BrainStuff http://www.howstuffworks.com How do satellites orbit the Earth? How does cabin pressure work? Tune in as Marshall Brain explains all sorts of everyday mysteries in BrainStuff, a podcast from HowStuffWorks.com. en-us Copyright 2009 HowStuffWorks.com Mon, 23 Nov 2009 10:39:17 -0500 podcast@howstuffworks.com (BrainStuff) podcast@howstuffworks.com (BrainStuff) 60 Science & Medicine BrainStuff http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/brainstuff-logo.jpg http://www.howstuffworks.com podcast@howstuffworks.com HowStuffWorks.com HowStuffWorks.com no how stuff works, howstuffworks, how it works, brain stuff, brainstuff BrainStuff How do satellites orbit the Earth? How does cabin pressure work? Tune in as Marshall Brain explains all sorts of everyday mysteries in BrainStuff, a podcast from HowStuffWorks.com. How do satellites orbit the earth? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-23-brainstuff-orbit.mp3 In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. Mon, 23 Nov 2009 10:38:01 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-23-brainstuff-orbit.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, satellites orbit earth, orbit, free fall, curvature of the earth 00:03:28 In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits. HowStuffWorks.com How can you measure the height of a tall tower? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-20-brainstuff-height-of-tower.mp3 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. Fri, 20 Nov 2009 11:08:28 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-20-brainstuff-height-of-tower.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, height of tower, how to measure tall objects, broomstick, protractor 00:02:58 In this episode of BrainStuff, Marshall reveals three common techniques for measuring the height of tall objects like towers. HowStuffWorks.com How does the lighter in a barbeque grill work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-18-brainstuff-piezoelectric.mp3 A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works -- and the kinds of devices that use piezoelectric materials -- in this episode of BrainStuff. Wed, 18 Nov 2009 12:05:50 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-18-brainstuff-piezoelectric.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuf, lighter bbq grill, piezoelectricity, piezoelectric, spark, push-button lighter 00:02:52 A barbeque grill has a push-button lighter that relies on piezoelectricity to generate a spark. Learn more about how piezoelectricity works -- and the kinds of devices that use piezoelectric materials -- in this episode of BrainStuff. HowStuffWorks.com How does a magneto work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-16-brainstuff-magneto.mp3 A magneto is a kind of electrical generator used in small gasoline engines in lieu of a battery. Find out how magnetos work in this episode of BrainStuff. Mon, 16 Nov 2009 14:11:27 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-16-brainstuff-magneto.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, magneto, generator, ignition, spark plug, electrical generator, electromagnet, armature 00:03:49 A magneto is a kind of electrical generator used in small gasoline engines in lieu of a battery. Find out how magnetos work in this episode of BrainStuff. HowStuffWorks.com Why do tools have "drop forged" stamped on them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-13-brainstuff-drop-forge.mp3 Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff. Fri, 13 Nov 2009 11:09:40 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-13-brainstuff-drop-forge.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, drop forging, press forging, roll forging, cold forging, dies, forge 00:02:39 Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff. HowStuffWorks.com What is a T1 line and how does it work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-11-brainstuff-t1-line.mp3 A T1 line is a dedicated fiber optic or copper cable that provides businesses with far more digital data than a residential line. Discover how T1 and other kinds of fiber optic lines work in this episode of BrainStuff. Wed, 11 Nov 2009 12:29:15 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-11-brainstuff-t1-line.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, t1 line, t1 phone line, fiber optic line, digital, analog 00:03:10 A T1 line is a dedicated fiber optic or copper cable that provides businesses with far more digital data than a residential line. Discover how T1 and other kinds of fiber optic lines work in this episode of BrainStuff. HowStuffWorks.com How does a jet engine's afterburner work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-09-brainstuff-afterburner.mp3 The afterburner on a jet engine adds thrust to the engine. Tune in as Marshall Brain explains how an afterburner works -- and the pros and cons of using one -- in this episode of BrainStuff. Mon, 09 Nov 2009 10:51:38 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-09-brainstuff-afterburner.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, afterburner, jet engine, fuel injector, turbine, thrust, jet engine afterburner 00:02:35 The afterburner on a jet engine adds thrust to the engine. Tune in as Marshall Brain explains how an afterburner works -- and the pros and cons of using one -- in this episode of BrainStuff. HowStuffWorks.com How does the public option work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-06-brainstuff-public-option.mp3 In the current U.S. debate over health care reform, a government-sponsored public option has been a controversial topic. Tune in to this episode of BrainStuff to hear Marshall Brain explain the nuances and implications of the public option. Fri, 06 Nov 2009 10:10:16 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-06-brainstuff-public-option.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, public option, health care reform, single payer system 00:05:00 In the current U.S. debate over health care reform, a government-sponsored public option has been a controversial topic. Tune in to this episode of BrainStuff to hear Marshall Brain explain the nuances and implications of the public option. HowStuffWorks.com Why do they add iodine to salt? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-04-brainstuff-iodine.mp3 Table salt contains iodine to help prevent thyroid problems and iodine deficiencies. Find out how table salt keeps your thyroid happy -- and what iodine has to do with a nuclear attack -- in this episode of BrainStuff. Wed, 04 Nov 2009 10:57:06 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-04-brainstuff-iodine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, iodine table salt, iodine, thyroid gland, goiter, iodine pills 00:02:53 Table salt contains iodine to help prevent thyroid problems and iodine deficiencies. Find out how table salt keeps your thyroid happy -- and what iodine has to do with a nuclear attack -- in this episode of BrainStuff. HowStuffWorks.com How much sugar do they really put in soda? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-02-brainstuff-sugar-in-soda.mp3 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. Mon, 02 Nov 2009 13:26:29 -0500 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-11-02-brainstuff-sugar-in-soda.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sugar in soda, sugar in soft drinks, teaspoons, sugar 00:02:27 Sodas and soft drinks contain a surprising amount of sugar -- more than you might expect. Tune in as Marshall Brain reveals how much sugar is in soda in this episode of BrainStuff. HowStuffWorks.com How do you add a USB device if you've run out of ports? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-30-brainstuff-usb-hubs.mp3 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. Fri, 30 Oct 2009 10:55:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-30-brainstuff-usb-hubs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, usb hubs, powered usb hub, unpowered usb hub, usb ports 00:02:28 Desktop computers and laptops only have so many USB ports, so what do you do when you want to plug in more USB devices and they're all full? You buy a USB hub. Find out how these hubs work, and which kind you should get, in this episode of BrainStuff. HowStuffWorks.com How do they make fortune cookies? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-28-brainstuff-fortune-cookies.mp3 You've probably had countless fortune cookies after Chinese meals, but have you ever wondered how they're made? Discover the "food technology" behind those prescient little cookies in this episode of BrainStuff. Wed, 28 Oct 2009 10:35:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-28-brainstuff-fortune-cookies.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, fortune cookies, food technology, hard shells 00:02:22 You've probably had countless fortune cookies after Chinese meals, but have you ever wondered how they're made? Discover the "food technology" behind those prescient little cookies in this episode of BrainStuff. HowStuffWorks.com How do they measure sea level? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-26-brainstuff-sea-level.mp3 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. Mon, 26 Oct 2009 10:14:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-26-brainstuff-sea-level.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sea level, tides, tide gauge, geoid, stilling well 00:04:01 Sea level is an important measurement, but it's also a complicated one. Find out why in this episode of BrainStuff. HowStuffWorks.com Why does lettuce stored in a bag stay fresh longer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-23-brainstuff-map.mp3 Many foods you'll find at the grocery store, like lettuce, for example, are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is -- and how it keeps food fresh longer -- in this episode of BrainStuff. Fri, 23 Oct 2009 11:53:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-23-brainstuff-map.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, MAP, modified atmosphere packaging, oxygen, CO2, shelf life, gases 00:02:22 Many foods you'll find at the grocery store, like lettuce, for example, are stored in special plastic packaging called MAP that helps them stay fresh longer. Find out what MAP is -- and how it keeps food fresh longer -- in this episode of BrainStuff. HowStuffWorks.com How do herbicides like Roundup work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-21-brainstuff-roundup.mp3 Herbicides like Roundup are products that inhibit plant and weed growth in a very specific way. Explore the biochemistry behind glyphosphate-based herbicides in this episode of HowStuffWorks.com. Wed, 21 Oct 2009 11:07:06 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-21-brainstuff-roundup.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, herbicides, Roundup, glyphosphate, weed killers, enzyme, EPSP synthase 00:02:26 Herbicides like Roundup are products that inhibit plant and weed growth in a very specific way. Explore the biochemistry behind glyphosphate-based herbicides in this episode of HowStuffWorks.com. HowStuffWorks.com What's the most efficient way to mow your yard? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-19-brainstuff-lawn-efficiency.mp3 There's more than one way to mow a yard, but which is the most efficient? Tune in to this episode of BrainStuff to find out. Mon, 19 Oct 2009 10:00:31 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-19-brainstuff-lawn-efficiency.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, lawn efficiency, spiral mowing pattern, mowing 00:02:50 There's more than one way to mow a yard, but which is the most efficient? Tune in to this episode of BrainStuff to find out. HowStuffWorks.com Does airing out mattresses outside do any good? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-16-brainstuff-mattress-disinfect.mp3 Airing out rugs and mattresses outdoors is a great way to disinfect them, thanks to a little thing called ultraviolet light. Find out how UV light can disinfect everything from rugs to water in this episode of BrainStuff. Fri, 16 Oct 2009 10:26:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-16-brainstuff-mattress-disinfect.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, air out mattress outside, ultraviolet light disinfectant, uv light 00:02:05 Airing out rugs and mattresses outdoors is a great way to disinfect them, thanks to a little thing called ultraviolet light. Find out how UV light can disinfect everything from rugs to water in this episode of BrainStuff. HowStuffWorks.com What is the problem with MTBE in gasoline? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-14-brainstuff-mtbe.mp3 Some gasoline contains MTBE, or methyl tertiary butyl ether. Find out why MTBE is added to gasoline in the first place, and why it's no longer a popular additive, in this episode of BrainStuff. Wed, 14 Oct 2009 09:59:14 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-14-brainstuff-mtbe.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, MTBE, methyl tertiary butyl ether, gasoline, mtbe carcinogenic, ethanol 00:02:19 Some gasoline contains MTBE, or methyl tertiary butyl ether. Find out why MTBE is added to gasoline in the first place, and why it's no longer a popular additive, in this episode of BrainStuff. HowStuffWorks.com How does an EPIRB distress radio work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-12-brainstuff-epirb.mp3 An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com. Mon, 12 Oct 2009 10:18:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-12-brainstuff-epirb.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, EPIRB, emergency position indicating radio beacon, GPS, radio transmitter, satellite 00:02:27 An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com. HowStuffWorks.com Is chocolate poisonous to dogs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-09-brainstuff-chocolate-poisoning.mp3 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs -- and how much is too much -- in this podcast from HowStuffWorks.com. Fri, 09 Oct 2009 10:50:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-09-brainstuff-chocolate-poisoning.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, theobromine, chocolate dogs poisonous, is chocolate poisonous to dogs? 00:02:21 Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs -- and how much is too much -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can there be seedless grapes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-07-brainstuff-seedless-grapes.mp3 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. Wed, 07 Oct 2009 11:17:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-07-brainstuff-seedless-grapes.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, seedless grapes, grape vine cuttings, white Thompson's seedless grapes 00:01:51 Seedless grapes are the most common kind on the market, but have you ever wondered how a grape can be seedless? How does it grow? Discover how seedless grapes accidentally came about -- and how they grow -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do dry chemical fire extinguishers work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-05-brainstuff-fire-extinguisher.mp3 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. Mon, 05 Oct 2009 11:26:09 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-05-brainstuff-fire-extinguisher.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carbon dioxide fire extinguisher, dry chemical fire extinguisher, baking soda 00:03:03 Three elements create a fire. Discover what they are and how dry chemical fire extinguishers combat them in this podcast from HowStuffWorks.com. HowStuffWorks.com What does Pez mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-02-brainstuff-pez.mp3 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. Fri, 02 Oct 2009 10:27:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-10-02-brainstuff-pez.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Pez, Pez smokers, Eduard Haas III, Pez candy, Pez peppermint 00:03:11 Today, Pez candy dispensers are a sweet treat for children and a novelty for adults. Originally, however, they were created to help adults quit smoking. Learn more about the fascinating history of Pez in this podcast from HowStuffWorks.com. HowStuffWorks.com What does tear gas do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-30-brainstuff-tear-gas.mp3 You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. Wed, 30 Sep 2009 11:26:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-30-brainstuff-tear-gas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, tear gas, CN, mace, CS, pepper spray, tear gas crowd control 00:01:53 You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What are carbide tips? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-28-brainstuff-carbide-tips.mp3 Many cutting tools are made of materials like steel but have carbide tips, which stay sharper longer. Learn more about carbide tips in this podcast from HowStuffWorks.com. Mon, 28 Sep 2009 11:47:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-28-brainstuff-carbide-tips.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carbide tips, tungsten carbide, carbide tipped, drillbit, saw blades 00:02:21 Many cutting tools are made of materials like steel but have carbide tips, which stay sharper longer. Learn more about carbide tips in this podcast from HowStuffWorks.com. HowStuffWorks.com How do I burn calories on a stair machine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-25-brainstuff-stair-machine.mp3 If you've ever sweated your way through a work-out on a stair machine, you know that calories are definitely being burned in the process. But how? Learn more about foot-pounds, horsepower and stair machines in this podcast from HowStuffWorks.com. Fri, 25 Sep 2009 10:19:15 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-25-brainstuff-stair-machine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stair machine, burn calories stair machine, horsepower, foot-pounds 00:02:54 If you've ever sweated your way through a work-out on a stair machine, you know that calories are definitely being burned in the process. But how? Learn more about foot-pounds, horsepower and stair machines in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is a circular saw louder than a table saw? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-23-brainstuff-saw-noise.mp3 Circular saws are much noisier than table saws partly because of the type of motor they possess. Learn more about universal and induction motors in BrainStuff, a podcast from HowStuffWorks.com. Wed, 23 Sep 2009 10:32:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-23-brainstuff-saw-noise.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, circular saw, table saw, induction motor, universal motor, AC, DC 00:02:27 Circular saws are much noisier than table saws partly because of the type of motor they possess. Learn more about universal and induction motors in BrainStuff, a podcast from HowStuffWorks.com. HowStuffWorks.com Why do some engines use a dry sump oil system? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-21-brainstuff-dry-sump.mp3 Most car engines use a wet sump oil system, but some rely on a dry sump system. Find out how a dry sump system works -- and why it's advantageous -- in this podcast from HowStuffWorks.com. Mon, 21 Sep 2009 10:18:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-21-brainstuff-dry-sump.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry sump oil system, wet sump oil system, engine 00:02:38 Most car engines use a wet sump oil system, but some rely on a dry sump system. Find out how a dry sump system works -- and why it's advantageous -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What is low-power FM (LPFM)? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-18-brainstuff-lpfm-stations.mp3 FM radio stations have high operating costs, so they're seldom affordable to individuals and small organizations that want to use them for not-for-profit purposes. Find out how LPFM stations work in this podcast from HowStuffWorks.com. Fri, 18 Sep 2009 10:37:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/hss/2009-09-17-hss-high-speed-trains.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, low power fm, LPFM, lpfm stations, FCC, watts, fm stations 00:02:48 FM radio stations have high operating costs, so they're seldom affordable to individuals and small organizations that want to use them for not-for-profit purposes. Find out how LPFM stations work in this podcast from HowStuffWorks.com. HowStuffWorks.com How much does 20-pound bond paper weigh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-16-brainstuff-20-pound-bond-paper.mp3 Your average ream of printer paper is called 20-pound bond paper, but it doesn't actually weigh 20 pounds. Tune in as Marshall explains this strange American paper naming system -- and its metric alternative -- in this podcast from HowStuffWorks.com. Wed, 16 Sep 2009 10:33:10 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-16-brainstuff-20-pound-bond-paper.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, 20-pound bond paper, reams, printer paper, metric system 00:02:37 Your average ream of printer paper is called 20-pound bond paper, but it doesn't actually weigh 20 pounds. Tune in as Marshall explains this strange American paper naming system -- and its metric alternative -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Should you turn your computer off when it's not in use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-14-brainstuff-turn-computer-off.mp3 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. Mon, 14 Sep 2009 13:34:49 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-14-brainstuff-turn-computer-off.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, turn off computer, server, leave computer on, wasted energy 00:03:18 When it comes to the question of whether or not you should turn off your computer when you're not using it, there's no simple answer. Tune in to get Marshall's thorough take on the topic in this podcast from HowStuffWorks.com. HowStuffWorks.com What do those diamond-shaped signs on buildings mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-11-brainstuff-nfa-panel.mp3 The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com. Fri, 11 Sep 2009 12:34:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-11-brainstuff-nfa-panel.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, nfpa panel, national fire protection agency 00:03:16 The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What is an Omega-3 fatty acid? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-09-brainstuff-omega-3.mp3 Omega-3 fatty acids are essential to the human body. Tune in to hear Marshall Brain explain the chemistry of fat molecules and fatty acids, Omega-3s in particular, in this podcast from HowStuffWorks.com. Wed, 09 Sep 2009 13:49:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-09-brainstuff-omega-3.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Omega-3 fatty acid, triglycerides, saturated fat, unsaturated fat, monounsaturated, polyunsaturated 00:06:07 Omega-3 fatty acids are essential to the human body. Tune in to hear Marshall Brain explain the chemistry of fat molecules and fatty acids, Omega-3s in particular, in this podcast from HowStuffWorks.com. HowStuffWorks.com What gives a Harley its distinctive sound? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-07-brainstuff-harley-sound.mp3 A Harley Davidson motorcycle emits a very distintive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. Mon, 07 Sep 2009 15:51:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-07-brainstuff-harley-sound.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Harley Davidson motorcycle, Harley, cylinders, pistons, two cylinder, engine 00:03:03 A Harley Davidson motorcycle emits a very distintive sound because of the unique way its engine works. Find out more in this podcast from HowStuffWorks.com. HowStuffWorks.com What is the battery light on your car's dashboard for? