BrainStuff http://www.howstuffworks.com Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us. en-us Copyright 2016 HowStuffWorks Wed, 26 Apr 2017 16:38:35 -0400 podcast@howstuffworks.com (BrainStuff) podcast@howstuffworks.com (BrainStuff) 60 Science & Medicine BrainStuff http://static.howstuffworks.com/gif/brainstuff_1600x1600.jpg http://www.howstuffworks.com podcast@howstuffworks.com HowStuffWorks.com HowStuffWorks no how stuff works, howstuffworks, how it works, brain stuff, brainstuff BrainStuff Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us. Why Are Some People Afraid of Clowns? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-26-brainstuff-why-are-people-afraid-of-clowns.mp3?awCollectionId=1009&awEpisodeId=923554 Clowns are usually brightly-colored, goofy, raucous characters designed to be the life of any party. However, it’s no secret that they’re not universally adored. In fact, some people find clowns downright frightening. But why? Wed, 26 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-26-brainstuff-why-are-people-afraid-of-clowns.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:25 Clowns are usually brightly-colored, goofy, raucous characters designed to be the life of any party. However, it’s no secret that they’re not universally adored. In fact, some people find clowns downright frightening. But why? HowStuffWorks Is a "Dog Year" Really 7 Years? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-24-brainstuff-dog-years.mp3?awCollectionId=1009&awEpisodeId=923548 You may have heard that dogs age differently than humans. But is it true? Get the facts on your pooch without having that ever-awkward “so… how old are you really?” conversation. Mon, 24 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-24-brainstuff-dog-years.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:49 You may have heard that dogs age differently than humans. But is it true? Get the facts on your pooch without having that ever-awkward “so… how old are you really?” conversation. HowStuffWorks How Does Jet Lag Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-19-brainstuff-jet-lag.mp3?awCollectionId=1009&awEpisodeId=923538 Yeah, your sleeping pattern gets screwy when you fly to different time zones. But what are the symptoms of jet lag? What causes it? And how can you remedy it? Wed, 19 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-19-brainstuff-jet-lag.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:13 Yeah, your sleeping pattern gets screwy when you fly to different time zones. But what are the symptoms of jet lag? What causes it? And how can you remedy it? HowStuffWorks Why Does The Shower Get Hot When The Toilet Is Flushed? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-17-brainstuff-toilet-shower-water.mp3?awCollectionId=1009&awEpisodeId=923532 Were you burned the last time someone flushed the toilet while you were showering? It's a simple plumbing fix. Mon, 17 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-17-brainstuff-toilet-shower-water.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:28 Were you burned the last time someone flushed the toilet while you were showering? It's a simple plumbing fix. HowStuffWorks How Do You Find Water In The Wild? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-12-brainstuff-water-in-the-wild.mp3?awCollectionId=1009&awEpisodeId=923515 In case you ever get stranded in the wild without an obvious source of fresh water, here are a few things you can do to collect some. Wed, 12 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/ podcast@howstuffworks.com (BrainStuff) no 00:06:58 In case you ever get stranded in the wild without an obvious source of fresh water, here are a few things you can do to collect some. HowStuffWorks What Are Eye Boogers? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-10-brainstuff-eye-boogers.mp3?awCollectionId=1009&awEpisodeId=923502 The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. Mon, 10 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-10-brainstuff-eye-boogers.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:24 The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. HowStuffWorks Why Do We Get Morning Breath? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-05-brainstuff-morning-breath.mp3?awCollectionId=1009&awEpisodeId=923491 Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it? Wed, 05 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-05-brainstuff-morning-breath.mp3 podcast@howstuffworks.com (BrainStuff) no 00:04:58 Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it? HowStuffWorks Do Animals Laugh? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-04-03-brainstuff-do-animals-laugh.mp3?awCollectionId=1009&awEpisodeId=923479 It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? Mon, 03 Apr 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-04-03-brainstuff-do-animals-laugh.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:36 It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? HowStuffWorks How Much Does It Cost To Run For President? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-29-brainstuff-cost-to-run-for-president.mp3?awCollectionId=1009&awEpisodeId=923469 There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? Wed, 29 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-29-brainstuff-cost-to-run-for-president.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:59 There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? HowStuffWorks Can I See the Stuff Astronauts Left On the Moon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-27-brainstuff-stuff-left-on-the-moon.mp3?awCollectionId=1009&awEpisodeId=923459 Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? Mon, 27 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-27-brainstuff-stuff-left-on-the-moon.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:07 Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? HowStuffWorks What Would Space Do To The Human Body? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-22-brainstuff-what-would-space-do-to-the-human-body.mp3?awCollectionId=1009&awEpisodeId=923448 Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either. Wed, 22 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-22-brainstuff-what-would-space-do-to-the-human-body.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:21 Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either. HowStuffWorks Does "Power Dressing" Actually Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-20-brainstuff-what-is-power-dressing.mp3?awCollectionId=1009&awEpisodeId=923441 Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes? Mon, 20 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-20-brainstuff-what-is-power-dressing.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:07 Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes? HowStuffWorks How Dirty Is Soap? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-15-brainstuff-how-dirty-is-soap.mp3?awCollectionId=1009&awEpisodeId=923432 It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are a shared surface. Does soap really help get you clean? Wed, 15 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-15-brainstuff-how-dirty-is-soap.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:23 It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are a shared surface. Does soap really help get you clean? HowStuffWorks How Does Hair Dye Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-13-brainstuff-hair-dye.mp3?awCollectionId=1009&awEpisodeId=923420 Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager. Mon, 13 Mar 2017 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-13-brainstuff-hair-dye.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:04 Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager. HowStuffWorks How Do Tattoo Machines Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-08-brainstuff-tattoo-machine.mp3?awCollectionId=1009&awEpisodeId=923411 Tattoo machines (sometimes called guns) haven’t changed much since the 1890s because they’re such elegant devices. Tune in to learn how the most common types work. Wed, 08 Mar 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-08-brainstuff-tattoo-machine.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:44 Tattoo machines (sometimes called guns) haven’t changed much since the 1890s because they’re such elegant devices. Tune in to learn how the most common types work. HowStuffWorks Could Alien Life Exist? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-06-brainstuff-alien-life-exist.mp3?awCollectionId=1009&awEpisodeId=923287 What makes a planet ideal for sustaining life? Mon, 06 Mar 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-06-brainstuff-alien-life-exist.mp3 podcast@howstuffworks.com (BrainStuff) no 00:10:33 What makes a planet ideal for sustaining life? HowStuffWorks Does the Human Body Really Replace Itself Every 7 Years? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-03-01-brainstuff-human-body-replace-itself.mp3?awCollectionId=1009&awEpisodeId=923279 The short answer is “no.” Tune in to learn how long it really takes, plus how nuclear weapons led scientists to the solution. Wed, 01 Mar 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-03-01-brainstuff-human-body-replace-itself.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:14 The short answer is “no.” Tune in to learn how long it really takes, plus how nuclear weapons led scientists to the solution. HowStuffWorks Are Plants Conscious? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-27-brainstuff-why-are-there-are-plants-conscious.mp3?awCollectionId=1009&awEpisodeId=923271 Scientists have found evidence that plants have senses, memories, and can even communicate with each other. But does this mean they're conscious? Mon, 27 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-27-brainstuff-why-are-there-are-plants-conscious.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:34 Scientists have found evidence that plants have senses, memories, and can even communicate with each other. But does this mean they're conscious? HowStuffWorks Why Are There So Many Different Kinds of Milk? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-22-brainstuff-why-are-there-so-many-kinds-of-milk.mp3?awCollectionId=1009&awEpisodeId=923254 Christian explains the difference between common types of milk, looking at calories, fat and the rest of their composition. Wed, 22 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-22-brainstuff-why-are-there-so-many-kinds-of-milk.mp3 podcast@howstuffworks.com (BrainStuff) no 00:09:46 Christian explains the difference between common types of milk, looking at calories, fat and the rest of their composition. HowStuffWorks What Happens When You Get Ringing In Your Ears? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-20-brainstuff-tinnitus.mp3?awCollectionId=1009&awEpisodeId=923237 Tinnitus is what makes your ears ring after a loud noise. And it's really annoying. Mon, 20 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-20-brainstuff-tinnitus.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:40 Tinnitus is what makes your ears ring after a loud noise. And it's really annoying. HowStuffWorks Why Do We Get Brain Freeze? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-15-brainstuff-brainfreeze-2.mp3?awCollectionId=1009&awEpisodeId=923235 We all know what an ice cream headache feels like. Christian's here to explain why they happen. It involves temperature (duh), nerves and lots of blood. Wed, 15 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-15-brainstuff-brainfreeze.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:32 We all know what an ice cream headache feels like. Christian's here to explain why they happen. It involves temperature (duh), nerves and lots of blood. HowStuffWorks What is Synesthesia? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-13-brainstuff-what-is-synesthesia.mp3?awCollectionId=1009&awEpisodeId=923227 It’s true – some people hear colors, or taste words. But what produces synesthesia? Mon, 13 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-13-brainstuff-what-is-synesthesia.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:07 It’s true – some people hear colors, or taste words. But what produces synesthesia? HowStuffWorks Why Is It So Difficult To Chug A Gallon of Milk? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-07-brainstuff-chug-gallon-of-milk.mp3?awCollectionId=1009&awEpisodeId=923215 It's one of the strangest - and potentially grossest - challenges out there. But what happens when you drink milk? Why does it make you throw up? Wed, 08 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-07-brainstuff-chug-gallon-of-milk.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:49 It's one of the strangest - and potentially grossest - challenges out there. But what happens when you drink milk? Why does it make you throw up? HowStuffWorks How Does Vocal Fry Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-06-brainstuff-what-is-vocal-fry.mp3?awCollectionId=1009&awEpisodeId=923212 You’ve probably heard people complaining about vocal fry, and you’ve certainly heard it used in conversation, but what causes it? Christian explains the science of fry and creak in this episode of BrainStuff. Tue, 07 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-06-brainstuff-what-is-vocal-fry.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:01 You’ve probably heard people complaining about vocal fry, and you’ve certainly heard it used in conversation, but what causes it? Christian explains the science of fry and creak in this episode of BrainStuff. HowStuffWorks How Does Aspirin Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-02-01-brainstuff-how-does-aspirin-work.mp3?awCollectionId=1009&awEpisodeId=923194 How does aspirin target your pain? The plants that aspirin were derived from have been used as medicine for about 6000 years, we finally discovered how it works in 1971, and Christian explains it to you now. Wed, 01 Feb 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-02-01-brainstuff-how-does-aspirin-work.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:27 How does aspirin target your pain? The plants that aspirin were derived from have been used as medicine for about 6000 years, we finally discovered how it works in 1971, and Christian explains it to you now. HowStuffWorks How Long Would It Take To Walk Around The World? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-30-brainstuff-how-long-walk-world.mp3?awCollectionId=1009&awEpisodeId=923190 Christian explains what goes into calculating how long it would take to traverse the globe on foot, and tells us about some intrepid explorers who've tried to do it. Mon, 30 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-30-brainstuff-how-long-walk-world.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:29 Christian explains what goes into calculating how long it would take to traverse the globe on foot, and tells us about some intrepid explorers who've tried to do it. HowStuffWorks How Does Déjà vu Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-25-brainstuff-how-does-deja-vu-work.mp3?awCollectionId=1009&awEpisodeId=923173 Ever gotten the strange feeling that you’re repeating an experience? Researchers have over 40 theories about what’s going on in the brain during déjà vu, and Christian is here to explain the most popular ones. Wed, 25 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-25-brainstuff-how-does-deja-vu-work.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:14 Ever gotten the strange feeling that you’re repeating an experience? Researchers have over 40 theories about what’s going on in the brain during déjà vu, and Christian is here to explain the most popular ones. HowStuffWorks How Does Crooke's Radiometer Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-23-brainstuff-how-does-crookes-radiometer-work.mp3?awCollectionId=1009&awEpisodeId=923152 Christian explains the science behind this seemingly magical gizmo. Mon, 23 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-23-brainstuff-how-does-crookes-radiometer-work.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:17 Christian explains the science behind this seemingly magical gizmo. HowStuffWorks What the Heck is GDP? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-18-brainstuff-gdp.mp3?awCollectionId=1009&awEpisodeId=923107 GDP, GNP – what does it all mean? Jonathan explains what economists mean when they bring up these common economic indicators. Wed, 18 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-18-brainstuff-gdp.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:34 GDP, GNP – what does it all mean? Jonathan explains what economists mean when they bring up these common economic indicators. HowStuffWorks What Determines Your Hair Color? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-16-brainstuff-hair-color.mp3?awCollectionId=1009&awEpisodeId=923099 There's a lot of natural variation in the color of human hair. What's the physical explanation for the difference? Mon, 16 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-16-brainstuff-hair-color.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:50 There's a lot of natural variation in the color of human hair. What's the physical explanation for the difference? HowStuffWorks Why Is Bacon Considered A Breakfast Food? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-11-brainstuff-bacon-for-breakfast.mp3?awCollectionId=1009&awEpisodeId=923090 Sure, everyone knows that bacon and eggs are a traditional breakfast - but why? Listen in to learn how Freud's nephew invented PR and changed the way America eats breakfast. Wed, 11 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-11-brainstuff-bacon-for-breakfast.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:30 Sure, everyone knows that bacon and eggs are a traditional breakfast - but why? Listen in to learn how Freud's nephew invented PR and changed the way America eats breakfast. HowStuffWorks What Are Brain Orgasms And ASMR Whisperers? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-09-brainstuff-asmr-brain-whispers.mp3?awCollectionId=1009&awEpisodeId=923077 Christian delves into the euphoric sensations of the Autonomous Sensory Meridian Response (ASMR) and reveals what triggers it and how science has responded so far. Mon, 09 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-09-brainstuff-asmr-brain-whispers.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:55 Christian delves into the euphoric sensations of the Autonomous Sensory Meridian Response (ASMR) and reveals what triggers it and how science has responded so far. HowStuffWorks The Way We Think About Sugar Is Going To Change http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-04-brainstuff-sugar-change.mp3?awCollectionId=1009&awEpisodeId=923060 The FDA recently changed their Nutrition Facts label to include added sugars. But why? Thu, 05 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-04-brainstuff-sugar-change.mp3 podcast@howstuffworks.com (BrainStuff) no 00:10:12 The FDA recently changed their Nutrition Facts label to include added sugars. But why? HowStuffWorks How Do Erasers Erase? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2017-01-02-brainstuff-erasers-erase.mp3?awCollectionId=1009&awEpisodeId=923034 Erasers lift our mistakes right off the page, but it's not magic - it's the microscopic physics of stickiness. Mon, 02 Jan 2017 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2017-01-02-brainstuff-erasers-erase.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:04 Erasers lift our mistakes right off the page, but it's not magic - it's the microscopic physics of stickiness. HowStuffWorks Why Do Some People Faint At The Sight of Blood? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-28-brainstuff-faint-at-sight-of-blood.mp3?awCollectionId=1009&awEpisodeId=923033 Christian explains the science of why people faint at the sight of blood. Wed, 28 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-28-brainstuff-faint-at-sight-of-blood.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:17 Christian explains the science of why people faint at the sight of blood. HowStuffWorks Do Crosswalk and "Close Door" Buttons Really Do Anything? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-26-brainstuff-crosswalk-close-door-buttons.mp3?awCollectionId=1009&awEpisodeId=923032 Are the buttons we push to cross streets, close elevator doors, and nudge the office thermostat really connected to anything? Some aren’t! Learn how these placebo buttons (don’t) work. Mon, 26 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-26-brainstuff-crosswalk-close-door-buttons.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:28 Are the buttons we push to cross streets, close elevator doors, and nudge the office thermostat really connected to anything? Some aren’t! Learn how these placebo buttons (don’t) work. HowStuffWorks How Is An Autopsy Performed? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-21-brainstuff-autopsy-performed.mp3?awCollectionId=1009&awEpisodeId=922870 When you need someone to exam a corpse to determine a cause of death, how do they conduct the autopsy? Wed, 21 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-21-brainstuff-autopsy-performed.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:56 When you need someone to exam a corpse to determine a cause of death, how do they conduct the autopsy? HowStuffWorks Why Do Helicopter Blades Look Weird On Video? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-19-brainstuff-helicopter-blades.mp3?awCollectionId=1009&awEpisodeId=922869 Helicopter blades and other fast spinning objects often produce strange effects on camera. Christian explains why. Mon, 19 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-19-brainstuff-helicopter-blades.mp3 podcast@howstuffworks.com (BrainStuff) no 00:07:32 Helicopter blades and other fast spinning objects often produce strange effects on camera. Christian explains why. HowStuffWorks What Is American Cheese Really Made Of? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-14-brainstuff-american-cheese.mp3?awCollectionId=1009&awEpisodeId=922857 Processed American cheese is super cheap, consistent, shelf-stable, and orange. Christian explains how this science cheese is made. Wed, 14 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-14-brainstuff-american-cheese.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:23 Processed American cheese is super cheap, consistent, shelf-stable, and orange. Christian explains how this science cheese is made. HowStuffWorks Why Do Dogs Tilt Their Heads? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-12-brainstuff-dogs-tilt-heads.mp3?awCollectionId=1009&awEpisodeId=922842 Is this adorable behavior rooted in sensory necessity or purposeful gesticulation? We explore what may be the cutest research ever. Mon, 12 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-12-brainstuff-dogs-tilt-heads.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:41 Is this adorable behavior rooted in sensory necessity or purposeful gesticulation? We explore what may be the cutest research ever. HowStuffWorks Why Do So Many Price Tags End in .99? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-07-brainstuff-price-tags.mp3?awCollectionId=1009&awEpisodeId=922776 It’s very common to see the number 9 at the right end of a price tag. Why is this? Christian explains the psychology of prices and nines in this episode of BrainStuff. Wed, 07 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-07-brainstuff-price-tags.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:28 It’s very common to see the number 9 at the right end of a price tag. Why is this? Christian explains the psychology of prices and nines in this episode of BrainStuff. HowStuffWorks Why Do Movie Theaters Sell Popcorn? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-12-05-brainstuff-movie-theaters-popcorn.mp3?awCollectionId=1009&awEpisodeId=922752 For millions of moviegoers, the idea of visiting the local theater automatically conjures memories of popcorn. But this wasn’t always the case – so why, out of all snacks, did popcorn become the #1 snack for film? Mon, 05 Dec 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-12-05-brainstuff-movie-theaters-popcorn.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:24 For millions of moviegoers, the idea of visiting the local theater automatically conjures memories of popcorn. But this wasn’t always the case – so why, out of all snacks, did popcorn become the #1 snack for film? HowStuffWorks How Does Lucid Dreaming Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-30-brainstuff-lucid-dreaming.mp3?awCollectionId=1009&awEpisodeId=922724 Science has proven that we can be aware of our dreams while we’re in them. But can we control our dreams? Christian breaks it to you gently. Wed, 30 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-30-brainstuff-lucid-dreaming.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:11 Science has proven that we can be aware of our dreams while we’re in them. But can we control our dreams? Christian breaks it to you gently. HowStuffWorks What Is Satanism? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-28-brainstuff-what-is-satanism.mp3?awCollectionId=1009&awEpisodeId=922693 Just the term satanism is controversial. But what's actually going on with this counter-culture religion that values individualism and nonconformity? Mon, 28 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-28-brainstuff-what-is-satanism.mp3 podcast@howstuffworks.com (BrainStuff) no 00:08:36 Just the term satanism is controversial. But what's actually going on with this counter-culture religion that values individualism and nonconformity? HowStuffWorks Why Do We Itch? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-23-brainstuff-why-do-we-itch.mp3?awCollectionId=1009&awEpisodeId=922676 Virtually everyone has experienced an itch at one time or another – but what is an itch exactly? What causes it, and why can having one be such a maddening experience? Wed, 23 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-23-brainstuff-why-do-we-itch.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:37 Virtually everyone has experienced an itch at one time or another – but what is an itch exactly? What causes it, and why can having one be such a maddening experience? HowStuffWorks How Do Microwave Ovens Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-21-brainstuff-how-do-microwave-ovens-work.mp3?awCollectionId=1009&awEpisodeId=922662 They’re convenient, ubiquitous and easy to use. But how do these things work, exactly? What do people mean when they say a microwave cooks food inside out? Mon, 21 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-21-brainstuff-how-do-microwave-ovens-work.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:40 They’re convenient, ubiquitous and easy to use. But how do these things work, exactly? What do people mean when they say a microwave cooks food inside out? HowStuffWorks Why Do Dogs Yawn? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-16-brainstuff-why-do-dogs-yawn.mp3?awCollectionId=1009&awEpisodeId=922638 Dogs communicate by yawning, and it's complex to figure out what they might mean. Wed, 16 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-16-brainstuff-why-do-dogs-yawn.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:27 Dogs communicate by yawning, and it's complex to figure out what they might mean. HowStuffWorks Is WiFi Safe? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-14-brainstuff-is-wifi-safe.mp3?awCollectionId=1009&awEpisodeId=922626 You've probably heard that wireless internet (WiFi) is dangerous. But is it true? Christian breaks it down. Mon, 14 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-14-brainstuff-is-wifi-safe.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:44 You've probably heard that wireless internet (WiFi) is dangerous. But is it true? Christian breaks it down. HowStuffWorks What's the ideal temperature for your refrigerator? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-09-brainstuff-ideal-fridge-temperature.mp3?awCollectionId=1009&awEpisodeId=922598 In this episode, Christian explains how bacteria spoils food and what temperature your refrigerator should be to slow their progress. Wed, 09 Nov 2016 03:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-09-brainstuff-ideal-fridge-temperature.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:59 In this episode, Christian explains how bacteria spoils food and what temperature your refrigerator should be to slow their progress. HowStuffWorks Why do some noises drive me crazy? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-07-brainstuff-noises-drive-crazy.mp3?awCollectionId=1009&awEpisodeId=922569 Do you want to strangle people for chewing gum? Does the crinkle of plastic fill you with inarticulate, homicidal fury? If so, you may suffer from the little-understood condition called 'misophonia'. Mon, 07 Nov 2016 03:00:00 -0500 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-07-brainstuff-noises-drive-crazy.mp3 podcast@howstuffworks.com (BrainStuff) no 00:06:40 Do you want to strangle people for chewing gum? Does the crinkle of plastic fill you with inarticulate, homicidal fury? If so, you may suffer from the little-understood condition called 'misophonia'. HowStuffWorks How do one-way mirrors work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-11-02-brainstuff-one-way-mirrors.mp3?awCollectionId=1009&awEpisodeId=922543 How can a single piece of glass look like a mirror from one side but a window from the other? It's not magic, it's materials technology. Wed, 02 Nov 2016 03:00:00 -0400 http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-11-02-brainstuff-one-way-mirrors.mp3 podcast@howstuffworks.com (BrainStuff) no 00:05:27 How can a single piece of glass look like a mirror from one side but a window from the other? It's not magic, it's materials technology. HowStuffWorks Will Soda Really Ruin My Teeth? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-31-brainstuff-soda-ruin-teeth.mp3?awCollectionId=1009&awEpisodeId=921955 If your teeth are one of the hardest parts of your body, then how could soda damage them? Tune in to learn more. Mon, 31 Oct 2016 14:13:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-31-brainstuff-soda-ruin-teeth.mp3 podcast@howstuffworks.com (BrainStuff) no Teeth, cavities, enamel, damage, soda 00:08:10 If your teeth are one of the hardest parts of your body, then how could soda damage them? Tune in to learn more. HowStuffWorks Why Do Fluorescent Lights Make That Buzzing Noise? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-26-brainstuff-fluorescent-lights.mp3?awCollectionId=1009&awEpisodeId=921956 Bzzzzzzzzzzzzzzzzz Wed, 26 Oct 2016 13:01:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-26-brainstuff-fluorescent-lights.mp3 podcast@howstuffworks.com (BrainStuff) no buzzing noise, fluorescent lights, office buildings 00:06:57 Bzzzzzzzzzzzzzzzzz HowStuffWorks Are Stupid People More Confident? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-24-brainstuff-stupid-people-more-confident.mp3?awCollectionId=1009&awEpisodeId=921957 We've all heard about the supposed relationship between confidence and knowledge - but is it true? Two researchers think they've found the answer. Mon, 24 Oct 2016 16:40:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-24-brainstuff-stupid-people-more-confident.mp3 podcast@howstuffworks.com (BrainStuff) no confidence, stupid people, research, knowledge 00:06:06 We've all heard about the supposed relationship between confidence and knowledge - but is it true? Two researchers think they've found the answer. HowStuffWorks How Does Saliva Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-19-brainstuff-how-does-saliva-work.mp3?awCollectionId=1009&awEpisodeId=921958 Your saliva makes things taste great while killing bacteria and helping digestion. Wed, 19 Oct 2016 10:00:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-19-brainstuff-how-does-saliva-work.mp3 podcast@howstuffworks.com (BrainStuff) no Saliva, bacteria, digestion, DNA, 00:09:14 Your saliva makes things taste great while killing bacteria and helping digestion. HowStuffWorks What Causes Red Eye In Photos? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-17-brainstuff-red-eye.mp3?awCollectionId=1009&awEpisodeId=921959 How can a camera's flash make your eyes glow red? Tune in to learn how it works -- and how to prevent it. Mon, 17 Oct 2016 10:54:18 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-17-brainstuff-red-eye.mp3 podcast@howstuffworks.com (BrainStuff) no red eye, shutter speed, flash, speed of light, photography 00:05:15 How can a camera's flash make your eyes glow red? Tune in to learn how it works -- and how to prevent it. HowStuffWorks Why Do Men Have Deeper Voices? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-12-brainstuff-male-voices-deeper.mp3?awCollectionId=1009&awEpisodeId=921960 Christian explains why male humans' voices generally get lower than female humans' during puberty. Wed, 12 Oct 2016 13:52:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-12-brainstuff-male-voices-deeper.mp3 podcast@howstuffworks.com (BrainStuff) no Male voices, female voices, larynx, vocal cords, helium, puberty, brainstuff, howstuffworks 00:08:53 Christian explains why male humans' voices generally get lower than female humans' during puberty. HowStuffWorks Why Are Honey Bees Disappearing? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-10-brainstuff-honey-bees-disappearing.mp3?awCollectionId=1009&awEpisodeId=921961 Honey bees are vanishing? But why? Mon, 10 Oct 2016 11:23:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-10-brainstuff-honey-bees-disappearing.mp3 podcast@howstuffworks.com (BrainStuff) no Honey bees, disappearing bees, colony collapse, bee population 00:08:08 Honey bees are vanishing? But why? HowStuffWorks How Do TV Ratings Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-05-brainstuff-how-do-tv-ratings-work.mp3?awCollectionId=1009&awEpisodeId=921962 The future of your favorite TV shows hinges on their ratings – but what is a rating, and where does it come from? Wed, 05 Oct 2016 13:00:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-05-brainstuff-how-do-tv-ratings-work.mp3 podcast@howstuffworks.com (BrainStuff) no TV Ratings, TV Shows, TV Viewing, Television, Commercials, Cancelled Shows, Viewership, Nielsen Ratings 00:08:27 The future of your favorite TV shows hinges on their ratings – but what is a rating, and where does it come from? HowStuffWorks How Do Car Horns Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-10-03-brainstuff-car-horn.mp3?awCollectionId=1009&awEpisodeId=921963 The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done. Mon, 03 Oct 2016 16:33:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-10-03-brainstuff-car-horn.mp3 podcast@howstuffworks.com (BrainStuff) no car horns, electromagnetic horn, honking horn, road rage, brainstuff, howstuffworks, physics 00:07:09 The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done. HowStuffWorks What is Russia's "Dead Hand?" http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-28-brainstuff-what-is-russia-dead-hand.mp3?awCollectionId=1009&awEpisodeId=921964 We’ve all seen movies with supervillains building catastrophic Doomsday devices – but has anyone ever built a real one? Join Christian to learn how the Cold War led to the most dangerous nuclear system in history: Russia’s legendary – and terrifying – Dead Hand. Tue, 27 Sep 2016 16:23:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-28-brainstuff-what-is-russia-dead-hand.mp3 podcast@howstuffworks.com (BrainStuff) no Nuclear weapons, russia, doomsday device, dead hand, cold war 00:08:14 We’ve all seen movies with supervillains building catastrophic Doomsday devices – but has anyone ever built a real one? Join Christian to learn how the Cold War led to the most dangerous nuclear system in history: Russia’s legendary – and terrifying – Dead Hand. HowStuffWorks What Causes the Northern Lights? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-26-brainstuff-northen-lights.mp3?awCollectionId=1009&awEpisodeId=921965 There are many misconceptions about what causes the Aurora Borealis when it really requires solar winds, magnetic fields and excited atmospheric gases. Mon, 26 Sep 2016 13:43:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-26-brainstuff-northen-lights.mp3 podcast@howstuffworks.com (BrainStuff) no solar winds, northern lights, aurora borealis, magnetic fields, atmospheric gases, how the northern lights work 00:07:56 There are many misconceptions about what causes the Aurora Borealis when it really requires solar winds, magnetic fields and excited atmospheric gases. HowStuffWorks What Is White Noise? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-21-brainstuff-white-noise.mp3?awCollectionId=1009&awEpisodeId=921966 Christian defines what white noise actually is and how it's used to mask other annoying sounds. Wed, 21 Sep 2016 17:25:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-21-brainstuff-white-noise.mp3 podcast@howstuffworks.com (BrainStuff) no White noise, pink noise, tinnitus, masking sounds, frequencies, brainstuff, howstuffworks 00:07:47 Christian defines what white noise actually is and how it's used to mask other annoying sounds. HowStuffWorks Do Supplemental Vitamins Actually Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-19-brainstuff-do-vitamins-work.mp3?awCollectionId=1009&awEpisodeId=921967 A vitamin a day keeps you healthy to play. Or does it? Mon, 19 Sep 2016 11:13:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-19-brainstuff-do-vitamins-work.mp3 podcast@howstuffworks.com (BrainStuff) no supplemental vitamins, vitamins safe, multivitamin, vitamins for kids, vitamin d, folic acid, vitamin e, vitamin a, vitamin mortality, howstuffworks, brainstuff 00:09:26 A vitamin a day keeps you healthy to play. Or does it? HowStuffWorks How Does Night Vision Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-14-brainstuff-night-vision.mp3?awCollectionId=1009&awEpisodeId=921968 For the vast majority of international travelers, a passport is a necessity. But why? Wed, 14 Sep 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-14-brainstuff-night-vision.mp3 podcast@howstuffworks.com (BrainStuff) no Night vision, night vision goggles, eyesight, howstuffworks, brainstuff 00:05:46 For the vast majority of international travelers, a passport is a necessity. But why? HowStuffWorks Why Do I Need A Passport To Travel? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-12-brainstuff-do-i-need-a-passport.mp3?awCollectionId=1009&awEpisodeId=921969 For the vast majority of international travelers, a passport is a necessity. But why? Mon, 12 Sep 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-12-brainstuff-do-i-need-a-passport.mp3 podcast@howstuffworks.com (BrainStuff) no passport, travel, foreign countries, traveling, the queen of england, brainstuff, howstuffworks 00:08:40 For the vast majority of international travelers, a passport is a necessity. But why? HowStuffWorks How Do Bed Bugs Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-07-brainstuff-bed-bugs.mp3?awCollectionId=1009&awEpisodeId=921970 These insects live in your bedroom, drink your blood and stain your sheets. How do you get rid of them? Wed, 07 Sep 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-07-brainstuff-bed-bugs.mp3 podcast@howstuffworks.com (BrainStuff) no Bed bugs, getting rid of bed bugs, insects, blood drinking insects, deet, howstuffworks, brainstuff 00:08:04 These insects live in your bedroom, drink your blood and stain your sheets. How do you get rid of them? HowStuffWorks What If The Moon Disappeared? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-09-05-brainstuff-no-moon.mp3?awCollectionId=1009&awEpisodeId=921971 Without the moon, how would Earth's environment be affected? Would we survive? Mon, 05 Sep 2016 18:26:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-09-05-brainstuff-no-moon.mp3 podcast@howstuffworks.com (BrainStuff) no moon, tides, waves, light, dark, howstuffworks, brainstuff 00:06:02 Without the moon, how would Earth's environment be affected? Would we survive? HowStuffWorks What is "Ranch" Flavor? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-31-brainstuff-what-is-ranch-flavor.mp3?awCollectionId=1009&awEpisodeId=921972 A plumber in Alaska invented a bizarre condiment that launched a multimillion dollar industry, and today ranch is the most popular salad dressing in the US. But what exactly is this stuff? Wed, 31 Aug 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-31-brainstuff-what-is-ranch-flavor.mp3 podcast@howstuffworks.com (BrainStuff) no Ranch dressing, mayo, ranch flavor, buttermilk, salad dressing, dip, food, brainstuff, howstuffworks 00:06:18 A plumber in Alaska invented a bizarre condiment that launched a multimillion dollar industry, and today ranch is the most popular salad dressing in the US. But what exactly is this stuff? HowStuffWorks What Is Fracking? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-29-brainstuff-what-is-fracking.mp3?awCollectionId=1009&awEpisodeId=921973 You’ve heard of fracking, and you’re pretty sure lots of people don’t like it, but do you know how it actually works? Mon, 29 Aug 2016 12:09:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-29-brainstuff-what-is-fracking.mp3 podcast@howstuffworks.com (BrainStuff) no fracking, hydraulic fracking, natural gas drilling, environment, hydraulic fracturing, well stimulation, gasoline, oil, fracking controversy 00:06:33 You’ve heard of fracking, and you’re pretty sure lots of people don’t like it, but do you know how it actually works? HowStuffWorks The Science of Glow Sticks http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-24-brainstuff-glow-stick-science.mp3?awCollectionId=1009&awEpisodeId=921974 What do fireflies, TVs, neon signs, and glowsticks have in common? Wed, 24 Aug 2016 10:55:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-24-brainstuff-glow-stick-science.mp3 podcast@howstuffworks.com (BrainStuff) no Glowsticks, science, neon signs, fireflies, TV, chemiluminescence, phenyl oxalate, brainstuff, howstuffworks, 00:05:53 What do fireflies, TVs, neon signs, and glowsticks have in common? HowStuffWorks Does Your Name Determine Your Future? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-22-brainstuff-name-determine-future.mp3?awCollectionId=1009&awEpisodeId=921975 How much does your name actually matter? Are some names going to make you rich, while others make you poor? Mon, 22 Aug 2016 10:51:53 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-22-brainstuff-name-determine-future.mp3 podcast@howstuffworks.com (BrainStuff) no Names, predicting future, name studies, name future, nominative determinism, identification, brainstuff, howstuffworks, name popularity 00:06:36 How much does your name actually matter? Are some names going to make you rich, while others make you poor? HowStuffWorks What Happens When I Have A Hangover? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-17-brainstuff-what-happens-hangover.mp3?awCollectionId=1009&awEpisodeId=921976 If you've ever had a few too many beers at a party, then you've probably encountered the symptoms of a hangover -- the pulsing headache, dry mouth, nausea and more. But what's actually happening to you? And what is it about alcohol that can turn a wonderful Saturday night into an agonizing Sunday morning? Wed, 17 Aug 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-17-brainstuff-what-happens-hangover.mp3 podcast@howstuffworks.com (BrainStuff) no Hangovers, alcohol, beer, wine, liquor, hydration, headache, dry mouth, nausea, throwing up, dehydration, howstuffworks, brainstuff 00:09:21 If you've ever had a few too many beers at a party, then you've probably encountered the symptoms of a hangover -- the pulsing headache, dry mouth, nausea and more. But what's actually happening to you? And what is it about alcohol that can turn a wonderful Saturday night into an agonizing Sunday morning? HowStuffWorks How Do Laugh Tracks Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-15-brainstuff-how-do-laugh-tracks-work.mp3?awCollectionId=1009&awEpisodeId=921977 Sitcoms use laugh tracks all the time. But where do they come from? Mon, 15 Aug 2016 12:57:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-15-brainstuff-how-do-laugh-tracks-work.mp3 podcast@howstuffworks.com (BrainStuff) no Laugh tracks, laugh box, comedy, television, sitcoms, live audience, canned audience, laughter, howstuffworks, brainstuff 00:07:55 Sitcoms use laugh tracks all the time. But where do they come from? HowStuffWorks Why Do You Hate the Sound of Your Own Voice? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-09-brainstuff-hate-sound-own-voice.mp3?awCollectionId=1009&awEpisodeId=921978 The recorded sound of your voice usually makes you cringe because of two ways vibrations reach your ear. Wed, 10 Aug 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-09-brainstuff-hate-sound-own-voice.mp3 podcast@howstuffworks.com (BrainStuff) no recorded voice, hate sound of own voice, skull, bone, vibrations, howstuffworks, brainstuff 00:05:01 The recorded sound of your voice usually makes you cringe because of two ways vibrations reach your ear. HowStuffWorks How Does Air Force One Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-08-brainstuff-air-force-one.mp3?awCollectionId=1009&awEpisodeId=921979 When the President travels the friendly skies, he does it in style. Mon, 08 Aug 2016 12:05:32 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-08-brainstuff-air-force-one.mp3 podcast@howstuffworks.com (BrainStuff) no Air Force One, Boeing, Brainstuff, Howstuffworks, Presidential Plane, How Air Force One Works, Obama, JFK 00:09:22 When the President travels the friendly skies, he does it in style. HowStuffWorks How Does Marijuana Affect Your Memory? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-03-brainstuff-marijuana-affect-memory.mp3?awCollectionId=1009&awEpisodeId=921980 People who smoke pot have a reputation for being forgetful or absentminded. But what's the real science behind this? Wed, 03 Aug 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-03-brainstuff-marijuana-affect-memory.mp3 podcast@howstuffworks.com (BrainStuff) no THC, Marijuana and Memory, Pot, Weed Memory, Drugs, Forgetful, Stoner, Chronic Smoking, Howstuffworks, Brainstuff 00:07:30 People who smoke pot have a reputation for being forgetful or absentminded. But what's the real science behind this? HowStuffWorks How Do We Know What Dinosaurs Looked Like? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-08-01-brainstuff-dinosaurs-looked-like.mp3?awCollectionId=1009&awEpisodeId=921981 Can we really reconstruct a dinosaur’s appearance from a bunch of million-year-old fossils? How? Mon, 01 Aug 2016 11:51:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-08-01-brainstuff-dinosaurs-looked-like.mp3 podcast@howstuffworks.com (BrainStuff) no dinosaurs, color, feathers. dinosaur skin, howstuffworks, brainstuff, reconstructing dinosaurs, dinosaur reconstruction 00:05:38 Can we really reconstruct a dinosaur’s appearance from a bunch of million-year-old fossils? How? HowStuffWorks Does Eating Before Bed Give You Nightmares? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-27-brainstuff-eating-bed-nightmares.mp3?awCollectionId=1009&awEpisodeId=921982 Why do some foods affect our dreams? Wed, 27 Jul 2016 10:21:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-27-brainstuff-eating-bed-nightmares.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, Nightmares, Food Nightmares, Smoking, Drinking, Carbs, Alcohol, Onions, Energy Drinks, Sleeping, Food Nightmares, Magnesium, Howstuffworks 00:06:51 Why do some foods affect our dreams? HowStuffWorks Why Do Men Have Nipples? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-25-brainstuff-man-nipples.mp3?awCollectionId=1009&awEpisodeId=921983 Men don’t usually lactate – but they can! Christian explores how breast tissue develops in human embryos of both sexes, and explains why mice are more advanced, evolution-wise. Mon, 25 Jul 2016 11:06:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-25-brainstuff-man-nipples.mp3 podcast@howstuffworks.com (BrainStuff) no lactation, men nipples, nipples, breast tissue, howstuffworks, brainstuff, mice, evolution 00:05:33 Men don’t usually lactate – but they can! Christian explores how breast tissue develops in human embryos of both sexes, and explains why mice are more advanced, evolution-wise. HowStuffWorks Why Does Gasoline Smell So Good? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-20-brainstuff-gasoline-smell-good.mp3?awCollectionId=1009&awEpisodeId=921984 Some people sense a sweet, euphoric odor when pumping gas into their car. Why is that? And is it hazardous? Wed, 20 Jul 2016 13:21:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-20-brainstuff-gasoline-smell-good.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, benzene, gasoline, gas smell, fuel, car fueling, toxic, is gas hazardous, gasoline odor, howstuffworks 00:06:52 Some people sense a sweet, euphoric odor when pumping gas into their car. Why is that? And is it hazardous? HowStuffWorks What Is The Oldest Living Thing? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-18-brainstuff-oldest-living-thing.mp3?awCollectionId=1009&awEpisodeId=921985 From eldritch aspen colonies to immortal jellyfish, the world is lousy with long-lived organisms. But what’s the oldest? Mon, 18 Jul 2016 12:25:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-18-brainstuff-oldest-living-thing.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, oldest living thing, oldest organism, eldritch aspen colonies, jellyfish, long-living organisms, howstuffworks 00:06:00 From eldritch aspen colonies to immortal jellyfish, the world is lousy with long-lived organisms. But what’s the oldest? HowStuffWorks Why Do We Sleep? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-13-brainstuff-why-do-we-sleep.mp3?awCollectionId=1009&awEpisodeId=921986 Sleeping is frustrating for many of us. So why do we have to do it? Christian reviews several possibilities and reveals all the bad things that can happen if you sleep too much... or not at all. Wed, 13 Jul 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-13-brainstuff-why-do-we-sleep.mp3 podcast@howstuffworks.com (BrainStuff) no Sleep, sleep deprivation, health, hallucination, sleeping, why do we sleep, rest, Brainstuff, howstuffworks 00:07:27 Sleeping is frustrating for many of us. So why do we have to do it? Christian reviews several possibilities and reveals all the bad things that can happen if you sleep too much... or not at all. HowStuffWorks How Does Captain America's Shield Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-11-brainstuff-how-does-captain-americas-shield-work.mp3?awCollectionId=1009&awEpisodeId=921987 Let's take a look at the fictional history of Captain America's indestructible shield and try to figure out how it might have been forged and how aerodynamic it could be. Mon, 11 Jul 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-11-brainstuff-how-does-captain-americas-shield-work.mp3 podcast@howstuffworks.com (BrainStuff) no Captain America Shield, Shield, Indestructible Shield, Brainstuff, Howstuffworks, Wired, Fictional History, Marvel, Iron Man 00:08:02 Let's take a look at the fictional history of Captain America's indestructible shield and try to figure out how it might have been forged and how aerodynamic it could be. HowStuffWorks How Does Sleepwalking Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-06-brainstuff-how-does-sleepwalking-work.mp3?awCollectionId=1009&awEpisodeId=921988 Have you ever walked in your sleep? Somnambulism isn't as rare as you might think. Join Christian as he explores the facts and fiction about sleepwalking, from its many possible causes to whether you can safely wake up a somnambulist mid-stroll. Wed, 06 Jul 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-06-brainstuff-how-does-sleepwalking-work.mp3 podcast@howstuffworks.com (BrainStuff) no sleepwalking, somnambulism, walking in your sleep, brainstuff, howstuffworks. how sleepwalking works 00:07:28 Have you ever walked in your sleep? Somnambulism isn't as rare as you might think. Join Christian as he explores the facts and fiction about sleepwalking, from its many possible causes to whether you can safely wake up a somnambulist mid-stroll. HowStuffWorks Why Shouldn't I Rob A Bank? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-07-04-brainstuff-why-shouldnt-i-rob-a-bank.mp3?awCollectionId=1009&awEpisodeId=921989 Robbing a bank is a dumb idea. And not just because it's illegal. Mon, 04 Jul 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-07-04-brainstuff-why-shouldnt-i-rob-a-bank.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, bank robbery, heist films, robbing a bank, breaking the law, theft, illegal robbery 00:07:03 Robbing a bank is a dumb idea. And not just because it's illegal. HowStuffWorks Can Absinthe Make You Hallucinate? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-29-brainstuff-can-absinthe-make-you-hallucinate.mp3?awCollectionId=1009&awEpisodeId=921990 Absinthe has a dangerous reputation. But will you really meet The Green Fairy if you drink it? Wed, 29 Jun 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-29-brainstuff-can-absinthe-make-you-hallucinate.mp3 podcast@howstuffworks.com (BrainStuff) no Absinthe, Brainstuff, Alcohol, Banned Drinks, Hallucinations, Hysteria, The Green Fairy 00:10:53 Absinthe has a dangerous reputation. But will you really meet The Green Fairy if you drink it? HowStuffWorks Why Don't Humans Have Tails? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-27-brainstuff-why-dont-humans-have-tails.mp3?awCollectionId=1009&awEpisodeId=921991 Whether they’re swatting away horseflies or helping a monkey swing through the forest, tails are a pretty amazing adaptation. So why don’t humans have them? Mon, 27 Jun 2016 12:58:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-27-brainstuff-why-dont-humans-have-tails.mp3 podcast@howstuffworks.com (BrainStuff) no Humans, tails, brainstuff, evolution, animals, appendages, adaptation 00:06:38 Whether they’re swatting away horseflies or helping a monkey swing through the forest, tails are a pretty amazing adaptation. So why don’t humans have them? HowStuffWorks Where Is The Biggest Garbage Dump On Earth? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-22-brainstuff-worlds-biggest-garbage-dump.mp3?awCollectionId=1009&awEpisodeId=921992 Even though 80% of trash starts on land, tons of it ends up in the ocean, swirling around in a massive patch of plastic debris. Wed, 22 Jun 2016 10:15:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-22-brainstuff-worlds-biggest-garbage-dump.mp3 podcast@howstuffworks.com (BrainStuff) no garbage, earth, worlds biggest garbage dump, ocean garbage patch, trash, brainstuff 00:09:57 Even though 80% of trash starts on land, tons of it ends up in the ocean, swirling around in a massive patch of plastic debris. HowStuffWorks Do You Really Need To Wash Your Jeans? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-20-brainstuff-do-you-need-to-wash-your-jeans.mp3?awCollectionId=1009&awEpisodeId=921993 You might have heard this odd advice from fashion gurus before – “don’t wash your jeans!” But why? Is it real advice, or just a prank pulled on unsuspecting, dim-witted denim rubes? Mon, 20 Jun 2016 09:57:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-20-brainstuff-do-you-need-to-wash-your-jeans.mp3 podcast@howstuffworks.com (BrainStuff) no jeans, washing jeans, raw denim, sanforized, unsanforized, denim cleaning, levis, brainstuff 00:07:15 You might have heard this odd advice from fashion gurus before – “don’t wash your jeans!” But why? Is it real advice, or just a prank pulled on unsuspecting, dim-witted denim rubes? HowStuffWorks Why Do People Go Bald? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-15-brainstuff-why-do-people-go-bald.mp3?awCollectionId=1009&awEpisodeId=921994 For most men, losing your hair is an inevitable side effect of aging. Christian describes the growth cycle of hair, types of baldness that affect men and women, and how most ladies feel about bald dudes. Wed, 15 Jun 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-15-brainstuff-why-do-people-go-bald.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, hair, baldness, balding, male pattern baldness, alopecia, hair growth 00:06:59 For most men, losing your hair is an inevitable side effect of aging. Christian describes the growth cycle of hair, types of baldness that affect men and women, and how most ladies feel about bald dudes. HowStuffWorks Are Humans Still Evolving? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-13-brainstuff-are-humans-still-evolving.mp3?awCollectionId=1009&awEpisodeId=921995 We may not have mutant powers like the X-Men, but natural selection is still changing humanity… for the better. Mon, 13 Jun 2016 10:16:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-13-brainstuff-are-humans-still-evolving.mp3 podcast@howstuffworks.com (BrainStuff) no Human evolution, survival, natural selection, humanity, mutants, vaccinations, brainstuff, milk, wisdom teeth, human powers 00:07:52 We may not have mutant powers like the X-Men, but natural selection is still changing humanity… for the better. HowStuffWorks Why Can't You Tickle Yourself? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-08-brainstuff-why-cant-people-tickle-themselves.mp3?awCollectionId=1009&awEpisodeId=921996 It’s almost impossible to trick your brain so you can tickle yourself. Unless you're schizophrenic… Wed, 08 Jun 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-08-brainstuff-why-cant-people-tickle-themselves.mp3 podcast@howstuffworks.com (BrainStuff) no Tickling, tickle yourself, how tickling works, laughter, brainstuff, howstuffworks, schizophrenia 00:07:02 It’s almost impossible to trick your brain so you can tickle yourself. Unless you're schizophrenic… HowStuffWorks Are Pop Rocks Dangeorus? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-06-brainstuff-are-pop-rocks-dangerous.mp3?awCollectionId=1009&awEpisodeId=921997 Did Pop Rocks really blow the door off of a delivery van? Has anyone ever died from eating these popping bits of sugar? The answers might surprise you. Join Christian as he looks into the truth behind the rumors surrounding the uniquely (and surprisingly loud) candy called Pop Rocks. Mon, 06 Jun 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-06-brainstuff-are-pop-rocks-dangerous.mp3 podcast@howstuffworks.com (BrainStuff) no Pop Rocks, Mikey, Pop culture, food, pop rocks dangerous, life cereal, explosion, popping candy, candy, novelty, science, brainstuff 00:07:22 Did Pop Rocks really blow the door off of a delivery van? Has anyone ever died from eating these popping bits of sugar? The answers might surprise you. Join Christian as he looks into the truth behind the rumors surrounding the uniquely (and surprisingly loud) candy called Pop Rocks. HowStuffWorks Does Hypnosis Actually Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-06-01-brainstuff-does-hypnosis-work.mp3?awCollectionId=1009&awEpisodeId=921998 We see hypnosis in movies and TV all the time – after a few swings of a watch, some poor sap starts clucking like a chicken or crying like a baby – but is there any truth to this? Can you actually hypnotize someone? Wed, 01 Jun 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-06-01-brainstuff-does-hypnosis-work.mp3 podcast@howstuffworks.com (BrainStuff) no Hypnosis, real or fake, hypnotizing, human mind, trance state, relaxation, daydreaming, consciousness, trance, subconscious. cognition, memories, cerebral cortex 00:05:48 We see hypnosis in movies and TV all the time – after a few swings of a watch, some poor sap starts clucking like a chicken or crying like a baby – but is there any truth to this? Can you actually hypnotize someone? HowStuffWorks Why Do We Get Bags Under Our Eyes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-30-brainstuff-bags-under-eyes.mp3?awCollectionId=1009&awEpisodeId=921999 We all get bags under our eyes that make us look tired. Here's how it inevitably happens and some remedies to look your best.​ Mon, 30 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-30-brainstuff-bags-under-eyes.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, bags under eyes, aging, sleep, tiredness, remedies 00:07:45 We all get bags under our eyes that make us look tired. Here's how it inevitably happens and some remedies to look your best.​ HowStuffWorks How Does Radiation Sickness Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-25-brainstuff-radiation-sickness.mp3?awCollectionId=1009&awEpisodeId=922000 Christian explains the science behind the healthy green glow. Wed, 25 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-25-brainstuff-radiation-sickness.mp3 podcast@howstuffworks.com (BrainStuff) no radiation sickness, radiation exposure, beta particles, alpha particles, tissue damage, gamma rays, cell damage, dosage, sieverts, decontamination 00:09:17 Christian explains the science behind the healthy green glow. HowStuffWorks Is There A Noise Loud Enough To Kill You? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-23-brainstuff-noise-so-loud-it-kills.mp3?awCollectionId=1009&awEpisodeId=922001 Loud noises suck. But are they deadly?​ Mon, 23 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-23-brainstuff-noise-so-loud-it-kills.mp3 podcast@howstuffworks.com (BrainStuff) no Noise, loud, loud noises, jet engine, shotgun, research, ear drums, brainstuff 00:06:23 Loud noises suck. But are they deadly?​ HowStuffWorks How Does LASIK Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-18-brainstuff-how-does-lasik-work.mp3?awCollectionId=1009&awEpisodeId=922002 Christian explains the process and risks of LASIK surgery, from preoperative exams, to lasers in your eyes. Wed, 18 May 2016 09:48:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-18-brainstuff-how-does-lasik-work.mp3 podcast@howstuffworks.com (BrainStuff) no LASIK, laser eye surgery, eyes, preoperative exams, brainstuff, lasik risks 00:07:31 Christian explains the process and risks of LASIK surgery, from preoperative exams, to lasers in your eyes. HowStuffWorks How Can Hot Water Freeze Faster Than Cold Water? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-16-brainstuff-how-can-hot-water-freeze-faster-than-cold-water.mp3?awCollectionId=1009&awEpisodeId=922003 At first, it sounds crazy -- wouldn't hot water take longer to freeze? Weirdly enough, the opposite is sometimes true. Join Christian to learn more about a mystery that's puzzled humanity for centuries in this episode of BrainStuff. Mon, 16 May 2016 09:58:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-16-brainstuff-how-can-hot-water-freeze-faster-than-cold-water.mp3 podcast@howstuffworks.com (BrainStuff) no hot water, cold water, freezing, water temperature, water 00:06:10 At first, it sounds crazy -- wouldn't hot water take longer to freeze? Weirdly enough, the opposite is sometimes true. Join Christian to learn more about a mystery that's puzzled humanity for centuries in this episode of BrainStuff. HowStuffWorks Why Can't People Remember Being Born? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-11-brainstuff-why-cant-people-remember-being-born.mp3?awCollectionId=1009&awEpisodeId=922004 You probably remember your 18th birthday, but not your first – or your zeroth. Why is that? Wed, 11 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-11-brainstuff-why-cant-people-remember-being-born.mp3 podcast@howstuffworks.com (BrainStuff) no Remember being born, memory, childhood, infancy memories 00:06:32 You probably remember your 18th birthday, but not your first – or your zeroth. Why is that? HowStuffWorks How Does Bitcoin Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-09-brainstuff-how-does-bitcoin-work.mp3?awCollectionId=1009&awEpisodeId=922005 If money is only valuable when we believe in it, how much is a Bitcoin actually worth? Christian explains the virtual currency as well as how to mine it and the risks involved in investing. Thu, 05 May 2016 11:50:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-09-brainstuff-how-does-bitcoin-work.mp3 podcast@howstuffworks.com (BrainStuff) no Bitcoin, mining, money, monetary value, internet currency, brainstuff 00:07:36 If money is only valuable when we believe in it, how much is a Bitcoin actually worth? Christian explains the virtual currency as well as how to mine it and the risks involved in investing. HowStuffWorks How Do IUDs Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-04-brainstuff-how-do-iuds-work.mp3?awCollectionId=1009&awEpisodeId=922006 Intrauterine devices (IUDs) are a popular and effective method of birth control. So why don't Americans ​use them? Wed, 04 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-04-brainstuff-how-do-iuds-work.mp3 podcast@howstuffworks.com (BrainStuff) no IUDs, Intrauterine devices, Birth Control, Brainstuff 00:07:00 Intrauterine devices (IUDs) are a popular and effective method of birth control. So why don't Americans ​use them? HowStuffWorks How Does Silica Gel Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-05-02-brainstuff-how-does-silica-gel-work.mp3?awCollectionId=1009&awEpisodeId=922007 What is silica gel, and why do I find little packets of it in everything I buy? Christian explains it all in this episode. Mon, 02 May 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-05-02-brainstuff-how-does-silica-gel-work.mp3 podcast@howstuffworks.com (BrainStuff) no Silica gel, gel packets, brainstuff 00:05:07 What is silica gel, and why do I find little packets of it in everything I buy? Christian explains it all in this episode. HowStuffWorks What Do Those Tabs On Rearview Mirrors Actually Do? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-27-brainstuff-what-do-those-tabs-on-rearview-mirrors-do.mp3?awCollectionId=1009&awEpisodeId=922008 Sure, rearview mirrors are cool -- but how do they actually work? How can the same piece of glass have two different amounts of reflection? Join Christian as he explains the science behind these handy devices. Tue, 26 Apr 2016 15:03:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-27-brainstuff-what-do-those-tabs-on-rearview-mirrors-do.mp3 podcast@howstuffworks.com (BrainStuff) no Rearview Mirror, Mirror Tabs, Auto, Glass, Brainstuff 00:04:30 Sure, rearview mirrors are cool -- but how do they actually work? How can the same piece of glass have two different amounts of reflection? Join Christian as he explains the science behind these handy devices. HowStuffWorks Do Figs Really Have Dead Wasps In Them? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-25-brainstuff-do-figs-really-have-dead-wasps-in-them.mp3?awCollectionId=1009&awEpisodeId=922009 Some figs need fig wasps to pollinate their fruit. But are we eating dead wasps every time we bite into a fig? Mon, 25 Apr 2016 10:05:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-25-brainstuff-do-figs-really-have-dead-wasps-in-them.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, Wasps, Figs 00:07:32 Some figs need fig wasps to pollinate their fruit. But are we eating dead wasps every time we bite into a fig? HowStuffWorks How Do Accents Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-20-brainstuff-how-do-accents-work.mp3?awCollectionId=1009&awEpisodeId=922010 Have you ever wondered how accents work? Tune in to this episode of BrainStuff to find out about the ever-evolving accent. Wed, 20 Apr 2016 10:13:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-20-brainstuff-how-do-accents-work.mp3 podcast@howstuffworks.com (BrainStuff) no Accents, Brainstuff 00:05:53 Have you ever wondered how accents work? Tune in to this episode of BrainStuff to find out about the ever-evolving accent. HowStuffWorks What Causes Chapped Lips? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-18-brainstuff-what-causes-chapped-lips.mp3?awCollectionId=1009&awEpisodeId=922011 For some people, winter means a daily battle against cracking, scaling or peeling lips. But what actually causes chapped lips? How can you prevent it? Sun, 17 Apr 2016 21:58:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-18-brainstuff-what-causes-chapped-lips.mp3 podcast@howstuffworks.com (BrainStuff) no Chapped lips, brainstuff 00:05:22 For some people, winter means a daily battle against cracking, scaling or peeling lips. But what actually causes chapped lips? How can you prevent it? HowStuffWorks How (And Why) Do Cats Purr? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-13-brainstuff-how-do-cats-purr.mp3?awCollectionId=1009&awEpisodeId=922012 Cats purr for all kinds of reasons, including communication and healing themselves. Christian explains how purring works and which cats can't do it. Wed, 13 Apr 2016 09:57:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-13-brainstuff-how-do-cats-purr.mp3 podcast@howstuffworks.com (BrainStuff) no Cats, purring, purr, brainstuff 00:05:52 Cats purr for all kinds of reasons, including communication and healing themselves. Christian explains how purring works and which cats can't do it. HowStuffWorks Why Don't Humans Ride Zebras? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-11-brainstuff-why-dont-humans-ride-zebras.mp3?awCollectionId=1009&awEpisodeId=922013 They’re just horses with stripes, right? So why don’t we ride them around like Seabiscuit or Black Beauty? Mon, 11 Apr 2016 16:45:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-11-brainstuff-why-dont-humans-ride-zebras.mp3 podcast@howstuffworks.com (BrainStuff) no Riding zebras 00:06:45 They’re just horses with stripes, right? So why don’t we ride them around like Seabiscuit or Black Beauty? HowStuffWorks How does your stomach keep from digesting itself? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-08-brainstuff-stomach.mp3?awCollectionId=1009&awEpisodeId=922014 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. Fri, 08 Apr 2016 10:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-08-brainstuff-stomach.mp3 podcast@howstuffworks.com (BrainStuff) no digestion, HowStuffWorks 00:04:23 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 What is the battery light on your car's dashboard for? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-06-brainstuff-battery-light.mp3?awCollectionId=1009&awEpisodeId=922015 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, 06 Apr 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-06-brainstuff-battery-light.mp3 podcast@howstuffworks.com (BrainStuff) no battery light, dash lights, auto repair, car battery, HowStuffWorks 00:04:19 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 Why is cotton more absorbent than nylon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-04-brainstuff-cotton-nylon.mp3?awCollectionId=1009&awEpisodeId=922016 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, 04 Apr 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-04-brainstuff-cotton-nylon.mp3 podcast@howstuffworks.com (BrainStuff) no cotton, nylon, Marshall Brain, HowStuffWorks 00:05:29 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 How do motion sensors work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-04-01-brainstuff-motion-sensors.mp3?awCollectionId=1009&awEpisodeId=922017 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. Fri, 01 Apr 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-04-01-brainstuff-motion-sensors.mp3 podcast@howstuffworks.com (BrainStuff) no motions sensors, HowStuffWorks, Marshall Brain 00:04:39 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 What does a modern smart house look like? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-30-brainstuff-smart-house.mp3?awCollectionId=1009&awEpisodeId=922018 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, 30 Mar 2016 10:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-30-brainstuff-smart-house.mp3 podcast@howstuffworks.com (BrainStuff) no smart homes, HowStuffWorks, Marshall Brain 00:07:13 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 Is it possible to turn coal into oil? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-28-brainstuff-oil-from-coal.mp3?awCollectionId=1009&awEpisodeId=922019 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. Mon, 28 Mar 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-28-brainstuff-oil-from-coal.mp3 podcast@howstuffworks.com (BrainStuff) no oil, coal, Marshall Brain, HowStuffWorks 00:07:42 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 How do artificial sweeteners work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-25-brainstuff-artificial-sweeteners.mp3?awCollectionId=1009&awEpisodeId=922020 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, 25 Mar 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-25-brainstuff-artificial-sweeteners.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, artificial sweeteners, food science, HowStuffWorks 00:10:53 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 Can people really build missiles from scratch? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-23-brainstuff-salt-missile.mp3?awCollectionId=1009&awEpisodeId=922021 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 Mar 2016 10:38:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-23-brainstuff-salt-missile.mp3 podcast@howstuffworks.com (BrainStuff) no missiles, Marshall Brain, HowStuffWorks 00:07:37 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 How does a pressurized airplane cabin work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-21-brainstuff-airplane-cabin.mp3?awCollectionId=1009&awEpisodeId=922022 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, 21 Mar 2016 10:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-21-brainstuff-airplane-cabin.mp3 podcast@howstuffworks.com (BrainStuff) no cabin pressure, airplanes, HowStuffWorks 00:07:41 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 What are chiggers, and how do they bite you? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-18-brainstuff-chiggers.mp3?awCollectionId=1009&awEpisodeId=922023 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, 18 Mar 2016 14:23:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-18-brainstuff-chiggers.mp3 podcast@howstuffworks.com (BrainStuff) no chiggers, Marshall Brain, HowStuffWorks 00:05:52 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 Why do people choke under pressure? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-16-brainstuff-choke-pressure.mp3?awCollectionId=1009&awEpisodeId=922024 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, 16 Mar 2016 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-16-brainstuff-choke-pressure.mp3 podcast@howstuffworks.com (BrainStuff) no pressure, choking, HowStuffWorks 00:09:05 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 How does safety glass work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-14-brainstuff-safety-glass.mp3?awCollectionId=1009&awEpisodeId=922025 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, 14 Mar 2016 09:30:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-14-brainstuff-safety-glass.mp3 podcast@howstuffworks.com (BrainStuff) no safety glass, HowStuffWorks 00:05:10 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 How Sea Monkeys Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-09-brainstuff-sea-monkeys.mp3?awCollectionId=1009&awEpisodeId=922027 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. Wed, 09 Mar 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-09-brainstuff-sea-monkeys.mp3 podcast@howstuffworks.com (BrainStuff) no sea monkeys, brine shrimp, HowStuffWorks, Brainstuff 00:03:20 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 What do those plastic recycling symbols means? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-07-brainstuff-plastic-recycling.mp3?awCollectionId=1009&awEpisodeId=922028 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. Mon, 07 Mar 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-07-brainstuff-plastic-recycling.mp3 podcast@howstuffworks.com (BrainStuff) no recycling, plastic, HowStuffWorks 00:04:31 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 What's in mothballs? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-04-brainstuff-moth-balls.mp3?awCollectionId=1009&awEpisodeId=922029 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. Fri, 04 Mar 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-04-brainstuff-moth-balls.mp3 podcast@howstuffworks.com (BrainStuff) no mothballs, HowStuffWorks, Brainstuff 00:04:09 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 What is the heat index? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-03-02-brainstuff-heat-index.mp3?awCollectionId=1009&awEpisodeId=922030 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. Wed, 02 Mar 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-03-02-brainstuff-heat-index.mp3 podcast@howstuffworks.com (BrainStuff) no heat index, Brainstuff, HowStuffWorks 00:04:22 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 Why do your ears pop when you dive in a deep pool? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-29-brainstuff-ears-in-pool.mp3?awCollectionId=1009&awEpisodeId=922031 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. Mon, 29 Feb 2016 11:49:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-29-brainstuff-ears-in-pool.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, Marshall Brain, HowStuffWorks, swimming ears popping, pressure 00:04:39 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 How does someone become a saint? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-26-brainstuff-saints.mp3?awCollectionId=1009&awEpisodeId=922032 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. Fri, 26 Feb 2016 12:32:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-26-brainstuff-saints.mp3 podcast@howstuffworks.com (BrainStuff) no sainthood, HowStuffWorks, Marshall Brain 00:07:29 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 What is a restraining order, and how do you get one? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-24-brainstuff-restraining-order.mp3?awCollectionId=1009&awEpisodeId=922033 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, 24 Feb 2016 12:27:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-24-brainstuff-restraining-order.mp3 podcast@howstuffworks.com (BrainStuff) no restraining order, Marshall Brain, HowStuffWorks 00:06:45 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 Will space tourism become a reality? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-22-brainstuff-space-tourism.mp3?awCollectionId=1009&awEpisodeId=922034 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, 22 Feb 2016 11:41:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-22-brainstuff-space-tourism.mp3 podcast@howstuffworks.com (BrainStuff) no space tourism, Marshall Brain, HowStuffWorks 00:07:28 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 How do carbohydrates work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-12-brainstuff-carbohydrates.mp3?awCollectionId=1009&awEpisodeId=922035 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. Fri, 12 Feb 2016 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-12-brainstuff-carbohydrates.mp3 podcast@howstuffworks.com (BrainStuff) no carbohydrates, nutrition, Marshall Brain, HowStuffWorks 00:08:03 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 Securing Your Wifi Router http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-08-brainstuff-wireless-password.mp3?awCollectionId=1009&awEpisodeId=922036 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, 08 Feb 2016 17:05:49 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-08-brainstuff-wireless-password.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, wifi, routers, internet security, HowStuffWorks 00:07:46 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 How do trick birthday candles work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-05-brainstuff-trick-candle.mp3?awCollectionId=1009&awEpisodeId=922037 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. Fri, 05 Feb 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-05-brainstuff-trick-candle.mp3 podcast@howstuffworks.com (BrainStuff) no trick birthday candles, novelties, HowStuffWorks.com 00:06:38 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 What's that bumpy stuff on my ceiling? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-03-brainstuff-popcorn-ceiling.mp3?awCollectionId=1009&awEpisodeId=922038 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. Wed, 03 Feb 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-03-brainstuff-popcorn-ceiling.mp3 podcast@howstuffworks.com (BrainStuff) no ceiling tiles, popcorn ceiling, construction, materials, HowStuffWorks.com 00:03:46 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 How do nail penny measurements work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-02-01-brainstuff-nail-pennies.mp3?awCollectionId=1009&awEpisodeId=922039 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. Mon, 01 Feb 2016 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-02-01-brainstuff-nail-pennies.mp3 podcast@howstuffworks.com (BrainStuff) no nail pennies, measurement, HowStuffWorks.com 00:03:36 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 How do artificial flavors work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-29-brainstuff-artificial-flavors.mp3?awCollectionId=1009&awEpisodeId=922040 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. Fri, 29 Jan 2016 10:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-29-brainstuff-artificial-flavors.mp3 podcast@howstuffworks.com (BrainStuff) no artificial flavors, HowStuffWorks.com 00:04:38 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 What are motion cards and how do they work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-27-brainstuff-motion-cards.mp3?awCollectionId=1009&awEpisodeId=922041 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. Wed, 27 Jan 2016 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-27-brainstuff-motion-cards.mp3 podcast@howstuffworks.com (BrainStuff) no motion cards, optical illusions, HowStuffWorks.com 00:04:47 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 How does an EPIRB distress radio work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-25-brainstuff-epirb.mp3?awCollectionId=1009&awEpisodeId=922042 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, 25 Jan 2016 10:46:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-25-brainstuff-epirb.mp3 podcast@howstuffworks.com (BrainStuff) no EPIRB, Emergency Position Indicating Radio Beacon, HowStuffWorks.com 00:04:15 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 Can you explain the diameter measurements used in bullets? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-22-brainstuff-bullet-caliber.mp3?awCollectionId=1009&awEpisodeId=922043 Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com. Fri, 22 Jan 2016 09:59:42 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-22-brainstuff-bullet-caliber.mp3 podcast@howstuffworks.com (BrainStuff) no caliber, bullets, Marshall Brain 00:03:32 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 How are movies stored on DVD discs? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-20-brainstuff-dvd.mp3?awCollectionId=1009&awEpisodeId=922044 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. Wed, 20 Jan 2016 17:27:47 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-20-brainstuff-dvd.mp3 podcast@howstuffworks.com (BrainStuff) no dvd, Marshall Brain, media, storage, HowStuffWorks.com 00:06:08 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 Why shouldn't you go swimming right after a meal? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-18-brainstuff-swim-eat.mp3?awCollectionId=1009&awEpisodeId=922045 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. Mon, 18 Jan 2016 18:19:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-18-brainstuff-swim-eat.mp3 podcast@howstuffworks.com (BrainStuff) no swimming,eating, safety, digestion, Marshall Brain, HowStuffWorks.com 00:05:41 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 What causes that howling sound in PA systems? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-13-brainstuff-feedback.mp3?awCollectionId=1009&awEpisodeId=922046 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.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. Wed, 13 Jan 2016 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-13-brainstuff-feedback.mp3 podcast@howstuffworks.com (BrainStuff) no feedback, Marshall Brain, HowStuffWorks.com 00:04:11 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.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 How does dry ice work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-11-brainstuff-dry-ice.mp3?awCollectionId=1009&awEpisodeId=922047 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, 11 Jan 2016 11:10:57 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-11-brainstuff-dry-ice.mp3 podcast@howstuffworks.com (BrainStuff) no dry ice, science, Marshall Brain, HowStuffWorks.com 00:05:28 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 Is it true that a diesel engine can operate underwater? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-08-brainstuff-waterproof-diesel.mp3?awCollectionId=1009&awEpisodeId=922048 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. Fri, 08 Jan 2016 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-08-brainstuff-waterproof-diesel.mp3 podcast@howstuffworks.com (BrainStuff) no diesel, engines, Marshall Brain, HowStuffWorks.com 00:05:16 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 Where does cork come from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-06-brainstuff-cork.mp3?awCollectionId=1009&awEpisodeId=922049 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, 06 Jan 2016 17:15:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-06-brainstuff-cork.mp3 podcast@howstuffworks.com (BrainStuff) no cork, Marshall Mathers, HowStuffWorks.com 00:05:29 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 What does Pez mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-04-brainstuff-pez.mp3?awCollectionId=1009&awEpisodeId=922050 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. Mon, 04 Jan 2016 17:06:45 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-04-brainstuff-pez.mp3 podcast@howstuffworks.com (BrainStuff) no Pex, HowStuffWorks.com, Marshall Brain 00:05:11 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 How do we measure sea level? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2016-01-01-brainstuff-sea-level-audible.mp3?awCollectionId=1009&awEpisodeId=922051 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. Fri, 01 Jan 2016 10:00:30 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2016-01-01-brainstuff-sea-level-audible.mp3 podcast@howstuffworks.com (BrainStuff) no sea level, Marshall Brain, Brainstuff, HowStuffWorks.com 00:06:03 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. HowStuffWorks Is the sound on vinyl records better than on CDs? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-30-brainstuff-cd-vs-vinyl.mp3?awCollectionId=1009&awEpisodeId=922052 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. Wed, 30 Dec 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-30-brainstuff-cd-vs-vinyl.mp3 podcast@howstuffworks.com (BrainStuff) no CDs, vinyl, records, recording, audiophiles, Marshall Brain, music, HowStuffWorks.com 00:05:28 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 How does high-speed rail work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-28-brainstuff-high-speed-rail.mp3?awCollectionId=1009&awEpisodeId=922053 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. Mon, 28 Dec 2015 12:30:49 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-28-brainstuff-high-speed-rail.mp3 podcast@howstuffworks.com (BrainStuff) no high-speed rail, locomotives, transit, transportation, commuting, city planning, Marshall Brain, HowStuffWorks.com 00:07:55 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 How does a traffic light detect cars? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-25-brainstuff-traffic-light.mp3?awCollectionId=1009&awEpisodeId=922054 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. Fri, 25 Dec 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-25-brainstuff-traffic-light.mp3 podcast@howstuffworks.com (BrainStuff) no traffic lights, sensors, HowStuffWorks.com, Marshall Brain 00:05:23 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 How can turbines change our energy future? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-23-brainstuff-future-turbine.mp3?awCollectionId=1009&awEpisodeId=922055 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. Wed, 23 Dec 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-23-brainstuff-future-turbine.mp3 podcast@howstuffworks.com (BrainStuff) no turbines, wind energy, Marshall Brain, HowStuffWorks.com 00:04:15 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 How do self-winding watches work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-21-brainstuff-self-winding-watch.mp3?awCollectionId=1009&awEpisodeId=922056 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, 21 Dec 2015 15:43:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-21-brainstuff-self-winding-watch.mp3 podcast@howstuffworks.com (BrainStuff) no watches, mechanics, gears, electronics, clockwork, HowStuffWorks.com 00:03:51 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 How does catnip work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-18-brainstuff-catnip.mp3?awCollectionId=1009&awEpisodeId=922057 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. Fri, 18 Dec 2015 15:40:21 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-18-brainstuff-catnip.mp3 podcast@howstuffworks.com (BrainStuff) no catnip, Marshall Brain, HowStuffWorks.com 00:04:21 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 Why do freezing temperatures yield both snow and rain? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-16-brainstuff-freezing-rain.mp3?awCollectionId=1009&awEpisodeId=922058 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. Wed, 16 Dec 2015 15:29:58 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-21-brainstuff-freezing-rain.mp3 podcast@howstuffworks.com (BrainStuff) no temperature, freezing rain, HowStuffWorks.com, Marshall Brain, 00:04:20 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 How do they make fortune cookies? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-14-brainstuff-fortune-cookies.mp3?awCollectionId=1009&awEpisodeId=922059 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. Mon, 14 Dec 2015 15:25:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-14-brainstuff-fortune-cookies.mp3 podcast@howstuffworks.com (BrainStuff) no fortune cookies, manufacturing, Chinese food, cooking, Marshall Brain, HowStuffWorks.com 00:04:22 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 How does a jet engine's afterburner work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-11-brainstuff-afterburner.mp3?awCollectionId=1009&awEpisodeId=922060 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. Fri, 11 Dec 2015 15:21:37 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-11-brainstuff-afterburner.mp3 podcast@howstuffworks.com (BrainStuff) no jets, afterburner, HowStuffWorks.com 00:04:35 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 How does a magneto work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-09-brainstuff-magneto.mp3?awCollectionId=1009&awEpisodeId=922061 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. Wed, 09 Dec 2015 15:17:33 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-09-brainstuff-magneto.mp3 podcast@howstuffworks.com (BrainStuff) no magneto, electrical generators, Brainstuff, HowStuffWorks.com 00:05:50 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 What is leather and where does it come from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-07-brainstuff-leather.mp3?awCollectionId=1009&awEpisodeId=922062 Most leather is made from processed cattle skin, although synthetic and other varieties exist. Learn more about leather in this episode of BrainStuff. Mon, 07 Dec 2015 16:07:22 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-07-brainstuff-leather.mp3 podcast@howstuffworks.com (BrainStuff) no leather, Marshall Brain, HowStuffWorks.com 00:07:24 Most leather is made from processed cattle skin, although synthetic and other varieties exist. Learn more about leather in this episode of BrainStuff. HowStuffWorks Is there any way to see satellites that are in orbit? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-04-brainstuff-see-satellite.mp3?awCollectionId=1009&awEpisodeId=922063 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. Fri, 04 Dec 2015 16:02:14 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-04-brainstuff-see-satellite.mp3 podcast@howstuffworks.com (BrainStuff) no satellites, Marshall Brain, HowStuffWorks.com 00:03:51 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 How Sonic Booms Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-02-brainstuff-sonic-boom.mp3?awCollectionId=1009&awEpisodeId=922064 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. Wed, 02 Dec 2015 13:40:37 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-02-brainstuff-sonic-boom.mp3 podcast@howstuffworks.com (BrainStuff) no sonic booms, Marshall Brain, HowStuffWork.com 00:04:26 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 How do self-setting clocks work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-30-brainstuff-self-setting-clocks.mp3?awCollectionId=1009&awEpisodeId=922065 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. Mon, 30 Nov 2015 13:13:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-30-brainstuff-self-setting-clocks.mp3 podcast@howstuffworks.com (BrainStuff) no clocks, atomic clock, Marshall Brain, HowStuffWorks.com 00:05:15 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 What are dissolvable stitches? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-27-brainstuff-dissolvable-stitches.mp3?awCollectionId=1009&awEpisodeId=922066 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. Fri, 27 Nov 2015 12:38:04 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-27-brainstuff-dissolvable-stitches.mp3 podcast@howstuffworks.com (BrainStuff) no stitches, Marshall Brain, medical technology, HowStuffWorks.com 00:05:17 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 What would happen if you fired a gun on a moving train? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-25-brainstuff-gun-from-train.mp3?awCollectionId=1009&awEpisodeId=922067 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. Wed, 25 Nov 2015 12:26:39 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-25-brainstuff-gun-from-train.mp3 podcast@howstuffworks.com (BrainStuff) no gun, moving train, Marshall Brain, HowStuffWorks.com 00:05:44 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 What is sodium nitrate? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-23-brainstuff-sodium-nitrate.mp3?awCollectionId=1009&awEpisodeId=922068 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. Mon, 23 Nov 2015 11:08:10 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-23-brainstuff-sodium-nitrate.mp3 podcast@howstuffworks.com (BrainStuff) no sodium nitrate, meat, nutrition, health, Marshall Brain, HowStuffWorks.com 00:04:22 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. HowStuffWorks How do cavities work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-18-brainstuff-cavities.mp3?awCollectionId=1009&awEpisodeId=922069 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. Wed, 18 Nov 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-18-brainstuff-cavities.mp3 podcast@howstuffworks.com (BrainStuff) no cavities, Marshall Brain, dentistry, HowStuffWorks.com 00:03:46 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 How does Krispy Kreme work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-16-brainstuff-krispy-kreme.mp3?awCollectionId=1009&awEpisodeId=922070 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. Mon, 16 Nov 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-16-brainstuff-krispy-kreme.mp3 podcast@howstuffworks.com (BrainStuff) no doughnuts, Krispy Kreme, HowStuffWorks.com, Marshall Brain 00:03:32 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 Why use a humidifier in your home in the winter? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-13-brainstuff-humidifiers.mp3?awCollectionId=1009&awEpisodeId=922071 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, 13 Nov 2015 14:06:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-13-brainstuff-humidifiers.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks.com, humidifiers 00:05:46 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 How do I burn calories on a stair machine? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-11-brainstuff-stair-machine.mp3?awCollectionId=1009&awEpisodeId=922072 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. Wed, 11 Nov 2015 14:03:46 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-11-brainstuff-stair-machine.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks.com 00:04:58 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 How does a Dippy Bird work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-09-brainstuff-dippy-bird.mp3?awCollectionId=1009&awEpisodeId=922073 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, 09 Nov 2015 13:36:41 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-09-brainstuff-dippy-bird.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks.com, Dippy Bird 00:05:58 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 How Marshmallows Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-06-brainstuff-marshmallow.mp3?awCollectionId=1009&awEpisodeId=922074 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. Fri, 06 Nov 2015 14:19:11 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-06-brainstuff-marshmallow.mp3 podcast@howstuffworks.com (BrainStuff) no Marshmallow, candy, cooking, Marshall Brain, HowStuffWorks.com 00:03:34 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 How do honeybees make honey? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-04-brainstuff-honey.mp3?awCollectionId=1009&awEpisodeId=922075 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. Wed, 04 Nov 2015 14:17:36 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-04-brainstuff-honey.mp3 podcast@howstuffworks.com (BrainStuff) no honey, bees, farming, beekeeping, Marshall Brain, HowStuffWorks.com 00:03:55 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 How can some eggs be better for you than others? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-11-02-brainstuff-special-eggs.mp3?awCollectionId=1009&awEpisodeId=922076 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. Mon, 02 Nov 2015 14:15:45 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-11-02-brainstuff-special-eggs.mp3 podcast@howstuffworks.com (BrainStuff) no eggs, farming, Marshall Brain, HowStuffWorks.com 00:04:17 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 How do airport scanners work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-30-brainstuff-tsa-scanners.mp3?awCollectionId=1009&awEpisodeId=922077 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, 30 Oct 2015 14:08:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-30-brainstuff-tsa-scanners.mp3 podcast@howstuffworks.com (BrainStuff) no tsa, airport security, Marshall Brian, HowStuffWorks.com 00:10:15 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 How can you drive across Antarctica? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-28-brainstuff-antarctic-expedition.mp3?awCollectionId=1009&awEpisodeId=922078 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, 28 Oct 2015 13:08:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-28-brainstuff-antarctic-expedition.mp3 podcast@howstuffworks.com (BrainStuff) no Antarctica, Marshall Brain, travel, HowStuffWorks.com 00:05:54 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 What is the difference between a turbo-charger and a super-charger? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-26-brainstuff-turbo-super.mp3?awCollectionId=1009&awEpisodeId=922079 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. Mon, 26 Oct 2015 11:05:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-26-brainstuff-turbo-super.mp3 podcast@howstuffworks.com (BrainStuff) no turbo charger, super charger, auto racing, HowStuffWorks.com 00:04:14 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 How Rearview Mirrors Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-23-brainstuff-rearview-mirror.mp3?awCollectionId=1009&awEpisodeId=922080 How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. Fri, 23 Oct 2015 10:56:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-23-brainstuff-rearview-mirror.mp3 podcast@howstuffworks.com (BrainStuff) no rearview mirrors, Marshall Brain, HowStuffWorks.com 00:03:34 How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. HowStuffWorks Will a really big earthquake sink Western California? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-21-brainstuff-fault-lines.mp3?awCollectionId=1009&awEpisodeId=922081 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, 21 Oct 2015 13:00:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-21-brainstuff-fault-lines.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks.com, fault lines 00:08:25 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 How do astronomers measure distance? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-19-brainstuff-distance-to-star.mp3?awCollectionId=1009&awEpisodeId=922082 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. Mon, 19 Oct 2015 12:08:01 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-19-brainstuff-distance-to-star.mp3 podcast@howstuffworks.com (BrainStuff) no Brainstuff, Marshall Brain, HowStuffWorks.com 00:04:16 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 What will airplanes look like in 2025? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-16-brainstuff-airplanes-2025.mp3?awCollectionId=1009&awEpisodeId=922083 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. Fri, 16 Oct 2015 20:52:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-16-brainstuff-airplanes-2025.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks.com 00:07:28 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 How is olive oil made? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-14-brainstuff-olive-oil.mp3?awCollectionId=1009&awEpisodeId=922084 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, 14 Oct 2015 11:03:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-14-brainstuff-olive-oil.mp3 podcast@howstuffworks.com (BrainStuff) no olive oil, cooking, Marshall Brain, HowStuffWorks.com 00:09:39 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 Why do 3D movies cause headaches? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-12-brainstuff-3d-headache.mp3?awCollectionId=1009&awEpisodeId=922085 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, 12 Oct 2015 10:29:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-12-brainstuff-3d-headache.mp3 podcast@howstuffworks.com (BrainStuff) no 3d movies, HowStuffWorks.com, Marshall Brain 00:06:02 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 How Helium Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-09-brainstuff-helium.mp3?awCollectionId=1009&awEpisodeId=922086 The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. Fri, 09 Oct 2015 11:05:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-09-brainstuff-helium.mp3 podcast@howstuffworks.com (BrainStuff) no helium, Marshall Brain, HowStuffWorks.com 00:03:28 The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. HowStuffWorks How Subprime Loans Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-07-brainstuff-subprime.mp3?awCollectionId=1009&awEpisodeId=922087 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. Wed, 07 Oct 2015 11:02:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-07-brainstuff-subprime.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brian, Subprime Loans, HowStuffWorks.com 00:03:39 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 How Night Vision Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-05-brainstuff-night-vision.mp3?awCollectionId=1009&awEpisodeId=922088 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. Mon, 05 Oct 2015 10:58:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-05-brainstuff-night-vision.mp3 podcast@howstuffworks.com (BrainStuff) no night vision, Marshall Brain, HowStuffWorks.com 00:04:46 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 How Baking Powder Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-10-02-brainstuff-baking-powder.mp3?awCollectionId=1009&awEpisodeId=922089 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. Fri, 02 Oct 2015 17:46:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-10-02-brainstuff-baking-powder.mp3 podcast@howstuffworks.com (BrainStuff) no baking powder, Marshall Brain, HowStuffWorks.com 00:04:57 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 How Atomic Clocks Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-30-brainstuff-atomic-clock.mp3?awCollectionId=1009&awEpisodeId=922090 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. Wed, 30 Sep 2015 17:12:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-30-brainstuff-atomic-clock.mp3 podcast@howstuffworks.com (BrainStuff) no Atomic Clock, Marshall Brain, HowStuffWorks.com 00:04:35 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 How Air Force One Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-28-brainstuff-air-force-one.mp3?awCollectionId=1009&awEpisodeId=922091 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, 28 Sep 2015 10:34:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-28-brainstuff-air-force-one.mp3 podcast@howstuffworks.com (BrainStuff) no Air Force One, HowStuffWorks.com, HowStuffWorks.com 00:03:49 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 What causes the smell after rain? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-11-brainstuff-rain-smell.mp3?awCollectionId=1009&awEpisodeId=922095 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, 11 Sep 2015 10:40:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-11-brainstuff-rain-smell.mp3 podcast@howstuffworks.com (BrainStuff) no rain, ozone, Marshall Brain, HowStuffworks.com 00:05:54 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 How do Pop Rocks candy work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-09-brainstuff-pop-rocks.mp3?awCollectionId=1009&awEpisodeId=922096 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. Wed, 09 Sep 2015 10:31:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-09-brainstuff-pop-rocks.mp3 podcast@howstuffworks.com (BrainStuff) no pop rocks, candy, chemical reactions, Marshall Brain, HowStuffWorks.com 00:04:00 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 Can I see the stuff astronauts left on the moon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-07-brainstuff-moon-telescope.mp3?awCollectionId=1009&awEpisodeId=922097 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. Mon, 07 Sep 2015 13:17:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-07-brainstuff-moon-telescope.mp3 podcast@howstuffworks.com (BrainStuff) no telescopes, NASA, moon. lunar expeditions, Marshall Brain, HowStuffWorks.com 00:03:39 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 How Golf Ball Dimples Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-04-brainstuff-golf-ball-dimples_1-2.mp3?awCollectionId=1009&awEpisodeId=922098 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. Fri, 04 Sep 2015 16:20:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-04-brainstuff-golf-ball-dimples_1-2.mp3 podcast@howstuffworks.com (BrainStuff) no golf balls, Marshall Brain, HowStuffWorks.com 00:04:22 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 How the Dow Jones Industrial Average Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-02-brainstuff-dow-jones.mp3?awCollectionId=1009&awEpisodeId=922099 The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market. Wed, 02 Sep 2015 15:14:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-02-brainstuff-dow-jones.mp3 podcast@howstuffworks.com (BrainStuff) no stocks, stock market, Dow Jones Industrial Average, investment, HowStuffWorks.com 00:03:52 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 How does the snow dragon eat and digest snow? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-28-brainstuff-snow-dragon-eat-snow.mp3?awCollectionId=1009&awEpisodeId=922101 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, 28 Aug 2015 09:57:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-28-brainstuff-snow-dragon-eat-snow.mp3 podcast@howstuffworks.com (BrainStuff) no snow dragon, machinery, snow, melting, HowStuffWorks.com, Marshall Brain 00:06:53 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 Can nasal sprays be addictive? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-26-brainstuff-nasal-sprays.mp3?awCollectionId=1009&awEpisodeId=922102 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, 26 Aug 2015 17:52:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-26-brainstuff-nasal-sprays.mp3 podcast@howstuffworks.com (BrainStuff) no nasal spray, addiction, medication, insufflation, Marshall Brain, HowStuffWorks.com 00:05:51 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 What is Schadenfreude? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-24-brainstuff-schadenfreude.mp3?awCollectionId=1009&awEpisodeId=922103 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. Mon, 24 Aug 2015 11:21:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-24-brainstuff-schadenfreude.mp3 podcast@howstuffworks.com (BrainStuff) no German, sadism, Schadenfreude, Marshall Brain, HowStuffWorks.com 00:05:37 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 How many balloons would it take to life someone off the ground? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-21-brainstuff-lift-with-balloons.mp3?awCollectionId=1009&awEpisodeId=922104 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. Fri, 21 Aug 2015 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-21-brainstuff-lift-with-balloons.mp3 podcast@howstuffworks.com (BrainStuff) no balloons, lift, gravity, helium, Marshall Brain, HowStuffWorks.com 00:03:42 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 What's the difference between LPG or natural gas? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-19-brainstuff-lpg-vs-ng.mp3?awCollectionId=1009&awEpisodeId=922105 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. Wed, 19 Aug 2015 09:18:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-19-brainstuff-lpg-vs-ng.mp3 podcast@howstuffworks.com (BrainStuff) no liquefied natural gas, fuel, petroleum, Marshall Brain, HowStuffWorks.com 00:04:27 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 How can you figure out how far away lightning struck? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-17-brainstuff-lightning-distance.mp3?awCollectionId=1009&awEpisodeId=922106 Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. Mon, 17 Aug 2015 12:05:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-17-brainstuff-lightning-distance.mp3 podcast@howstuffworks.com (BrainStuff) no lightning, Marshall Brain, HowStuffWorks.com 00:03:38 Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. HowStuffWorks How do bake and broil settings differ? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-14-brainstuff-bake-v-broil.mp3?awCollectionId=1009&awEpisodeId=922107 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. Fri, 14 Aug 2015 09:01:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-14-brainstuff-bake-v-broil.mp3 podcast@howstuffworks.com (BrainStuff) no bake, broil, cooking, kitchen gadgets, HowStuffWorks.com, Marshall Brain 00:05:12 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 How do astronauts function in their spacesuits? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-12-brainstuff-spacesuit-eating.mp3?awCollectionId=1009&awEpisodeId=922108 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, 12 Aug 2015 10:40:13 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-12-brainstuff-spacesuit-eating.mp3 podcast@howstuffworks.com (BrainStuff) no astronauts, space suits, gravity, pressure, space travel, NASA, Marshall Brain, HowStuffWorks.com 00:04:27 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 How do a zebra's stripes act as camouflage? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-10-brainstuff-zebra-stripes.mp3?awCollectionId=1009&awEpisodeId=922109 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. Mon, 10 Aug 2015 17:04:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-10-brainstuff-zebra-stripes.mp3 podcast@howstuffworks.com (BrainStuff) no zebras, animal camouflage, adaptations, HowStuffWorks.com 00:05:33 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 To maximize happiness, what should you spend money on? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-07-brainstuff-buying-happiness.mp3?awCollectionId=1009&awEpisodeId=922110 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, 07 Aug 2015 13:28:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-07-brainstuff-buying-happiness.mp3 podcast@howstuffworks.com (BrainStuff) no happiness, money, budgeting, Marshall Brain, HowStuffWorks.com 00:06:45 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 What is a vactrain? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-05-brainstuff-vactrain.mp3?awCollectionId=1009&awEpisodeId=922111 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, 05 Aug 2015 12:23:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-05-brainstuff-vactrain.mp3 podcast@howstuffworks.com (BrainStuff) no transportation, technology, vactrain, Marshall Brain, HowStuffWorks.com 00:07:10 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 How does asphalt work, and where does it come from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-08-03-15-brainstuff-asphalt.mp3?awCollectionId=1009&awEpisodeId=922112 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, 03 Aug 2015 16:20:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-08-03-15-brainstuff-asphalt.mp3 podcast@howstuffworks.com (BrainStuff) no asphalt, construction, oil, petroleum, construction, Marshall Brain, HowStuffWorks.com 00:06:51 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 How does red eye in photographs work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-31-brainstuff-red-eye.mp3?awCollectionId=1009&awEpisodeId=922113 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. Fri, 31 Jul 2015 10:48:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-31-brainstuff-red-eye.mp3 podcast@howstuffworks.com (BrainStuff) no red eye, photography, Marshall Brain, HowStuffWorks.com 00:04:24 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 How Do Submarines Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-29-brainstuff-submarine.mp3?awCollectionId=1009&awEpisodeId=922114 Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. Wed, 29 Jul 2015 16:03:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-29-brainstuff-submarine.mp3 podcast@howstuffworks.com (BrainStuff) no submarines, HowStuffWorks.com, Marshall Brain 00:03:13 Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. HowStuffWorks How Starting A Car in Cold Weather Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-27-brainstuff-cold-engine.mp3?awCollectionId=1009&awEpisodeId=922115 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. Mon, 27 Jul 2015 11:04:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-27-brainstuff-cold-engine.mp3 podcast@howstuffworks.com (BrainStuff) no cold start, car battery, car starter, HowStuffWorks.com, Marshall Brain, HowStuffWorks.com 00:04:27 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 How hair length works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-24-brainstuff-hair-length.mp3?awCollectionId=1009&awEpisodeId=922116 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. Fri, 24 Jul 2015 15:09:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-24-brainstuff-hair-length.mp3 podcast@howstuffworks.com (BrainStuff) no hair length, hair follicles, skin cells, Marshall Brain, HowStuffWorks.com 00:04:03 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 How are old black and white movies colorized? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-22-brainstuff-colorize2.mp3?awCollectionId=1009&awEpisodeId=922117 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. Wed, 22 Jul 2015 16:03:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-22-brainstuff-colorize2.mp3 podcast@howstuffworks.com (BrainStuff) no black and white movies, colorization, post production, HowStuffWorks.com, Marshall Brain 00:03:54 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 Why doesn't paper money disintegrate in the washing machine? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-20-brainstuff-paper-money.mp3?awCollectionId=1009&awEpisodeId=922118 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, 20 Jul 2015 15:58:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-20-brainstuff-paper-money.mp3 podcast@howstuffworks.com (BrainStuff) no money, water, currency, disintegration, washing machine, HowStuffWorks.com, Marshall Brain 00:03:42 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 What would happen on a carousel moving at the speed of light? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-17-brainstuff-light-carosel.mp3?awCollectionId=1009&awEpisodeId=922119 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. Fri, 17 Jul 2015 15:55:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-17-brainstuff-light-carosel.mp3 podcast@howstuffworks.com (BrainStuff) no light speed, carousel, Marshall Brain, HowStuffWorks.com 00:04:45 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 How can I make artificial snow in my backyard? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-15-brainstuff-backyard-snow.mp3?awCollectionId=1009&awEpisodeId=922121 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, 15 Jul 2015 15:43:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-15-brainstuff-backyard-snow.mp3 podcast@howstuffworks.com (BrainStuff) no snow, artificial snow, ski resorts, fake snow, Marshall Brain, HowStuffWorks.com 00:05:09 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 How is wire measured? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-13-brainstuff-wire-diameter.mp3?awCollectionId=1009&awEpisodeId=922120 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. Mon, 13 Jul 2015 15:49:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-13-brainstuff-wire-diameter.mp3 podcast@howstuffworks.com (BrainStuff) no wire, measurement, diameter, HowStuffWorks.com, Marshall Brain 00:03:39 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 Can water go bad? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-10-brainstuff-bad-water.mp3?awCollectionId=1009&awEpisodeId=922122 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. Fri, 10 Jul 2015 15:41:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-10-brainstuff-bad-water.mp3 podcast@howstuffworks.com (BrainStuff) no water, spoilage, Marshall Brain, HowStuffWorks.com 00:03:57 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 What do the ul marks on so many products mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-08-brainstuff-ul-mark.mp3?awCollectionId=1009&awEpisodeId=922123 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. Wed, 08 Jul 2015 15:37:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-08-brainstuff-ul-mark.mp3 podcast@howstuffworks.com (BrainStuff) no ul marks, manufacturing, underwriter laboratories, safety testing, Marshall Brain, HowStuffWorks.com 00:03:26 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 What's the total amount of gold in the world? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-06-brainstuff-amount-of-gold.mp3?awCollectionId=1009&awEpisodeId=922124 Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. Mon, 06 Jul 2015 15:35:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-06-brainstuff-amount-of-gold.mp3 podcast@howstuffworks.com (BrainStuff) no gold, platinum, reserves, wealth, precious metals, Marshall Brain, HowStuffWorks.com 00:05:32 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 How do candles work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-03-brainstuff-candle.mp3?awCollectionId=1009&awEpisodeId=922125 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, 03 Jul 2015 15:24:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-03-brainstuff-candle.mp3 podcast@howstuffworks.com (BrainStuff) no candles, light sources, technology, Marshall Brain, HowStuffWorks.com 00:04:41 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 What are frankincense and myrrh? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-07-01-brainstuff-frankincense-and-myrrh.mp3?awCollectionId=1009&awEpisodeId=922126 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, 01 Jul 2015 15:40:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-07-01-brainstuff-frankincense-and-myrrh.mp3 podcast@howstuffworks.com (BrainStuff) no frankincense, myrrh, spices, HowStuffWorks.com, Marshall Brain 00:03:33 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 How can an electric toothbrush recharge its batteries? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-29-brainstuff-toothbrush.mp3?awCollectionId=1009&awEpisodeId=922127 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. Mon, 29 Jun 2015 15:35:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-29-brainstuff-toothbrush.mp3 podcast@howstuffworks.com (BrainStuff) no batteries, appliances, Marshall Brain, battery charging, HowStuffWorks.com 00:03:47 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 How Smoke Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-26-brainstuff-smoke_1-2.mp3?awCollectionId=1009&awEpisodeId=922128 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. Fri, 26 Jun 2015 13:54:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-26-brainstuff-smoke_1-2.mp3 podcast@howstuffworks.com (BrainStuff) no smoke, fire, combustion, carbon monoxide, organic carbon, Marshall Brain 00:04:52 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 How X-Ray Machines Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-24-brainstuff-x-rays.mp3?awCollectionId=1009&awEpisodeId=922129 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. Wed, 24 Jun 2015 17:07:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-24-brainstuff-x-rays.mp3 podcast@howstuffworks.com (BrainStuff) no x-ray, medical technology, x-ray cameras, visible light, spectrum, Marshall Brain, HowStuffWorks.com 00:03:09 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 How Boogers and Mucuous Membranes Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-22-brainstuff-boogers.mp3?awCollectionId=1009&awEpisodeId=922130 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. Mon, 22 Jun 2015 16:59:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-22-brainstuff-boogers.mp3 podcast@howstuffworks.com (BrainStuff) no mucus, science, biology, boogers, mucin, Marshall Brain, HowStuffWorks.com 00:03:27 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 Can we make gasoline from bacteria? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-19-brainstuff-joule-unlimited.mp3?awCollectionId=1009&awEpisodeId=922131 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? Fri, 19 Jun 2015 17:25:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-19-brainstuff-joule-unlimited.mp3 podcast@howstuffworks.com (BrainStuff) no carbon emissions, pollution, low emissions,, oil, oil dependency, oil spills, fossil fuels, Marshall Brain 00:08:05 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 What is the difference between good and bad toy helicopters? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-15-brainstuff-toy-helicopters.mp3?awCollectionId=1009&awEpisodeId=922132 Can you buy a good, long-lasting toy helicopter for under $30? Mon, 15 Jun 2015 17:05:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-15-brainstuff-toy-helicopters.mp3 podcast@howstuffworks.com (BrainStuff) no toys, toy helicopters, technology, Marshall Brain, HowStuffWorks.com 00:09:01 Can you buy a good, long-lasting toy helicopter for under $30? HowStuffWorks Why do human beings have eyebrows? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-10-brainstuff-eyebrows.mp3?awCollectionId=1009&awEpisodeId=922133 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. Wed, 10 Jun 2015 15:35:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-10-brainstuff-eyebrows.mp3 podcast@howstuffworks.com (BrainStuff) no eyebrows, facial hair, features, nonverbal communication, expressions, facial expressions, Marshall Brain, HowStuffWorks.com 00:04:27 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 Where do salad dressings get their bizarre names? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-08-brainstuff-salad-dressing.mp3?awCollectionId=1009&awEpisodeId=922134 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. Mon, 08 Jun 2015 15:33:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-08-brainstuff-salad-dressing.mp3 podcast@howstuffworks.com (BrainStuff) no salad dressing, names, food, condiments, Marshall Brain, HowStuffWorks.com 00:06:20 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 How Botulism Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-05-brainstuff-botulism.mp3?awCollectionId=1009&awEpisodeId=922135 Botulism bacteria creates a type of poisoning and paralysis -- but how does it actually work? Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. Fri, 05 Jun 2015 15:28:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-05-brainstuff-botulism.mp3 podcast@howstuffworks.com (BrainStuff) no botulism, food poisoning, food-borne illness, poisoning, paralysis, Marshall Brain, HowStuffWorks.com 00:04:21 Botulism bacteria creates a type of poisoning and paralysis -- but how does it actually work? Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. HowStuffWorks How Diaper Crystals Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-03-brainstuff-diaper-crystals.mp3?awCollectionId=1009&awEpisodeId=922136 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. Wed, 03 Jun 2015 17:28:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-03-brainstuff-diaper-crystals.mp3 podcast@howstuffworks.com (BrainStuff) no disposable diapers, moisture absorption, absorptive materials, crystals, sodium polyacrylate, polymers, material science, manufacturing, Marshall Brain, HowStuffWorks.com 00:03:34 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 How V-chips Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-06-01-brainstuff-vchip.mp3?awCollectionId=1009&awEpisodeId=922137 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 Mon, 01 Jun 2015 17:25:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-06-01-brainstuff-vchip.mp3 podcast@howstuffworks.com (BrainStuff) no v-chips, television, censorship, HowStuffWorks.com, Marshall Brain 00:04:22 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 How do aircraft carriers work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-29-brainstuff-aircraft-carrier.mp3?awCollectionId=1009&awEpisodeId=922138 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. Fri, 29 May 2015 16:37:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-29-brainstuff-aircraft-carrier.mp3 podcast@howstuffworks.com (BrainStuff) no aircraft carriers, ships, vessels, military equipment, Marshall Brain, HowStuffWorks.com, 00:03:32 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. HowStuffWorks How does an upside down airplane's engine get fuel? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-27-brainstuff-upside-down-airplane.mp3?awCollectionId=1009&awEpisodeId=922139 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. Wed, 27 May 2015 17:10:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-27-brainstuff-upside-down-airplane.mp3 podcast@howstuffworks.com (BrainStuff) no airplanes, fuel, upside down flying, gravity, engines, aeronautics, Marshall Brain, HowStuffWorks.com 00:03:46 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 What is a decibel, and how is it measured? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-22-brainstuff-decibles.mp3?awCollectionId=1009&awEpisodeId=922140 The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale. Fri, 22 May 2015 12:14:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-22-brainstuff-decibles.mp3 podcast@howstuffworks.com (BrainStuff) no decibels, sound, energy, measurement, audio, intensity, Marshall Brain, HowStuffWorks 00:04:34 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 Why do the plugs on some appliances have two prongs and others have three? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-20-brainstuff-three-prong-plug.mp3?awCollectionId=1009&awEpisodeId=922141 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. Wed, 20 May 2015 16:23:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-20-brainstuff-three-prong-plug.mp3 podcast@howstuffworks.com (BrainStuff) no electricity, electric, 120-volt, outlets, electrical outlets, appliances, power, Marshall Brain, HowStuffWorks.com 00:04:54 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 How do sodium acetate heat pads work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-18-brainstuff-sodium-acetate-heat-pad.mp3?awCollectionId=1009&awEpisodeId=922142 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. Mon, 18 May 2015 10:12:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-18-brainstuff-sodium-acetate-heat-pad.mp3 podcast@howstuffworks.com (BrainStuff) no sodium acetate, heating pads, sports medicine, injuries, crystals, Marshall Brain, HowStuffWorks.com 00:04:32 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 How do they create patterns in a baseball field? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-15-brainstuff-patterns-baseball-field.mp3?awCollectionId=1009&awEpisodeId=922143 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, 15 May 2015 10:31:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-15-brainstuff-patterns-baseball-field.mp3 podcast@howstuffworks.com (BrainStuff) no baseball, baseball fields, groundskeeping, horticulture, lawn care, landscaping, Marshall Brain, HowStuffWorks.com 00:04:51 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 How does rust work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-08-brainstuff-rust.mp3?awCollectionId=1009&awEpisodeId=922145 In this episode of BrainStuff, Marshall Brain explains the chemistry behind rust, or iron oxide, and the rusting process. Fri, 08 May 2015 10:56:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-08-brainstuff-rust.mp3 podcast@howstuffworks.com (BrainStuff) no iron oxide, rust, moisture, metal, oxidization, chemistry, chemical reactions, HowStuffWorks.com 00:04:16 In this episode of BrainStuff, Marshall Brain explains the chemistry behind rust, or iron oxide, and the rusting process. HowStuffWorks What exactly is pastrami? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-05-01-brainstuff-pastrami.mp3?awCollectionId=1009&awEpisodeId=922146 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, 01 May 2015 14:51:46 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-05-01-brainstuff-pastrami.mp3 podcast@howstuffworks.com (BrainStuff) no fermentation, meat, curing, pastrami, Marshall Brain, HowStuffWorks.com 00:04:35 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 How do instant cameras work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-24-brainstuff-instant-film-audible.mp3?awCollectionId=1009&awEpisodeId=922147 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. Fri, 24 Apr 2015 14:45:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-24-brainstuff-instant-film-audible.mp3 podcast@howstuffworks.com (BrainStuff) no instant cameras, chemistry, HowStuffWorks.com, Marshall Brain 00:09:57 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 Why do feet stink? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-22-brainstuff-feet-sweat.mp3?awCollectionId=1009&awEpisodeId=922148 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. Wed, 22 Apr 2015 16:30:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-22-brainstuff-feet-sweat.mp3 podcast@howstuffworks.com (BrainStuff) no feet, stinky feet, bacteria, sweat, Marshall Brain, HowStuffWorks.com 00:04:44 What causes stinky, smelly feet? Sweat and bacteria. Find out exactly how bacteria turn sweat into malodorous feet in this episode. HowStuffWorks What do the symbols on the U.S. one-dollar bill mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-20-brainstuff-dollar-bill.mp3?awCollectionId=1009&awEpisodeId=922149 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. Mon, 20 Apr 2015 12:24:04 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-20-brainstuff-dollar-bill.mp3 podcast@howstuffworks.com (BrainStuff) no money, currency, american money, dollar bill, US Treasury, Latin, symbology, Marshall Brain, HowStuffWorks.com 00:06:30 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 How many calories does a person need daily? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-17-brainstuff-calories.mp3?awCollectionId=1009&awEpisodeId=922150 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, 17 Apr 2015 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-17-brainstuff-calories.mp3 podcast@howstuffworks.com (BrainStuff) no calories, health science, calorie counting, caloric intake, caloric needs, fitness, wellness, Marshall Brain, HowStuffWorks.com 00:05:34 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 How do they get the lead in a wooden pencil? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-13-brainstuff-pencil.mp3?awCollectionId=1009&awEpisodeId=922151 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. Mon, 13 Apr 2015 13:27:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-13-brainstuff-pencil.mp3 podcast@howstuffworks.com (BrainStuff) no lead, pencils, school supplies, graphite, manufacturing, Marshall Brain, HowStuffWorks.com, 00:05:41 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 How can a valet rip you off? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-10-brainstuff-valet-scam.mp3?awCollectionId=1009&awEpisodeId=922152 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, 10 Apr 2015 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-10-brainstuff-valet-scam.mp3 podcast@howstuffworks.com (BrainStuff) no valets, car theft, crime, Marshall Brain, HowStuffWorks.com 00:07:24 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 How Proton Therapy Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-08-brainstuff-proton-therapy.mp3?awCollectionId=1009&awEpisodeId=922153 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. Wed, 08 Apr 2015 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-08-brainstuff-proton-therapy.mp3 podcast@howstuffworks.com (BrainStuff) no proton therapy, Marshall Brain, HowStuffWorks.com, science, cancer treatment, medical developments, STEM 00:07:40 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 What is a lightyear? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-03-brainstuff-lightyear.mp3?awCollectionId=1009&awEpisodeId=922154 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. Fri, 03 Apr 2015 09:37:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-03-brainstuff-lightyear.mp3 podcast@howstuffworks.com (BrainStuff) no lightyear, space travel, space exploration, distance, light, measurements, 00:04:46 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 How much oxygen does a person consume in a day? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-04-01-brainstuff-oxygen.mp3?awCollectionId=1009&awEpisodeId=922155 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. Wed, 01 Apr 2015 09:36:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-04-01-brainstuff-oxygen.mp3 podcast@howstuffworks.com (BrainStuff) no oxygen, life science, health, air, breathing, respiratory system, Marshall Brain, HowStuffWork.com 00:03:41 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 How does chlorine bleach work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-27-brainstuff-iodine.mp3?awCollectionId=1009&awEpisodeId=922156 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. Fri, 27 Mar 2015 09:59:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-27-brainstuff-iodine.mp3 podcast@howstuffworks.com (BrainStuff) no bleach, chlorine, chemistry, household cleaning supplies, 00:04:53 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 Why can't we breathe underwater? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-25-brainstuff-water-oxygen.mp3?awCollectionId=1009&awEpisodeId=922157 Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater? Find out in this episode of BrainStuff. Wed, 25 Mar 2015 12:58:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-25-brainstuff-water-oxygen.mp3 podcast@howstuffworks.com (BrainStuff) no water, H2O, hydrogen, oxygen, underwater breathing, rebreathers, SCUBA, Marshall Brain, HowStuffWorks.com 00:05:14 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 What does it mean when a car has dual overhead cams? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-23-brainstuff-dohc.mp3?awCollectionId=1009&awEpisodeId=922158 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, 23 Mar 2015 12:56:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-23-brainstuff-dohc.mp3 podcast@howstuffworks.com (BrainStuff) no automotive technology, camshaft, car parts, engine performance, overhead cams, dual cams, Marshall Brain, HowStuffWorks.com 00:05:04 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 Could anti-lock brakes detect a flat tire? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-20-brainstuff-flat-tire.mp3?awCollectionId=1009&awEpisodeId=922159 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. Fri, 20 Mar 2015 09:20:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-20-brainstuff-flat-tire.mp3 podcast@howstuffworks.com (BrainStuff) no tires, cars, anti-lock brakes, flat tires, automotive safety, Marshall Brain, HowStuffWorks.com 00:04:13 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 Why are traffic lights being replaced with LEDs? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-18-brainstuff-led-traffic-lights.mp3?awCollectionId=1009&awEpisodeId=922160 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, 18 Mar 2015 14:03:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-18-brainstuff-led-traffic-lights.mp3 podcast@howstuffworks.com (BrainStuff) no traffic signals, LEDs, incandescent lights, Marshall Brain, HowStuffWorks.com 00:03:58 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 Why is a circular saw louder than a table saw? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-16-brainstuff-saw-noise.mp3?awCollectionId=1009&awEpisodeId=922161 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. Mon, 16 Mar 2015 16:49:53 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-16-brainstuff-saw-noise.mp3 podcast@howstuffworks.com (BrainStuff) no power tools, circular saws, universal motors, induction motors, home improvement, 00:04:27 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 How does an airplane toilet work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-13-brainstuff-airplane-toilet.mp3?awCollectionId=1009&awEpisodeId=922162 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, 13 Mar 2015 11:39:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-13-brainstuff-airplane-toilet.mp3 podcast@howstuffworks.com (BrainStuff) no airplanes, toilets, plumbing, airplane tech, waste technology, Marshall Brain, HowStuffWorks.com 00:04:19 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 How do cats purr? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-09-brainstuff-cat-purr.mp3?awCollectionId=1009&awEpisodeId=922163 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. Mon, 09 Mar 2015 09:02:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-09-brainstuff-cat-purr.mp3 podcast@howstuffworks.com (BrainStuff) no cats, felines, animals, animal sounds, science, Marshal Brain, HowStuffWorks.com 00:03:48 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 How Flatulence Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-06-brainstuff-flatulence.mp3?awCollectionId=1009&awEpisodeId=922164 Learn about the causes of gas -- and not the kind you put in your car -- in this podcast from Marshall Brain. Fri, 06 Mar 2015 09:58:44 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-06-brainstuff-flatulence.mp3 podcast@howstuffworks.com (BrainStuff) no flatulence, gas, methane, Marshall Brain, HowStuffWorks.com 00:04:32 Learn about the causes of gas -- and not the kind you put in your car -- in this podcast from Marshall Brain. HowStuffWorks What's the deal with milk? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-04-brainstuff-milk.mp3?awCollectionId=1009&awEpisodeId=922165 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, 04 Mar 2015 09:57:07 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-04-brainstuff-milk.mp3 podcast@howstuffworks.com (BrainStuff) no milk, lactose, food, nutrition, Marshall Brain, HowStuffWorks.com 00:05:09 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 How much does planet Earth weigh? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-03-02-brainstuff-earth-weigh.mp3?awCollectionId=1009&awEpisodeId=922166 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. Mon, 02 Mar 2015 13:17:55 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-03-02-brainstuff-earth-weigh.mp3 podcast@howstuffworks.com (BrainStuff) no earth, weight, physics, planets, mass, Marshall Brain, HowStuffWorks.com 00:04:41 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 What are other ways to store energy besides batteries? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-27-brainstuff-storing-energy.mp3?awCollectionId=1009&awEpisodeId=922167 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. Fri, 27 Feb 2015 11:00:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-27-brainstuff-storing-energy.mp3 podcast@howstuffworks.com (BrainStuff) no batteries, energy storage, technology, fuel cells, potential energy, kinetic energy, energy transfer, Marshall Brain, HowStuffWorks.com 00:06:24 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 How does the common cold work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-25-brainstuff-common-cold.mp3?awCollectionId=1009&awEpisodeId=922168 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, 25 Feb 2015 10:57:43 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-25-brainstuff-common-cold.mp3 podcast@howstuffworks.com (BrainStuff) no illness, common cold, coughing, sneezing, runny nose, remedies, cold and flu season, Marshall Brain, HowStuffWorks.com 00:04:28 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 How do dry chemical fire extinguishers work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-23-brainstuff-fire-extinguisher.mp3?awCollectionId=1009&awEpisodeId=922169 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. Mon, 23 Feb 2015 10:55:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-23-brainstuff-fire-extinguisher.mp3 podcast@howstuffworks.com (BrainStuff) no fire extinguishers, chemicals, dry chemical fire extinguishers, Marshall Brain, HowStuffWorks.com 00:05:03 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. HowStuffWorks Where does aluminum come from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-21-brainstuff-aluminum.mp3?awCollectionId=1009&awEpisodeId=922170 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. Fri, 20 Feb 2015 16:00:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-21-brainstuff-aluminum.mp3 podcast@howstuffworks.com (BrainStuff) no aluminum, metals, metallic properties, manufacturing, Marshall Brain, HowStuffWorks.com 00:07:07 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 How do thirty pounds of air in your tires hold up two tons of car? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-16-brainstuff-tire-pressure.mp3?awCollectionId=1009&awEpisodeId=922171 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. Mon, 16 Feb 2015 12:18:09 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-16-brainstuff-tire-pressure.mp3 podcast@howstuffworks.com (BrainStuff) no cars, tire pressure, pressurized tires, air pressure, contact patches, automotive technology, Marshall Brain, HowStuffWorks.com 00:05:08 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 Why don't they use normal air in race car tires? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-13-brainstuff-tire-nitrogen.mp3?awCollectionId=1009&awEpisodeId=922172 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. Fri, 13 Feb 2015 12:16:56 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-13-brainstuff-tire-nitrogen.mp3 podcast@howstuffworks.com (BrainStuff) no race car driving, racing, air pressure, pit stops, race cars, nitrogen, tire pressure, Marshall Brain, HowStuffWorks.com 00:04:34 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 How do plastics work? What is actually in a plastic? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-11-brainstuff-plastics.mp3?awCollectionId=1009&awEpisodeId=922173 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, 11 Feb 2015 12:08:09 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-11-brainstuff-plastics.mp3 podcast@howstuffworks.com (BrainStuff) no plastic, manufacturing, materials, science, chemistry, Marshall Brain, HowStuffWorks.com 00:07:30 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 How does a speedometer in an airplane work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-06-brainstuff-air-speed.mp3?awCollectionId=1009&awEpisodeId=922174 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, 06 Feb 2015 11:27:02 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-06-brainstuff-air-speed.mp3 podcast@howstuffworks.com (BrainStuff) no airplanes, speedometer, air speed, Marshall Brain, HowStuffWorks.com 00:06:02 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 How does CCC, the new form of CPR, work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-04-brainstuff-ccc.mp3?awCollectionId=1009&awEpisodeId=922175 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. Wed, 04 Feb 2015 11:24:20 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-04-brainstuff-ccc.mp3 podcast@howstuffworks.com (BrainStuff) no continuous chest compression, CPR, CCC, first aid, resuscitation, Marshall Brain, HowStuffWorks.co 00:04:34 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 What is the difference between a hardwood and a softwood? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-02-02-brainstuff-hardwood-vs-softwood.mp3?awCollectionId=1009&awEpisodeId=922176 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, 02 Feb 2015 11:19:07 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-02-02-brainstuff-hardwood-vs-softwood.mp3 podcast@howstuffworks.com (BrainStuff) no wood, hardwood, softwood, density, wood processing plants, Marshall Brain, HowStuffWorks.com 00:04:39 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 Why does your computer need a battery? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-30-brainstuff-computer-battery.mp3?awCollectionId=1009&awEpisodeId=922177 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. Fri, 30 Jan 2015 11:12:31 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-30-brainstuff-computer-battery.mp3 podcast@howstuffworks.com (BrainStuff) no computers, batteries, technology, computer clock, Marshall Brain, HowStuffWorks.com 00:04:40 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 How does nitrous oxide help an engine perform better? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-28-brainstuff-nitrous.mp3?awCollectionId=1009&awEpisodeId=922178 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. Wed, 28 Jan 2015 11:10:55 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-28-brainstuff-nitrous.mp3 podcast@howstuffworks.com (BrainStuff) no nitrous oxide, engines, auto racing, Marshall Brain, HowStuffWorks.com 00:04:06 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. HowStuffWorks How does an oxygen canister on an airplane work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-26-brainstuff-oxygen-canister.mp3?awCollectionId=1009&awEpisodeId=922179 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. Mon, 26 Jan 2015 11:04:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-26-brainstuff-oxygen-canister.mp3 podcast@howstuffworks.com (BrainStuff) no oxygen, tanks, airplane, chemicals, chemistry, Marshall Brain, HowStuffWorks.com 00:04:30 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 In baseball, how does a pitcher throw a curveball? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-21-brainstuff-curve-ball.mp3?awCollectionId=1009&awEpisodeId=922180 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, 21 Jan 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-21-brainstuff-curve-ball.mp3 podcast@howstuffworks.com (BrainStuff) no baseball, pitchers, curveballs, pitches, sports, Marshall Brain, HowStuffWorks.com 00:05:00 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 How do retractable roofs in convertible stadiums work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-19-brainstuff-retractable-roof-stadiums.mp3?awCollectionId=1009&awEpisodeId=922181 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, 19 Jan 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-19-brainstuff-retractable-roof-stadiums.mp3 podcast@howstuffworks.com (BrainStuff) no roofs, retractable roofs, stadiums, Marshall Brain, HowStuffWorks.com 00:07:59 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 How do strokes work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-16-brainstuff-stroke.mp3?awCollectionId=1009&awEpisodeId=922182 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. Fri, 16 Jan 2015 09:21:43 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-16-brainstuff-stroke.mp3 podcast@howstuffworks.com (BrainStuff) no strokes, medicine, medical technology, medical science, brain cells, Marshall Brain, HowStuffWorks.com 00:06:43 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 Semi Submarines http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-12-brainstuff-semi-submarine.mp3?awCollectionId=1009&awEpisodeId=922183 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, 12 Jan 2015 16:02:28 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-12-brainstuff-semi-submarine.mp3 podcast@howstuffworks.com (BrainStuff) no submarines, military technology, Marshall Brain, HowStuffWorks.com 00:07:30 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 How do neon and fluorescent lights differ? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-07-brainstuff-neon.mp3?awCollectionId=1009&awEpisodeId=922184 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, 07 Jan 2015 18:17:44 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-07-brainstuff-neon.mp3 podcast@howstuffworks.com (BrainStuff) no neon, fluorescent, light sources, energy, Marshall Brain, HowStuffWorks.com 00:04:35 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 How does a dollar bill changer work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-05-brainstuff-bill-changer.mp3?awCollectionId=1009&awEpisodeId=922185 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. Mon, 05 Jan 2015 18:11:59 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-05-brainstuff-bill-changer.mp3 podcast@howstuffworks.com (BrainStuff) no bill changer, technology, money, Marshall Brain, HowStuffWorks.com 00:04:13 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 What is carrageenan? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-01-02-brainstuff-carrageenan.mp3?awCollectionId=1009&awEpisodeId=922186 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. Fri, 02 Jan 2015 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-01-02-brainstuff-carrageenan.mp3 podcast@howstuffworks.com (BrainStuff) no carrageenan, gum, seaweed, preservatives, transport, manufacturing, Marshall Brain, science, HowStuffWorks.com 00:04:53 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 What's the birthday paradox? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-31-brainstuff-birthday-paradox.mp3?awCollectionId=1009&awEpisodeId=922187 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. Wed, 31 Dec 2014 14:09:05 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-31-brainstuff-birthday-paradox.mp3 podcast@howstuffworks.com (BrainStuff) no birthday paradox, Marshall Brain, HowStuffWorks.com 00:04:03 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 How long before sharks start going extinct? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-12-29-brainstuff-shark.mp3?awCollectionId=1009&awEpisodeId=922188 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. Mon, 29 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-12-29-brainstuff-shark.mp3 podcast@howstuffworks.com (BrainStuff) no sharks, extinction, aquatic life, endangered species, Marshall Brain, HowStuffworks.com 00:05:27 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 How Replacing Toilets Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-24-brainstuff-replace-toilets.mp3?awCollectionId=1009&awEpisodeId=922189 A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons 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. Wed, 24 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-24-brainstuff-replace-toilets.mp3 podcast@howstuffworks.com (BrainStuff) no plumbing, DIY, home construction, home repair, toilets, low flow toilets, 00:03:43 A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons 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 Why are my power bills so high? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-22-brainstuff-power.mp3?awCollectionId=1009&awEpisodeId=922190 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. Mon, 22 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-22-brainstuff-power.mp3 podcast@howstuffworks.com (BrainStuff) no power bills, energy cost, electric bill, appliances, Marshall Brain, HowStuffWorks.com 00:04:57 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 Is there a way to compare a human being to an engine? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-17-brainstuff-human-efficiency.mp3?awCollectionId=1009&awEpisodeId=922191 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. Wed, 17 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-17-brainstuff-human-efficiency.mp3 podcast@howstuffworks.com (BrainStuff) no muscles, engines, biological engines, human efficiency, Marshall Brain, HowStuffWorks.com 00:04:38 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 How High-level Nuclear Waste Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-12-brainstuff-high-level-nuclear-waste.mp3?awCollectionId=1009&awEpisodeId=922192 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. Fri, 12 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-12-brainstuff-high-level-nuclear-waste.mp3 podcast@howstuffworks.com (BrainStuff) no nuclear waste, waste repositories, high level nuclear waste, nuclear power, nuclear reactors, Marshall Brain, HowStuffWorks.com 00:07:01 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 How does fusion power work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-10-brainstuff-fusion-power.mp3?awCollectionId=1009&awEpisodeId=922193 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. Wed, 10 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-10-brainstuff-fusion-power.mp3 podcast@howstuffworks.com (BrainStuff) no fusion power, fusion, reactors, nuclear reactors, chemistry, science, renewable energy, Marshall Brain, HowStuffWorks.com 00:07:29 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 How does Nitroglycerin work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-08-brainstuff-nitro.mp3?awCollectionId=1009&awEpisodeId=922194 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. Mon, 08 Dec 2014 14:27:04 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-08-brainstuff-nitro.mp3 podcast@howstuffworks.com (BrainStuff) no nitroglycerin, explosives, TNT, dynamite, chemical stability, chemistry, Marshall Brain, HowStuffWorks.com 00:04:32 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 What is chewing gum made of? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-05-brainstuff-gum.mp3?awCollectionId=1009&awEpisodeId=922195 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. Fri, 05 Dec 2014 16:48:55 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-05-brainstuff-gum.mp3 podcast@howstuffworks.com (BrainStuff) no gum, chewing gum, bubble gum, food science, chicle, Marshall Brian, HowStuffWorks.com 00:03:47 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 Why can't a couch potato run a marathon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-12-03-brainstuff-athletes.mp3?awCollectionId=1009&awEpisodeId=922196 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. Wed, 03 Dec 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-12-03-brainstuff-athletes.mp3 podcast@howstuffworks.com (BrainStuff) no http://www.podtrac.com/pts/redirect.mp3/podcasts.howstuffworks.com/hsw/podcasts/carstuff/2013-04-02-carstuff-famous-last-laps-part-1.mp3 00:06:05 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 How do polymer crystals work, and why do they absorb so much water? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-28-brainstuff-polymer-crystals.mp3?awCollectionId=1009&awEpisodeId=922197 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, 28 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-28-brainstuff-polymer-crystals.mp3 podcast@howstuffworks.com (BrainStuff) no polymer-crystals, water absorption, disposable diapers, science, chemistry, Marshall Brain, HowStuffWorks.com 00:04:33 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 How do people pull large objects with their teeth? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-26-brainstuff-teeth-pull.mp3?awCollectionId=1009&awEpisodeId=922198 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. Wed, 26 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-26-brainstuff-teeth-pull.mp3 podcast@howstuffworks.com (BrainStuff) no dental hygiene, teeth, teeth cleaning, HowStuffWorks.com, Marshall Brain, science 00:06:15 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 Why is a popsicle called a quiescently frozen confection? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-24-brainstuff-popsicle.mp3?awCollectionId=1009&awEpisodeId=922199 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, 24 Nov 2014 15:39:03 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-24-brainstuff-popsicle.mp3 podcast@howstuffworks.com (BrainStuff) no popsicles, food science, frozen food, freezing, Marshall Brain, HowStuffWorks.com 00:04:29 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 How do scratch-and-sniff stickers work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-21-brainstuff-scratch-and-sniff.mp3?awCollectionId=1009&awEpisodeId=922200 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, 21 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-21-brainstuff-scratch-and-sniff.mp3 podcast@howstuffworks.com (BrainStuff) no scratch and sniff, stickers, scents, scent technology, Marshall Brain, HowStuffWorks.com 00:03:57 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 Why is carbon monoxide so poisonous? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-19-brainstuff-carbon-monoxide.mp3?awCollectionId=1009&awEpisodeId=922201 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. Wed, 19 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-19-brainstuff-carbon-monoxide.mp3 podcast@howstuffworks.com (BrainStuff) no carbon monoxide, pollution, poisonous gas, hemoglobin, oxygen, blood, iron, exhaust, fumes, Marshall Brain, HowStuffWorks.com 00:03:52 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 What is the worst invasive public species? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-14-brainstuff-invasive-species.mp3?awCollectionId=1009&awEpisodeId=922203 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. Fri, 14 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-14-brainstuff-invasive-species.mp3 podcast@howstuffworks.com (BrainStuff) no invasive species, transplants, Kudzu, cane toads, wildlife, animals, plants, Marshall Brain, HowStuffWorks.com 00:07:13 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 How many people work at a Formula 1 pit stop? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-12-brainstuff-7-second-pit-stop.mp3?awCollectionId=1009&awEpisodeId=922204 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, 12 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-12-brainstuff-7-second-pit-stop.mp3 podcast@howstuffworks.com (BrainStuff) no NASCAR, formula 1, pit stop, pit crew, automotive technology, Marshall Brain, HowStuffWorks.com 00:05:15 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 When I pay by check, where does that check go? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-07-brainstuff-checks.mp3?awCollectionId=1009&awEpisodeId=922205 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, 07 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-07-brainstuff-checks.mp3 podcast@howstuffworks.com (BrainStuff) no checks, electronic transfer, banking, technology, commerce, POS, point of sale, check scanners, Marshall Brain, HowStuffWorks.com 00:06:50 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 How does a credit card's magnetic stripe work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-05-brainstuff-magstripe.mp3?awCollectionId=1009&awEpisodeId=922206 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, 05 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-05-brainstuff-magstripe.mp3 podcast@howstuffworks.com (BrainStuff) no credit card, electronic transactions, finance, technology, commerce, POS, point of sale, magnetic stripe, card readers, Marshall Brain, HowStuffWorks.com 00:06:34 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 Why do Wint-O-Green Life Savers spark in the dark? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-11-03-brainstuff-sparking-lifesavers.mp3?awCollectionId=1009&awEpisodeId=922207 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 the phenomenon known as triboluminescence in this episode. Mon, 03 Nov 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-11-03-brainstuff-sparking-lifesavers.mp3 podcast@howstuffworks.com (BrainStuff) no Lifesavers, Wint-O-Green, sparks, electricity, chemistry, triboluminescence, Marshall Brain, HowStuffWorks.com 00:04:40 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 the phenomenon known as triboluminescence in this episode. HowStuffWorks How can we eliminate fossil fuels? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-31-brainstuff-diy-biofuels.mp3?awCollectionId=1009&awEpisodeId=922208 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, 31 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-31-brainstuff-diy-biofuels.mp3 podcast@howstuffworks.com (BrainStuff) no biofuel, fossil fuel, bio diesel, veggie diesel, fuel alternatives, Marshall Brain., HowStuffWorks.com 00:10:25 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 What does "not guilty by reason of insanity" mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-29-brainstuff-insanity-plea.mp3?awCollectionId=1009&awEpisodeId=922209 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. Wed, 29 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-29-brainstuff-insanity-plea.mp3 podcast@howstuffworks.com (BrainStuff) no insanity defense, guilty by reason of insanity, psychology, mental illness, legal system, Marshall Brain, HowStuffWorks.com 00:07:00 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 How do kosher foods work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-27-brainstuff-kosher.mp3?awCollectionId=1009&awEpisodeId=922210 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of the Jewish dietary laws and preparations that make foods "kosher" and "pareve." Mon, 27 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-27-brainstuff-kosher.mp3 podcast@howstuffworks.com (BrainStuff) no kosher, food, Jewish dietary law, food preparation, Marshall Brain, HowStuffWorks.com 00:05:08 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 Do you have a hidden savant inside your brain? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-24-brainstuff-hidden-savant.mp3?awCollectionId=1009&awEpisodeId=922211 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. Fri, 24 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-24-brainstuff-hidden-savant.mp3 podcast@howstuffworks.com (BrainStuff) no savant capabilities, savants, brain, human brain, savant-like qualities, brain exercises, HowStuffWorks.com, Marshall Brain, science 00:07:08 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 Is there a way to detect illegal phone taps? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-15-brainstuff-phone-taps.mp3?awCollectionId=1009&awEpisodeId=922212 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. Wed, 15 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-15-brainstuff-phone-taps.mp3 podcast@howstuffworks.com (BrainStuff) no phone taps, land lines, telephony, illegal phone taps, secret recording, surveillance, Marshall Brain, HowStuffWorks.com 00:04:17 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 Is it possible to carbonate your own water? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-13-brainstuff-carbonated-water.mp3?awCollectionId=1009&awEpisodeId=922213 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, 13 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-13-brainstuff-carbonated-water.mp3 podcast@howstuffworks.com (BrainStuff) no carbonation,. soda water, DIY, science, Marshall Brain, HowStuffWorks.com 00:08:35 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 What is a fossil? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-10-brainstuff-fossils.mp3?awCollectionId=1009&awEpisodeId=922214 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, 10 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-10-brainstuff-fossils.mp3 podcast@howstuffworks.com (BrainStuff) no fossils, paleontology, excavation, ancient life, history, dinosaurs, prehistory, fossilization, Marshall Brain, HowStuffWorks.com 00:07:12 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 What is superconductivity? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-08-brainstuff-superconductors.mp3?awCollectionId=1009&awEpisodeId=922215 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, 08 Oct 2014 14:30:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-08-brainstuff-superconductors.mp3 podcast@howstuffworks.com (BrainStuff) no superconductors, electricity, electronics, resistance, superconductive materials, manufacturing, technology, Marshall Brain, HowStuffWorks.com 00:07:17 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 How do terrorist bombs work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-10-06-brainstuff-terrorist-bombs.mp3?awCollectionId=1009&awEpisodeId=922216 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. Mon, 06 Oct 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-10-06-brainstuff-terrorist-bombs.mp3 podcast@howstuffworks.com (BrainStuff) no terrorism, bombs, explosives, IEDs, science, chemistry, Marshall Brain, HowStuffWorks.com 00:07:37 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 How valuable is exercise to your health? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-26-brainstuff-exercise-valuable.mp3?awCollectionId=1009&awEpisodeId=922217 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, 26 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-26-brainstuff-exercise-valuable.mp3 podcast@howstuffworks.com (BrainStuff) no exercise, fitness, health, Marshall Brain, HowStuffWorks.com, science 00:05:25 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 How can water cut through steel? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-24-brainstuff-waterjet.mp3?awCollectionId=1009&awEpisodeId=922218 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. Wed, 24 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-24-brainstuff-waterjet.mp3 podcast@howstuffworks.com (BrainStuff) no water jets, pressurized water, steel cutting tolls, materials, construction, manufacturing, Marshall Brain, HowStuffWorks.com 00:05:25 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 How do flies breathe? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-22-brainstuff-fly-respiration.mp3?awCollectionId=1009&awEpisodeId=922219 Insects like flies have a very different respiratory system than we do. Learn more about how flies and insects breathe in this episode. Mon, 22 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-22-brainstuff-fly-respiration.mp3 podcast@howstuffworks.com (BrainStuff) no flies, respiration, respiratory, insects, breathing, Marshall Brain, HowStuffWorks.com 00:04:29 Insects like flies have a very different respiratory system than we do. Learn more about how flies and insects breathe in this episode. HowStuffWorks How often do state quarters come out? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-19-brainstuff-state-quarters.mp3?awCollectionId=1009&awEpisodeId=922220 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. Fri, 19 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-19-brainstuff-state-quarters.mp3 podcast@howstuffworks.com (BrainStuff) no currency, state quarters, coin collecting, minting, Marshall Brain, HowStuffWorks.com 00:03:30 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 How do gasoline direct injection engines work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-15-brainstuff-gasoline-direct-injection.mp3?awCollectionId=1009&awEpisodeId=922221 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. Mon, 15 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-15-brainstuff-gasoline-direct-injection.mp3 podcast@howstuffworks.com (BrainStuff) no engines, automotive technology, gasoline, injection engines, internal combustion, direct injection, Marshall Brain, HowStuffWorks.com 00:07:27 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 Why is organic food more expensive than regular food? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-08-brainstuff-low-e-windows.mp3?awCollectionId=1009&awEpisodeId=922222 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, 12 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-08-brainstuff-low-e-windows.mp3 podcast@howstuffworks.com (BrainStuff) no organic produce, organic meat, grocery stores, supermarkets, food cost, food deserts, farming techniques, GMO, Marshall Brain, HowStuffWorks.com 00:08:05 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 How do big city shell and three-card monte games work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-10-brainstuff-3-card-monte.mp3?awCollectionId=1009&awEpisodeId=922223 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. Wed, 10 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-10-brainstuff-3-card-monte.mp3 podcast@howstuffworks.com (BrainStuff) no shell games, cons, con artist, scams, scam artist, slight of hand, hustling, street games, three-card monte, Marshall Brain, games, HowStuffWorks.com 00:07:35 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 What is Low-E glass? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2015-09-08-brainstuff-low-e-windows.mp3?awCollectionId=1009&awEpisodeId=922224 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. Mon, 08 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2015-09-08-brainstuff-low-e-windows.mp3 podcast@howstuffworks.com (BrainStuff) no low-emissivity glass, Low-E glass, ultraviolet light, infrared light, coated glass, manufacturing, how things are made, HowStuffWorks.com, Marshall Brain, glass, energy efficiency, 00:08:05 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 Where should I sit to get the best ride on a roller coaster? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-05-brainstuff-best-seat.mp3?awCollectionId=1009&awEpisodeId=922225 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. Fri, 05 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-05-brainstuff-best-seat.mp3 podcast@howstuffworks.com (BrainStuff) no roller coasters, best seat, amusement parks, theme parks, Disney, Six Flags, Marshall Brain, HowStuffWorks.com, 00:06:06 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 Is it possible to rescue water-soaked electronics? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-09-03-brainstuff-electronics-in-water.mp3?awCollectionId=1009&awEpisodeId=922226 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, 03 Sep 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-09-03-brainstuff-electronics-in-water.mp3 podcast@howstuffworks.com (BrainStuff) no electronics, water damage, saving electronics, repair, Marshall Brain, HowStuffWorks.com 00:05:55 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 How did the moon get there? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-25-brainstuff-how-did-moon-get-there.mp3?awCollectionId=1009&awEpisodeId=922227 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, 25 Aug 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-25-brainstuff-how-did-moon-get-there.mp3 podcast@howstuffworks.com (BrainStuff) no moon, space, science, Marshall Brian, HowStuffWorks.com 00:07:41 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 How do calorie meters work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-22-brainstuff-calorie-meters.mp3?awCollectionId=1009&awEpisodeId=922228 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, 22 Aug 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-22-brainstuff-calorie-meters.mp3 podcast@howstuffworks.com (BrainStuff) no calories,fitness, health, science, calorie counting, nutrition, Marshall Brain, HowStuffWorks.com 00:04:02 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 How does popcorn work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-20-brainstuff-popcorn.mp3?awCollectionId=1009&awEpisodeId=922229 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. Wed, 20 Aug 2014 12:41:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-20-brainstuff-popcorn.mp3 podcast@howstuffworks.com (BrainStuff) no popcorn, snacks, movie theaters, Marshall Brain, HowStuffWorks.com 00:03:26 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 How Cooking at High Altitudes Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-18-brainstuff-altitude-cooking.mp3?awCollectionId=1009&awEpisodeId=922230 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. Mon, 18 Aug 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-18-brainstuff-altitude-cooking.mp3 podcast@howstuffworks.com (BrainStuff) no boiling point, water, high altitude, cooking, Marshall Brain, HowStuffWorks.com 00:04:14 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 Why do cats have whiskers? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-15-brainstuff-cat-whiskers.mp3?awCollectionId=1009&awEpisodeId=922231 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, 15 Aug 2014 14:53:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-15-brainstuff-cat-whiskers.mp3 podcast@howstuffworks.com (BrainStuff) no tactile hairs, whiskers, cats, felines, body hair, animals, HowStuffWorks.com 00:05:14 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 How Color Blindness Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-13-brainstuff-color-blindness.mp3?awCollectionId=1009&awEpisodeId=922232 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. Wed, 13 Aug 2014 14:19:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-13-brainstuff-color-blindness.mp3 podcast@howstuffworks.com (BrainStuff) no color blindness, hues, vision, color deficiency, Marshall Brain, HowStuffWorks.com 00:03:35 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 Why do limbs fall asleep? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-11-brainstuff-limbs-asleep.mp3?awCollectionId=1009&awEpisodeId=922233 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. Mon, 11 Aug 2014 11:18:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-11-brainstuff-limbs-asleep.mp3 podcast@howstuffworks.com (BrainStuff) no limbs, pins and needles, limbs fall asleep, impulses, brain, Marshall Brain, HowStuffWorks.com 00:03:33 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 Why do electric plugs have holes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-08-brainstuff-plug.mp3?awCollectionId=1009&awEpisodeId=922234 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. Fri, 08 Aug 2014 12:09:20 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-08-brainstuff-plug.mp3 podcast@howstuffworks.com (BrainStuff) no electricity, appliances, outlets, electrical outlets, Marshall Brain, HowStuffWorks.com 00:04:03 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 What is the right way to remove a leech? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-06-brainstuff-leech-removal.mp3?awCollectionId=1009&awEpisodeId=922235 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. Wed, 06 Aug 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-06-brainstuff-leech-removal.mp3 podcast@howstuffworks.com (BrainStuff) no leeches, health, safety, removing a leach, Marshall Brain, HowStuffWorks.com 00:04:35 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 How do one-way mirrors work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-01-brainstuff-oneway-mirror.mp3?awCollectionId=1009&awEpisodeId=922236 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, 01 Aug 2014 11:10:13 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-01-brainstuff-oneway-mirror.mp3 podcast@howstuffworks.com (BrainStuff) no one-way mirrors, police interrogation, crime dramas, TV, Marshall Brain, HowStuffWorks.com 00:05:02 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 Why does lettuce stored in a bag stay fresh longer? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-30-brainstuff-map.mp3?awCollectionId=1009&awEpisodeId=922237 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, 30 Jul 2014 10:49:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-30-brainstuff-map.mp3 podcast@howstuffworks.com (BrainStuff) no MAP, food storage, lettuce, freshness, Marshall Brain, HowStuffWorks.com 00:04:22 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 How much sugar do they really put in soda? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-28-brainstuff-sugar-in-soda.mp3?awCollectionId=1009&awEpisodeId=922238 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, 28 Jul 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-28-brainstuff-sugar-in-soda.mp3 podcast@howstuffworks.com (BrainStuff) no sugar, soda, soft drinks, calories, nutrition, Marshall Brain, HowStuffWorks.com 00:04:28 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 What is market capitalization? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-23-brainstuff-stock-capitalization.mp3?awCollectionId=1009&awEpisodeId=922239 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, 23 Jul 2014 20:13:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-23-brainstuff-stock-capitalization.mp3 podcast@howstuffworks.com (BrainStuff) no Stock Market, New York City,market capitalization, Marshall Brain, HowStuffWorks.com 00:04:50 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 Why can you hear the ocean in a seashell? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-14-brainstuff-seashell-sound.mp3?awCollectionId=1009&awEpisodeId=922240 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. Mon, 14 Jul 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-14-brainstuff-seashell-sound.mp3 podcast@howstuffworks.com (BrainStuff) no seashrells, ocean, sound, Marshall Brain, HowStuffWorks.com 00:04:54 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 What is an Omega-3 fatty acid? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-11-brainstuff-omega-3.mp3?awCollectionId=1009&awEpisodeId=922241 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. Fri, 11 Jul 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-11-brainstuff-omega-3.mp3 podcast@howstuffworks.com (BrainStuff) no fat molecules, Omega-3 fatty acids, anatomy, chemistry, fat molecules, science, fatty acids, Marshall Brain, HowStuffWorks.com 00:08:08 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 What do those diamond-shaped signs on buildings mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-09-brainstuff-nfa-panel.mp3?awCollectionId=1009&awEpisodeId=922242 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. Wed, 09 Jul 2014 16:08:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-09-brainstuff-nfa-panel.mp3 podcast@howstuffworks.com (BrainStuff) no hazerdous materials, hazmat, signage, how signs work, National Fire Protection Agency, NFPA, Marshall Brain, HowStuffWorks.com 00:05:16 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 Should you turn your computer off when it's not in use? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-07-brainstuff-turn-computer-off.mp3?awCollectionId=1009&awEpisodeId=922243 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, 07 Jul 2014 11:43:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-07-brainstuff-turn-computer-off.mp3 podcast@howstuffworks.com (BrainStuff) no computer, power, power saving, shutting down your computer, Marshall Brain, HowStuffWorks.com 00:05:18 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 How big is the universe? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-04-brainstuff-mass-of-universe.mp3?awCollectionId=1009&awEpisodeId=922244 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. Fri, 04 Jul 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-04-brainstuff-mass-of-universe.mp3 podcast@howstuffworks.com (BrainStuff) no universe, mass, Marshall Brain, HowStuffWorks.com 00:04:25 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 Why does hydrogen peroxide foam when you put it on a cut? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-07-02-brainstuff-h2o2.mp3?awCollectionId=1009&awEpisodeId=922245 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. Wed, 02 Jul 2014 11:21:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-07-02-brainstuff-h2o2.mp3 podcast@howstuffworks.com (BrainStuff) no catalase, blood, enzymes, chemical reaction, hydrogen peroxide, first aid, Marshall Brain, HowStuffWorks.com 00:03:47 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 What is a medical leech? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-25-brainstuff-medical-leech.mp3?awCollectionId=1009&awEpisodeId=922246 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. Wed, 25 Jun 2014 13:52:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-25-brainstuff-medical-leech.mp3 podcast@howstuffworks.com (BrainStuff) no medical leeches, parasites, medical parasites, leeches, medicine, Marshall Brain, HowStuffWorks.com 00:04:14 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 How does water desalination work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-23-brainstuff-desalination.mp3?awCollectionId=1009&awEpisodeId=922247 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, 23 Jun 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-23-brainstuff-desalination.mp3 podcast@howstuffworks.com (BrainStuff) no desalinaion, water, clean water, salt water, freshwater, desalination methods, Marshall Brain, HowStuffWorks.com 00:04:14 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 Why does my hard drive make that churning sound? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-20-brainstuff-hd-churning.mp3?awCollectionId=1009&awEpisodeId=922248 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. Fri, 20 Jun 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-20-brainstuff-hd-churning.mp3 podcast@howstuffworks.com (BrainStuff) no hard drive, hard disk, disk churning, hard drive sounds, computers, Mac, PC, HowStuffWOrks.com, Marshall Brain 00:05:13 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 How do space suits work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-11-brainstuff-space-suit.mp3?awCollectionId=1009&awEpisodeId=922249 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. Wed, 11 Jun 2014 12:41:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-11-brainstuff-space-suit.mp3 podcast@howstuffworks.com (BrainStuff) no space suits, decompression, perssurized air, space travel, temperature regulation, Marshall Brain, HowStuffWorks.com 00:03:31 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 What is a light year? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-09-brainstuff-lightyear.mp3?awCollectionId=1009&awEpisodeId=922092 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. Mon, 09 Jun 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-09-brainstuff-lightyear.mp3 podcast@howstuffworks.com (BrainStuff) no light year, distance, speed of light, Marshall Brain, HowStuffWorks.com 00:05:20 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 How do the Northern Lights work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-06-brainstuff-northern-lights.mp3?awCollectionId=1009&awEpisodeId=922093 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. Fri, 06 Jun 2014 14:39:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-06-brainstuff-northern-lights.mp3 podcast@howstuffworks.com (BrainStuff) no Northern Lights, aurora borealis, magnetic fields, Marshall Brain, HowStuffWorks.com 00:05:43 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 What would happen if the polar ice caps melted? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-06-04-brainstuff-ice-caps.mp3?awCollectionId=1009&awEpisodeId=922094 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. Wed, 04 Jun 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-06-04-brainstuff-ice-caps.mp3 podcast@howstuffworks.com (BrainStuff) no ice caps, polar ice caps, global warming, climate change, Marshall Brain, HowStuffWorks.com 00:06:57 Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff. HowStuffWorks How can I recover a deleted file from my computer? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-26-brainstuff-delete-file.mp3?awCollectionId=1009&awEpisodeId=922250 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, 26 May 2014 19:28:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-26-brainstuff-delete-file.mp3 podcast@howstuffworks.com (BrainStuff) no Recycle Bin, data recovery, Marshall Brain, HowStuffWorks.com 00:06:11 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 How Light Wave Interference Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-23-brainstuff-cd-rainbow.mp3?awCollectionId=1009&awEpisodeId=922251 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. Fri, 23 May 2014 19:06:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-23-brainstuff-cd-rainbow.mp3 podcast@howstuffworks.com (BrainStuff) no electromagnetic spectrum, rainbows, color, light, film, oil, white light, Marshall Brain, HowStuffWorks.com 00:05:15 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 How Phones Work During Power Outages http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-21-brainstuff-phone-system.mp3?awCollectionId=1009&awEpisodeId=922252 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. Wed, 21 May 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-21-brainstuff-phone-system.mp3 podcast@howstuffworks.com (BrainStuff) no phone systems, telephony, landliens, electrical generators, power outages, Marshall Brain, HowStuffWorks.com 00:04:27 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 How Liquid Smoke Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-19-brainstuff-liquid-smoke.mp3?awCollectionId=1009&awEpisodeId=922253 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. Mon, 19 May 2014 15:34:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-19-brainstuff-liquid-smoke.mp3 podcast@howstuffworks.com (BrainStuff) no hydrocarbons, smoke, liquid smoke, cooking, Marshall Brain, HowStuffWorks.com 00:03:55 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 What do the yellow and black wires in a home telephone jack do? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-14-brainstuff-phone-jacks.mp3?awCollectionId=1009&awEpisodeId=922254 It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. Wed, 14 May 2014 11:54:46 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-14-brainstuff-phone-jacks.mp3 podcast@howstuffworks.com (BrainStuff) no telehpones, telephony, communications, telephone systems, wiring, connections, cables, Marshall Brain, HowStuffWorks.com 00:04:46 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 What Happens to Blood During the Embalming Process? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-12-brainstuff-embalming.mp3?awCollectionId=1009&awEpisodeId=922100 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. Mon, 12 May 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/smnty/2013-04-08-smnty-kids-in-work-place.mp3 podcast@howstuffworks.com (BrainStuff) no embalming, blood, bodily fluids, Marshall Brain, HowStuffWorks.com 00:05:11 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 What makes us yawn? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-07-brainstuff-yawn.mp3?awCollectionId=1009&awEpisodeId=922255 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. Wed, 07 May 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-07-brainstuff-yawn.mp3 podcast@howstuffworks.com (BrainStuff) no yawning, human behavior, purpose of yawning, Marshall Brain, HowStuffWorks.com, science 00:06:41 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 What is Windows Safe Mode? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-05-brainstuff-windows-safe-mode.mp3?awCollectionId=1009&awEpisodeId=922256 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. Mon, 05 May 2014 15:11:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-05-brainstuff-windows-safe-mode.mp3 podcast@howstuffworks.com (BrainStuff) no Windows, safe mode, blue screan, operating systems, PC, troubleshooting, Marshall Brain, HowStuffWorks.com 00:06:46 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 What makes glass transparent? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-05-02-brainstuff-glass.mp3?awCollectionId=1009&awEpisodeId=922257 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. Fri, 02 May 2014 18:09:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-05-02-brainstuff-glass.mp3 podcast@howstuffworks.com (BrainStuff) no glass, transparency, materials, silica, Marshall Brain, HowStuffWorks.com 00:06:08 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 What is a blowout preventer? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-30-brainstuff-blowout-preventers.mp3?awCollectionId=1009&awEpisodeId=922258 The massive oil spill that flooded 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, 30 Apr 2014 14:38:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-30-brainstuff-blowout-preventers.mp3 podcast@howstuffworks.com (BrainStuff) no oil spills, Blowout Preventer, safety mechanism, oil rig, Deepwater Horizon, environmental protection, Marshall Brain, HowStuffWorks.com 00:07:35 The massive oil spill that flooded 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 What is a rice krispy? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-28-brainstuff-rice-krispy.mp3?awCollectionId=1009&awEpisodeId=922259 Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice krispies and other puffed cereals are manufactured in this episode of BrainStuff. Mon, 28 Apr 2014 14:00:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-28-brainstuff-rice-krispy.mp3 podcast@howstuffworks.com (BrainStuff) no cerial, rice krispies, grain, Marshall Brain, HowStuffWorks.com 00:05:46 Like many cereals, rice krispies are made by puffing grains -- in this case, rice. Find out how rice krispies and other puffed cereals are manufactured in this episode of BrainStuff. HowStuffWorks How do hopping cars work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-08-25-brainstuff-lowrider.mp3?awCollectionId=1009&awEpisodeId=922260 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. Fri, 25 Apr 2014 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-08-25-brainstuff-lowrider.mp3 podcast@howstuffworks.com (BrainStuff) no lowriders, cars, hydraulics, hopping cars, Marshall Brain, HowStuffWorks.com 00:04:40 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 How does hemp work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-21-brainstuff-hemp.mp3?awCollectionId=1009&awEpisodeId=922261 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. Mon, 21 Apr 2014 15:27:29 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-21-brainstuff-hemp.mp3 podcast@howstuffworks.com (BrainStuff) no hemp, fibers, rope, Marshall Brain, HowStuffWorks.com 00:05:07 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 How do self-cleaning ovens work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-18-brainstuff-self-cleaning-oven.mp3?awCollectionId=1009&awEpisodeId=922262 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, 18 Apr 2014 18:39:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-18-brainstuff-self-cleaning-oven.mp3 podcast@howstuffworks.com (BrainStuff) no self-cleaning ovens, appliances, home, Marshall Brain, HowStuffWorks.com 00:05:06 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 What is low-power FM (LPFM)? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-09-brainstuff-lpfm-stations.mp3?awCollectionId=1009&awEpisodeId=922263 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. Wed, 09 Apr 2014 18:50:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-09-brainstuff-lpfm-stations.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, lpfm, low-power fm, radio, radio stations 00:05:29 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 How does satellite Internet work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-07-brainstuff-satellite-internet.mp3?awCollectionId=1009&awEpisodeId=922264 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, 07 Apr 2014 14:02:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-07-brainstuff-satellite-internet.mp3 podcast@howstuffworks.com (BrainStuff) no satellite internet, rural internet access, internet access, Marshall Brain, Brainstuff, HowStuffWorks.com 00:05:59 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 What is an IP address? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-04-02-brainstuff-ip-addresses.mp3?awCollectionId=1009&awEpisodeId=922265 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, 02 Apr 2014 13:48:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-04-02-brainstuff-ip-addresses.mp3 podcast@howstuffworks.com (BrainStuff) no IP address, internet protocol address, internet, computer networking, Marshall Brain, 00:05:49 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 What happens when pregnant women smoke cigarettes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-31-brainstuff-baby-nicotine.mp3?awCollectionId=1009&awEpisodeId=922266 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. Mon, 31 Mar 2014 19:32:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-31-brainstuff-baby-nicotine.mp3 podcast@howstuffworks.com (BrainStuff) no cigerette smoke, carbon monoxide, pregnant women, smoking, fetal damage, Marshall Brain, HowStuffWorks.com 00:06:09 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 What is a funicular railway? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-28-brainstuff-funicular.mp3?awCollectionId=1009&awEpisodeId=922267 A funicular railway combines the technology of an elevator and a train. But how do they actually work? Learn more about these fascinating railways -- and how old they are -- in this episode. Fri, 28 Mar 2014 17:01:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-28-brainstuff-funicular.mp3 podcast@howstuffworks.com (BrainStuff) no railway, funicular railway, elevator, train, Marshall Brain, HowStuffWorks.com 00:06:18 A funicular railway combines the technology of an elevator and a train. But how do they actually work? Learn more about these fascinating railways -- and how old they are -- in this episode. HowStuffWorks How are LCD screens backlit? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-26-brainstuff-lcd-backlight.mp3?awCollectionId=1009&awEpisodeId=922268 In this episode, Marshall explains the two technologies that are used to backlight LCD panels. Tune in to learn more about the science behind LCD panels. Wed, 26 Mar 2014 12:00:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-26-brainstuff-lcd-backlight.mp3 podcast@howstuffworks.com (BrainStuff) no liquid crystal display, LCD, monitors, backlit displays, screens, televisions, laptops, science, Marshall Brain, Brainstuff, HowStuffWorks.com 00:06:50 In this episode, Marshall explains the two technologies that are used to backlight LCD panels. Tune in to learn more about the science behind LCD panels. HowStuffWorks What is a stratospheric aerosol? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-24-brainstuff-stratospheric-aerosols.mp3?awCollectionId=1009&awEpisodeId=922269 Stratospheric aerosols have been proposed as a new way to combat global warming -- but what's the science behind this proposal? Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. Mon, 24 Mar 2014 15:27:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-24-brainstuff-stratospheric-aerosols.mp3 podcast@howstuffworks.com (BrainStuff) no stratospheric aerosols, global warming, Marshall Brain, HowStuffWorks.com 00:04:50 Stratospheric aerosols have been proposed as a new way to combat global warming -- but what's the science behind this proposal? Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. HowStuffWorks Tiny Houses http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-19-brainstuff-tiny-house.mp3?awCollectionId=1009&awEpisodeId=922270 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. Wed, 19 Mar 2014 14:05:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-19-brainstuff-tiny-house.mp3 podcast@howstuffworks.com (BrainStuff) no tiny houses, conservation, green building, tiny homes, Marshall Brain, HowStuffWorks.com 00:06:19 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 What is a Nor’easter? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-10-brainstuff-noreaster.mp3?awCollectionId=1009&awEpisodeId=922271 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. Mon, 10 Mar 2014 12:57:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-10-brainstuff-noreaster.mp3 podcast@howstuffworks.com (BrainStuff) no noreaster, storm systems, Nor'easters, Marshall Brain, HowStuffWorks.com, Eastern United States, moisture, cold air, hurricane force winds, northeast winds, Gulf Stream 00:05:37 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 How do smoke detectors intercommunicate? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-07-brainstuff-fire-alarm-intercommunicate.mp3?awCollectionId=1009&awEpisodeId=922272 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. Fri, 07 Mar 2014 15:54:17 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-07-brainstuff-fire-alarm-intercommunicate.mp3 podcast@howstuffworks.com (BrainStuff) no smoke detectors, AC-powered smoke detectors, communication, elecrtronics, Marshall Brain, HowStuffWorks.com 00:04:43 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 Where did the potato chip come from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-05-brainstuff-potato-chips.mp3?awCollectionId=1009&awEpisodeId=922273 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, 05 Mar 2014 13:09:37 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-05-brainstuff-potato-chips.mp3 podcast@howstuffworks.com (BrainStuff) no potato chips, George Crum, HowStuffWorks.com, Marshall Brain 00:06:31 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 What causes poison ivy blisters? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-03-03-brainstuff-poison-ivy.mp3?awCollectionId=1009&awEpisodeId=922274 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. Mon, 03 Mar 2014 13:37:35 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-03-03-brainstuff-poison-ivy.mp3 podcast@howstuffworks.com (BrainStuff) no poison ivy, rashes, urushiol, HowStuffWorks, Marshall Brain 00:05:13 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 How do mood rings work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-28-brainstuff-mood-ring.mp3?awCollectionId=1009&awEpisodeId=922275 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. Fri, 28 Feb 2014 17:12:43 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-28-brainstuff-mood-ring.mp3 podcast@howstuffworks.com (BrainStuff) no mood rings, emotional measurements, science, Marshall Brain, HowStuffWorks.com 00:06:47 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 What makes your knuckles pop? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-26-brainstuff-knuckle-popping.mp3?awCollectionId=1009&awEpisodeId=922276 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. Wed, 26 Feb 2014 14:26:20 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-26-brainstuff-knuckle-popping.mp3 podcast@howstuffworks.com (BrainStuff) no knuckles popping, cracking knuckles, anatomy, chemistry, HowStuffWorks.com, Marshall Brain 00:06:10 Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff. HowStuffWorks Could I see a flashlight beam from Earth on the moon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-24-brainstuff-moon-flashlight.mp3?awCollectionId=1009&awEpisodeId=922277 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. Mon, 24 Feb 2014 12:45:28 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-24-brainstuff-moon-flashlight.mp3 podcast@howstuffworks.com (BrainStuff) no flashlight beam, moon, earth, Marshall Brain, HowStuffWorks.com 00:05:54 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 Why do tools have "drop forged" stamped on them? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-21-brainstuff-drop-forge.mp3?awCollectionId=1009&awEpisodeId=922278 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, 21 Feb 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-21-brainstuff-drop-forge.mp3 podcast@howstuffworks.com (BrainStuff) no drop forged, tools, drop forging, tools, forging work, Marshall Brain, HowStuffWorks.com 00:05:14 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 How does the lighter in a barbeque grill work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-19-brainstuff-piezoelectric.mp3?awCollectionId=1009&awEpisodeId=922279 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, 19 Feb 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-19-brainstuff-piezoelectric.mp3 podcast@howstuffworks.com (BrainStuff) no piezoelectricity, push-button lighter, barbeque grill, Marshall Brain, HoWStuffWorks 00:05:33 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 How can you measure the height of a tall tower? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-17-brainstuff-height-of-tower.mp3?awCollectionId=1009&awEpisodeId=922280 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. Mon, 17 Feb 2014 15:52:21 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-17-brainstuff-height-of-tower.mp3 podcast@howstuffworks.com (BrainStuff) no measuring, height, measuring techniques, towers, Marshall Brain, HowStuffWorks.com 00:05:35 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. HowStuffWorks Why does the moon look bigger when it's near the horizon? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-14-brainstuff-moon-illusion.mp3?awCollectionId=1009&awEpisodeId=922281 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. Fri, 14 Feb 2014 13:12:09 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-14-brainstuff-moon-illusion.mp3 podcast@howstuffworks.com (BrainStuff) no moon, horizon, illusion, optical illusion, Marshall Brain, HowStuffWorks.com 00:06:26 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 How do photochromatic lenses work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-12-brainstuff-transition-lenses.mp3?awCollectionId=1009&awEpisodeId=922282 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, 12 Feb 2014 14:44:47 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-12-brainstuff-transition-lenses.mp3 podcast@howstuffworks.com (BrainStuff) no photochromatic lenses, transition lenses, Marshall Brain, HowStuffWorks.com 00:06:21 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 How does a movie clapperboard work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-10-brainstuff-clapperboard.mp3?awCollectionId=1009&awEpisodeId=922283 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, 10 Feb 2014 17:08:14 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-10-brainstuff-clapperboard.mp3 podcast@howstuffworks.com (BrainStuff) no clapperboard, filmmaking, audio, video, synchronization, HowStuffWorks.com, Marshall Brain 00:05:27 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 Why doesn't gasoline burn cleanly? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-07-brainstuff-gas-pollution.mp3?awCollectionId=1009&awEpisodeId=922284 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, 07 Feb 2014 19:00:53 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-07-brainstuff-gas-pollution.mp3 podcast@howstuffworks.com (BrainStuff) no gasoline, carbon, hydrogen, chemical reactions, car exhaust, Marshall Brain, HowStuffWorks.com 00:05:10 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 How do jet engines start? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-05-brainstuff-starting-jet-engine.mp3?awCollectionId=1009&awEpisodeId=922285 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, 05 Feb 2014 17:14:33 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-05-brainstuff-starting-jet-engine.mp3 podcast@howstuffworks.com (BrainStuff) no jet engiens, marshall brain, HowStuffWorks.com 00:05:32 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 Can cans and string really be used like a telephone? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-02-03-brainstuff-cans-and-string.mp3?awCollectionId=1009&awEpisodeId=922286 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. Mon, 03 Feb 2014 18:18:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-02-03-brainstuff-cans-and-string.mp3 podcast@howstuffworks.com (BrainStuff) no tin can telephone, cans, string, communication, Marshall Brain, HowStuffWorks.com 00:06:04 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 What is making my backyard sparkle at night? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-31-brainstuff-backyard-sparkle-spiders.mp3?awCollectionId=1009&awEpisodeId=922287 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. Fri, 31 Jan 2014 13:27:54 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-31-brainstuff-backyard-sparkle-spiders.mp3 podcast@howstuffworks.com (BrainStuff) no reflections, spiders, spider webs, moisture, Marshall Brain, HowStuffWorks.com 00:06:27 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 What can you do to make yourself really unhappy? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-29-brainstuff-unhappy.mp3?awCollectionId=1009&awEpisodeId=922288 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. Wed, 29 Jan 2014 15:49:23 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-29-brainstuff-unhappy.mp3 podcast@howstuffworks.com (BrainStuff) no unhappiness, unhappy, Marshall Brain, HowStuffWorks.com 00:07:20 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 What is the difference between hardwood and softwood? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-15-brainstuff-hardwood-vs-softwood.mp3?awCollectionId=1009&awEpisodeId=922289 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. Wed, 15 Jan 2014 11:12:10 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-15-brainstuff-hardwood-vs-softwood.mp3 podcast@howstuffworks.com (BrainStuff) no hardwood, softwood, wood density, plant reproduction, angiosperms, gymnosperms, Marshall Brain, HowStuffWorks.com 00:05:25 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 How do stabilizer bars work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-08-brainstuff-stabilizer-bar.mp3?awCollectionId=1009&awEpisodeId=922290 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. Wed, 08 Jan 2014 16:19:56 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-08-brainstuff-stabilizer-bar.mp3 podcast@howstuffworks.com (BrainStuff) no stabilizer bars, cars, automotive technology, Marshall Brain, HowStuffWorks.com 00:05:53 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 How does a CB radio antenna work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-03-brainstuff-cb-antenna.mp3?awCollectionId=1009&awEpisodeId=922291 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, 03 Jan 2014 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-03-brainstuff-cb-antenna.mp3 podcast@howstuffworks.com (BrainStuff) no CB radio, citizens band, truck drivers, truckers, radio antenna, 00:07:05 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 When you have an itch, what's happening under your skin? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2014-01-01-brainstuff-itching.mp3?awCollectionId=1009&awEpisodeId=922292 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, 01 Jan 2014 09:17:41 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2014-01-01-brainstuff-itching.mp3 podcast@howstuffworks.com (BrainStuff) no skin, itches, itching, skin irritation, Marshall Brain, HowStuffWorks.com 00:05:52 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 What is a digital signature? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-30-brainstuff-digital-signature.mp3?awCollectionId=1009&awEpisodeId=922293 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, 30 Dec 2013 10:52:01 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-30-brainstuff-digital-signature.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, digital signature, electronic documents, encryption, HowStuffWorks.com 00:07:44 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 Why do some engines use a dry sump oil system? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-27-brainstuff-dry-sump.mp3?awCollectionId=1009&awEpisodeId=922294 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. Fri, 27 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-27-brainstuff-dry-sump.mp3 podcast@howstuffworks.com (BrainStuff) no dry sump oil systems, cars, automotive repair, Marshall Brain, HowStuffWorks.com 00:05:13 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 What are carbide tips? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-25-brainstuff-carbide-tips.mp3?awCollectionId=1009&awEpisodeId=922295 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. Wed, 25 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-25-brainstuff-carbide-tips.mp3 podcast@howstuffworks.com (BrainStuff) no cutting tools, carbide tips, steel, Marshall Brain, HowStuffWorks.com 00:04:56 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 Is it possible to use a leaf blower as a supercharger? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-23-brainstuff-leafblower-supercharger.mp3?awCollectionId=1009&awEpisodeId=922296 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. Mon, 23 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-23-brainstuff-leafblower-supercharger.mp3 podcast@howstuffworks.com (BrainStuff) no leaf blower, supercharger, Marshall Brain, HowStuffWorks.com 00:10:13 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 How does a QWERTY keyboard work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-20-brainstuff-qwerty.mp3?awCollectionId=1009&awEpisodeId=922297 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. Fri, 20 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-20-brainstuff-qwerty.mp3 podcast@howstuffworks.com (BrainStuff) no WQERTY, keyboard, computer keyboard, data entry, letters, Dvorak design, Marshall Brain, HowStuffWorks.com 00:06:18 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 How does a fiber optic cable work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-18-brainstuff-fiber-optic.mp3?awCollectionId=1009&awEpisodeId=922298 Fiber optic cables make long-distance telephone communication and Internet access much more affordable and accessible. Get Marshall's explanation of fiber optic cables in this episode of BrainStuff. Wed, 18 Dec 2013 11:55:10 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-18-brainstuff-fiber-optic.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, fiber optic cable, telecommunication, internet access, HowStuffWorks.com 00:06:26 Fiber optic cables make long-distance telephone communication and Internet access much more affordable and accessible. Get Marshall's explanation of fiber optic cables in this episode of BrainStuff. HowStuffWorks Does airing out mattresses outside do any good? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-16-brainstuff-mattress-disinfect.mp3?awCollectionId=1009&awEpisodeId=922299 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. Mon, 16 Dec 2013 12:36:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-16-brainstuff-mattress-disinfect.mp3 podcast@howstuffworks.com (BrainStuff) no matresses, rugs, airing out, ultraviolet light, UV, Marshall Brain, HowStuffWorks.com 00:04:37 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 How Lava Lamps Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-13-brainstuff-lava-lamp.mp3?awCollectionId=1009&awEpisodeId=922300 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. Fri, 13 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-13-brainstuff-lava-lamp.mp3 podcast@howstuffworks.com (BrainStuff) no liquid motion lamps, lava lamps, liquid density, Marshall Brain, HowStuffWorks.com 00:04:26 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 How Dry Cleaning Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-11-brainstuff-dry-cleaning.mp3?awCollectionId=1009&awEpisodeId=922301 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. Wed, 11 Dec 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-11-brainstuff-dry-cleaning.mp3 podcast@howstuffworks.com (BrainStuff) no dry cleaning, petroleum solvent, Marshall Brain, HowStuffWorks.com 00:04:26 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 How Dehumidifiers Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-12-09-brainstuff-dehumidifier.mp3?awCollectionId=1009&awEpisodeId=922302 Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. Mon, 09 Dec 2013 11:24:18 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-12-09-brainstuff-dehumidifier.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, dehumidifiers, moisture removal, HowStuffWorks.com 00:04:24 Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. HowStuffWorks How Does Yawning Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-11-27-brainstuff-yawn.mp3?awCollectionId=1009&awEpisodeId=922303 Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. Wed, 27 Nov 2013 13:08:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-11-27-brainstuff-yawn.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, yawning, HowStuffWorks.com 00:06:32 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 How the Nobel Prize Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-11-22-brainstuff-nobel-prize.mp3?awCollectionId=1009&awEpisodeId=922304 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. Fri, 22 Nov 2013 14:42:31 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-11-22-brainstuff-nobel-prize.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, Brainstuff, HowStuffWorks.com, Nobel Prize 00:04:26 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 What constitutes a person's IQ? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-11-20-brainstuff-iq.mp3?awCollectionId=1009&awEpisodeId=922305 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, 20 Nov 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-11-20-brainstuff-iq.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, IQ test, IQ, intelligence quotient, intelligence test, HowStuffWorks.com 00:08:15 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 What type of gas do racecars use? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-11-13-brainstuff-race-gas.mp3?awCollectionId=1009&awEpisodeId=922306 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 Nov 2013 09:00:00 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-11-13-brainstuff-race-gas.mp3 podcast@howstuffworks.com (BrainStuff) no racing vehicles, acecars, auto racing, facing fuel, racecar fuel, Marshall Brain, Brainstuff, HowStuffWorks.com 00:03:59 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 How do you make clear ice cubes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-11-06-brainstuff-clear-ice.mp3?awCollectionId=1009&awEpisodeId=922307 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. Wed, 06 Nov 2013 17:17:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-11-06-brainstuff-clear-ice.mp3 podcast@howstuffworks.com (BrainStuff) no ice cubes, clear ice, cloudy ice, Marshall Brain, HowStuffWorks 00:04:04 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 What is the ideal temperature for a refrigerator? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-28-brainstuff-refrig-temp.mp3?awCollectionId=1009&awEpisodeId=922308 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. Mon, 28 Oct 2013 15:18:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-28-brainstuff-refrig-temp.mp3 podcast@howstuffworks.com (BrainStuff) no bacteria, refrigerator, temperature, bacteria browth, HowStuffWorks, Marshall Brain 00:03:50 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 Does adding RAM make a computer faster? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-25-brainstuff-ram.mp3?awCollectionId=1009&awEpisodeId=922309 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. Fri, 25 Oct 2013 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-25-brainstuff-ram.mp3 podcast@howstuffworks.com (BrainStuff) no RAM, random access memory, computers, PC, Mac, Marshall Brain 00:05:31 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 What does 'octane' mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-23-brainstuff-octane.mp3?awCollectionId=1009&awEpisodeId=922310 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. Wed, 23 Oct 2013 09:40:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-23-brainstuff-octane.mp3 podcast@howstuffworks.com (BrainStuff) no octane, fuel, gasoline, engines, cars, automotive, HowStuffWorks, Marshall Brain 00:05:12 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 How Case Hardening Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-21-brainstuff-case-harden.mp3?awCollectionId=1009&awEpisodeId=922311 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. Mon, 21 Oct 2013 12:34:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-21-brainstuff-case-harden.mp3 podcast@howstuffworks.com (BrainStuff) no case hardening, steel, construction, manufacturing, Marshall Brain, HowStruffWorks, Brainstuff 00:04:11 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 Why do batteries die but then come back to life? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-18-brainstuff-deep-cycle-batteries.mp3?awCollectionId=1009&awEpisodeId=922312 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, 18 Oct 2013 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-18-brainstuff-deep-cycle-batteries.mp3 podcast@howstuffworks.com (BrainStuff) no deep cycle batteries, Marshall Brain, Brainstuff, HowStuffWorks 00:05:12 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 How the Horizon Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-11-brainstuff-horizon.mp3?awCollectionId=1009&awEpisodeId=922313 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. Fri, 11 Oct 2013 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-11-brainstuff-horizon.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, horizon, curvature of earth, howstuffworks 00:03:47 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 How do V-chips work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-10-04-brainstuff-vchip.mp3?awCollectionId=1009&awEpisodeId=922314 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. Fri, 04 Oct 2013 09:00:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-10-04-brainstuff-vchip.mp3 podcast@howstuffworks.com (BrainStuff) no v-chip, viewer-control chip, television ratings, Marshall Brain, howstuffworks 00:04:57 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 How does hair length work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-30-brainstuff-hair-length.mp3?awCollectionId=1009&awEpisodeId=922315 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. Mon, 30 Sep 2013 11:21:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-30-brainstuff-hair-length.mp3 podcast@howstuffworks.com (BrainStuff) no hair cells, Marshall Brain, follicles, howstuffworks, brainstuff, test tube 00:04:38 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 How do vacuums work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-27-brainstuff-vacuum-balloon.mp3?awCollectionId=1009&awEpisodeId=922316 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. Fri, 27 Sep 2013 11:58:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-27-brainstuff-vacuum-balloon.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, vacuums, balloons, howstuffworks, test tube 00:04:28 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 How does gravity assist with interplanetary satellites? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-25-brainstuff-gravity-assist.mp3?awCollectionId=1009&awEpisodeId=922317 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. Wed, 25 Sep 2013 11:52:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-25-brainstuff-gravity-assist.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, gravity, interplanetary satellites, howstuffworks, test tube 00:04:35 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 How does large-scale power storage work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-23-brainstuff-storing-energy.mp3?awCollectionId=1009&awEpisodeId=922318 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. Mon, 23 Sep 2013 17:08:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-23-brainstuff-storing-energy.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, brainstuff, wind farms, solar farms, storing energy, howstuffworks 00:06:43 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 How can I gain pounds during the day and lose them at night? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-18-brainstuff-water-weight.mp3?awCollectionId=1009&awEpisodeId=922319 Water is a very heavy substance -- just one gallon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. Wed, 18 Sep 2013 11:36:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-18-brainstuff-water-weight.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, brainstuff, water weight, howstuffworks 00:04:20 Water is a very heavy substance -- just one gallon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. HowStuffWorks How much does it cost to run an electric blanket? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-13-brainstuff-electric-blanket.mp3?awCollectionId=1009&awEpisodeId=922320 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. Listen to find out more in this podcast from HowStuffWorks.com. Fri, 13 Sep 2013 13:26:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-13-brainstuff-electric-blanket.mp3 podcast@howstuffworks.com (BrainStuff) no electric blanket, Marshall Brain, kilowatt-hour, watts, howstuffworks 00:04:01 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. Listen to find out more in this podcast from HowStuffWorks.com. HowStuffWorks Why do hurricanes follow such peculiar tracks? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-06-brainstuff-hurricane-tracks.mp3?awCollectionId=1009&awEpisodeId=922321 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. Fri, 06 Sep 2013 07:42:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-06-brainstuff-hurricane-tracks.mp3 podcast@howstuffworks.com (BrainStuff) no hurricanes, hurricane paths, Marshall Brain, howstuffworks 00:04:29 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 How do Heart Bypass operations work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-04-brainstuff-heart-bypass.mp3?awCollectionId=1009&awEpisodeId=922322 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. Listen to find out in this podcast from HowStuffWorks.com. Wed, 04 Sep 2013 14:50:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-04-brainstuff-heart-bypass.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, heart bypass surgery, medical science, blocked arteries, heart attack, howstuffworks, brainstuff 00:04:33 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. Listen to find out in this podcast from HowStuffWorks.com. HowStuffWorks How Inkjet Printers Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-09-02-brainstuff-inkjet.mp3?awCollectionId=1009&awEpisodeId=922323 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. Mon, 02 Sep 2013 11:05:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-09-02-brainstuff-inkjet.mp3 podcast@howstuffworks.com (BrainStuff) no inkjet printers, Marshall Brain, brainstuff, howstuffworks 00:04:02 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 What does the VTEC system do? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-30-brainstuff-vtec.mp3?awCollectionId=1009&awEpisodeId=922324 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. Fri, 30 Aug 2013 13:28:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-30-brainstuff-vtec.mp3 podcast@howstuffworks.com (BrainStuff) no engines, VTEC, Variable Valve Timing and Lift Electronic Control, Marshall Brain, HowStuffWorks 00:04:45 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 How quickly does hair grow? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-28-brainstuff-hair-growth.mp3?awCollectionId=1009&awEpisodeId=922325 On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. Wed, 28 Aug 2013 11:41:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-28-brainstuff-hair-growth.mp3 podcast@howstuffworks.com (BrainStuff) no hair growth, human hair, Marshall Brain, brainstuff, howstuffworks 00:03:38 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 How do gun silencers work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-26-brainstuff-gun-silencer.mp3?awCollectionId=1009&awEpisodeId=922326 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. Mon, 26 Aug 2013 08:39:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-26-brainstuff-gun-silencer.mp3 podcast@howstuffworks.com (BrainStuff) no gun silencer, firearms, Marshall Brain, howstuffworks, brainstuff 00:04:17 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 How do exhaust headers work to improve an engine's performance? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-16-brainstuff-exhaust-headers.mp3?awCollectionId=1009&awEpisodeId=922327 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. Fri, 16 Aug 2013 12:38:01 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-16-brainstuff-exhaust-headers.mp3 podcast@howstuffworks.com (BrainStuff) no exhaust headers, engines, engine performance, car exhaust, Marshall Brain, howstuffworks 00:04:40 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 What causes high tide and low tide? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-09-brainstuff-tides.mp3?awCollectionId=1009&awEpisodeId=922328 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, 09 Aug 2013 12:46:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-09-brainstuff-tides.mp3 podcast@howstuffworks.com (BrainStuff) no tides, high tide, low tide, gravitational pull, magnetic force, oceans, earth, Marshall Brain, brainstuff 00:04:07 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 Why doesn't the space shuttle burn up upon re-entry? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-05-brainstuff-meteror-re-entry.mp3?awCollectionId=1009&awEpisodeId=922329 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, 05 Aug 2013 14:26:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-05-brainstuff-meteror-re-entry.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, meteors, space shuttle, howstuffworks, brainstuff 00:04:37 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 What is fertilizer, and why do plants need it? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-08-02-brainstuff-fertilizer.mp3?awCollectionId=1009&awEpisodeId=922330 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. Fri, 02 Aug 2013 12:14:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-08-02-brainstuff-fertilizer.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, agriculture, fertilizer, chemical; elements, howstuffworks, brainstuff 00:05:05 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 How do the engines breathe in diesel submarines? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-07-31-brainstuff-diesel-sub.mp3?awCollectionId=1009&awEpisodeId=922331 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. Wed, 31 Jul 2013 09:43:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-07-31-brainstuff-diesel-sub.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, diesel sub, hybrid vehicles, hybrids, brainstuff, howstuffworks 00:04:04 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. HowStuffWorks What is a tank engine? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-07-15-brainstuff-thomas.mp3?awCollectionId=1009&awEpisodeId=922332 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. Mon, 15 Jul 2013 10:34:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-07-15-brainstuff-thomas.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, tank engines, Thomas the Tank, locomotives, trains, howstuffworks 00:04:33 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 What exactly is a blueprint? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-07-12-brainstuff-blueprints.mp3?awCollectionId=1009&awEpisodeId=922333 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, 12 Jul 2013 15:41:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-07-12-brainstuff-blueprints.