BrainStuff http://www.howstuffworks.com How did instant cameras work? Why do feet stink? Join Marshall Brain as he breaks down the everyday science in the world around us in BrainStuff, a podcast by HowStuffWorks.com. en-us Copyright 2011 HowStuffWorks.com Wed, 16 May 2012 11:55:18 -0400 podcast@howstuffworks.com (BrainStuff) podcast@howstuffworks.com (BrainStuff) 60 Science & Medicine BrainStuff http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/brainstuff-logo.jpg http://www.howstuffworks.com podcast@howstuffworks.com HowStuffWorks.com HowStuffWorks.com no how stuff works, howstuffworks, how it works, brain stuff, brainstuff BrainStuff How did instant cameras work? Why do feet stink? Join Marshall Brain as he breaks down the everyday science in the world around us in BrainStuff, a podcast by HowStuffWorks.com. Why do feet stink? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-16-brainstuff-feet-sweat.mp3 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. Wed, 16 May 2012 11:54:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-16-brainstuff-feet-sweat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, feet, stink, foot odor, bacteria, smell 00:02:47 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. HowStuffWorks.com How do instant cameras work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-14-brainstuff-instant-film-audible.mp3 Instant cameras makes it possible to see a photograph almost immediately after you take it. But how? In this episode, Marshall explains the chemical processes behind regular and instant photographic film. Mon, 14 May 2012 12:06:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-14-brainstuff-instant-film-audible.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, instant film, photography, visual, chemical 00:07:57 Instant cameras makes it possible to see a photograph almost immediately after you take it. But how? In this episode, Marshall explains the chemical processes behind regular and instant photographic film. HowStuffWorks.com Why do eggs turn hard when you boil them? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-11-brainstuff-hard-boiled-eggs.mp3 Eggs are rich in protein, and this protein causes eggs to turn hard when they're boiled - but how does it actually work? Tune in as Marshall Brain breaks down the science behind hard-boiled eggs. Fri, 11 May 2012 16:24:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-11-brainstuff-hard-boiled-eggs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cooking, hardboiled egg, food, chemistry, cuisine 00:03:17 Eggs are rich in protein, and this protein causes eggs to turn hard when they're boiled - but how does it actually work? Tune in as Marshall Brain breaks down the science behind hard-boiled eggs. HowStuffWorks.com What is Schadenfreude? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-09-brainstuff-schadenfreude.mp3 Schadenfreude is a German word that means taking pleasure in someone else's pain. But it's not the same as sadism, as Marshall Brain explains in this episode. Tune in to learn more about this particularly German sensation. Wed, 09 May 2012 12:53:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-09-brainstuff-schadenfreude.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, schadenfreude, sadism, german, psychology, 00:03:33 Schadenfreude is a German word that means taking pleasure in someone else's pain. But it's not the same as sadism, as Marshall Brain explains in this episode. Tune in to learn more about this particularly German sensation. HowStuffWorks.com Can nasal sprays be addictive? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-07-brainstuff-nasal-sprays-audible.mp3 Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode. Mon, 07 May 2012 12:18:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-07-brainstuff-nasal-sprays-audible.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nasal spray, addiction, medicine, nasal, allergy 00:05:06 Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode. HowStuffWorks.com How does the snow dragon eat and digest snow? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-04-brainstuff-snow-dragon-eat-snow.mp3 For cities plagued by yearly snowstorms, a fleet of snow plows and salt often aren't enough to get rid of excess drifts. Luckily, there's another option: Snow dragons. These machines can melt snow on the spot -- but how do they work? Tune in to find out. Fri, 04 May 2012 14:47:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-04-brainstuff-snow-dragon-eat-snow.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, snow dragon, eat snow, technology 00:04:53 For cities plagued by yearly snowstorms, a fleet of snow plows and salt often aren't enough to get rid of excess drifts. Luckily, there's another option: Snow dragons. These machines can melt snow on the spot -- but how do they work? Tune in to find out. HowStuffWorks.com How does dry ice work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-02-brainstuff-dry-ice.mp3 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. Wed, 02 May 2012 11:40:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-02-brainstuff-dry-ice.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dry ice, chemistry, transportation 00:03:21 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What are chiggers, and how do they bite you? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-30-brainstuff-chiggers.mp3 If you go outdoors during the right time of year, you may be bitten by chiggers. But what are these creatures, and why do they attack unsuspecting humans? Listen in as Marshall Brain breaks down the life cycle of the chigger -- and how it can affect you. Mon, 30 Apr 2012 15:35:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-30-brainstuff-chiggers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, chigger, bug, insect, nature 00:03:52 If you go outdoors during the right time of year, you may be bitten by chiggers. But what are these creatures, and why do they attack unsuspecting humans? Listen in as Marshall Brain breaks down the life cycle of the chigger -- and how it can affect you. HowStuffWorks.com How do you add a USB device if you've run out of ports? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-27-brainstuff-usb-hubs-audible.mp3 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. Fri, 27 Apr 2012 12:06:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-27-brainstuff-usb-hubs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, usb hubs, usb, tech, computer 00:03:39 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. HowStuffWorks.com How does a credit card's magnetic stripe work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-25-brainstuff-magstripe.mp3 The magnetic stripe on the back of the card plays a key role in transactions made by credit card. Learn more about how these "mag stripes" work in this episode of BrainStuff. Wed, 25 Apr 2012 12:27:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-25-brainstuff-magstripe.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, mag stripe, magnetic stripe, credit card, 00:04:33 The magnetic stripe on the back of the card plays a key role in transactions made by credit card. Learn more about how these "mag stripes" work in this episode of BrainStuff. HowStuffWorks.com What is an autograph worth? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-23-brainstuff-autographs.mp3 An autograph is a famous person's signature, but what determines how valuable it is? Marshall Brain discusses the relative value of autographs -- and what you can do to increase the value of your own signature. Mon, 23 Apr 2012 12:53:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-23-brainstuff-autographs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, autograph, autographing, collection, celebrity 00:04:22 An autograph is a famous person's signature, but what determines how valuable it is? Marshall Brain discusses the relative value of autographs -- and what you can do to increase the value of your own signature. HowStuffWorks.com What are electrolytes? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-20-brainstuff-electrolytes.mp3 What are electrolytes, and why do athletes and sick kids need them? Marshall Brain explains how ions and electrolytes work in your body in this episode. Fri, 20 Apr 2012 12:14:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-20-brainstuff-electrolytes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, electrolytes, nutrition, biology, health 00:02:49 What are electrolytes, and why do athletes and sick kids need them? Marshall Brain explains how ions and electrolytes work in your body in this episode. HowStuffWorks.com What is Low-E glass? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-18-brainstuff-low-e-windows.mp3 Low-emissivity (Low-E) glass is a special, expensive type that blocks out ultraviolet and infrared light. This coated glass can help protect your furniture and improve the energy efficiency of your home, as Marshall Brain explains in this episode. Wed, 18 Apr 2012 11:21:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-18-brainstuff-low-e-windows.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, low-emissivity, low-e, glass, ultraviolet, infrared 00:06:08 Low-emissivity (Low-E) glass is a special, expensive type that blocks out ultraviolet and infrared light. This coated glass can help protect your furniture and improve the energy efficiency of your home, as Marshall Brain explains in this episode. HowStuffWorks.com How do self-winding watches work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-16-brainstuff-self-winding-watch.mp3 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. Mon, 16 Apr 2012 16:31:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-16-brainstuff-self-winding-watch.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, self-winding watch, watch, time table, time keeping 00:01:50 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do most zippers say 'YKK' on the pull-tab? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-13-brainstuff-ykk.mp3 Have you ever wondered why zippers often have the letters 'YKK' etched into them? Learn more about the Japanese company behind the tiny letters -- and the zippers -- in this episode. Fri, 13 Apr 2012 15:49:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-13-brainstuff-ykk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, ykk, zipper, zippers, manufacturing 00:02:16 Have you ever wondered why zippers often have the letters 'YKK' etched into them? Learn more about the Japanese company behind the tiny letters -- and the zippers -- in this episode. HowStuffWorks.com Anti-reflective Coatings http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-11-brainstuff-anti-reflective-coating.mp3 Anti-reflective coatings are used to eliminate any light reflective off the back of the lenses. Learn about anti-reflective coatings in this BrainStuff episode. Wed, 11 Apr 2012 11:50:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-11-brainstuff-anti-reflective-coating.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, anti-reflective coating, glasses, light, engineering, backglare 00:03:53 Anti-reflective coatings are used to eliminate any light reflective off the back of the lenses. Learn about anti-reflective coatings in this BrainStuff episode. HowStuffWorks.com How much coal does a light bulb need to run for a year? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-09-brainstuff-coal-bulb.mp3 How much coal do you need to run a 100-watt light bulb 24 hours a day for a year? The answer might surprised. Tune in and find out in this episode of BrainStuff. Mon, 09 Apr 2012 11:05:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-09-brainstuff-coal-bulb.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, coal, energy, power, electricity, light 00:03:11 How much coal do you need to run a 100-watt light bulb 24 hours a day for a year? The answer might surprised. Tune in and find out in this episode of BrainStuff. HowStuffWorks.com What is mayonnaise? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-06-brainstuff-mayo.mp3 Mayo is an emulsion - a mixture of two liquids that normally can't be combined. So how do these ingredients come together? Tune in to learn how oil, egg yolks and acid combine to form one of the world's most popular condiments. Fri, 06 Apr 2012 12:16:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-06-brainstuff-mayo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, mayo, mayonnaise, condiment, cooking, emulsion 00:05:19 Mayo is an emulsion - a mixture of two liquids that normally can't be combined. So how do these ingredients come together? Tune in to learn how oil, egg yolks and acid combine to form one of the world's most popular condiments. HowStuffWorks.com Is there an easy way to understand how time zones work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-04-brainstuff-time-zones.mp3 There are 24 different time zones -- but why do we have them? In this podcast, Marshall recounts how society evolved time zones, and also gives you an easy way to model the structure of time zones across the globe. Wed, 04 Apr 2012 11:19:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-04-brainstuff-time-zones.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, time zone, new year, date line, woodrow, railroad 00:05:37 There are 24 different time zones -- but why do we have them? In this podcast, Marshall recounts how society evolved time zones, and also gives you an easy way to model the structure of time zones across the globe. HowStuffWorks.com Where does aluminum come from? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-02-brainstuff-aluminum.mp3 Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where does it come from, and what makes it so special? Tune in to learn more. Mon, 02 Apr 2012 12:07:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-04-02-brainstuff-aluminum.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, aluminum, engineering, fabrication, industry, material science 00:05:03 Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where does it come from, and what makes it so special? Tune in to learn more. HowStuffWorks.com Will space tourism become a reality? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-30-brainstuff-space-tourism.mp3 With private companies frantically searching for new ways to take people into orbit, it seems that space tourism could become a reality (for those who can afford it). But will it ever really happen? Tune in and learn more in this podcast. Fri, 30 Mar 2012 11:48:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-30-brainstuff-space-tourism.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space tourism, privatized space, space exploration, astronaut 00:05:28 With private companies frantically searching for new ways to take people into orbit, it seems that space tourism could become a reality (for those who can afford it). But will it ever really happen? Tune in and learn more in this podcast. HowStuffWorks.com What is a restraining order, and how do you get one? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-28-brainstuff-restraining-order.mp3 Restraining orders are cropping up in the news more and more frequently, but how do they work? Join Marshall Brain as he breaks down the legality of restraining orders -- and how to get one. Wed, 28 Mar 2012 12:04:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-28-brainstuff-restraining-order.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, restraining order, legal, law, stalking 00:04:45 Restraining orders are cropping up in the news more and more frequently, but how do they work? Join Marshall Brain as he breaks down the legality of restraining orders -- and how to get one. HowStuffWorks.com How does someone become a saint? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-26-brainstuff-saints.mp3 Many religions bestow a special status on people who demonstrate a life of almost perfect virtue -- but how does canonization actually occur? In this episode, Marshall breaks down the process used to officially recognize a person as a saint. Mon, 26 Mar 2012 15:46:01 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-26-brainstuff-saints.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, saint, sainthood, beautification, catholicism, religion, culture 00:05:29 Many religions bestow a special status on people who demonstrate a life of almost perfect virtue -- but how does canonization actually occur? In this episode, Marshall breaks down the process used to officially recognize a person as a saint. HowStuffWorks.com How Proton Therapy Works http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-23-brainstuff-proton-therapy.mp3 As a method of treating cancer, proton therapy has great potential. But how does it work, exactly, and what makes it superior to other forms of cancer treatment? Tune in and find out. Fri, 23 Mar 2012 12:38:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-23-brainstuff-proton-therapy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, proton therapy, medicine, 00:05:36 As a method of treating cancer, proton therapy has great potential. But how does it work, exactly, and what makes it superior to other forms of cancer treatment? Tune in and find out. HowStuffWorks.com What is the worst invasive public species? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-21-brainstuff-invasive-species.mp3 From kudzu to cane toads, invasive species are changing the world. But which of these transplants is the worst for the local landscape? Tune in as Marshall Brain tackles invasive species across the world -- and ultimately concludes which one is the worst. Wed, 21 Mar 2012 13:14:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-21-brainstuff-invasive-species.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, invasive species, ecology, cane toad, kudzu 00:05:09 From kudzu to cane toads, invasive species are changing the world. But which of these transplants is the worst for the local landscape? Tune in as Marshall Brain tackles invasive species across the world -- and ultimately concludes which one is the worst. HowStuffWorks.com Can picking a movie theater get any more complicated? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-19-brainstuff-movie-theaters.mp3 With all the recent technological breakthroughs, choosing the right movie theatre has become increasingly complex. Why? Listen in as Marshall breaks down the different sound and video technologies available in modern movie theaters. Mon, 19 Mar 2012 11:48:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-19-brainstuff-movie-theaters.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, movies, film, movie theater, sit in a movie theater 00:04:14 With all the recent technological breakthroughs, choosing the right movie theatre has become increasingly complex. Why? Listen in as Marshall breaks down the different sound and video technologies available in modern movie theaters. HowStuffWorks.com How does emergency preparedness work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-16-brainstuff-emergency-preparedness.mp3 In moments, a natural disaster can level cities, kill thousands and force survivors to scavenge through the rubble for supplies. In this podcast, Marshall discusses the importance of preparedness and the types of supplies you may need in an emergency. Fri, 16 Mar 2012 10:46:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-16-brainstuff-emergency-preparedness.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, emergency, emergency preparedness, disasters, supplies 00:04:47 In moments, a natural disaster can level cities, kill thousands and force survivors to scavenge through the rubble for supplies. In this podcast, Marshall discusses the importance of preparedness and the types of supplies you may need in an emergency. HowStuffWorks.com How do strokes work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-14-brainstuff-stroke.mp3 In a stroke, something disrupts the normal blood supply to parts of the brain. Without oxygen, affected brain cells will begin to die. Tune in as Marshall explains the causes of -- and treatments for -- strokes. Wed, 14 Mar 2012 13:12:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-14-brainstuff-stroke.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, stroke 00:04:39 In a stroke, something disrupts the normal blood supply to parts of the brain. Without oxygen, affected brain cells will begin to die. Tune in as Marshall explains the causes of -- and treatments for -- strokes. HowStuffWorks.com How can a valet rip you off? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-12-brainstuff-valet-scam.mp3 Once relegated to high-end restaurants and clubs, valets are increasingly common across the United States. But how can you trust your valet -- and how will you know if the valet is scamming you? Tune in and find out. Mon, 12 Mar 2012 08:51:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-12-brainstuff-valet-scam.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, valet, restaurant, scam, parking 00:05:24 Once relegated to high-end restaurants and clubs, valets are increasingly common across the United States. But how can you trust your valet -- and how will you know if the valet is scamming you? Tune in and find out. HowStuffWorks.com Semi Submarines http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-09-brainstuff-semi-submarine.mp3 There's a reason that most submarines are owned by governments - they're incredibly expensive. So what's a sub-loving consumer to do? Tune in as Marshall Brain breaks down the science behind semi subs (and why it makes them so much less expensive). Fri, 09 Mar 2012 13:43:19 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-09-brainstuff-semi-submarine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, submarines, semi submarines, subs 00:05:30 There's a reason that most submarines are owned by governments - they're incredibly expensive. So what's a sub-loving consumer to do? Tune in as Marshall Brain breaks down the science behind semi subs (and why it makes them so much less expensive). HowStuffWorks.com How does a pressurized airplane cabin work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-07-brainstuff-airplane-cabin.mp3 How does a pressurized airplane cabin work -- more importantly, what happens when the pressure fails? Join Marshall Brain as he breaks down the science behind cabin pressurization. Wed, 07 Mar 2012 11:23:56 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-07-brainstuff-airplane-cabin.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, airplanes, airplane cabin, pressure, pressurization 00:05:41 How does a pressurized airplane cabin work -- more importantly, what happens when the pressure fails? Join Marshall Brain as he breaks down the science behind cabin pressurization. HowStuffWorks.com Can people really build missiles from scratch? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-05-brainstuff-salt-missile.mp3 In the film Salt, Angelina Jolie's character creates a missile from handy household ingredients -- but could this happen in real life? Tune in as Marshall breaks down the science behind improvised explosives. Mon, 05 Mar 2012 13:29:53 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-05-brainstuff-salt-missile.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, salt missile, chemistry 00:05:37 In the film Salt, Angelina Jolie's character creates a missile from handy household ingredients -- but could this happen in real life? Tune in as Marshall breaks down the science behind improvised explosives. HowStuffWorks.com How do artificial sweeteners work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-02-brainstuff-artificial-sweeteners-audible.mp3 At many restaurants, a little container on the table will have regular sugar in addition to artificial sweeteners. But what exactly are artificial sweeteners, and how do they differ in comparison to regular sugar? Listen in to find out. Fri, 02 Mar 2012 12:44:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-03-02-brainstuff-artificial-sweeteners-audible.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, artificial sweeteners, nutrition 00:08:53 At many restaurants, a little container on the table will have regular sugar in addition to artificial sweeteners. But what exactly are artificial sweeteners, and how do they differ in comparison to regular sugar? Listen in to find out. HowStuffWorks.com Is it possible to turn coal into oil? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-29-brainstuff-oil-from-coal.mp3 As the demand for dwindling oil supplies rises, scientists across the world search for new ways to generate energy. In this episode, Marshall looks at a new attempt to stave off the looming fossil fuel crisis: Turning coal into oil. Tune in to learn more. Wed, 29 Feb 2012 13:18:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-29-brainstuff-oil-from-coal.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, coal, oil, petroleum, energy crisis, peak oil 00:05:42 As the demand for dwindling oil supplies rises, scientists across the world search for new ways to generate energy. In this episode, Marshall looks at a new attempt to stave off the looming fossil fuel crisis: Turning coal into oil. Tune in to learn more. HowStuffWorks.com Why do 3D movies cause headaches? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-27-brainstuff-3d-headache.mp3 Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films. Mon, 27 Feb 2012 13:31:03 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-27-brainstuff-3d-headache.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 3d movies, 3d, tech, entertainment 00:03:58 Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films. HowStuffWorks.com Why do human beings have eyebrows? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-24-brainstuff-eyebrows.mp3 Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode. Fri, 24 Feb 2012 11:22:39 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-24-brainstuff-eyebrows.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why do we have eyebrows, eyebrows, eyelashes 00:02:29 Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode. HowStuffWorks.com How do thirty pounds of air in your tires hold up two tons of car? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-22-brainstuff-tire-pressure.mp3 Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode. Wed, 22 Feb 2012 14:31:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-22-brainstuff-tire-pressure.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, tire pressure, cars, auto 00:03:08 Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode. HowStuffWorks.com Do you have a hidden savant inside your brain? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-20-brainstuff-hidden-savant.mp3 Savant capabilities seem extraordinary, but what if they aren't? What if we all have amazing talents embedded in our brains? In this episode, Marshall discusses different techniques that have revealed savant-like qualities in ordinary people. Mon, 20 Feb 2012 10:53:22 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-20-brainstuff-hidden-savant.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, savant, brain, neurobiology, thought 00:05:08 avant capabilities seem extraordinary, but what if they aren't? What if we all have amazing talents embedded in our brains? In this episode, Marshall discusses different techniques that have revealed savant-like qualities in ordinary people. HowStuffWorks.com What is superconductivity? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-15-brainstuff-suprconductors.mp3 Superconductive materials have no electrical resistance, but why is superconductivity a big deal? Marshall Brain explains the potential benefits and implications of superconductive materials, as well as how they work, in this episode. Wed, 15 Feb 2012 14:21:14 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-15-brainstuff-suprconductors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, superconductivity, superconductors, electrical resistance, electrons, superconducting materials 00:05:19 Superconductive materials have no electrical resistance, but why is superconductivity a big deal? Marshall Brain explains the potential benefits and implications of superconductive materials, as well as how they work, in this episode. HowStuffWorks.com What is a digital signature? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-13-brainstuff-digital-signature.mp3 A digital signature is a way to authenticate electronic documents. Find out what 'authentic' means in this context -- and how encryption is involved in the authentication process -- in this episode. Mon, 13 Feb 2012 12:48:31 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-13-brainstuff-digital-signature.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, digital signature, authentication, encryption, checksum, digital certificates 00:05:12 A digital signature is a way to authenticate electronic documents. Find out what 'authentic' means in this context -- and how encryption is involved in the authentication process -- in this episode. HowStuffWorks.com When you have an itch, what's happening under your skin? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-10-brainstuff-itching.mp3 Skin covers our bodies, so it's very easy for this delicate organ to get irritated. In this episode, Marshall explains why our bodies respond to irritants with an itching sensation -- and why we're programmed to scratch. Thu, 09 Feb 2012 09:25:45 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-10-brainstuff-itching.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, itching, itch 00:03:18 Skin covers our bodies, so it's very easy for this delicate organ to get irritated. In this episode, Marshall explains why our bodies respond to irritants with an itching sensation -- and why we're programmed to scratch. HowStuffWorks.com Why can biting on aluminum foil be painful? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-08-brainstuff-aluminum-foil-teeth.mp3 When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Marshall Brain explains how the voltaic effect plays out in your mouth in this episode. Wed, 08 Feb 2012 11:36:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-08-brainstuff-aluminum-foil-teeth.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, aluminum, aluminum foil, fillings, teeth 00:02:32 When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Marshall Brain explains how the voltaic effect plays out in your mouth in this episode. HowStuffWorks.com Why is a popsicle called a quiescently frozen confection? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-06-brainstuff-popsicle.mp3 Popsicles are also called "quiescently frozen confections" because of the way they're frozen. Learn more about how flavored ice treats are made -- and what distinguishes them from ice cream -- in this episode. Mon, 06 Feb 2012 14:12:53 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-06-brainstuff-popsicle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, popsicle, quiescently frozen confection, overrunning, ice cream 00:02:29 Popsicles are also called "quiescently frozen confections" because of the way they're frozen. Learn more about how flavored ice treats are made -- and what distinguishes them from ice cream -- in this episode. HowStuffWorks.com How do people pull large objects with their teeth? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-03-brainstuff-teeth-pull.mp3 Have you ever seen those folks that can pull a whole truck with their teeth? Tune in as Marshall Brain explains the physics behind pulling large objects with your teeth in this episode. Fri, 03 Feb 2012 14:47:59 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-03-brainstuff-teeth-pull.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, teeth pulling, jaw muscle, stunts, performance 00:04:17 Have you ever seen those folks that can pull a whole truck with their teeth? Tune in as Marshall Brain explains the physics behind pulling large objects with your teeth in this episode. HowStuffWorks.com How do polymer crystals work, and why do they absorb so much water? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-02-01-brainstuff-polymer-crystals.mp3 Polymer crystals are extremely absorbent, and that's why you'll often find them in disposable diapers. Marshall explains how polymer crystals are able to absorb large quantities of liquids -- and keep you cool and dry -- in this episode. Wed, 01 Feb 2012 13:19:19 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-18-brainstuff-blood-types.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, polymer crystal, chemistry, science 00:02:33 Polymer crystals are extremely absorbent, and that's why you'll often find them in disposable diapers. Marshall explains how polymer crystals are able to absorb large quantities of liquids -- and keep you cool and dry -- in this episode. HowStuffWorks.com To maximize happiness, what should you spend money on? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-30-brainstuff-buying-happiness.mp3 They say that money can't buy happiness, but it can definitely contribute to your well-being. So what exactly should you spend your money on to maximize your happiness? Stuff? Experiences? Marshall Brain investigates in this episode. Mon, 30 Jan 2012 14:50:03 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-30-brainstuff-buying-happiness.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, money, happiness, wealth, success 00:04:47 They say that money can't buy happiness, but it can definitely contribute to your well-being. So what exactly should you spend your money on to maximize your happiness? Stuff? Experiences? Marshall Brain investigates in this episode. HowStuffWorks.com How does WikiLeaks work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-27-brainstuff-wikileaks.mp3 WikiLeaks is a controversial "not-for-profit media organization" that disseminates secret, leaked information to the public. But how exactly does this group work? And why does it exist? Marshall Brain takes a look at WikiLeaks in this episode. Fri, 27 Jan 2012 12:30:09 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-27-brainstuff-wikileaks.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, WikiLeaks, Julian Assange 00:04:46 WikiLeaks is a controversial "not-for-profit media organization" that disseminates secret, leaked information to the public. But how exactly does this group work? And why does it exist? Marshall Brain takes a look at WikiLeaks in this episode. HowStuffWorks.com Why is organic food more expensive than regular food? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-25-brainstuff-organic-food-prices.mp3 You've probably noticed that organic foods cost significantly more than non-organic ones, but have you ever wondered why? In this episode, Marshall Brain explains how higher production costs and other factors lead to higher prices in the grocery store. Wed, 25 Jan 2012 11:53:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-25-brainstuff-organic-food-prices.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, organic food, diet, nutrition, groceries 00:05:28 You've probably noticed that organic foods cost significantly more than non-organic ones, but have you ever wondered why? In this episode, Marshall Brain explains how higher production costs and other factors lead to higher prices in the grocery store. HowStuffWorks.com How can water cut through steel? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-23-brainstuff-waterjet.mp3 Waterjets are tools that use highly pressurized, focused streams of water to cut through metal and other solid materials. Learn more about waterjets in this episode. Mon, 23 Jan 2012 13:17:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-23-brainstuff-waterjet.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, waterjet, cutting steel with water 00:03:28 Waterjets are tools that use highly pressurized, focused streams of water to cut through metal and other solid materials. Learn more about waterjets in this episode. HowStuffWorks.com How valuable is exercise to your health? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-20-brainstuff-exercise-valuable.mp3 We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits. Fri, 20 Jan 2012 14:54:05 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-20-brainstuff-exercise-valuable.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, health benefits of exercise, exercise valuable 00:03:25 We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits. HowStuffWorks.com Are all blood types needed for donation? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-18-brainstuff-blood-types.mp3 In this episode, Marshall explains how proteins determine your blood type -- and why blood types must match for blood transfusions to be successful. Wed, 18 Jan 2012 11:34:57 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-18-brainstuff-blood-types.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, blood types, transfusion, donation, plasma 00:04:45 In this episode, Marshall explains how proteins determine your blood type -- and why blood types must match for blood transfusions to be successful. HowStuffWorks.com What is an IP address? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-16-brainstuff-ip-addresses.mp3 Every computer that's connected to the Internet has its own unique "address." Tune in as Marshall explains how IP addresses work ( and how many of them exist) in this episode. Mon, 16 Jan 2012 09:01:54 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-16-brainstuff-ip-addresses.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, ip address, internet, online, routing, web 00:03:11 Every computer that's connected to the Internet has its own unique "address." Tune in as Marshall explains how IP addresses work ( and how many of them exist) in this episode. HowStuffWorks.com Why can you hear the ocean in a seashell? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-13-brainstuff-seashell-sound.mp3 There are various theories about why you can hear ocean-like sounds when you hold a seashell up to your ear. Marshall Brain explains what you're probably hearing in that seashell -- and why you don't need a shell to hear it -- in this episode. Fri, 13 Jan 2012 12:14:39 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-13-brainstuff-seashell-sound.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hear the ocean in a seashell, seashell 00:02:56 There are various theories about why you can hear ocean-like sounds when you hold a seashell up to your ear. Marshall Brain explains what you're probably hearing in that seashell -- and why you don't need a shell to hear it -- in this episode. HowStuffWorks.com Why shouldn't you go swimming right after a meal? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-11-brainstuff-swim-eat.mp3 As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat. Wed, 11 Jan 2012 13:57:55 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-11-brainstuff-swim-eat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, swimming, digestion, energy, anatomy, food 00:03:43 As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat. HowStuffWorks.com How can I recover a deleted file from my computer? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-09-brainstuff-delete-file.mp3 In many cases, it's possible to recover files that have been deleted by using your computer's Recycle Bin. Marshall Brain reveals ways to recover deleted files -- and how to erase them permanently -- in this episode. Mon, 09 Jan 2012 13:46:21 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-09-brainstuff-delete-file.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, deleting files, memory, hard drive, recovery 00:03:37 In many cases, it's possible to recover files that have been deleted by using your computer's Recycle Bin. Marshall Brain reveals ways to recover deleted files -- and how to erase them permanently -- in this episode. HowStuffWorks.com How can we eliminate fossil fuels? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-06-brainstuff-diy-biofuels.mp3 It's no secret that fossil fuels have a detrimental effect on the environment, but do feasible alternatives exist? In this episode, Marshall takes a look at the possibilities of DIY biofuel. Fri, 06 Jan 2012 11:32:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-06-brainstuff-diy-biofuels.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, biofuel, fossil fuel, petroleum, alternative energy, 00:08:21 It's no secret that fossil fuels have a detrimental effect on the environment, but do feasible alternatives exist? In this episode, Marshall takes a look at the possibilities of DIY biofuel. HowStuffWorks.com Why do batteries die but then come back to life? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-04-brainstuff-dead-battery.mp3 Batteries -- particularly car batteries -- seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. Wed, 04 Jan 2012 13:08:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-04-brainstuff-dead-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, battery, car battery, battery life 00:02:56 Batteries -- particularly car batteries -- seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. HowStuffWorks.com What are other ways to store energy besides batteries? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-02-brainstuff-storing-energy.mp3 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. Mon, 02 Jan 2012 09:27:11 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-02-brainstuff-storing-energy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, storing energy, batteries, falling weight, fuel cells, antimatter 00:04:23 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. HowStuffWorks.com How does fusion power work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-30-brainstuff-fusion-power.mp3 Fusion reactors like the sun produce huge amounts of energy, so why aren't there fusion power plants everywhere? In this episode, Marshall explains the chemistry of fusion reactions and discusses how close fusion is to becoming a viable energy source. Fri, 30 Dec 2011 09:36:17 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-30-brainstuff-fusion-power.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fusion, nuclear power, fusion reactor 00:05:25 Fusion reactors like the sun produce huge amounts of energy, so why aren't there fusion power plants everywhere? In this episode, Marshall explains the chemistry of fusion reactions and discusses how close fusion is to becoming a viable energy source. HowStuffWorks.com Japan's Nuclear Problem http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-28-brainstuff-japan-nuclear-problem.mp3 When the recent earthquake hit Japan, it seemed the country had withstood the worst of the blast -- until explosions occurred at a nuclear power plant. Is another disaster on the way? Tune in as Marshall explains the state of Japan's nuclear power plants. Wed, 28 Dec 2011 13:17:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-28-brainstuff-japan-nuclear-problem.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, japan, earthquake, nuclear power plant 00:10:32 When the recent earthquake hit Japan, it seemed the country had withstood the worst of the blast -- until explosions occurred at a nuclear power plant. Is another disaster on the way? Tune in as Marshall explains the state of Japan's nuclear power plants. HowStuffWorks.com How High-level Nuclear Waste Works http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-26-brainstuff-high-level-nuclear-waste.mp3 What exactly is high-level nuclear waste, and how are we dealing with it today? In this episode, Marshall breaks down the techniques used to store high-level nuclear waste. Mon, 26 Dec 2011 11:47:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-26-brainstuff-high-level-nuclear-waste.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nuclear waste, radiation, nuclear power 00:05:01 What exactly is high-level nuclear waste, and how are we dealing with it today? In this episode, Marshall breaks down the techniques used to store high-level nuclear waste. HowStuffWorks.com What does a gigabyte of internet access really cost? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-23-brainstuff-internet-bandwidth-cost.mp3 Internet service providers often tangle with customers who claim they're being ripped off -- but how much does a gigabyte of access actually cost? Join Marshall Brain as he breaks down the real cost of a gigabyte's worth of internet access. Thu, 22 Dec 2011 22:50:04 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-23-brainstuff-internet-bandwidth-cost.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, bandwidth cost, internet, gigabyte, data, 00:09:04 Internet service providers often tangle with customers who claim they're being ripped off -- but how much does a gigabyte of access actually cost? Join Marshall Brain as he breaks down the real cost of a gigabyte's worth of internet access. HowStuffWorks.com Which 4G services are available in the U.S. today? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-21-brainstuff-4g-phone-systems-us.mp3 If you have a smart phone, you may be interested in 4G service for the data you receive. But which services are available, and which one will suit your needs? Listen in as Marshall Brain breaks down the differences between 4G services. Wed, 21 Dec 2011 10:20:07 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-21-brainstuff-4g-phone-systems-us.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, 4g, smart phone, iphone, cell, android 00:02:49 If you have a smart phone, you may be interested in 4G service for the data you receive. But which services are available, and which one will suit your needs? Listen in as Marshall Brain breaks down the differences between 4G services. HowStuffWorks.com Why is a cell phone called a cell phone? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-19-brainstuff-cell-phones.mp3 Cellular phone systems divide areas of coverage into "cells," hence the name. But how do they actually work? Listen in as Marshall Brain breaks down the nuts and bolts of cell phone systems in this episode. Mon, 19 Dec 2011 14:53:54 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-19-brainstuff-cell-phones.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cell phones, mobile telephone switching office 00:05:12 Cellular phone systems divide areas of coverage into "cells," hence the name. But how do they actually work? Listen in as Marshall Brain breaks down the nuts and bolts of cell phone systems in this episode. HowStuffWorks.com What does a modern smart house look like? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-16-brainstuff-smart-house.mp3 What makes a "smart" house so smart? These high-tech houses intelligently use resources and are responsive to the needs and habits of their occupants. Tune in to learn more. Fri, 16 Dec 2011 12:44:46 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-16-brainstuff-smart-house.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, smart houses, smart systems, green houses, resources 00:05:13 What makes a "smart" house so smart? These high-tech houses intelligently use resources and are responsive to the needs and habits of their occupants. Tune in to learn more. HowStuffWorks.com How does the oxygen sensor in a car work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-14-brainstuff-oxygen-sensor.mp3 All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. Wed, 14 Dec 2011 11:00:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-14-brainstuff-oxygen-sensor.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, oxygen sensor, automobiles, cars 00:02:29 All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do motion sensors work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-12-brainstuff-motion-sensors.mp3 There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. Mon, 12 Dec 2011 15:52:46 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-12-brainstuff-motion-sensors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, motion sensors, alarm, security, 00:02:39 There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a speedometer in an airplane work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-09-brainstuff-air-speed.mp3 Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft. Fri, 09 Dec 2011 15:48:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-09-brainstuff-air-speed.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, marshall, air speed, airplane, speedometer, aircraft 00:04:02 Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft. HowStuffWorks.com Why does lettuce stored in a bag stay fresh longer? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-07-brainstuff-map.mp3 Many foods you'll find at the grocery store -- like lettuce, for example -- are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is, and how it keeps food fresh longer, in this episode of BrainStuff. Wed, 07 Dec 2011 13:14:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-07-brainstuff-map.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, map, lettuce, stay fresh, packaging 00:02:21 Many foods you'll find at the grocery store -- like lettuce, for example -- are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is, and how it keeps food fresh longer, in this episode of BrainStuff. HowStuffWorks.com How do we measure sea level? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-05-brainstuff-sea-level-audible.mp3 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. Mon, 05 Dec 2011 13:49:25 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-05-brainstuff-sea-level-audible.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, sea level, measuring the ocean 00:05:00 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. HowStuffWorks.com Why can I play some DVDs, but not others? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-02-brainstuff-dvd-regions.mp3 Film studios use regional code protection in DVD technology to protect content and to control worldwide release dates. Tune as Marshall Brain breaks down the concept of region codes in this podcast. Fri, 02 Dec 2011 11:21:31 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-12-02-brainstuff-dvd-regions.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, marshall, dvd, region, electronics, dvd player 00:02:19 Film studios use regional code protection in DVD technology to protect content and to control worldwide release dates. Tune as Marshall Brain breaks down the concept of region codes in this podcast. HowStuffWorks.com How do CD-R discs work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-30-brainstuff-cd-r-disk-audible.mp3 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. Wed, 30 Nov 2011 14:41:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-30-brainstuff-cd-r-disk-audible.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, cd, cd-r, cd-rw, disc, recording 00:03:24 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. HowStuffWorks.com Is the sound on vinyl records better than on CDs? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-28-brainstuff-cd-vs-vinyl.mp3 The sound quality of vinyl records is sometimes better than that of CDs and DVDs -- and sometimes worse. Learn more about the difference between the sound quality of records, CDs and DVDs in this episode. Mon, 28 Nov 2011 12:09:55 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-28-brainstuff-cd-vs-vinyl.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, vinyl records vs cds, analog, digital 00:03:03 The sound quality of vinyl records is sometimes better than that of CDs and DVDs -- and sometimes worse. Learn more about the difference between the sound quality of records, CDs and DVDs in this episode. HowStuffWorks.com Why is cotton more absorbent than nylon? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-25-brainstuff-cotton-nylon.mp3 When water comes in contact with the complex molecules that make up cotton and nylon, it causes a different action in each material -- but why? Listen in as Marshall Brain breaks down the science behind water absorption in this podcast. Fri, 25 Nov 2011 17:46:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-25-brainstuff-cotton-nylon.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, cotton, nylon, fabric, chemistry 00:03:29 When water comes in contact with the complex molecules that make up cotton and nylon, it causes a different action in each material -- but why? Listen in as Marshall Brain breaks down the science behind water absorption in this podcast. HowStuffWorks.com Where does cork come from? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-23-brainstuff-cork.mp3 Most cork comes from special trees that grow in places near the Mediterranean Sea. Learn more about cork oak trees, cork properties, cork products and cork processing in this episode. Wed, 23 Nov 2011 11:12:53 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-23-brainstuff-cork.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, cork, trees, wood 00:03:30 Most cork comes from special trees that grow in places near the Mediterranean Sea. Learn more about cork oak trees, cork properties, cork products and cork processing in this episode. HowStuffWorks.com What is the difference between hardwood and softwood? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-21-brainstuff-hardwood-vs-softwood.mp3 When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode. Mon, 21 Nov 2011 14:21:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-21-brainstuff-hardwood-vs-softwood.