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-04-brainstuff-battery-light.mp3 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. Fri, 04 Sep 2009 10:41:39 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-04-brainstuff-battery-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, battery light, car, dashboard, alternator, car battery, rechargeable, electrical system 00:02:19 Cars rely on batteries to keep their electrical parts running and alternators to keep their batteries alive. Battery lights come into play when there's a charging problem. Find out more about battery lights in this podcast from HowStuffWorks.com. HowStuffWorks.com How does the Radio Data System work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-02-brainstuff-rds.mp3 The Radio Data System, or RDS, allows your radio to display information like song titles and radio station call signs. Find out how the RDS works in this podcast from HowStuffWorks.com. Wed, 02 Sep 2009 11:16:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-09-02-brainstuff-rds.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Radio Data System, RDS, frequency, bandwidth, kilohertz 00:02:18 The Radio Data System, or RDS, allows your radio to display information like song titles and radio station call signs. Find out how the RDS works in this podcast from HowStuffWorks.com. HowStuffWorks.com How do trick birthday candles work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-31-brainstuff-trick-candle.mp3 Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular and trick candles work in this podcast from HowStuffWorks.com. Mon, 31 Aug 2009 10:58:35 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-31-brainstuff-trick-candle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, candles, trick candles, wick, paraffin wax, magnesium powder 00:04:50 Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular and trick candles work in this podcast from HowStuffWorks.com. HowStuffWorks.com What exactly is a blueprint? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-28-brainstuff-blueprints.mp3 Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com. Fri, 28 Aug 2009 10:24:08 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-28-brainstuff-blueprints.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, blueprints, blueprinting, architecture, diazotype, why are blueprints blue 00:02:55 Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Why does your computer need a battery? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-26-brainstuff-computer-battery.mp3 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. Wed, 26 Aug 2009 12:13:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-26-brainstuff-computer-battery.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, computer battery, real-time clock chip, quartz clock, RAM, cmos ram 00:02:40 Computers have a small battery that's important because it keeps the machine's clock running -- and sometimes, your computer. Get the goods on computer batteries in this podcast from HowStuffWorks.com. HowStuffWorks.com What is carrageenan? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-24-brainstuff-carrageenan.mp3 Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com. Mon, 24 Aug 2009 11:32:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-24-brainstuff-carrageenan.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, carrageenan, xanthum gum, seaweed, processed food 00:03:05 Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com. HowStuffWorks.com How does an airplane toilet work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-21-brainstuff-airplane-toilet.mp3 Airplane toilets serve the same function as regular ones, but because they exist in a moving environment, they rely on slightly different technology to get the job done. Find out how they work in this podcast from HowStuffWorks.com. Fri, 21 Aug 2009 10:55:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-21-brainstuff-airplane-toilet.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, airplane toilet, toilet bowl, siphon, vacuum toilets, gravity 00:02:30 Airplane toilets serve the same function as regular ones, but because they exist in a moving environment, they rely on slightly different technology to get the job done. Find out how they work in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do they include jokers in a deck of playing cards? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-19-brainstuff-joker.mp3 The joker is an obscure and seemingly useless addition to a deck of modern playing card, but originally, it was a powerful card. Discover the history of the joker card -- and how the modern deck took shape -- in this podcast from HowStuffWorks.com. Wed, 19 Aug 2009 10:15:23 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-19-brainstuff-joker.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, joker card, playing card origins, Euchre, imperial bower 00:01:47 The joker is an obscure and seemingly useless addition to a deck of modern playing card, but originally, it was a powerful card. Discover the history of the joker card -- and how the modern deck took shape -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Why doesn't the space shuttle burn up upon re-entry? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-17-brainstuff-meteor-re-entry.mp3 Meteors burn up once they hit Earth's atmosphere, and the space shuttle would do the same if it wasn't protected. Learn more about meteors and the technologies that keep the space shuttle from burning up in this podcast from HowStuffWorks.com. Mon, 17 Aug 2009 13:09:07 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-17-brainstuff-meteor-re-entry.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, meteor, re-entry, space shuttle, ablative technology, insulating tile technology 00:02:18 Meteors burn up once they hit Earth's atmosphere, and the space shuttle would do the same if it wasn't protected. Learn more about meteors and the technologies that keep the space shuttle from burning up in this podcast from HowStuffWorks.com. HowStuffWorks.com What causes high tide and low tide? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-14-brainstuff-tides.mp3 The moon's gravitational pull is strong enough to affect the oceans on Earth, resulting in low and high tides. Discover exactly how high and low tides work in this podcast from HowStuffWorks.com. Fri, 14 Aug 2009 09:19:00 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-14-brainstuff-tides.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, tides, moon high tide, moon low tide, gravitational force, Earth 00:01:49 The moon's gravitational pull is strong enough to affect the oceans on Earth, resulting in low and high tides. Discover exactly how high and low tides work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does the common cold work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-12-brainstuff-common-cold.mp3 We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we get colds? How do they work? Find out in this podcast from HowStuffWorks.com. Wed, 12 Aug 2009 10:10:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-12-brainstuff-common-cold.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, common cold, coughing, sneezing, runny nose, rhino virus, immune system 00:02:28 We've all had a cold at one point or another; it entails an uncomfortable cocktail of symptoms like sneezing, coughing and a runny nose. But why do we get colds? How do they work? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com What are other ways to store energy besides batteries? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-10-brainstuff-storing-energy.mp3 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. Mon, 10 Aug 2009 10:29:02 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-10-brainstuff-storing-energy.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, storing energy, batteries, falling weight, fuel cells, antimatter 00:04:23 Batteries are a common way to store energy, but there are many others. Discover more energy storage techniques, from falling weights to fuel cells, in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is the Nissan Leaf such a big deal? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-07-brainstuff-nissan-leaf.mp3 Nissan recently released the Leaf, a model which may be the first viable electric car to come on the market. How does it work? Why do people have high hopes for it? Tune in to this podcast from HowStuffWorks.com to find out more about the Nissan Leaf. Fri, 07 Aug 2009 15:26:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-07-brainstuff-nissan-leaf.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Nissan Leaf, electric car, lithium ion battery, recharging stations 00:05:36 Nissan recently released the Leaf, a model which may be the first viable electric car to come on the market. How does it work? Why do people have high hopes for it? Tune in to this podcast from HowStuffWorks.com to find out more about the Nissan Leaf. HowStuffWorks.com How does a traffic light detect cars? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-05-brainstuff-traffic-light.mp3 Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly. Wed, 05 Aug 2009 10:09:51 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-05-brainstuff-traffic-light.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, traffic light, car, timers, motion, weight, inductive loop, detectors, detect 00:03:22 Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly. HowStuffWorks.com Why do freezing temperatures yield both snow and rain? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-03-brainstuff-freezing-rain.mp3 When the temperature dips below freezing, precipitation often turns into snow, but sometimes you'll get freezing rain or sleet. Why? Find out in this podcast from HowStuffWorks.com. Mon, 03 Aug 2009 15:18:03 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-08-03-brainstuff-freezing-rain.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, 30 degrees Fahrenheit, freezing temperatures, precipitation, freezing rain, sleet 00:02:19 When the temperature dips below freezing, precipitation often turns into snow, but sometimes you'll get freezing rain or sleet. Why? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How long before sharks start going extinct? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-31-brainstuff-shark.mp3 Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com. Fri, 31 Jul 2009 10:30:25 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-31-brainstuff-shark.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sharks go extinct, shark extinction, 00:03:33 Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can some eggs be better for you than others? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-29-brainstuff-special-eggs.mp3 If you've been to the grocery store recently, you know that eggs come in many varieties, some claiming to be better for you than others. What differentiates a normal egg from a "special" one? Find out in this podcast from HowStuffWorks.com. Thu, 30 Jul 2009 15:11:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-29-brainstuff-special-eggs.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, special eggs, egg patents, organic eggs, healthy eggs 00:02:22 If you've been to the grocery store recently, you know that eggs come in many varieties, some claiming to be better for you than others. What differentiates a normal egg from a "special" one? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How does catnip work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-27-brainstuff-catnip.mp3 You've probably heard that catnip drives felines wild, but did you know that it's a plant related to mint? And that it doesn't affect all cats? Find out how catnip works in this podcast from HowStuffWorks.com. Mon, 27 Jul 2009 12:40:50 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-27-brainstuff-catnip.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, catnip, catnip plant, catnip herb, catnip imported, catnip chemical 00:02:21 You've probably heard that catnip drives felines wild, but did you know that it's a plant related to mint? And that it doesn't affect all cats? Find out how catnip works in this podcast from HowStuffWorks.com. HowStuffWorks.com How much does planet Earth weigh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-24-brainstuff-earth-weigh.mp3 As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com. Fri, 24 Jul 2009 10:18:41 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-24-brainstuff-earth-weigh.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how much does the earth weigh, mass, calculating mass 00:02:40 As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com What's the deal with milk? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-22-brainstuff-milk.mp3 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. Wed, 22 Jul 2009 12:49:58 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-22-brainstuff-milk.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, milk miracle drink, milk nutritional, mammal milk 00:03:09 Milk is often touted as a "miracle drink," full of restorative, nutritional properties. And there's some truth to this claim. Find out why mammal milk is called "the perfect food" in this podcast from HowStuffWorks.com. HowStuffWorks.com What is the right way to remove a leech? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-20-brainstuff-leech-removal.mp3 People have cooked up all sorts of ways to remove leeches over the years, but the simplest is still the most effective. Discover how to safely detach a leech using your hands in this podcast from HowStuffWorks.com. Mon, 20 Jul 2009 11:03:59 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-20-brainstuff-leech-removal.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, right way to remove a leech, leech removal 00:02:34 People have cooked up all sorts of ways to remove leeches over the years, but the simplest is still the most effective. Discover how to safely detach a leech using your hands in this podcast from HowStuffWorks.com. HowStuffWorks.com How do honeybees make honey? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-17-brainstuff-honey.mp3 When it comes to making honey, bees are skilled chemists. Discover how they use enzymes to turn sugary flower nectar into a sweet, stable food source in this podcast from HowStuffWorks.com. Fri, 17 Jul 2009 10:10:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-17-brainstuff-honey.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, honey, honeybees, how do bees make honey, pollen, enzymes 00:02:18 When it comes to making honey, bees are skilled chemists. Discover how they use enzymes to turn sugary flower nectar into a sweet, stable food source in this podcast from HowStuffWorks.com. HowStuffWorks.com Why do electric plugs have holes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-15-brainstuff-plug.mp3 You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. Wed, 15 Jul 2009 12:20:16 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-15-brainstuff-plug.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, prongs, electric plug holes, contact wiper, detenting 00:02:26 You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a medical leech? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-13-brainstuff-medical-leech.mp3 Medical leeches are raised in captivity and help patients heal wounds. Discover how leeches and other parasites are used for medical purposes in this podcast from HowStuffWorks.com. Mon, 13 Jul 2009 11:46:44 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-13-brainstuff-medical-leech.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, medical leech, medical parasites, medical maggots, anti-coagulant 00:02:37 Medical leeches are raised in captivity and help patients heal wounds. Discover how leeches and other parasites are used for medical purposes in this podcast from HowStuffWorks.com. HowStuffWorks.com What exactly is pastrami? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-10-brainstuff-pastrami.mp3 Like cheese, pastrami is a good example of old-fashioned food preservation techniques. Find out how corned beef becomes pastrami in this podcast from HowStuffWorks.com. Fri, 10 Jul 2009 10:38:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-10-brainstuff-pastrami.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, pastrami, food preservation, salt, corned beef, smoked 00:03:00 Like cheese, pastrami is a good example of old-fashioned food preservation techniques. Find out how corned beef becomes pastrami in this podcast from HowStuffWorks.com. HowStuffWorks.com Why are my power bills so high? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-08-brainstuff-power.mp3 When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com. Wed, 08 Jul 2009 12:40:11 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-08-brainstuff-power.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, high power bills, appliances, heating, cooling 00:03:32 When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How does pressure-treated lumber work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-06-brainstuff-pressure-treated.mp3 Treating lumber with chemicals is an effective way to protect wood from pests and other organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. Mon, 06 Jul 2009 11:25:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-06-brainstuff-pressure-treated.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, pressure-treated lumber, moisture, liquid preservative, pressurized, cca, acq 00:02:42 Treating lumber with chemicals is an effective way to protect wood from pests and other organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How can an electric toothbrush recharge its batteries? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-03-brainstuff-toothbrush.mp3 An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com. Fri, 03 Jul 2009 11:57:34 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-03-brainstuff-toothbrush.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, electric toothbrush, recharge, batteries, inductive charging, transformer 00:01:42 An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com. HowStuffWorks.com How do neon and fluorescent lights differ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-01-brainstuff-neon.mp3 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. Wed, 01 Jul 2009 10:45:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-07-01-brainstuff-neon.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, neon light, fluorescent light, neon gas, mercury vapor, phosphor 00:03:00 Neon and fluorescent lights differ in several ways, including bulb shape, color of light emitted and substances used to produce that light. Find out how neon and fluorescent lights work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do hopping cars work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-29-brainstuff-lowrider.mp3 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. Mon, 29 Jun 2009 10:54:27 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-29-brainstuff-lowrider.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, lowrider, hopping cars, Southern California, hydraulics 00:01:57 Lowriders are vehicles that ride very low to the ground and are often equipped with hydraulics systems that allow the cars to "hop." Learn more in this podcast from HowStuffWorks.com. HowStuffWorks.com How does an Indiglo watch work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-26-brainstuff-indiglo.mp3 An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com. Fri, 26 Jun 2009 10:46:17 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-26-brainstuff-indiglo.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, indiglo watch, electroluminescence, electricity, light, neon sign, phosphor 00:02:23 An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com. HowStuffWorks.com How do sodium acetate heat pads work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-24-brainstuff-sodium-acetate-heat-pad.mp3 Sodium acetate heat pads start out as a pouch of liquid and crystallize into a warm solid. Explore the fascinating chemistry that makes these heat pads work in this podcast from HowStuffWorks.com. Wed, 24 Jun 2009 10:30:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-24-brainstuff-sodium-acetate-heat-pad.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, sodium acetate heat pad, heat, sodium acetate 00:02:32 Sodium acetate heat pads start out as a pouch of liquid and crystallize into a warm solid. Explore the fascinating chemistry that makes these heat pads work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does water desalination work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-22-brainstuff-desalination.mp3 Most of the water on the planet is salty, so people have come up with various ways to turn it into freshwater. Explore three methods of desalinating water in this podcast from HowStuffWorks.com. Mon, 22 Jun 2009 10:33:56 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-22-brainstuff-desalination.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, water desalination, saltwater, reverse osmosis, boiling, flash distillation, water cone 00:02:14 Most of the water on the planet is salty, so people have come up with various ways to turn it into freshwater. Explore three methods of desalinating water in this podcast from HowStuffWorks.com. HowStuffWorks.com How do self-winding watches work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-19-brainstuff-self-winding-watch.mp3 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. Fri, 19 Jun 2009 09:09:42 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-19-brainstuff-self-winding-watch.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, self-winding watch, metal, gravity, gear train, arm 00:01:51 Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. HowStuffWorks.com What are frankincense and myrrh? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-17-brainstuff-frankincense-and-myrrh.mp3 You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast from HowStuffWorks.com. Wed, 17 Jun 2009 11:21:45 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-17-brainstuff-frankincense-and-myrrh.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, frankincense, myrrh, Jesus, burial 00:01:33 You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast from HowStuffWorks.com. HowStuffWorks.com How can turbines change our energy future? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-15-brainstuff-future-turbine.mp3 Gas turbine engines often power jet airplanes and helicopters, but they may turn up in other applications in the near future. Discover how turbine engines work in this podcast from HowStuffWorks.com. Mon, 15 Jun 2009 11:51:38 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-15-brainstuff-future-turbine.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, turbines, energy, future, gas turbine, jet, helicopter 00:02:15 Gas turbine engines often power jet airplanes and helicopters, but they may turn up in other applications in the near future. Discover how turbine engines work in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a stratospheric aerosol? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-12-brainstuff-stratospheric-aerosols.mp3 Stratospheric aerosols have been proposed as a new way to combat global warming. Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. Fri, 12 Jun 2009 12:51:24 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-12-brainstuff-stratospheric-aerosols.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stratospheric aerosols, atmosphere, global warming, environment, green 00:02:08 Stratospheric aerosols have been proposed as a new way to combat global warming. Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com. HowStuffWorks.com What is a tank engine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-10-brainstuff-thomas.mp3 You've probably heard of the beloved character Thomas the Tank Engine, but have you ever wondered what makes him a tank engine? Discover what sets Thomas apart from his locomotive pals in this podcast from HowStuffWorks.com. Wed, 10 Jun 2009 11:10:43 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-10-brainstuff-thomas.