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, blueprints, blueprinting, architechture, design 00:05:18 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 How does a chicken's egg get its shell? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-07-10-brainstuff-egg-shells.mp3?awCollectionId=1009&awEpisodeId=922334 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. Wed, 10 Jul 2013 12:26:26 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-07-10-brainstuff-egg-shells.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, egg shells, eggshell formation, chicken eggs, howstuffworks, 00:03:59 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 Where do bullets go when guns are fired into the air? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-06-19-brainstuff-bullets-in-air.mp3?awCollectionId=1009&awEpisodeId=922335 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. Wed, 19 Jun 2013 09:53:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-06-19-brainstuff-bullets-in-air.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, bullets, howstuffworks, brainstuff, guns 00:04:03 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 How does pressure-treated lumber work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-06-17-brainstuff-pressure-treated.mp3?awCollectionId=1009&awEpisodeId=922336 organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. Mon, 17 Jun 2013 09:16:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-06-17-brainstuff-pressure-treated.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, pressure treated lumber, brainstuff, howstuffworks 00:05:10 organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. HowStuffWorks How do Mexican jumping beans work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-06-14-brainstuff-mexican-jumping-beans.mp3?awCollectionId=1009&awEpisodeId=922337 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, 12 Jun 2013 15:57:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-06-14-brainstuff-mexican-jumping-beans.mp3 podcast@howstuffworks.com (BrainStuff) no Mexican jumping beans, howstuffworks, marshall brain 00:04:21 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 How does a hybrid car work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-06-12-brainstuff-hybrid-car.mp3?awCollectionId=1009&awEpisodeId=922338 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, 12 Jun 2013 15:34:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-06-12-brainstuff-hybrid-car.mp3 podcast@howstuffworks.com (BrainStuff) no hybrid cars, howstuffworks, Marshall Brain, gas motor, electric motor 00:05:53 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 What makes NASCAR engines different from other engines? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-29-brainstuff-nascar-engines.mp3?awCollectionId=1009&awEpisodeId=922340 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. Tue, 28 May 2013 13:19:05 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-29-brainstuff-nascar-engines.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks, NASCAR, engines 00:07:22 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 How does an Indiglo watch work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-31-brainstuff-indiglo.mp3?awCollectionId=1009&awEpisodeId=922339 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. Tue, 28 May 2013 14:55:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-31-brainstuff-indiglo.mp3 podcast@howstuffworks.com (BrainStuff) no Marshall Brain, HowStuffWorks, Indiglo, electroluminescence 00:04:50 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 How do torpedo engines work if they're underwater? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-27-brainstuff-torpedo-engine.mp3?awCollectionId=1009&awEpisodeId=922341 Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff. Mon, 27 May 2013 13:38:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-27-brainstuff-torpedo-engine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall brain, torpedo engines, propulsion, operate underwater, how do torpedo engines work 00:04:46 Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff. HowStuffWorks How does a Crooke's radiometer work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-24-brainstuff-crookes-radiometer.mp3?awCollectionId=1009&awEpisodeId=922342 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. Thu, 23 May 2013 11:21:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-24-brainstuff-crookes-radiometer.mp3 podcast@howstuffworks.com (BrainStuff) no cooke, radiometer, marshall, howstuffworks 00:04:08 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 Why is Friday the 13th considered unlucky? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-22-brainstuff-friday-the-13th.mp3?awCollectionId=1009&awEpisodeId=922343 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. Wed, 22 May 2013 11:31:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-22-brainstuff-friday-the-13th.mp3 podcast@howstuffworks.com (BrainStuff) no marshall, brain, howstuffworks, friday, 13th, unlucky 00:06:57 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 What's the best way to back up a computer's hard disk? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-03-brainstuff-backup-hard-disk.mp3?awCollectionId=1009&awEpisodeId=922344 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. Fri, 03 May 2013 16:18:40 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-03-brainstuff-backup-hard-disk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, hard disk, back up hard disk, computer storage, software, how to save your hard drive 00:08:47 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 How does bulletproof glass work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-05-01-brainstuff-bulletproof-glass.mp3?awCollectionId=1009&awEpisodeId=922345 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. Wed, 01 May 2013 18:04:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-05-01-brainstuff-bulletproof-glass.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, bulletproof glass, how bulletproof glass 00:05:34 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 What does tear gas do? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-04-29-brainstuff-tear-gas.mp3?awCollectionId=1009&awEpisodeId=922346 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. Mon, 29 Apr 2013 16:46:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-04-29-brainstuff-tear-gas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, tear gas, mace, how tear gas works 00:03:53 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 What are the fastest hard disks available today? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-04-24-brainstuff-fastest-hard-disk.mp3?awCollectionId=1009&awEpisodeId=922347 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. Wed, 24 Apr 2013 14:56:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-04-24-brainstuff-fastest-hard-disk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall brain, hard disk drives, fastest disk drive, fastest hard disk, computers, computer disks 00:05:06 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 Why should you wash new clothes before wearing them? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-04-05-brainstuff-wash-new-clothes.mp3?awCollectionId=1009&awEpisodeId=922348 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. Fri, 05 Apr 2013 17:12:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-04-05-brainstuff-wash-new-clothes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall brain, wash before wearing, wash new clothes, wash separately 00:04:47 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 How cell phones work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-03-15-brainstuff-cell-phone.mp3?awCollectionId=1009&awEpisodeId=922349 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. Fri, 15 Mar 2013 16:21:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-03-15-brainstuff-cell-phone.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, cell phone, cell phones, telecommunications, phones, telephony, wireless communication 00:06:21 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 How does a toaster work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-03-13-brainstuff-toaster.mp3?awCollectionId=1009&awEpisodeId=922350 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. Wed, 13 Mar 2013 13:22:48 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-03-13-brainstuff-toaster.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, toaster, toasting, bread, nutrition, cooking, toast, how a toaster works 00:07:10 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 Why do most cars use gasoline instead of diesel? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-03-08-brainstuff-diesel.mp3?awCollectionId=1009&awEpisodeId=922351 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. Fri, 08 Mar 2013 13:13:34 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-03-08-brainstuff-diesel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, gasoline, diesel engine, automobiles, diesel, fuel 00:05:47 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 How does Caller ID work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-03-04-brainstuff-caller-id.mp3?awCollectionId=1009&awEpisodeId=922352 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, 04 Mar 2013 16:24:02 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-03-04-brainstuff-caller-id.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, caller id, cell phones, telephony, telephone lines, telecoms, communication 00:05:27 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 Where did the hamburger get its name? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-02-01-brainstuff-hamburger.mp3?awCollectionId=1009&awEpisodeId=922353 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, 01 Feb 2013 14:44:32 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-02-01-brainstuff-hamburger.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, hamburger, food history, invention of hamburger, food 00:04:39 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 What gives a Harley its distinctive sound? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-28-brainstuff-harley-sound.mp3?awCollectionId=1009&awEpisodeId=922354 A Harley Davidson motorcycle emits a very distinctive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. Mon, 28 Jan 2013 15:05:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-28-brainstuff-harley-sound.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, harley sound, motorcycle, engines, biking, auto, engineering 00:05:24 A Harley Davidson motorcycle emits a very distinctive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. HowStuffWorks Does drinking ice water burn calories? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-18-brainstuff-ice-water-calories.mp3?awCollectionId=1009&awEpisodeId=922355 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, 18 Jan 2013 15:52:08 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-18-brainstuff-ice-water-calories.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, ice water, burn calories, health, weight loss, diet 00:04:51 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 What is the problem with MTBE in gasoline? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-14-brainstuff-mtbe.mp3?awCollectionId=1009&awEpisodeId=922356 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. Mon, 14 Jan 2013 14:21:44 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-14-brainstuff-mtbe.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, mtbe, methyl tertiary butyl ether, gasoline, fuel, gas additive 00:04:40 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 Why does a manual transmission make a whirring noise? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-09-brainstuff-manual-transmission-whir.mp3?awCollectionId=1009&awEpisodeId=922357 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. Wed, 09 Jan 2013 13:56:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-09-brainstuff-manual-transmission-whir.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, manual transmission, automotive, engines, transmission, car car, auto, carstuff 00:05:06 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 What is the Strategic Petroleum Reserve? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-07-brainstuff-petroleum-reserve.mp3?awCollectionId=1009&awEpisodeId=922358 The Strategic Petroleum Reserve is the world's largest emergency oil stockpile. But why do we have it? Where do we keep it? Find out why the United States created this reserve and where the oil is stored in this episode. Mon, 07 Jan 2013 13:18:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-07-brainstuff-petroleum-reserve.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, petroleum reserve, strategic petroleum reserve, oil, us oil, fossil fuels 00:05:09 The Strategic Petroleum Reserve is the world's largest emergency oil stockpile. But why do we have it? Where do we keep it? Find out why the United States created this reserve and where the oil is stored in this episode. HowStuffWorks How does the Radio Data System work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2013-01-04-brainstuff-rds.mp3?awCollectionId=1009&awEpisodeId=922359 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. Fri, 04 Jan 2013 11:47:41 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2013-01-04-brainstuff-rds.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, radio data system, rds, song titles, audio visual technology, car radio 00:04:37 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 How does residential real estate work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-12-19-brainstuff-real-estate.mp3?awCollectionId=1009&awEpisodeId=922360 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. Wed, 19 Dec 2012 14:34:25 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-12-19-brainstuff-real-estate.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, residential real estate, real estate, realty, realtor, condo, mobile home, housing 00:07:54 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 How does the public option work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-12-10-brainstuff-public-option.mp3?awCollectionId=1009&awEpisodeId=922361 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. Mon, 10 Dec 2012 17:17:11 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-12-10-brainstuff-public-option.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, public option, health insurance, legislation, healthcare 00:07:21 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 How can the grass on a golf course green be so perfect? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-12-07-brainstuff-golf-green-final.mp3?awCollectionId=1009&awEpisodeId=922362 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. Fri, 07 Dec 2012 15:39:19 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-12-07-brainstuff-golf-green-final.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, golf green, landscaping, lawn care, sports, lawn maintenance 00:04:50 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 Why do they add iodine to salt? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-11-30-brainstuff-iodine.mp3?awCollectionId=1009&awEpisodeId=922363 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. Fri, 30 Nov 2012 11:53:52 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-11-30-brainstuff-iodine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, iodine, thyroid, health, chemistry, nacl, table salt, salt 00:05:12 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 What does RSVP mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-11-14-brainstuff-rsvp.mp3?awCollectionId=1009&awEpisodeId=922364 Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters represent? Learn more about the origins and practices of etiquette in this episode of BrainStuff. Wed, 14 Nov 2012 12:49:07 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-11-14-brainstuff-rsvp.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, rsvp, etiquette, manners, behavior, etymology, parties 00:05:47 Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters represent? Learn more about the origins and practices of etiquette in this episode of BrainStuff. HowStuffWorks How does gravity work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-10-24-brainstuff-gravity.mp3?awCollectionId=1009&awEpisodeId=922365 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. Wed, 24 Oct 2012 15:20:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-10-24-brainstuff-gravity.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, marshall, gravity, physics, time and space, gravitational force, g force 00:05:05 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 Why is there a small hole on the top of spray can lids? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-10-22-brainstuff-spray-can-lid.mp3?awCollectionId=1009&awEpisodeId=922366 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. Mon, 22 Oct 2012 17:47:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-10-22-brainstuff-spray-can-lid.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, spray can lid, propellant, air pressure 00:03:55 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 Why doesn’t the vacuum of space suck away Earth’s atmosphere? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-10-01-brainstuff-vacuum.mp3?awCollectionId=1009&awEpisodeId=922368 It's often said that "nature abhors 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. Mon, 01 Oct 2012 16:22:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-10-01-brainstuff-vacuum.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, vaccuum, space, earth, atmosphere, outer space, gravity, 00:05:24 It's often said that "nature abhors 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 How Replacing Toilets Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-09-28-brainstuff-replace-toilets.mp3?awCollectionId=1009&awEpisodeId=922369 A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons 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. Fri, 28 Sep 2012 13:05:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-09-28-brainstuff-replace-toilets.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, replace toilet, home repair, diy, plumbing, toilet replacement 00:03:44 A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons 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 What do those plastic recycling symbols mean? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-09-21-brainstuff-plastic-recycling.mp3?awCollectionId=1009&awEpisodeId=922370 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. Fri, 21 Sep 2012 13:10:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-09-21-brainstuff-plastic-recycling.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, plastic, recycling, recycling plastic, chemisty, recycling symbol, green 00:04:32 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 How does a Fresnel lens work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-09-17-brainstuff-fresnel-lens.mp3?awCollectionId=1009&awEpisodeId=922371 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. Mon, 17 Sep 2012 14:51:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-09-17-brainstuff-fresnel-lens.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fresnel lens, magnifying lens, lens, optics 00:04:03 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 What makes your arms, legs and feet fall asleep? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-08-31-brainstuff-falling-asleep.mp3?awCollectionId=1009&awEpisodeId=922373 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. Fri, 31 Aug 2012 13:33:33 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-08-31-brainstuff-falling-asleep.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, arms and legs fall asleep, anatomy, circulation, science 00:05:26 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 Why is the Nissan Leaf such a big deal? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-08-27-brainstuff-nissan-leaf.mp3?awCollectionId=1009&awEpisodeId=922374 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. Mon, 27 Aug 2012 10:57:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-08-27-brainstuff-nissan-leaf.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, nissan leaf, electric vehicle, alternative fuel, electric car 00:07:25 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 Time Stands Still http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-27-brainstuff-time-stands-still.mp3?awCollectionId=1009&awEpisodeId=922375 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. Fri, 27 Jul 2012 10:56:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-20-brainstuff-brake-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, time, chronology, time travel, stop time 00:04:50 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 What do the brake warning lights mean in my car? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-20-brainstuff-brake-light.mp3?awCollectionId=1009&awEpisodeId=922376 The brake warning lights in your car light up as part of a routine test. When they stay on, they indicate that there's something wrong with your brake system. Learn more about brake warning lights in this episode. Fri, 20 Jul 2012 13:06:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-20-brainstuff-brake-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, brake warning light, driving, lights, dashboard 00:04:28 The brake warning lights in your car light up as part of a routine test. 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 How much does 20-pound bond paper weigh? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-18-brainstuff-20-pound-bond-paper.mp3?awCollectionId=1009&awEpisodeId=922377 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, 18 Jul 2012 13:45:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-18-brainstuff-20-pound-bond-paper.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, 20 pound bond paper, paper, paper weight 00:04:25 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 Why do some doors open inward and some open outward? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-08-30-brainstuff-door-opening-direction.mp3?awCollectionId=1009&awEpisodeId=922378 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. Fri, 13 Jul 2012 15:06:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-06-brainstuff-waves.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, door opening, push versus pull 00:05:18 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 How does Christmas work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-09-brainstuff-christmas.mp3?awCollectionId=1009&awEpisodeId=922379 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. Mon, 09 Jul 2012 11:27:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/smnty/2012-07-09-smnty-summer-shorts-camp.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, christmas, holiday, evolution of christmas, santa claus 00:07:43 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 Why are West Coast waves bigger than East Coast waves? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-06-brainstuff-waves.mp3?awCollectionId=1009&awEpisodeId=922380 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. Fri, 06 Jul 2012 12:30:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-06-brainstuff-waves.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, waves, weather, tides, west coast, east coast 00:06:06 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 What is a T1 line and how does it work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-07-04-brainstuff-t1-line.mp3?awCollectionId=1009&awEpisodeId=922381 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, 04 Jul 2012 13:24:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-07-04-brainstuff-t1-line.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, fiber optic, t1, communication, cable, copper cable 00:04:58 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 How do you decaffeinate coffee and tea? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-29-brainstuff-decaff.mp3?awCollectionId=1009&awEpisodeId=922382 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. Fri, 29 Jun 2012 14:46:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-29-brainstuff-decaff.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, decaffeinated coffee, caffeine, decaffeination 00:06:05 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 How do Voyager 1 and 2 transmit messages from far away? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-27-brainstuff-voyager.mp3?awCollectionId=1009&awEpisodeId=922383 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. Wed, 27 Jun 2012 12:13:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-27-brainstuff-voyager.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, voyager 1, voyager 2, space exploration, radio messages, deep space 00:04:57 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 Do Power Balance Wristbands really work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-22-brainstuff-power-balance.mp3?awCollectionId=1009&awEpisodeId=922384 Do Power Balance Wristbands really work? Find out in this BrainStuff podcast by Marshall Brain. Fri, 22 Jun 2012 15:46:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-22-brainstuff-power-balance.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, power balance, health, medicine, pseudo-science, scams 00:07:15 Do Power Balance Wristbands really work? Find out in this BrainStuff podcast by Marshall Brain. HowStuffWorks What's the most efficient way to mow your yard? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-13-brainstuff-lawn-effiency.mp3?awCollectionId=1009&awEpisodeId=922385 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. Wed, 13 Jun 2012 14:33:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-13-brainstuff-lawn-effiency.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, lawn, lawn care, efficiency, mowing, lawn mower 00:04:39 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 How does disk defragmentation work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-06-brainstuff-disk-defrag.mp3?awCollectionId=1009&awEpisodeId=922387 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. Wed, 06 Jun 2012 15:33:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-06-brainstuff-disk-defrag.mp3 podcast@howstuffworks.com (BrainStuff) no 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, how stuff works, marshall, disk defragmentation, computer, hard drive maintenance 00:05:38 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 How do space mirrors work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-06-01-brainstuff-space-mirrors.mp3?awCollectionId=1009&awEpisodeId=922388 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. Fri, 01 Jun 2012 09:07:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-06-01-brainstuff-space-mirrors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, space mirrors, global warming, technology, innovation 00:04:05 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 Why do newspapers turn yellow over time? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-05-21-brainstuff-paper-yellow.mp3?awCollectionId=1009&awEpisodeId=922389 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. Mon, 21 May 2012 15:19:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2012-05-21-brainstuff-paper-yellow.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, marshall, newspaper, chemistry, newsprint 00:05:00 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 Why do eggs turn hard when you boil them? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-05-11-brainstuff-hard-boiled-eggs.mp3?awCollectionId=1009&awEpisodeId=922390 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 00:05:17 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 How do you add a USB device if you've run out of ports? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-27-brainstuff-usb-hubs-audible.mp3?awCollectionId=1009&awEpisodeId=922391 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 00:05:40 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 What is an autograph worth? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-23-brainstuff-autographs.mp3?awCollectionId=1009&awEpisodeId=922392 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 00:06:22 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 What are electrolytes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-20-brainstuff-electrolytes.mp3?awCollectionId=1009&awEpisodeId=922393 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 00:04:49 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 Why do most zippers say 'YKK' on the pull-tab? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-13-brainstuff-ykk.mp3?awCollectionId=1009&awEpisodeId=922394 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 00:04:16 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 How much coal does a light bulb need to run for a year? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-09-brainstuff-coal-bulb.mp3?awCollectionId=1009&awEpisodeId=922396 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 00:05:11 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 What is mayonnaise? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-06-brainstuff-mayo.mp3?awCollectionId=1009&awEpisodeId=922397 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 00:07:19 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 Is there an easy way to understand how time zones work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-04-04-brainstuff-time-zones.mp3?awCollectionId=1009&awEpisodeId=922398 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 00:07:37 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 Can picking a movie theater get any more complicated? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-03-19-brainstuff-movie-theaters.mp3?awCollectionId=1009&awEpisodeId=922399 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 00:06:14 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 How does emergency preparedness work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-03-16-brainstuff-emergency-preparedness.mp3?awCollectionId=1009&awEpisodeId=922400 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 00:06:44 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 Why can biting on aluminum foil be painful? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-02-08-brainstuff-aluminum-foil-teeth.mp3?awCollectionId=1009&awEpisodeId=922401 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 00:04:32 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 How does WikiLeaks work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-01-27-brainstuff-wikileaks.mp3?awCollectionId=1009&awEpisodeId=922402 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 00:06:46 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 Are all blood types needed for donation? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2012-01-18-brainstuff-blood-types.mp3?awCollectionId=1009&awEpisodeId=922403 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 00:06:45 In this episode, Marshall explains how proteins determine your blood type -- and why blood types must match for blood transfusions to be successful. HowStuffWorks Japan's Nuclear Problem http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-28-brainstuff-japan-nuclear-problem.mp3?awCollectionId=1009&awEpisodeId=922404 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 00:12:32 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 What does a gigabyte of internet access really cost? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-23-brainstuff-internet-bandwidth-cost.mp3?awCollectionId=1009&awEpisodeId=922405 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, 00:11:04 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 Which 4G services are available in the U.S. today? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-21-brainstuff-4g-phone-systems-us.mp3?awCollectionId=1009&awEpisodeId=922406 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 00:04:49 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 Why is a cell phone called a cell phone? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-19-brainstuff-cell-phones.mp3?awCollectionId=1009&awEpisodeId=922407 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 00:07:12 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 How does the oxygen sensor in a car work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-14-brainstuff-oxygen-sensor.mp3?awCollectionId=1009&awEpisodeId=922408 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 00:04:29 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 Why can I play some DVDs, but not others? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-12-02-brainstuff-dvd-regions.mp3?awCollectionId=1009&awEpisodeId=922409 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 00:04:18 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 How do CD-R discs work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-11-30-brainstuff-cd-r-disk-audible.mp3?awCollectionId=1009&awEpisodeId=922410 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 00:05:25 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 Is chocolate poisonous to dogs? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-11-16-brainstuff-chocolate-poisoning.mp3?awCollectionId=1009&awEpisodeId=922411 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 00:04:20 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 How can there be seedless grapes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-11-14-brainstuff-seedless-grapes.mp3?awCollectionId=1009&awEpisodeId=922412 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 00:03:51 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 How do self-driving cars work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-10-24-brainstuff-self-driving-cars.mp3?awCollectionId=1009&awEpisodeId=922413 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 00:08:08 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 How do British royal titles work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-10-07-brainstuff-royal-titles.mp3?awCollectionId=1009&awEpisodeId=922414 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 00:07:21 In this episode of BrainStuff, Marshall Brain gives a detailed explanation of how British royal titles work. HowStuffWorks Why do they include jokers in a deck of playing cards? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-10-03-brainstuff-joker.mp3?awCollectionId=1009&awEpisodeId=922415 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 00:03:47 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 What is dynamite? How does it work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-09-28-brainstuff-dynamite.mp3?awCollectionId=1009&awEpisodeId=922416 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 00:04:23 Dynamite is a type of chemical explosive. Discover how explosives from gasoline to dynamite work in this episode of BrainStuff. HowStuffWorks Why is dry ice dangerous? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-09-26-brainstuff-dry-ice-dangerous.mp3?awCollectionId=1009&awEpisodeId=922417 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 00:03:40 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 How can a car get 100 MPG? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-09-05-brainstuff-car-get-100-mpg.mp3?awCollectionId=1009&awEpisodeId=922418 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 00:06:55 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 How Jelly, Jam and Preserves Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-09-02-brainstuff-jelly.mp3?awCollectionId=1009&awEpisodeId=922419 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 00:03:47 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 What happens when you press Alt and F4? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-08-26-brainstuff-alt-f4-key.mp3?awCollectionId=1009&awEpisodeId=922420 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, 00:04:10 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 Where's the best place to sit in a movie theater? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-08-22-brainstuff-best-movie-seat.mp3?awCollectionId=1009&awEpisodeId=922421 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 00:04:27 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 Why is bamboo suddenly appearing in so many products? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-08-15-brainstuff-bamboo.mp3?awCollectionId=1009&awEpisodeId=922422 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 00:06:55 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 How Internet Cookies Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-08-03-brainstuff-cookies.mp3?awCollectionId=1009&awEpisodeId=922423 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 00:04:42 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 How does making bread work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-08-01-brainstuff-bread.mp3?awCollectionId=1009&awEpisodeId=922424 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 00:03:26 Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. HowStuffWorks How does the ball return work on a pool table? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-07-29-brainstuff-pool-ball-return.mp3?awCollectionId=1009&awEpisodeId=922425 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 00:05:52 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 How do a zebra's stripes act as camoflauge? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-07-27-brainstuff-zebra-stripes.mp3?awCollectionId=1009&awEpisodeId=922426 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 00:05:32 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 How the Lightsaber Effect Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-07-18-brainstuff-light-saber.mp3?awCollectionId=1009&awEpisodeId=922427 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 00:03:54 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 What type of gas do race cars use? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-07-13-brainstuff-race-gas.mp3?awCollectionId=1009&awEpisodeId=922428 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 00:03:34 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 How Calorie Meters Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-06-24-brainstuff-calorie-meters.mp3?awCollectionId=1009&awEpisodeId=922429 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 00:04:02 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 What are hot dogs made from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-06-22-brainstuff-hot-dogs.mp3?awCollectionId=1009&awEpisodeId=922430 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 00:04:06 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 How much fuel does an airplane use for a trip? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-06-10-brainstuff-airplane-mileage.mp3?awCollectionId=1009&awEpisodeId=922431 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 00:03:47 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 How Contrails Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-06-01-brainstuff-contrail.mp3?awCollectionId=1009&awEpisodeId=922432 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, 00:04:10 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 How big does a meteor have to be to reach the ground? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-05-27-brainstuff-meteors.mp3?awCollectionId=1009&awEpisodeId=922433 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 00:07:01 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 Is there any way to see orbiting satellites? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-05-25-brainstuff-see-satellite.mp3?awCollectionId=1009&awEpisodeId=922434 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 00:03:55 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 Marshall Brain's News Roundup: May 6th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-05-06-brainstuff-news-roundup-14.mp3?awCollectionId=1009&awEpisodeId=922436 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 00:16:25 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 Marshall Brain's News Roundup: April 29th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-29-brainstuff-news-roundup-13.mp3?awCollectionId=1009&awEpisodeId=922437 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, 00:14:06 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 Marshall Brain's News Roundup: April 22nd, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-22-brainstuff-news-roundup-12.mp3?awCollectionId=1009&awEpisodeId=922438 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 00:18:41 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 Marshall Brain's News Roundup: April 15th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-15-brainstuff-news-roundup-11.mp3?awCollectionId=1009&awEpisodeId=922439 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 00:19:07 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 Marshall Brain's News Roundup: April 7th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-08-brainstuff-news-roundup-10.mp3?awCollectionId=1009&awEpisodeId=922440 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 00:16:17 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 How many people does it take to do a Formula 1 pit stop? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-06-brainstuff-7-second-pit-stop.mp3?awCollectionId=1009&awEpisodeId=922441 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 00:05:15 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 Marshall Brain's News Roundup: April 1st, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-04-01-brainstuff-news-update-9.mp3?awCollectionId=1009&awEpisodeId=922442 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 00:14:14 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 Marshall Brain's News Roundup: March 25th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-03-25-brainstuff-news-roundup-8.mp3?awCollectionId=1009&awEpisodeId=922443 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 00:18:08 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 Marshall Brain's News Roundup: March 18th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-03-18-brainstuff-news-roundup-7.mp3?awCollectionId=1009&awEpisodeId=922444 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 00:15:30 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 Marshall Brain's News Roundup: March 4th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-03-04-brainstuff-news-roundup-5.mp3?awCollectionId=1009&awEpisodeId=922445 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 00:17:05 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 Marshall Brain's News Roundup: February 25th, 2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-02-25-brainstuff-news-roundup-4.mp3?awCollectionId=1009&awEpisodeId=922446 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 00:18:54 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 Marshall Brain's News Roundup 2-18-2011 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-02-18-brainstuff-news-roundup-3.mp3?awCollectionId=1009&awEpisodeId=922447 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 00:16:17 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 Marshall Brain's News Roundup No. 2 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-02-11-brainstuff-news-roundup-2.mp3?awCollectionId=1009&awEpisodeId=922448 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 00:22:04 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 Marshall Brain's News Roundup No. 1 http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-02-04-brainstuff-news-roundup-1.mp3?awCollectionId=1009&awEpisodeId=922449 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 00:13:56 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 Anti-reflective Coatings http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-01-17-brainstuff-anti-reflective-coating.mp3?awCollectionId=1009&awEpisodeId=922395 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 00:05:57 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 What is the coolest stuff from the 2011 edition of CES? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2011-01-10-brainstuff-ces-2011.mp3?awCollectionId=1009&awEpisodeId=922450 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 00:10:02 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 What is a cyberwar, and what tactics do cyber warriors use? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-12-20-brainstuff-cyber-warfare.mp3?awCollectionId=1009&awEpisodeId=922451 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 00:07:11 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 Is it possible to get free land and free houses in the U.S.? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-12-17-brainstuff-free-land.mp3?awCollectionId=1009&awEpisodeId=922452 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 00:07:51 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 Is there a way to make my sunglasses scratch-resistant? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-12-06-brainstuff-scratch-resist-coating.mp3?awCollectionId=1009&awEpisodeId=922453 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 00:05:04 Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work. HowStuffWorks how does a direct-injection 2-stroke engine work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-11-22-brainstuff-direct-injection-2-stroke.mp3?awCollectionId=1009&awEpisodeId=922144 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 00:07:44 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 How did instant cameras work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-10-15-brainstuff-instant-film.mp3?awCollectionId=1009&awEpisodeId=922454 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 00:08:42 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 What is a Nor'easter? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-09-24-brainstuff-noreaster.mp3?awCollectionId=1009&awEpisodeId=922455 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 00:05:06 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 How do they backlight LCD screens? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-08-23-brainstuff-lcd-backlight.mp3?awCollectionId=1009&awEpisodeId=922456 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 00:06:16 In this episode, Marshall explains the two technologies that are used to backlight LCD panels. HowStuffWorks What exactly is jello made from? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-07-21-brainstuff-jello.mp3?awCollectionId=1009&awEpisodeId=922457 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 00:06:58 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 What's the best way to get Twitter or Facebook followers? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-05-26-brainstuff-twitter.mp3?awCollectionId=1009&awEpisodeId=922458 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 00:04:34 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 When I pay for groceries by check, where does that check go? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-05-14-brainstuff-checks.mp3?awCollectionId=1009&awEpisodeId=922459 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 00:06:50 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 Is it harmful to breathe 100 percent oxygen? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-05-03-brainstuff-oxygen.mp3?awCollectionId=1009&awEpisodeId=922386 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 00:06:25 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 how do I know if my catalytic converter has failed? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-04-09-brainstuff-failed-catalytic-converter.mp3?awCollectionId=1009&awEpisodeId=922202 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 00:04:59 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 How do blimps work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-02-15-brainstuff-blimps.mp3?awCollectionId=1009&awEpisodeId=922460 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 00:06:54 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 How does a gas pump know when the fuel tank is full? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2010-01-20-brainstuff-gas-pump.mp3?awCollectionId=1009&awEpisodeId=922461 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? 00:03:58 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 How does the Nobel Prize work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-12-21-brainstuff-nobel-prize.mp3?awCollectionId=1009&awEpisodeId=922462 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 00:03:56 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 How do satellites orbit the Earth? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-11-23-brainstuff-orbit.mp3?awCollectionId=1009&awEpisodeId=922435 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 00:05:29 In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. HowStuffWorks How do they measure sea level? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-10-26-brainstuff-sea-level.mp3?awCollectionId=1009&awEpisodeId=922463 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 00:06:01 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. HowStuffWorks How do herbicides like Roundup work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-10-21-brainstuff-roundup.mp3?awCollectionId=1009&awEpisodeId=922464 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 00:04:26 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 Can grilling meat really cause cancer? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-23-brainstuff-meat-cancer.mp3?awCollectionId=1009&awEpisodeId=922465 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. Mon, 23 Mar 2009 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237580730804hsw-brainstuff-meat-cancer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, cancer, grilling, meat, polycyclic aromatic hydrocarbons, benzene rings, heat, chemical 00:04:07 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 How long can a germ live in a room? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-16-brainstuff-germ-life.mp3?awCollectionId=1009&awEpisodeId=922466 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. Mon, 16 Mar 2009 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236974289713hsw-brainstuff-germ-life.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, germ, type, infectious, virus, bacterium, smallpox, anthrax, AIDS, hepatitis, syphilis 00:03:53 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 How do fog machines work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-13-brainstuff-fog-machine.mp3?awCollectionId=1009&awEpisodeId=922467 There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. Fri, 13 Mar 2009 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367805071hsw-brainstuff-fog-machine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, fog machine, how do fog machines work, fog, dry ice 00:03:36 There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. HowStuffWorks Are florescent bulbs really more efficient? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-09-brainstuff-bulb-efficiency.mp3?awCollectionId=1009&awEpisodeId=922468 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. Mon, 09 Mar 2009 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367688262hsw-brainstuff-bulb-efficiency.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, florescent lightbulb, light bulb efficiency 00:03:10 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 How Car Thermostats Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-06-brainstuff-car-themostat.mp3?awCollectionId=1009&awEpisodeId=922469 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. Fri, 06 Mar 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236194037623hsw-brainstuff-car-themostat.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, car thermostat, car temperature, automobile thermostat 00:04:04 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 Why can boats float on water? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-04-brainstuff-boat-float.mp3?awCollectionId=1009&awEpisodeId=922470 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. Wed, 04 Mar 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236022322232hsw-brainstuff-boat-float.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, boat float, how do boats float? 00:05:02 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 How the Virtual First-Down Line Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-03-02-brainstuff-first-down-line1.mp3?awCollectionId=1009&awEpisodeId=922471 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. Mon, 02 Mar 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235753277550hsw-brainstuff-first-down-line1.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, virtual first down line, first down, football 00:05:23 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 What is dioxin? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-02-25-brainstuff-dioxin.mp3?awCollectionId=1009&awEpisodeId=922472 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. Wed, 25 Feb 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235160624439hsw-brainstuff-dioxin.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dioxin, agent orange, DDT, toxic chemicals, dioxin toxicity 00:04:19 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 How Activated Charcoal Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-02-20-brainstuff-activated-charcoal.mp3?awCollectionId=1009&awEpisodeId=922473 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. Fri, 20 Feb 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235069164274hsw-brainstuff-activated-charcoal.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, charcoal water filter, activated charcoal, charcoal filtration 00:03:54 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 How does SETI at home work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-02-11-brainstuff-seti.mp3?awCollectionId=1009&awEpisodeId=922474 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. Wed, 11 Feb 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234282130011hsw-brainstuff-seti.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, seti, satellite, SETI at home 00:05:39 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 What is silica gel? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-02-02-brainstuff-silica-gel.mp3?awCollectionId=1009&awEpisodeId=922475 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. Mon, 02 Feb 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233335661445hsw-brainstuff-silica-gel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, silica gel, desiccant 00:03:43 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 Why doesn't the vacuum of space suck away Earth's atmosphere? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2009-01-30-brainstuff-vacuum.mp3?awCollectionId=1009&awEpisodeId=922476 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. Fri, 30 Jan 2009 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233170887984hsw-brainstuff-vacuum.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, vacuum, space, brainstuff, atomspheric pressure, vacuum of space 00:04:50 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 How Vacuums Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-12-15-brainstuff-vacuum-balloon.mp3?awCollectionId=1009&awEpisodeId=922477 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. Mon, 15 Dec 2008 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835446293hsw-brainstuff-vacuum-balloon.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, brain stuff, howstuffworks, how stuff works, vacuum, ballon, vacuum balloon, helium balloon 00:03:57 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 What is an MRE? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-12-12-brainstuff-mre.mp3?awCollectionId=1009&awEpisodeId=922372 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. Fri, 12 Dec 2008 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835391429hsw-brainstuff-mre.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, brain stuff, howstuffworks, how stuff works, meal ready to eat, MRE, packaged food 00:03:26 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 How Polygraph Machines Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-12-03-brainstuff-polygraph.mp3?awCollectionId=1009&awEpisodeId=922478 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. Wed, 03 Dec 2008 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647492852hsw-brainstuff-polygraph.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, hsw, brain stuff, brainstuff, polygraph, lie detector 00:04:04 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 How much fuel does an international airplane use for a trip? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-11-21-brainstuff-airplane-mileage.mp3?awCollectionId=1009&awEpisodeId=922479 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, 21 Nov 2008 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034227768hsw-brainstuff-airplane-mileage.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, airplane mileage, airplane, aircraft, airplane fuel 00:03:35 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 What are MP3 files and how do they work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-11-19-brainstuff-mp3.mp3?awCollectionId=1009&awEpisodeId=922026 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. Wed, 19 Nov 2008 13:00:00 -0500 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034165326hsw-brainstuff-mp3.mp3 podcast@howstuffworks.com (BrainStuff) no brain stuff, brainstuff, mp3, electronic music, digital music, howstuffworks, how stuff works 00:04:07 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 Why do apples and potatoes turn brown when you slice them? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-10-10-brainstuff-brown-apples.mp3?awCollectionId=1009&awEpisodeId=922480 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. Fri, 10 Oct 2008 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354333116hsw-brainstuff-brown-apples.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, howstuffworks, how stuff works, brain stuff, potato, tomato 00:03:29 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 What is an anti-siphon valve? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-10-08-brainstuff-anti-siphon-valve.mp3?awCollectionId=1009&awEpisodeId=922481 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. Wed, 08 Oct 2008 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354270330hsw-brainstuff-anti-siphon-valve.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, howstuffworks, how stuff works, brain stuff, anti-siphon valve, antisiphon valve 00:05:23 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 How a GFCI outlet works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-10-03-brainstuff-gfci.mp3?awCollectionId=1009&awEpisodeId=922482 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. Fri, 03 Oct 2008 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222352862973hsw-brainstuff-gfci.mp3 podcast@howstuffworks.com (BrainStuff) no brainstuff, howstuffworks, how stuff works, brain stuff, electricity, outlet, gcfi 00:02:22 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 Could anti-lock brakes detect a flat? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-29-brainstuff-flat-tire.mp3?awCollectionId=1009&awEpisodeId=922483 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, 29 Sep 2008 12:00:00 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222094529762hsw-brainstuff-flat-tire.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, Anti-lock Braking System, rotation sensor, flat tire 00:04:17 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 How Gun Silencers Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-22-brainstuff-gun-silencer.mp3?awCollectionId=1009&awEpisodeId=922484 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. Mon, 22 Sep 2008 12:00:46 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976248685hsw-brainstuff-gun-silencer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, gunfire, silencer, gun silencer, firearm 00:04:01 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 How Heart Bypass Operations Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-19-brainstuff-heart-bypass.mp3?awCollectionId=1009&awEpisodeId=922485 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 Fri, 19 Sep 2008 12:00:46 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976296472hsw-brainstuff-heart-bypass.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, blood, artery, heart, heart attack, stroke, cholesterol 00:04:19 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 What is the difference between jelly jam and preserves? And What is Jello? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-12-brainstuff-jelly.mp3?awCollectionId=1009&awEpisodeId=922486 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, 12 Sep 2008 12:10:57 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641601912brainstuff-jelly.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, pectin, sugar, gelatin, fruit, jam, jelly, preserves 00:03:51 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 How children from the same parents look so different? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-08-brainstuff-child-variation.mp3?awCollectionId=1009&awEpisodeId=922487 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. Mon, 08 Sep 2008 12:12:57 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641337432brainstuff-child-variation.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, DNA, reproduction, chromosomes 00:04:32 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 How Catapults Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-05-brainstuff-catapult.mp3?awCollectionId=1009&awEpisodeId=922488 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. Fri, 05 Sep 2008 12:01:53 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846763709brainstuff-catapult.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, catapault, ballista, trebuchet 00:03:34 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 What does the computer in a car do? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-09-03-brainstuff-car-computer.mp3?awCollectionId=1009&awEpisodeId=922489 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. Wed, 03 Sep 2008 12:00:53 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846710985brainstuff-car-computer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, car computer, emissions, auto 00:03:17 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 How Water Softener Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-29-brainstuff-water-softner.mp3?awCollectionId=1009&awEpisodeId=922490 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. Fri, 29 Aug 2008 12:00:12 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754472999brainstuff-water-softner.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, water, ph, water softner, hard water 00:04:48 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 How Carbon Chains Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-27-brainstuff-carbon-chains.mp3?awCollectionId=1009&awEpisodeId=922491 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. Wed, 27 Aug 2008 12:00:12 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218755078914brainstuff-carbon-chains.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, brain stuff, fossil fuel, petroleum, carbon chain, hydrocarbon 00:04:54 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 Do the humps on camels hold water? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-25-brainstuff-camel-hump.mp3?awCollectionId=1009&awEpisodeId=922492 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. Mon, 25 Aug 2008 17:00:12 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754954781brainstuff-camel-hump.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, camel hump, adaptation 00:03:53 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 Why does Alka-Seltzer fizz? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-20-brainstuff-alka-seltzer.mp3?awCollectionId=1009&awEpisodeId=922493 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. Wed, 20 Aug 2008 12:00:26 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754536221brainstuff-alka-seltzer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, alka-seltzer, base, acid, chemistry 00:03:07 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 What causes the banging noise in my home's pipes? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-18-brainstuff-water-hammer.mp3?awCollectionId=1009&awEpisodeId=922494 The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. Mon, 18 Aug 2008 12:00:26 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754599897brainstuff-water-hammer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, how stuff works, brainstuff, brain stuff, water hammer, pipe, plumbing 00:04:17 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 How Catalytic Convertors Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-11-brainstuff-catalytic-converter.mp3?awCollectionId=1009&awEpisodeId=922495 Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. Mon, 11 Aug 2008 18:13:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454986836brainstuff-catalytic-converter.mp3 podcast@howstuffworks.com (BrainStuff) no catalytic convertor, carbon monoxide, carbon dioxide, nitrogen oxide 00:03:41 Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. HowStuffWorks How 3-Way Lightbulbs Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-08-01-brainstuff-3-way-bulb.mp3?awCollectionId=1009&awEpisodeId=922496 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. Fri, 01 Aug 2008 18:17:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454436329brainstuff-3-way-bulb.mp3 podcast@howstuffworks.com (BrainStuff) no 3-way bulb, light bulb, fluorescent, dimmer 00:03:14 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 How Breathing in a Submarine Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-30-brainstuff-air-in-sub.mp3?awCollectionId=1009&awEpisodeId=922497 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. Wed, 30 Jul 2008 18:18:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454860407brainstuff-air-in-sub.mp3 podcast@howstuffworks.com (BrainStuff) no submarine, oxygen, carbon dioxide, carbon monoxide, humidity. 00:04:24 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 How Fever Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-28-brainstuff-fever.mp3?awCollectionId=1009&awEpisodeId=922498 In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. Mon, 28 Jul 2008 18:19:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419932004brainstuff-fever.mp3 podcast@howstuffworks.com (BrainStuff) no Fever, causes of Fever, what to do for Fever 00:03:35 In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. HowStuffWorks How Fountains in Rome Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-25-brainstuff-fountains-in-rome.mp3?awCollectionId=1009&awEpisodeId=922499 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. Fri, 25 Jul 2008 18:20:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453806134brainstuff-fountains-in-rome.mp3 podcast@howstuffworks.com (BrainStuff) no Rome, water fountains, water pump, pump water, aqueducts, water tower, cistern, water pressure, Roman fountains, Roman plumbing 00:03:28 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 How Nautical Miles Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-21-brainstuff-nautical-mile.mp3?awCollectionId=1009&awEpisodeId=922500 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. Mon, 21 Jul 2008 18:22:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420747415brainstuff-nautical-mile.mp3 podcast@howstuffworks.com (BrainStuff) no nautical mile, maritime, navy, knott, seas 00:03:13 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 How Digital Answering Machines Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-18-brainstuff-digital-answering-machine.mp3?awCollectionId=1009&awEpisodeId=922501 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. Fri, 18 Jul 2008 18:23:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453918582brainstuff-digital-answering-machine.mp3 podcast@howstuffworks.com (BrainStuff) 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/ 00:03:24 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 How Maple Syrup Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-16-brainstuff-maple-syrup.mp3?awCollectionId=1009&awEpisodeId=922502 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. Wed, 16 Jul 2008 18:24:19 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455449516brainstuff-maple-syrup.mp3 podcast@howstuffworks.com (BrainStuff) no maple syrup, maple tree, maple sap 00:04:09 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 How Nanosolar Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-nanosolar.mp3?awCollectionId=1009&awEpisodeId=922515 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. Mon, 14 Jul 2008 13:25:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420664946brainstuff-nanosolar.mp3 podcast@howstuffworks.com (BrainStuff) no solar, nanosolar, alternative energy, sunlight 00:03:41 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 How Ultra Hi-Def Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-ultra-high-def.mp3?awCollectionId=1009&awEpisodeId=922516 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. Mon, 14 Jul 2008 13:19:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215447006365brainstuff-ultra-high-def.mp3 podcast@howstuffworks.com (BrainStuff) no ultra-high definition, ultra high definition, uhd, uhdtv, high definition 00:03:38 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 How Stealth Technology Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-stealth.mp3?awCollectionId=1009&awEpisodeId=922517 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. Mon, 14 Jul 2008 13:15:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455611939brainstuff-stealth.mp3 podcast@howstuffworks.com (BrainStuff) no stealth airplane, stealth aircraft, radar 00:04:09 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 What is the Fastest Computer in the World? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-fastest-computer.mp3?awCollectionId=1009&awEpisodeId=922513 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. Mon, 14 Jul 2008 13:30:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419831804brainstuff-fastest-computer.mp3 podcast@howstuffworks.com (BrainStuff) no fastest computer, petaflop, computation, human brain, processing 00:04:56 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 How Red Eyes in Photographs Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-red-eye.mp3?awCollectionId=1009&awEpisodeId=922512 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. Mon, 14 Jul 2008 13:32:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420998446brainstuff-red-eye.mp3 podcast@howstuffworks.com (BrainStuff) no camera, flash, redeye, red eyes, red eye reduction 00:04:24 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 How Leap Years Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-leap-years.mp3?awCollectionId=1009&awEpisodeId=922511 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. Mon, 14 Jul 2008 13:33:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420613768brainstuff-leap-years.mp3 podcast@howstuffworks.com (BrainStuff) no leap year, calendar, gregorian calendar, earth orbit 00:04:48 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 How Do Vitamins Work? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-vitamins.mp3?awCollectionId=1009&awEpisodeId=922514 A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. Mon, 14 Jul 2008 13:29:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337117444podcast-vitamins.mp3 podcast@howstuffworks.com (BrainStuff) no vitamins, vitamin, collagen, vitamin c 00:03:06 A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. HowStuffWorks How Perceiving Earth as a Sphere Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-earth-is-sphere.mp3?awCollectionId=1009&awEpisodeId=922509 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. Mon, 14 Jul 2008 13:37:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419786656brainstuff-earth-is-sphere.mp3 podcast@howstuffworks.com (BrainStuff) no earth, globe, sphere, earth is a sphere 00:03:57 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 What is the Difference Between a Carat and a Karat? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-carat-karat.mp3?awCollectionId=1009&awEpisodeId=922508 Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. Mon, 14 Jul 2008 13:38:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419204420brainstuff-carat-karat.mp3 podcast@howstuffworks.com (BrainStuff) no carat, karat, diamond, gold, jewelry 00:04:00 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 How Radiation Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-radiation.mp3?awCollectionId=1009&awEpisodeId=922507 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. Mon, 14 Jul 2008 13:39:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420863237brainstuff-radiation.mp3 podcast@howstuffworks.com (BrainStuff) no radiation, radioactive, irradiated, cosmic rays 00:03:40 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 Why the Sky is Blue? http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-why-sky-is-blue.mp3?awCollectionId=1009&awEpisodeId=922506 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. Mon, 14 Jul 2008 13:40:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421351740brainstuff-why-sky-is-blue.mp3 podcast@howstuffworks.com (BrainStuff) no rainbow, prismatic diffusion, light spectrum 00:04:05 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 How the Corvette ZR1 Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-corvette-zr1.mp3?awCollectionId=1009&awEpisodeId=922505 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. Mon, 14 Jul 2008 13:42:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419258223brainstuff-corvette-zr1.mp3 podcast@howstuffworks.com (BrainStuff) no corvette, sports cars, 2009 cars, eight cylinder, engine 00:03:37 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 How Uninterruptible Power Supplies Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-uninteruptible-power-supply.mp3?awCollectionId=1009&awEpisodeId=922504 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. Mon, 14 Jul 2008 13:43:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421275817brainstuff-uninteruptible-power-supply.mp3 podcast@howstuffworks.com (BrainStuff) no uninterruptible power supply, ups, voltage surge, voltage spike, voltage sag, total power failure 00:03:53 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 How Glowing Watch Hands Work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-glowing-watch-hands_1-2.mp3?awCollectionId=1009&awEpisodeId=922503 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. Mon, 14 Jul 2008 15:57:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983300205glowing-watch-hands_1-2.mp3 podcast@howstuffworks.com (BrainStuff) no glow-in-the-dark, phosphor, watch, watch hands 00:03:12 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 How gas pumps work http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-gas-pump-2.mp3?awCollectionId=1009&awEpisodeId=922367 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. Mon, 14 Jul 2008 13:41:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420346021brainstuff-gas-pump-2.mp3 podcast@howstuffworks.com (BrainStuff) no gas, gas pump, gas station, gas hose 00:03:33 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 How Flatulance Works http://www.podtrac.com/pts/redirect.mp3/streaming.brainstuffshow.com/brainstuff/2008-07-14-brainstuff-flatulence.mp3?awCollectionId=1009&awEpisodeId=922510 Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. Mon, 14 Jul 2008 13:36:07 -0400 http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420008021brainstuff-flatulence.mp3 podcast@howstuffworks.com (BrainStuff) no Gas (Flatulence), causes of Gas (Flatulence), what to do for Gas (Flatulence) 00:04:19 Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. HowStuffWorks