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hardwood, softwood, timber, wood 00:02:41 When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode. HowStuffWorks.com What does Pez mean? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-18-brainstuff-pez.mp3 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. Fri, 18 Nov 2011 12:02:16 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-18-brainstuff-pez.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, pez, candy, smoking, invention 00:03:11 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. HowStuffWorks.com Is chocolate poisonous to dogs? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-16-brainstuff-chocolate-poisoning.mp3 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs (and how much is too much) in this podcast from HowStuffWorks.com. Wed, 16 Nov 2011 14:35:58 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-16-brainstuff-chocolate-poisoning.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, chocolate, poisoning, chocolate and pets 00:02:20 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs (and how much is too much) in this podcast from HowStuffWorks.com. HowStuffWorks.com How can there be seedless grapes? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-14-brainstuff-seedless-grapes.mp3 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. Mon, 14 Nov 2011 15:02:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-14-brainstuff-seedless-grapes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, seedless grapes, grape vine cuttings, white Thompson's seedless grapes 00:01:51 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Why doesn't gasoline burn cleanly? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-11-brainstuff-gas-pollution.mp3 Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas. Fri, 11 Nov 2011 12:30:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-11-brainstuff-gas-pollution.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, gas pollution, fuel, gasoline 00:02:32 Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas. HowStuffWorks.com How does an oxygen canister on an airplane work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-09-brainstuff-oxygen-canister.mp3 When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. Wed, 09 Nov 2011 14:19:01 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-09-brainstuff-oxygen-canister.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, oxygen canister, chemical, storage 00:02:30 When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. HowStuffWorks.com How does nitrous oxide help an engine perform better? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-07-brainstuff-nitrous.mp3 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. Mon, 07 Nov 2011 13:44:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-07-brainstuff-nitrous.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nitrous oxide, engine, racing, auto, car 00:02:06 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do batteries die but then come back to life? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-04-brainstuff-dead-battery.mp3 Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. Fri, 04 Nov 2011 10:40:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-01-04-brainstuff-dead-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, batteries die then come back to life, self-recharging batteries 00:02:56 Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. HowStuffWorks.com Why does your computer need a battery? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-02-brainstuff-computer-battery.mp3 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. Wed, 02 Nov 2011 11:18:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-11-02-brainstuff-computer-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, computer battery, electronics 00:02:40 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. HowStuffWorks.com How did the moon get there? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-31-brainstuff-how-did-moon-get-there.mp3 The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon. Mon, 31 Oct 2011 11:57:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-31-brainstuff-how-did-moon-get-there.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, moon, astronomy, lunar origin, space, orbit 00:05:41 The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon. HowStuffWorks.com How many calories does a person need daily? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-28-brainstuff-calories.mp3 The amount of calories a person needs to consume on a daily basis varies by individual. Discover the three factors that can help you determine your daily caloric needs in this episode of BrainStuff. Fri, 28 Oct 2011 13:24:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-28-brainstuff-calories.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, calories, caloric intake, nutrition 00:03:33 The amount of calories a person needs to consume on a daily basis varies by individual. Discover the three factors that can help you determine your daily caloric needs in this episode of BrainStuff. HowStuffWorks.com What is the battery light on your car's dashboard for? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-26-brainstuff-battery-light.mp3 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. Wed, 26 Oct 2011 11:44:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-26-brainstuff-battery-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, car battery, warning lights, dashboard, auto 00:02:19 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. HowStuffWorks.com How do self-driving cars work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-24-brainstuff-self-driving-cars.mp3 Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars. Mon, 24 Oct 2011 12:43:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-24-brainstuff-self-driving-cars.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, self-driving car, automonous vehicle, google car 00:06:08 Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars. HowStuffWorks.com How do photochromatic lenses work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-21-brainstuff-tranisition-lenses.mp3 Photochromatic lenses darken when exposed to the sun. Discover where these lenses came from, how they work and why they're commonly referred to as "transition" lenses in this episode of BrainStuff. Fri, 21 Oct 2011 13:03:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-21-brainstuff-tranisition-lenses.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, transition lenses, photochromatic 00:03:37 Photochromatic lenses darken when exposed to the sun. Discover where these lenses came from, how they work and why they're commonly referred to as "transition" lenses in this episode of BrainStuff. HowStuffWorks.com Why does the moon look bigger when it's near the horizon? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-19-brainstuff-moon-illusion.mp3 When the moon is near the horizon, it appears to be much bigger than when it's high in the sky. But is it really larger? Tune in to find out. Wed, 19 Oct 2011 15:13:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-19-brainstuff-moon-illusion.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, moon, illusion, perception, astronomy 00:03:10 When the moon is near the horizon, it appears to be much bigger than when it's high in the sky. But is it really larger? Tune in to find out. HowStuffWorks.com How do the Northern Lights work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-17-brainstuff-northern-lights.mp3 The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode. Mon, 17 Oct 2011 12:17:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-17-brainstuff-northern-lights.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, aurora borealis, northern lights 00:03:08 The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode. HowStuffWorks.com What does "not guilty by reason of insanity" mean? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-14-brainstuff-insanity-plea.mp3 Claiming the "insanity defense" in fictional courts of law is common and seems pretty straightforward; in real life, it's much more rare and complex. Discover the legal definition of "insanity" -- and how it relates to mental illness -- in this episode. Fri, 14 Oct 2011 13:20:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-14-brainstuff-insanity-plea.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, insanity plea, legal, court, trial, 00:05:14 Claiming the "insanity defense" in fictional courts of law is common and seems pretty straightforward; in real life, it's much more rare and complex. Discover the legal definition of "insanity" -- and how it relates to mental illness -- in this episode. HowStuffWorks.com What constitutes a person's IQ? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-12-brainstuff-iq.mp3 Your IQ, or intelligence quotient, is a reflection of how well you perform on a specific test that measures cognitive abilities. Learn more about IQ tests in this episode. Wed, 12 Oct 2011 13:17:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-12-brainstuff-iq.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, intelligence quotient, bidet, iq test 00:05:44 Your IQ, or intelligence quotient, is a reflection of how well you perform on a specific test that measures cognitive abilities. Learn more about IQ tests in this episode. HowStuffWorks.com How the Nobel Prize Works http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-10-brainstuff-nobel-prize.mp3 Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff. Mon, 10 Oct 2011 14:53:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-10-brainstuff-nobel-prize.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nobel prize, philanthropy, alfred nobel 00:01:55 Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff. HowStuffWorks.com How do British royal titles work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-07-brainstuff-royal-titles.mp3 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work. Fri, 07 Oct 2011 13:23:01 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-07-brainstuff-royal-titles.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, royal titles, peerage, aristocracy, oligarchy, oppression 00:05:21 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work. HowStuffWorks.com How do plastics work? What is actually in a plastic? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-05-brainstuff-plastics.mp3 Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains the composition of plastic. Wed, 05 Oct 2011 11:06:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-05-brainstuff-plastics.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, plastics, plastic, petrochemical, chemistry 00:05:03 Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains the composition of plastic. HowStuffWorks.com Why do they include jokers in a deck of playing cards? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-03-brainstuff-joker.mp3 The joker is an obscure and (according to some) useless addition to a deck of modern playing cards -- but it was originally a powerful card. Discover the history of the joker card and the modern card deck in this podcast from HowStuffWorks.com. Mon, 03 Oct 2011 09:56:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-10-03-brainstuff-joker.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, joker, card, playing card 00:01:46 The joker is an obscure and (according to some) useless addition to a deck of modern playing cards -- but it was originally a powerful card. Discover the history of the joker card and the modern card deck in this podcast from HowStuffWorks.com. HowStuffWorks.com What is market capitalization? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-30-brainstuff-stock-capitalization.mp3 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. Fri, 30 Sep 2011 16:06:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-30-brainstuff-stock-capitalization.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, computer, turn off computer, electronics 00:02:50 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. HowStuffWorks.com What is dynamite? How does it work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-28-brainstuff-dynamite.mp3 Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff. Wed, 28 Sep 2011 13:02:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-28-brainstuff-dynamite.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, dynamite, explosive, nitroglycerin 00:02:22 Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff. HowStuffWorks.com Why is dry ice dangerous? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-26-brainstuff-dry-ice-dangerous.mp3 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. Mon, 26 Sep 2011 15:37:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-26-brainstuff-dry-ice-dangerous.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dry ice, danger, health 00:01:39 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do one-way mirrors work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-23-brainstuff-oneway-mirror.mp3 One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff. Fri, 23 Sep 2011 13:35:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-23-brainstuff-oneway-mirror.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, one-way mirror, mirrors 00:03:01 One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff. HowStuffWorks.com What would happen if the polar ice caps melted? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-21-brainstuff-ice-caps.mp3 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. Wed, 21 Sep 2011 14:11:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-21-brainstuff-ice-caps.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, ice caps, ocean rise, climate change, polar 00:02:27 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. HowStuffWorks.com What makes your knuckles pop? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-19-brainstuff-knuckle-popping.mp3 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. Mon, 19 Sep 2011 15:29:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-19-brainstuff-knuckle-popping.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, knuckle popping, anatomy, chemical, physiology 00:03:29 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. HowStuffWorks.com Should you turn your computer off when it's not in use? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-16-brainstuff-turn-computer-off.mp3 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. Fri, 16 Sep 2011 13:06:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-16-brainstuff-turn-computer-off.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, computer, turn off computer, electronics 00:03:18 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. HowStuffWorks.com How much sugar do they really put in soda? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-14-brainstuff-sugar-in-soda.mp3 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. Wed, 14 Sep 2011 09:53:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-14-brainstuff-sugar-in-soda.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, sugar, soda, nutrition, pop, cola 00:02:27 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. HowStuffWorks.com Why doesn't paper money disintegrate in the washing machine? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-12-brainstuff-paper-money.mp3 Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. Mon, 12 Sep 2011 12:01:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-12-brainstuff-paper-money.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, paper money, printing, federal mint, currency 00:01:35 Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. HowStuffWorks.com Why can't a couch potato run a marathon? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-09-brainstuff-athletes.mp3 Intuitively, it makes sense that a trained athlete can run a marathon easily, while a "couch potato" can barely run a mile. But what's the biology behind it? Find out how fit and unfit bodies respond to exercise in this episode. Fri, 09 Sep 2011 14:14:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-09-brainstuff-athletes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, athlete, athletic, marathon, couch potato 00:04:05 Intuitively, it makes sense that a trained athlete can run a marathon easily, while a "couch potato" can barely run a mile. But what's the biology behind it? Find out how fit and unfit bodies respond to exercise in this episode. HowStuffWorks.com What is chewing gum made of? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-07-brainstuff-gum.mp3 Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. Wed, 07 Sep 2011 12:01:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-07-brainstuff-gum.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, gum, ingredients, food 00:01:47 Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. HowStuffWorks.com How can a car get 100 MPG? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-05-brainstuff-car-get-100-mpg.mp3 Created in the 1980s, the Avion is a car that can get more than 100 miles per gallon. In this episode, Marshall Brain talks about the factors that make the Avion so efficient -- and how the same techniques could be applied to production vehicles. Mon, 05 Sep 2011 15:23:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-05-brainstuff-car-get-100-mpg.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, avion, 100 mpg, fuel efficiency 00:04:55 Created in the 1980s, the Avion is a car that can get more than 100 miles per gallon. In this episode, Marshall Brain talks about the factors that make the Avion so efficient -- and how the same techniques could be applied to production vehicles. HowStuffWorks.com How Jelly, Jam and Preserves Work http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-02-brainstuff-jelly.mp3 Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. Fri, 02 Sep 2011 12:16:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-09-02-brainstuff-jelly.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, jelly, jam, preserves, jello 00:01:47 Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. HowStuffWorks.com How do neon and fluorescent lights differ? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-31-brainstuff-neon.mp3 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. Wed, 31 Aug 2011 11:38:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-31-brainstuff-neon.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, light, neon, fluorescent 00:02:03 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do hopping cars work? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-29-brainstuff-lowrider.mp3 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. Mon, 29 Aug 2011 15:51:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-29-brainstuff-lowrider.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, lowrider, hydraulic, truck, 00:02:03 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. HowStuffWorks.com What happens when you press Alt and F4? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-26-brainstuff-alt-f4-key.mp3 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. Fri, 26 Aug 2011 16:54:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-26-brainstuff-alt-f4-key.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, alt f4, 00:02:10 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. HowStuffWorks.com When I pay by check, where does that check go? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-24-brainstuff-checks.mp3 When you write a check to purchase goods and services, it passes through the hands of several banks before the process is complete. Marshall explains how checks are processed through intermediary banks in this episode. Wed, 24 Aug 2011 11:30:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-24-brainstuff-checks.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, check, commerce, pay by check, banking 00:04:49 When you write a check to purchase goods and services, it passes through the hands of several banks before the process is complete. Marshall explains how checks are processed through intermediary banks in this episode. HowStuffWorks.com Where's the best place to sit in a movie theater? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-22-brainstuff-best-movie-seat.mp3 When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit -- in this episode. Mon, 22 Aug 2011 16:20:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-22-brainstuff-best-movie-seat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, movie theater, movie seat, surround sound, seating 00:02:27 When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit -- in this episode. HowStuffWorks.com What causes the smell after rain? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-19-brainstuff-rain-smell.mp3 The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out. Fri, 19 Aug 2011 12:40:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-19-brainstuff-rain-smell.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, rain, smell, bacteria 00:03:53 The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out. HowStuffWorks.com What do the symbols on the U.S. one-dollar bill mean? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-17-brainstuff-dollar-bill.mp3 If you've ever looked carefully at a U.S. one-dollar bill, you've probably noticed some mysterious symbols and Latin phrases. What do these symbols stand for? Why are they on there? Marshall Brain breaks it down for you in this episode. Wed, 17 Aug 2011 16:02:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-17-brainstuff-dollar-bill.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, dollar bill, symbol, pyramid, history 00:04:30 If you've ever looked carefully at a U.S. one-dollar bill, you've probably noticed some mysterious symbols and Latin phrases. What do these symbols stand for? Why are they on there? Marshall Brain breaks it down for you in this episode. HowStuffWorks.com Why is bamboo suddenly appearing in so many products? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-15-brainstuff-bamboo.mp3 Nowadays bamboo is used to make all sorts of products, from flooring and furniture to bicycle frames. In this episode, Marshall explains why bamboo is becoming so popular -- and the advantages of using it to create consumer goods. Mon, 15 Aug 2011 14:47:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-15-brainstuff-bamboo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, bamboo, bamboo products, bamboo flooring, bamboo furniture 00:04:55 Nowadays bamboo is used to make all sorts of products, from flooring and furniture to bicycle frames. In this episode, Marshall explains why bamboo is becoming so popular -- and the advantages of using it to create consumer goods. HowStuffWorks.com How Flatulence Works http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-12-brainstuff-flatulence.mp3 Learn about the causes of gas -- and not the kind you put in your car -- in this podcast from Marshall Brain. Fri, 12 Aug 2011 14:23:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-12-brainstuff-flatulence.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, flatulence, fart, gas 00:02:32 Learn about the causes of gas -- and not the kind you put in your car -- in this podcast from Marshall Brain. HowStuffWorks.com Why do limbs fall asleep? http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-10-brainstuff-limbs-asleep.mp3 Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this HowStuffWorks podcast. Wed, 10 Aug 2011 11:52:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-10-brainstuff-limbs-asleep.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, limbs fall asleep, muscle, nerve, sensation 00:01:33 Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this HowStuffWorks podcast. HowStuffWorks.com How Color Blindness Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-08-brainstuff-color-blindness.mp3 Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. Mon, 08 Aug 2011 13:57:04 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-08-brainstuff-color-blindness.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, color blindness, rods, cones, vision, color 00:01:35 Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. HowStuffWorks.com Why do cats have whiskers? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-05-brainstuff-cat-whiskers.mp3 Cat whiskers, also known as "tactile hairs," are very different from a cat's regular body hair. In this episode, Marshall explains how these hairs are unique and what cats use them for. Fri, 05 Aug 2011 16:49:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-05-brainstuff-cat-whiskers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, cat whiskers, cat, feline, 00:03:14 Cat whiskers, also known as "tactile hairs," are very different from a cat's regular body hair. In this episode, Marshall explains how these hairs are unique and what cats use them for. HowStuffWorks.com How Internet Cookies Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-03-brainstuff-cookies.mp3 Internet cookies are information stored as text strings on a machine by a web server. Most commonly, cookies are used to store user IDs. Wed, 03 Aug 2011 15:42:53 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-03-brainstuff-cookies.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, cookie, internet security, online 00:02:42 Internet cookies are information stored as text strings on a machine by a web server. Most commonly, cookies are used to store user IDs. HowStuffWorks.com How does making bread work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-01-brainstuff-bread.mp3 Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. Mon, 01 Aug 2011 13:13:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-08-01-brainstuff-bread.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, bread, baking, yeast, wheat, food 00:01:26 Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. HowStuffWorks.com How does the ball return work on a pool table? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-29-brainstuff-pool-ball-return.mp3 If you've ever played a coin-operated pool table, then you've probably noticed that the table can sense the difference between the cue ball and the other balls in play. But how does this work? Tune in and find out in this podcast. Fri, 29 Jul 2011 15:15:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-29-brainstuff-pool-ball-return.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, pool ball return, pool table 00:03:52 If you've ever played a coin-operated pool table, then you've probably noticed that the table can sense the difference between the cue ball and the other balls in play. But how does this work? Tune in and find out in this podcast. HowStuffWorks.com How do a zebra's stripes act as camoflauge? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-27-brainstuff-zebra-stripes.mp3 A zebra's stripes offer protection from predators in the form of camouflage -- and a way to identify individual members within the larger group. Learn more about zebra stripes in this episode. Wed, 27 Jul 2011 12:47:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-27-brainstuff-zebra-stripes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, zebra stripes camoflauge, lions colorblind, zebra stripe patterns, zebra stripes 00:03:32 A zebra's stripes offer protection from predators in the form of camouflage -- and a way to identify individual members within the larger group. Learn more about zebra stripes in this episode. HowStuffWorks.com What's the deal with milk? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-25-brainstuff-milk.mp3 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. Mon, 25 Jul 2011 10:17:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-25-brainstuff-milk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, milk miracle drink, milk nutritional, mammal milk 00:03:14 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. HowStuffWorks.com Can I see the stuff astronauts left on the moon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-22-brainstuff-moon-telescope.mp3 Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. Fri, 22 Jul 2011 13:16:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-22-brainstuff-moon-telescope.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, astronomy, space, moon telescope, lunar telescope, NASA 00:01:39 Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. HowStuffWorks.com How do astronauts function in their spacesuits? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-20-brainstuff-spacesuit-eating.mp3 Astronauts wear special suits while they're working in space, and these spacewalks can last for hours. In this episode, Marshall Brain explains how astronauts take care of their basic needs while wearing spacesuits. Wed, 20 Jul 2011 13:11:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-20-brainstuff-spacesuit-eating.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, EMU, spacesuit functions, astronauts, MAG, IDB 00:02:29 Astronauts wear special suits while they're working in space, and these spacewalks can last for hours. In this episode, Marshall Brain explains how astronauts take care of their basic needs while wearing spacesuits. HowStuffWorks.com How the Lightsaber Effect Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-18-brainstuff-light-saber.mp3 Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. Mon, 18 Jul 2011 13:28:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-18-brainstuff-light-saber.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, hsw, brainstuff, brain stuff, lightsaber, light saber, star wars 00:01:54 Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. HowStuffWorks.com How Rearview Mirrors Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-15-brainstuff-rearview-mirror.mp3 How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. Fri, 15 Jul 2011 11:48:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-15-brainstuff-rearview-mirror.mp3 podcast@howstuffworks.com (BrainStuff) no rear-view mirror, rear view mirror, rear mirror, glare, rearview mirror, glare resistant, mirrored surface, reflected image 00:01:33 How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. HowStuffWorks.com What type of gas do race cars use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-13-brainstuff-race-gas.mp3 Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. Wed, 13 Jul 2011 11:38:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-13-brainstuff-race-gas.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, howstuffworks, race car gas, petroleum, ethanol, dragster fuel, racing fuel 00:01:34 Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. HowStuffWorks.com Why don't they use normal air in race car tires? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-11-brainstuff-tire-nitrogen.mp3 Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles. Mon, 11 Jul 2011 15:21:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-11-brainstuff-tire-nitrogen.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, race car tires, nitrogen pressure, expansion, contraction 00:02:26 Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles. HowStuffWorks.com What is the difference between a turbo-charger and a super-charger? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-08-brainstuff-turbo-super.mp3 Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. Fri, 08 Jul 2011 15:19:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-08-brainstuff-turbo-super.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, turbo-charger, super-charger, cars 00:02:26 Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. HowStuffWorks.com Why are traffic lights being replaced with LEDs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-06-brainstuff-led-traffic-lights.mp3 Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. Wed, 06 Jul 2011 11:45:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-06-brainstuff-led-traffic-lights.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, led, traffic light, technology, traffic, led traffic light, stoplight 00:01:46 Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. HowStuffWorks.com Could anti-lock brakes detect a flat tire? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-04-brainstuff-flat-tire.mp3 By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. Mon, 04 Jul 2011 15:09:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-04-brainstuff-flat-tire.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, Anti-lock Braking System, rotation sensor, flat tire 00:02:13 By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. HowStuffWorks.com How do they create patterns in a baseball field? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-01-brainstuff-patterns-baseball-field.mp3 Groundskeepers at baseball fields create patterns using a process called lawn striping. Tune in to find out how this process works -- and how you can duplicate it to create designs in your own yard. Fri, 01 Jul 2011 11:41:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-07-01-brainstuff-patterns-baseball-field.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, lawn striping, baseball field, landscaping, stadium 00:02:37 Groundskeepers at baseball fields create patterns using a process called lawn striping. Tune in to find out how this process works -- and how you can duplicate it to create designs in your own yard. HowStuffWorks.com How do retractable roofs in convertible stadiums work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-29-brainstuff-retractable-roof-stadiums.mp3 Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode. Wed, 29 Jun 2011 11:37:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-29-brainstuff-retractable-roof-stadiums.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, retractable roof, stadium, engineering, architecture 00:05:59 Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode. HowStuffWorks.com In baseball, how does a pitcher throw a curveball? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-27-brainstuff-curve-ball.mp3 A curveball is a pitcher's secret weapon for striking out batters. Discover the physics behind a great curveball in this episode of BrainStuff. Mon, 27 Jun 2011 13:59:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-27-brainstuff-curve-ball.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, baseball, curve ball, pitcher, sport, physics, pitch 00:03:00 A curveball is a pitcher's secret weapon for striking out batters. Discover the physics behind a great curveball in this episode of BrainStuff. HowStuffWorks.com How Calorie Meters Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-24-brainstuff-calorie-meters.mp3 It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast Fri, 24 Jun 2011 13:45:13 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-24-brainstuff-calorie-meters.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, calorie meter, weight, fitness, exercise 00:02:02 It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast HowStuffWorks.com What are hot dogs made from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-22-brainstuff-hot-dogs.mp3 Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. Wed, 22 Jun 2011 15:05:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-22-brainstuff-hot-dogs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, hot dog, cooking, recipe, ingredient 00:02:06 Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. HowStuffWorks.com How does popcorn work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-20-brainstuff-popcorn.mp3 Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. Mon, 20 Jun 2011 13:10:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-20-brainstuff-popcorn.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, popcorn, cooking, microwave, corn, snacks 00:01:26 Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How Cooking at High Altitudes Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-17-brainstuff-altitude-cooking.mp3 The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. Fri, 17 Jun 2011 15:31:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-17-brainstuff-altitude-cooking.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cooking, altitude, boil water 00:01:47 The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. HowStuffWorks.com How is olive oil made? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-15-brainstuff-olive-oil.mp3 People across the planet love olive oil, and it's not hard to see why: This tasty liquid lends flavor to hundreds of dishes, and it's been used for thousands of years. But how does it get from the tree to the bottle? Tune in to find out. Wed, 15 Jun 2011 12:15:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-15-brainstuff-olive-oil.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, olive oil, olives, food, condiment, pimento 00:07:34 People across the planet love olive oil, and it's not hard to see why: This tasty liquid lends flavor to hundreds of dishes, and it's been used for thousands of years. But how does it get from the tree to the bottle? Tune in to find out. HowStuffWorks.com How do bake and broil settings differ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-13-brainstuff-bake-v-broil.mp3 Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. Mon, 13 Jun 2011 13:10:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-13-brainstuff-bake-v-broil.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, oven, bake, broil, hot air, preheat, infrared radiation, grill, broiler 00:03:12 Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. HowStuffWorks.com How much fuel does an airplane use for a trip? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-10-brainstuff-airplane-mileage.mp3 A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. Fri, 10 Jun 2011 14:23:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-10-brainstuff-airplane-mileage.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, air, aircraft, mpg, Boeing 747 00:01:47 A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. HowStuffWorks.com How Sonic Booms Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-08-brainstuff-sonic-boom.mp3 The sonic booms formed by planes are similar to the wakes left by boats in water. But how? To learn more about sonic booms, check out this classic podcast -- it's one of our editors' favorites. Wed, 08 Jun 2011 13:51:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-08-brainstuff-sonic-boom.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sonic boom, physics, flight, air speed, aerodynamics 00:02:26 The sonic booms formed by planes are similar to the wakes left by boats in water. But how? To learn more about sonic booms, check out this classic podcast -- it's one of our editors' favorites. HowStuffWorks.com How does an upside down airplane's engine get fuel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-06-brainstuff-upside-down-airplane.mp3 Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. Mon, 06 Jun 2011 14:15:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-06-brainstuff-upside-down-airplane.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, acrobatic plane, fuel, upside down, gravity, flop tube, fuel tank 00:01:46 Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. HowStuffWorks.com How do aircraft carriers work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-03-brainstuff-aircraft-carrier.mp3 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. Fri, 03 Jun 2011 15:43:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-03-brainstuff-aircraft-carrier.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, air, aircraft carrier, aircraft, navy 00:01:32 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. HowStuffWorks.com How Contrails Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-01-brainstuff-contrail.mp3 The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. Wed, 01 Jun 2011 12:21:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-06-01-brainstuff-contrail.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, contrail, aircraft, condensation, airplane, 00:02:10 The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. HowStuffWorks.com How Air Force One Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-30-brainstuff-air-force-one.mp3 Air Force One is gigantic, but how does it work? This is one of our editors' favorite episodes, and it's no surprise why: Listen in for a brief, detailed look at the interior of Air Force One. Mon, 30 May 2011 16:22:04 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-30-brainstuff-air-force-one.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, air force one, presidential airplane, aircraft 00:01:49 Air Force One is gigantic, but how does it work? This is one of our editors' favorite episodes, and it's no surprise why: Listen in for a brief, detailed look at the interior of Air Force One. HowStuffWorks.com How big does a meteor have to be to reach the ground? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-27-brainstuff-meteors.mp3 If you've spent much time looking up at the night sky, then you've probably seen some spectacular meteor showers. But how big do these things have to be make it through Earth's atmosphere and reach the ground? Tune in and find out. Fri, 27 May 2011 13:52:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-27-brainstuff-meteors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, astronomy, meteor, space, asteroid, meteorite 00:05:01 If you've spent much time looking up at the night sky, then you've probably seen some spectacular meteor showers. But how big do these things have to be make it through Earth's atmosphere and reach the ground? Tune in and find out. HowStuffWorks.com Is there any way to see orbiting satellites? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-25-brainstuff-see-satellite.mp3 Satellites are fascinating, but for most people they're somewhat mysterious. They float somewhere in space, invisible to the naked eye -- or are they? In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. Wed, 25 May 2011 17:05:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-25-brainstuff-see-satellite.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space, satellite, orbit, gravity, physics 00:01:55 Satellites are fascinating, but for most people they're somewhat mysterious. They float somewhere in space, invisible to the naked eye -- or are they? In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. HowStuffWorks.com How do satellites orbit the Earth? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-23-brainstuff-orbit.mp3 Satellites are fascinating, but for most people they're somewhat mysterious. So how do they stay in orbit without plummeting to Earth? In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. Mon, 23 May 2011 14:19:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-23-brainstuff-orbit.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space, satellite, orbit, gravity, physics 00:03:32 Satellites are fascinating, but for most people they're somewhat mysterious. So how do they stay in orbit without plummeting to Earth? In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. HowStuffWorks.com How do astronomers measure distance? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-20-brainstuff-distance-to-star.mp3 Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this editor's choice podcast from HowStuffWorks. Fri, 20 May 2011 14:59:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-20-brainstuff-distance-to-star.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, astronomy, measurement, space, space exploration, stars 00:02:00 Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this editor's choice podcast from HowStuffWorks. HowStuffWorks.com What is a light year? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-18-brainstuff-lightyear.mp3 A light year is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this classic Brainstuff podcast from HowStuffWorks' archives to learn more about astronomy. Wed, 18 May 2011 14:29:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-18-brainstuff-lightyear.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, lightyear, space exploration, astronomy 00:02:44 A light year is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this classic Brainstuff podcast from HowStuffWorks' archives to learn more about astronomy. HowStuffWorks.com How do space suits work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-16-brainstuff-space-suit.mp3 Space suits provide oxygen, pressurize air, and control an astronaut's temperature. Learn more about space suits in this classic HowStuffWorks podcast, one of our editors' hand-picked favorites. Mon, 16 May 2011 16:27:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-16-brainstuff-space-suit.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space, space-suit, space, nasa, astronaut 00:01:31 Space suits provide oxygen, pressurize air, and control an astronaut's temperature. Learn more about space suits in this classic HowStuffWorks podcast, one of our editors' hand-picked favorites. HowStuffWorks.com How do cavities work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-13-brainstuff-cavities.mp3 It's editor's choice month, so tune in and catch our editors' favorite episodes. This week, Marshall is covering cavities: They're formed by bacteria that excrete an acid onto the enamel of a tooth -- but how? Listen in to learn more. Fri, 13 May 2011 15:50:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-13-brainstuff-cavities.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, editor's choice, cavities, dentist, oral hygiene 00:01:46 It's editor's choice month, so tune in and catch our editors' favorite episodes. This week, Marshall is covering cavities: They're formed by bacteria that excrete an acid onto the enamel of a tooth -- but how? Listen in to learn more. HowStuffWorks.com How does Krispy Kreme work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-11-brainstuff-krispy-kreme.mp3 A single Krispy Kreme store can produce 100,000 doughnuts a day. To learn more about how these Krispy Kreme doughnuts are made, check out this HowStuffWorks podcast. Wed, 11 May 2011 12:38:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-11-brainstuff-krispy-kreme.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, youtube, hbo, advertising 00:01:32 A single Krispy Kreme store can produce 100,000 doughnuts a day. To learn more about how these Krispy Kreme doughnuts are made, check out this HowStuffWorks podcast. HowStuffWorks.com How do carbohydrates work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-09-brainstuff-carbohydrates.mp3 We hear about carbohydrates in the news constantly -- the complex carbs are supposed to be better than the simple ones, but why? In fact, what exactly is a carbohydrate? Listen in and learn more in this podcast. Mon, 09 May 2011 14:17:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-09-brainstuff-carbohydrates.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, carbohydrate, health, diet, nutrition 00:06:03 We hear about carbohydrates in the news constantly -- the complex carbs are supposed to be better than the simple ones, but why? In fact, what exactly is a carbohydrate? Listen in and learn more in this podcast. HowStuffWorks.com Marshall Brain's News Roundup: May 6th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-06-brainstuff-news-roundup-14.mp3 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. Fri, 06 May 2011 16:30:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-06-brainstuff-news-roundup-14.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, may 6 00:14:25 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. HowStuffWorks.com Why do people choke under pressure? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-04-brainstuff-choke-pressure.mp3 Anyone who watched the Master's tournament knows that Rory McElroy famously choked under pressure -- but what exactly happened? In this podcast, Marshall explores the science behind choking in stressful or intimidating situations. Wed, 04 May 2011 15:35:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-04-brainstuff-choke-pressure.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, pressure, stress, choke under pressure 00:07:20 Anyone who watched the Master's tournament knows that Rory McElroy famously choked under pressure -- but what exactly happened? In this podcast, Marshall explores the science behind choking in stressful or intimidating situations. HowStuffWorks.com Securing Your Wifi Router http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-02-brainstuff-wireless-password.mp3 Is it possible to get arrested for downloading illegal material even if you never download it yourself? Yes: When someone else logs onto your unprotected wifi, they can make a clean getaway while you get stuck with the blame. Tune in to learn more. Mon, 02 May 2011 14:37:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-05-02-brainstuff-wireless-password.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 00:05:46 Is it possible to get arrested for downloading illegal material even if you never download it yourself? Yes: When someone else logs onto your unprotected wifi, they can make a clean getaway while you get stuck with the blame. Tune in to learn more. HowStuffWorks.com Marshall Brain's News Roundup: April 29th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-29-brainstuff-news-roundup-13.mp3 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. Fri, 29 Apr 2011 16:13:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-29-brainstuff-news-roundup-13.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, april 29, 00:12:06 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. HowStuffWorks.com Is it possible to use a leaf blower as a supercharger? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-27-brainstuff-leafblower-supercharger.mp3 Leaf blowers are convenient, but are they living up to their potential? In this podcast, Marshall examines superchargers, explaining how a leaf blower can (theoretically) perform the same duties. Tune in and learn more about hacking leaf blowers. Wed, 27 Apr 2011 15:39:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-27-brainstuff-leafblower-supercharger.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 00:07:39 Leaf blowers are convenient, but are they living up to their potential? In this podcast, Marshall examines superchargers, explaining how a leaf blower can (theoretically) perform the same duties. Tune in and learn more about hacking leaf blowers. HowStuffWorks.com How do artificial sweeteners work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-25-brainstuff-artificial-sweeteners.mp3 At many restaurants, a little container on the table will have regular sugar in addition to artificial sweeteners. But what exactly are artificial sweeteners, and how do they differ in comparison to regular sugar? Listen in to find out. Mon, 25 Apr 2011 13:07:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-25-brainstuff-artificial-sweeteners.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 00:07:56 At many restaurants, a little container on the table will have regular sugar in addition to artificial sweeteners. But what exactly are artificial sweeteners, and how do they differ in comparison to regular sugar? Listen in to find out. HowStuffWorks.com Marshall Brain's News Roundup: April 22nd, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-22-brainstuff-news-roundup-12.mp3 From the Dukan Diet to gigantic super organisms, there's no shortage of fascinating news stories each week -- so how can you keep track of the best? Never fear: Tune in as Marshall catches you up to speed with his weekly news roundup. Fri, 22 Apr 2011 13:54:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-22-brainstuff-news-roundup-12.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, april 22, dukan, android 00:16:41 From the Dukan Diet to gigantic super organisms, there's no shortage of fascinating news stories each week -- so how can you keep track of the best? Never fear: Tune in as Marshall catches you up to speed with his weekly news roundup. HowStuffWorks.com What does a gigabyte of internet access really cost? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-20-brainstuff-internet-bandwidth-cost.mp3 Internet service providers often tangle with customers who claim they're being ripped off -- but how much does a gigabyte of access actually cost? Join Marshall Brain as he breaks down the real cost of a gigabyte's worth of internet access. Wed, 20 Apr 2011 16:36:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-20-brainstuff-internet-bandwidth-cost.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, gigabyte, cost, isp, internet access 00:09:08 Internet service providers often tangle with customers who claim they're being ripped off -- but how much does a gigabyte of access actually cost? Join Marshall Brain as he breaks down the real cost of a gigabyte's worth of internet access. HowStuffWorks.com How does a pressurized airplane cabin work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-18-brainstuff-airplane-cabin.mp3 How does a pressurized airplane cabin work -- more importantly, what happens when the pressure fails? Join Marshall Brain as he breaks down the science behind cabin pressurization. Mon, 18 Apr 2011 15:43:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-18-brainstuff-airplane-cabin.