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, Thomas the tank engine, steam engine, short haul, coal car, train, railroad 00:02:13 You've probably heard of the beloved character Thomas the Tank Engine, but have you ever wondered what makes him a tank engine? Discover what sets Thomas apart from his locomotive pals in this podcast from HowStuffWorks.com. HowStuffWorks.com How do space mirrors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-08-brainstuff-space-mirrors.mp3 Mirrors placed in space could deflect excessive sunlight and combat global warming trends. Find out more about space mirrors in this podcast from HowStuffWorks.com. Mon, 08 Jun 2009 13:19:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-08-brainstuff-space-mirrors.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, space mirrors, global warming, deflect, sunlight, sunshades 00:01:46 Mirrors placed in space could deflect excessive sunlight and combat global warming trends. Find out more about space mirrors in this podcast from HowStuffWorks.com. HowStuffWorks.com How do the engines breathe in diesel submarines? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-05-brainstuff-diesel-sub.mp3 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. Fri, 05 Jun 2009 09:40:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-05-brainstuff-diesel-sub.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, engine, diesel submarine, breathe, sub, hybrid 00:01:41 Diesel submarines are actually hybrid vehicles. Find out why -- and exactly how they work -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do CD-R discs work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-03-brainstuff-cd-r-disc.mp3 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. Wed, 03 Jun 2009 10:58:12 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-03-brainstuff-cd-r-disc.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, cd-r disc, laser, reflective area, nonreflective bump, green dye, recordable compact disc, cd 00:02:30 Unlike a regular CD, a CD-R has a special dye layer that allows you to imprint data on it. Discover the mechanics of CD-R discs in this podcast from HowStuffWorks.com. HowStuffWorks.com Where do bullets go when guns are fired into the air? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-01-brainstuff-bullets-in-air.mp3 When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com. Mon, 01 Jun 2009 10:59:55 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-06-01-brainstuff-bullets-in-air.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, bullets, fired, straight up, air resistance 00:01:35 When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How do scratch-and-sniff stickers work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-29-brainstuff-scratch-and-sniff.mp3 Scratch-and-sniff stickers are novelties that delight both children and adults. Sniff out the ingenious technology that makes them work in this podcast from HowStuffWorks.com. Fri, 29 May 2009 09:08:37 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-29-brainstuff-scratch-and-sniff.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, scratch and sniff, stickers, microencapsulation, children's books, aroma, copy paper 00:02:21 Scratch-and-sniff stickers are novelties that delight both children and adults. Sniff out the ingenious technology that makes them work in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a dollar bill changer work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-27-brainstuff-bill-changer.mp3 A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com. Wed, 27 May 2009 12:08:22 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-27-brainstuff-bill-changer.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, how do bill changers work, dollar bill changer 00:02:37 A dollar bill changer doesn't just have to sense a bill's denomination -- it also needs to be able to tell whether bills are fake. Join Marshall Brain as he breaks down the science behind bill changers in this podcast from HowStuffWorks.com. HowStuffWorks.com What happens when you press Alt and F4? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-25-brainstuff-alt-f4-key.mp3 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. Mon, 25 May 2009 15:28:52 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-25-brainstuff-alt-f4-key.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, alt-f4 key, keystroke, window, close, keyboard shortcuts, windows key 00:02:22 The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com. HowStuffWorks.com How do candles work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-22-brainstuff-candle.mp3 Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com. Fri, 22 May 2009 09:38:28 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-22-brainstuff-candle.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, candle, fuel, wax, wick, twine, absorbent, vapor, paraffin, vaporize, combustion 00:03:05 Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com. HowStuffWorks.com How do Mexican jumping beans work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-20-brainstuff-mexican-jumping-beans.mp3 Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com. Wed, 20 May 2009 11:25:36 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-20-brainstuff-mexican-jumping-beans.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, mexican jumping beans, moth larva, eggs, seeds, moths 00:02:04 Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com. HowStuffWorks.com How does dry ice work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-18-brainstuff-dry-ice.mp3 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. Mon, 18 May 2009 13:08:30 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-18-brainstuff-dry-ice.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry ice, carbon dioxide, frozen, sublimation, gas, liquid nitrogen, solid 00:03:28 Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What causes that howling sound in PA systems? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-15-brainstuff-feedback.mp3 A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com. Fri, 15 May 2009 13:08:47 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-15-brainstuff-feedback.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, feedback, PA system, public address, speakers, noise, loop, microphone, amplified 00:02:11 A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a hybrid car work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-13-brainstuff-hybrid-car.mp3 Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com. Wed, 13 May 2009 13:02:21 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-13-brainstuff-hybrid-car.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, hybrid cars, electric motor, gas engine, efficiency, drivetrain, heavy, braking 00:03:36 Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com. HowStuffWorks.com Why is dry ice dangerous? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-11-brainstuff-dry-ice-dangerous.mp3 Dry ice is different from regular ice because it's extremely cold and it emits carbon dioxide. Discover why the substance can be dangerous -- and safe ways to handle it -- in this podcast from HowStuffWorks.com. Mon, 11 May 2009 09:32:57 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-11-brainstuff-dry-ice-dangerous.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, dry ice, dangerous, super cold, temperature, gloves, carbon dioxide, ventilation 00:01:46 Dry ice is different from regular ice because it's extremely cold and it emits carbon dioxide. Discover why the substance can be dangerous -- and safe ways to handle it -- in this podcast from HowStuffWorks.com. HowStuffWorks.com What's the birthday paradox? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-08-brainstuff-birthday-paradox.mp3 In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com. Fri, 08 May 2009 07:17:19 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-08-brainstuff-birthday-paradox.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, birthday paradox, same, birthday, group, individual, cryptography, hashing algorithm, birthday 00:02:20 In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com. HowStuffWorks.com What is market capitalization? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-06-brainstuff-stock-capitalization.mp3 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. Wed, 06 May 2009 13:22:54 -0400 http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-06-brainstuff-stock-capitalization.mp3 podcast@howstuffworks.com (BrainStuff) no howstuffworks, brainstuff, stock capitalization, new york stock exchange 00:02:56 If all the money in the US only totals 8 trillion dollars, how can the New York Stock Exchange have stocks valued at 26 trillion dollars? Tune in as Marshall Brain breaks down the practice of stock capitalization in this podcast from HowStuffWorks.com. HowStuffWorks.com What is sodium nitrate? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-04-brainstuff-sodium-nitrate.mp3 You'll find sodium nitrate in lots of pink meats like hot dogs and salami, but why? And is it bad for you? Find out what's up with sodium nitrate in this podcast from HowStuffWorks.com. Science & Medicine Mon, 04 May 2009 10:25:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-05-04-brainstuff-sodium-nitrate.mp3 00:02:23 no howstuffworks, brainstuff, sodium nitrate, hot dog, salami, pink, preservative, health, sodium nitrite You'll find sodium nitrate in lots of pink meats like hot dogs and salami, but why? And is it bad for you? Find out what's up with sodium nitrate in this podcast from HowStuffWorks.com. How does the oxygen sensor in a car work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-05-01-brainstuff-oxygen-sensor.mp3 All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. Science & Medicine Fri, 01 May 2009 10:18:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-05-01-brainstuff-oxygen-sensor.mp3 00:02:35 no howstuffworks, brainstuff, oxygen sensor, emissions, engine, mixture, lean, rich, air fuel ratio All new cars sport oxygen sensors that are designed to cut down emissions and keep the engine running smoothly. Find out exactly how these sensors work in this podcast from HowStuffWorks.com. HowStuffWorks.com How do motion sensors work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-29-brainstuff-motion-sensors.mp3 There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. Science & Medicine Wed, 29 Apr 2009 06:41:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-29-brainstuff-motion-sensors.mp3 00:02:46 no howstuffworks, brainstuff, motion sensors, burglar alarms, radar, motion sensing, PIR, infrared, temperature There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com. HowStuffWorks.com What would happen on a carousel moving at the speed of light? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-27-brainstuff-light-carosel.mp3 If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Marshall Brain as he breaks down the speed of light and time in this podcast from HowStuffWorks.com. Science & Medicine Mon, 27 Apr 2009 15:41:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-27-brainstuff-light-carosel.mp3 00:02:45 no howstuffworks, carousel, carousel at the speed of light, brainstuff If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Marshall Brain as he breaks down the speed of light and time in this podcast from HowStuffWorks.com. HowStuffWorks.com Why does my hard drive make that churning sound? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-24-brainstuff-hd-churning.mp3 Inside the hard drive of many computers, a small arm moves across the face of the hard disk. Tune in to this podcast from HowStuffWorks.com to discover how the movement of this arm produces sound -- and why the arm must move to load files. Science & Medicine Fri, 24 Apr 2009 07:10:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-24-brainstuff-hd-churning.mp3 00:03:13 no howstuffworks, brainstuff, hard drive, hard disk, churning, retrieving, data, arm, sound, files Inside the hard drive of many computers, a small arm moves across the face of the hard disk. Tune in to this podcast from HowStuffWorks.com to discover how the movement of this arm produces sound -- and why the arm must move to load files. HowStuffWorks.com How does a Fresnel lens work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-22-brainstuff-fresnel-lens.mp3 The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. Science & Medicine Wed, 22 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-22-brainstuff-fresnel-lens.mp3 00:02:20 no howstuffworks, brainstuff, Fresnel lens, optics, lens, plastic lens, magnifying glass, design, benefits The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. HowStuffWorks.com How does a Crooke's radiometer work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-20-brainstuff-crookes-radiometer.mp3 Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com. Science & Medicine Mon, 20 Apr 2009 09:49:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-20-brainstuff-crookes-radiometer.mp3 00:01:54 no howstuffworks, brainstuff, Crooke's radiometer Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com. HowStuffWorks.com How is wire measured? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-17-brainstuff-wire-diameter.mp3 In the United States, wires are measured by diameter using a standard called AWG, or American Wire Gauge. Discover how the AWG system works -- and where it came from -- in this podcast from HowStuffWorks.com. Science & Medicine Fri, 17 Apr 2009 09:49:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-17-brainstuff-wire-diameter.mp3 00:01:39 no howstuffworks, brainstuff, wire, diameter, measurement, AWG, american wire gauge, gauge, higher, thinner In the United States, wires are measured by diameter using a standard called AWG, or American Wire Gauge. Discover how the AWG system works -- and where it came from -- in this podcast from HowStuffWorks.com. HowStuffWorks.com How does an upside down airplane's engine get fuel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-15-brainstuff-upside-down-airplane.mp3 Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. Science & Medicine Wed, 15 Apr 2009 10:15:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-15-brainstuff-upside-down-airplane.mp3 00:01:52 no howstuffworks, brainstuff, acrobatic plane, fuel, upside down, gravity, flop tube, fuel tank Airplanes rely on gravity to disperse fuel to the engine, but what happens when the plane is flying upside down? Tune in to this podcast from HowStuffWorks.com to discover ways that acrobatic planes fly upside down without crashing. HowStuffWorks.com What's that bumpy stuff on my ceiling? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-13-brainstuff-popcorn-ceiling.mp3 That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from HowStuffWorks.com to find out what this treatment is -- and why it's so popular. Science & Medicine Mon, 13 Apr 2009 09:50:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-13-brainstuff-popcorn-ceiling.mp3 00:02:03 no howstuffworks, brainstuff, popcorn, ceiling, treatment, acoustic finish, textured finish, imperfections, echo, plaster That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from HowStuffWorks.com to find out what this treatment is -- and why it's so popular. HowStuffWorks.com How does popcorn work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-10-brainstuff-popcorn.mp3 Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. Science & Medicine Fri, 10 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-10-brainstuff-popcorn.mp3 00:02:37 no howstuffworks, brainstuff, popcorn, kernel, starch, moisture, pressure, shell, explode, heat, bread, needle Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com. HowStuffWorks.com Is there a way to detect illegal phone taps? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-08-brainstuff-phone-taps.mp3 Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps. Science & Medicine Wed, 08 Apr 2009 07:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-08-brainstuff-phone-taps.mp3 00:02:17 no howstuffworks, brainstuff, phone taps, illegal, federal offense, splice, land line, tape recorder Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps. HowStuffWorks.com How does an oxygen canister on an airplane work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-06-brainstuff-oxygen-canister.mp3 When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. Science & Medicine Mon, 06 Apr 2009 11:32:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-06-brainstuff-oxygen-canister.mp3 00:02:36 no howstuffworks, brainstuff, oxygen canister, store, oxygen, scuba, chemical oxygen generators, sodium chlorate When you think of storing oxygen, metal tanks full of gas might come to mind. There's also a chemical method -- tune in to this podcast from HowStuffWorks.com to learn about how oxygen canisters work. HowStuffWorks.com How does nitrous oxide help an engine perform better? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-03-brainstuff-nitrous.mp3 Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. Science & Medicine Fri, 03 Apr 2009 11:30:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-03-brainstuff-nitrous.mp3 00:02:11 no howstuffworks, brainstuff, nitrous oxide, engine, power, combustion, nitrous, oxygen, heat, cooling, nitrogen Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com. HowStuffWorks.com How do nail penny measurements work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-04-01-brainstuff-nail-pennies.mp3 Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from. Science & Medicine Wed, 01 Apr 2009 08:00:00 -0400 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-04-01-brainstuff-nail-pennies.mp3 00:01:40 no howstuffworks, brainstuff, nails, pennies, penny, diameter, measurement, unit, measured, nail pennies, nail Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from. HowStuffWorks.com Can you explain the diameter measurements used in bullets? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-30-bullet-caliber.mp3 Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com. Science & Medicine Mon, 30 Mar 2009 20:00:00 +0000 podcast@howstuffworks.com (HowStuffWorks.com) http://podcasts.discovery.com/hsw/podcasts/brainstuff/2009-03-30-bullet-caliber.mp3 00:01:36 no howstuffworks, brainstuff, bullet, caliber, diameter, measurements, magnum, special, gauge, powder, shotgun, lead Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com. HowStuffWorks.com Can grilling meat really cause cancer? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-23-brainstuff-meat-cancer.mp3 Lots of people like to grill their meat, but this popular cooking method has been linked to cancer. Discover how chemical reactions make grilled meat potentially carcinogenic in this podcast from HowStuffWorks.com. Science & Medicine Mon, 23 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237580730804hsw-brainstuff-meat-cancer.mp3 00:02:06 no howstuffworks, brainstuff, cancer, grilling, meat, polycyclic aromatic hydrocarbons, benzene rings, heat, chemical Lots of people like to grill their meat, but this popular cooking method has been linked to cancer. Discover how chemical reactions make grilled meat potentially carcinogenic in this podcast from HowStuffWorks.com. HowStuffWorks.com How does gravity work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-20-brainstuff-gravity.mp3 Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. Science & Medicine Fri, 20 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237483480553hsw-brainstuff-gravity.mp3 00:02:24 no howstuffworks, brainstuff, gravity, mass, force, G, Newton, Einstein, gravitational constant, dyne, law Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. HowStuffWorks.com How quickly does hair grow? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-18-brainstuff-hair-growth.mp3 On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. Science & Medicine Wed, 18 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1237313901173hsw-brainstuff-hair-growth.mp3 00:01:07 no howstuffworks, brainstuff, hair growth, human, hair, grow, millimeter, long hair, six years On average, human hair grows a small amount each day. Listen in as Marshall Brain explains hair growth in this podcast from HowStuffWorks.com. HowStuffWorks.com How long can a germ live in a room? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-16-brainstuff-germ-life.mp3 How long can a germ last outside the body? It depends. Tune in to this podcast from HowStuffWorks.com to find out how different germs fare outside the body. Science & Medicine Mon, 16 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236974289713hsw-brainstuff-germ-life.mp3 00:01:53 no howstuffworks, brainstuff, germ, type, infectious, virus, bacterium, smallpox, anthrax, AIDS, hepatitis, syphilis How long can a germ last outside the body? It depends. Tune in to this podcast from HowStuffWorks.com to find out how different germs fare outside the body. HowStuffWorks.com How do fog machines work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-13-brainstuff-fog-machine.mp3 There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. Science & Medicine Fri, 13 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367805071hsw-brainstuff-fog-machine.mp3 00:01:36 no howstuffworks, brainstuff, fog machine, how do fog machines work, fog, dry ice There are several types of fog machines, each with specific advantages and disadvantages. Listen in to learn more about fog machines. HowStuffWorks.com How does a chicken's egg get its shell? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-11-brainstuff-egg-shells.mp3 Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. Science & Medicine Wed, 11 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367757385hsw-brainstuff-egg-shells.mp3 00:01:23 no howstuffworks, brainstuff, egg shells, eggs, chicken, egg formation Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com. HowStuffWorks.com Are florescent bulbs really more efficient? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-09-brainstuff-bulb-efficiency.mp3 Customers are increasingly choosing long-lasting alternatives to traditional incandescent lights. But are florescent lightbulbs really more efficient than traditional lightbulbs? Listen in and find out in this podcast from HowStuffWorks.com. Science & Medicine Mon, 09 Mar 2009 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236367688262hsw-brainstuff-bulb-efficiency.mp3 00:01:10 no howstuffworks, brainstuff, florescent lightbulb, light bulb efficiency Customers are increasingly choosing long-lasting alternatives to traditional incandescent lights. But are florescent lightbulbs really more efficient than traditional lightbulbs? Listen in and find out in this podcast from HowStuffWorks.com. HowStuffWorks.com How Car Thermostats Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-06-brainstuff-car-themostat.mp3 Any liquid-cooled car engine has a thermostat that blocks the flow of coolant to the radiator. Learn how the thermostat works to reduce wear, deposits and emissions in this podcast from HowStuffWorks.com. Science & Medicine Fri, 06 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236194037623hsw-brainstuff-car-themostat.mp3 00:02:04 no brainstuff, car thermostat, car temperature, automobile thermostat Any liquid-cooled car engine has a thermostat that blocks the flow of coolant to the radiator. Learn how the thermostat works to reduce wear, deposits and emissions in this podcast from HowStuffWorks.com. HowStuffWorks.com Why can boats float on water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-04-brainstuff-boat-float.mp3 If a boat weighs 1,000 pounds, it will sink into the water until it displaces 1,000 pounds of water. Tune in to learn how the shape of a boat allows it to displace enough water to float in this podcast from HowStuffWorks.com. Science & Medicine Wed, 04 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1236022322232hsw-brainstuff-boat-float.mp3 00:03:02 no howstuffworks, brainstuff, boat float, how do boats float? If a boat weighs 1,000 pounds, it will sink into the water until it displaces 1,000 pounds of water. Tune in to learn how the shape of a boat allows it to displace enough water to float in this podcast from HowStuffWorks.com. HowStuffWorks.com How the Virtual First-Down Line Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-03-02-brainstuff-first-down-line1.mp3 Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com. Science & Medicine Mon, 02 Mar 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235753277550hsw-brainstuff-first-down-line1.mp3 00:03:23 no howstuffworks, brainstuff, virtual first down line, first down, football Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com. HowStuffWorks.com How does hemp work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-27-brainstuff-hemp.mp3 Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy surrounding hemp in this podcast from HowStuffWorks.com. Science & Medicine Fri, 27 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235161079242hsw-brainstuff-hemp.mp3 00:02:30 no howstuffworks, hemp, marijuana, hemp fibers, hemp clothing, brainstuff Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy surrounding hemp in this podcast from HowStuffWorks.com. HowStuffWorks.com What is dioxin? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-25-brainstuff-dioxin.mp3 Dioxin is an organic chemical that consists of benzene, oxygen and chlorine. This chemical is also toxic. Tune in to learn more about dioxin and Agent Orange in this podcast from HowStuffWorks.com. Science & Medicine Wed, 25 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235160624439hsw-brainstuff-dioxin.mp3 00:02:19 no howstuffworks, brainstuff, dioxin, agent orange, DDT, toxic chemicals, dioxin toxicity Dioxin is an organic chemical that consists of benzene, oxygen and chlorine. This chemical is also toxic. Tune in to learn more about dioxin and Agent Orange in this podcast from HowStuffWorks.com. HowStuffWorks.com How do bake and broil settings differ? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-23-brainstuff-bake-v-broil.mp3 Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. Science & Medicine Mon, 23 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235154144698hsw-brainstuff-bake-v-broil.mp3 00:03:00 no howstuffworks, brainstuff, oven, bake, broil, hot air, preheat, infrared radiation, grill, broiler Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in this podcast from HowStuffWorks.com. HowStuffWorks.com How Activated Charcoal Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-20-brainstuff-activated-charcoal.mp3 If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com. Science & Medicine Fri, 20 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1235069164274hsw-brainstuff-activated-charcoal.mp3 00:01:54 no howstuffworks, brainstuff, charcoal water filter, activated charcoal, charcoal filtration If you look on the label of a water filter, you'll often see the filter contains activated charcoal -- but what exactly is this stuff? Tune in as Marshall Brain explains the nature of activated charcoal in this podcast from HowStuffWorks.com. HowStuffWorks.com How do astronomers measure distance? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-18-brainstuff-distance-to-star.mp3 Since astronomers cannot actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this podcast from HowStuffWorks. Science & Medicine Wed, 18 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234891250403hsw-brainstuff-distance-to-star.mp3 00:01:59 no howstuffworks, brainstuff, distance from earth, star distance, parallax Since astronomers cannot actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Listen in as Marshall Brain breaks down the science of space measurement in this podcast from HowStuffWorks. HowStuffWorks.com Why do hurricanes follow such peculiar tracks? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-16-brainstuff-hurricane-tracks.mp3 Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes. Science & Medicine Mon, 16 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234546817949hsw-brainstuff-hurricane-tracks.mp3 00:01:58 no howstuffworks, brainstuff, hurricanes, hurricane movement, tropical storm, formation of hurricanes Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes. HowStuffWorks.com How big is the universe? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-13-brainstuff-mass-of-universe.mp3 If all the matter in the universe was pushed into one corner, how much space would it take up? Listen in as Marshall Brain explores the size of the universe in this podcast from HowStuffWorks. Science & Medicine Fri, 13 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234460598290hsw-brainstuff-mass-of-universe.mp3 00:02:24 no howstuffworks, brainstuff, mass of universe, how big is the universe? If all the matter in the universe was pushed into one corner, how much space would it take up? Listen in as Marshall Brain explores the size of the universe in this podcast from HowStuffWorks. HowStuffWorks.com How does SETI at home work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-11-brainstuff-seti.mp3 SETI -- the Search for Extraterrestrial Intelligence -- is an enormous, global undertaking meant to detect signs of life beyond our solar system. Learn how you can help from home in this podcast from HowStuffWorks. Science & Medicine Wed, 11 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1234282130011hsw-brainstuff-seti.mp3 00:03:39 no howstuffworks, brainstuff, seti, satellite, SETI at home SETI -- the Search for Extraterrestrial Intelligence -- is an enormous, global undertaking meant to detect signs of life beyond our solar system. Learn how you can help from home in this podcast from HowStuffWorks. HowStuffWorks.com How often do state quarters come out? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-09-brainstuff-state-quarters.mp3 A new state quarter is released about every ten weeks, and they're released according to the order in which each state joined the union. Learn more about state quarters in this podcast from HowStuffWorks. Science & Medicine Mon, 09 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233950304870hsw-brainstuff-state-quarters.mp3 00:01:29 no howstuffworks, brainstuff, state quarters, how quarters work, A new state quarter is released about every ten weeks, and they're released according to the order in which each state joined the union. Learn more about state quarters in this podcast from HowStuffWorks. HowStuffWorks.com What do the ul marks on so many products mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-06-brainstuff-ul-mark.mp3 UL stands for 'underwriters laboratories,' a safety testing organization -- but what exactly does this group do, and why do they do it? Tune in and learn more about the UL mark in this podcast from HowStuffWorks. Science & Medicine Fri, 06 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233866351737hsw-brainstuff-ul-mark.mp3 00:01:26 no howstuffworks, brainstuff, UL, underwriter's laboratories, branding, food safety UL stands for 'underwriters laboratories,' a safety testing organization -- but what exactly does this group do, and why do they do it? Tune in and learn more about the UL mark in this podcast from HowStuffWorks. HowStuffWorks.com What does the VTEC system do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-04-brainstuff-vtec.mp3 Every gasoline engine has valves that work with the camshaft to let air into and out of the engine. Learn how VTEC -- Variable Valve Timing and Lift Electronic Control -- allows engines to adapt their camshafts in this HowStuffWorks podcast. Science & Medicine Wed, 04 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233695231574hsw-brainstuff-vtec.mp3 00:02:15 no brainstuff, howstuffworks, v-tec, what is v-tec, how vtec works Every gasoline engine has valves that work with the camshaft to let air into and out of the engine. Learn how VTEC -- Variable Valve Timing and Lift Electronic Control -- allows engines to adapt their camshafts in this HowStuffWorks podcast. HowStuffWorks.com What is silica gel? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-02-02-brainstuff-silica-gel.mp3 Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do? Check out this HowStuffWorks podcast and learn more about silica gel. Science & Medicine Mon, 02 Feb 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233335661445hsw-brainstuff-silica-gel.mp3 00:01:43 no howstuffworks, brainstuff, silica gel, desiccant Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do? Check out this HowStuffWorks podcast and learn more about silica gel. HowStuffWorks.com Why doesn't the vacuum of space suck away Earth's atmosphere? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-30-brainstuff-vacuum.mp3 It's often said that "nature abhores a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. Science & Medicine Fri, 30 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233170887984hsw-brainstuff-vacuum.mp3 00:02:50 no howstuffworks, how stuff works, vacuum, space, brainstuff, atomspheric pressure, vacuum of space It's often said that "nature abhores a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. HowStuffWorks.com How can I gain pounds during the day and lose them at night? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-28-brainstuff-water-weight.mp3 Water is a very heavy substance -- just one galloon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. Science & Medicine Wed, 28 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1233084019533hsw-brainstuff-water-weight.mp3 00:01:50 no brainstuff, brain stuff, howstuffworks, water weight, weight fluctuation Water is a very heavy substance -- just one galloon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight. HowStuffWorks.com What's the total amount of gold in the world? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-26-brainstuff-amount-of-gold.mp3 Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. Science & Medicine Mon, 26 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1232040367163hsw-brainstuff-amount-of-gold.mp3 00:03:32 no howstuffworks, brainstuff, gold, amount, troy ounce, kilogram, liter, aztecs, washington monument, platinum Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. HowStuffWorks.com What type of gas do racecars use? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-23-brainstuff-race-gas.mp3 Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. Science & Medicine Fri, 23 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231535083840hsw-brainstuff-race-gas.mp3 00:01:21 no brainstuff, howstuffworks, race car gas, petroleum, ethanol, dragster fuel, racing fuel Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type. HowStuffWorks.com What do those plastic recycling symbols means? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-21-brainstuff-plastic-recycling.mp3 A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. Science & Medicine Wed, 21 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231535038895hsw-brainstuff-plastic-recycling.mp3 00:02:31 no brainstuff, howstuffworks, recycling, plastic recycling, types of plastic A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. HowStuffWorks.com What's in mothballs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-19-brainstuff-moth-balls.mp3 There are two different types of mothballs, each of which contains separate moth-killing ingredients. Tune in as Marshall Brain explains the science behind mothballs in this podcast from HowStuffWorks. Science & Medicine Mon, 19 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231534990654hsw-brainstuff-moth-balls.mp3 00:02:09 no brainstuff, howstuffworks, mothballs, moth balls, clothing, mothball fumes There are two different types of mothballs, each of which contains separate moth-killing ingredients. Tune in as Marshall Brain explains the science behind mothballs in this podcast from HowStuffWorks. HowStuffWorks.com What is the heat index? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-16-brainstuff-heat-index.mp3 Your body has efficient ways to release excess heat, but high temperatures and high humidity create a sticky situation. Find out how the heat index keeps you abreast of dangerous heat situations in this HowStuffWorks podcast. Science & Medicine Fri, 16 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231532662492hsw-brainstuff-heat-index.mp3 00:02:21 no howstuffworks, brainstuff, heat, index, heat index, heat, cooling, evaporative, sweat, humidity, weather Your body has efficient ways to release excess heat, but high temperatures and high humidity create a sticky situation. Find out how the heat index keeps you abreast of dangerous heat situations in this HowStuffWorks podcast. HowStuffWorks.com Why do your ears pop when you dive in a deep pool? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-14-brainstuff-ears-in-pool.mp3 Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this HowStuffWorks podcast reveals. Science & Medicine Wed, 14 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231532591287hsw-brainstuff-ears-in-pool.mp3 00:02:39 no howstuffworks, brainstuff, ears, pool, ear canal, ear drum, middle ear, Eustachian tube Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this HowStuffWorks podcast reveals. HowStuffWorks.com How do you make clear ice cubes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-12-brainstuff-clear-ice.mp3 What makes some ice cloudy and some perfectly clear? Discover the answer and learn how to make your own batch of clear cubes in this HowStuffWorks podcast. Science & Medicine Mon, 12 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231531745231hsw-brainstuff-clear-ice.mp3 00:01:24 no howstuffworks, brainstuff, clear, ice, ice cubes, layers, pure, water, icemaker, distilled water What makes some ice cloudy and some perfectly clear? Discover the answer and learn how to make your own batch of clear cubes in this HowStuffWorks podcast. HowStuffWorks.com How many balloons would it take to life someone off the ground? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-09-brainstuff-lift-with-balloons.mp3 Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more. Science & Medicine Fri, 09 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231430857469hsw-brainstuff-lift-with-balloons.mp3 00:01:42 no brainstuff, brain stuff, howstuffworks, helium balloons, how many balloons will lift me Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more. HowStuffWorks.com How does chlorine bleach work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-07-brainstuff-bleach.mp3 When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products. Science & Medicine Wed, 07 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2009/1231185343836hsw-brainstuff-bleach.mp3 00:02:29 no howstuffworks, brainstuff, brain stuff, bleach, chlorine, chlorine beach When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products. HowStuffWorks.com Can water go bad? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-05-brainstuff-bad-water.mp3 Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Marshall Brain breaks down the science of water purification in this HowStuffWorks podcast. Science & Medicine Mon, 05 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1230740404523hsw-brainstuff-bad-water.mp3 00:01:57 no brainstuff, brain stuff, water, can water go bad, water contamination, purified water, wells, emergency water Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Marshall Brain breaks down the science of water purification in this HowStuffWorks podcast. HowStuffWorks.com How can you figure out how far away lightning struck? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2009-01-02-brainstuff-lightning-distance.mp3 Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. Science & Medicine Fri, 02 Jan 2009 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712926896hsw-brainstuff-lightning-distance.mp3 00:01:38 no brainstuff, howstuffworks, lightning, calculate lightning, thunder Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation. HowStuffWorks.com What's the difference between LPG or natural gas? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-31-brainstuff-lpg-vs-ng.mp3 Since liquefied petroleum gas and natural gas have very different properties, it's always important to specify which substance you will use when buying an appliance. Check out this podcast from HowStuffWorks to learn more. Science & Medicine Wed, 31 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712869939hsw-brainstuff-lpg-vs-ng.mp3 00:02:27 no brainstuff, howstuffworks, liquefied petroleum gas, natural gas Since liquefied petroleum gas and natural gas have very different properties, it's always important to specify which substance you will use when buying an appliance. Check out this podcast from HowStuffWorks to learn more. HowStuffWorks.com Why is carbon monoxide so poisonous? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-29-brainstuff-carbon-monoxide.mp3 The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more. Science & Medicine Mon, 29 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712790251hsw-brainstuff-carbon-monoxide.mp3 00:01:52 no brainstuff, howstuffworks, carbon monoxide, pollution, asphyxiation The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more. HowStuffWorks.com How Botulism Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-26-brainstuff-botulism.mp3 Botulism bacteria creates a type of poisoning and paralysis. Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. Science & Medicine Fri, 26 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229712710657hsw-brainstuff-botulism.mp3 00:02:20 no brainstuff, howstuffworks, botulism, canned food, botulin, honey Botulism bacteria creates a type of poisoning and paralysis. Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism. HowStuffWorks.com What is the ideal temperature for a refrigerator? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-24-brainstuff-refrig-temp.mp3 The purpose of a refrigerator is to slow the growth of bacteria -- since some foods don't freeze well, they can't be placed in a freezer. Check out this HowStuffWorks podcast to learn the ideal temperature for your refrigerator. Science & Medicine Wed, 24 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229117000843hsw-brainstuff-refrig-temp.mp3 00:01:19 no brainstuff, brain stuff, howstuffworks, how stuff works, The purpose of a refrigerator is to slow the growth of bacteria -- since some foods don't freeze well, they can't be placed in a freezer. Check out this HowStuffWorks podcast to learn the ideal temperature for your refrigerator. HowStuffWorks.com Does adding RAM make a computer faster? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-22-brainstuff-ram.mp3 Adding random access memory -- or RAM -- to your computer can, to a degree, make the machine faster. Check out this podcast from HowStuffWorks to learn how RAM affects your computer. Science & Medicine Mon, 22 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229116943854hsw-brainstuff-ram.mp3 00:03:00 no brainstuff, brain stuff, howstuffworks, how stuff works, random access memory, ram, computer Adding random access memory -- or RAM -- to your computer can, to a degree, make the machine faster. Check out this podcast from HowStuffWorks to learn how RAM affects your computer. HowStuffWorks.com What does 'octane' mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-19-brainstuff-octane.mp3 The octane rating of gasoline indicates how much a fuel can be compressed before it ignites. When gas ignites due to compression, knocking occurs within the engine. Check out this HowStuffWorks podcast to learn more about octane and engines. Science & Medicine Fri, 19 Dec 2008 13:00:00 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1229116892223hsw-brainstuff-octane.mp3 00:02:43 no brainstuff, brain stuff, howstuffworks, how stuff works, octane, fuel The octane rating of gasoline indicates how much a fuel can be compressed before it ignites. When gas ignites due to compression, knocking occurs within the engine. Check out this HowStuffWorks podcast to learn more about octane and engines. HowStuffWorks.com How Contrails Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-17-brainstuff-contrail.mp3 The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. Science & Medicine Wed, 17 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835933043hsw-brainstuff-contrail.mp3 00:01:55 no brainstuff, brain stuff, howstuffworks, how stuff works, contrails, condensation trails, condensation The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets. HowStuffWorks.com How Vacuums Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-15-brainstuff-vacuum-balloon.mp3 If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. Science & Medicine Mon, 15 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835446293hsw-brainstuff-vacuum-balloon.mp3 00:01:58 no brainstuff, brain stuff, howstuffworks, how stuff works, vacuum, ballon, vacuum balloon, helium balloon If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum. HowStuffWorks.com What is an MRE? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-12-brainstuff-mre.mp3 An MRE -- or meal ready to eat -- contains precooked, sterilized food originally made to nourish soldiers. Check out this HowStuffWorks podcast to learn more about the retort packaging that makes MREs possible. Science & Medicine Fri, 12 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835391429hsw-brainstuff-mre.mp3 00:01:27 no brainstuff, brain stuff, howstuffworks, how stuff works, meal ready to eat, MRE, packaged food An MRE -- or meal ready to eat -- contains precooked, sterilized food originally made to nourish soldiers. Check out this HowStuffWorks podcast to learn more about the retort packaging that makes MREs possible. HowStuffWorks.com How Diaper Crystals Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-10-brainstuff-diaper-crystals.mp3 Most disposable diapers contain a crystalline, absorbent substance called sodium polyacrylate. Learn how this polymer helps contain messes -- and some of the controversy surrounding this substance -- in this podcast from HowStuffWorks. Science & Medicine Wed, 10 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228835337049hsw-brainstuff-diaper-crystals.mp3 00:01:35 no brainstuff, brain stuff, howstuffworks, how stuff works, sodium polyacrylate, disposable diaper, diaper, diaper crystals Most disposable diapers contain a crystalline, absorbent substance called sodium polyacrylate. Learn how this polymer helps contain messes -- and some of the controversy surrounding this substance -- in this podcast from HowStuffWorks. HowStuffWorks.com How Case Hardening Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-08-brainstuff-case-harden.mp3 Steel is an amazing metal. Many different varieties of steel exist, and some types of steel are better for certain tasks. Check out this HowStuffWorks podcast to learn how case hardening allows manufactures to get the best of multiple types of steel. Science & Medicine Mon, 08 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1228505878716hsw-brainstuff-case-harden.mp3 00:01:41 no brainstuff, brain stuff, case harden, steel, case hardening, steel alloy Steel is an amazing metal. Many different varieties of steel exist, and some types of steel are better for certain tasks. Check out this HowStuffWorks podcast to learn how case hardening allows manufactures to get the best of multiple types of steel. HowStuffWorks.com How Inkjet Printers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-05-brainstuff-inkjet.mp3 Inkjet printers shoot extremely small droplets of ink -- thirty dots per millimeter or more -- onto paper to produce a picture. Check out this HowStuffWorks podcast to learn more about inkjet printers. Science & Medicine Fri, 05 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647544170hsw-brainstuff-inkjet.mp3 00:01:30 no howstuffworks, how stuff works, hsw, brainstuff, brain stuff, inkjet Inkjet printers shoot extremely small droplets of ink -- thirty dots per millimeter or more -- onto paper to produce a picture. Check out this HowStuffWorks podcast to learn more about inkjet printers. HowStuffWorks.com How Polygraph Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-03-brainstuff-polygraph.mp3 Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection. Science & Medicine Wed, 03 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647492852hsw-brainstuff-polygraph.mp3 00:02:04 no howstuffworks, how stuff works, hsw, brain stuff, brainstuff, polygraph, lie detector Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection. HowStuffWorks.com How V-chips Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-12-01-brainstuff-vchip.mp3 As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings. Science & Medicine Mon, 01 Dec 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227647430613hsw-brainstuff-vchip.mp3 00:02:22 no howstuffworks, how stuff works, hsw, brainstuff, brain stuff, vchip, As of 1999, all TV sets sold in the Untied States are required to contain a viewer-control chip, also known as a v-chip. Check out this HowStuffWorks podcast to learn more about v-chips and television ratings. HowStuffWorks.com How Replacing Toilets Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-28-brainstuff-replace-toilets.mp3 A family of four can consume more than 300 galloons of water per day. Old toilets use 5 galloons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. Science & Medicine Fri, 28 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227126109190hsw-brainstuff-replace-toilets.mp3 00:01:44 no howstuffworks, how stuff works, brainstuff, brain stuff, toilets, toilet, commode A family of four can consume more than 300 galloons of water per day. Old toilets use 5 galloons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. HowStuffWorks.com Can I see the stuff astronauts left on the moon? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-26-brainstuff-moon-telescope.mp3 Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. Science & Medicine Wed, 26 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227126044328hsw-brainstuff-moon-telescope.mp3 00:01:27 no howstuffworks, how stuff works, brainstuff, brain stuff, astronomy, space, moon telescope, lunar telescope, NASA Using a telescope to view the moon is fascinating -- but could we see the leftovers of NASA's lunar expeditions? Check out this HowStuffWorks podcast to learn more about lunar landings and telescopes. HowStuffWorks.com How the Horizon Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-24-brainstuff-horizon.mp3 When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this HowStuffWorks podcast to learn more about the horizon and the curvature of Earth. Science & Medicine Mon, 24 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227125995212hsw-brainstuff-horizon.mp3 00:01:12 no howstuffworks, how stuff works, brainstuff, brain stuff, horizon, perspective When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this HowStuffWorks podcast to learn more about the horizon and the curvature of Earth. HowStuffWorks.com How much fuel does an international airplane use for a trip? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-21-brainstuff-airplane-mileage.mp3 A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. Science & Medicine Fri, 21 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034227768hsw-brainstuff-airplane-mileage.mp3 00:01:35 no howstuffworks, how stuff works, brainstuff, brain stuff, airplane mileage, airplane, aircraft, airplane fuel A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage. HowStuffWorks.com What are MP3 files and how do they work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-19-brainstuff-mp3.mp3 CDs store music using 44,100 16-bit digital samples per second, adding up to about 10 megabytes per minute -- and that's too large to move easily move across the internet. Check out this HowStuffWorks podcast to learn how MP3 files solve this problem. Science & Medicine Wed, 19 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1227034165326hsw-brainstuff-mp3.mp3 00:02:06 no brain stuff, brainstuff, mp3, electronic music, digital music, howstuffworks, how stuff works CDs store music using 44,100 16-bit digital samples per second, adding up to about 10 megabytes per minute -- and that's too large to move easily move across the internet. Check out this HowStuffWorks podcast to learn how MP3 files solve this problem. HowStuffWorks.com How Sea Monkeys Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-17-brainstuff-sea-monkeys.mp3 Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this HowStuffWorks podcast and learn more about the secret behind Sea Monkeys. Science & Medicine Mon, 17 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226692289275hsw-brainstuff-sea-monkeys.mp3 00:01:20 no brainstuff, brain stuff, howstuffworks, hsw, sea monkey, sea monkeys, brine shrimp, shrimp, cyst Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this HowStuffWorks podcast and learn more about the secret behind Sea Monkeys. HowStuffWorks.com How much oxygen does a person consume in a day? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-14-brainstuff-oxygen.mp3 The average adult at rest inhales and exhales between 7 to 8 liters of air each minutes. Check out this HowStuffWorks podcast to learn how much oxygen a person uses during a day of inhalation and exhalation. Science & Medicine Fri, 14 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226428546386hsw-brainstuff-oxygen.mp3 00:01:41 no brainstuff, brain stuff, hsw, howstuffworks, oxygen, inhalation, exhalation, breathing, respiration The average adult at rest inhales and exhales between 7 to 8 liters of air each minutes. Check out this HowStuffWorks podcast to learn how much oxygen a person uses during a day of inhalation and exhalation. HowStuffWorks.com How Marshmallows Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-12-brainstuff-marshmallow.mp3 Marshmallows are an old candy -- they've been around since the 1800s. The name marshmallow comes from the original recipe, which called for sap from the marshmallow plant. Check out this HowStuffWorks to learn more about the history of marshmallows. Science & Medicine Wed, 12 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226428267065hsw-brainstuff-marshmallow.mp3 00:01:41 no brainstuff, brain stuff, hsw, howstuffworks, marshmallow, candy, gelatin Marshmallows are an old candy -- they've been around since the 1800s. The name marshmallow comes from the original recipe, which called for sap from the marshmallow plant. Check out this HowStuffWorks to learn more about the history of marshmallows. HowStuffWorks.com What is a lightyear? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-10-brainstuff-lightyear.mp3 A lightyear is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this podcast from HowStuffWorks to learn more about astronomy. Science & Medicine Mon, 10 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1226066198342hsw-brainstuff-lightyear.mp3 00:02:46 no brainstuff, brain stuff, podcast, howstuffworks, light year, lightyear, astronomy, space, A lightyear is a way of measuring distance -- specifically, the distance light can travel in one year. Just how far is that? Check out this podcast from HowStuffWorks to learn more about astronomy. HowStuffWorks.com Why are traffic lights being replaced with LEDs? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-07-brainstuff-led-traffic-lights.mp3 Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. Science & Medicine Fri, 07 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225749216218hsw-brainstuff-led-traffic-lights.mp3 00:01:46 no howstuffworks, hsw, brainstuff, brain stuff, LED, traffic light, traffic Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. HowStuffWorks.com What are hot dogs made from? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-05-brainstuff-hot-dogs.mp3 Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. Science & Medicine Wed, 05 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225749104646hsw-brainstuff-hot-dogs.mp3 00:02:12 no howstuffworks, hsw, brainstuff, brain stuff, hot dogs, hot dog, pork Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs. HowStuffWorks.com Why is there a small hole on the top of spray can lids? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-11-03-brainstuff-spray-can-lid.mp3 Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping, and air pressure. Science & Medicine Mon, 03 Nov 2008 13:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225394698716hsw-brainstuff-spray-can-lid.mp3 00:01:22 no brainstuff, brain stuff, how stuff works, spray can, spray paint can, spray paint, pressure, spray can lid Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping, and air pressure. HowStuffWorks.com What Happens to Blood During the Embalming Process? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-31-brainstuff-embalming.mp3 The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks podcast. Science & Medicine Fri, 31 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225373073127hsw-brainstuff-embalming.mp3 00:02:37 no howstuffworks, brainstuff, blood, embalming, preservatives, embalming fluid, sewer, arteries, veins, bloat, organs The embalming process is designed to keep the body preserved until the funeral, but how exactly does it work and what happens to bodily fluids like blood? Get the gory details in this HowStuffWorks podcast. HowStuffWorks.com What causes poison ivy blisters? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-29-brainstuff-poison-ivy.mp3 When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes. Science & Medicine Wed, 29 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1225225803535hsw-brainstuff-poison-ivy.mp3 00:02:36 no brainstuff, brain stuff, podcast, poison ivy, poison, rash, allergy When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes. HowStuffWorks.com What do the yellow and black wires in a home telephone jack do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-27-brainstuff-phone-jacks.mp3 It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. Science & Medicine Mon, 27 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224856445296hsw-brainstuff-phone-jacks.mp3 00:02:10 no howstuffworks, hsw, brainstuff, brain stuff, telephony, telephone, phone jack, phone, phone line It only takes two wires to connect a phone, but most house wiring contains four wires. Check out this HowStuffWorks podcast to learn why. HowStuffWorks.com How the Lightsaber Effect Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-24-brainstuff-light-saber.mp3 Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. Science & Medicine Fri, 24 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224782733687hsw-brainstuff-light-saber.mp3 00:01:45 no howstuffworks, hsw, brainstuff, brain stuff, lightsaber, light saber, star wars Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers. HowStuffWorks.com Why doesn't paper money disintegrate in the washing machine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-22-brainstuff-paper-money.mp3 Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. Science & Medicine Wed, 22 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224619553520hsw-brainstuff-paper-money.mp3 00:01:41 no paper money, money, economy, federal reserve, finance Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks. HowStuffWorks.com How are old black and white movies colorized? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-20-brainstuff-colorize2.mp3 Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of the film. Learn more about colorization in this HowStuffWorks podcast. Science & Medicine Mon, 20 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1224267504200hsw-brainstuff-colorize2.mp3 00:01:55 no brainstuff, brain stuff, howstuffworks, how stuff works, colorize, colorization, marshall brain, film, Technicolor Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of the film. Learn more about colorization in this HowStuffWorks podcast. HowStuffWorks.com How hair length works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-17-brainstuff-hair-length.mp3 As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growth and rest phases. Science & Medicine Fri, 17 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223051316120hsw-brainstuff-hair-length.mp3 00:02:03 no howstuffworks, how stuff works, brainstuff As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growth and rest phases. HowStuffWorks.com Why does hydrogen peroxide foam when you put it on a cut? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-15-brainstuff-h2o2.mp3 Hydrogen peroxide's foaming action is due to the catalase in blood and cells. Check out this HowStuffWorks podcast to learn how hydrogen peroxide interacts with catalase. Science & Medicine Wed, 15 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223051229996hsw-brainstuff-h2o2.mp3 00:01:47 no howstuffworks, how stuff works, brainstuff, hydrogen peroxide Hydrogen peroxide's foaming action is due to the catalase in blood and cells. Check out this HowStuffWorks podcast to learn how hydrogen peroxide interacts with catalase. HowStuffWorks.com What is fertilizer, and why do plants need it? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-13-brainstuff-fertilizer.mp3 In order for a plant to grow and thrive, it needs a number of different chemical elements. Check out this podcast from HowStuffWorks to learn more about fertilizer. Science & Medicine Mon, 13 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1223050944455hsw-brainstuff-fertilizer.mp3 00:02:33 no howstuffworks, how stuff works, brainstuff, plants, gardening, fertilizer In order for a plant to grow and thrive, it needs a number of different chemical elements. Check out this podcast from HowStuffWorks to learn more about fertilizer. HowStuffWorks.com Why do apples and potatoes turn brown when you slice them? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-10-brainstuff-brown-apples.mp3 All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen. Science & Medicine Fri, 10 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354333116hsw-brainstuff-brown-apples.mp3 00:01:29 no brainstuff, howstuffworks, how stuff works, brain stuff, potato, tomato All cells contains thousands of enzymes, and each of these enzymes is necessary for the cell. Check out this HowStuffWorks podcast to learn which enzymes cause apples and potatoes to turn brown upon exposure to oxygen. HowStuffWorks.com What is an anti-siphon valve? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-08-brainstuff-anti-siphon-valve.mp3 In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. Science & Medicine Wed, 08 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222354270330hsw-brainstuff-anti-siphon-valve.mp3 00:03:23 no brainstuff, howstuffworks, how stuff works, brain stuff, anti-siphon valve, antisiphon valve In houses with a built-in sprinkler system, anti-siphon valves prevent pesticides, pet waste, and other contaminants from polluting the home's water source. Check out this HowStuffWorks podcast to learn more about anti-siphon valves. HowStuffWorks.com How do exhaust headers work to improve an engine's performance? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-06-brainstuff-exhaust-headers.mp3 The goal of headers is to make it easier for an engine to push out exhaust gasses. Check out this HowStuffWorks podcast to learn how exhaust headers channel exhaust gasses and improve engine efficiency. Science & Medicine Mon, 06 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222353233469hsw-brainstuff-exhaust-headers.mp3 00:02:09 no brainstuff, howstuffworks, how stuff works, brain stuff, engine, exhaust header, exhaust The goal of headers is to make it easier for an engine to push out exhaust gasses. Check out this HowStuffWorks podcast to learn how exhaust headers channel exhaust gasses and improve engine efficiency. HowStuffWorks.com How a GFCI outlet works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-03-brainstuff-gfci.mp3 A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more. Science & Medicine Fri, 03 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222352862973hsw-brainstuff-gfci.mp3 00:01:49 no brainstuff, howstuffworks, how stuff works, brain stuff, electricity, outlet, gcfi A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more. HowStuffWorks.com What is chewing gum made of? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-10-01-brainstuff-gum.mp3 Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. Science & Medicine Wed, 01 Oct 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222352483838hsw-brainstuff-gum.mp3 00:01:35 no brainstuff, howstuffworks, how stuff works, brain stuff, gum, chewing gum, chicle Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. HowStuffWorks.com Could anti-lock brakes detect a flat? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-29-brainstuff-flat-tire.mp3 By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. Science & Medicine Mon, 29 Sep 2008 12:00:00 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1222094529762hsw-brainstuff-flat-tire.mp3 00:02:17 no howstuffworks, how stuff works, brainstuff, brain stuff, Anti-lock Braking System, rotation sensor, flat tire By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems. HowStuffWorks.com Why do the plugs on some appliances have two prongs and others have three? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-26-brainstuff-three-prong_-plug.mp3 When you look at a normal 120-volt outlet in the United States, there are two vertical slots and then a round hole centered below. Take a look at this HowStuffWorks article to learn why appliance cords are shaped this way. Science & Medicine Fri, 26 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976431258hsw-brainstuff-three-prong_-plug.mp3 00:02:54 no howstuffworks, how stuff works, brainstuff, brain stuff, outlet, electricity, appliance, prong When you look at a normal 120-volt outlet in the United States, there are two vertical slots and then a round hole centered below. Take a look at this HowStuffWorks article to learn why appliance cords are shaped this way. HowStuffWorks.com What is a decibel, and how is it measured? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-24-brainstuff-decibles.mp3 The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale. Science & Medicine Wed, 24 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976055598hsw-brainstuff-decibles.mp3 00:02:34 no howstuffworks, how stuff works, brainstuff, brain stuff, decibal, sound, hearing The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale. HowStuffWorks.com How Gun Silencers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-22-brainstuff-gun-silencer.mp3 The sound of gunfire is incredibly loud, and it is amazing that anything is able to silence a firearm. However, the principle behind a gun silencer is surprisingly simple. Check out our HowStuffWorks article to learn more about silencers. Science & Medicine Mon, 22 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976248685hsw-brainstuff-gun-silencer.mp3 00:02:01 no howstuffworks, how stuff works, brainstuff, brain stuff, gunfire, silencer, gun silencer, firearm The sound of gunfire is incredibly loud, and it is amazing that anything is able to silence a firearm. However, the principle behind a gun silencer is surprisingly simple. Check out our HowStuffWorks article to learn more about silencers. HowStuffWorks.com How Heart Bypass Operations Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-19-brainstuff-heart-bypass.mp3 Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Take a look at our HowStuffWorks article to Science & Medicine Fri, 19 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976296472hsw-brainstuff-heart-bypass.mp3 00:02:19 no howstuffworks, how stuff works, brainstuff, brain stuff, blood, artery, heart, heart attack, stroke, cholesterol Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Take a look at our HowStuffWorks article to HowStuffWorks.com How much does it cost to run an electric blanket? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-17-brainstuff-electric-blanket.mp3 The electric company bills its customer by the kilowatt-hour. The number of watts a device uses times the number of hours you leave it on tells you number of watt-hours it consumes, and divided by 1,000 will convert the measurement to kilowatt-hours. Chec Science & Medicine Wed, 17 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976118757hsw-brainstuff-electric-blanket.mp3 00:02:01 no howstuffworks, how stuff works, brainstuff, brain stuff, electric blanket, heating cost The electric company bills its customer by the kilowatt-hour. The number of watts a device uses times the number of hours you leave it on tells you number of watt-hours it consumes, and divided by 1,000 will convert the measurement to kilowatt-hours. Chec HowStuffWorks.com How do Pop Rocks candy work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-15-brainstuff-pop-rocks.mp3 Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks. Science & Medicine Mon, 15 Sep 2008 12:00:46 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220976335527hsw-brainstuff-pop-rocks.mp3 00:02:00 no howstuffworks, how stuff works, brainstuff, brain stuff, Pop Rocks, candy, carbon dioxide Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks. HowStuffWorks.com What is the difference between jelly jam and preserves? And What is Jello? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-12-brainstuff-jelly.mp3 Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. Science & Medicine Fri, 12 Sep 2008 12:10:57 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641601912brainstuff-jelly.mp3 00:01:50 no howstuffworks, how stuff works, brainstuff, brain stuff, pectin, sugar, gelatin, fruit, jam, jelly, preserves Jam, jelly, and preserves are all made from fruit mixed with sugar and pectin. Jell-O, on the other hand, is completely different. Take a look at our HowStuffWorks article to learn more. HowStuffWorks.com How does gravity assist with interplanetary satellites? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-10-brainstuff-gravity-assist.mp3 The idea behind a gravity assist is to use a planet's motion to accelerate a satellite. Check out our article on HowStuffWorks to learn more about the effects of gravity on satellites. Science & Medicine Wed, 10 Sep 2008 12:11:57 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641493933brainstuff-gravity-assist.mp3 00:02:20 no howstuffworks, how stuff works, brainstuff, brain stuff, gravity, gravity assist, satellite, space exploration The idea behind a gravity assist is to use a planet's motion to accelerate a satellite. Check out our article on HowStuffWorks to learn more about the effects of gravity on satellites. HowStuffWorks.com How children from the same parents look so different? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-08-brainstuff-child-variation.mp3 Every person has a set of chromosomes, or coiled strands of DNA. Check out this HowStuffWorks podcast to learn how chromosomes combine to promote variation from one generation to the next. Science & Medicine Mon, 08 Sep 2008 12:12:57 GMT podcast@howstuffworks.com (HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1220641337432brainstuff-child-variation.mp3 00:02:32 no howstuffworks, how stuff works, brainstuff, brain stuff, DNA, reproduction, chromosomes Every person has a set of chromosomes, or coiled strands of DNA. Check out this HowStuffWorks podcast to learn how chromosomes combine to promote variation from one generation to the next. HowStuffWorks.com How Catapults Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-05-brainstuff-catapult.mp3 There are three different technologies that fall into the catapult category: the ballista, the trebuchet and the catapult. Check out this HowStuffWorks podcast to learn more about the differences between catapult technologies. Science & Medicine Fri, 05 Sep 2008 12:01:53 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846763709brainstuff-catapult.mp3 00:02:39 no howstuffworks, how stuff works, brainstuff, brain stuff, catapault, ballista, trebuchet There are three different technologies that fall into the catapult category: the ballista, the trebuchet and the catapult. Check out this HowStuffWorks podcast to learn more about the differences between catapult technologies. HowStuffWorks.com What does the computer in a car do? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-09-03-brainstuff-car-computer.mp3 All cars manufactured today contain at least one computer -- but what does it do? Check out this HowStuffWorks podcast to learn more about car computers. Science & Medicine Wed, 03 Sep 2008 12:00:53 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1219846710985brainstuff-car-computer.mp3 00:01:17 no howstuffworks, how stuff works, brainstuff, brain stuff, car computer, emissions, auto All cars manufactured today contain at least one computer -- but what does it do? Check out this HowStuffWorks podcast to learn more about car computers. HowStuffWorks.com How Water Softener Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-29-brainstuff-water-softner.mp3 The idea behind a water softener is simple: the calcium and magnesium ions in hard water are replaced with sodium ions. Learn more about the harmful effects of hard water -- and the benefits of soft water -- in this HowStuffWorks podcast. Science & Medicine Fri, 29 Aug 2008 12:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754472999brainstuff-water-softner.mp3 00:02:48 no howstuffworks, how stuff works, brainstuff, brain stuff, water, ph, water softner, hard water The idea behind a water softener is simple: the calcium and magnesium ions in hard water are replaced with sodium ions. Learn more about the harmful effects of hard water -- and the benefits of soft water -- in this HowStuffWorks podcast. HowStuffWorks.com How Carbon Chains Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-27-brainstuff-carbon-chains.mp3 Learn how the length of hydrocarbon atom chains have different properties, producing substances such as kerosene, methane and other forms of fossil fuel. Check out this HowStuffWorks podcast to learn more about fossil fuels. Science & Medicine Wed, 27 Aug 2008 12:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218755078914brainstuff-carbon-chains.mp3 no howstuffworks, brainstuff, brain stuff, fossil fuel, petroleum, carbon chain, hydrocarbon Learn how the length of hydrocarbon atom chains have different properties, producing substances such as kerosene, methane and other forms of fossil fuel. Check out this HowStuffWorks podcast to learn more about fossil fuels. HowStuffWorks.com Do the humps on camels hold water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-25-brainstuff-camel-hump.mp3 The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. Science & Medicine Mon, 25 Aug 2008 17:00:12 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754954781brainstuff-camel-hump.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, camel hump, adaptation The camel's hump is a giant deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. HowStuffWorks.com Why does Alka-Seltzer fizz? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-20-brainstuff-alka-seltzer.mp3 The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this HowStuffWorks podcast to learn more. Science & Medicine Wed, 20 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754536221brainstuff-alka-seltzer.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, alka-seltzer, base, acid, chemistry The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this HowStuffWorks podcast to learn more. HowStuffWorks.com What causes the banging noise in my home's pipes? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-18-brainstuff-water-hammer.mp3 The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. Science & Medicine Mon, 18 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754599897brainstuff-water-hammer.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, water hammer, pipe, plumbing The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon. HowStuffWorks.com What is the difference between a turbo-charger and a super-charger? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-15-brainstuff-turbo-super.mp3 Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. Science & Medicine Fri, 15 Aug 2008 12:00:26 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1218754723904brainstuff-turbo-super.mp3 no howstuffworks, how stuff works, brainstuff, brain stuff, turbocharger, supercharger Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more. HowStuffWorks.com How Sonic Booms Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-13-brainstuff-sonic-boom.mp3 The sonic booms formed by planes are similar to the wakes left by boats in water. To learn more about sonic booms, check out this HowStuffWorks podcast. Science & Medicine Wed, 13 Aug 2008 18:12:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455557887brainstuff-sonic-boom.mp3 no sonic boom, sound wave displacement, air displacement The sonic booms formed by planes are similar to the wakes left by boats in water. To learn more about sonic booms, check out this HowStuffWorks podcast. HowStuffWorks.com How Catalytic Convertors Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-11-brainstuff-catalytic-converter.mp3 Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. Science & Medicine Mon, 11 Aug 2008 18:13:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454986836brainstuff-catalytic-converter.mp3 no catalytic convertor, carbon monoxide, carbon dioxide, nitrogen oxide Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner. HowStuffWorks.com How Liquid Smoke Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-08-brainstuff-liquid-smoke.mp3 By cooling smoke, the hydrocarbons forming smoke can be condensed, thinned, and bottled in a liquid form. Learn about the process of bottling liquid smoke in this HowStuffWorks podcast. Science & Medicine Fri, 08 Aug 2008 18:14:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455392964brainstuff-liquid-smoke.mp3 no smoke, liquid smoke, hydrocarbon By cooling smoke, the hydrocarbons forming smoke can be condensed, thinned, and bottled in a liquid form. Learn about the process of bottling liquid smoke in this HowStuffWorks podcast. HowStuffWorks.com How Phones Work During Power Outages http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-06-brainstuff-phone-system.mp3 Phone companies use generators to ensure that landline phones will work, even in the event of a power outage. Learn more about phone systems in this HowStuffWorks podcast. Science & Medicine Wed, 06 Aug 2008 18:15:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455500803brainstuff-phone-system.mp3 no phone, telephone, land line, phone system Phone companies use generators to ensure that landline phones will work, even in the event of a power outage. Learn more about phone systems in this HowStuffWorks podcast. HowStuffWorks.com How Light Wave Interference Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-04-brainstuff-cd-rainbow.mp3 When white light hits a film of oil floating on water, most of it passes through the film, but some of the light is reflected off the top and bottom layers of the film. Check out this HowStuffWorks podcast to learn more about light wave interference. Science & Medicine Mon, 04 Aug 2008 18:16:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454636261brainstuff-cd-rainbow.mp3 no reflection, refraction, light, light spectrum When white light hits a film of oil floating on water, most of it passes through the film, but some of the light is reflected off the top and bottom layers of the film. Check out this HowStuffWorks podcast to learn more about light wave interference. HowStuffWorks.com How 3-Way Lightbulbs Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-08-01-brainstuff-3-way-bulb.mp3 A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast. Science & Medicine Fri, 01 Aug 2008 18:17:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454436329brainstuff-3-way-bulb.mp3 no 3-way bulb, light bulb, fluorescent, dimmer A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast. HowStuffWorks.com How Breathing in a Submarine Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-30-brainstuff-air-in-sub.mp3 For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed. Science & Medicine Wed, 30 Jul 2008 18:18:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454860407brainstuff-air-in-sub.mp3 no submarine, oxygen, carbon dioxide, carbon monoxide, humidity. For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed. HowStuffWorks.com How Fever Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-28-brainstuff-fever.mp3 In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. Science & Medicine Mon, 28 Jul 2008 18:19:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419932004brainstuff-fever.mp3 no Fever, causes of Fever, what to do for Fever In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs. HowStuffWorks.com How Fountains in Rome Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-25-brainstuff-fountains-in-rome.mp3 Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast. Science & Medicine Fri, 25 Jul 2008 18:20:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453806134brainstuff-fountains-in-rome.mp3 no Rome, water fountains, water pump, pump water, aqueducts, water tower, cistern, water pressure, Roman fountains, Roman plumbing Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast. HowStuffWorks.com How Cooking at High Altitudes Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-23-brainstuff-altitude-cooking.mp3 The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. Science & Medicine Wed, 23 Jul 2008 18:21:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454544590brainstuff-altitude-cooking.mp3 no cooking at high altitude, boiling point, altitude, air pressure The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks. HowStuffWorks.com How Nautical Miles Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-21-brainstuff-nautical-mile.mp3 One minute of arc on planet earth is equal to one nautical mile. Listen to this HowStuffWorks podcast and learn more about the measurement of nautical miles. Science & Medicine Mon, 21 Jul 2008 18:22:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420747415brainstuff-nautical-mile.mp3 no nautical mile, maritime, navy, knott, seas One minute of arc on planet earth is equal to one nautical mile. Listen to this HowStuffWorks podcast and learn more about the measurement of nautical miles. HowStuffWorks.com How Digital Answering Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-18-brainstuff-digital-answering-machine.mp3 Today, most answering machines are digital, and use the same technology as a CD or MP3 player. Learn more about digital answering machines in this HowStuffWorks podcast. Science & Medicine Fri, 18 Jul 2008 18:23:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215453918582brainstuff-digital-answering-machine.mp3 no answer machine, answering machine, digital voice recording, digital answering machine, voice recording, play back, playback, microcontroller, digitizes, analog-to-digital converter, digital-to-analog converter, RAM, Random Access Memory, D/A converter, A/ Today, most answering machines are digital, and use the same technology as a CD or MP3 player. Learn more about digital answering machines in this HowStuffWorks podcast. HowStuffWorks.com How Maple Syrup Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-16-brainstuff-maple-syrup.mp3 The clear, thin sap of Maple trees must be boiled down to create maple syrup -- it takes about 30 to 40 gallons of sap to create one gallon of syrup. Check out this HowStuffWorks podcast to learn more about Maple syrup. Science & Medicine Wed, 16 Jul 2008 18:24:19 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455449516brainstuff-maple-syrup.mp3 no maple syrup, maple tree, maple sap The clear, thin sap of Maple trees must be boiled down to create maple syrup -- it takes about 30 to 40 gallons of sap to create one gallon of syrup. Check out this HowStuffWorks podcast to learn more about Maple syrup. HowStuffWorks.com How Glowing Watch Hands Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-glowing-watch-hands_1-2.mp3 In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 15:57:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983300205glowing-watch-hands_1-2.mp3 no glow-in-the-dark, phosphor, watch, watch hands In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast. HowStuffWorks.com How Uninterruptible Power Supplies Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-uninteruptible-power-supply.mp3 An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies. Science & Medicine Mon, 14 Jul 2008 13:43:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421275817brainstuff-uninteruptible-power-supply.mp3 no uninterruptible power supply, ups, voltage surge, voltage spike, voltage sag, total power failure An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies. HowStuffWorks.com How the Corvette ZR1 Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-corvette-zr1.mp3 The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:42:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419258223brainstuff-corvette-zr1.mp3 no corvette, sports cars, 2009 cars, eight cylinder, engine The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast. HowStuffWorks.com How Gas Pumps Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-gas-pump-2.mp3 Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:41:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420346021brainstuff-gas-pump-2.mp3 no gas, gas pump, gas station, gas hose Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast. HowStuffWorks.com Why the Sky is Blue? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-why-sky-is-blue.mp3 As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:40:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421351740brainstuff-why-sky-is-blue.mp3 no rainbow, prismatic diffusion, light spectrum As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast. HowStuffWorks.com How Radiation Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-radiation.mp3 Although most people are frightened by radiation, the truth is we are irradiated every day, both from cosmic rays in the sky, and radioactive elements in the ground. Learn more about radiation in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:39:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420863237brainstuff-radiation.mp3 no radiation, radioactive, irradiated, cosmic rays Although most people are frightened by radiation, the truth is we are irradiated every day, both from cosmic rays in the sky, and radioactive elements in the ground. Learn more about radiation in this HowStuffWorks podcast. HowStuffWorks.com What is the Difference Between a Carat and a Karat? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-carat-karat.mp3 Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:38:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419204420brainstuff-carat-karat.mp3 no carat, karat, diamond, gold, jewelry Carats are used for diamonds, while karats are used for gold. Learn more about the difference between carats and karats in this HowStuffWorks podcast. HowStuffWorks.com How Perceiving Earth as a Sphere Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-earth-is-sphere.mp3 Is there any way that people could know the world is sphere while standing on the earth? Learn more about perceiving earth as a sphere in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:37:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419786656brainstuff-earth-is-sphere.mp3 no earth, globe, sphere, earth is a sphere Is there any way that people could know the world is sphere while standing on the earth? Learn more about perceiving earth as a sphere in this HowStuffWorks podcast. HowStuffWorks.com How Flatulance Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-flatulence.mp3 Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. Science & Medicine Mon, 14 Jul 2008 13:36:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420008021brainstuff-flatulence.mp3 no Gas (Flatulence), causes of Gas (Flatulence), what to do for Gas (Flatulence) Learn about the causes of gas (flatulence) in this podcast from Marshall Brain. HowStuffWorks.com How Atomic Clocks Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-atomic-clock_1-2.mp3 Unlike more conventional timepieces, atomic clocks use the resonant frequency of atoms to measure the passage of time. Learn more about atomic clocks in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:35:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214418676456atomic-clock_1-2.mp3 no atomic clock, time, watch Unlike more conventional timepieces, atomic clocks use the resonant frequency of atoms to measure the passage of time. Learn more about atomic clocks in this Brainstuff podcast. HowStuffWorks.com How Baking Powder Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-baking-powder.mp3 Baking powder is made of three components -- an acid, a base, and a filler. Check out this HowStuffWorks podcast to learn more about baking powder. Science & Medicine Mon, 14 Jul 2008 13:34:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214418937641brainstuff-baking-powder.mp3 no baking powder, baking soda, baking, cooking, yeast Baking powder is made of three components -- an acid, a base, and a filler. Check out this HowStuffWorks podcast to learn more about baking powder. HowStuffWorks.com How Leap Years Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-leap-years.mp3 A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:33:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420613768brainstuff-leap-years.mp3 no leap year, calendar, gregorian calendar, earth orbit A normal calendar years is 365 days long, but the earth actually takes 365.2422 days to completely orbit the sun. Learn more about leap years in this HowStuffWorks podcast. HowStuffWorks.com How Red Eyes in Photographs Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-red-eye.mp3 The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:32:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420998446brainstuff-red-eye.mp3 no camera, flash, redeye, red eyes, red eye reduction The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast. HowStuffWorks.com How Do Submarines Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-submarine.mp3 Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:31:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336739561podcast-submarine.mp3 no submarine, oxygen, oxygen generator Submarines use oxygen generators to create oxygen from water. Learn more about oxygen in submarines in this HowStuffWorks podcast. HowStuffWorks.com What is the Fastest Computer in the World? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-fastest-computer.mp3 Although the speed of computers is growing exponentially, the human brain may handle roughly ten quadrillion instructions per second. Learn more about the world's fastest computer in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:30:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419831804brainstuff-fastest-computer.mp3 no fastest computer, petaflop, computation, human brain, processing Although the speed of computers is growing exponentially, the human brain may handle roughly ten quadrillion instructions per second. Learn more about the world's fastest computer in this HowStuffWorks podcast. HowStuffWorks.com How Do Vitamins Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-vitamins.mp3 A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:29:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337117444podcast-vitamins.mp3 no vitamins, vitamin, collagen, vitamin c A vitamin is a small molecule the body needs but cannot manufacture on its own. Learn more about vitamins in this HowStuffWorks podcast. HowStuffWorks.com How Night Vision Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-night-vision.mp3 Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:28:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420800561brainstuff-night-vision.mp3 no night vision, eye, rods, cones, pupil Although the human eye is able to adapt to wildly different environments, it takes a certain amount of time to adjust to sudden changes in light. Learn more about the chemicals powering the human eye in this HowStuffWorks podcast. HowStuffWorks.com How Subprime Loans Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-subprime.mp3 Subprime loans are made to borrowers who do not qualify for the best market interest rates. Learn more about subprime loans in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:27:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421197941brainstuff-subprime.mp3 no subprime loans, subprime, mortgage, loan Subprime loans are made to borrowers who do not qualify for the best market interest rates. Learn more about subprime loans in this HowStuffWorks podcast. HowStuffWorks.com How Helium Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-helium.mp3 The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:26:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420557669brainstuff-helium.mp3 no helium, uranium, helium balloons The helium used in balloons is created by uranium interacting with natural gas. Learn more about helium and uranium in this HowStuffWorks podcast. HowStuffWorks.com How Nanosolar Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-nanosolar.mp3 A company named Nanosolar is shaking up the alternative energy industry by offering solar technology at the lowest prices in history -- even cheaper than energy derived from coal. Learn more about Nanosolar in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:25:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420664946brainstuff-nanosolar.mp3 no solar, nanosolar, alternative energy, sunlight A company named Nanosolar is shaking up the alternative energy industry by offering solar technology at the lowest prices in history -- even cheaper than energy derived from coal. Learn more about Nanosolar in this HowStuffWorks podcast. HowStuffWorks.com How Does Yawning Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-yawn.mp3 Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:24:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337250014podcast-yawn.mp3 no yawning, yawn, sleep, meetings, boredom, oxygen Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast. HowStuffWorks.com How the Dow Jones Industrial Average Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dow-jones.mp3 The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market. Science & Medicine Mon, 14 Jul 2008 13:23:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419440782brainstuff-dow-jones.mp3 no dow jones industrial average, dow jones index, dow jones average The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market. HowStuffWorks.com How Lava Lamps Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-lava-lamp_1-2.mp3 Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:22:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421879439lava-lamp_1-2.mp3 no lava lamp, liquid density, liquid motion Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast. HowStuffWorks.com How Golf Ball Dimples Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-golf-ball-dimples_1-2.mp3 If you've ever looked at a golf ball, you've probably noticed it has dimples. But why is that? Learn the story behind dimpled golf balls in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:21:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421833619golf-ball-dimples_1-2.mp3 no golf, dimple, turbulator, aerodynamics If you've ever looked at a golf ball, you've probably noticed it has dimples. But why is that? Learn the story behind dimpled golf balls in this Brainstuff podcast. HowStuffWorks.com How Smoke Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-smoke_1-2.mp3 When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast. Science & Medicine Mon, 14 Jul 2008 13:20:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421966845smoke_1-2.mp3 