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, airplane, cabin pressure, pressurized air, plane crash 00:05:45 How does a pressurized airplane cabin work -- more importantly, what happens when the pressure fails? Join Marshall Brain as he breaks down the science behind cabin pressurization. HowStuffWorks.com Marshall Brain's News Roundup: April 15th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-15-brainstuff-news-roundup-11.mp3 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. Fri, 15 Apr 2011 14:32:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-15-brainstuff-news-roundup-11.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, april 15, at-at, hoth, graphite 00:17:07 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. HowStuffWorks.com Is it possible to rescue water-soaked electronics? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-13-brainstuff-electronics-in-water.mp3 Is it possible to rescue an electronic device dunked in water? In this episode, Marshall recounts an unfortunate meeting between a GPS device and a dog's water bowl. Tune in to learn whether or not he was able to fix it. Wed, 13 Apr 2011 16:13:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-13-brainstuff-electronics-in-water.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, electronics and water, repairing electronics, gadgets 00:04:10 Is it possible to rescue an electronic device dunked in water? In this episode, Marshall recounts an unfortunate meeting between a GPS device and a dog's water bowl. Tune in to learn whether or not he was able to fix it. HowStuffWorks.com Will space tourism become a reality? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-11-brainstuff-space-tourism.mp3 With private companies frantically searching for new ways to take people into orbit, it seems that space tourism could become a reality (for those who can afford it). But will it ever really happen? Tune in and learn more in this podcast. Mon, 11 Apr 2011 18:02:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-11-brainstuff-space-tourism.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space tourism, nasa, space 00:05:32 With private companies frantically searching for new ways to take people into orbit, it seems that space tourism could become a reality (for those who can afford it). But will it ever really happen? Tune in and learn more in this podcast. HowStuffWorks.com Marshall Brain's News Roundup: April 7th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-08-brainstuff-news-roundup-10.mp3 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. Fri, 08 Apr 2011 17:41:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-08-brainstuff-news-roundup-10.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, april 7 00:14:16 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. HowStuffWorks.com How many people does it take to do a Formula 1 pit stop? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-06-brainstuff-7-second-pit-stop.mp3 If you've ever seen a Formula 1 race, then you know the race isn't just between cars -- it's also between pit stop crews. In seven seconds these crews perform an entire pit stop. But how does it work, and how many people does it take? Tune in to find out. Wed, 06 Apr 2011 14:21:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-06-brainstuff-7-second-pit-stop.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, forumla 1, pit stop, racing 00:03:15 If you've ever seen a Formula 1 race, then you know the race isn't just between cars -- it's also between pit stop crews. In seven seconds these crews perform an entire pit stop. But how does it work, and how many people does it take? Tune in to find out. HowStuffWorks.com What is the worst invasive public species? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-04-brainstuff-invasive-species.mp3 From kudzu to cane toads, invasive species are changing the world. But which of these transplants is the worst for the local landscape? Tune in as Marshall Brain tackles invasive species across the world -- and ultimately concludes which one is the worst. Tue, 05 Apr 2011 12:58:04 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-04-brainstuff-invasive-species.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, invasive species, ecology, kudzu, cane toad 00:05:12 From kudzu to cane toads, invasive species are changing the world. But which of these transplants is the worst for the local landscape? Tune in as Marshall Brain tackles invasive species across the world -- and ultimately concludes which one is the worst. HowStuffWorks.com Marshall Brain's News Roundup: April 1st, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-01-brainstuff-news-update-9.mp3 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. Fri, 01 Apr 2011 16:27:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-04-01-brainstuff-news-update-9.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, april 1 00:12:14 With billions of people on the planet and millions of astonishing events happening each day, it's tough to keep track of everything. Luckily, Marshall's here to keep you up-to-date with the latest news in his weekly news roundup. Tune in and learn more. HowStuffWorks.com How does someone become a saint? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-30-brainstuff-saints.mp3 Many religions bestow a special status on people who demonstrate a life of almost perfect virtue -- but how does canonization actually occur? In this episode, Marshall breaks down the process used to officially recognize a person as a saint. Wed, 30 Mar 2011 15:45:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-30-brainstuff-saints.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, canonization, saint, beatify, catholicism 00:05:33 Many religions bestow a special status on people who demonstrate a life of almost perfect virtue -- but how does canonization actually occur? In this episode, Marshall breaks down the process used to officially recognize a person as a saint. HowStuffWorks.com Where should I sit to get the best ride on a roller coaster? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-28-brainstuff-best-seat.mp3 Each roller coaster car is moved by the cars connected to it, which makes the experience of riding a rollercoaster a bit different in each car. Learn which seat on a roller coaster is best for you, based on science and your personal preferences. Mon, 28 Mar 2011 14:40:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-28-brainstuff-best-seat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, roller coaster, amusement park, physics 00:04:21 Each roller coaster car is moved by the cars connected to it, which makes the experience of riding a rollercoaster a bit different in each car. Learn which seat on a roller coaster is best for you, based on science and your personal preferences. HowStuffWorks.com Marshall Brain's News Roundup: March 25th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-25-brainstuff-news-roundup-8.mp3 From streaming photo albums to Rebecca Black, this week has been chock-full of fascinating (or, at least in Rebecca's case, unavoidable) events. Tune in as Marshall Brain helps you catch up on the latest and most interesting news from around the world. Fri, 25 Mar 2011 15:28:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-25-brainstuff-news-roundup-8.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, march 25 00:16:08 From streaming photo albums to Rebecca Black, this week has been chock-full of fascinating (or, at least in Rebecca's case, unavoidable) events. Tune in as Marshall Brain helps you catch up on the latest and most interesting news from around the world. HowStuffWorks.com How does emergency preparedness work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-23-brainstuff-emergency-preparedness.mp3 In moments, a natural disaster can level cities, kill thousands and force survivors to scavenge through the rubble for supplies. In this podcast, Marshall discusses the importance of preparedness and the types of supplies you may need in an emergency. Wed, 23 Mar 2011 13:24:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-23-brainstuff-emergency-preparedness.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, natural disaster 00:04:47 In moments, a natural disaster can level cities, kill thousands and force survivors to scavenge through the rubble for supplies. In this podcast, Marshall discusses the importance of preparedness and the types of supplies you may need in an emergency. HowStuffWorks.com Time Stands Still http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-21-brainstuff-time-stands-still.mp3 Current technology isn't able to actually stop the passage of time, but under certain circumstances time can appear to stop -- and all you need is an airplane. Tune in to learn more. Mon, 21 Mar 2011 14:21:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-21-brainstuff-time-stands-still.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 00:03:05 Current technology isn't able to actually stop the passage of time, but under certain circumstances time can appear to stop -- and all you need is an airplane. Tune in to learn more. HowStuffWorks.com Marshall Brain's News Roundup: March 18th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-18-brainstuff-news-roundup-7.mp3 As the nuclear situation in Japan continues to deteriorate, Marshall explores how a similar earthquake could affect the United States. And that's not all: Tune in and catch up on the latest, most fascinating news of the past week in this podcast. Fri, 18 Mar 2011 17:29:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-18-brainstuff-news-roundup-7.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news, current events, march 18, japan, tech 00:13:30 As the nuclear situation in Japan continues to deteriorate, Marshall explores how a similar earthquake could affect the United States. And that's not all: Tune in and catch up on the latest, most fascinating news of the past week in this podcast. HowStuffWorks.com What is mayonnaise? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-16-brainstuff-mayo.mp3 Mayo is an emulsion - a mixture of two liquids that normally can't be combined. So how do these ingredients come together? Tune in to learn how oil, egg yolks and acid combine to form one of the world's most popular condiments. Wed, 16 Mar 2011 15:58:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-16-brainstuff-mayo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, mayonnaise, condiment, mayo, 00:05:23 Mayo is an emulsion - a mixture of two liquids that normally can't be combined. So how do these ingredients come together? Tune in to learn how oil, egg yolks and acid combine to form one of the world's most popular condiments. HowStuffWorks.com Japan's Nuclear Problem http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-14-brainstuff-japan-nuclear-problem.mp3 When the recent earthquake hit Japan, it seemed the country had withstood the worst of the blast -- until explosions occurred at a nuclear power plant. Is another disaster on the way? Tune in as Marshall explains the state of Japan's nuclear power plants. Mon, 14 Mar 2011 16:16:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-14-brainstuff-japan-nuclear-problem.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, japan, earthquake, nuclear power plant 00:10:36 When the recent earthquake hit Japan, it seemed the country had withstood the worst of the blast -- until explosions occurred at a nuclear power plant. Is another disaster on the way? Tune in as Marshall explains the state of Japan's nuclear power plants. HowStuffWorks.com Is it possible to turn coal into oil? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-09-brainstuff-oil-from-coal.mp3 As the demand for dwindling oil supplies rises, scientists across the world search for new ways to generate energy. In this episode, Marshall looks at a new attempt to stave off the looming fossil fuel crisis: Turning coal into oil. Tune in to learn more. Wed, 09 Mar 2011 11:42:20 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-09-brainstuff-oil-from-coal.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, coal, oil, petroleum, energy crisis, peak oil 00:05:46 As the demand for dwindling oil supplies rises, scientists across the world search for new ways to generate energy. In this episode, Marshall looks at a new attempt to stave off the looming fossil fuel crisis: Turning coal into oil. Tune in to learn more. HowStuffWorks.com Why do eggs turn hard when you boil them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-07-brainstuff-hard-boiled-eggs.mp3 Eggs are rich in protein, and this protein causes eggs to turn hard when they're boiled - but how does it actually work? Tune in as Marshall Brain breaks down the science behind hard-boiled eggs. Mon, 07 Mar 2011 13:23:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-07-brainstuff-hard-boiled-eggs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hard boiled eggs, food chemistry, protein 00:03:21 Eggs are rich in protein, and this protein causes eggs to turn hard when they're boiled - but how does it actually work? Tune in as Marshall Brain breaks down the science behind hard-boiled eggs. HowStuffWorks.com Marshall Brain's News Roundup: March 4th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-04-brainstuff-news-roundup-5.mp3 Want to catch up on the biggest news stories of the week? If so, tune in as Marshall Brain analyzes the latest breaking news from around the world in this weekly news roundup. Tune in to learn more. Fri, 04 Mar 2011 15:49:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-04-brainstuff-news-roundup-5.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, news roundup, marshall brain, brainstuff, current events 00:15:05 Want to catch up on the biggest news stories of the week? If so, tune in as Marshall Brain analyzes the latest breaking news from around the world in this weekly news roundup. Tune in to learn more. HowStuffWorks.com Where does aluminum come from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-02-brainstuff-aluminum.mp3 Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where does it come from, and what makes it so special? Tune in to learn more. Wed, 02 Mar 2011 12:10:16 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-03-02-brainstuff-aluminum.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, aluminum, construction, engineering 00:05:07 Aluminum is both lightweight and strong, so it's no wonder that space stations, airplanes and thousands of other products use this metal. But where does it come from, and what makes it so special? Tune in to learn more. HowStuffWorks.com Semi Submarines http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-28-brainstuff-semi-submarine.mp3 There's a reason that most submarines are owned by governments - they're incredibly expensive. So what's a sub-loving consumer to do? Tune in as Marshall Brain breaks down the science behind semi subs (and why it makes them so much less expensive). Mon, 28 Feb 2011 14:17:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-28-brainstuff-semi-submarine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, semi submarine, submarine, water, boat, vessel 00:05:34 There's a reason that most submarines are owned by governments - they're incredibly expensive. So what's a sub-loving consumer to do? Tune in as Marshall Brain breaks down the science behind semi subs (and why it makes them so much less expensive). HowStuffWorks.com Marshall Brain's News Roundup: February 25th, 2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-25-brainstuff-news-roundup-4.mp3 Will the USB port become a thing of the past? How far will the price of solar power fall? Join Marshall Brain as he brings you the latest world news, from the death of the Guinea worm or the growth of private space exploration. Fri, 25 Feb 2011 15:47:17 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-25-brainstuff-news-roundup-4.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news roundup, current events, february 25 00:16:24 Will the USB port become a thing of the past? How far will the price of solar power fall? Join Marshall Brain as he brings you the latest world news, from the death of the Guinea worm or the growth of private space exploration. HowStuffWorks.com Can people really build missiles from scratch? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-23-brainstuff-salt-missile.mp3 In the film Salt, Angelina Jolie's character creates a missile from handy household ingredients -- but could this happen in real life? Tune in as Marshall breaks down the science behind improvised explosives. Wed, 23 Feb 2011 12:26:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-23-brainstuff-salt-missile.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, salt, missile, DIY explosive, ied 00:05:41 In the film Salt, Angelina Jolie's character creates a missile from handy household ingredients -- but could this happen in real life? Tune in as Marshall breaks down the science behind improvised explosives. HowStuffWorks.com How do strokes work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-21-brainstuff-stroke.mp3 In a stroke, something disrupts the normal blood supply to parts of the brain. Without oxygen, affected brain cells will begin to die. Tune in as Marshall explains the causes of -- and treatments for -- strokes. Mon, 21 Feb 2011 00:07:19 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-21-brainstuff-stroke.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, stroke, heart disease, blood clot 00:04:43 In a stroke, something disrupts the normal blood supply to parts of the brain. Without oxygen, affected brain cells will begin to die. Tune in as Marshall explains the causes of -- and treatments for -- strokes. HowStuffWorks.com Marshall Brain's News Roundup 2-18-2011 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-18-brainstuff-news-roundup-3.mp3 From Jeopardy's first nonhuman contestant to the secret recipe for Coca-Cola, this week has been packed with fascinating stories. Tune in as Marshall helps you catch up on the week's most interesting news. Fri, 18 Feb 2011 17:10:49 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-18-brainstuff-news-roundup-3.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news round up 3, news, zinc, coke, watson 00:13:45 From Jeopardy's first nonhuman contestant to the secret recipe for Coca-Cola, this week has been packed with fascinating stories. Tune in as Marshall helps you catch up on the week's most interesting news. HowStuffWorks.com How does the snow dragon eat and digest snow? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-16-brainstuff-snow-dragon-eat-snow.mp3 For cities plagued by yearly snowstorms, a fleet of snow plows and salt often aren't enough to get rid of excess drifts. Luckily, there's another option: Snow dragons. These machines can melt snow on the spot -- but how do they work? Tune in to find out. Wed, 16 Feb 2011 15:35:18 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-16-brainstuff-snow-dragon-eat-snow.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, snow dragon, snow, winter, snow plow 00:04:57 For cities plagued by yearly snowstorms, a fleet of snow plows and salt often aren't enough to get rid of excess drifts. Luckily, there's another option: Snow dragons. These machines can melt snow on the spot -- but how do they work? Tune in to find out. HowStuffWorks.com How did the moon get there? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-14-brainstuff-how-did-moon-get-there.mp3 The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon. Mon, 14 Feb 2011 13:33:09 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-14-brainstuff-how-did-moon-get-there.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, moon, lunar formation, astronomy 00:05:44 The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon. HowStuffWorks.com Marshall Brain's News Roundup No. 2 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-11-brainstuff-news-roundup-2.mp3 Each Friday, Marshall Brain brings you the latest news of the week in one handy podcast. Want to know what's shaking in the world of technology, science and more? Then tune in for a dose of BrainStuff. Fri, 11 Feb 2011 13:01:18 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-11-brainstuff-news-roundup-2.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, news roundup, current events 00:20:03 Each Friday, Marshall Brain brings you the latest news of the week in one handy podcast. Want to know what's shaking in the world of technology, science and more? Then tune in for a dose of BrainStuff. HowStuffWorks.com Why do 3D movies cause headaches? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-09-brainstuff-3d-headache.mp3 Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films. Wed, 09 Feb 2011 15:24:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-09-brainstuff-3d-headache.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 3d, 3d movie, three dimensional 00:04:02 Although 3-dimensional movies have become increasingly popular, numerous viewers have complained of headaches while watching these films. Why? Tune in as HowStuffWorks.com founder Marshall Brain breaks down the science behind 3D films. HowStuffWorks.com How is olive oil made? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-07-brainstuff-olive-oil.mp3 People across the planet love olive oil, and it's not hard to see why: This tasty liquid lends flavor to hundreds of dishes, and it's been used for thousands of years. But how does it get from the tree to the bottle? Tune in to find out. Mon, 07 Feb 2011 16:39:05 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-07-brainstuff-olive-oil.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, olive oil, gastronomy, food, olives 00:07:38 People across the planet love olive oil, and it's not hard to see why: This tasty liquid lends flavor to hundreds of dishes, and it's been used for thousands of years. But how does it get from the tree to the bottle? Tune in to find out. HowStuffWorks.com Marshall Brain's News Roundup No. 1 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-04-brainstuff-news-roundup-1.mp3 What's the deal with the UFO sighting in Jerusalem? Will the high schools of the future be filled with telepresence robots? Tune in and join Marshall Brain as he reviews the week's most fascinating news. Fri, 04 Feb 2011 16:16:14 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-04-brainstuff-news-roundup-1.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, news roundup, recent events, brainstuff 00:11:56 What's the deal with the UFO sighting in Jerusalem? Will the high schools of the future be filled with telepresence robots? Tune in and join Marshall Brain as he reviews the week's most fascinating news. HowStuffWorks.com What will airplanes look like in 2025? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-02-brainstuff-airplanes-2025.mp3 Most modern airplanes have a similar design, but NASA has a plan to move the world of aviation into the future by partnering with the world's airplane manufacturers to radically redesign the typical airplane. Tune in to learn more. Wed, 02 Feb 2011 15:57:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-02-02-brainstuff-airplanes-2025.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, airplane, 2025, nasa airplane 00:05:28 Most modern airplanes have a similar design, but NASA has a plan to move the world of aviation into the future by partnering with the world's airplane manufacturers to radically redesign the typical airplane. Tune in to learn more. HowStuffWorks.com How Proton Therapy Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-31-brainstuff-proton-therapy.mp3 As a method of treating cancer, proton therapy has great potential. But how does it work, exactly, and what makes it superior to other forms of cancer treatment? Tune in and find out. Mon, 31 Jan 2011 15:46:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-31-brainstuff-proton-therapy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, proton therapy, medicine, 00:05:40 As a method of treating cancer, proton therapy has great potential. But how does it work, exactly, and what makes it superior to other forms of cancer treatment? Tune in and find out. HowStuffWorks.com How can a valet rip you off? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-28-brainstuff-valet-scam.mp3 Once relegated to high-end restaurants and clubs, valets are increasingly common across the United States. But how can you trust your valet -- and how will you know if the valet is scamming you? Tune in and find out. Fri, 28 Jan 2011 15:14:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-28-brainstuff-valet-scam.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, valet, valet scam 00:05:28 Once relegated to high-end restaurants and clubs, valets are increasingly common across the United States. But how can you trust your valet -- and how will you know if the valet is scamming you? Tune in and find out. HowStuffWorks.com How can we eliminate fossil fuels? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-26-brainstuff-diy-biofuels.mp3 It's no secret that fossil fuels have a detrimental effect on the environment, but do feasible alternatives exist? In this episode, Marshall takes a look at the possibilities of DIY biofuel. Wed, 26 Jan 2011 16:10:27 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-26-brainstuff-diy-biofuels.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, diy biofuel, fossil fuel, algae, alternative energy 00:08:25 It's no secret that fossil fuels have a detrimental effect on the environment, but do feasible alternatives exist? In this episode, Marshall takes a look at the possibilities of DIY biofuel. HowStuffWorks.com What is the difference between good and bad toy helicopters? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-24-brainstuff-toy-helicopters.mp3 Can you buy a good, long-lasting toy helicopter for under $30? Mon, 24 Jan 2011 17:09:19 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-24-brainstuff-toy-helicopters.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, helicopter, toy, toy helicopter, flying, present, rf control, radio controlled helicopter 00:04:50 Can you buy a good, long-lasting toy helicopter for under $30? HowStuffWorks.com What is a restraining order, and how do you get one? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-21-brainstuff-restraining-order.mp3 Restraining orders are cropping up in the news more and more frequently, but how do they work? Join Marshall Brain as he breaks down the legality of restraining orders -- and how to get one. Fri, 21 Jan 2011 16:53:18 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-21-brainstuff-restraining-order.mp3 podcast@howstuffworks.com (BrainStuff) no Restraining orders are cropping up in the news more and more frequently, but how do they work? Join Marshall Brain as he breaks down the legality of restraining orders -- and how to get one. 00:04:48 Restraining orders are cropping up in the news more and more frequently, but how do they work? Join Marshall Brain as he breaks down the legality of restraining orders -- and how to get one. HowStuffWorks.com Can we make gasoline from bacteria? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-19-brainstuff-joule-unlimited.mp3 A new company is claiming that, next year, the problems of carbon emissions, foreign oil dependence, oil spills, fuel shortages, etc. will all end due to a breakthrough in biotechnology. Is it true? Wed, 19 Jan 2011 15:23:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-19-brainstuff-joule-unlimited.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, joule, gasoline, joule unlimited, biosynthesis, fuels, gas, fossil fuels 00:06:04 A new company is claiming that, next year, the problems of carbon emissions, foreign oil dependence, oil spills, fuel shortages, etc. will all end due to a breakthrough in biotechnology. Is it true? HowStuffWorks.com Anti-reflective coatings http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-17-brainstuff-anti-reflective-coating.mp3 Anti-reflective coatings are used to eliminate any light reflective off the back of the lenses. Learn about anti-reflective coatings in this BrainStuff episode. Mon, 17 Jan 2011 13:06:33 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-17-brainstuff-anti-reflective-coating.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, glasses, anti reflective, reflections, coatings, lens, sunglasses, howstuffworks 00:03:56 Anti-reflective coatings are used to eliminate any light reflective off the back of the lenses. Learn about anti-reflective coatings in this BrainStuff episode. HowStuffWorks.com Can picking a movie theater get any more complicated? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-14-brainstuff-movie-theaters.mp3 With all the recent technological breakthroughs, choosing the right movie theatre has become increasingly complex. Why? Listen in as Marshall breaks down the different sound and video technologies available in modern movie theaters. Fri, 14 Jan 2011 17:40:47 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-14-brainstuff-movie-theaters.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, movie theater, surround sound, 3d, digital sound 00:04:18 With all the recent technological breakthroughs, choosing the right movie theatre has become increasingly complex. Why? Listen in as Marshall breaks down the different sound and video technologies available in modern movie theaters. HowStuffWorks.com How can you drive across Antarctica? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-12-brainstuff-antarctic-expedition.mp3 Given that it's more than 2,000 miles across and without a gas station in sight, driving across Antarctica is a daunting task. Tune in as Marshall Brain explains how it works. Wed, 12 Jan 2011 18:32:28 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-12-brainstuff-antarctic-expedition.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, drive across antarctica, polar vehicle 00:03:53 Given that it's more than 2,000 miles across and without a gas station in sight, driving across Antarctica is a daunting task. Tune in as Marshall Brain explains how it works. HowStuffWorks.com What is the coolest stuff from the 2011 edition of CES? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-10-brainstuff-ces-2011.mp3 When it came to gadgets, the 2011 Consumer Electronics Show did not disappoint. But which new products were the coolest? Tune in as Marshall Brain breaks down the latest and greatest of the CES in this podcast. Mon, 10 Jan 2011 13:00:42 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-10-brainstuff-ces-2011.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, ces, consumer electronics show, 2011 00:08:01 When it came to gadgets, the 2011 Consumer Electronics Show did not disappoint. But which new products were the coolest? Tune in as Marshall Brain breaks down the latest and greatest of the CES in this podcast. HowStuffWorks.com Is there an easy way to understand how time zones work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-07-brainstuff-time-zones.mp3 There are 24 different time zones -- but why do we have them? In this podcast, Marshall recounts how society evolved time zones, and also gives you an easy way to model the structure of time zones across the globe. Fri, 07 Jan 2011 14:19:21 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-07-brainstuff-time-zones.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, time zones, GMT, new year's, global time 00:05:41 There are 24 different time zones -- but why do we have them? In this podcast, Marshall recounts how society evolved time zones, and also gives you an easy way to model the structure of time zones across the globe. HowStuffWorks.com Do Power Balance Wristbands really work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-05-brainstuff-power-balance.mp3 Do Power Balance Wristbands really work? Find out in this BrainStuff podcast by Marshall Brain. Wed, 05 Jan 2011 15:59:56 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-05-brainstuff-power-balance.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Marshall brain, power balance wristband, power balance bracelet, balance, scam 00:05:29 Do Power Balance Wristbands really work? Find out in this BrainStuff podcast by Marshall Brain. HowStuffWorks.com Why are West Coast waves bigger than East Coast waves? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-03-brainstuff-waves.mp3 The West Coast of the United States seems to produce bigger, more impressive waves than the East Coast. But why? In this episode, Marshall explains the various factors that make West Coast waves bigger and better. Mon, 03 Jan 2011 09:05:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2011-01-03-brainstuff-waves.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, West Coast, East Coast, waves, fetch, oceanography 00:04:20 The West Coast of the United States seems to produce bigger, more impressive waves than the East Coast. But why? In this episode, Marshall explains the various factors that make West Coast waves bigger and better. HowStuffWorks.com Why use a humidifier in your home in the winter? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-31-brainstuff-humidifiers.mp3 Lots of people use humidifiers in their homes, especially in winter. But why? Marshall discusses some advantages of using humidifiers (and disadvantages of not using them) and different types of home humidifiers. Fri, 31 Dec 2010 06:06:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-31-brainstuff-humidifiers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, console humidifier, humidifiers, dry winter air, humidity 00:03:46 Lots of people use humidifiers in their homes, especially in winter. But why? Marshall discusses some advantages of using humidifiers (and disadvantages of not using them) and different types of home humidifiers. HowStuffWorks.com Tiny Houses http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-24-brainstuff-tiny-house.mp3 Tiny houses are part of a growing trend, but why would someone want an itty bitty house? In this episode, Marshall talks about the benefits and challenges of building a tiny home. Fri, 24 Dec 2010 00:56:26 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-24-brainstuff-tiny-house.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, tiny houses, Popomo, building a tiny house 00:03:38 Tiny houses are part of a growing trend, but why would someone want an itty bitty house? In this episode, Marshall talks about the benefits and challenges of building a tiny home. HowStuffWorks.com What is Schadenfreude? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-22-brainstuff-schadenfreude.mp3 Schadenfreude is a German word that means taking pleasure in someone else's pain. But it's not the same as sadism, as Marshall Brain explains in this episode. Wed, 22 Dec 2010 13:11:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-22-brainstuff-schadenfreude.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, Schadenfreude, compassion, taking pleasure in others' pain 00:03:36 Schadenfreude is a German word that means taking pleasure in someone else's pain. But it's not the same as sadism, as Marshall Brain explains in this episode. HowStuffWorks.com What is a cyberwar, and what tactics do cyber warriors use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-20-brainstuff-cyber-warfare.mp3 Modern warfare has expanded beyond its tradtional venues and tactics, infiltrating the world of cyberspace. In this episode, Marshall discusses the many forms of cyber warfare, from computer hacking to viruses. Mon, 20 Dec 2010 15:15:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-20-brainstuff-cyber-warfare.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cyber warfare, cyber warriors, dos attack, WikiLeaks 00:05:11 Modern warfare has expanded beyond its tradtional venues and tactics, infiltrating the world of cyberspace. In this episode, Marshall discusses the many forms of cyber warfare, from computer hacking to viruses. HowStuffWorks.com Is it possible to get free land and free houses in the U.S.? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-17-brainstuff-free-land.mp3 In the 1860s, the Homestead Act provided free land to settlers. Is there anything like that in 2010? In this episode, Marshall explains why and how it's possible to acquire land and houses for free -- or really cheaply -- in the United States today. Fri, 17 Dec 2010 16:42:07 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-17-brainstuff-free-land.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, Homestead Act, free land, free houses 00:05:50 In the 1860s, the Homestead Act provided free land to settlers. Is there anything like that in 2010? In this episode, Marshall explains why and how it's possible to acquire land and houses for free -- or really cheaply -- in the United States today. HowStuffWorks.com How does Nitroglycerin work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-15-brainstuff-nitro.mp3 What do you get when you combine acids and glycerin? Nitroglycerin! What is this substance used for, and why is it so unstable? In this episode, Marshall takes a look at the chemistry and explosive qualities of Nitrogyclerin. Wed, 15 Dec 2010 16:01:44 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-15-brainstuff-nitro.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nitroglycerin, liquid explosives, glycerin 00:02:32 What do you get when you combine acids and glycerin? Nitroglycerin! What is this substance used for, and why is it so unstable? In this episode, Marshall takes a look at the chemistry and explosive qualities of Nitrogyclerin. HowStuffWorks.com How does fusion power work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-13-brainstuff-fusion-power.mp3 Fusion reactors like the sun produce huge amounts of energy, so why aren't there fusion power plants everywhere? In this episode, Marshall explains the chemistry of fusion reactions and discusses how close fusion is to becoming a viable energy source. Mon, 13 Dec 2010 15:31:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-13-brainstuff-fusion-power.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fusion power, fusion reactor, hydrogen, helium 00:05:28 Fusion reactors like the sun produce huge amounts of energy, so why aren't there fusion power plants everywhere? In this episode, Marshall explains the chemistry of fusion reactions and discusses how close fusion is to becoming a viable energy source. HowStuffWorks.com Why is Friday the 13th considered unlucky? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-10-brainstuff-friday-the-13th.mp3 In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Marshall discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins. Fri, 10 Dec 2010 14:00:49 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-10-brainstuff-friday-the-13th.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, Friday the 13th superstitions, fear of Fridays 00:04:33 In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Marshall discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins. HowStuffWorks.com How does WikiLeaks work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-08-brainstuff-wikileaks.mp3 WikiLeaks is a controversial "not-for-profit media organization" that disseminates secret, leaked information to the public. But how exactly does this group work? And why does it exist? Marshall Brain takes a look at WikiLeaks in this episode. Wed, 08 Dec 2010 15:38:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-08-brainstuff-wikileaks.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, WikiLeaks, Julian Assange 00:04:51 WikiLeaks is a controversial "not-for-profit media organization" that disseminates secret, leaked information to the public. But how exactly does this group work? And why does it exist? Marshall Brain takes a look at WikiLeaks in this episode. HowStuffWorks.com Is there a way to make my sunglasses scratch-resistant? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-06-brainstuff-scratch-resist-coating.mp3 Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work. Mon, 06 Dec 2010 15:13:56 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-06-brainstuff-scratch-resist-coating.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, scratch-resistant sunglasses, half-silvered surface, reflective sunglasses, scratch-resistant 00:03:04 Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work. HowStuffWorks.com How valuable is exercise to your health? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-03-brainstuff-exercise-valuable.mp3 We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits. Fri, 03 Dec 2010 11:29:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-03-brainstuff-exercise-valuable.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, health benefits of exercise, exercise valuable 00:03:25 We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits. HowStuffWorks.com How can I make artificial snow in my backyard? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-01-brainstuff-backyard-snow.mp3 If you live in a cold enough climate, you can make fake snow just like they do for ski resorts. In this episode, Marshall shares two techniques for creating artificial snow in your own backyard -- and what to do if you live in a warm climate. Wed, 01 Dec 2010 13:21:39 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-12-01-brainstuff-backyard-snow.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, making artificial snow, fake snow 00:03:09 If you live in a cold enough climate, you can make fake snow just like they do for ski resorts. In this episode, Marshall shares two techniques for creating artificial snow in your own backyard -- and what to do if you live in a warm climate. HowStuffWorks.com What's the best way to back up a computer's hard disk? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-29-brainstuff-backup-hard-disk.mp3 Your computer's hard disk stores all your information, but what happens if it gets damaged or dies? In this episode, Marshall Brain explains why it's important to back up your hard disk and weighs the advantages and disadvantages of three backup methods. Mon, 29 Nov 2010 13:02:11 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-29-brainstuff-backup-hard-disk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, offsite backup, backing up a hard disk 00:06:40 Your computer's hard disk stores all your information, but what happens if it gets damaged or dies? In this episode, Marshall Brain explains why it's important to back up your hard disk and weighs the advantages and disadvantages of three backup methods. HowStuffWorks.com How do they create patterns in a baseball field? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-26-brainstuff-patterns-baseball-field.mp3 Groundskeepers at baseball fields create patterns using a process called lawn striping. Tune in to find out how this process works -- and how you can duplicate it to create designs in your own yard. Fri, 26 Nov 2010 00:35:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-26-brainstuff-patterns-baseball-field.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, patterns in a baseball field, lawn striping 00:02:51 Groundskeepers at baseball fields create patterns using a process called lawn striping. Tune in to find out how this process works -- and how you can duplicate it to create designs in your own yard. HowStuffWorks.com What are dissolvable stitches? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-24-brainstuff-dissolvable-stitches.mp3 Stitches have been used for centuries, but dissolvable ones are the most common these days. Why would you want stitches to dissolve, and how do they work? In this episode, Marshall discusses the benefits and features of absorbable sutures. Wed, 24 Nov 2010 12:12:43 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-24-brainstuff-dissolvable-stitches.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dissolvable stitches, absorbable sutures, non-absorbable sutures 00:03:26 Stitches have been used for centuries, but dissolvable ones are the most common these days. Why would you want stitches to dissolve, and how do they work? In this episode, Marshall discusses the benefits and features of absorbable sutures. HowStuffWorks.com How does a direct-injection 2-stroke engine work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-22-brainstuff-direct-injection-2-stroke.mp3 In a previous episode, Marshall explained how 4-stroke, direct-injection engines work; In this one, he takes a look at 2-stroke engines that utilize direct injection technology. Mon, 22 Nov 2010 16:15:41 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-22-brainstuff-direct-injection-2-stroke.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, direct injection 2-stroke engines, 4-stroke engines 00:05:43 In a previous episode, Marshall explained how 4-stroke, direct-injection engines work; In this one, he takes a look at 2-stroke engines that utilize direct injection technology. HowStuffWorks.com How do airport scanners work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-19-brainstuff-tsa-scanners.mp3 The new full-body scanners used at airports in the United States have caused a huge controversy -- but how do they work? In this episode, Marshall breaks down the science behind full-body scanners, along with the uproar they've caused. Fri, 19 Nov 2010 12:52:14 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-19-brainstuff-tsa-scanners.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, tsa scanner, full body scanner, airport security 00:08:15 The new full-body scanners used at airports in the United States have caused a huge controversy -- but how do they work? In this episode, Marshall breaks down the science behind full-body scanners, along with the uproar they've caused. HowStuffWorks.com Which 4G services are available in the U.S. today? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-17-brainstuff-4g-phone-systems-us.mp3 If you have a smart phone, you may be interested in 4G service for the data you receive. But which services are available, and which one will suit your needs? Listen in as Marshall Brain breaks down the differences between 4G services. Wed, 17 Nov 2010 11:24:33 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-17-brainstuff-4g-phone-systems-us.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 4G, phone, US, smartphone 00:03:03 If you have a smart phone, you may be interested in 4G service for the data you receive. But which services are available, and which one will suit your needs? Listen in as Marshall Brain breaks down the differences between 4G services. HowStuffWorks.com What are the fastest hard disks available today? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-15-brainstuff-fastest-hard-disk.mp3 Hard disk drives and connections have been getting faster and faster. In this episode, Marshall discusses the evolution of the hard disk and the shockingly fast drives available today. Mon, 15 Nov 2010 13:44:54 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-15-brainstuff-fastest-hard-disk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fastest hard disks 00:02:56 Hard disk drives and connections have been getting faster and faster. In this episode, Marshall discusses the evolution of the hard disk and the shockingly fast drives available today. HowStuffWorks.com What is an autograph worth? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-12-brainstuff-autographs.mp3 An autograph is a famous person's signature, but what determines how valuable it is? Marshall Brain discusses the relative value of autographs -- and what you can do to increase the value of your own signature. Fri, 12 Nov 2010 12:28:39 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-12-brainstuff-autographs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, what is an autography worth, autographs 00:04:19 An autograph is a famous person's signature, but what determines how valuable it is? Marshall Brain discusses the relative value of autographs -- and what you can do to increase the value of your own signature. HowStuffWorks.com How do terrorist bombs work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-10-brainstuff-terrorist-bombs.mp3 Terrorists have a new way of getting bombs into the United States: mailing them. In this episode, Marshall breaks down the science behind the types of bombs used by terrorists, and the explosive ingredients involved. Wed, 10 Nov 2010 15:53:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-10-brainstuff-terrorist-bombs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, terrorism, bomb, explosive, truck bomb, pipe bomb 00:05:47 Terrorists have a new way of getting bombs into the United States: mailing them. In this episode, Marshall breaks down the science behind the types of bombs used by terrorists, and the explosive ingredients involved. HowStuffWorks.com What is superconductivity? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-08-brainstuff-superconductors.mp3 Superconductive materials have no electrical resistance, but why is superconductivity a big deal? Marshall Brain explains the potential benefits and implications of superconductive materials, as well as how they work, in this episode. Mon, 08 Nov 2010 16:25:37 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-08-brainstuff-superconductors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, superconductivity, superconductors, electrical resistance, electrons, superconducting materials 00:05:16 Superconductive materials have no electrical resistance, but why is superconductivity a big deal? Marshall Brain explains the potential benefits and implications of superconductive materials, as well as how they work, in this episode. HowStuffWorks.com What is a fossil? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-05-brainstuff-fossils.mp3 Fossils provide us with an important picture of ancient life. But how is a fossil created, exactly? Marshall Brain breaks down the various natural processes behind fossilization in this episode. Fri, 05 Nov 2010 16:52:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-05-brainstuff-fossils.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fossils, fossilization, coprolite, fossilized animals, fossilized plants 00:05:22 Fossils provide us with an important picture of ancient life. But how is a fossil created, exactly? Marshall Brain breaks down the various natural processes behind fossilization in this episode. HowStuffWorks.com How do gasoline direct injection engines work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-03-brainstuff-gasoline-direct-injection.mp3 The latest improvement on the internal combustion engine is called gasoline direct injection. In this episode, Marshall explains how gasoline direct injection technology works -- and how soon we'll see it in production vehicles. Wed, 03 Nov 2010 16:03:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-03-brainstuff-gasoline-direct-injection.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, gasoline direct injection engines, internal combustion engines 00:05:27 The latest improvement on the internal combustion engine is called gasoline direct injection. In this episode, Marshall explains how gasoline direct injection technology works -- and how soon we'll see it in production vehicles. HowStuffWorks.com Do you have a hidden savant inside your brain? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-01-brainstuff-hidden-savant.mp3 Savant capabilities seem extraordinary, but what if they aren't? What if we all have amazing talents embedded in our brains? In this episode, Marshall discusses different techniques that have revealed savant-like qualities in ordinary people. Mon, 01 Nov 2010 13:29:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-11-01-brainstuff-hidden-savant.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hidden savant, transcranial magnetic stimulation, savants 00:05:05 Savant capabilities seem extraordinary, but what if they aren't? What if we all have amazing talents embedded in our brains? In this episode, Marshall discusses different techniques that have revealed savant-like qualities in ordinary people. HowStuffWorks.com What can you do to make yourself really unhappy? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-29-brainstuff-unhappy.mp3 There are lots of articles and research on happiness these days, but what about unhappiness? What makes us unhappy, and will avoiding it make us happy? In this episode, Marshall points out three behaviors that are sure to create unhappiness. Fri, 29 Oct 2010 18:01:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-29-brainstuff-unhappy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, happiness, unhappy, ways to make yourself unhappy 00:04:43 There are lots of articles and research on happiness these days, but what about unhappiness? What makes us unhappy, and will avoiding it make us happy? In this episode, Marshall points out three behaviors that are sure to create unhappiness. HowStuffWorks.com What does a modern smart house look like? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-27-brainstuff-smart-house.mp3 What makes a "smart" house so smart? These high-tech houses intelligently use resources and are responsive to the needs and habits of their occupants. Tune in to learn more. Wed, 27 Oct 2010 15:38:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-27-brainstuff-smart-house.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, smart houses, smart systems, green houses, resources 00:05:11 What makes a "smart" house so smart? These high-tech houses intelligently use resources and are responsive to the needs and habits of their occupants. Tune in to learn more. HowStuffWorks.com How does a Dippy Bird work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-25-brainstuff-dippy-bird.mp3 A Dippy Bird is a strange-looking novelty toy, but how does it work? Marshall Brain breaks down the surprisingly sophisticated mechanics of the Dippy Bird in this episode. Mon, 25 Oct 2010 12:52:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-25-brainstuff-dippy-bird.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dippy bird, novelty toys, methylene chloride, pressure 00:03:48 A Dippy Bird is a strange-looking novelty toy, but how does it work? Marshall Brain breaks down the surprisingly sophisticated mechanics of the Dippy Bird in this episode. HowStuffWorks.com What are motion cards and how do they work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-22-brainstuff-motion-cards.mp3 Motion cards, which have been around for decades, give the illusion of motion using multiple images and a special printing process. In this episode, Marshall discusses the technology behind motion cards and how it has improved over the years. Fri, 22 Oct 2010 14:41:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-22-brainstuff-motion-cards.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, matt, rachel, motion cards, lenticular printing, lenticule 00:02:57 Motion cards, which have been around for decades, give the illusion of motion using multiple images and a special printing process. In this episode, Marshall discusses the technology behind motion cards and how it has improved over the years. HowStuffWorks.com How do self-driving cars work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-20-brainstuff-self-driving-cars.mp3 Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars. Wed, 20 Oct 2010 12:26:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-20-brainstuff-self-driving-cars.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, self-driving cars, self-driving car technology 00:06:05 Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars. HowStuffWorks.com How does satellite Internet work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-18-brainstuff-satellite-internet.mp3 If you're trying to access the Internet in a very rural or remote place, satellite Internet is probably your best bet. In this episode, Marshall explains how satellite Internet works. Mon, 18 Oct 2010 13:00:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-18-brainstuff-satellite-internet.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, satellite Internet, Internet access, IP multicasting, rural 00:03:35 If you're trying to access the Internet in a very rural or remote place, satellite Internet is probably your best bet. In this episode, Marshall explains how satellite Internet works. HowStuffWorks.com How did instant cameras work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-15-brainstuff-instant-film.mp3 Instant cameras made it possible to see a photograph almost immediately after you'd taken it. But how? In this episode, Marshall explains the chemical processes behind regular and instant photographic film. Fri, 15 Oct 2010 14:54:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-15-brainstuff-instant-film.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, instant cameras, instant film, film developing process 00:06:42 Instant cameras made it possible to see a photograph almost immediately after you'd taken it. But how? In this episode, Marshall explains the chemical processes behind regular and instant photographic film. HowStuffWorks.com When you have an itch, what's happening under your skin? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-13-brainstuff-itching.mp3 Skin covers our bodies, so it's very easy for this delicate organ to get irritated. In this episode, Marshall explains why our bodies respond to irritants with an itching sensation -- and why we're programmed to scratch. Wed, 13 Oct 2010 16:11:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-13-brainstuff-itching.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why skin itches, itching, dermis, pruritus 00:03:16 Skin covers our bodies, so it's very easy for this delicate organ to get irritated. In this episode, Marshall explains why our bodies respond to irritants with an itching sensation -- and why we're programmed to scratch. HowStuffWorks.com Is it possible to carbonate your own water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-11-brainstuff-carbonated-water.mp3 If you enjoy drinking carbonated water, this episode's for you! Listen in as Marshall Brain explains how to make your own carbonated water at home for a fraction of the price you pay in stores. Mon, 11 Oct 2010 11:50:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-11-brainstuff-carbonated-water.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, carbonated water, carbonating your own water 00:06:35 If you enjoy drinking carbonated water, this episode's for you! Listen in as Marshall Brain explains how to make your own carbonated water at home for a fraction of the price you pay in stores. HowStuffWorks.com What is the difference between a hardwood and a softwood? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-08-brainstuff-hardwood-vs-softwood.mp3 When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode. Fri, 08 Oct 2010 16:21:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-08-brainstuff-hardwood-vs-softwood.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hardwood vs softwood, angiosperms, gymnosperms, plant reproduction 00:02:39 When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode. HowStuffWorks.com What is making my backyard sparkle at night? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-06-brainstuff-backyard-sparkle-spiders.mp3 One night, Marshall went outside with a headlight lamp on his head and discovered that his backyard was full of sparkling reflections. What were these sparkles? Discover the surprising answer in this episode. Wed, 06 Oct 2010 11:30:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-06-brainstuff-backyard-sparkle-spiders.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, headlighting for spiders, wolf spiders, sparkles, backyard 00:03:41 One night, Marshall went outside with a headlight lamp on his head and discovered that his backyard was full of sparkling reflections. What were these sparkles? Discover the surprising answer in this episode. HowStuffWorks.com How does CCC, the new form of CPR, work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-04-brainstuff-ccc.mp3 Continuous chest compression is an updated form of CPR that's much easier to administer -- and, studies suggest, more effective. In this episode, Marshall Brain explains how CCC works. Mon, 04 Oct 2010 11:56:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-04-brainstuff-ccc.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, CCC, CPR, continuous chest compression, new CPR 00:02:44 Continuous chest compression is an updated form of CPR that's much easier to administer -- and, studies suggest, more effective. In this episode, Marshall Brain explains how CCC works. HowStuffWorks.com How does a speedometer in an airplane work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-01-brainstuff-air-speed.mp3 Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft. Fri, 01 Oct 2010 10:01:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-10-01-brainstuff-air-speed.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, airplane speedometer, pitot tube 00:03:59 Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft. HowStuffWorks.com How do plastics work? What is actually in a plastic? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-29-brainstuff-plastics.mp3 Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains what plastics are made of. Wed, 29 Sep 2010 12:35:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-29-brainstuff-plastics.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, plastics, PVC, PET plastic, polyethylene 00:05:28 Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains what plastics are made of. HowStuffWorks.com How are movies stored on DVD discs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-27-brainstuff-dvd.mp3 How can you store an entire movie on one little DVD disc? It's all about compression! In this episode, Marshall explains the technical details and standards of video compression. Mon, 27 Sep 2010 11:26:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-27-brainstuff-dvd.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, DVD, movie storage, video compression, MPEG 00:04:18 How can you store an entire movie on one little DVD disc? It's all about compression! In this episode, Marshall explains the technical details and standards of video compression. HowStuffWorks.com What is a Nor'easter? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-24-brainstuff-noreaster.mp3 Nor'easters are storm systems that frequently occur in the eastern United States during winter. In this episode, Marshall explains where Nor'easters get their name, how they work and why some Nor'easters are more powerful than others. Fri, 24 Sep 2010 16:00:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-24-brainstuff-noreaster.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, Nor'easter, gulf stream, low pressure system, weather 00:03:06 Nor'easters are storm systems that frequently occur in the eastern United States during winter. In this episode, Marshall explains where Nor'easters get their name, how they work and why some Nor'easters are more powerful than others. HowStuffWorks.com Are all blood types needed for donation? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-22-brainstuff-blood-types.mp3 In this episode, Marshall explains how proteins determine your blood type -- and why blood types must match for blood transfusions to be successful. Wed, 22 Sep 2010 13:44:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-22-brainstuff-blood-types.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, blood types, blood donation, Rh factor, transfusion 00:04:42 In this episode, Marshall explains how proteins determine your blood type -- and why blood types must match for blood transfusions to be successful. HowStuffWorks.com Why don't they use normal air in race car tires? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-20-brainstuff-tire-nitrogen.mp3 Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles. Mon, 20 Sep 2010 14:04:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-20-brainstuff-tire-nitrogen.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, race car tires, nitrogen pressure, expansion, contraction 00:02:33 Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles. HowStuffWorks.com How can a car get 100 MPG? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-17-brainstuff-car-get-100-mpg.mp3 Created in the 1980s, the Avion is a car that can get more than 100 miles per gallon. In this episode, Marshall Brain talks about the factors that make the Avion so efficient -- and how the same techniques could be applied to production vehicles. Fri, 17 Sep 2010 12:01:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-17-brainstuff-car-get-100-mpg.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, car that gets 100 mpg, the Avion 00:04:53 Created in the 1980s, the Avion is a car that can get more than 100 miles per gallon. In this episode, Marshall Brain talks about the factors that make the Avion so efficient -- and how the same techniques could be applied to production vehicles. HowStuffWorks.com Why do cats have whiskers? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-15-brainstuff-cat-whiskers.mp3 Cat whiskers, also known as "tactile hairs," are very different from a cat's regular body hair. In this episode, Marshall explains how these hairs are unique and what cats use them for. Wed, 15 Sep 2010 13:53:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-15-brainstuff-cat-whiskers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why do cats have whiskers, tactile hairs 00:03:12 Cat whiskers, also known as "tactile hairs," are very different from a cat's regular body hair. In this episode, Marshall explains how these hairs are unique and what cats use them for. HowStuffWorks.com How do retractable roofs in convertible stadiums work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-13-brainstuff-retractable-roof-stadiums.mp3 Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode. Mon, 13 Sep 2010 10:57:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-13-brainstuff-retractable-roof-stadiums.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, retractable roofs, convertible stadiums, sports stadiums 00:05:57 Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode. HowStuffWorks.com How does large-scale power storage work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-10-brainstuff-power-storage.mp3 Wind farms and solar power plants are promising sources of renewable energy, but they're not as reliable as conventional power sources. In this episode, Marshall explains how large-scale storage technologies could make solar and wind power more viable. Fri, 10 Sep 2010 13:56:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-10-brainstuff-power-storage.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, large-scale power storage, solar energy, wind energy 00:05:17 Wind farms and solar power plants are promising sources of renewable energy, but they're not as reliable as conventional power sources. In this episode, Marshall explains how large-scale storage technologies could make solar and wind power more viable. HowStuffWorks.com What is Low-E glass? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-08-brainstuff-low-e-windows.mp3 Low-emissivity (Low-E) glass is a special, expensive type that blocks out ultraviolet and infrared light. This coated glass can help protect your furniture and improve the energy efficiency of your home, as Marshall Brain explains in this episode. Wed, 08 Sep 2010 12:09:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-08-brainstuff-low-e-windows.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, low-e glass, low emissivity glass, windows, insulation 00:06:04 Low-emissivity (Low-E) glass is a special, expensive type that blocks out ultraviolet and infrared light. This coated glass can help protect your furniture and improve the energy efficiency of your home, as Marshall Brain explains in this episode. HowStuffWorks.com How do big city shell and three-card monte games work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-06-brainstuff-3-card-monte.mp3 Shell games and three-card monte games are common sights in big cities, but did you know they're scams? Marshall explains the similar principles and tricks behind these "games" -- and why you can't win them -- in this episode. Mon, 06 Sep 2010 12:09:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-06-brainstuff-3-card-monte.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, big city, shell games, three-card monte, scams 00:05:34 Shell games and three-card monte games are common sights in big cities, but did you know they're scams? Marshall explains the similar principles and tricks behind these "games" -- and why you can't win them -- in this episode. HowStuffWorks.com Why is organic food more expensive than regular food? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-03-brainstuff-organic-food-prices.mp3 You've probably noticed that organic foods cost significantly more than non-organic ones, but have you ever wondered why? In this episode, Marshall Brain explains how higher production costs and other factors lead to higher prices in the grocery store. Fri, 03 Sep 2010 14:53:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-03-brainstuff-organic-food-prices.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, organic food prices, organic food more expensive 00:05:26 You've probably noticed that organic foods cost significantly more than non-organic ones, but have you ever wondered why? In this episode, Marshall Brain explains how higher production costs and other factors lead to higher prices in the grocery store. HowStuffWorks.com What makes NASCAR engines different from other engines? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-01-brainstuff-nascar-engines.mp3 NASCAR engines are built for maximum efficiency, and they're much more powerful than regular engines. Marshall Brain discusses five ways in which NASCAR engines differ from regular ones in this episode. Wed, 01 Sep 2010 12:33:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-09-01-brainstuff-nascar-engines.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, NASCAR engines, NASCAR, car engines, horsepower, displacement 00:04:57 NASCAR engines are built for maximum efficiency, and they're much more powerful than regular engines. Marshall Brain discusses five ways in which NASCAR engines differ from regular ones in this episode. HowStuffWorks.com Why do some doors open inward and some open outward? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-30-brainstuff-door-opening-direction.mp3 In personal residences, doors typically open inward; in public buildings, however, doors open outward. Why the difference? It's all about safety and security, as Marshall explains in this episode. Mon, 30 Aug 2010 12:33:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-30-brainstuff-door-opening-direction.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, doors, inward opening doors, outward opening doors 00:03:18 In personal residences, doors typically open inward; in public buildings, however, doors open outward. Why the difference? It's all about safety and security, as Marshall explains in this episode. HowStuffWorks.com Why is bamboo suddenly appearing in so many products? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-27-brainstuff-bamboo.mp3 These days, bamboo is used to make all sorts of products, from flooring and furniture to bicycle frames. In this episode, Marshall explains why bamboo is becoming so popular -- and the advantages of using it to create consumer goods. Fri, 27 Aug 2010 13:13:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-27-brainstuff-bamboo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, bamboo, bamboo products, bamboo flooring, bamboo furniture 00:04:52 These days, bamboo is used to make all sorts of products, from flooring and furniture to bicycle frames. In this episode, Marshall explains why bamboo is becoming so popular -- and the advantages of using it to create consumer goods. HowStuffWorks.com Why is a cell phone called a cell phone? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-25-brainstuff-cell-phone.mp3 Cellular phone systems divide areas of coverage into "cells," hence the name. Marshall Brain details how these systems work in this episode. Wed, 25 Aug 2010 15:02:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-25-brainstuff-cell-phone.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cell phones, mobile telephone switching office 00:03:59 Cellular phone systems divide areas of coverage into "cells," hence the name. Marshall Brain details how these systems work in this episode. HowStuffWorks.com How do they backlight LCD screens? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-23-brainstuff-lcd-backlight.mp3 In this episode, Marshall explains the two technologies that are used to backlight LCD panels. Mon, 23 Aug 2010 15:44:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-23-brainstuff-lcd-backlight.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, LCD backlights, fluorescent lamps, ccfls, LED technology 00:04:16 In this episode, Marshall explains the two technologies that are used to backlight LCD panels. HowStuffWorks.com How do polymer crystals work, and why do they absorb so much water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-20-brainstuff-polymer-crystals.mp3 Polymer crystals are extremely absorbent, and that's why you'll often find them in disposable diapers. Marshall explains how polymer crystals are able to absorb large quantities of liquids -- and keep you cool and dry -- in this episode. Fri, 20 Aug 2010 13:12:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-20-brainstuff-polymer-crystals.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, polymer crystals, diapers, superabsorbent polymers, evaporative cooling 00:02:31 Polymer crystals are extremely absorbent, and that's why you'll often find them in disposable diapers. Marshall explains how polymer crystals are able to absorb large quantities of liquids -- and keep you cool and dry -- in this episode. HowStuffWorks.com What is a vactrain? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-18-brainstuff-vactrain.mp3 Vactrains may be the next big thing in the evolution of high-speed transportation. In this episode, Marshall explains how vactrain systems will work, how close they are to becoming reality and the potential they have to impact global transportation. Wed, 18 Aug 2010 15:06:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-18-brainstuff-vactrain.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, vactrains, evacuated tube transport, transportation, high-speed trains 00:05:10 Vactrains may be the next big thing in the evolution of high-speed transportation. In this episode, Marshall explains how vactrain systems will work, how close they are to becoming reality and the potential they have to impact global transportation. HowStuffWorks.com How does asphalt work, and where does it come from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-16-brainstuff-asphalt.mp3 Asphalt is an extremely common, oil-derived material that's used to pave a majority of roads in the United States. Tune in to learn more about asphalt. Mon, 16 Aug 2010 13:31:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-16-brainstuff-asphalt.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, asphalt, paving roads, crude oil, recycling asphalt 00:04:59 Asphalt is an extremely common, oil-derived material that's used to pave a majority of roads in the United States. Tune in to learn more about asphalt. HowStuffWorks.com To maximize happiness, what should you spend money on? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-13-brainstuff-buying-happiness.mp3 They say that money can't buy happiness, but it can definitely contribute to your well-being. So what exactly should you spend your money on to maximize your happiness? Stuff? Experiences? Marshall Brain investigates in this episode. Fri, 13 Aug 2010 15:45:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-13-brainstuff-buying-happiness.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, happiness, spending money, money and happiness 00:04:44 They say that money can't buy happiness, but it can definitely contribute to your well-being. So what exactly should you spend your money on to maximize your happiness? Stuff? Experiences? Marshall Brain investigates in this episode. HowStuffWorks.com Where did the potato chip come from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-11-brainstuff-potato-chips.mp3 Potato chips were invented in 1853 by an American cook named George Crum, and they've been a popular food item ever since. Learn more about George Crum and the evolution of the potato chip in this episode of BrainStuff. Wed, 11 Aug 2010 14:11:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-11-brainstuff-potato-chips.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, george crum, potato chips, Saratoga chips 00:03:50 Potato chips were invented in 1853 by an American cook named George Crum, and they've been a popular food item ever since. Learn more about George Crum and the evolution of the potato chip in this episode of BrainStuff. HowStuffWorks.com How do smoke detectors intercommunicate? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-09-brainstuff-fire-alarm-intercommunicate.mp3 Some AC-powered smoke detectors are wired to communicate with each other. So when one unit is triggered, all of the units go off. Find out how this intercommunication works in this episode. Mon, 09 Aug 2010 15:20:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-09-brainstuff-fire-alarm-intercommunicate.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, smoke detectors intercommunicate, marshall, AC-powered smoke detectors 00:02:08 Some AC-powered smoke detectors are wired to communicate with each other. So when one unit is triggered, all of the units go off. Find out how this intercommunication works in this episode. HowStuffWorks.com How can I recover a deleted file from my computer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-06-brainstuff-delete-file.mp3 In many cases, it's possible to recover files that have been deleted by using your computer's Recycle Bin. Marshall Brain reveals ways to recover deleted files -- and how to erase them permanently -- in this episode. Fri, 06 Aug 2010 14:35:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-06-brainstuff-delete-file.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, recovering deleted files, hard drive utilities 00:03:35 In many cases, it's possible to recover files that have been deleted by using your computer's Recycle Bin. Marshall Brain reveals ways to recover deleted files -- and how to erase them permanently -- in this episode. HowStuffWorks.com What is Windows Safe Mode? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-04-brainstuff-windows-safe-mode.mp3 Safe Mode is a feature of the Windows operating system that allows users to load a limited version of the system in order to troubleshoot problems. Learn more about using Safe Mode in this episode. Wed, 04 Aug 2010 13:36:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-04-brainstuff-windows-safe-mode.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, Windows, safe mode, Windows operating systems 00:04:10 Safe Mode is a feature of the Windows operating system that allows users to load a limited version of the system in order to troubleshoot problems. Learn more about using Safe Mode in this episode. HowStuffWorks.com What makes us yawn? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-02-brainstuff-yawn.mp3 Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode. Mon, 02 Aug 2010 11:42:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-08-02-brainstuff-yawn.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why do we yawn, yawning 00:04:05 Yawning is a universal human behavior, yet scientists still don't know exactly why we do it or what purpose it serves. Marshall Brain explores some of the theories behind yawning in this episode. HowStuffWorks.com What is a digital signature? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-30-brainstuff-digital-signature.mp3 A digital signature is a way to authenticate electronic documents. Find out what 'authentic' means in this context -- and how encryption is involved in the authentication process -- in this episode. Fri, 30 Jul 2010 13:18:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-30-brainstuff-digital-signature.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, digital signature, authentication, encryption, checksum, digital certificates 00:05:09 A digital signature is a way to authenticate electronic documents. Find out what 'authentic' means in this context -- and how encryption is involved in the authentication process -- in this episode. HowStuffWorks.com Will a really big earthquake sink Western California? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-28-brainstuff-fault-lines.mp3 Given California's history of earthquakes and major fault lines, it's not surprising that people speculate about parts of California breaking off into the ocean. Fortunately, seismic forces don't work that way, as Marshall Brain explains in this episode. Wed, 28 Jul 2010 12:06:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-28-brainstuff-fault-lines.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, will an earthquake sink california, fault lines 00:06:25 Given California's history of earthquakes and major fault lines, it's not surprising that people speculate about parts of California breaking off into the ocean. Fortunately, seismic forces don't work that way, as Marshall Brain explains in this episode. HowStuffWorks.com What are electrolytes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-26-brainstuff-electrolytes.mp3 What are electrolytes, and why do athletes and sick kids need them? Marshall Brain explains how ions and electrolytes work in your body in this episode. Mon, 26 Jul 2010 12:58:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-26-brainstuff-electrolytes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, electrolytes, sports drinks, ions, bodily fluids 00:02:47 What are electrolytes, and why do athletes and sick kids need them? Marshall Brain explains how ions and electrolytes work in your body in this episode. HowStuffWorks.com Why can biting on aluminum foil be painful? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-23-brainstuff-aluminum-foil-teeth.mp3 When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Marshall Brain explains how the voltaic effect plays out in your mouth in this episode. Fri, 23 Jul 2010 14:09:13 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-23-brainstuff-aluminum-foil-teeth.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, biting aluminum foil, painful, voltaic effect, voltage 00:02:29 When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Marshall Brain explains how the voltaic effect plays out in your mouth in this episode. HowStuffWorks.com What exactly is jello made from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-21-brainstuff-jello.mp3 Jello is tasty, colorful and fun to eat, but what's in it? One of its ingredients, gelatin, comes from animals. Marshall Brain breaks down the chemistry of jello and gelatin in this episode. Wed, 21 Jul 2010 14:33:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-21-brainstuff-jello.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, jello, gelatin, collagen, collagen proteins, polypeptide chains 00:04:58 Jello is tasty, colorful and fun to eat, but what's in it? One of its ingredients, gelatin, comes from animals. Marshall Brain breaks down the chemistry of jello and gelatin in this episode. HowStuffWorks.com What does it mean when a car has dual overhead cams? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-19-brainstuff-dohc.mp3 A camshaft plays an integral role in the functioning of an engine. And dual overhead cams ramp up a machine's performance even more. Find out how dual overhead camshafts work in this episode. Mon, 19 Jul 2010 13:37:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-19-brainstuff-dohc.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dual overhead cams, camshafts, cylinders, valves, dohc 00:03:12 A camshaft plays an integral role in the functioning of an engine. And dual overhead cams ramp up a machine's performance even more. Find out how dual overhead camshafts work in this episode. HowStuffWorks.com How do self-cleaning ovens work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-16-brainstuff-self-cleaning-oven.mp3 What does it take for an oven to clean itself? A whole lot of heat! Marshall Brain explains how these special ovens use intense temperatures to burn off baking spills and debris in this episode. Fri, 16 Jul 2010 15:59:04 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-16-brainstuff-self-cleaning-oven.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, self-cleaning ovens, ovens, baking 00:02:31 What does it take for an oven to clean itself? A whole lot of heat! Marshall Brain explains how these special ovens use intense temperatures to burn off baking spills and debris in this episode. HowStuffWorks.com Why can you hear the ocean in a seashell? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-14-brainstuff-seashell-sound.mp3 There are various theories about why you can hear ocean-like sounds when you hold a seashell up to your ear. Marshall Brain explains what you're probably hearing in that seashell -- and why you don't need a shell to hear it -- in this episode. Wed, 14 Jul 2010 11:45:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-14-brainstuff-seashell-sound.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, hear the ocean in a seashell, seashell 00:02:54 There are various theories about why you can hear ocean-like sounds when you hold a seashell up to your ear. Marshall Brain explains what you're probably hearing in that seashell -- and why you don't need a shell to hear it -- in this episode. HowStuffWorks.com How do flies breathe? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-12-brainstuff-fly-respiration.mp3 Insects like flies have a very different respiratory system than we do. Learn more about how flies and insects breathe in this episode. Mon, 12 Jul 2010 15:17:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-12-brainstuff-fly-respiration.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fly respiration, insect respiration, how flies breathe 00:02:29 Insects like flies have a very different respiratory system than we do. Learn more about how flies and insects breathe in this episode. HowStuffWorks.com How can water cut through steel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-09-brainstuff-waterjet.mp3 Waterjets are tools that use highly pressurized, focused streams of water to cut through metal and other solid materials. Learn more about waterjets in this episode. Fri, 09 Jul 2010 11:54:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-09-brainstuff-waterjet.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, waterjet, cutting steel with water 00:03:25 Waterjets are tools that use highly pressurized, focused streams of water to cut through metal and other solid materials. Learn more about waterjets in this episode. HowStuffWorks.com What makes your arms, legs and feet fall asleep? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-07-brainstuff-falling-asleep.mp3 When you put prolonged pressure on your feet, arms or legs, you temporarily cut off or scramble communications between your brain and your body parts. Marshall explains exactly what happens when body parts "fall sleep" in this episode. Wed, 07 Jul 2010 14:06:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-07-brainstuff-falling-asleep.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, sleeping body parts, nerve fibers, brainstuff 00:03:34 When you put prolonged pressure on your feet, arms or legs, you temporarily cut off or scramble communications between your brain and your body parts. Marshall explains exactly what happens when body parts "fall sleep" in this episode. HowStuffWorks.com Where does cork come from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-05-brainstuff-cork.mp3 Most cork comes from special trees that grow in places near the Mediterranean Sea. Learn more about cork oak trees, cork properties, cork products and cork processing in this episode. Mon, 05 Jul 2010 17:25:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-05-brainstuff-cork.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, cork, cork oak, cork bottle stoppers 00:03:27 Most cork comes from special trees that grow in places near the Mediterranean Sea. Learn more about cork oak trees, cork properties, cork products and cork processing in this episode. HowStuffWorks.com What happens when pregnant women smoke cigarettes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-02-brainstuff-baby-nicotine.mp3 When pregnant women smoke, they expose their developing babies to a host of addictive, harmful chemicals. In this episode, Marshall Brain explains how nicotine and other compounds found in cigarettes affect developing fetuses. Fri, 02 Jul 2010 10:56:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-07-02-brainstuff-baby-nicotine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, pregnant, cigarettes, nicotine babies, smoking during pregnancy 00:03:32 When pregnant women smoke, they expose their developing babies to a host of addictive, harmful chemicals. In this episode, Marshall Brain explains how nicotine and other compounds found in cigarettes affect developing fetuses. HowStuffWorks.com What is an IP address? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-30-brainstuff-ip-addresses.mp3 Every computer that's connected to the Internet has its own unique "address." Tune in as Marshall explains how IP addresses work -- and how many of them exist -- in this episode. Wed, 30 Jun 2010 13:20:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-30-brainstuff-ip-addresses.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, ip address, octet, internet protocol, Pv6, binary 00:03:08 Every computer that's connected to the Internet has its own unique "address." Tune in as Marshall explains how IP addresses work -- and how many of them exist -- in this episode. HowStuffWorks.com Why is cotton more absorbent than nylon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-28-brainstuff-cotton-nylon.mp3 When water comes in contact with the complex molecules that make up cotton and nylon, it causes a different action in each material -- but why? Listen in as Marshall Brain breaks down the science behind water absorption in this podcast. Mon, 28 Jun 2010 11:45:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-28-brainstuff-cotton-nylon.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, cotton, nylon, water absorption 00:03:27 When water comes in contact with the complex molecules that make up cotton and nylon, it causes a different action in each material -- but why? Listen in as Marshall Brain breaks down the science behind water absorption in this podcast. HowStuffWorks.com How does disk defragmentation work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-25-brainstuff-disk-defrag.mp3 The term 'disk defrag' usually refers to the Windows utility known as the disk defragmenter. But what exactly is this thing, and how does it work? Tune in as Marshall Brain explains disk defragmentation in this podcast. Fri, 25 Jun 2010 12:45:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-25-brainstuff-disk-defrag.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, brainstuff, disk defragment 00:03:46 The term 'disk defrag' usually refers to the Windows utility known as the disk defragmenter. But what exactly is this thing, and how does it work? Tune in as Marshall Brain explains disk defragmentation in this podcast. HowStuffWorks.com Can nasal sprays be addictive? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-23-brainstuff-nasal-sprays.mp3 Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode. Wed, 23 Jun 2010 13:56:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-23-brainstuff-nasal-sprays.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nasal sprays addictive, nasal sprays, rebound congestion 00:03:51 Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode. HowStuffWorks.com How do astronauts function in their spacesuits? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-21-brainstuff-spacesuit-eating.mp3 Astronauts wear special suits while they're working in space, and these spacewalks can last for hours. In this episode, Marshall Brain explains how astronauts take care of their basic needs while wearing spacesuits. Mon, 21 Jun 2010 13:00:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-21-brainstuff-spacesuit-eating.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall, EMU, spacesuit functions, astronauts, MAG, IDB 00:02:26 Astronauts wear special suits while they're working in space, and these spacewalks can last for hours. In this episode, Marshall Brain explains how astronauts take care of their basic needs while wearing spacesuits. HowStuffWorks.com Is there a way to compare a human being to an engine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-18-brainstuff-human-efficiency.mp3 Human muscles are essentially biological engines. In terms of efficiency, biological engines are amazing. Listen in as Marshall Brain calculates human efficiency in this episode. Fri, 18 Jun 2010 16:08:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-18-brainstuff-human-efficiency.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, human efficiency, biological engine 00:02:38 Human muscles are essentially biological engines. In terms of efficiency, biological engines are amazing. Listen in as Marshall Brain calculates human efficiency in this episode. HowStuffWorks.com How do people pull large objects with their teeth? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-16-brainstuff-teeth-pull.mp3 Marshall Brain explains the physics behind pulling large objects with your teeth in this episode. Wed, 16 Jun 2010 15:26:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-16-brainstuff-teeth-pull.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, pulling large objects with teeth 00:04:14 Marshall Brain explains the physics behind pulling large objects with your teeth in this episode. HowStuffWorks.com Why does a manual transmission make a whirring noise? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-14-brainstuff-manual-transmission-whir.mp3 When manual transmissions are put in reverse, they produce a loud, whirring noise. What's the culprit? Gears. Marshall Brain explains how helical and spur gears work in manual transmissions in this episode. Mon, 14 Jun 2010 16:05:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-14-brainstuff-manual-transmission-whir.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, manual transmission whir, helical gear, spur gear 00:02:41 When manual transmissions are put in reverse, they produce a loud, whirring noise. What's the culprit? Gears. Marshall Brain explains how helical and spur gears work in manual transmissions in this episode. HowStuffWorks.com Why do human beings have eyebrows? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-11-brainstuff-eyebrows.mp3 Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode. Fri, 11 Jun 2010 12:33:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-11-brainstuff-eyebrows.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why do we have eyebrows 00:02:27 Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode. HowStuffWorks.com Where do salad dressings get their bizarre names? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-09-brainstuff-salad-dressing.mp3 Salad dressings like Ranch and Thousand Island are traditional favorites, but have you ever wondered how they got their names? Marshall Brain reveals what salad dressings are made of -- and where their famous names came from -- in this episode. Wed, 09 Jun 2010 14:50:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-09-brainstuff-salad-dressing.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, salad dressing names, salad dressing, thousand island 00:04:20 Salad dressings like Ranch and Thousand Island are traditional favorites, but have you ever wondered how they got their names? Marshall Brain reveals what salad dressings are made of -- and where their famous names came from -- in this episode. HowStuffWorks.com What is a funicular railway? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-07-brainstuff-funicular.mp3 A funicular railway combines the technology of an elevator and a train. Find out how these fascinating railways work -- and how old they are -- in this episode. Mon, 07 Jun 2010 14:32:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-07-brainstuff-funicular.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, funicular railway, incline railway 00:03:44 A funicular railway combines the technology of an elevator and a train. Find out how these fascinating railways work -- and how old they are -- in this episode. HowStuffWorks.com What do the symbols on the U.S. one-dollar bill mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-04-brainstuff-dollar-bill.mp3 If you've ever looked carefully at a U.S. one-dollar bill, you've probably noticed some mysterious symbols and Latin phrases. What do these symbols stand for? Why are they on there? Marshall Brain breaks it down for you in this episode. Fri, 04 Jun 2010 16:34:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-04-brainstuff-dollar-bill.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, symbols one-dollar bill, united states seal 00:04:34 If you've ever looked carefully at a U.S. one-dollar bill, you've probably noticed some mysterious symbols and Latin phrases. What do these symbols stand for? Why are they on there? Marshall Brain breaks it down for you in this episode. HowStuffWorks.com Why do feet stink? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-02-brainstuff-feet-sweat.mp3 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. Wed, 02 Jun 2010 15:06:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-06-02-brainstuff-feet-sweat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, why do feet stink, feet sweat 00:02:44 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. HowStuffWorks.com What does "not guilty by reason of insanity" mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-31-brainstuff-insanity-plea.mp3 Claiming the "insanity defense" in fictional courts of law is common and seems pretty straightforward; in real life, it's much more rare and complex. Discover the legal definition of "insanity" -- and how it relates to mental illness -- in this episode. Mon, 31 May 2010 10:35:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-31-brainstuff-insanity-plea.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, not guilty by reason of insanity, court 00:05:10 Claiming the "insanity defense" in fictional courts of law is common and seems pretty straightforward; in real life, it's much more rare and complex. Discover the legal definition of "insanity" -- and how it relates to mental illness -- in this episode. HowStuffWorks.com Why shouldn't you go swimming right after a meal? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-28-brainstuff-swim-eat.mp3 As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat. Fri, 28 May 2010 14:03:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-28-brainstuff-swim-eat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, swimming after eating, swimming cramps after eating 00:03:41 As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat. HowStuffWorks.com What's the best way to get Twitter or Facebook followers? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-26-brainstuff-twitter.mp3 In this episode, Marshall Brain launches the first of a series of experiments with social media. Tune in to learn more about the new BrainStuff Twitter and Facebook accounts and Marshall's social media experiments. Wed, 26 May 2010 15:51:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-26-brainstuff-twitter.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, twitter, facebook, social media followers, social media 00:02:33 In this episode, Marshall Brain launches the first of a series of experiments with social media. Tune in to learn more about the new BrainStuff Twitter and Facebook accounts and Marshall's social media experiments. HowStuffWorks.com How does safety glass work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-24-brainstuff-safety-glass.mp3 Laminated safety glass has been around since the 1920s. Find out how safety glass is made, how it works and what it's used for in this episode of BrainStuff. Mon, 24 May 2010 17:06:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-24-brainstuff-safety-glass.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, safety glass, autoglass, laminated safety glass 00:03:21 Laminated safety glass has been around since the 1920s. Find out how safety glass is made, how it works and what it's used for in this episode of BrainStuff. HowStuffWorks.com How do thirty pounds of air in your tires hold up two tons of car? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-21-brainstuff-tire-pressure.mp3 Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode. Fri, 21 May 2010 12:53:13 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-21-brainstuff-tire-pressure.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, tire pressure, contact patch, run flat tires 00:03:09 Cars are heavy machines, so how can a few small, pressurized tires support their weight? Marshall Brain explains how tire pressure and contact patches work in this episode. HowStuffWorks.com Why do Wint-O-Green Life Savers spark in the dark? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-19-brainstuff-sparking-lifesavers.mp3 If you've ever bitten into a Wint-O-Green Life Saver candy in the dark, you've probably noticed an accompanying spark of light. Marshall Brain explains the chemistry behind this phenomenon, called triboluminescence, in this episode. Wed, 19 May 2010 12:16:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-19-brainstuff-sparking-lifesavers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, triboluminescence, wint-o-green life savers spark, methyl salicylate 00:02:39 If you've ever bitten into a Wint-O-Green Life Saver candy in the dark, you've probably noticed an accompanying spark of light. Marshall Brain explains the chemistry behind this phenomenon, called triboluminescence, in this episode. HowStuffWorks.com How does a credit card's magnetic stripe work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-17-brainstuff-magstripe.mp3 The magnetic stripe on the back of the card plays a key role in transactions made by credit card. Learn more about how these "mag stripes" work in this episode of BrainStuff. Mon, 17 May 2010 15:30:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-17-brainstuff-magstripe.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, credit card magnetic stripe, mag stripe 00:04:33 The magnetic stripe on the back of the card plays a key role in transactions made by credit card. Learn more about how these "mag stripes" work in this episode of BrainStuff. HowStuffWorks.com When I pay for groceries by check, where does that check go? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-14-brainstuff-checks.mp3 When you write a check to purchase goods and services, it passes through the hands of several banks before the process is complete. Marshall explains how checks are processed through intermediary banks in this episode. Fri, 14 May 2010 13:21:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-14-brainstuff-checks.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, checks, reserve banks, correspondent banks, clearinghouse banks 00:04:50 When you write a check to purchase goods and services, it passes through the hands of several banks before the process is complete. Marshall explains how checks are processed through intermediary banks in this episode. HowStuffWorks.com What is a blowout preventer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-12-brainstuff-blowout-preventers.mp3 The massive oil spill currently flooding the Gulf of Mexico should have been prevented by a fail-safe device called a Blowout Preventer, or BOP. Find out how this safety mechanism is supposed to work -- and why it didn't -- in this episode. Wed, 12 May 2010 15:09:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-12-brainstuff-blowout-preventers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, blowout preventer, gulf of mexico oil spill 00:04:54 The massive oil spill currently flooding the Gulf of Mexico should have been prevented by a fail-safe device called a Blowout Preventer, or BOP. Find out how this safety mechanism is supposed to work -- and why it didn't -- in this episode. HowStuffWorks.com Why is a popsicle called a quiescently frozen confection? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-10-brainstuff-popsicle.mp3 Popsicles are also called "quiescently frozen confections" because of the way they're frozen. Learn more about how flavored ice treats are made -- and what distinguishes them from ice cream -- in this episode. Mon, 10 May 2010 14:48:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-10-brainstuff-popsicle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, popsicle, quiescently frozen confection, overrunning, ice cream 00:02:30 Popsicles are also called "quiescently frozen confections" because of the way they're frozen. Learn more about how flavored ice treats are made -- and what distinguishes them from ice cream -- in this episode. HowStuffWorks.com How does the ball return work on a pool table? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-07-brainstuff-pool-ball-return.mp3 If you've ever played a coin-operated pool table, then you've probably noticed that the table can sense the difference between the cue ball and the other balls in play. But how does this work? Tune in and find out in this podcast. Fri, 07 May 2010 14:57:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-07-brainstuff-pool-ball-return.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, pool ball return, pool table 00:03:52 If you've ever played a coin-operated pool table, then you've probably noticed that the table can sense the difference between the cue ball and the other balls in play. But how does this work? Tune in and find out in this podcast. HowStuffWorks.com Where's the best place to sit in a movie theater? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-05-brainstuff-best-movie-seat.mp3 When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit -- in this episode. Wed, 05 May 2010 15:36:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-05-brainstuff-best-movie-seat.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, best movie seat, brainstuff 00:02:27 When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit -- in this episode. HowStuffWorks.com Is it harmful to breathe 100-percent oxygen? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-03-brainstuff-oxygen.mp3 Oxygen is a necessary component of the air we breathe; but in its pure form, it can be hazardous to one's health. Marshall Brain explains how breathing pure oxygen harms the human body in this episode. Mon, 03 May 2010 14:40:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-05-03-brainstuff-oxygen.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, 100-percent oxygen, breathing pure oxygen dangerous 00:04:25 Oxygen is a necessary component of the air we breathe; but in its pure form, it can be hazardous to one's health. Marshall Brain explains how breathing pure oxygen harms the human body in this episode. HowStuffWorks.com How does a CB radio antenna work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-30-brainstuff-cb-antenna.mp3 A citizens band (CB) radio is often used by truck drivers to communicate while on the road, but how does it work? Marshall Brain gives a detailed explanation of how a CB radio's antenna works in this episode. Fri, 30 Apr 2010 10:37:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-30-brainstuff-cb-antenna.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, cb radio antenna, impedance, radio frequencies 00:04:31 A citizens band (CB) radio is often used by truck drivers to communicate while on the road, but how does it work? Marshall Brain gives a detailed explanation of how a CB radio's antenna works in this episode. HowStuffWorks.com Why does the moon look bigger when it's near the horizon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-28-brainstuff-moon-illusion.mp3 When the moon is near the horizon, it appears to be much bigger than when it's high in the sky. But is it really larger? Tune in to find out. Wed, 28 Apr 2010 15:27:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-28-brainstuff-moon-illusion.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, moon illusion, shape constancy, size constancy 00:03:12 When the moon is near the horizon, it appears to be much bigger than when it's high in the sky. But is it really larger? Tune in to find out. HowStuffWorks.com How does residential real estate work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-26-brainstuff-real-estate.mp3 There are many different types of residential real estate: traditional houses, condos, mobile homes, etc. But what's the difference between these types? Marshall Brain breaks it down for you in this episode of BrainStuff. Mon, 26 Apr 2010 12:18:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-26-brainstuff-real-estate.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, residential real estate, co-op, townhome 00:05:31 There are many different types of residential real estate: traditional houses, condos, mobile homes, etc. But what's the difference between these types? Marshall Brain breaks it down for you in this episode of BrainStuff. HowStuffWorks.com What are chiggers, and how do they bite you? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-23-brainstuff-chiggers.mp3 If you go outdoors during the right time of year, you may be bitten by chiggers. But what are these creatures, and why do they attack unsuspecting humans? Listen in as Marshall Brain breaks down the life cycle of the chigger -- and how it can affect you. Fri, 23 Apr 2010 16:32:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-23-brainstuff-chiggers.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, chiggers, mites 00:03:53 If you go outdoors during the right time of year, you may be bitten by chiggers. But what are these creatures, and why do they attack unsuspecting humans? Listen in as Marshall Brain breaks down the life cycle of the chigger -- and how it can affect you. HowStuffWorks.com How big does a meteor have to be to reach the ground? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-21-brainstuff-meteors.mp3 If you've spent much time looking up at the night sky, then you've probably seen some spectacular meteor showers. But how big do these things have to be make it through Earth's atmosphere and reach the ground? Tune in and find out. Wed, 21 Apr 2010 17:46:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-21-brainstuff-meteors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall brain, meteor, meteor impact 00:04:57 If you've spent much time looking up at the night sky, then you've probably seen some spectacular meteor showers. But how big do these things have to be make it through Earth's atmosphere and reach the ground? Tune in and find out. HowStuffWorks.com Is the sound on vinyl records better than on CDs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-19-brainstuff-cd-vs-vinyl.mp3 The sound quality of vinyl records is sometimes better than that of CDs and DVDs -- and sometimes worse. Learn more about the difference between the sound quality of records, CDs and DVDs in this episode. Mon, 19 Apr 2010 14:20:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-19-brainstuff-cd-vs-vinyl.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, vinyl records vs cds, analog, digital 00:03:03 The sound quality of vinyl records is sometimes better than that of CDs and DVDs -- and sometimes worse. Learn more about the difference between the sound quality of records, CDs and DVDs in this episode. HowStuffWorks.com How does high-speed rail work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-16-brainstuff-high-speed-rail.mp3 Although it's common in some countries, high-speed rail service isn't available in the United States -- yet. Tune in to learn more about this swift rail service -- and how soon we're likely to have it in the U.S. -- in this episode. Fri, 16 Apr 2010 10:52:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-16-brainstuff-high-speed-rail.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, high-speed rail, amtrak acela, dedicated high-speed tracks 00:05:11 Although it's common in some countries, high-speed rail service isn't available in the United States -- yet. Tune in to learn more about this swift rail service -- and how soon we're likely to have it in the U.S. -- in this episode. HowStuffWorks.com How do you decaffeinate coffee and tea? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-14-brainstuff-decaff.mp3 There are multiple methods of removing caffeine from naturally caffeinated plant products. Learn more about these processes -- and how much caffeine they really remove -- in this episode. Wed, 14 Apr 2010 10:53:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-14-brainstuff-decaff.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, brainstuff, decaffeination process, decaf tea, decaf coffee 00:04:16 There are multiple methods of removing caffeine from naturally caffeinated plant products. Learn more about these processes -- and how much caffeine they really remove -- in this episode. HowStuffWorks.com Why can't a couch potato run a marathon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-12-brainstuff-athletes.mp3 Intuitively, it makes sense that a trained athlete can run a marathon easily, while a "couch potato" can barely run a mile. But what's the biology behind it? Find out how fit and unfit bodies respond to exercise in this episode. Mon, 12 Apr 2010 17:02:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-12-brainstuff-athletes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, couch potato, exercise, marathon, aerobic metabolism 00:04:05 Intuitively, it makes sense that a trained athlete can run a marathon easily, while a "couch potato" can barely run a mile. But what's the biology behind it? Find out how fit and unfit bodies respond to exercise in this episode. HowStuffWorks.com How do I know if my catalytic converter has failed? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-09-brainstuff-failed-catalytic-converter.mp3 An automobile's catalytic converter uses a catalyst to convert harmful exhaust fumes into harmless ones. Find out what happens when your catalytic converter stops working properly -- and how you can tell -- in this episode. Fri, 09 Apr 2010 13:53:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-09-brainstuff-failed-catalytic-converter.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, failed catalytic converter, catalytic converter 00:02:58 An automobile's catalytic converter uses a catalyst to convert harmful exhaust fumes into harmless ones. Find out what happens when your catalytic converter stops working properly -- and how you can tell -- in this episode. HowStuffWorks.com How much coal does a light bulb need to run for a year? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-07-brainstuff-coal-bulb.mp3 How much coal do you need to run a 100-watt light bulb 24 hours a day for a year? Find out in this episode of BrainStuff. Wed, 07 Apr 2010 14:50:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-07-brainstuff-coal-bulb.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, 100-watt light bulb, kilowatt-hours, coal 00:03:11 How much coal do you need to run a 100-watt light bulb 24 hours a day for a year? Find out in this episode of BrainStuff. HowStuffWorks.com What is the Strategic Petroleum Reserve? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-05-brainstuff-petroleum-reserve.mp3 The Strategic Petroleum Reserve is the world's largest emergency oil stockpile. Find out why the United States created this reserve -- and where the oil is stored -- in this episode. Mon, 05 Apr 2010 13:37:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-05-brainstuff-petroleum-reserve.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, strategic petroleum reserve, marshall brain, brainstuff, oil reserve 00:02:48 The Strategic Petroleum Reserve is the world's largest emergency oil stockpile. Find out why the United States created this reserve -- and where the oil is stored -- in this episode. HowStuffWorks.com How does bulletproof glass work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-02-brainstuff-bulletproof-glass.mp3 Bullet-resistant glass, commonly referred to as "bulletproof," is a special type of glass designed to resist bullets. Tune in to this episode to learn how different types of bullet-resistant glass work. Fri, 02 Apr 2010 11:06:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-04-02-brainstuff-bulletproof-glass.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, lamination, bullet-resistant glass, polycarbonate, bulletproof glass 00:03:11 Bullet-resistant glass, commonly referred to as "bulletproof," is a special type of glass designed to resist bullets. Tune in to this episode to learn how different types of bullet-resistant glass work. HowStuffWorks.com What causes the smell after rain? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-31-brainstuff-rain-smell.mp3 The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out. Wed, 31 Mar 2010 16:13:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-31-brainstuff-rain-smell.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, bacteria, rainfall, rain smell 00:03:54 The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out. HowStuffWorks.com What would happen if the polar ice caps melted? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-29-brainstuff-ice-caps.mp3 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. Mon, 29 Mar 2010 14:38:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-29-brainstuff-ice-caps.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, polar ice caps melting 00:04:17 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. HowStuffWorks.com Why can I play some DVDs, but not others? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-26-brainstuff-dvd-regions.mp3 Film studios use regional code protection in DVD technology to protect content and to control worldwide release dates. Tune as Marshall Brain breaks down the concept of region codes in this podcast. Fri, 26 Mar 2010 15:27:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-26-brainstuff-dvd-regions.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, dvd region 00:02:19 Film studios use regional code protection in DVD technology to protect content and to control worldwide release dates. Tune as Marshall Brain breaks down the concept of region codes in this podcast. HowStuffWorks.com How do the Northern Lights work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-24-brainstuff-northern-lights.mp3 The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode. Wed, 24 Mar 2010 12:17:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-24-brainstuff-northern-lights.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, northern lights, aurora borealis, solar wind 00:03:09 The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode. HowStuffWorks.com Why should you wash new clothes before wearing them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-22-brainstuff-wash-new-clothes.mp3 Some clothes have tags that say "wash before wearing" or "wash separately." Find out why it's sometimes a good idea to wash new clothes before you wear them in this episode. Mon, 22 Mar 2010 13:00:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-22-brainstuff-wash-new-clothes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, wash before wearing, wash new clothes 00:02:28 Some clothes have tags that say "wash before wearing" or "wash separately." Find out why it's sometimes a good idea to wash new clothes before you wear them in this episode. HowStuffWorks.com Why do most zippers say 'YKK' on the pull-tab? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-19-brainstuff-ykk.mp3 Have you ever wondered why zippers often have the letters 'YKK' etched into them? Learn more about the Japanese company behind the tiny letters -- and the zippers -- in this episode. Fri, 19 Mar 2010 10:49:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-19-brainstuff-ykk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, marshall brain, zippers ykk, zippers, zippers Japan 00:02:16 Have you ever wondered why zippers often have the letters 'YKK' etched into them? Learn more about the Japanese company behind the tiny letters -- and the zippers -- in this episode. HowStuffWorks.com How do they get the lead in a wooden pencil? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-17-brainstuff-pencil.mp3 Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode. Wed, 17 Mar 2010 13:01:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-17-brainstuff-pencil.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, lead pencil, graphite, pencil 00:03:40 Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode. HowStuffWorks.com How does your stomach keep from digesting itself? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-15-brainstuff-stomach.mp3 The stomach is a hollow, many-layered organ that produces powerful acids to break down food -- and another substance to protect the stomach from being digested. Find out what this substance is, and learn more about the stomach, in this episode. Mon, 15 Mar 2010 12:25:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-15-brainstuff-stomach.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, autodigestion of the stomach, serosa, mucosa, stomach acid, stomach bicarbonate 00:02:35 The stomach is a hollow, many-layered organ that produces powerful acids to break down food -- and another substance to protect the stomach from being digested. Find out what this substance is, and learn more about the stomach, in this episode. HowStuffWorks.com Why do newspapers turn yellow over time? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-12-brainstuff-paper-yellow.mp3 Newspapers turn yellow over time because they contain lignin, a substance in wood that oxidates when exposed to air and light. Learn more about lignin and paper processing in this episode of BrainStuff. Fri, 12 Mar 2010 13:48:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-12-brainstuff-paper-yellow.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, lignin, newspapers yellow, white cellulose, paper oxidation 00:03:01 Newspapers turn yellow over time because they contain lignin, a substance in wood that oxidates when exposed to air and light. Learn more about lignin and paper processing in this episode of BrainStuff. HowStuffWorks.com How do self-setting clocks work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-10-brainstuff-self-setting-clocks.mp3 Self-setting clocks and watches synchronize themselves with the atomic clock in Colorado with the help of a special radio station. Find out how -- and learn more about NIST's radio station -- in this episode. Wed, 10 Mar 2010 12:28:21 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-10-brainstuff-self-setting-clocks.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, self-setting clocks, atomic clock Colorado, NIST, WWVB radio station, bcd 00:03:27 Self-setting clocks and watches synchronize themselves with the atomic clock in Colorado with the help of a special radio station. Find out how -- and learn more about NIST's radio station -- in this episode. HowStuffWorks.com How many calories does a person need daily? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-08-brainstuff-calories.mp3 The amount of calories a person needs to consume on a daily basis varies by individual. Discover the three factors that can help you determine your daily caloric needs in this episode of BrainStuff. Mon, 08 Mar 2010 13:20:26 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-08-brainstuff-calories.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, daily calories, basal metabolic rate, thermic effect of food, calories 00:03:33 The amount of calories a person needs to consume on a daily basis varies by individual. Discover the three factors that can help you determine your daily caloric needs in this episode of BrainStuff. HowStuffWorks.com What would happen if you fired a gun on a moving train? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-05-brainstuff-gun-from-train.mp3 If you fired a gun from a train moving at the speed of a bullet, what would happen? It depends on your frame of reference. Learn more about reference frames and physics in this episode of BrainStuff. Fri, 05 Mar 2010 13:29:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-05-brainstuff-gun-from-train.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, reference frames, physics, frame of reference, gun fired from train 00:03:41 If you fired a gun from a train moving at the speed of a bullet, what would happen? It depends on your frame of reference. Learn more about reference frames and physics in this episode of BrainStuff. HowStuffWorks.com What constitutes a person's IQ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-03-brainstuff-iq.mp3 Your IQ, or intelligence quotient, is a reflection of how well you perform on a specific test that measures cognitive abilities. Learn more about IQ tests in this episode. Wed, 03 Mar 2010 14:13:25 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-03-brainstuff-iq.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, IQ, intelligence quotient, IQ test, intelligence test, cognitive abilities test 00:05:45 Your IQ, or intelligence quotient, is a reflection of how well you perform on a specific test that measures cognitive abilities. Learn more about IQ tests in this episode. HowStuffWorks.com How does a QWERTY keyboard work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-01-brainstuff-qwerty.mp3 The QWERTY keyboard is the standard for most computers today, but why are the letters arranged in such a peculiar way? Learn more about the QWERTY keyboard's unusual layout -- and how it compares to the Dvorak design -- in this episode. Mon, 01 Mar 2010 12:09:51 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-03-01-brainstuff-qwerty.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, QWERTY keyboard, Christopher Sholes, qwerty keyboard typewriter 00:03:46 The QWERTY keyboard is the standard for most computers today, but why are the letters arranged in such a peculiar way? Learn more about the QWERTY keyboard's unusual layout -- and how it compares to the Dvorak design -- in this episode. HowStuffWorks.com How do a zebra's stripes act as camoflauge? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-26-brainstuff-zebra-stripes.mp3 A zebra's stripes offer protection from predators in the form of camoflauge -- and a way to identify individual members within the larger group. Learn more about zebra stripes in this episode. Fri, 26 Feb 2010 12:38:59 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-26-brainstuff-zebra-stripes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, zebra stripes camoflauge, lions colorblind, zebra stripe patterns, zebra stripes 00:03:33 A zebra's stripes offer protection from predators in the form of camoflauge -- and a way to identify individual members within the larger group. Learn more about zebra stripes in this episode. HowStuffWorks.com What does RSVP mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-24-brainstuff-rsvp.mp3 Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters stand for? Find out -- and learn more about the origins and practices of etiquette -- in this episode of BrainStuff. Wed, 24 Feb 2010 14:16:24 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-24-brainstuff-rsvp.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, rsvp meaning, rsvp, etiquette, rsvp etiquette, etiquette versailles, rsvp french 00:03:24 Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters stand for? Find out -- and learn more about the origins and practices of etiquette -- in this episode of BrainStuff. HowStuffWorks.com What do the brake warning lights mean in my car? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-22-brainstuff-brake-light.mp3 The brake warning lights in your car light up as part of a routine test; but when they stay on, they indicate that there's something wrong with your brake system. Learn more about brake warning lights in this episode. Mon, 22 Feb 2010 12:20:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-22-brainstuff-brake-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brake warning lights, brainstuff, brake system, abs, 00:02:40 The brake warning lights in your car light up as part of a routine test; but when they stay on, they indicate that there's something wrong with your brake system. Learn more about brake warning lights in this episode. HowStuffWorks.com Does drinking ice water burn calories? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-19-brainstuff-ice-water-calories.mp3 When you drink cold water, your body exerts an effort to warm up the liquid and, in doing so, burns calories. So does that make drinking ice water an effective weight loss strategy? Find out in this episode of BrainStuff. Fri, 19 Feb 2010 12:29:24 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-19-brainstuff-ice-water-calories.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, does drinking ice water burn calories, ice water calories 00:02:32 When you drink cold water, your body exerts an effort to warm up the liquid and, in doing so, burns calories. So does that make drinking ice water an effective weight loss strategy? Find out in this episode of BrainStuff. HowStuffWorks.com How do British royal titles work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-17-brainstuff-royal-titles.mp3 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work. Wed, 17 Feb 2010 16:10:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-17-brainstuff-royal-titles.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, British royal titles, peerage, duchdom, dukes, inherited peerage, life peerage 00:05:22 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work. HowStuffWorks.com How do blimps work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-15-brainstuff-blimps.mp3 Tune in to this episode of BrainStuff to learn more about blimps, from how they work to why they're a popular medium for advertisin Mon, 15 Feb 2010 19:21:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-15-brainstuff-blimps.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, blimps, gondola blimp, blimp helium, blimp advertising, ballonets, blimp leds 00:04:53 Tune in to this episode of BrainStuff to learn more about blimps, from how they work to why they're a popular medium for advertisin HowStuffWorks.com How does rust work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-12-brainstuff-rust.mp3 In this episode of BrainStuff, Marshall Brain explains the chemistry behind rust, or iron oxide, and the rusting process. Fri, 12 Feb 2010 12:59:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-12-brainstuff-rust.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, rust, iron oxide, anode, cathode, electrolyte, rusting metals, corrosion 00:02:28 In this episode of BrainStuff, Marshall Brain explains the chemistry behind rust, or iron oxide, and the rusting process. HowStuffWorks.com In baseball, how does a pitcher throw a curveball? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-10-brainstuff-curve-ball.mp3 A curveball is a pitcher's secret weapon for striking out batters. Discover the physics behind a great curveball in this episode of BrainStuff. Wed, 10 Feb 2010 10:36:12 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-10-brainstuff-curve-ball.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, curveball, topspin, pitcher, magnus effect, heinrich gustav magnus, curveball physics 00:03:01 A curveball is a pitcher's secret weapon for striking out batters. Discover the physics behind a great curveball in this episode of BrainStuff. HowStuffWorks.com How do mood rings work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-08-brainstuff-mood-ring.mp3 Mood rings claim to reflect changes in your emotional state -- and, in a way, they do. Discover the science behind mood rings in this episode of BrainStuff. Mon, 08 Feb 2010 12:19:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-08-brainstuff-mood-ring.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, mood rings, thermotropic liquid crystals, mood rings temperature, liquid crystals 00:04:13 Mood rings claim to reflect changes in your emotional state -- and, in a way, they do. Discover the science behind mood rings in this episode of BrainStuff. HowStuffWorks.com What makes your knuckles pop? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-05-brainstuff-knuckle-popping.mp3 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. Fri, 05 Feb 2010 11:20:43 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-05-brainstuff-knuckle-popping.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, what makes your knuckles pop, joints, synovial fluid, cavitation 00:03:29 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. HowStuffWorks.com Could I see a flashlight beam from Earth on the moon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-03-brainstuff-moon-flashlight.mp3 If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff. Wed, 03 Feb 2010 13:26:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-03-brainstuff-moon-flashlight.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, photons, flashlight moon, photons, light, telescope, flashlight beam, laser 00:03:17 If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff. HowStuffWorks.com How do Voyager 1 and 2 transmit messages from far away? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-01-brainstuff-voyager_1-2.mp3 Spacecraft Voyager 1 and Voyager 2 transmit images of space and its contents from great distances, but how? Learn more about the technology that allows them to send radio messages from far, far away in this episode of BrainStuff. Mon, 01 Feb 2010 13:13:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-02-01-brainstuff-voyager_1-2.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, voyager 1, voyager 2, voyager antenna, voyager radio frequencies 00:03:08 Spacecraft Voyager 1 and Voyager 2 transmit images of space and its contents from great distances, but how? Learn more about the technology that allows them to send radio messages from far, far away in this episode of BrainStuff. HowStuffWorks.com How do stabilizer bars work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-29-brainstuff-stabilizer-bar.mp3 Stabilizer bars are designed to keep your car from rolling when you make sharp turns. Learn more about how these bars work in this episode of BrainStuff. Fri, 29 Jan 2010 12:06:20 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-29-brainstuff-stabilizer-bar.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stabilizer bar, anti-roll bar, anti-sway bar, suspension system 00:03:16 Stabilizer bars are designed to keep your car from rolling when you make sharp turns. Learn more about how these bars work in this episode of BrainStuff. HowStuffWorks.com Is it true that a diesel engine can operate underwater? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-27-brainstuff-waterproof-diesel.mp3 Under certain circumstances, diesel engines can operate while submerged in water. Find out what it takes to waterproof an engine -- and why diesel engines are better candidates than their gasoline counterparts -- in this episode of BrainStuff. Wed, 27 Jan 2010 14:52:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-27-brainstuff-waterproof-diesel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, diesel engine waterproof, waterproof engine, how to waterproof an engine 00:03:17 Under certain circumstances, diesel engines can operate while submerged in water. Find out what it takes to waterproof an engine -- and why diesel engines are better candidates than their gasoline counterparts -- in this episode of BrainStuff. HowStuffWorks.com How can the grass on a golf course green be so perfect? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-25-brainstuff-golf-green-final.mp3 The greens on a golf course are famously smooth and perfect-looking, but how do they get that way? Discover how careful planning, the right ingredients and a whole lot of maintenance yield a flawless green in this episode of BrainStuff. Mon, 25 Jan 2010 11:59:53 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-25-brainstuff-golf-green-final.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, golf course green maintenance, golf course green construction, golf greens 00:02:31 The greens on a golf course are famously smooth and perfect-looking, but how do they get that way? Discover how careful planning, the right ingredients and a whole lot of maintenance yield a flawless green in this episode of BrainStuff. HowStuffWorks.com How does a toaster work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-22-brainstuff-toaster.mp3 Toasting is a tasty way to increase the durability of bread, and automatic toasters are a convenient way to make toast. Learn more about the chemical change that turns bread into toast and the mechanism behind toasters in this episode of BrainStuff. Fri, 22 Jan 2010 11:49:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-22-brainstuff-toaster.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, toaster, toast, nichrome wire, pop-up toaster, maillard reaction, toaster timer 00:04:48 Toasting is a tasty way to increase the durability of bread, and automatic toasters are a convenient way to make toast. Learn more about the chemical change that turns bread into toast and the mechanism behind toasters in this episode of BrainStuff. HowStuffWorks.com How does a gas pump know when the fuel tank is full? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-20-brainstuff-gas-pump.mp3 If you've ever put gas in a car, you've probably noticed how the gas pump shuts off when your tank is full. But how does it know to do that? Learn more about the clever mechanism that keeps your gas tank from overflowing in this episode of BrainStuff. Wed, 20 Jan 2010 12:36:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-20-brainstuff-gas-pump.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how does a gas pump know when to stop? 00:01:58 If you've ever put gas in a car, you've probably noticed how the gas pump shuts off when your tank is full. But how does it know to do that? Learn more about the clever mechanism that keeps your gas tank from overflowing in this episode of BrainStuff. HowStuffWorks.com How cell phones work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-18-brainstuff-cell-phones.mp3 Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff. Mon, 18 Jan 2010 19:07:25 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-18-brainstuff-cell-phones.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, cell phones, cell phone towers, walkie talkies, radio frequencies 00:05:12 Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff. HowStuffWorks.com Where did the hamburger get its name? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-15-brainstuff-hamburger.mp3 The word 'hamburger' seems to imply that pork is a main ingredient, but in fact, this famous beef sandwich got its name from a city. Learn more about the origins and spread of the hamburger in this episode of BrainStuff. Fri, 15 Jan 2010 11:06:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-15-brainstuff-hamburger.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, hamburger, Hamburg Germany, Hamburg steak, Mcdonalds, white castle 00:02:21 The word 'hamburger' seems to imply that pork is a main ingredient, but in fact, this famous beef sandwich got its name from a city. Learn more about the origins and spread of the hamburger in this episode of BrainStuff. HowStuffWorks.com How do one-way mirrors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-13-brainstuff-oneway-mirror.mp3 One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff. Wed, 13 Jan 2010 10:11:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-13-brainstuff-oneway-mirror.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, one-way mirror, half-silvered surface, reflective coating, reflective molecules 00:03:02 One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff. HowStuffWorks.com How do torpedo engines work if they're underwater? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-11-brainstuff-torpedo-engine.mp3 Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff. Mon, 11 Jan 2010 13:28:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-11-brainstuff-torpedo-engine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how do torpedo engines work underwater?, fuel oxidizer, otto fuel 00:02:24 Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff. HowStuffWorks.com How do kosher foods work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-08-brainstuff-kosher.mp3 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of the Jewish dietary laws and preparations that make foods "kosher" and "pareve." Fri, 08 Jan 2010 11:04:04 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-08-brainstuff-kosher.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, kosher food, kosher, Jewish dietary laws, kosher food rules 00:03:20 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of the Jewish dietary laws and preparations that make foods "kosher" and "pareve." HowStuffWorks.com How do photochromatic lenses work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-06-brainstuff-transition-lenses.mp3 Photochromatic lenses darken when exposed to the sun. Discover where these lenses came from, how they work and why they're commonly referred to as "transition" lenses in this episode of BrainStuff. Wed, 06 Jan 2010 15:09:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-06-brainstuff-transition-lenses.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, transition lenses, photochromatic lenses, photochromic lenses, Corning, Transitions lenses 00:03:37 Photochromatic lenses darken when exposed to the sun. Discover where these lenses came from, how they work and why they're commonly referred to as "transition" lenses in this episode of BrainStuff. HowStuffWorks.com How does a movie clapperboard work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-04-brainstuff-clapperboard.mp3 A movie clapperboard isn't just a placemarker; this device helps movie makers synchronize a movie's audio and video elements. Find out how a traditional movie clapperboard works, as well as a digital one, in this episode of BrainStuff. Mon, 04 Jan 2010 12:28:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-04-brainstuff-clapperboard.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, movie clapperboard, digital slate, how does a movie clapperboard work? 00:02:41 A movie clapperboard isn't just a placemarker; this device helps movie makers synchronize a movie's audio and video elements. Find out how a traditional movie clapperboard works, as well as a digital one, in this episode of BrainStuff. HowStuffWorks.com Can cans and string really be used like a telephone? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-01-brainstuff-cans-and-string.mp3 You've probably heard of this trick before: Connecting two cans with a piece of string in the bottom of each can will supposedly allow people to speak over a distance to one another. Tune in as Marshall Brain explains how it works in this episode. Fri, 01 Jan 2010 19:09:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2010-01-01-brainstuff-cans-and-string.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, cans and string, can string telephone 00:03:20 You've probably heard of this trick before: Connecting two cans with a piece of string in the bottom of each can will supposedly allow people to speak over a distance to one another. Tune in as Marshall Brain explains how it works in this episode. HowStuffWorks.com How do jet engines start? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-30-brainstuff-starting-jet-engine.mp3 If you've ever watched a jet engine start, you've probably noticed that the blades begin to rotate slowly before spinning up to full speed -- but why? Listen in as Marshall Brain breaks down the science behind jet engines in this episode. Wed, 30 Dec 2009 14:35:24 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-30-brainstuff-starting-jet-engine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, jet engine, start jet engine, airplane 00:02:58 If you've ever watched a jet engine start, you've probably noticed that the blades begin to rotate slowly before spinning up to full speed -- but why? Listen in as Marshall Brain breaks down the science behind jet engines in this episode. HowStuffWorks.com How does Caller ID work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-28-brainstuff-caller-id.mp3 Almost all cell phones have a capacity for caller ID, which identifies the phone number at the other end of a telephone connection -- but how does it work? Listen in as Marshall Brain breaks down the basics of this surprisingly simple technology. Mon, 28 Dec 2009 13:20:16 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-28-brainstuff-caller-id.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, caller ID, telephone 00:03:06 Almost all cell phones have a capacity for caller ID, which identifies the phone number at the other end of a telephone connection -- but how does it work? Listen in as Marshall Brain breaks down the basics of this surprisingly simple technology. HowStuffWorks.com How does Christmas work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-25-brainstuff-christmas.mp3 Christmas is the biggest holiday on the American calendar -- but how did it get this way? Travel back in time with Marshall Brain as he explores the evolution of Christmas in this special holiday episode. Fri, 25 Dec 2009 11:44:44 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-25-brainstuff-christmas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, christmas, history of christmas 00:05:54 Christmas is the biggest holiday on the American calendar -- but how did it get this way? Travel back in time with Marshall Brain as he explores the evolution of Christmas in this special holiday episode. HowStuffWorks.com Why doesn't gasoline burn cleanly? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-23-brainstuff-gas-pollution.mp3 Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas. Wed, 23 Dec 2009 10:24:37 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-23-brainstuff-gas-pollution.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, gas pollution, catalytic converter, smog, air pollution 00:02:33 Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas. HowStuffWorks.com How does the Nobel Prize work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-21-brainstuff-nobel-prize.mp3 Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff. Mon, 21 Dec 2009 15:00:57 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-21-brainstuff-nobel-prize.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, nobel prizes, alfred nobel, dynamite, nobel foundation, six nobel prizes 00:01:55 Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff. HowStuffWorks.com How does a fiber optic cable work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-18-brainstuff-fiber-optic.mp3 Fiber optic cables make long-distance telephone communication and Internet access much more affordable and accesible. Get Marshall's explanation of fiber optic cables in this episode of BrainStuff. Fri, 18 Dec 2009 11:56:54 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-18-brainstuff-fiber-optic.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, fiber topic cable, fiber optic glass, fiber optic laser 00:03:54 Fiber optic cables make long-distance telephone communication and Internet access much more affordable and accesible. Get Marshall's explanation of fiber optic cables in this episode of BrainStuff. HowStuffWorks.com What makes glass transparent? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-16-brainstuff-glass.mp3 The transparency of materials has to do with their molecular state. Discover how silica and heat produce the transparent material we call glass in this episode of BrainStuff. Wed, 16 Dec 2009 12:56:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-16-brainstuff-glass.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, why is glass transparent?, quenching, molecular state, glass, polymers 00:03:32 The transparency of materials has to do with their molecular state. Discover how silica and heat produce the transparent material we call glass in this episode of BrainStuff. HowStuffWorks.com Why do most cars use gasoline instead of diesel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-14-brainstuff-diesel.mp3 Diesel engines are more efficient than engines that run on gasoline, yet they've never really caught on in passenger cars in the United States. Discover the many reasons why diesel engines aren't the norm in this episode of BrainStuff. Mon, 14 Dec 2009 12:10:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-14-brainstuff-diesel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, diesel engines disadvantages, diesel vs gasoline engines, diesel cars 00:03:28 Diesel engines are more efficient than engines that run on gasoline, yet they've never really caught on in passenger cars in the United States. Discover the many reasons why diesel engines aren't the norm in this episode of BrainStuff. HowStuffWorks.com What is dynamite? How does it work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-11-brainstuff-dynamite.mp3 Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff. Fri, 11 Dec 2009 10:03:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-11-brainstuff-dynamite.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dynamite, chemical explosive, gasoline explosive, oxygen, blasting cap, nitroglycerin 00:02:23 Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff. HowStuffWorks.com How do cats purr? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-09-brainstuff-cat-purr.mp3 Cats tend to purr when they're happy, but pleasure isn't the only reason for this behavior. And they aren't the only animals who purr. Find out why and how cats and other animals purr in this episode of BrainStuff. Wed, 09 Dec 2009 10:30:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-09-brainstuff-cat-purr.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, why do cats purr, do raccoons purr, big cats purr 00:02:00 Cats tend to purr when they're happy, but pleasure isn't the only reason for this behavior. And they aren't the only animals who purr. Find out why and how cats and other animals purr in this episode of BrainStuff. HowStuffWorks.com What is a rice krispy? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-07-brainstuff-rice-krispy.mp3 Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice crispies and other puffed cereals are manufactured in this episode of BrainStuff. Mon, 07 Dec 2009 11:15:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-07-brainstuff-rice-krispy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, rice krispy, puffed cereals, puffing, rice crispies, cereal 00:02:50 Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice crispies and other puffed cereals are manufactured in this episode of BrainStuff. HowStuffWorks.com Why do batteries die but then come back to life? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-04-brainstuff-dead-battery.mp3 Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. Fri, 04 Dec 2009 12:06:45 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-04-brainstuff-dead-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, batteries die then come back to life, self-recharging batteries 00:02:56 Batteries, particularly car batteries, seem to go dead and then come back to life after a resting period. How does this self-recharging feature of batteries work? Find out in this episode of BrainStuff. HowStuffWorks.com How do artificial flavors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-02-brainstuff-artificial-flavors.mp3 Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff. Wed, 02 Dec 2009 11:25:59 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-12-02-brainstuff-artificial-flavors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, artificial flavors, volatile chemical, esters, taste, smell, natural flavors 00:02:50 Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff. HowStuffWorks.com Is there any way to see satellites that are in orbit? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-30-brainstuff-see-satellite.mp3 There are hundreds of satellites orbiting the Earth, but it's not always easy to see them. Get Marshall's tips on how to spot satellites in this episode of BrainStuff. Mon, 30 Nov 2009 11:48:25 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-30-brainstuff-see-satellite.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, satellite, geosynchronous orbit, asynchronous orbit, see satellite in the sky 00:01:50 There are hundreds of satellites orbiting the Earth, but it's not always easy to see them. Get Marshall's tips on how to spot satellites in this episode of BrainStuff. HowStuffWorks.com Why can't we breathe underwater? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-27-brainstuff-water-oxygen.mp3 Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater? Find out in this episode of BrainStuff. Fri, 27 Nov 2009 18:13:12 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-27-brainstuff-water-oxygen.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, water, hydrogen, oxygen, why can't we breathe underwater, H20 00:03:14 Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater? Find out in this episode of BrainStuff. HowStuffWorks.com What is leather and where does it come from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-25-brainstuff-leather.mp3 Most leather is made from processed cattle skin, although synthetic and other varieties exist. Learn more about leather in this episode of BrainStuff. Wed, 25 Nov 2009 11:19:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-25-brainstuff-leather.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, leather, cow skin, rawhide, tanning, chromium, tannins, synthetic leather 00:05:23 Most leather is made from processed cattle skin, although synthetic and other varieties exist. Learn more about leather in this episode of BrainStuff. HowStuffWorks.com How do satellites orbit the earth? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-23-brainstuff-orbit.mp3 In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. Mon, 23 Nov 2009 10:38:01 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-23-brainstuff-orbit.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, satellites orbit earth, orbit, free fall, curvature of the earth 00:03:28 In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. HowStuffWorks.com How can you measure the height of a tall tower? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-20-brainstuff-height-of-tower.mp3 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. Fri, 20 Nov 2009 11:08:28 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-20-brainstuff-height-of-tower.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, height of tower, how to measure tall objects, broomstick, protractor 00:02:58 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. HowStuffWorks.com How does the lighter in a barbeque grill work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-18-brainstuff-piezoelectric.mp3 A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works -- and the kinds of devices that use piezoelectric materials -- in this episode of BrainStuff. Wed, 18 Nov 2009 12:05:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-18-brainstuff-piezoelectric.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuf, lighter bbq grill, piezoelectricity, piezoelectric, spark, push-button lighter 00:02:52 A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works -- and the kinds of devices that use piezoelectric materials -- in this episode of BrainStuff. HowStuffWorks.com How does a magneto work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-16-brainstuff-magneto.mp3 A magneto is a kind of electrical generator used in small gasoline engines in lieu of a battery. Find out how magnetos work in this episode of BrainStuff. Mon, 16 Nov 2009 14:11:27 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-16-brainstuff-magneto.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, magneto, generator, ignition, spark plug, electrical generator, electromagnet, armature 00:03:49 A magneto is a kind of electrical generator used in small gasoline engines in lieu of a battery. Find out how magnetos work in this episode of BrainStuff. HowStuffWorks.com Why do tools have "drop forged" stamped on them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-13-brainstuff-drop-forge.mp3 Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff. Fri, 13 Nov 2009 11:09:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-13-brainstuff-drop-forge.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, drop forging, press forging, roll forging, cold forging, dies, forge 00:02:39 Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff. HowStuffWorks.com What is a T1 line and how does it work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-11-brainstuff-t1-line.mp3 A T1 line is a dedicated fiber optic or copper cable that provides businesses with far more digital data than a residential line. Discover how T1 and other kinds of fiber optic lines work in this episode of BrainStuff. Wed, 11 Nov 2009 12:29:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-11-brainstuff-t1-line.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, t1 line, t1 phone line, fiber optic line, digital, analog 00:03:10 A T1 line is a dedicated fiber optic or copper cable that provides businesses with far more digital data than a residential line. Discover how T1 and other kinds of fiber optic lines work in this episode of BrainStuff. HowStuffWorks.com How does a jet engine's afterburner work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-09-brainstuff-afterburner.mp3 The afterburner on a jet engine adds thrust to the engine. Tune in as Marshall Brain explains how an afterburner works -- and the pros and cons of using one -- in this episode of BrainStuff. Mon, 09 Nov 2009 10:51:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-09-brainstuff-afterburner.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, afterburner, jet engine, fuel injector, turbine, thrust, jet engine afterburner 00:02:35 The afterburner on a jet engine adds thrust to the engine. Tune in as Marshall Brain explains how an afterburner works -- and the pros and cons of using one -- in this episode of BrainStuff. HowStuffWorks.com How does the public option work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-06-brainstuff-public-option.mp3 In the current U.S. debate over health care reform, a government-sponsored public option has been a controversial topic. Tune in to this episode of BrainStuff to hear Marshall Brain explain the nuances and implications of the public option. Fri, 06 Nov 2009 10:10:16 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-06-brainstuff-public-option.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, public option, health care reform, single payer system 00:05:00 In the current U.S. debate over health care reform, a government-sponsored public option has been a controversial topic. Tune in to this episode of BrainStuff to hear Marshall Brain explain the nuances and implications of the public option. HowStuffWorks.com Why do they add iodine to salt? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-04-brainstuff-iodine.mp3 Table salt contains iodine to help prevent thyroid problems and iodine deficiencies. Find out how table salt keeps your thyroid happy -- and what iodine has to do with a nuclear attack -- in this episode of BrainStuff. Wed, 04 Nov 2009 10:57:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-04-brainstuff-iodine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, iodine table salt, iodine, thyroid gland, goiter, iodine pills 00:02:53 Table salt contains iodine to help prevent thyroid problems and iodine deficiencies. Find out how table salt keeps your thyroid happy -- and what iodine has to do with a nuclear attack -- in this episode of BrainStuff. HowStuffWorks.com How much sugar do they really put in soda? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-02-brainstuff-sugar-in-soda.mp3 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. Mon, 02 Nov 2009 13:26:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-02-brainstuff-sugar-in-soda.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sugar in soda, sugar in soft drinks, teaspoons, sugar 00:02:27 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. HowStuffWorks.com How do you add a USB device if you've run out of ports? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-30-brainstuff-usb-hubs.mp3 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. Fri, 30 Oct 2009 10:55:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-30-brainstuff-usb-hubs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, usb hubs, powered usb hub, unpowered usb hub, usb ports 00:02:28 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. HowStuffWorks.com How do they make fortune cookies? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-28-brainstuff-fortune-cookies.mp3 You've probably had countless fortune cookies after Chinese meals, but have you ever wondered how they're made? Discover the "food technology" behind those prescient little cookies in this episode of BrainStuff. Wed, 28 Oct 2009 10:35:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-28-brainstuff-fortune-cookies.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, fortune cookies, food technology, hard shells 00:02:22 You've probably had countless fortune cookies after Chinese meals, but have you ever wondered how they're made? Discover the "food technology" behind those prescient little cookies in this episode of BrainStuff. HowStuffWorks.com How do they measure sea level? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-26-brainstuff-sea-level.mp3 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. Mon, 26 Oct 2009 10:14:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-26-brainstuff-sea-level.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sea level, tides, tide gauge, geoid, stilling well 00:04:01 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. HowStuffWorks.com Why does lettuce stored in a bag stay fresh longer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-23-brainstuff-map.mp3 Many foods you'll find at the grocery store, like lettuce, for example, are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is -- and how it keeps food fresh longer -- in this episode of BrainStuff. Fri, 23 Oct 2009 11:53:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-23-brainstuff-map.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, MAP, modified atmosphere packaging, oxygen, CO2, shelf life, gases 00:02:22 Many foods you'll find at the grocery store, like lettuce, for example, are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is -- and how it keeps food fresh longer -- in this episode of BrainStuff. HowStuffWorks.com How do herbicides like Roundup work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-21-brainstuff-roundup.mp3 Herbicides like Roundup are products that inhibit plant and weed growth in a very specific way. Explore the biochemistry behind glyphosphate-based herbicides in this episode of HowStuffWorks.com. Wed, 21 Oct 2009 11:07:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-21-brainstuff-roundup.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, herbicides, Roundup, glyphosphate, weed killers, enzyme, EPSP synthase 00:02:26 Herbicides like Roundup are products that inhibit plant and weed growth in a very specific way. Explore the biochemistry behind glyphosphate-based herbicides in this episode of HowStuffWorks.com. HowStuffWorks.com What's the most efficient way to mow your yard? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-19-brainstuff-lawn-efficiency.mp3 There's more than one way to mow a yard, but which is the most efficient? Tune in to this episode of BrainStuff to find out. Mon, 19 Oct 2009 10:00:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-19-brainstuff-lawn-efficiency.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, lawn efficiency, spiral mowing pattern, mowing 00:02:50 There's more than one way to mow a yard, but which is the most efficient? Tune in to this episode of BrainStuff to find out. HowStuffWorks.com Does airing out mattresses outside do any good? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-16-brainstuff-mattress-disinfect.mp3 Airing out rugs and mattresses outdoors is a great way to disinfect them, thanks to a little thing called ultraviolet light. Find out how UV light can disinfect everything from rugs to water in this episode of BrainStuff. Fri, 16 Oct 2009 10:26:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-16-brainstuff-mattress-disinfect.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, air out mattress outside, ultraviolet light disinfectant, uv light 00:02:05 Airing out rugs and mattresses outdoors is a great way to disinfect them, thanks to a little thing called ultraviolet light. Find out how UV light can disinfect everything from rugs to water in this episode of BrainStuff. HowStuffWorks.com What is the problem with MTBE in gasoline? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-14-brainstuff-mtbe.mp3 Some gasoline contains MTBE, or methyl tertiary butyl ether. Find out why MTBE is added to gasoline in the first place, and why it's no longer a popular additive, in this episode of BrainStuff. Wed, 14 Oct 2009 09:59:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-14-brainstuff-mtbe.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, MTBE, methyl tertiary butyl ether, gasoline, mtbe carcinogenic, ethanol 00:02:19 Some gasoline contains MTBE, or methyl tertiary butyl ether. Find out why MTBE is added to gasoline in the first place, and why it's no longer a popular additive, in this episode of BrainStuff. HowStuffWorks.com How does an EPIRB distress radio work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-12-brainstuff-epirb.mp3 An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com. Mon, 12 Oct 2009 10:18:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-12-brainstuff-epirb.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, EPIRB, emergency position indicating radio beacon, GPS, radio transmitter, satellite 00:02:27 An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com. HowStuffWorks.com Is chocolate poisonous to dogs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-09-brainstuff-chocolate-poisoning.mp3 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs -- and how much is too much -- in this podcast from HowStuffWorks.com. Fri, 09 Oct 2009 10:50:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-09-brainstuff-chocolate-poisoning.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, theobromine, chocolate dogs poisonous, is chocolate poisonous to dogs? 00:02:21 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs -- and how much is too much -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can there be seedless grapes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-07-brainstuff-seedless-grapes.mp3 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. Wed, 07 Oct 2009 11:17:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-07-brainstuff-seedless-grapes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, seedless grapes, grape vine cuttings, white Thompson's seedless grapes 00:01:51 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do dry chemical fire extinguishers work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-05-brainstuff-fire-extinguisher.mp3 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. Mon, 05 Oct 2009 11:26:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-05-brainstuff-fire-extinguisher.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carbon dioxide fire extinguisher, dry chemical fire extinguisher, baking soda 00:03:03 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. HowStuffWorks.com What does Pez mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-02-brainstuff-pez.mp3 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. Fri, 02 Oct 2009 10:27:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-02-brainstuff-pez.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Pez, Pez smokers, Eduard Haas III, Pez candy, Pez peppermint 00:03:11 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. HowStuffWorks.com What does tear gas do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-30-brainstuff-tear-gas.mp3 You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. Wed, 30 Sep 2009 11:26:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-30-brainstuff-tear-gas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, tear gas, CN, mace, CS, pepper spray, tear gas crowd control 00:01:53 You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What are carbide tips? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-28-brainstuff-carbide-tips.mp3 Many cutting tools are made of materials like steel but have carbide tips, which stay sharper longer. Learn more about carbide tips in this podcast from HowStuffWorks.com. Mon, 28 Sep 2009 11:47:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-28-brainstuff-carbide-tips.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carbide tips, tungsten carbide, carbide tipped, drillbit, saw blades 00:02:21 Many cutting tools are made of materials like steel but have carbide tips, which stay sharper longer. Learn more about carbide tips in this podcast from HowStuffWorks.com. HowStuffWorks.com How do I burn calories on a stair machine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-25-brainstuff-stair-machine.mp3 If you've ever sweated your way through a work-out on a stair machine, you know that calories are definitely being burned in the process. But how? Learn more about foot-pounds, horsepower and stair machines in this podcast from HowStuffWorks.com. Fri, 25 Sep 2009 10:19:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-25-brainstuff-stair-machine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stair machine, burn calories stair machine, horsepower, foot-pounds 00:02:54 If you've ever sweated your way through a work-out on a stair machine, you know that calories are definitely being burned in the process. But how? Learn more about foot-pounds, horsepower and stair machines in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is a circular saw louder than a table saw? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-23-brainstuff-saw-noise.mp3 Circular saws are much noisier than table saws partly because of the type of motor they possess. Learn more about universal and induction motors in BrainStuff, a podcast from HowStuffWorks.com. Wed, 23 Sep 2009 10:32:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-23-brainstuff-saw-noise.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, circular saw, table saw, induction motor, universal motor, AC, DC 00:02:27 Circular saws are much noisier than table saws partly because of the type of motor they possess. Learn more about universal and induction motors in BrainStuff, a podcast from HowStuffWorks.com. HowStuffWorks.com Why do some engines use a dry sump oil system? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-21-brainstuff-dry-sump.mp3 Most car engines use a wet sump oil system, but some rely on a dry sump system. Find out how a dry sump system works -- and why it's advantageous -- in this podcast from HowStuffWorks.com. Mon, 21 Sep 2009 10:18:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-21-brainstuff-dry-sump.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry sump oil system, wet sump oil system, engine 00:02:38 Most car engines use a wet sump oil system, but some rely on a dry sump system. Find out how a dry sump system works -- and why it's advantageous -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What is low-power FM (LPFM)? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-18-brainstuff-lpfm-stations.mp3 FM radio stations have high operating costs, so they're seldom affordable to individuals and small organizations that want to use them for not-for-profit purposes. Find out how LPFM stations work in this podcast from HowStuffWorks.com. Fri, 18 Sep 2009 10:37:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/hss/2009-09-17-hss-high-speed-trains.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, low power fm, LPFM, lpfm stations, FCC, watts, fm stations 00:02:48 FM radio stations have high operating costs, so they're seldom affordable to individuals and small organizations that want to use them for not-for-profit purposes. Find out how LPFM stations work in this podcast from HowStuffWorks.com. HowStuffWorks.com How much does 20-pound bond paper weigh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-16-brainstuff-20-pound-bond-paper.mp3 Your average ream of printer paper is called 20-pound bond paper, but it doesn't actually weigh 20 pounds. Tune in as Marshall explains this strange American paper naming system -- and its metric alternative -- in this podcast from HowStuffWorks.com. Wed, 16 Sep 2009 10:33:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-16-brainstuff-20-pound-bond-paper.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, 20-pound bond paper, reams, printer paper, metric system 00:02:37 Your average ream of printer paper is called 20-pound bond paper, but it doesn't actually weigh 20 pounds. Tune in as Marshall explains this strange American paper naming system -- and its metric alternative -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Should you turn your computer off when it's not in use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-14-brainstuff-turn-computer-off.mp3 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. Mon, 14 Sep 2009 13:34:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-14-brainstuff-turn-computer-off.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, turn off computer, server, leave computer on, wasted energy 00:03:18 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. HowStuffWorks.com What do those diamond-shaped signs on buildings mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-11-brainstuff-nfa-panel.mp3 The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com. Fri, 11 Sep 2009 12:34:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-11-brainstuff-nfa-panel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, nfpa panel, national fire protection agency 00:03:16 The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What is an Omega-3 fatty acid? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-09-brainstuff-omega-3.mp3 Omega-3 fatty acids are essential to the human body. Tune in to hear Marshall Brain explain the chemistry of fat molecules and fatty acids, Omega-3s in particular, in this podcast from HowStuffWorks.com. Wed, 09 Sep 2009 13:49:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-09-brainstuff-omega-3.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Omega-3 fatty acid, triglycerides, saturated fat, unsaturated fat, monounsaturated, polyunsaturated 00:06:07 Omega-3 fatty acids are essential to the human body. Tune in to hear Marshall Brain explain the chemistry of fat molecules and fatty acids, Omega-3s in particular, in this podcast from HowStuffWorks.com. HowStuffWorks.com What gives a Harley its distinctive sound? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-07-brainstuff-harley-sound.mp3 A Harley Davidson motorcycle emits a very distintive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. Mon, 07 Sep 2009 15:51:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-07-brainstuff-harley-sound.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Harley Davidson motorcycle, Harley, cylinders, pistons, two cylinder, engine 00:03:03 A Harley Davidson motorcycle emits a very distintive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. HowStuffWorks.com What is the battery light on your car's dashboard for? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-04-brainstuff-battery-light.mp3 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. Fri, 04 Sep 2009 10:41:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-04-brainstuff-battery-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, battery light, car, dashboard, alternator, car battery, rechargeable, electrical system 00:02:19 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. HowStuffWorks.com How does the Radio Data System work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-02-brainstuff-rds.mp3 The Radio Data System, or RDS, allows your radio to display information like song titles and radio station call signs. Find out how the RDS works in this podcast from HowStuffWorks.com. Wed, 02 Sep 2009 11:16:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-02-brainstuff-rds.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Radio Data System, RDS, frequency, bandwidth, kilohertz 00:02:18 The Radio Data System, or RDS, allows your radio to display information like song titles and radio station call signs. Find out how the RDS works in this podcast from HowStuffWorks.com. HowStuffWorks.com How do trick birthday candles work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-31-brainstuff-trick-candle.mp3 Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular and trick candles work in this podcast from HowStuffWorks.com. Mon, 31 Aug 2009 10:58:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-31-brainstuff-trick-candle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, candles, trick candles, wick, paraffin wax, magnesium powder 00:04:50 Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular and trick candles work in this podcast from HowStuffWorks.com. HowStuffWorks.com What exactly is a blueprint? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-28-brainstuff-blueprints.mp3 Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com. Fri, 28 Aug 2009 10:24:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-28-brainstuff-blueprints.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, blueprints, blueprinting, architecture, diazotype, why are blueprints blue 00:02:55 Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Why does your computer need a battery? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-26-brainstuff-computer-battery.mp3 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. Wed, 26 Aug 2009 12:13:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-26-brainstuff-computer-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, computer battery, real-time clock chip, quartz clock, RAM, cmos ram 00:02:40 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. HowStuffWorks.com What is carrageenan? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-24-brainstuff-carrageenan.mp3 Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com. Mon, 24 Aug 2009 11:32:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-24-brainstuff-carrageenan.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carrageenan, xanthum gum, seaweed, processed food 00:03:05 Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com. HowStuffWorks.com How does an airplane toilet work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-21-brainstuff-airplane-toilet.mp3 Airplane toilets serve the same function as regular ones, but because they exist in a moving environment, they rely on slightly different technology to get the job done. Find out how they work in this podcast from HowStuffWorks.com. Fri, 21 Aug 2009 10:55:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-21-brainstuff-airplane-toilet.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, airplane toilet, toilet bowl, siphon, vacuum toilets, gravity 00:02:30 Airplane toilets serve the same function as regular ones, but because they exist in a moving environment, they rely on slightly different technology to get the job done. Find out how they work in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do they include jokers in a deck of playing cards? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-19-brainstuff-joker.mp3 The joker is an obscure and seemingly useless addition to a deck of modern playing card, but originally, it was a powerful card. Discover the history of the joker card -- and how the modern deck took shape -- in this podcast from HowStuffWorks.com. Wed, 19 Aug 2009 10:15:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-19-brainstuff-joker.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, joker card, playing card origins, Euchre, imperial bower 00:01:47 The joker is an obscure and seemingly useless addition to a deck of modern playing card, but originally, it was a powerful card. Discover the history of the joker card -- and how the modern deck took shape -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Why doesn't the space shuttle burn up upon re-entry? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-17-brainstuff-meteor-re-entry.mp3 Meteors burn up once they hit Earth's atmosphere, and the space shuttle would do the same if it wasn't protected. Learn more about meteors and the technologies that keep the space shuttle from burning up in this podcast from HowStuffWorks.com. Mon, 17 Aug 2009 13:09:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-17-brainstuff-meteor-re-entry.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, meteor, re-entry, space shuttle, ablative technology, insulating tile technology 00:02:18 Meteors burn up once they hit Earth's atmosphere, and the space shuttle would do the same if it wasn't protected. Learn more about meteors and the technologies that keep the space shuttle from burning up in this podcast from HowStuffWorks.com. HowStuffWorks.com What causes high tide and low tide? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-14-brainstuff-tides.mp3 The moon's gravitational pull is strong enough to affect the oceans on Earth, resulting in low and high tides. Discover exactly how high and low tides work in this podcast from HowStuffWorks.com. Fri, 14 Aug 2009 09:19:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-14-brainstuff-tides.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, tides, moon high tide, moon low tide, gravitational force, Earth 00:01:49 The moon's gravitational pull is strong enough to affect the oceans on Earth, resulting in low and high tides. Discover exactly how high and low tides work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does the common cold work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-12-brainstuff-common-cold.mp3 We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we get colds? How do they work? Find out in this podcast from HowStuffWorks.com. Wed, 12 Aug 2009 10:10:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-12-brainstuff-common-cold.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, common cold, coughing, sneezing, runny nose, rhino virus, immune system 00:02:28 We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we get colds? How do they work? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com What are other ways to store energy besides batteries? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-10-brainstuff-storing-energy.mp3 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. Mon, 10 Aug 2009 10:29:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-10-brainstuff-storing-energy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, storing energy, batteries, falling weight, fuel cells, antimatter 00:04:23 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is the Nissan Leaf such a big deal? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-07-brainstuff-nissan-leaf.mp3 Nissan recently released the Leaf, a model which may be the first viable electric car to come on the market. How does it work? Why do people have high hopes for it? Tune in to this podcast from HowStuffWorks.com to find out more about the Nissan Leaf. Fri, 07 Aug 2009 15:26:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-07-brainstuff-nissan-leaf.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Nissan Leaf, electric car, lithium ion battery, recharging stations 00:05:36 Nissan recently released the Leaf, a model which may be the first viable electric car to come on the market. How does it work? Why do people have high hopes for it? Tune in to this podcast from HowStuffWorks.com to find out more about the Nissan Leaf. HowStuffWorks.com How does a traffic light detect cars? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-05-brainstuff-traffic-light.mp3 Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly. Wed, 05 Aug 2009 10:09:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-05-brainstuff-traffic-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, traffic light, car, timers, motion, weight, inductive loop, detectors, detect 00:03:22 Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly. HowStuffWorks.com Why do freezing temperatures yield both snow and rain? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-03-brainstuff-freezing-rain.mp3 When the temperature dips below freezing, precipitation often turns into snow, but sometimes you'll get freezing rain or sleet. Why? Find out in this podcast from HowStuffWorks.com. Mon, 03 Aug 2009 15:18:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-03-brainstuff-freezing-rain.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, 30 degrees Fahrenheit, freezing temperatures, precipitation, freezing rain, sleet 00:02:19 When the temperature dips below freezing, precipitation often turns into snow, but sometimes you'll get freezing rain or sleet. Why? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How long before sharks start going extinct? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-31-brainstuff-shark.mp3 Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com. Fri, 31 Jul 2009 10:30:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-31-brainstuff-shark.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sharks go extinct, shark extinction, 00:03:33 Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can some eggs be better for you than others? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-29-brainstuff-special-eggs.mp3 If you've been to the grocery store recently, you know that eggs come in many varieties, some claiming to be better for you than others. What differentiates a normal egg from a "special" one? Find out in this podcast from HowStuffWorks.com. Thu, 30 Jul 2009 15:11:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-29-brainstuff-special-eggs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, special eggs, egg patents, organic eggs, healthy eggs 00:02:22 If you've been to the grocery store recently, you know that eggs come in many varieties, some claiming to be better for you than others. What differentiates a normal egg from a "special" one? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How does catnip work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-27-brainstuff-catnip.mp3 You've probably heard that catnip drives felines wild, but did you know that it's a plant related to mint? And that it doesn't affect all cats? Find out how catnip works in this podcast from HowStuffWorks.com. Mon, 27 Jul 2009 12:40:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-27-brainstuff-catnip.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, catnip, catnip plant, catnip herb, catnip imported, catnip chemical 00:02:21 You've probably heard that catnip drives felines wild, but did you know that it's a plant related to mint? And that it doesn't affect all cats? Find out how catnip works in this podcast from HowStuffWorks.com. HowStuffWorks.com How much does planet Earth weigh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-24-brainstuff-earth-weigh.mp3 As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com. Fri, 24 Jul 2009 10:18:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-24-brainstuff-earth-weigh.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how much does the earth weigh, mass, calculating mass 00:02:40 As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com What's the deal with milk? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-22-brainstuff-milk.mp3 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. Wed, 22 Jul 2009 12:49:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-22-brainstuff-milk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, milk miracle drink, milk nutritional, mammal milk 00:03:09 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. HowStuffWorks.com What is the right way to remove a leech? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-20-brainstuff-leech-removal.mp3 People have cooked up all sorts of ways to remove leeches over the years, but the simplest is still the most effective. Discover how to safely detach a leech using your hands in this podcast from HowStuffWorks.com. Mon, 20 Jul 2009 11:03:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-20-brainstuff-leech-removal.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, right way to remove a leech, leech removal 00:02:34 People have cooked up all sorts of ways to remove leeches over the years, but the simplest is still the most effective. Discover how to safely detach a leech using your hands in this podcast from HowStuffWorks.com. HowStuffWorks.com How do honeybees make honey? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-17-brainstuff-honey.mp3 When it comes to making honey, bees are skilled chemists. Discover how they use enzymes to turn sugary flower nectar into a sweet, stable food source in this podcast from HowStuffWorks.com. Fri, 17 Jul 2009 10:10:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-17-brainstuff-honey.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, honey, honeybees, how do bees make honey, pollen, enzymes 00:02:18 When it comes to making honey, bees are skilled chemists. Discover how they use enzymes to turn sugary flower nectar into a sweet, stable food source in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do electric plugs have holes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-15-brainstuff-plug.mp3 You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. Wed, 15 Jul 2009 12:20:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-15-brainstuff-plug.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, prongs, electric plug holes, contact wiper, detenting 00:02:26 You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a medical leech? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-13-brainstuff-medical-leech.mp3 Medical leeches are raised in captivity and help patients heal wounds. Discover how leeches and other parasites are used for medical purposes in this podcast from HowStuffWorks.com. Mon, 13 Jul 2009 11:46:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-13-brainstuff-medical-leech.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, medical leech, medical parasites, medical maggots, anti-coagulant 00:02:37 Medical leeches are raised in captivity and help patients heal wounds. Discover how leeches and other parasites are used for medical purposes in this podcast from HowStuffWorks.com. HowStuffWorks.com What exactly is pastrami? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-10-brainstuff-pastrami.mp3 Like cheese, pastrami is a good example of old-fashioned food preservation techniques. Find out how corned beef becomes pastrami in this podcast from HowStuffWorks.com. Fri, 10 Jul 2009 10:38:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-10-brainstuff-pastrami.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, pastrami, food preservation, salt, corned beef, smoked 00:03:00 Like cheese, pastrami is a good example of old-fashioned food preservation techniques. Find out how corned beef becomes pastrami in this podcast from HowStuffWorks.com. HowStuffWorks.com Why are my power bills so high? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-08-brainstuff-power.mp3 When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com. Wed, 08 Jul 2009 12:40:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-08-brainstuff-power.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, high power bills, appliances, heating, cooling 00:03:32 When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How does pressure-treated lumber work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-06-brainstuff-pressure-treated.mp3 Treating lumber with chemicals is an effective way to protect wood from pests and other organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. Mon, 06 Jul 2009 11:25:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-06-brainstuff-pressure-treated.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, pressure-treated lumber, moisture, liquid preservative, pressurized, cca, acq 00:02:42 Treating lumber with chemicals is an effective way to protect wood from pests and other organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can an electric toothbrush recharge its batteries? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-03-brainstuff-toothbrush.mp3 An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com. Fri, 03 Jul 2009 11:57:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-03-brainstuff-toothbrush.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, electric toothbrush, recharge, batteries, inductive charging, transformer 00:01:42 An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com. HowStuffWorks.com How do neon and fluorescent lights differ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-01-brainstuff-neon.mp3 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. Wed, 01 Jul 2009 10:45:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-01-brainstuff-neon.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, neon light, fluorescent light, neon gas, mercury vapor, phosphor 00:03:00 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do hopping cars work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-29-brainstuff-lowrider.mp3 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. Mon, 29 Jun 2009 10:54:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-29-brainstuff-lowrider.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, lowrider, hopping cars, Southern California, hydraulics 00:01:57 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. HowStuffWorks.com How does an Indiglo watch work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-26-brainstuff-indiglo.mp3 An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com. Fri, 26 Jun 2009 10:46:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-26-brainstuff-indiglo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, indiglo watch, electroluminescence, electricity, light, neon sign, phosphor 00:02:23 An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com. HowStuffWorks.com How do sodium acetate heat pads work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-24-brainstuff-sodium-acetate-heat-pad.mp3 Sodium acetate heat pads start out as a pouch of liquid and crystallize into a warm solid. Explore the fascinating chemistry that makes these heat pads work in this podcast from HowStuffWorks.com. Wed, 24 Jun 2009 10:30:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-24-brainstuff-sodium-acetate-heat-pad.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sodium acetate heat pad, heat, sodium acetate 00:02:32 Sodium acetate heat pads start out as a pouch of liquid and crystallize into a warm solid. Explore the fascinating chemistry that makes these heat pads work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does water desalination work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-22-brainstuff-desalination.mp3 Most of the water on the planet is salty, so people have come up with various ways to turn it into freshwater. Explore three methods of desalinating water in this podcast from HowStuffWorks.com. Mon, 22 Jun 2009 10:33:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-22-brainstuff-desalination.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, water desalination, saltwater, reverse osmosis, boiling, flash distillation, water cone 00:02:14 Most of the water on the planet is salty, so people have come up with various ways to turn it into freshwater. Explore three methods of desalinating water in this podcast from HowStuffWorks.com. HowStuffWorks.com How do self-winding watches work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-19-brainstuff-self-winding-watch.mp3 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. Fri, 19 Jun 2009 09:09:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-19-brainstuff-self-winding-watch.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, self-winding watch, metal, gravity, gear train, arm 00:01:51 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. HowStuffWorks.com What are frankincense and myrrh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-17-brainstuff-frankincense-and-myrrh.mp3 You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast from HowStuffWorks.com. Wed, 17 Jun 2009 11:21:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-17-brainstuff-frankincense-and-myrrh.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, frankincense, myrrh, Jesus, burial 00:01:33 You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast from HowStuffWorks.com. HowStuffWorks.com How can turbines change our energy future? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-15-brainstuff-future-turbine.mp3 Gas turbine engines often power jet airplanes and helicopters, but they may turn up in other applications in the near future. Discover how turbine engines work in this podcast from HowStuffWorks.com. Mon, 15 Jun 2009 11:51:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-15-brainstuff-future-turbine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, turbines, energy, future, gas turbine, jet, helicopter 00:02:15 Gas turbine engines often power jet airplanes and helicopters, but they may turn up in other applications in the near future. Discover how turbine engines work in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a stratospheric aerosol? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-12-brainstuff-stratospheric-aerosols.mp3 Stratospheric aerosols have been proposed as a new way to combat global warming. Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. Fri, 12 Jun 2009 12:51:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-12-brainstuff-stratospheric-aerosols.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stratospheric aerosols, atmosphere, global warming, environment, green 00:02:08 Stratospheric aerosols have been proposed as a new way to combat global warming. Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a tank engine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-10-brainstuff-thomas.mp3 You've probably heard of the beloved character Thomas the Tank Engine, but have you ever wondered what makes him a tank engine? Discover what sets Thomas apart from his locomotive pals in this podcast from HowStuffWorks.com. Wed, 10 Jun 2009 11:10:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-10-brainstuff-thomas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Thomas the tank engine, steam engine, short haul, coal car, train, railroad 00:02:13 You've probably heard of the beloved character Thomas the Tank Engine, but have you ever wondered what makes him a tank engine? Discover what sets Thomas apart from his locomotive pals in this podcast from HowStuffWorks.com. HowStuffWorks.com How do space mirrors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-08-brainstuff-space-mirrors.mp3 Mirrors placed in space could deflect excessive sunlight and combat global warming trends. Find out more about space mirrors in this podcast from HowStuffWorks.com. Mon, 08 Jun 2009 13:19:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-08-brainstuff-space-mirrors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, space mirrors, global warming, deflect, sunlight, sunshades 00:01:46 Mirrors placed in space could deflect excessive sunlight and combat global warming trends. Find out more about space mirrors in this podcast from HowStuffWorks.com. HowStuffWorks.com How do the engines breathe in diesel submarines? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-05-brainstuff-diesel-sub.mp3 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. Fri, 05 Jun 2009 09:40:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-05-brainstuff-diesel-sub.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, engine, diesel submarine, breathe, sub, hybrid 00:01:41 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do CD-R discs work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-03-brainstuff-cd-r-disc.mp3 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. Wed, 03 Jun 2009 10:58:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-03-brainstuff-cd-r-disc.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, cd-r disc, laser, reflective area, nonreflective bump, green dye, recordable compact disc, cd 00:02:30 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. HowStuffWorks.com Where do bullets go when guns are fired into the air? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-01-brainstuff-bullets-in-air.mp3 When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com. Mon, 01 Jun 2009 10:59:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-01-brainstuff-bullets-in-air.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, bullets, fired, straight up, air resistance 00:01:35 When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do scratch-and-sniff stickers work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-29-brainstuff-scratch-and-sniff.mp3 Scratch-and-sniff stickers are novelties that delight both children and adults. Sniff out the ingenious technology that makes them work in this podcast from HowStuffWorks.com. Fri, 29 May 2009 09:08:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-29-brainstuff-scratch-and-sniff.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, scratch and sniff, stickers, microencapsulation, children's books, aroma, copy paper 00:02:21 Scratch-and-sniff stickers are novelties that delight both children and adults. Sniff out the ingenious technology that makes them work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a dollar bill changer work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-27-brainstuff-bill-changer.mp3 A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com. Wed, 27 May 2009 12:08:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-27-brainstuff-bill-changer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how do bill changers work, dollar bill changer 00:02:37 A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com. HowStuffWorks.com What happens when you press Alt and F4? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-25-brainstuff-alt-f4-key.mp3 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. Mon, 25 May 2009 15:28:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-25-brainstuff-alt-f4-key.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, alt-f4 key, keystroke, window, close, keyboard shortcuts, windows key 00:02:22 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. HowStuffWorks.com How do candles work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-22-brainstuff-candle.mp3 Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com. Fri, 22 May 2009 09:38:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-22-brainstuff-candle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, candle, fuel, wax, wick, twine, absorbent, vapor, paraffin, vaporize, combustion 00:03:05 Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com. HowStuffWorks.com How do Mexican jumping beans work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-20-brainstuff-mexican-jumping-beans.mp3 Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com. Wed, 20 May 2009 11:25:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-20-brainstuff-mexican-jumping-beans.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, mexican jumping beans, moth larva, eggs, seeds, moths 00:02:04 Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com. HowStuffWorks.com How does dry ice work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-18-brainstuff-dry-ice.mp3 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. Mon, 18 May 2009 13:08:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-18-brainstuff-dry-ice.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry ice, carbon dioxide, frozen, sublimation, gas, liquid nitrogen, solid 00:03:28 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What causes that howling sound in PA systems? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-15-brainstuff-feedback.mp3 A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com. Fri, 15 May 2009 13:08:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-15-brainstuff-feedback.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, feedback, PA system, public address, speakers, noise, loop, microphone, amplified 00:02:11 A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a hybrid car work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-13-brainstuff-hybrid-car.mp3 Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com. Wed, 13 May 2009 13:02:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-13-brainstuff-hybrid-car.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, hybrid cars, electric motor, gas engine, efficiency, drivetrain, heavy, braking 00:03:36 Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is dry ice dangerous? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-11-brainstuff-dry-ice-dangerous.mp3 Dry ice is different from regular ice because it's extremely cold and it emits carbon dioxide. Discover why the substance can be dangerous -- and safe ways to handle it -- in this podcast from HowStuffWorks.com. Mon, 11 May 2009 09:32:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-11-brainstuff-dry-ice-dangerous.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry ice, dangerous, super cold, temperature, gloves, carbon dioxide, ventilation 00:01:46 Dry ice is different from regular ice because it's extremely cold and it emits carbon dioxide. Discover why the substance can be dangerous -- and safe ways to handle it -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What's the birthday paradox? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-08-brainstuff-birthday-paradox.mp3 In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com. Fri, 08 May 2009 07:17:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-08-brainstuff-birthday-paradox.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, birthday paradox, same, birthday, group, individual, cryptography, hashing algorithm, birthday 00:02:20 In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com. HowStuffWorks.com What is market capitalization? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-06-brainstuff-stock-capitalization.mp3 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. Wed, 06 May 2009 13:22:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-06-brainstuff-stock-capitalization.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stock capitalization, new york stock exchange 00:02:56 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. HowStuffWorks.com What is sodium nitrate? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-04-brainstuff-sodium-nitrate.mp3 You'll find sodium nitrate in lots of pink meats like hot dogs and salami, but why? And is it bad for you? Find out what's up with sodium nitrate in this podcast from HowStuffWorks.com. Science & Medicine Mon, 04 May 2009 10:25:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-05-04-brainstuff-sodium-nitrate.mp3 00:02:23 no howstuffworks, brainstuff, sodium nitrate, hot dog, salami, pink, preservative, health, sodium nitrite You'll find sodium nitrate in lots of pink meats like hot dogs and salami, but why? And is it bad for you? Find out what's up with sodium nitrate in this podcast from HowStuffWorks.com. How does the oxygen sensor in a car work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-01-brainstuff-oxygen-sensor.mp3 All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. Science & Medicine Fri, 01 May 2009 10:18:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-05-01-brainstuff-oxygen-sensor.mp3 00:02:35 no howstuffworks, brainstuff, oxygen sensor, emissions, engine, mixture, lean, rich, air fuel ratio All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do motion sensors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-29-brainstuff-motion-sensors.mp3 There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. Science & Medicine Wed, 29 Apr 2009 06:41:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-29-brainstuff-motion-sensors.mp3 00:02:46 no howstuffworks, brainstuff, motion sensors, burglar alarms, radar, motion sensing, PIR, infrared, temperature There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. HowStuffWorks.com What would happen on a carousel moving at the speed of light? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-27-brainstuff-light-carosel.mp3 If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Marshall Brain as he breaks down the speed of light and time in this podcast from HowStuffWorks.com. Science & Medicine Mon, 27 Apr 2009 15:41:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-27-brainstuff-light-carosel.mp3 00:02:45 no howstuffworks, carousel, carousel at the speed of light, brainstuff If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Marshall Brain as he breaks down the speed of light and time in this podcast from HowStuffWorks.com. HowStuffWorks.com Why does my hard drive make that churning sound? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-24-brainstuff-hd-churning.mp3 Inside the hard drive of many computers, a small arm moves across the face of the hard disk. Tune in to this podcast from HowStuffWorks.com to discover how the movement of this arm produces sound -- and why the arm must move to load files. Science & Medicine Fri, 24 Apr 2009 07:10:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-24-brainstuff-hd-churning.mp3 00:03:13 no howstuffworks, brainstuff, hard drive, hard disk, churning, retrieving, data, arm, sound, files Inside the hard drive of many computers, a small arm moves across the face of the hard disk. Tune in to this podcast from HowStuffWorks.com to discover how the movement of this arm produces sound -- and why the arm must move to load files. HowStuffWorks.com How does a Fresnel lens work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-22-brainstuff-fresnel-lens.mp3 The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. Science & Medicine Wed, 22 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-22-brainstuff-fresnel-lens.mp3 00:02:20 no howstuffworks, brainstuff, Fresnel lens, optics, lens, plastic lens, magnifying glass, design, benefits The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a Crooke's radiometer work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-20-brainstuff-crookes-radiometer.mp3 Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com. Science & Medicine Mon, 20 Apr 2009 09:49:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-20-brainstuff-crookes-radiometer.mp3 00:01:54 no howstuffworks, brainstuff, Crooke's radiometer Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com. HowStuffWorks.com How is wire measured? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-17-brainstuff-wire-diameter.mp3 In the United States, wires are measured by diameter using a standard called AWG, or American Wire Gauge. Discover how the AWG system works -- and where it came from -- in this podcast from HowStuffWorks.com. Science & Medicine Fri, 17 Apr 2009 09:49:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-17-brainstuff-wire-diameter.mp3 00:01:39 no howstuffworks, brainstuff, wire, diameter, measurement, AWG, american wire gauge, gauge, higher, thinner In the United States, wires are measured by diameter using a standard called AWG, or American Wire Gauge. Discover how the AWG system works -- and where it came from -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How does an upside down airplane's engine get fuel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-15-brainstuff-upside-down-airplane.mp3 Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. Science & Medicine Wed, 15 Apr 2009 10:15:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-15-brainstuff-upside-down-airplane.mp3 00:01:52 no howstuffworks, brainstuff, acrobatic plane, fuel, upside down, gravity, flop tube, fuel tank Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. HowStuffWorks.com What's that bumpy stuff on my ceiling? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-13-brainstuff-popcorn-ceiling.mp3 That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from HowStuffWorks.com to find out what this treatment is -- and why it's so popular. Science & Medicine Mon, 13 Apr 2009 09:50:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-13-brainstuff-popcorn-ceiling.mp3 00:02:03 no howstuffworks, brainstuff, popcorn, ceiling, treatment, acoustic finish, textured finish, imperfections, echo, plaster That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from HowStuffWorks.com to find out what this treatment is -- and why it's so popular. HowStuffWorks.com How does popcorn work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-10-brainstuff-popcorn.mp3 Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. Science & Medicine Fri, 10 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-10-brainstuff-popcorn.mp3 00:02:37 no howstuffworks, brainstuff, popcorn, kernel, starch, moisture, pressure, shell, explode, heat, bread, needle Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com Is there a way to detect illegal phone taps? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-08-brainstuff-phone-taps.mp3 Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps. Science & Medicine Wed, 08 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-08-brainstuff-phone-taps.mp3 00:02:17 no howstuffworks, brainstuff, phone taps, illegal, federal offense, splice, land line, tape recorder Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps. HowStuffWorks.com How does an oxygen canister on an airplane work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-06-brainstuff-oxygen-canister.mp3 When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. Science & Medicine Mon, 06 Apr 2009 11:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-06-brainstuff-oxygen-canister.mp3 00:02:36 no howstuffworks, brainstuff, oxygen canister, store, oxygen, scuba, chemical oxygen generators, sodium chlorate When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. HowStuffWorks.com How does nitrous oxide help an engine perform better? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-03-brainstuff-nitrous.mp3 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. Science & Medicine Fri, 03 Apr 2009 11:30:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-03-brainstuff-nitrous.mp3 00:02:11 no howstuffworks, brainstuff, nitrous oxide, engine, power, combustion, nitrous, oxygen, heat, cooling, nitrogen Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. HowStuffWorks.com How do nail penny measurements work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-01-brainstuff-nail-pennies.mp3 Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from. Science & Medicine Wed, 01 Apr 2009 08:00:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-01-brainstuff-nail-pennies.mp3 00:01:40 no howstuffworks, brainstuff, nails, pennies, penny, diameter, measurement, unit, measured, nail pennies, nail Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from. HowStuffWorks.com Can you explain the diameter measurements used in bullets? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-30-bullet-caliber.mp3 Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com. Science & Medicine Mon, 30 Mar 2009 20:00:00 +0000 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-03-30-bullet-caliber.mp3 00:01:36 no howstuffworks, brainstuff, bullet, caliber, diameter, measurements, magnum, special, gauge, powder, shotgun, lead Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com. HowStuffWorks.com Can grilling meat really cause cancer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-23-brainstuff-meat-cancer.mp3 Lots of people like to grill their meat, but this popular cooking method has been linked to cancer. Discover how chemical reactions make grilled meat potentially carcinogenic in this podcast from HowStuffWorks.com. Science & Medicine Mon, 23 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237580730804hsw-brainstuff-meat-cancer.mp3 00:02:06 no howstuffworks, brainstuff, cancer, grilling, meat, polycyclic aromatic hydrocarbons, benzene rings, heat, chemical Lots of people like to grill their meat, but this popular cooking method has been linked to cancer. Discover how chemical reactions make grilled meat potentially carcinogenic in this podcast from HowStuffWorks.com. HowStuffWorks.com How does gravity work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-20-brainstuff-gravity.mp3 Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. Science & Medicine Fri, 20 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237483480553hsw-brainstuff-gravity.mp3 00:02:24 no howstuffworks, brainstuff, gravity, mass, force, G, Newton, Einstein, gravitational constant, dyne, law Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. HowStuffWorks.com How quickly does hair grow? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-18-brainstuff-hair-growth.mp3 On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. Science & Medicine Wed, 18 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237313901173hsw-brainstuff-hair-growth.mp3 00:01:07 no howstuffworks, brainstuff, hair growth, human, hair, grow, millimeter, long hair, six years On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. HowStuffWorks.com How long can a germ live in a room? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-16-brainstuff-germ-life.mp3 How long can a germ last outside the body? It depends. Tune in to this podcast from HowStuffWorks.com to find out how different germs fare outside the body. Science & Medicine Mon, 16 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236974289713hsw-brainstuff-germ-life.mp3 00:01:53 no howstuffworks, brainstuff, germ, type, infectious, virus, bacterium, smallpox, anthrax, AIDS, hepatitis, syphilis How long can a germ last outside the body? It depends. Tune in to this podcast from HowStuffWorks.com to find out how different germs fare outside the body. HowStuffWorks.com How do fog machines work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-13-brainstuff-fog-machine.mp3 There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. Science & Medicine Fri, 13 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367805071hsw-brainstuff-fog-machine.mp3 00:01:36 no howstuffworks, brainstuff, fog machine, how do fog machines work, fog, dry ice There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. HowStuffWorks.com How does a chicken's egg get its shell? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-11-brainstuff-egg-shells.mp3 Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. Science & Medicine Wed, 11 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367757385hsw-brainstuff-egg-shells.mp3 00:01:23 no howstuffworks, brainstuff, egg shells, eggs, chicken, egg formation Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Are florescent bulbs really more efficient? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-09-brainstuff-bulb-efficiency.mp3 Customers are increasingly choosing long-lasting alternatives to traditional incandescent lights. But are florescent lightbulbs really more efficient than traditional lightbulbs? Listen in and find out in this podcast from HowStuffWorks.com. Science & Medicine Mon, 09 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367688262hsw-brainstuff-bulb-efficiency.mp3 00:01:10 no howstuffworks, brainstuff, florescent lightbulb, light bulb efficiency Customers are increasingly choosing long-lasting alternatives to traditional incandescent lights. But are florescent lightbulbs really more efficient than traditional lightbulbs? Listen in and find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How Car Thermostats Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-06-brainstuff-car-themostat.mp3 Any liquid-cooled car engine has a thermostat that blocks the flow of coolant to the radiator. Learn how the thermostat works to reduce wear, deposits and emissions in this podcast from HowStuffWorks.com. Science & Medicine Fri, 06 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236194037623hsw-brainstuff-car-themostat.mp3 00:02:04 no brainstuff, car thermostat, car temperature, automobile thermostat Any liquid-cooled car engine has a thermostat that blocks the flow of coolant to the radiator. Learn how the thermostat works to reduce wear, deposits and emissions in this podcast from HowStuffWorks.com. HowStuffWorks.com Why can boats float on water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-04-brainstuff-boat-float.mp3 If a boat weighs 1,000 pounds, it will sink into the water until it displaces 1,000 pounds of water. Tune in to learn how the shape of a boat allows it to displace enough water to float in this podcast from HowStuffWorks.com. Science & Medicine Wed, 04 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236022322232hsw-brainstuff-boat-float.mp3 00:03:02 no howstuffworks, brainstuff, boat float, how do boats float? If a boat weighs 1,000 pounds, it will sink into the water until it displaces 1,000 pounds of water. Tune in to learn how the shape of a boat allows it to displace enough water to float in this podcast from HowStuffWorks.com. HowStuffWorks.com How the Virtual First-Down Line Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-02-brainstuff-first-down-line1.mp3 Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com. Science & Medicine Mon, 02 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235753277550hsw-brainstuff-first-down-line1.mp3 00:03:23 no howstuffworks, brainstuff, virtual first down line, first down, football Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com. HowStuffWorks.com How does hemp work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-27-brainstuff-hemp.mp3 Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy surrounding hemp in this podcast from HowStuffWorks.com. Science & Medicine Fri, 27 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235161079242hsw-brainstuff-hemp.mp3 00:02:30 no howstuffworks, hemp, marijuana, hemp fibers, hemp clothing, brainstuff Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy surrounding hemp in this podcast from HowStuffWorks.com. HowStuffWorks.com What is dioxin? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-25-brainstuff-dioxin.mp3 Dioxin is an organic chemical that consists of benzene, oxygen and chlorine. This chemical is also toxic. Tune in to learn more about dioxin and Agent Orange in this podcast from HowStuffWorks.com. Science & Medicine Wed, 25 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235160624439hsw-brainstuff-dioxin.mp3 00:02:19 no howstuffworks, brainstuff, dioxin, agent orange, DDT, toxic chemicals, dioxin toxicity Dioxin is an organic chemical that consists of benzene, oxygen and chlorine. This chemical is also toxic. Tune in to learn more about dioxin and Agent Orange in this podcast from HowStuffWorks.com. HowStuffWorks.com How do bake and broil settings differ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-23-brainstuff-bake-v-broil.mp3 Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. Science & Medicine Mon, 23 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235154144698hsw-brainstuff-bake-v-broil.mp3 00:03:00 no howstuffworks, brainstuff, oven, bake, broil, hot air, preheat, infrared radiation, grill, broiler Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. HowStuffWorks.com How Activated Charcoal Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-20-brainstuff-activated-charcoal.mp3 If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com. Science & Medicine Fri, 20 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235069164274hsw-brainstuff-activated-charcoal.mp3 00:01:54 no howstuffworks, brainstuff, charcoal water filter, activated charcoal, charcoal filtration If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com. HowStuffWorks.com How do astronomers measure distance? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-18-brainstuff-distance-to-star.mp3 Since astronomers cannot actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this podcast from HowStuffWorks. Science & Medicine Wed, 18 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234891250403hsw-brainstuff-distance-to-star.mp3 00:01:59 no howstuffworks, brainstuff, distance from earth, star distance, parallax Since astronomers cannot actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this podcast from HowStuffWorks. HowStuffWorks.com Why do hurricanes follow such peculiar tracks? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-16-brainstuff-hurricane-tracks.mp3 Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes. Science & Medicine Mon, 16 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234546817949hsw-brainstuff-hurricane-tracks.mp3 00:01:58 no howstuffworks, brainstuff, hurricanes, hurricane movement, tropical storm, formation of hurricanes Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes. HowStuffWorks.com How big is the universe? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-13-brainstuff-mass-of-universe.mp3 If all the matter in the universe was pushed into one corner, how much space would it take up? Listen in as Marshall Brain explores the size of the universe in this podcast from HowStuffWorks. Science & Medicine Fri, 13 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234460598290hsw-brainstuff-mass-of-universe.mp3 00:02:24 no howstuffworks, brainstuff, mass of universe, how big is the universe? If all the matter in the universe was pushed into one corner, how much space would it take up? Listen in as Marshall Brain explores the size of the universe in this podcast from HowStuffWorks. HowStuffWorks.com How does SETI at home work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-11-brainstuff-seti.mp3 SETI -- the Search for Extraterrestrial Intelligence -- is an enormous, global undertaking meant to detect signs of life beyond our solar system. Learn how you can help from home in this podcast from HowStuffWorks. Science & Medicine Wed, 11 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234282130011hsw-brainstuff-seti.mp3 00:03:39 no howstuffworks, brainstuff, seti, satellite, SETI at home SETI -- the Search for Extraterrestrial Intelligence -- is an enormous, global undertaking meant to detect signs of life beyond our solar system. Learn how you can help from home in this podcast from HowStuffWorks. HowStuffWorks.com How often do state quarters come out? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-09-brainstuff-state-quarters.mp3 A new state quarter is released about every ten weeks, and they're released according to the order in which each state joined the union. Learn more about state quarters in this podcast from HowStuffWorks. Science & Medicine Mon, 09 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233950304870hsw-brainstuff-state-quarters.mp3 00:01:29 no howstuffworks, brainstuff, state quarters, how quarters work, A new state quarter is released about every ten weeks, and they're released according to the order in which each state joined the union. Learn more about state quarters in this podcast from HowStuffWorks. HowStuffWorks.com What do the ul marks on so many products mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-06-brainstuff-ul-mark.mp3 UL stands for 'underwriters laboratories,' a safety testing organization -- but what exactly does this group do, and why do they do it? Tune in and learn more about the UL mark in this podcast from HowStuffWorks. Science & Medicine Fri, 06 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233866351737hsw-brainstuff-ul-mark.mp3 00:01:26 no howstuffworks, brainstuff, UL, underwriter's laboratories, branding, food safety UL stands for 'underwriters laboratories,' a safety testing organization -- but what exactly does this group do, and why do they do it? Tune in and learn more about the UL mark in this podcast from HowStuffWorks. HowStuffWorks.com What does the VTEC system do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-04-brainstuff-vtec.mp3 Every gasoline engine has valves that work with the camshaft to let air into and out of the engine. Learn how VTEC -- Variable Valve Timing and Lift Electronic Control -- allows engines to adapt their camshafts in this HowStuffWorks podcast. Science & Medicine Wed, 04 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233695231574hsw-brainstuff-vtec.mp3 00:02:15 no brainstuff, howstuffworks, v-tec, what is v-tec, how vtec works Every gasoline engine has valves that work with the camshaft to let air into and out of the engine. Learn how VTEC -- Variable Valve Timing and Lift Electronic Control -- allows engines to adapt their camshafts in this HowStuffWorks podcast. HowStuffWorks.com What is silica gel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-02-brainstuff-silica-gel.mp3 Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do? Check out this HowStuffWorks podcast and learn more about silica gel. Science & Medicine Mon, 02 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233335661445hsw-brainstuff-silica-gel.mp3 00:01:43 no howstuffworks, brainstuff, silica gel, desiccant Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do? Check out this HowStuffWorks podcast and learn more about silica gel. HowStuffWorks.com Why doesn't the vacuum of space suck away Earth's atmosphere? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-30-brainstuff-vacuum.mp3 It's often said that "nature abhores a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. Science & Medicine Fri, 30 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233170887984hsw-brainstuff-vacuum.mp3 00:02:50 no howstuffworks, how stuff works, vacuum, space, brainstuff, atomspheric pressure, vacuum of space It's often said that "nature abhores a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. HowStuffWorks.com How can I gain pounds during the day and lose them at night? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-28-brainstuff-water-weight.mp3 Water is a very heavy substance -- just one galloon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. Science & Medicine Wed, 28 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233084019533hsw-brainstuff-water-weight.mp3 00:01:50 no brainstuff, brain stuff, howstuffworks, water weight, weight fluctuation Water is a very heavy substance -- just one galloon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. HowStuffWorks.com What's the total amount of gold in the world? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-26-brainstuff-amount-of-gold.mp3 Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. Science & Medicine Mon, 26 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1232040367163hsw-brainstuff-amount-of-gold.mp3 00:03:32 no howstuffworks, brainstuff, gold, amount, troy ounce, kilogram, liter, aztecs, washington monument, platinum Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. HowStuffWorks.com What type of gas do racecars use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-23-brainstuff-race-gas.mp3 Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. Science & Medicine Fri, 23 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231535083840hsw-brainstuff-race-gas.mp3 00:01:21 no brainstuff, howstuffworks, race car gas, petroleum, ethanol, dragster fuel, racing fuel Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. HowStuffWorks.com What do those plastic recycling symbols means? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-21-brainstuff-plastic-recycling.mp3 A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. Science & Medicine Wed, 21 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231535038895hsw-brainstuff-plastic-recycling.mp3 00:02:31 no brainstuff, howstuffworks, recycling, plastic recycling, types of plastic A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. HowStuffWorks.com What's in mothballs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-19-brainstuff-moth-balls.mp3 There are two different types of mothballs, each of which contains separate moth-killing ingredients. Tune in as Marshall Brain explains the science behind mothballs in this podcast from HowStuffWorks. Science & Medicine Mon, 19 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231534990654hsw-brainstuff-moth-balls.mp3 00:02:09 no brainstuff, howstuffworks, mothballs, moth balls, clothing, mothball fumes There are two different types of mothballs, each of which contains separate moth-killing ingredients. Tune in as Marshall Brain explains the science behind mothballs in this podcast from HowStuffWorks. HowStuffWorks.com What is the heat index? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-16-brainstuff-heat-index.mp3 Your body has efficient ways to release excess heat, but high temperatures and high humidity create a sticky situation. Find out how the heat index keeps you abreast of dangerous heat situations in this HowStuffWorks podcast. Science & Medicine Fri, 16 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231532662492hsw-brainstuff-heat-index.mp3 00:02:21 no howstuffworks, brainstuff, heat, index, heat index, heat, cooling, evaporative, sweat, humidity, weather Your body has efficient ways to release excess heat, but high temperatures and high humidity create a sticky situation. Find out how the heat index keeps you abreast of dangerous heat situations in this HowStuffWorks podcast. HowStuffWorks.com Why do your ears pop when you dive in a deep pool? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-14-brainstuff-ears-in-pool.mp3 Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this HowStuffWorks podcast reveals. Science & Medicine Wed, 14 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231532591287hsw-brainstuff-ears-in-pool.mp3 00:02:39 no howstuffworks, brainstuff, ears, pool, ear canal, ear drum, middle ear, Eustachian tube Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this HowStuffWorks podcast reveals. HowStuffWorks.com How do you make clear ice cubes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-12-brainstuff-clear-ice.mp3 What makes some ice cloudy and some perfectly clear? Discover the answer and learn how to make your own batch of clear cubes in this HowStuffWorks podcast. Science & Medicine Mon, 12 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231531745231hsw-brainstuff-clear-ice.mp3 00:01:24 no howstuffworks, brainstuff, clear, ice, ice cubes, layers, pure, water, icemaker, distilled water What makes some ice cloudy and some perfectly clear? Discover the answer and learn how to make your own batch of clear cubes in this HowStuffWorks podcast. HowStuffWorks.com How many balloons would it take to life someone off the ground? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-09-brainstuff-lift-with-balloons.mp3 Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more. Science & Medicine Fri, 09 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231430857469hsw-brainstuff-lift-with-balloons.mp3 00:01:42 no brainstuff, brain stuff, howstuffworks, helium balloons, how many balloons will lift me Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more. HowStuffWorks.com How does chlorine bleach work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-07-brainstuff-bleach.mp3 When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products. Science & Medicine Wed, 07 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231185343836hsw-brainstuff-bleach.mp3 00:02:29 no howstuffworks, brainstuff, brain stuff, bleach, chlorine, chlorine beach When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products. HowStuffWorks.com Can water go bad? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-05-brainstuff-bad-water.mp3 Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Marshall Brain breaks down the science of water purification in this HowStuffWorks podcast. Science & Medicine Mon, 05 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1230740404523hsw-brainstuff-bad-water.mp3 00:01:57 no brainstuff, brain stuff, water, can water go bad, water contamination, purified water, wells, emergency water Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Marshall Brain breaks down the science of water purification in this HowStuffWorks podcast. HowStuffWorks.com How can you figure out how far away lightning struck? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-02-brainstuff-lightning-distance.mp3 Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. Science & Medicine Fri, 02 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712926896hsw-brainstuff-lightning-distance.mp3 00:01:38 no brainstuff, howstuffworks, lightning, calculate lightning, thunder Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. HowStuffWorks.com What's the difference between LPG or natural gas? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-31-brainstuff-lpg-vs-ng.mp3 Since liquefied petroleum gas and natural gas have very different properties, it's always important to specify which substance you will use when buying an appliance. Check out this podcast from HowStuffWorks to learn more. Science & Medicine Wed, 31 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712869939hsw-brainstuff-lpg-vs-ng.mp3 00:02:27 no brainstuff, howstuffworks, liquefied petroleum gas, natural gas Since liquefied petroleum gas and natural gas have very different properties, it's always important to specify which substance you will use when buying an appliance. Check out this podcast from HowStuffWorks to learn more. HowStuffWorks.com Why is carbon monoxide so poisonous? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-29-brainstuff-carbon-monoxide.mp3 The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more. Science & Medicine Mon, 29 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712790251hsw-brainstuff-carbon-monoxide.mp3 00:01:52 no brainstuff, howstuffworks, carbon monoxide, pollution, asphyxiation The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more. HowStuffWorks.com How Botulism Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-26-brainstuff-botulism.mp3 Botulism bacteria creates a type of poisoning and paralysis. Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. Science & Medicine Fri, 26 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712710657hsw-brainstuff-botulism.mp3 00:02:20 no brainstuff, howstuffworks, botulism, canned food, botulin, honey Botulism bacteria creates a type of poisoning and paralysis. Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. HowStuffWorks.com What is the ideal temperature for a refrigerator? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-24-brainstuff-refrig-temp.mp3 The purpose of a refrigerator is to slow the growth of bacteria -- since some foods don't freeze well, they can't be placed in a freezer. Check out this HowStuffWorks podcast to learn the ideal temperature for your refrigerator. Science & Medicine Wed, 24 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229117000843hsw-brainstuff-refrig-temp.mp3 00:01:19 no brainstuff, brain stuff, howstuffworks, how stuff works, The purpose of a refrigerator is to slow the growth of bacteria -- since some foods don't freeze well, they can't be placed in a freezer. Check out this HowStuffWorks podcast to learn the ideal temperature for your refrigerator. HowStuffWorks.com Does adding RAM make a computer faster? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-22-brainstuff-ram.mp3 Adding random access memory -- or RAM -- to your computer can, to a degree, make the machine faster. Check out this podcast from HowStuffWorks to learn how RAM affects your computer. Science & Medicine Mon, 22 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229116943854hsw-brainstuff-ram.mp3 00:03:00 no brainstuff, brain stuff, howstuffworks, how stuff works, random access memory, ram, computer Adding random access memory -- or RAM -- to your computer can, to a degree, make the machine faster. Check out this podcast from HowStuffWorks to learn how RAM affects your computer. HowStuffWorks.com What does 'octane' mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-19-brainstuff-octane.mp3 The octane rating of gasoline indicates how much a fuel can be compressed before it ignites. When gas ignites due to compression, knocking occurs within the engine. Check out this HowStuffWorks podcast to learn more about octane and engines. Science & Medicine Fri, 19 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229116892223hsw-brainstuff-octane.mp3 00:02:43 no brainstuff, brain stuff, howstuffworks, how stuff works, octane, fuel The octane rating of gasoline indicates how much a fuel can be compressed before it ignites. When gas ignites due to compression, knocking occurs within the engine. Check out this HowStuffWorks podcast to learn more about octane and engines. HowStuffWorks.com How Contrails Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-17-brainstuff-contrail.mp3 The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. Science & Medicine Wed, 17 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835933043hsw-brainstuff-contrail.mp3 00:01:55 no brainstuff, brain stuff, howstuffworks, how stuff works, contrails, condensation trails, condensation The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. HowStuffWorks.com How Vacuums Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-15-brainstuff-vacuum-balloon.mp3 If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. Science & Medicine Mon, 15 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835446293hsw-brainstuff-vacuum-balloon.mp3 00:01:58 no brainstuff, brain stuff, howstuffworks, how stuff works, vacuum, ballon, vacuum balloon, helium balloon If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. HowStuffWorks.com What is an MRE? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-12-brainstuff-mre.mp3 An MRE -- or meal ready to eat -- contains precooked, sterilized food originally made to nourish soldiers. Check out this HowStuffWorks podcast to learn more about the retort packaging that makes MREs possible. Science & Medicine Fri, 12 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835391429hsw-brainstuff-mre.mp3 00:01:27 no brainstuff, brain stuff, howstuffworks, how stuff works, meal ready to eat, MRE, packaged food An MRE -- or meal ready to eat -- contains precooked, sterilized food originally made to nourish soldiers. Check out this HowStuffWorks podcast to learn more about the retort packaging that makes MREs possible. HowStuffWorks.com How Diaper Crystals Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-10-brainstuff-diaper-crystals.mp3 Most disposable diapers contain a crystalline, absorbent substance called sodium polyacrylate. Learn how this polymer helps contain messes -- and some of the controversy surrounding this substance -- in this podcast from HowStuffWorks. Science & Medicine Wed, 10 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835337049hsw-brainstuff-diaper-crystals.mp3 00:01:35 no brainstuff, brain stuff, howstuffworks, how stuff works, sodium polyacrylate, disposable diaper, diaper, diaper crystals Most disposable diapers contain a crystalline, absorbent substance called sodium polyacrylate. Learn how this polymer helps contain messes -- and some of the controversy surrounding this substance -- in this podcast from HowStuffWorks. HowStuffWorks.com How Case Hardening Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-08-brainstuff-case-harden.mp3 Steel is an amazing metal. Many different varieties of steel exist, and some types of steel are better for certain tasks. Check out this HowStuffWorks podcast to learn how case hardening allows manufactures to get the best of multiple types of steel. Science & Medicine Mon, 08 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228505878716hsw-brainstuff-case-harden.mp3 00:01:41 no brainstuff, brain stuff, case harden, steel, case hardening, steel alloy Steel is an amazing metal. Many different varieties of steel exist, and some types of steel are better for certain tasks. Check out this HowStuffWorks podcast to learn how case hardening allows manufactures to get the best of multiple types of steel. HowStuffWorks.com How Inkjet Printers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-05-brainstuff-inkjet.mp3 Inkjet printers shoot extremely small droplets of ink -- thirty dots per millimeter or more -- onto paper to produce a picture. Check out this HowStuffWorks podcast to learn more about inkjet printers. Science & Medicine Fri, 05 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647544170hsw-brainstuff-inkjet.mp3 00:01:30 no howstuffworks, how stuff works, hsw, brainstuff, brain stuff, inkjet Inkjet printers shoot extremely small droplets of ink -- thirty dots per millimeter or more -- onto paper to produce a picture. Check out this HowStuffWorks podcast to learn more about inkjet printers. HowStuffWorks.com How Polygraph Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-03-brainstuff-polygraph.mp3 Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection. Science & Medicine Wed, 03 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647492852hsw-brainstuff-polygraph.mp3 00:02:04 no howstuffworks, how stuff works, hsw, brain stuff, brainstuff, polygraph, lie detector Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection. HowStuffWorks.com How V-chips Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-01-brainstuff-vchip.mp3 As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings. Science & Medicine Mon, 01 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647430613hsw-brainstuff-vchip.mp3 00:02:22 no howstuffworks, how stuff works, hsw, brainstuff, brain stuff, vchip, As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings. HowStuffWorks.com How Replacing Toilets Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-28-brainstuff-replace-toilets.mp3 A family of four can consume more than 300 galloons of water per day. Old toilets use 5 galloons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. Science & Medicine Fri, 28 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227126109190hsw-brainstuff-replace-toilets.mp3 00:01:44 no howstuffworks, how stuff works, brainstuff, brain stuff, toilets, toilet, commode A family of four can consume more than 300 galloons of water per day. Old toilets use 5 galloons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. HowStuffWorks.com Can I see the stuff astronauts left on the moon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-26-brainstuff-moon-telescope.mp3 Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. Science & Medicine Wed, 26 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227126044328hsw-brainstuff-moon-telescope.mp3 00:01:27 no howstuffworks, how stuff works, brainstuff, brain stuff, astronomy, space, moon telescope, lunar telescope, NASA Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. HowStuffWorks.com How the Horizon Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-24-brainstuff-horizon.mp3 When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this HowStuffWorks podcast to learn more about the horizon and the curvature of Earth. Science & Medicine Mon, 24 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227125995212hsw-brainstuff-horizon.mp3 00:01:12 no howstuffworks, how stuff works, brainstuff, brain stuff, horizon, perspective When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this HowStuffWorks podcast to learn more about the horizon and the curvature of Earth. HowStuffWorks.com How much fuel does an international airplane use for a trip? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-21-brainstuff-airplane-mileage.mp3 A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. Science & Medicine Fri, 21 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034227768hsw-brainstuff-airplane-mileage.mp3 00:01:35 no howstuffworks, how stuff works, brainstuff, brain stuff, airplane mileage, airplane, aircraft, airplane fuel A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. HowStuffWorks.com What are MP3 files and how do they work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-19-brainstuff-mp3.mp3 CDs store music using 44,100 16-bit digital samples per second, adding up to about 10 megabytes per minute -- and that's too large to move easily move across the internet. Check out this HowStuffWorks podcast to learn how MP3 files solve this problem. Science & Medicine Wed, 19 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034165326hsw-brainstuff-mp3.mp3 00:02:06 no brain stuff, brainstuff, mp3, electronic music, digital music, howstuffworks, how stuff works CDs store music using 44,100 16-bit digital samples per second, adding up to about 10 megabytes per minute -- and that's too large to move easily move across the internet. Check out this HowStuffWorks podcast to learn how MP3 files solve this problem. HowStuffWorks.com How Sea Monkeys Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-17-brainstuff-sea-monkeys.mp3 Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this HowStuffWorks podcast and learn more about the secret behind Sea Monkeys. Science & Medicine Mon, 17 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226692289275hsw-brainstuff-sea-monkeys.mp3 00:01:20 no brainstuff, brain stuff, howstuffworks, hsw, sea monkey, sea monkeys, brine shrimp, shrimp, cyst Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this HowStuffWorks podcast and learn more about the secret behind Sea Monkeys. HowStuffWorks.com How much oxygen does a person consume in a day? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-14-brainstuff-oxygen.mp3 The average adult at rest inhales and exhales between 7 to 8 liters of air each minutes. Check out this HowStuffWorks podcast to learn how much oxygen a person uses during a day of inhalation and exhalation. Science & Medicine Fri, 14 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226428546386hsw-brainstuff-oxygen.mp3 00:01:41 no brainstuff, brain stuff, hsw, howstuffworks, oxygen, inhalation, exhalation, breathing, respiration The average adult at rest inhales and exhales between 7 to 8 liters of air each minutes. Check out this HowStuffWorks podcast to learn how much oxygen a person uses during a day of inhalation and exhalation. HowStuffWorks.com How Marshmallows Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-12-brainstuff-marshmallow.mp3 Marshmallows are an old candy -- they've been around since the 1800s. The name marshmallow comes from the original recipe, which called for sap from the marshmallow plant. Check out this HowStuffWorks to learn more about the history of marshmallows. Science & Medicine Wed, 12 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226428267065hsw-brainstuff-marshmallow.mp3 00:01:41 no brainstuff, brain stuff, hsw, howstuffworks, marshmallow, candy, gelatin Marshmallows are an old candy -- they've been around since the 1800s. The name marshmallow comes from the original recipe, which called for sap from the marshmallow plant. Check out this HowStuffWorks to learn more about the history of marshmallows. HowStuffWorks.com What is a lightyear? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-10-brainstuff-lightyear.mp3 A lightyear is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this podcast from HowStuffWorks to learn more about astronomy. Science & Medicine Mon, 10 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226066198342hsw-brainstuff-lightyear.mp3 00:02:46 no brainstuff, brain stuff, podcast, howstuffworks, light year, lightyear, astronomy, space, A lightyear is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this podcast from HowStuffWorks to learn more about astronomy. HowStuffWorks.com Why are traffic lights being replaced with LEDs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-07-brainstuff-led-traffic-lights.mp3 Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. Science & Medicine Fri, 07 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225749216218hsw-brainstuff-led-traffic-lights.mp3 00:01:46 no howstuffworks, hsw, brainstuff, brain stuff, LED, traffic light, traffic Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. HowStuffWorks.com What are hot dogs made from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-05-brainstuff-hot-dogs.mp3 Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. Science & Medicine Wed, 05 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225749104646hsw-brainstuff-hot-dogs.mp3 00:02:12 no howstuffworks, hsw, brainstuff, brain stuff, hot dogs, hot dog, pork Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. HowStuffWorks.com Why is there a small hole on the top of spray can lids? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-03-brainstuff-spray-can-lid.mp3 Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping, and air pressure. Science & Medicine Mon, 03 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225394698716hsw-brainstuff-spray-can-lid.mp3 00:01:22 no brainstuff, brain stuff, how stuff works, spray can, spray paint can, spray paint, pressure, spray can lid Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping, and air pressure. HowStuffWorks.com What Happens to Blood During the Embalming Process? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-31-brainstuff-embalming.mp3 The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks podcast. Science & Medicine Fri, 31 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225373073127hsw-brainstuff-embalming.mp3 00:02:37 no howstuffworks, brainstuff, blood, embalming, preservatives, embalming fluid, sewer, arteries, veins, bloat, organs The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks podcast. HowStuffWorks.com What causes poison ivy blisters? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-29-brainstuff-poison-ivy.mp3 When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes. Science & Medicine Wed, 29 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225225803535hsw-brainstuff-poison-ivy.mp3 00:02:36 no brainstuff, brain stuff, podcast, poison ivy, poison, rash, allergy When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes. HowStuffWorks.com What do the yellow and black wires in a home telephone jack do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-27-brainstuff-phone-jacks.mp3 It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. Science & Medicine Mon, 27 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224856445296hsw-brainstuff-phone-jacks.mp3 00:02:10 no howstuffworks, hsw, brainstuff, brain stuff, telephony, telephone, phone jack, phone, phone line It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. HowStuffWorks.com How the Lightsaber Effect Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-24-brainstuff-light-saber.mp3 Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. Science & Medicine Fri, 24 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224782733687hsw-brainstuff-light-saber.mp3 00:01:45 no howstuffworks, hsw, brainstuff, brain stuff, lightsaber, light saber, star wars Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. HowStuffWorks.com Why doesn't paper money disintegrate in the washing machine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-22-brainstuff-paper-money.mp3 Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. Science & Medicine Wed, 22 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224619553520hsw-brainstuff-paper-money.mp3 00:01:41 no paper money, money, economy, federal reserve, finance Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. HowStuffWorks.com How are old black and white movies colorized? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-20-brainstuff-colorize2.mp3 Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of the film. Learn more about colorization in this HowStuffWorks podcast. Science & Medicine Mon, 20 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224267504200hsw-brainstuff-colorize2.mp3 00:01:55 no brainstuff, brain stuff, howstuffworks, how stuff works, colorize, colorization, marshall brain, film, Technicolor Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of the film. Learn more about colorization in this HowStuffWorks podcast. HowStuffWorks.com How hair length works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-17-brainstuff-hair-length.mp3 As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growth and rest phases. Science & Medicine Fri, 17 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223051316120hsw-brainstuff-hair-length.mp3 00:02:03 no howstuffworks, how stuff works, brainstuff As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growth and rest phases. HowStuffWorks.com Why does hydrogen peroxide foam when you put it on a cut? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-15-brainstuff-h2o2.mp3 Hydrogen peroxide's foaming action is due to the catalase in blood and cells. Check out this HowStuffWorks podcast to learn how hydrogen peroxide interacts with catalase. Science & Medicine Wed, 15 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223051229996hsw-brainstuff-h2o2.mp3 00:01:47 no howstuffworks, how stuff works, brainstuff, hydrogen peroxide Hydrogen peroxide's foaming action is due to the catalase in blood and cells. Check out this HowStuffWorks podcast to learn how hydrogen peroxide interacts with catalase. HowStuffWorks.com What is fertilizer, and why do plants need it? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-13-brainstuff-fertilizer.mp3 In order for a plant to grow and thrive, it needs a number of different chemical elements. Check out this podcast from HowStuffWorks to learn more about fertilizer. Science & Medicine Mon, 13 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223050944455hsw-brainstuff-fertilizer.mp3 00:02:33 no howstuffworks, how stuff works, brainstuff, plants, gardening, fertilizer In order for a plant to grow and thrive, it needs a number of different chemical elements. Check out this podcast from HowStuffWorks to learn more about fertilizer. HowStuffWorks.com Why do apples and potatoes turn brown when you slice them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-10-brainstuff-brown-apples.mp3 All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen. Science & Medicine Fri, 10 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354333116hsw-brainstuff-brown-apples.mp3 00:01:29 no brainstuff, howstuffworks, how stuff works, brain stuff, potato, tomato All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen. HowStuffWorks.com What is an anti-siphon valve? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-08-brainstuff-anti-siphon-valve.mp3 In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. Science & Medicine Wed, 08 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354270330hsw-brainstuff-anti-siphon-valve.mp3 00:03:23 no brainstuff, howstuffworks, how stuff works, brain stuff, anti-siphon valve, antisiphon valve In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. HowStuffWorks.com How do exhaust headers work to improve an engine's performance? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-06-brainstuff-exhaust-headers.mp3 The goal of headers is to make it easier for an engine to push out exhaust gasses. Check out this HowStuffWorks podcast to learn how exhaust headers channel exhaust gasses and improve engine efficiency. Science & Medicine Mon, 06 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222353233469hsw-brainstuff-exhaust-headers.mp3 00:02:09 no brainstuff, howstuffworks, how stuff works, brain stuff, engine, exhaust header, exhaust The goal of headers is to make it easier for an engine to push out exhaust gasses. Check out this HowStuffWorks podcast to learn how exhaust headers channel exhaust gasses and improve engine efficiency. HowStuffWorks.com How a GFCI outlet works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-03-brainstuff-gfci.mp3 A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more. Science & Medicine Fri, 03 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222352862973hsw-brainstuff-gfci.mp3 00:01:49 no brainstuff, howstuffworks, how stuff works, brain stuff, electricity, outlet, gcfi A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more. HowStuffWorks.com What is chewing gum made of? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-01-brainstuff-gum.mp3 Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. Science & Medicine Wed, 01 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222352483838hsw-brainstuff-gum.mp3 00:01:35 no brainstuff, howstuffworks, how stuff works, brain stuff, gum, chewing gum, chicle Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. HowStuffWorks.com Could anti-lock brakes detect a flat? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-29-brainstuff-flat-tire.mp3 By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. Science & Medicine Mon, 29 Sep 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222094529762hsw-brainstuff-flat-tire.mp3 00:02:17 no howstuffworks, how stuff works, brainstuff, brain stuff, Anti-lock Braking System, rotation sensor, flat tire By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. HowStuffWorks.com Why do the plugs on some appliances have two prongs and others have three? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-26-brainstuff-three-prong_-plug.mp3 When you look at a normal 120-volt outlet in the United States, there are two vertical slots and then a round hole centered below. Take a look at this HowStuffWorks article to learn why appliance cords are shaped this way. Science & Medicine Fri, 26 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976431258hsw-brainstuff-three-prong_-plug.mp3 00:02:54 no howstuffworks, how stuff works, brainstuff, brain stuff, outlet, electricity, appliance, prong When you look at a normal 120-volt outlet in the United States, there are two vertical slots and then a round hole centered below. Take a look at this HowStuffWorks article to learn why appliance cords are shaped this way. HowStuffWorks.com What is a decibel, and how is it measured? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-24-brainstuff-decibles.mp3 The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale. Science & Medicine Wed, 24 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976055598hsw-brainstuff-decibles.mp3 00:02:34 no howstuffworks, how stuff works, brainstuff, brain stuff, decibal, sound, hearing The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale. HowStuffWorks.com How Gun Silencers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-22-brainstuff-gun-silencer.mp3 The sound of gunfire is incredibly loud, and it is amazing that anything is able to silence a firearm. However, the principle behind a gun silencer is surprisingly simple. Check out our HowStuffWorks article to learn more about silencers. Science & Medicine Mon, 22 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976248685hsw-brainstuff-gun-silencer.mp3 00:02:01 no howstuffworks, how stuff works, brainstuff, brain stuff, gunfire, silencer, gun silencer, firearm The sound of gunfire is incredibly loud, and it is amazing that anything is able to silence a firearm. However, the principle behind a gun silencer is surprisingly simple. Check out our HowStuffWorks article to learn more about silencers. HowStuffWorks.com How Heart Bypass Operations Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-19-brainstuff-heart-bypass.mp3 Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Take a look at our HowStuffWorks article to Science & Medicine Fri, 19 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976296472hsw-brainstuff-heart-bypass.mp3 00:02:19 no howstuffworks, how stuff works, brainstuff, brain stuff, blood, artery, heart, heart attack, stroke, cholesterol Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Take a look at our HowStuffWorks article to HowStuffWorks.com How much does it cost to run an electric blanket? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-17-brainstuff-electric-blanket.mp3 The electric company bills its customer by the kilowatt-hour. The number of watts a device uses times the number of hours you leave it on tells you number of watt-hours it consumes, and divided by 1,000 will convert the measurement to kilowatt-hours. Chec Science & Medicine Wed, 17 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976118757hsw-brainstuff-electric-blanket.mp3 00:02:01 no howstuffworks, how stuff works, brainstuff, brain stuff, electric blanket, heating cost The electric company bills its customer by the kilowatt-hour. The number of watts a device uses times the number of hours you leave it on tells you number of watt-hours it consumes, and divided by 1,000 will convert the measurement to kilowatt-hours. Chec HowStuffWorks.com How do Pop Rocks candy work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-15-brainstuff-pop-rocks.mp3 Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks. Science & Medicine Mon, 15 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976335527hsw-brainstuff-pop-rocks.mp3 00:02:00 no howstuffworks, how stuff works, brainstuff, brain stuff, Pop Rocks, candy, carbon dioxide Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks. HowStuffWorks.com What is the difference between jelly jam and preserves? And What is Jello? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-12-brainstuff-jelly.mp3 Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. Science & Medicine Fri, 12 Sep 2008 12:10:57 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641601912brainstuff-jelly.mp3 00:01:50 no howstuffworks, how stuff works, brainstuff, brain stuff, pectin, sugar, gelatin, fruit, jam, jelly, preserves Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. HowStuffWorks.com How does gravity assist with interplanetary satellites? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-10-brainstuff-gravity-assist.mp3 The idea behind a gravity assist is to use a planet's motion to accelerate a satellite. Check out our article on HowStuffWorks to learn more about the effects of gravity on satellites. Science & Medicine Wed, 10 Sep 2008 12:11:57 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641493933brainstuff-gravity-assist.mp3 00:02:20 no howstuffworks, how stuff works, brainstuff, brain stuff, gravity, gravity assist, satellite, space exploration The idea behind a gravity assist is to use a planet's motion to accelerate a satellite. Check out our article on HowStuffWorks to learn more about the effects of gravity on satellites. HowStuffWorks.com How children from the same parents look so different? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-08-brainstuff-child-variation.mp3 Every person has a set of chromosomes, or coiled strands of DNA. Check out this HowStuffWorks podcast to learn how chromosomes combine to promote variation from one generation to the next. Science & Medicine Mon, 08 Sep 2008 12:12:57 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641337432brainstuff-child-variation.mp3 00:02:32 no howstuffworks, how stuff works, brainstuff, brain stuff, DNA, reproduction, chromosomes Every person has a set of chromosomes, or coiled strands of DNA. Check out this HowStuffWorks podcast to learn how chromosomes combine to promote variation from one generation to the next. HowStuffWorks.com How Catapults Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-05-brainstuff-catapult.mp3 There are three different technologies that fall into the catapult category: the ballista, the trebuchet and the catapult. Check out this HowStuffWorks podcast to learn more about the differences between catapult technologies. Science & Medicine Fri, 05 Sep 2008 12:01:53 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846763709brainstuff-catapult.mp3 00:02:39 no howstuffworks, how stuff works, brainstuff, brain stuff, catapault, ballista, trebuchet There are three different technologies that fall into the catapult category: the ballista, the trebuchet and the catapult. Check out this HowStuffWorks podcast to learn more about the differences between catapult technologies. HowStuffWorks.com What does the computer in a car do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-03-brainstuff-car-computer.mp3 All cars manufactured today contain at least one computer -- but what does it do? Check out this HowStuffWorks podcast to learn more about car computers. Science & Medicine Wed, 03 Sep 2008 12:00:53 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846710985brainstuff-car-computer.mp3 00:01:17 no howstuffworks, how stuff works, brainstuff, brain stuff, car computer, emissions, auto All cars manufactured today contain at least one computer -- but what does it do? Check out this HowStuffWorks podcast to learn more about car computers. HowStuffWorks.com How Water Softener Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-29-brainstuff-water-softner.mp3 The idea behind a water softener is simple: the calcium and magnesium ions in hard water are replaced with sodium ions. Learn more about the harmful effects of hard water -- and the benefits of soft water -- in this HowStuffWorks podcast. Science & Medicine Fri, 29 Aug 2008 12:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754472999brainstuff-water-softner.mp3 00:02:48 no howstuffworks, how stuff works, brainstuff, brain stuff, water, ph, water softner, hard water The idea behind a water softener is simple: the calcium and magnesium ions in hard water are replaced with sodium ions. Learn more about the harmful effects of hard water -- and the benefits of soft water -- in this HowStuffWorks podcast. HowStuffWorks.com How Carbon Chains Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-27-brainstuff-carbon-chains.mp3 Learn how the length of hydrocarbon atom chains have different properties, producing substances such as kerosene, methane and other forms of fossil fuel. Check out this HowStuffWorks podcast to learn more about fossil fuels. Science & Medicine Wed, 27 Aug 2008 12:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218755078914brainstuff-carbon-chains.mp3 no howstuffworks, brainstuff, brain stuff, fossil fuel, petroleum, carbon chain, hydrocarbon Learn how the length of hydrocarbon atom chains have different properties, producing substances such as kerosene, methane and other forms of fossil fuel. Check out this HowStuffWorks podcast to learn more about fossil fuels. HowStuffWorks.com Do the humps on camels hold water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-25-brainstuff-camel-hump.mp3 The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. Science & Medicine Mon, 25 Aug 2008 17:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754954781brainstuff-camel-hump.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, camel hump, adaptation The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. HowStuffWorks.com Why does Alka-Seltzer fizz? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-20-brainstuff-alka-seltzer.mp3 The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this HowStuffWorks podcast to learn more. Science & Medicine Wed, 20 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754536221brainstuff-alka-seltzer.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, alka-seltzer, base, acid, chemistry The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this HowStuffWorks podcast to learn more. HowStuffWorks.com What causes the banging noise in my home's pipes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-18-brainstuff-water-hammer.mp3 The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. Science & Medicine Mon, 18 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754599897brainstuff-water-hammer.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, water hammer, pipe, plumbing The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. HowStuffWorks.com What is the difference between a turbo-charger and a super-charger? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-15-brainstuff-turbo-super.mp3 Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. Science & Medicine Fri, 15 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754723904brainstuff-turbo-super.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, turbocharger, supercharger Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. HowStuffWorks.com How Sonic Booms Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-13-brainstuff-sonic-boom.mp3 The sonic booms formed by planes are similar to the wakes left by boats in water. To learn more about sonic booms, check out this HowStuffWorks podcast. Science & Medicine Wed, 13 Aug 2008 18:12:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455557887brainstuff-sonic-boom.mp3 no sonic boom, sound wave displacement, air displacement The sonic booms formed by planes are similar to the wakes left by boats in water. To learn more about sonic booms, check out this HowStuffWorks podcast. HowStuffWorks.com How Catalytic Convertors Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-11-brainstuff-catalytic-converter.mp3 Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. Science & Medicine Mon, 11 Aug 2008 18:13:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454986836brainstuff-catalytic-converter.mp3 no catalytic convertor, carbon monoxide, carbon dioxide, nitrogen oxide Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. HowStuffWorks.com How Liquid Smoke Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-08-brainstuff-liquid-smoke.mp3 By cooling smoke, the hydrocarbons forming smoke can be condensed, thinned, and bottled in a liquid form. Learn about the process of bottling liquid smoke in this HowStuffWorks podcast. Science & Medicine Fri, 08 Aug 2008 18:14:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455392964brainstuff-liquid-smoke.mp3 no smoke, liquid smoke, hydrocarbon By cooling smoke, the hydrocarbons forming smoke can be condensed, thinned, and bottled in a liquid form. Learn about the process of bottling liquid smoke in this HowStuffWorks podcast. HowStuffWorks.com How Phones Work During Power Outages http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-06-brainstuff-phone-system.mp3 Phone companies use generators to ensure that landline phones will work, even in the event of a power outage. Learn more about phone systems in this HowStuffWorks podcast. Science & Medicine Wed, 06 Aug 2008 18:15:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455500803brainstuff-phone-system.mp3 no phone, telephone, land line, phone system Phone companies use generators to ensure that landline phones will work, even in the event of a power outage. Learn more about phone systems in this HowStuffWorks podcast. HowStuffWorks.com How Light Wave Interference Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-04-brainstuff-cd-rainbow.mp3 When white light hits a film of oil floating on water, most of it passes through the film, but some of the light is reflected off the top and bottom layers of the film. Check out this HowStuffWorks podcast to learn more about light wave interference. Science & Medicine Mon, 04 Aug 2008 18:16:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454636261brainstuff-cd-rainbow.mp3 no reflection, refraction, light, light spectrum When white light hits a film of oil floating on water, most of it passes through the film, but some of the light is reflected off the top and bottom layers of the film. Check out this HowStuffWorks podcast to learn more about light wave interference. HowStuffWorks.com How 3-Way Lightbulbs Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-01-brainstuff-3-way-bulb.mp3 A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast. Science & Medicine Fri, 01 Aug 2008 18:17:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454436329brainstuff-3-way-bulb.mp3 no 3-way bulb, light bulb, fluorescent, dimmer A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast. HowStuffWorks.com How Breathing in a Submarine Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-30-brainstuff-air-in-sub.mp3 For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed. Science & Medicine Wed, 30 Jul 2008 18:18:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454860407brainstuff-air-in-sub.mp3 no submarine, oxygen, carbon dioxide, carbon monoxide, humidity. For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed. HowStuffWorks.com How Fever Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-28-brainstuff-fever.mp3 In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. Science & Medicine Mon, 28 Jul 2008 18:19:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419932004brainstuff-fever.mp3 no Fever, causes of Fever, what to do for Fever In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. HowStuffWorks.com How Fountains in Rome Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-25-brainstuff-fountains-in-rome.mp3 Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast. Science & Medicine Fri, 25 Jul 2008 18:20:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453806134brainstuff-fountains-in-rome.mp3 no Rome, water fountains, water pump, pump water, aqueducts, water tower, cistern, water pressure, Roman fountains, Roman plumbing Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast. HowStuffWorks.com How Cooking at High Altitudes Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-23-brainstuff-altitude-cooking.mp3 The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. Science & Medicine Wed, 23 Jul 2008 18:21:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454544590brainstuff-altitude-cooking.mp3 no cooking at high altitude, boiling point, altitude, air pressure The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. HowStuffWorks.com How Nautical Miles Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-21-brainstuff-nautical-mile.mp3 One minute of arc on planet earth is equal to one nautical mile. Listen to this HowStuffWorks podcast and learn more about the measurement of nautical miles. Science & Medicine Mon, 21 Jul 2008 18:22:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420747415brainstuff-nautical-mile.mp3 no nautical mile, maritime, navy, knott, seas One minute of arc on planet earth is equal to one nautical mile. Listen to this HowStuffWorks podcast and learn more about the measurement of nautical miles. HowStuffWorks.com How Digital Answering Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-18-brainstuff-digital-answering-machine.mp3 Today, most answering machines are digital, and use the same technology as a CD or MP3 player. Learn more about digital answering machines in this HowStuffWorks podcast. Science & Medicine Fri, 18 Jul 2008 18:23:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453918582brainstuff-digital-answering-machine.mp3 no answer machine, answering machine, digital voice recording, digital answering machine, voice recording, play back, playback, microcontroller, digitizes, analog-to-digital converter, digital-to-analog converter, RAM, Random Access Memory, D/A converter, A/ Today, most answering machines are digital, and use the same technology as a CD or MP3 player. Learn more about digital answering machines in this HowStuffWorks podcast. HowStuffWorks.com How Maple Syrup Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-16-brainstuff-maple-syrup.mp3 The clear, thin sap of Maple trees must be boiled down to create maple syrup -- it takes about 30 to 40 gallons of sap to create one gallon of syrup. Check out this HowStuffWorks podcast to learn more about Maple syrup. Science & Medicine Wed, 16 Jul 2008 18:24:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455449516brainstuff-maple-syrup.mp3 no maple syrup, maple tree, maple sap The clear, thin sap of Maple trees must be boiled down to create maple syrup -- it takes about 30 to 40 gallons of sap to create one gallon of syrup. Check out this HowStuffWorks podcast to learn more about Maple syrup. HowStuffWorks.com How Glowing Watch Hands Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-glowing-watch-hands_1-2.mp3 In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 15:57:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983300205glowing-watch-hands_1-2.mp3 no glow-in-the-dark, phosphor, watch, watch hands In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast. HowStuffWorks.com How Uninterruptible Power Supplies Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-uninteruptible-power-supply.mp3 An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies. Science & Medicine Mon, 14 Jul 2008 13:43:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421275817brainstuff-uninteruptible-power-supply.mp3 no uninterruptible power supply, ups, voltage surge, voltage spike, voltage sag, total power failure An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies. HowStuffWorks.com How the Corvette ZR1 Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-corvette-zr1.mp3 The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:42:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419258223brainstuff-corvette-zr1.mp3 no corvette, sports cars, 2009 cars, eight cylinder, engine The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast. HowStuffWorks.com How Gas Pumps Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-gas-pump-2.mp3 Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:41:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420346021brainstuff-gas-pump-2.mp3 no gas, gas pump, gas station, gas hose Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast. HowStuffWorks.com Why the Sky is Blue? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-why-sky-is-blue.mp3 As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:40:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421351740brainstuff-why-sky-is-blue.mp3 no rainbow, prismatic diffusion, light spectrum As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast. HowStuffWorks.com How Radiation Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-radiation.mp3 Although most people are frightened by radiation, the truth is we are irradiated every day, both from cosmic rays in the sky, and radioactive elements in the ground. Learn more about radiation in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:39:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420863237brainstuff-radiation.mp3 no radiation, radioactive, irradiated, cosmic rays Although most people are frightened by radiation, the truth is we are irradiated every day, both from cosmic rays in the sky, and radioactive elements in the ground. Learn more about radiation in this HowStuffWorks podcast. HowStuffWorks.com What is the Difference Between a Carat and a Karat? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-carat-karat.mp3 Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:38:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419204420brainstuff-carat-karat.mp3 no carat, karat, diamond, gold, jewelry Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. HowStuffWorks.com How Perceiving Earth as a Sphere Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-earth-is-sphere.mp3 Is there any way that people could know the world is sphere while standing on the earth? Learn more about perceiving earth as a sphere in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:37:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419786656brainstuff-earth-is-sphere.mp3 no earth, globe, sphere, earth is a sphere Is there any way that people could know the world is sphere while standing on the earth? Learn more about perceiving earth as a sphere in this HowStuffWorks podcast. HowStuffWorks.com How Flatulance Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-flatulence.mp3 Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. Science & Medicine Mon, 14 Jul 2008 13:36:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420008021brainstuff-flatulence.mp3 no Gas (Flatulence), causes of Gas (Flatulence), what to do for Gas (Flatulence) Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. HowStuffWorks.com How Atomic Clocks Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-atomic-clock_1-2.mp3 Unlike more conventional timepieces, atomic clocks use the resonant frequency of atoms to measure the passage of time. Learn more about atomic clocks in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:35:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214418676456atomic-clock_1-2.mp3 no atomic clock, time, watch Unlike more conventional timepieces, atomic clocks use the resonant frequency of atoms to measure the passage of time. Learn more about atomic clocks in this Brainstuff podcast. HowStuffWorks.com How Baking Powder Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-baking-powder.mp3 Baking powder is made of three components -- an acid, a base, and a filler. Check out this HowStuffWorks podcast to learn more about baking powder. Science & Medicine Mon, 14 Jul 2008 13:34:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214418937641brainstuff-baking-powder.mp3 no baking powder, baking soda, baking, cooking, yeast Baking powder is made of three components -- an acid, a base, and a filler. Check out this HowStuffWorks podcast to learn more about baking powder. HowStuffWorks.com How Leap Years Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-leap-years.mp3 A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:33:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420613768brainstuff-leap-years.mp3 no leap year, calendar, gregorian calendar, earth orbit A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast. HowStuffWorks.com How Red Eyes in Photographs Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-red-eye.mp3 The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:32:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420998446brainstuff-red-eye.mp3 no camera, flash, redeye, red eyes, red eye reduction The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast. HowStuffWorks.com How Do Submarines Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-submarine.mp3 Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:31:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336739561podcast-submarine.mp3 no submarine, oxygen, oxygen generator Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. HowStuffWorks.com What is the Fastest Computer in the World? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-fastest-computer.mp3 Although the speed of computers is growing exponentially, the human brain may handle roughly ten quadrillion instructions per second. Learn more about the world's fastest computer in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:30:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419831804brainstuff-fastest-computer.mp3 no fastest computer, petaflop, computation, human brain, processing Although the speed of computers is growing exponentially, the human brain may handle roughly ten quadrillion instructions per second. Learn more about the world's fastest computer in this HowStuffWorks podcast. HowStuffWorks.com How Do Vitamins Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-vitamins.mp3 A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:29:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337117444podcast-vitamins.mp3 no vitamins, vitamin, collagen, vitamin c A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. HowStuffWorks.com How Night Vision Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-night-vision.mp3 Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:28:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420800561brainstuff-night-vision.mp3 no night vision, eye, rods, cones, pupil Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. HowStuffWorks.com How Subprime Loans Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-subprime.mp3 Subprime loans are made to borrowers who do not qualify for the best market interest rates. Learn more about subprime loans in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:27:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421197941brainstuff-subprime.mp3 no subprime loans, subprime, mortgage, loan Subprime loans are made to borrowers who do not qualify for the best market interest rates. Learn more about subprime loans in this HowStuffWorks podcast. HowStuffWorks.com How Helium Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-helium.mp3 The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:26:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420557669brainstuff-helium.mp3 no helium, uranium, helium balloons The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. HowStuffWorks.com How Nanosolar Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-nanosolar.mp3 A company named Nanosolar is shaking up the alternative energy industry by offering solar technology at the lowest prices in history -- even cheaper than energy derived from coal. Learn more about Nanosolar in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:25:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420664946brainstuff-nanosolar.mp3 no solar, nanosolar, alternative energy, sunlight A company named Nanosolar is shaking up the alternative energy industry by offering solar technology at the lowest prices in history -- even cheaper than energy derived from coal. Learn more about Nanosolar in this HowStuffWorks podcast. HowStuffWorks.com How Does Yawning Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-yawn.mp3 Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:24:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337250014podcast-yawn.mp3 no yawning, yawn, sleep, meetings, boredom, oxygen Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. HowStuffWorks.com How the Dow Jones Industrial Average Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dow-jones.mp3 The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market. Science & Medicine Mon, 14 Jul 2008 13:23:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419440782brainstuff-dow-jones.mp3 no dow jones industrial average, dow jones index, dow jones average The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market. HowStuffWorks.com How Lava Lamps Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-lava-lamp_1-2.mp3 Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:22:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421879439lava-lamp_1-2.mp3 no lava lamp, liquid density, liquid motion Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast. HowStuffWorks.com How Golf Ball Dimples Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-golf-ball-dimples_1-2.mp3 If you've ever looked at a golf ball, you've probably noticed it has dimples. But why is that? Learn the story behind dimpled golf balls in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:21:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421833619golf-ball-dimples_1-2.mp3 no golf, dimple, turbulator, aerodynamics If you've ever looked at a golf ball, you've probably noticed it has dimples. But why is that? Learn the story behind dimpled golf balls in this Brainstuff podcast. HowStuffWorks.com How Smoke Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-smoke_1-2.mp3 When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:20:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421966845smoke_1-2.mp3 no smoke, fire, heat, fuel When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast. HowStuffWorks.com How Ultra Hi-Def Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-ultra-high-def.mp3 A standard HD screen has roughly 2 million pixels per frame -- but an ultra HD has four times that resolution. Learn more about ultra hi-definition in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:19:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215447006365brainstuff-ultra-high-def.mp3 no ultra-high definition, ultra high definition, uhd, uhdtv, high definition A standard HD screen has roughly 2 million pixels per frame -- but an ultra HD has four times that resolution. Learn more about ultra hi-definition in this HowStuffWorks podcast. HowStuffWorks.com How Dry Cleaning Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dry-cleaning.mp3 Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:18:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455346254brainstuff-dry-cleaning.mp3 no dry cleaning, laundy, solvent Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this HowStuffWorks podcast. HowStuffWorks.com How X-Ray Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-x-rays.mp3 An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:17:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454804948brainstuff-x-rays.mp3 no x-ray, x-ray machine, hospital, light, x-ray radiation, x-rays An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast. HowStuffWorks.com How Dehumidifiers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dehumidifier.mp3 Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. Science & Medicine Mon, 14 Jul 2008 13:16:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455164475brainstuff-dehumidifier.mp3 no dehumidifier, moisture, condensation Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. HowStuffWorks.com How Stealth Technology Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-stealth.mp3 Shaping an airplane a certain way -- or using materials that absorb radar waves -- causes a stealth aircraft to have the signature of a small bird, rather than an airplane. Science & Medicine Mon, 14 Jul 2008 13:15:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455611939brainstuff-stealth.mp3 no stealth airplane, stealth aircraft, radar Shaping an airplane a certain way -- or using materials that absorb radar waves -- causes a stealth aircraft to have the signature of a small bird, rather than an airplane. HowStuffWorks.com How Starting A Car in Cold Weather Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-cold-engine.mp3 Cars are hard to start during cold weather for three reasons: gasoline evaporates less in cold temperatures, oil gets thicker in the cold, and the chemical reactions in cold batteries are slower than normal. Science & Medicine Mon, 14 Jul 2008 13:14:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455072258brainstuff-cold-engine.mp3 no car, cold weather, engine in cold weather, synthetic oil, winter, cold battery Cars are hard to start during cold weather for three reasons: gasoline evaporates less in cold temperatures, oil gets thicker in the cold, and the chemical reactions in cold batteries are slower than normal. HowStuffWorks.com How Boogers and Mucuous Membranes Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-boogers.mp3 Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance. Science & Medicine Mon, 14 Jul 2008 13:13:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454919146brainstuff-boogers.mp3 no mucous, mucous membrane, mucin, booger, salt, polysacchride Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance. HowStuffWorks.com How Zorbing Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-11-brainstuff-zorb_1-2.mp3 A Zorb is a pair of inflatable balls large enough to contain a person. Zorbing is popular in New Zealand, and you can learn more about it in this HowStuffWorks podcast. Science & Medicine Fri, 11 Jul 2008 16:00:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985543985zorb_1-2.mp3 no zorb, zorbing, new zealand, beach ball A Zorb is a pair of inflatable balls large enough to contain a person. Zorbing is popular in New Zealand, and you can learn more about it in this HowStuffWorks podcast. HowStuffWorks.com How Air Force One Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-09-brainstuff-air-force-one_1-2.mp3 Air Force One is the presidential airfleet of the United States. Learn how Air Force One works in this HowStuffWorks podcast. Science & Medicine Wed, 09 Jul 2008 16:01:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982353381air-force-one_1-2.mp3 no air force one, president, presidential plane Air Force One is the presidential airfleet of the United States. Learn how Air Force One works in this HowStuffWorks podcast. HowStuffWorks.com How Color Blindness Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-07-brainstuff-color-blindness_1-2.mp3 Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. Science & Medicine Mon, 07 Jul 2008 15:59:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982929899color-blindness_1-2.mp3 no color blindness, color blind, rods, cones Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. HowStuffWorks.com How Solar Balloons Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-04-brainstuff-solar-balloon_1-2.mp3 A solar balloon is propelled upward by absorbing solar energy and heating air inside the balloon. Learn more about solar balloons and solar energy in this HowStuffWorks podcast. Science & Medicine Fri, 04 Jul 2008 15:58:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985237182solar-balloon_1-2.mp3 no solar balloon, solar energy A solar balloon is propelled upward by absorbing solar energy and heating air inside the balloon. Learn more about solar balloons and solar energy in this HowStuffWorks podcast. HowStuffWorks.com How Does Identity Theft Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-02-brainstuff-identity-theft_1-2.mp3 Join Marshall Brain as he takes a look at the dangers of identity theft and what you can do to reduce those dangers. Learn more in this HowStuffWorks podcast. Science & Medicine Wed, 02 Jul 2008 15:56:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983419558identity-theft_1-2.mp3 no identity theft, social security fraud, check fraud, phishing, phishing scam Join Marshall Brain as he takes a look at the dangers of identity theft and what you can do to reduce those dangers. Learn more in this HowStuffWorks podcast. HowStuffWorks.com How Satellite Radio Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-30-brainstuff-satellite-radio_1-2.mp3 Satellite radio connects consumers to a lot more channels than broadcast radio, and you hardly have to worry about losing reception. Learn more about satellite radio in this HowStuffWorks podcast. Science & Medicine Mon, 30 Jun 2008 15:55:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985114027satellite-radio_1-2.mp3 no satellite radio, xm radio, sirius Satellite radio connects consumers to a lot more channels than broadcast radio, and you hardly have to worry about losing reception. Learn more about satellite radio in this HowStuffWorks podcast. HowStuffWorks.com How Machine Guns Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-27-brainstuff-machine-gun_1-2.mp3 Machine guns are one of the most important innovations in recent military history. Learn about machine guns and automatic weapons in this HowStuffWorks podcast. Science & Medicine Fri, 27 Jun 2008 15:54:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983733796machine-gun_1-2.mp3 no guns, machine guns, automatic weapons, semi-automatic Machine guns are one of the most important innovations in recent military history. Learn about machine guns and automatic weapons in this HowStuffWorks podcast. HowStuffWorks.com How Indiglo Watches Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-25-brainstuff-indiglo-watch_1-2.mp3 In an indiglo watch, a very thin panel uses high voltage to energize phosphor atoms, producing light. Learn more about indiglo watches and electroluminescence in this HowStuffWorks podcast. Science & Medicine Wed, 25 Jun 2008 15:53:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983474673indiglo-watch_1-2.mp3 no indiglo watch, phosphor, glow-in-the-dark In an indiglo watch, a very thin panel uses high voltage to energize phosphor atoms, producing light. Learn more about indiglo watches and electroluminescence in this HowStuffWorks podcast. HowStuffWorks.com How Do Fainting Goats Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-23-brainstuff-fainting-goats_1-2.mp3 Due to a genetic disorder, fainting goats become paralyzed when they are startled. Learn more about fainting goats in this HowStuffWorks podcast. Science & Medicine Mon, 23 Jun 2008 15:52:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983051079fainting-goats_1-2.mp3 no goats, fainting goats, myotonia congenita, Tennessee scare goats Due to a genetic disorder, fainting goats become paralyzed when they are startled. Learn more about fainting goats in this HowStuffWorks podcast. HowStuffWorks.com How Does Green Building Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-20-brainstuff-green-building_1-2.mp3 In this HowStuffWorks podcast on green building, learn more about creating sustainable buildings that reduce carbon footprints and use recycled material. Science & Medicine Fri, 20 Jun 2008 15:51:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983364646green-building_1-2.mp3 no green building, environmentalism, global warming, recycling, carbon footprint In this HowStuffWorks podcast on green building, learn more about creating sustainable buildings that reduce carbon footprints and use recycled material. HowStuffWorks.com How Thermite Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-18-brainstuff-thermite_1-2.mp3 Thermite is a metallic mixture used for various chemical reactions -- everything from railroad tracks to fireworks displays call for thermite. Learn about the chemical properties of thermite in this HowStuffWorks podcast. Science & Medicine Wed, 18 Jun 2008 15:50:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985447165thermite_1-2.mp3 no thermite, welding, fireworks Thermite is a metallic mixture used for various chemical reactions -- everything from railroad tracks to fireworks displays call for thermite. Learn about the chemical properties of thermite in this HowStuffWorks podcast. HowStuffWorks.com How Life On Mars Might Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-16-brainstuff-life-on-mars_1-2.mp3 Has one of the Mars rovers discovered life on Mars? Learn more about life on Mars and other planets in this HowStuffWorks podcast. Science & Medicine Mon, 16 Jun 2008 15:49:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983523257life-on-mars_1-2.mp3 no mars, extraterrestrial life, alien, alien bacteria, mars rover, NASA, heat vent Has one of the Mars rovers discovered life on Mars? Learn more about life on Mars and other planets in this HowStuffWorks podcast. HowStuffWorks.com How Climate Hoax Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-13-brainstuff-climate-hoax_1-2.mp3 Some scientists believe global warming is part of a cyclical temperature fluctuation, rather than a man-made event. Learn more about these climate skeptics in this HowStuffWorks podcast. Science & Medicine Fri, 13 Jun 2008 15:48:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982534175climate-hoax_1-2.mp3 no global warming, climate hoax, climate skeptic Some scientists believe global warming is part of a cyclical temperature fluctuation, rather than a man-made event. Learn more about these climate skeptics in this HowStuffWorks podcast. HowStuffWorks.com How Do Nuclear Bombs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-11-brainstuff-nuclear-bomb_1-2.mp3 What is a nuclear bomb, and how does it work? Learn more about nuclear bombs with Marshall Brain in this HowStuffWorks podcast. Science & Medicine Wed, 11 Jun 2008 15:47:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983889346nuclear-bomb_1-2.mp3 no nuclear bomb, war, radioactivity, radiation, nuclear war What is a nuclear bomb, and how does it work? Learn more about nuclear bombs with Marshall Brain in this HowStuffWorks podcast. HowStuffWorks.com How the Pleo Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-09-brainstuff-pleo_1-2.mp3 Although Pleo is a robot designed to look like a dinosaur, it can learn from situations, and appear incredibly lifelike. Learn more about pleo in this HowStuffWorks podcast. Science & Medicine Mon, 09 Jun 2008 15:46:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984785183pleo_1-2.mp3 no pleo, robots, roomba, robotic toys Although Pleo is a robot designed to look like a dinosaur, it can learn from situations, and appear incredibly lifelike. Learn more about pleo in this HowStuffWorks podcast. HowStuffWorks.com How Fire Hydrants Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-06-brainstuff-fire-hydrant_1-2.mp3 Fire hydrants are on nearly every street corner, but how do they work? Learn more about fire hydrants in this HowStuffWorks podcast. Science & Medicine Fri, 06 Jun 2008 15:45:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983113412fire-hydrant_1-2.mp3 no fire hydrant, fire fighter, water pressure Fire hydrants are on nearly every street corner, but how do they work? Learn more about fire hydrants in this HowStuffWorks podcast. HowStuffWorks.com How RTG Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-04-brainstuff-rtg_1-2.mp3 Voyager II uses a radioisotope thermo-electric generator power to communicate with NASA. Learn more about RTG in this HowStuffWorks podcast. Science & Medicine Wed, 04 Jun 2008 15:44:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985065490rtg_1-2.mp3 no voyager II, radioisotope, rtg, deep space, space exploration Voyager II uses a radioisotope thermo-electric generator power to communicate with NASA. Learn more about RTG in this HowStuffWorks podcast. HowStuffWorks.com How Does Nanotechnology Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-02-brainstuff-nanotechnology_1-2.mp3 In this HowStuffWorks podcast, Marshall Brain discusses the possibilities of nanotechnology, a multi-disciplinary study dealing with the manipulation of matter less than one billionth of a meter wide. Science & Medicine Mon, 02 Jun 2008 15:43:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983814750nanotechnology_1-2.mp3 no nanotechnology, computer, biotechnology, cyborg In this HowStuffWorks podcast, Marshall Brain discusses the possibilities of nanotechnology, a multi-disciplinary study dealing with the manipulation of matter less than one billionth of a meter wide. HowStuffWorks.com How Tasers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-30-brainstuff-taser_1-2.mp3 A taser is a weapon that uses electricity to incapacitate targets from a distance. Learn more about tasers and electric shock in this HowStuffWorks podcast. Science & Medicine Fri, 30 May 2008 15:42:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985392479taser_1-2.mp3 no taser, electricity, electric shock A taser is a weapon that uses electricity to incapacitate targets from a distance. Learn more about tasers and electric shock in this HowStuffWorks podcast. HowStuffWorks.com How the Six-Stroke Engine Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-28-brainstuff-six-stroke_1-2.mp3 The six-stroke engine has the potential to increase the gas mileage of an internal combustion engine by forty percent, without adding any weight to the engine. Learn more about the six-stroke engine in this HowStuffWorks podcast. Science & Medicine Wed, 28 May 2008 15:41:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985182729six-stroke_1-2.mp3 no six-stroke engine, engine, internal combustion, gas efficiency The six-stroke engine has the potential to increase the gas mileage of an internal combustion engine by forty percent, without adding any weight to the engine. Learn more about the six-stroke engine in this HowStuffWorks podcast. HowStuffWorks.com How Superfund Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-26-brainstuff-superfund_1-2.mp3 The superfund was established to locate and clean toxic waste sites in the U.S. To learn more about the superfund and toxic waste, check out this HowStuffWorks podcast. Science & Medicine Mon, 26 May 2008 15:40:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985292290superfund_1-2.mp3 no superfund, epa, congress, toxic waste The superfund was established to locate and clean toxic waste sites in the U.S. To learn more about the superfund and toxic waste, check out this HowStuffWorks podcast. HowStuffWorks.com How the World's Tallest Building Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-23-brainstuff-tallest-building_1-2.mp3 Once completed, the Burj Dubai will become the world's tallest building. Learn more about the world's tallest building in this HowStuffWorks podcast. Science & Medicine Fri, 23 May 2008 15:39:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985341197tallest-building_1-2.mp3 no burj dubai, dubai, united arab emirates, middle east, tallest building Once completed, the Burj Dubai will become the world's tallest building. Learn more about the world's tallest building in this HowStuffWorks podcast. HowStuffWorks.com How Glow In the Dark Products Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-21-brainstuff-glow-in-the-dark_1-2.mp3 All glow-in-the-dark products contain phosphor, a substance that radiates visible light after it has been energized. Learn more about phosphor in this HowStuffWorks podcast. Science & Medicine Wed, 21 May 2008 15:38:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983240279glow-in-the-dark_1-2.mp3 no glow-in-the-dark, phosphor, watch, watch hands All glow-in-the-dark products contain phosphor, a substance that radiates visible light after it has been energized. Learn more about phosphor in this HowStuffWorks podcast. HowStuffWorks.com How Eminent Domain Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-19-brainstuff-eminent-domain_1-2.mp3 Under the eminent domain law, private property may be annexed by local or federal government, and the private owner may be forced to sell their land for the purpose of public use. Learn more about eminent domain in this HowStuffWorks podcast. Science & Medicine Mon, 19 May 2008 15:37:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982993887eminent-domain_1-2.mp3 no eminent domain, public use, property rights Under the eminent domain law, private property may be annexed by local or federal government, and the private owner may be forced to sell their land for the purpose of public use. Learn more about eminent domain in this HowStuffWorks podcast. HowStuffWorks.com How Rainbows Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-16-brainstuff-rainbow_1-2.mp3 When light enters raindrops, the drops act as tiny prisms. The angle of the light as it leaves each raindrop alters the visible color of the light, forming part of a rainbow. Science & Medicine Fri, 16 May 2008 15:36:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984900044rainbow_1-2.mp3 no rainbow, prismatic diffusion, light spectrum When light enters raindrops, the drops act as tiny prisms. The angle of the light as it leaves each raindrop alters the visible color of the light, forming part of a rainbow. HowStuffWorks.com How Gift Cards Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-14-brainstuff-gift-cards_1-2.mp3 Although most businesses love gift cards, these cards have few -- if any -- advantages over actual cash. Learn more about gift cards in this HowStuffWorks podcast. Science & Medicine Wed, 14 May 2008 15:35:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983171823gift-cards_1-2.mp3 no gift cards, business, holiday shopping Although most businesses love gift cards, these cards have few -- if any -- advantages over actual cash. Learn more about gift cards in this HowStuffWorks podcast. HowStuffWorks.com How Uranium Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-12-brainstuff-uranium_1-2.mp3 Uranium can be used as a source of nuclear energy and a component in nuclear weapons. Learn more about uranium and nuclear energy in this HowStuffWorks podcast. Science & Medicine Mon, 12 May 2008 15:34:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985494731uranium_1-2.mp3 no uranium, nuclear energy, nuclear power, atom bomb, fission, fusion Uranium can be used as a source of nuclear energy and a component in nuclear weapons. Learn more about uranium and nuclear energy in this HowStuffWorks podcast. HowStuffWorks.com How PhosCheck Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-09-brainstuff-phos-chek_1-2.mp3 PhosCheck is a long-term fire retardant that firefighters deploy from planes when combating forest fires. Learn more about PhosCheck in this HowStuffWorks podcast. Science & Medicine Fri, 09 May 2008 15:32:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984677021phos-chek_1-2.mp3 no fire, forest fire, PhosCheck, fire retardant, wildfire PhosCheck is a long-term fire retardant that firefighters deploy from planes when combating forest fires. Learn more about PhosCheck in this HowStuffWorks podcast. HowStuffWorks.com How the Linux Laptop Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-07-brainstuff-linux-laptop_1-2.mp3 The low-cost linux laptop niche is beginning to explode. Learn more about linux, laptops, and low-cost computing in this HowStuffWorks podcast. Science & Medicine Wed, 07 May 2008 15:31:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983658217linux-laptop_1-2.mp3 no linux, open source, laptop, low-cost computer The low-cost linux laptop niche is beginning to explode. Learn more about linux, laptops, and low-cost computing in this HowStuffWorks podcast. HowStuffWorks.com How the Lightning GT Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-05-brainstuff-lightning-gt_1-2.mp3 The Lightning GT is a high-performance electric car that uses revolutionary technology to avoid the drawbacks of other electric vehicles. Learn more about electric cars and the Lightning GT in this HowStuffWorks podcast. Science & Medicine Mon, 05 May 2008 15:30:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983593573lightning-gt_1-2.mp3 no lightning gt, alternative energy, green, electric car The Lightning GT is a high-performance electric car that uses revolutionary technology to avoid the drawbacks of other electric vehicles. Learn more about electric cars and the Lightning GT in this HowStuffWorks podcast. HowStuffWorks.com How Does 2020 Vision Works? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-02-brainstuff-2020-vision.mp3 20-20 vision is a standard used to compare one person's vision to another's. Learn more about 20-20 vision in this podcast from HowStuffWorks. Science & Medicine Fri, 02 May 2008 15:28:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213988977332podcast-2020-vision.mp3 no vision, 20-20, nearsighted, farsighted, optometry 20-20 vision is a standard used to compare one person's vision to another's. Learn more about 20-20 vision in this podcast from HowStuffWorks. HowStuffWorks.com How Do Barcodes Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-30-brainstuff-bar-codes.mp3 UPC bar codes are used for almost any packaged product, and the bar codes are read by lasers. Learn more about UPC bar codes in this podcast from HowStuffWorks. Science & Medicine Wed, 30 Apr 2008 15:27:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990501424podcast-bar-codes.mp3 no bar code, UPC, laser, products, UPC bar codes UPC bar codes are used for almost any packaged product, and the bar codes are read by lasers. Learn more about UPC bar codes in this podcast from HowStuffWorks. HowStuffWorks.com How Do Aircraft Carriers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-28-brainstuff-aircraft-carrier.mp3 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. Science & Medicine Mon, 28 Apr 2008 15:26:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989148176podcast-aircraft-carrier.mp3 no air, aircraft carrier, aircraft, navy Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. HowStuffWorks.com How Much Money Is In The World? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-25-brainstuff-all-the-money-in-the-world.mp3 How much money is in the world? This HowStuffWorks podcast explains how much money exists in the world, and how that money is measured. Science & Medicine Fri, 25 Apr 2008 15:25:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989208883podcast-all-the-money-in-the-world.mp3 no money, cash, m3 money supply, money supply, economy How much money is in the world? This HowStuffWorks podcast explains how much money exists in the world, and how that money is measured. HowStuffWorks.com Could You Power Your TV or Computer with a Bicycle? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-23-brainstuff-bicycle-power.mp3 Could you power a television or computer with a bicycle? Learn more about bicycle power in this HowStuffWorks podcast. Science & Medicine Wed, 23 Apr 2008 15:23:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990613091podcast-bicycle-power.mp3 no alternative energy, bicycle, bicycle power, television, computer Could you power a television or computer with a bicycle? Learn more about bicycle power in this HowStuffWorks podcast. HowStuffWorks.com How Do Ballpoint Pens Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-21-brainstuff-ballpoint-pen.mp3 Ballpoint pens use a ball and socket tip to distribute thick ink at the perfect time. Learn more about ballpoint pens in this podcast from HowStuffWorks. Science & Medicine Mon, 21 Apr 2008 15:22:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990453183podcast-ballpoint-pen.mp3 no ballpoint, ballpoint pen, pen, ink, writing Ballpoint pens use a ball and socket tip to distribute thick ink at the perfect time. Learn more about ballpoint pens in this podcast from HowStuffWorks. HowStuffWorks.com How Do Blue Screens Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-18-brainstuff-blue-screen.mp3 Blue screen technology allows directors to superimpose false scenery behind real actors. Learn more about blue screens in this HowStuffWorks podcast. Science & Medicine Fri, 18 Apr 2008 15:21:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990726086podcast-blue-screen.mp3 no blue screen, chroma key, acting, special effects Blue screen technology allows directors to superimpose false scenery behind real actors. Learn more about blue screens in this HowStuffWorks podcast. HowStuffWorks.com How Does Making Bread Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-16-brainstuff-bread.mp3 Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. Science & Medicine Wed, 16 Apr 2008 15:20:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991885277podcast-bread.mp3 no bread, yeast, baking, wheat Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. HowStuffWorks.com How Does Brain Freeze Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-11-brainstuff-brain-freeze.mp3 Brain freezes may be the result of a nerve center over the roof of the mouth. Learn more about brain freezes in this podcast from HowStuffWorks Science & Medicine Fri, 11 Apr 2008 15:19:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991829725podcast-brain-freeze.mp3 no brain freeze, ice, cold, blood Brain freezes may be the result of a nerve center over the roof of the mouth. Learn more about brain freezes in this podcast from HowStuffWorks HowStuffWorks.com How Do Black Lights Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-09-brainstuff-black-light.mp3 Black light is a type of ultraviolet light bulb that affects phosphors. Learn more about black lights in this podcast from HowStuffWorks. Science & Medicine Wed, 09 Apr 2008 15:18:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990674220podcast-black-light.mp3 no black light, ultraviolet light, phospers Black light is a type of ultraviolet light bulb that affects phosphors. Learn more about black lights in this podcast from HowStuffWorks. HowStuffWorks.com