no smoke, fire, heat, fuel When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast. HowStuffWorks.com How Ultra Hi-Def Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-ultra-high-def.mp3 A standard HD screen has roughly 2 million pixels per frame -- but an ultra HD has four times that resolution. Learn more about ultra hi-definition in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:19:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215447006365brainstuff-ultra-high-def.mp3 no ultra-high definition, ultra high definition, uhd, uhdtv, high definition A standard HD screen has roughly 2 million pixels per frame -- but an ultra HD has four times that resolution. Learn more about ultra hi-definition in this HowStuffWorks podcast. HowStuffWorks.com How Dry Cleaning Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dry-cleaning.mp3 Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:18:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455346254brainstuff-dry-cleaning.mp3 no dry cleaning, laundy, solvent Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this HowStuffWorks podcast. HowStuffWorks.com How X-Ray Machines Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-x-rays.mp3 An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jul 2008 13:17:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454804948brainstuff-x-rays.mp3 no x-ray, x-ray machine, hospital, light, x-ray radiation, x-rays An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast. HowStuffWorks.com How Dehumidifiers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-dehumidifier.mp3 Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. Science & Medicine Mon, 14 Jul 2008 13:16:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455164475brainstuff-dehumidifier.mp3 no dehumidifier, moisture, condensation Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers. HowStuffWorks.com How Stealth Technology Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-stealth.mp3 Shaping an airplane a certain way -- or using materials that absorb radar waves -- causes a stealth aircraft to have the signature of a small bird, rather than an airplane. Science & Medicine Mon, 14 Jul 2008 13:15:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455611939brainstuff-stealth.mp3 no stealth airplane, stealth aircraft, radar Shaping an airplane a certain way -- or using materials that absorb radar waves -- causes a stealth aircraft to have the signature of a small bird, rather than an airplane. HowStuffWorks.com How Starting A Car in Cold Weather Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-cold-engine.mp3 Cars are hard to start during cold weather for three reasons: gasoline evaporates less in cold temperatures, oil gets thicker in the cold, and the chemical reactions in cold batteries are slower than normal. Science & Medicine Mon, 14 Jul 2008 13:14:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455072258brainstuff-cold-engine.mp3 no car, cold weather, engine in cold weather, synthetic oil, winter, cold battery Cars are hard to start during cold weather for three reasons: gasoline evaporates less in cold temperatures, oil gets thicker in the cold, and the chemical reactions in cold batteries are slower than normal. HowStuffWorks.com How Boogers and Mucuous Membranes Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-14-brainstuff-boogers.mp3 Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance. Science & Medicine Mon, 14 Jul 2008 13:13:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215454919146brainstuff-boogers.mp3 no mucous, mucous membrane, mucin, booger, salt, polysacchride Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance. HowStuffWorks.com How Zorbing Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-11-brainstuff-zorb_1-2.mp3 A Zorb is a pair of inflatable balls large enough to contain a person. Zorbing is popular in New Zealand, and you can learn more about it in this HowStuffWorks podcast. Science & Medicine Fri, 11 Jul 2008 16:00:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985543985zorb_1-2.mp3 no zorb, zorbing, new zealand, beach ball A Zorb is a pair of inflatable balls large enough to contain a person. Zorbing is popular in New Zealand, and you can learn more about it in this HowStuffWorks podcast. HowStuffWorks.com How Air Force One Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-09-brainstuff-air-force-one_1-2.mp3 Air Force One is the presidential airfleet of the United States. Learn how Air Force One works in this HowStuffWorks podcast. Science & Medicine Wed, 09 Jul 2008 16:01:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982353381air-force-one_1-2.mp3 no air force one, president, presidential plane Air Force One is the presidential airfleet of the United States. Learn how Air Force One works in this HowStuffWorks podcast. HowStuffWorks.com How Color Blindness Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-07-brainstuff-color-blindness_1-2.mp3 Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. Science & Medicine Mon, 07 Jul 2008 15:59:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982929899color-blindness_1-2.mp3 no color blindness, color blind, rods, cones Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast. HowStuffWorks.com How Solar Balloons Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-04-brainstuff-solar-balloon_1-2.mp3 A solar balloon is propelled upward by absorbing solar energy and heating air inside the balloon. Learn more about solar balloons and solar energy in this HowStuffWorks podcast. Science & Medicine Fri, 04 Jul 2008 15:58:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985237182solar-balloon_1-2.mp3 no solar balloon, solar energy A solar balloon is propelled upward by absorbing solar energy and heating air inside the balloon. Learn more about solar balloons and solar energy in this HowStuffWorks podcast. HowStuffWorks.com How Does Identity Theft Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-07-02-brainstuff-identity-theft_1-2.mp3 Join Marshall Brain as he takes a look at the dangers of identity theft and what you can do to reduce those dangers. Learn more in this HowStuffWorks podcast. Science & Medicine Wed, 02 Jul 2008 15:56:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983419558identity-theft_1-2.mp3 no identity theft, social security fraud, check fraud, phishing, phishing scam Join Marshall Brain as he takes a look at the dangers of identity theft and what you can do to reduce those dangers. Learn more in this HowStuffWorks podcast. HowStuffWorks.com How Satellite Radio Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-30-brainstuff-satellite-radio_1-2.mp3 Satellite radio connects consumers to a lot more channels than broadcast radio, and you hardly have to worry about losing reception. Learn more about satellite radio in this HowStuffWorks podcast. Science & Medicine Mon, 30 Jun 2008 15:55:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985114027satellite-radio_1-2.mp3 no satellite radio, xm radio, sirius Satellite radio connects consumers to a lot more channels than broadcast radio, and you hardly have to worry about losing reception. Learn more about satellite radio in this HowStuffWorks podcast. HowStuffWorks.com How Machine Guns Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-27-brainstuff-machine-gun_1-2.mp3 Machine guns are one of the most important innovations in recent military history. Learn about machine guns and automatic weapons in this HowStuffWorks podcast. Science & Medicine Fri, 27 Jun 2008 15:54:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983733796machine-gun_1-2.mp3 no guns, machine guns, automatic weapons, semi-automatic Machine guns are one of the most important innovations in recent military history. Learn about machine guns and automatic weapons in this HowStuffWorks podcast. HowStuffWorks.com How Indiglo Watches Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-25-brainstuff-indiglo-watch_1-2.mp3 In an indiglo watch, a very thin panel uses high voltage to energize phosphor atoms, producing light. Learn more about indiglo watches and electroluminescence in this HowStuffWorks podcast. Science & Medicine Wed, 25 Jun 2008 15:53:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983474673indiglo-watch_1-2.mp3 no indiglo watch, phosphor, glow-in-the-dark In an indiglo watch, a very thin panel uses high voltage to energize phosphor atoms, producing light. Learn more about indiglo watches and electroluminescence in this HowStuffWorks podcast. HowStuffWorks.com How Do Fainting Goats Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-23-brainstuff-fainting-goats_1-2.mp3 Due to a genetic disorder, fainting goats become paralyzed when they are startled. Learn more about fainting goats in this HowStuffWorks podcast. Science & Medicine Mon, 23 Jun 2008 15:52:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983051079fainting-goats_1-2.mp3 no goats, fainting goats, myotonia congenita, Tennessee scare goats Due to a genetic disorder, fainting goats become paralyzed when they are startled. Learn more about fainting goats in this HowStuffWorks podcast. HowStuffWorks.com How Does Green Building Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-20-brainstuff-green-building_1-2.mp3 In this HowStuffWorks podcast on green building, learn more about creating sustainable buildings that reduce carbon footprints and use recycled material. Science & Medicine Fri, 20 Jun 2008 15:51:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983364646green-building_1-2.mp3 no green building, environmentalism, global warming, recycling, carbon footprint In this HowStuffWorks podcast on green building, learn more about creating sustainable buildings that reduce carbon footprints and use recycled material. HowStuffWorks.com How Thermite Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-18-brainstuff-thermite_1-2.mp3 Thermite is a metallic mixture used for various chemical reactions -- everything from railroad tracks to fireworks displays call for thermite. Learn about the chemical properties of thermite in this HowStuffWorks podcast. Science & Medicine Wed, 18 Jun 2008 15:50:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985447165thermite_1-2.mp3 no thermite, welding, fireworks Thermite is a metallic mixture used for various chemical reactions -- everything from railroad tracks to fireworks displays call for thermite. Learn about the chemical properties of thermite in this HowStuffWorks podcast. HowStuffWorks.com How Life On Mars Might Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-16-brainstuff-life-on-mars_1-2.mp3 Has one of the Mars rovers discovered life on Mars? Learn more about life on Mars and other planets in this HowStuffWorks podcast. Science & Medicine Mon, 16 Jun 2008 15:49:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983523257life-on-mars_1-2.mp3 no mars, extraterrestrial life, alien, alien bacteria, mars rover, NASA, heat vent Has one of the Mars rovers discovered life on Mars? Learn more about life on Mars and other planets in this HowStuffWorks podcast. HowStuffWorks.com How Climate Hoax Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-13-brainstuff-climate-hoax_1-2.mp3 Some scientists believe global warming is part of a cyclical temperature fluctuation, rather than a man-made event. Learn more about these climate skeptics in this HowStuffWorks podcast. Science & Medicine Fri, 13 Jun 2008 15:48:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982534175climate-hoax_1-2.mp3 no global warming, climate hoax, climate skeptic Some scientists believe global warming is part of a cyclical temperature fluctuation, rather than a man-made event. Learn more about these climate skeptics in this HowStuffWorks podcast. HowStuffWorks.com How Do Nuclear Bombs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-11-brainstuff-nuclear-bomb_1-2.mp3 What is a nuclear bomb, and how does it work? Learn more about nuclear bombs with Marshall Brain in this HowStuffWorks podcast. Science & Medicine Wed, 11 Jun 2008 15:47:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983889346nuclear-bomb_1-2.mp3 no nuclear bomb, war, radioactivity, radiation, nuclear war What is a nuclear bomb, and how does it work? Learn more about nuclear bombs with Marshall Brain in this HowStuffWorks podcast. HowStuffWorks.com How the Pleo Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-09-brainstuff-pleo_1-2.mp3 Although Pleo is a robot designed to look like a dinosaur, it can learn from situations, and appear incredibly lifelike. Learn more about pleo in this HowStuffWorks podcast. Science & Medicine Mon, 09 Jun 2008 15:46:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984785183pleo_1-2.mp3 no pleo, robots, roomba, robotic toys Although Pleo is a robot designed to look like a dinosaur, it can learn from situations, and appear incredibly lifelike. Learn more about pleo in this HowStuffWorks podcast. HowStuffWorks.com How Fire Hydrants Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-06-brainstuff-fire-hydrant_1-2.mp3 Fire hydrants are on nearly every street corner, but how do they work? Learn more about fire hydrants in this HowStuffWorks podcast. Science & Medicine Fri, 06 Jun 2008 15:45:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983113412fire-hydrant_1-2.mp3 no fire hydrant, fire fighter, water pressure Fire hydrants are on nearly every street corner, but how do they work? Learn more about fire hydrants in this HowStuffWorks podcast. HowStuffWorks.com How RTG Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-04-brainstuff-rtg_1-2.mp3 Voyager II uses a radioisotope thermo-electric generator power to communicate with NASA. Learn more about RTG in this HowStuffWorks podcast. Science & Medicine Wed, 04 Jun 2008 15:44:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985065490rtg_1-2.mp3 no voyager II, radioisotope, rtg, deep space, space exploration Voyager II uses a radioisotope thermo-electric generator power to communicate with NASA. Learn more about RTG in this HowStuffWorks podcast. HowStuffWorks.com How Does Nanotechnology Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-06-02-brainstuff-nanotechnology_1-2.mp3 In this HowStuffWorks podcast, Marshall Brain discusses the possibilities of nanotechnology, a multi-disciplinary study dealing with the manipulation of matter less than one billionth of a meter wide. Science & Medicine Mon, 02 Jun 2008 15:43:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983814750nanotechnology_1-2.mp3 no nanotechnology, computer, biotechnology, cyborg In this HowStuffWorks podcast, Marshall Brain discusses the possibilities of nanotechnology, a multi-disciplinary study dealing with the manipulation of matter less than one billionth of a meter wide. HowStuffWorks.com How Tasers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-30-brainstuff-taser_1-2.mp3 A taser is a weapon that uses electricity to incapacitate targets from a distance. Learn more about tasers and electric shock in this HowStuffWorks podcast. Science & Medicine Fri, 30 May 2008 15:42:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985392479taser_1-2.mp3 no taser, electricity, electric shock A taser is a weapon that uses electricity to incapacitate targets from a distance. Learn more about tasers and electric shock in this HowStuffWorks podcast. HowStuffWorks.com How the Six-Stroke Engine Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-28-brainstuff-six-stroke_1-2.mp3 The six-stroke engine has the potential to increase the gas mileage of an internal combustion engine by forty percent, without adding any weight to the engine. Learn more about the six-stroke engine in this HowStuffWorks podcast. Science & Medicine Wed, 28 May 2008 15:41:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985182729six-stroke_1-2.mp3 no six-stroke engine, engine, internal combustion, gas efficiency The six-stroke engine has the potential to increase the gas mileage of an internal combustion engine by forty percent, without adding any weight to the engine. Learn more about the six-stroke engine in this HowStuffWorks podcast. HowStuffWorks.com How Superfund Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-26-brainstuff-superfund_1-2.mp3 The superfund was established to locate and clean toxic waste sites in the U.S. To learn more about the superfund and toxic waste, check out this HowStuffWorks podcast. Science & Medicine Mon, 26 May 2008 15:40:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985292290superfund_1-2.mp3 no superfund, epa, congress, toxic waste The superfund was established to locate and clean toxic waste sites in the U.S. To learn more about the superfund and toxic waste, check out this HowStuffWorks podcast. HowStuffWorks.com How the World's Tallest Building Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-23-brainstuff-tallest-building_1-2.mp3 Once completed, the Burj Dubai will become the world's tallest building. Learn more about the world's tallest building in this HowStuffWorks podcast. Science & Medicine Fri, 23 May 2008 15:39:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985341197tallest-building_1-2.mp3 no burj dubai, dubai, united arab emirates, middle east, tallest building Once completed, the Burj Dubai will become the world's tallest building. Learn more about the world's tallest building in this HowStuffWorks podcast. HowStuffWorks.com How Glow In the Dark Products Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-21-brainstuff-glow-in-the-dark_1-2.mp3 All glow-in-the-dark products contain phosphor, a substance that radiates visible light after it has been energized. Learn more about phosphor in this HowStuffWorks podcast. Science & Medicine Wed, 21 May 2008 15:38:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983240279glow-in-the-dark_1-2.mp3 no glow-in-the-dark, phosphor, watch, watch hands All glow-in-the-dark products contain phosphor, a substance that radiates visible light after it has been energized. Learn more about phosphor in this HowStuffWorks podcast. HowStuffWorks.com How Eminent Domain Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-19-brainstuff-eminent-domain_1-2.mp3 Under the eminent domain law, private property may be annexed by local or federal government, and the private owner may be forced to sell their land for the purpose of public use. Learn more about eminent domain in this HowStuffWorks podcast. Science & Medicine Mon, 19 May 2008 15:37:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213982993887eminent-domain_1-2.mp3 no eminent domain, public use, property rights Under the eminent domain law, private property may be annexed by local or federal government, and the private owner may be forced to sell their land for the purpose of public use. Learn more about eminent domain in this HowStuffWorks podcast. HowStuffWorks.com How Rainbows Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-16-brainstuff-rainbow_1-2.mp3 When light enters raindrops, the drops act as tiny prisms. The angle of the light as it leaves each raindrop alters the visible color of the light, forming part of a rainbow. Science & Medicine Fri, 16 May 2008 15:36:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984900044rainbow_1-2.mp3 no rainbow, prismatic diffusion, light spectrum When light enters raindrops, the drops act as tiny prisms. The angle of the light as it leaves each raindrop alters the visible color of the light, forming part of a rainbow. HowStuffWorks.com How Gift Cards Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-14-brainstuff-gift-cards_1-2.mp3 Although most businesses love gift cards, these cards have few -- if any -- advantages over actual cash. Learn more about gift cards in this HowStuffWorks podcast. Science & Medicine Wed, 14 May 2008 15:35:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983171823gift-cards_1-2.mp3 no gift cards, business, holiday shopping Although most businesses love gift cards, these cards have few -- if any -- advantages over actual cash. Learn more about gift cards in this HowStuffWorks podcast. HowStuffWorks.com How Uranium Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-12-brainstuff-uranium_1-2.mp3 Uranium can be used as a source of nuclear energy and a component in nuclear weapons. Learn more about uranium and nuclear energy in this HowStuffWorks podcast. Science & Medicine Mon, 12 May 2008 15:34:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213985494731uranium_1-2.mp3 no uranium, nuclear energy, nuclear power, atom bomb, fission, fusion Uranium can be used as a source of nuclear energy and a component in nuclear weapons. Learn more about uranium and nuclear energy in this HowStuffWorks podcast. HowStuffWorks.com How PhosCheck Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-09-brainstuff-phos-chek_1-2.mp3 PhosCheck is a long-term fire retardant that firefighters deploy from planes when combating forest fires. Learn more about PhosCheck in this HowStuffWorks podcast. Science & Medicine Fri, 09 May 2008 15:32:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984677021phos-chek_1-2.mp3 no fire, forest fire, PhosCheck, fire retardant, wildfire PhosCheck is a long-term fire retardant that firefighters deploy from planes when combating forest fires. Learn more about PhosCheck in this HowStuffWorks podcast. HowStuffWorks.com How the Linux Laptop Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-07-brainstuff-linux-laptop_1-2.mp3 The low-cost linux laptop niche is beginning to explode. Learn more about linux, laptops, and low-cost computing in this HowStuffWorks podcast. Science & Medicine Wed, 07 May 2008 15:31:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983658217linux-laptop_1-2.mp3 no linux, open source, laptop, low-cost computer The low-cost linux laptop niche is beginning to explode. Learn more about linux, laptops, and low-cost computing in this HowStuffWorks podcast. HowStuffWorks.com How the Lightning GT Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-05-brainstuff-lightning-gt_1-2.mp3 The Lightning GT is a high-performance electric car that uses revolutionary technology to avoid the drawbacks of other electric vehicles. Learn more about electric cars and the Lightning GT in this HowStuffWorks podcast. Science & Medicine Mon, 05 May 2008 15:30:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213983593573lightning-gt_1-2.mp3 no lightning gt, alternative energy, green, electric car The Lightning GT is a high-performance electric car that uses revolutionary technology to avoid the drawbacks of other electric vehicles. Learn more about electric cars and the Lightning GT in this HowStuffWorks podcast. HowStuffWorks.com How Does 2020 Vision Works? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-05-02-brainstuff-2020-vision.mp3 20-20 vision is a standard used to compare one person's vision to another's. Learn more about 20-20 vision in this podcast from HowStuffWorks. Science & Medicine Fri, 02 May 2008 15:28:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213988977332podcast-2020-vision.mp3 no vision, 20-20, nearsighted, farsighted, optometry 20-20 vision is a standard used to compare one person's vision to another's. Learn more about 20-20 vision in this podcast from HowStuffWorks. HowStuffWorks.com How Do Barcodes Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-30-brainstuff-bar-codes.mp3 UPC bar codes are used for almost any packaged product, and the bar codes are read by lasers. Learn more about UPC bar codes in this podcast from HowStuffWorks. Science & Medicine Wed, 30 Apr 2008 15:27:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990501424podcast-bar-codes.mp3 no bar code, UPC, laser, products, UPC bar codes UPC bar codes are used for almost any packaged product, and the bar codes are read by lasers. Learn more about UPC bar codes in this podcast from HowStuffWorks. HowStuffWorks.com How Do Aircraft Carriers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-28-brainstuff-aircraft-carrier.mp3 Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. Science & Medicine Mon, 28 Apr 2008 15:26:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989148176podcast-aircraft-carrier.mp3 no air, aircraft carrier, aircraft, navy Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast. HowStuffWorks.com How Much Money Is In The World? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-25-brainstuff-all-the-money-in-the-world.mp3 How much money is in the world? This HowStuffWorks podcast explains how much money exists in the world, and how that money is measured. Science & Medicine Fri, 25 Apr 2008 15:25:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989208883podcast-all-the-money-in-the-world.mp3 no money, cash, m3 money supply, money supply, economy How much money is in the world? This HowStuffWorks podcast explains how much money exists in the world, and how that money is measured. HowStuffWorks.com Could You Power Your TV or Computer with a Bicycle? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-23-brainstuff-bicycle-power.mp3 Could you power a television or computer with a bicycle? Learn more about bicycle power in this HowStuffWorks podcast. Science & Medicine Wed, 23 Apr 2008 15:23:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990613091podcast-bicycle-power.mp3 no alternative energy, bicycle, bicycle power, television, computer Could you power a television or computer with a bicycle? Learn more about bicycle power in this HowStuffWorks podcast. HowStuffWorks.com How Do Ballpoint Pens Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-21-brainstuff-ballpoint-pen.mp3 Ballpoint pens use a ball and socket tip to distribute thick ink at the perfect time. Learn more about ballpoint pens in this podcast from HowStuffWorks. Science & Medicine Mon, 21 Apr 2008 15:22:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990453183podcast-ballpoint-pen.mp3 no ballpoint, ballpoint pen, pen, ink, writing Ballpoint pens use a ball and socket tip to distribute thick ink at the perfect time. Learn more about ballpoint pens in this podcast from HowStuffWorks. HowStuffWorks.com How Do Blue Screens Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-18-brainstuff-blue-screen.mp3 Blue screen technology allows directors to superimpose false scenery behind real actors. Learn more about blue screens in this HowStuffWorks podcast. Science & Medicine Fri, 18 Apr 2008 15:21:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990726086podcast-blue-screen.mp3 no blue screen, chroma key, acting, special effects Blue screen technology allows directors to superimpose false scenery behind real actors. Learn more about blue screens in this HowStuffWorks podcast. HowStuffWorks.com How Does Making Bread Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-16-brainstuff-bread.mp3 Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. Science & Medicine Wed, 16 Apr 2008 15:20:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991885277podcast-bread.mp3 no bread, yeast, baking, wheat Bread is a technology for turning hard kernels into a soft foodstuff. Learn more about bread and yeast in this HowStuffWorks podcast. HowStuffWorks.com How Does Brain Freeze Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-11-brainstuff-brain-freeze.mp3 Brain freezes may be the result of a nerve center over the roof of the mouth. Learn more about brain freezes in this podcast from HowStuffWorks Science & Medicine Fri, 11 Apr 2008 15:19:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991829725podcast-brain-freeze.mp3 no brain freeze, ice, cold, blood Brain freezes may be the result of a nerve center over the roof of the mouth. Learn more about brain freezes in this podcast from HowStuffWorks HowStuffWorks.com How Do Black Lights Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-09-brainstuff-black-light.mp3 Black light is a type of ultraviolet light bulb that affects phosphors. Learn more about black lights in this podcast from HowStuffWorks. Science & Medicine Wed, 09 Apr 2008 15:18:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990674220podcast-black-light.mp3 no black light, ultraviolet light, phospers Black light is a type of ultraviolet light bulb that affects phosphors. Learn more about black lights in this podcast from HowStuffWorks. HowStuffWorks.com How Is Your Body Like An Engine? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-07-brainstuff-body-as-engine.mp3 If human muscles could use gasoline, they would get 900 miles to the galloon. Learn more about this comparison in this HowStuffWorks podcast. Science & Medicine Mon, 07 Apr 2008 15:17:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991729868podcast-body-as-engine.mp3 no gasoline, muscles, galloon, bicycle, calories, vegetable oil. If human muscles could use gasoline, they would get 900 miles to the galloon. Learn more about this comparison in this HowStuffWorks podcast. HowStuffWorks.com How Do Afterburners Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-04-04-brainstuff-afterburner.mp3 Jet engine afterburners use kerosene to increase thrust by up to fifty percent. Learn more about afterburners in this podcast from HowStuffWorks. Science & Medicine Fri, 04 Apr 2008 15:16:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989062879podcast-afterburner.mp3 no afterburner, jet, jet engine, thrust, plane, kerosene Jet engine afterburners use kerosene to increase thrust by up to fifty percent. Learn more about afterburners in this podcast from HowStuffWorks. HowStuffWorks.com How Does Anti Perspirant Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-31-brainstuff-anti-perspirant.mp3 Anti-perspirants use aluminum to prevent sweating. Learn more about anti-perspirants work in the HowStuffWorks podcast. Science & Medicine Mon, 31 Mar 2008 15:24:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213989267825podcast-anti-perspirant.mp3 no anti-perspirant, aluminum, deodorant, sweat Anti-perspirants use aluminum to prevent sweating. Learn more about anti-perspirants work in the HowStuffWorks podcast. HowStuffWorks.com How Replantation Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-28-brainstuff-replantation_1-2.mp3 If you were to see a person lose his or her limb, would you know what to do? Learn more about replantation and saving limbs in this HowStuffWorks podcast. Science & Medicine Fri, 28 Mar 2008 15:33:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213984982626replantation_1-2.mp3 no replantation, emergency, trauma, amputation, severed limb If you were to see a person lose his or her limb, would you know what to do? Learn more about replantation and saving limbs in this HowStuffWorks podcast. HowStuffWorks.com How Do Bug Zappers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-26-brainstuff-bug-zapper.mp3 Bug zappers use electrified grids to kill bugs. Learn more about bug zappers and bugs in this HowStuffWorks podcast. Science & Medicine Wed, 26 Mar 2008 15:15:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213991942063podcast-bug-zapper.mp3 no bug zapper, extermination, bugs Bug zappers use electrified grids to kill bugs. Learn more about bug zappers and bugs in this HowStuffWorks podcast. HowStuffWorks.com How Does The Back Of A One Dollar Bill Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-24-brainstuff-back-of-dollar-bill.mp3 Learn more about the pyramid, symbols, and phrases on the back of dollar bills in this podcast by HowStuffWorks. Science & Medicine Mon, 24 Mar 2008 15:14:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990123745podcast-back-of-dollar-bill.mp3 no dollar bill, pyramid, symbolism, cash, dollar, united states Learn more about the pyramid, symbols, and phrases on the back of dollar bills in this podcast by HowStuffWorks. HowStuffWorks.com How Does Decompression Sickness Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-21-brainstuff-bends.mp3 The bends, or decompression sickness, occurs when divers resurface too quickly. Learn more about the bends in this HowStuffWorks podcast. Science & Medicine Fri, 21 Mar 2008 15:13:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990556555podcast-bends.mp3 no decompression sickness, bends, nitrogen, divers, diving The bends, or decompression sickness, occurs when divers resurface too quickly. Learn more about the bends in this HowStuffWorks podcast. HowStuffWorks.com How Do Bacteria Become Immune to Anti-biotics? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-19-brainstuff-bacteria.mp3 Bacteria can become immune to anti-antibiotics through mutation. Learn more about bacteria, mutation, and antibiotics in this HowStuffWorks podcast. Science & Medicine Wed, 19 Mar 2008 15:12:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990400568podcast-bacteria.mp3 no bacteria, antibiotic, mutation, cosmic rays Bacteria can become immune to anti-antibiotics through mutation. Learn more about bacteria, mutation, and antibiotics in this HowStuffWorks podcast. HowStuffWorks.com How Does Asylum Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-17-brainstuff-asylum.mp3 People who apply for asylum in the US are either unwilling or unable to return to their country. Learn more about asylum in America with this HowStuffWorks podcast. Science & Medicine Mon, 17 Mar 2008 15:11:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1213990064146podcast-asylum.mp3 no asylum, refugee, citizenship, USA, immigration People who apply for asylum in the US are either unwilling or unable to return to their country. Learn more about asylum in America with this HowStuffWorks podcast. HowStuffWorks.com How Do Camels Store Water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-14-brainstuff-camels.mp3 The camel's hump is a large deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. Science & Medicine Fri, 14 Mar 2008 15:10:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214322332767podcast-camels.mp3 no camels, water, fat, starvation The camel's hump is a large deposit of fat that lets the camel survive up to 2 weeks without food. Learn more about camels in this HowStuffWorks podcast. HowStuffWorks.com How Do Carbohydrates Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-12-brainstuff-carbs.mp3 glucose, carbs, carbohydrates, sucrose, sugar, energy Science & Medicine Wed, 12 Mar 2008 15:09:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214322394896podcast-carbs.mp3 no glucose, carbs, carbohydrates, sucrose, sugar, energy The body converts carbohydrates like glucose or sucrose into energy. Learn more about carbohydrates in this HowStuffWorks podcast. HowStuffWorks.com What Does The CE Logo Mean? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-10-brainstuff-c-e-logo.mp3 The European Union uses the C. E. Logo to show a product conforms to European safety standards. Learn more about the C.E. Logo in this HowStuffWorks podcast. Science & Medicine Mon, 10 Mar 2008 15:08:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214321999516podcast-c-e-logo.mp3 no C.E., Conformity European, safety standards The European Union uses the C E Logo to show a product conforms to European safety standards. Learn more about the C.E. Logo in this HowStuffWorks podcast. HowStuffWorks.com How C4 Explosives Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-07-brainstuff-c4.mp3 Plastic explosives like C-4 are solid, stable, and very efficient. Learn more about c-4 in this HowStuffWorks podcast. Science & Medicine Fri, 07 Mar 2008 16:07:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214322284182podcast-c4.mp3 no c-4, plastic explosive, explosions, shaped charge Plastic explosives like C-4 are solid, stable, and very efficient. Learn more about c-4 in this HowStuffWorks podcast. HowStuffWorks.com How Does The Human Life Span Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-05-brainstuff-life-span.mp3 Reducing your caloric intake by 1/3 may extend your lifespan up to 40 percent. Learn more about the human lifespan in this podcast from HowStuffWorks.com Science & Medicine Wed, 05 Mar 2008 16:06:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330170984podcast-life-span.mp3 no life, lifespan, mortality, caloric intake Reducing your caloric intake by 1/3 may extend your lifespan up to 40 percent. Learn more about the human lifespan in this podcast from HowStuffWorks.com HowStuffWorks.com How Do Light Bulbs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-03-03-brainstuff-light-bulb.mp3 Light bulbs provide light by running electricity through a tungsten wire, increasing the filament temperature to 4,000 degrees. Learn more in this HowStuffWorks podcast. Science & Medicine Mon, 03 Mar 2008 16:05:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330268528podcast-light-bulb.mp3 no light bulbs, light, tungsten, filament Light bulbs provide light by running electricity through a tungsten wire, increasing the filament temperature to 4,000 degrees. Learn more in this HowStuffWorks podcast. HowStuffWorks.com How Internet Cookies Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-29-brainstuff-cookies.mp3 Internet cookies are information stored as text strings on a machine by a web server. Most commonly, cookies are used to store user IDs. Science & Medicine Fri, 29 Feb 2008 16:05:01 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455114266brainstuff-cookies.mp3 no internet, cookies, IP address, online privacy Internet cookies are information stored as text strings on a machine by a web server. Most commonly, cookies are used to store user IDs. HowStuffWorks.com Why Are National Contests Excluded in Rhode Island? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-27-brainstuff-contests.mp3 Rhode Island is the only state that requires a legal statement from companies conducting contests in the state. Learn more about contest laws in this HowStuffWorks podcast. Science & Medicine Wed, 27 Feb 2008 16:04:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328218175podcast-contests.mp3 no contests, legal notice, Rhode island, fees, litigation Rhode Island is the only state that requires a legal statement from companies conducting contests in the state. Learn more about contest laws in this HowStuffWorks podcast. HowStuffWorks.com How Do DVD Players Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-25-brainstuff-dvd-player.mp3 DVD players have several different audio-visual connections due to competing standards. Learn more about DVD player connections in this HowStuffWorks podcast. Science & Medicine Mon, 25 Feb 2008 16:03:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329041209podcast-dvd-player.mp3 no DVD, DVD player, composite video, s-video, component video, surround sound DVD players have several different audio-visual connections due to competing standards. Learn more about DVD player connections in this HowStuffWorks podcast. HowStuffWorks.com How Does Dynamite Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-22-brainstuff-dynamite.mp3 Dynamite explodes because it contains its own oxygen and nitrogen atoms. Learn more about dynamite and explosions at HowStuffWorks.com Science & Medicine Fri, 22 Feb 2008 16:02:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329136473podcast-dynamite.mp3 no dynamite, nitroglycerin, explosion, explosions, TNT Dynamite explodes because it contains its own oxygen and nitrogen atoms. Learn more about dynamite and explosions at HowStuffWorks.com HowStuffWorks.com How Does Cotton Absorb Water? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-20-brainstuff-cotton.mp3 Cotton can absorb about 20 times its weight in water, and 250 times more water than nylon. Learn more about cotton in this HowStuffWorks podcast. Science & Medicine Wed, 20 Feb 2008 16:01:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328536506podcast-cotton.mp3 no cotton, water, water absorption, nylon, molecular structure Cotton can absorb about 20 times its weight in water, and 250 times more water than nylon. Learn more about cotton in this HowStuffWorks podcast. HowStuffWorks.com How Do Cavities Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-18-brainstuff-cavities.mp3 Cavities are formed by bacteria that excrete an acid onto the enamel of a tooth. Learn more about cavities and bacteria in this HowStuffWorks podcast. Science & Medicine Mon, 18 Feb 2008 16:00:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214327946491podcast-cavities.mp3 no cavity, teeth, tooth, plaque, bacteria, root canal, dentistry Cavities are formed by bacteria that excrete an acid onto the enamel of a tooth. Learn more about cavities and bacteria in this HowStuffWorks podcast. HowStuffWorks.com How Do Ear Thermometers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-18-brainstuff-ear-thermometer.mp3 Ear Thermometers sense subtle infrared changes in light inside the eardrum. Learn more about ear thermometers, check out this HowStuffWorks podcast. Science & Medicine Mon, 18 Feb 2008 15:59:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329337795podcast-ear-thermometer.mp3 no thermometer, eardrum, ear drum, body temperature, remote sensing, infrared, infrared energy, thermopile, tympanic probe, and thermometer, silicon thermopile Ear Thermometers sense subtle infrared changes in light inside the eardrum. Learn more about ear thermometers, check out this HowStuffWorks podcast. HowStuffWorks.com How Does Dry Cleaning Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-15-brainstuff-dry-cleaning.mp3 Dry cleaning is not actually dry, but uses a solvent. Learn more about dry cleaning in this HowStuffWorks podcast. Science & Medicine Fri, 15 Feb 2008 15:58:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328999514podcast-dry-cleaning.mp3 no dry cleaning, laundry, pressing, cleaners, clothing, clothes Dry cleaning is not actually dry, but uses a solvent. Learn more about dry cleaning in this HowStuffWorks podcast. HowStuffWorks.com How Do Counterfeit Pens Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-13-brainstuff-counterfeit-pen.mp3 Counterfeit pens contain an iodine solution that reacts with cellulose to create black stain. Learn more about counterfeit detecting pens in this HowStuffWorks podcast. Science & Medicine Wed, 13 Feb 2008 15:57:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328579467podcast-counterfeit-pen.mp3 no counterfeit, fiber, pen, iodine, fake money, cellulose Counterfeit pens contain an iodine solution that reacts with cellulose to create black stain. Learn more about counterfeit detecting pens in this HowStuffWorks podcast. HowStuffWorks.com How Does Cork Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-13-brainstuff-cork.mp3 All trees have a cork layer, but only cork oak has a layer of cork thick enough to be useful. Learn more about cork and trees in this HowStuffWorks podcast. Science & Medicine Wed, 13 Feb 2008 15:56:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328390236podcast-cork.mp3 no trees, cork, cork oak, wine cork, wine All trees have a cork layer, but only cork oak has a layer of cork thick enough to be useful. Learn more about cork and trees in this HowStuffWorks podcast. HowStuffWorks.com Why Is Milk Good For Kids? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-11-brainstuff-milk.mp3 A human could eat mother's milk for up to two years. To learn more about milk, check out this HowStuffWorks podcast. Science & Medicine Mon, 11 Feb 2008 15:55:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330421562podcast-milk.mp3 no milk, babies, mother's milk A human could eat mother's milk for up to two years. To learn more about milk, check out this HowStuffWorks podcast. HowStuffWorks.com How Does Carrageenan Works? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-11-brainstuff-carrageenan.mp3 Carrageenan is a seaweed extract used as a preservative in processed foods. Learn more about carrageenan, gums, and processed food in this podcast. Science & Medicine Mon, 11 Feb 2008 15:54:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214327885908podcast-carrageenan.mp3 no gum, processed food, frozen food, carrageenan Carrageenan is a seaweed extract used as a preservative in processed foods. Learn more about carrageenan, gums, and processed food in this podcast. HowStuffWorks.com How Does A Jake Brake Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-08-brainstuff-jake-brakes.mp3 A Jake brake uses the engine to provide braking power by turning it into an air compressor. Learn more about Jake brakes in this HowStuffWorks podcast. Science & Medicine Fri, 08 Feb 2008 15:53:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329657423podcast-jake-brakes.mp3 no Jake brake, engine, truck, air compressor A Jake brake uses the engine to provide braking power by turning it into an air compressor. Learn more about Jake brakes in this HowStuffWorks podcast. HowStuffWorks.com How Does Krispy Kreme Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-06-brainstuff-krispy-kreme.mp3 A single Krispy Kreme store can produce 100,000 doughnuts a day. To learn more about how these Krispy Kreme doughnuts are made, check out this HowStuffWorks podcast. Science & Medicine Wed, 06 Feb 2008 15:52:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329722177podcast-krispy-kreme.mp3 no doughnut, krispy kreme A single Krispy Kreme store can produce 100,000 doughnuts a day. To learn more about how these Krispy Kreme doughnuts are made, check out this HowStuffWorks podcast. HowStuffWorks.com How Do Computers Play Chess? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-04-brainstuff-chess-computer.mp3 Computers and humans play chess in completely different ways. To learn more about how computers play chess, check out this HowStuffWorks podcast. Science & Medicine Mon, 04 Feb 2008 15:51:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328114288podcast-chess-computer.mp3 no chess, computer, computer chess, Deep Blue, chess championship Computers and humans play chess in completely different ways. To learn more about how computers play chess, check out this HowStuffWorks podcast. HowStuffWorks.com How Does Mars Food Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-02-01-brainstuff-mars-food.mp3 The typical male astronaut would need 1.25 pounds of dried food per day on a 2 year mission to mars. Learn more about mars in this HowStuffWorks podcast. Science & Medicine Fri, 01 Feb 2008 15:50:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330374634podcast-mars-food.mp3 no mars, astronaut, food, dried food, freeze dried, dehydrated The typical male astronaut would need 1.25 pounds of dried food per day on a 2 year mission to mars. Learn more about mars in this HowStuffWorks podcast. HowStuffWorks.com How Do Shots Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-31-brainstuff-shots.mp3 Most drugs travel through the bloodstream. If a drug molecule is too large, or dissolves in stomach acid, it must be given as a shot. Learn more about shots in this HowStuffWorks podcast. Science & Medicine Thu, 31 Jan 2008 15:23:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336134533podcast-shots.mp3 no shot, inoculation, drugs, drug, doctor, vaccination Most drugs travel through the bloodstream. If a drug molecule is too large, or dissolves in stomach acid, it must be given as a shot. Learn more about shots in this HowStuffWorks podcast. HowStuffWorks.com How Do Credit Card Stripes Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-30-brainstuff-credit-card-stripe.mp3 Credit card strips are pieces of magnetic tape with your personal information. Learn more about credit card stripes at HowStuffWorks.com Science & Medicine Wed, 30 Jan 2008 15:49:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328628551podcast-credit-card-stripe.mp3 no credit card stripe, credit card, credit card strip Credit card strips are pieces of magnetic tape with your personal information. Learn more about credit card stripes at HowStuffWorks.com HowStuffWorks.com How Do Diesel Subs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-28-brainstuff-diesel-sub.mp3 Diesel submarines are the world's largest hybrid vehicles. Learn more about diesel engines in this HowStuffWorks podcast. Science & Medicine Mon, 28 Jan 2008 15:48:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328782945podcast-diesel-sub.mp3 no diesel submarines, diesel subs, generators, snorkel, diesel sub Diesel submarines are the world's largest hybrid vehicles. Learn more about diesel engines in this HowStuffWorks podcast. HowStuffWorks.com How Do Digital Cellphones Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-25-brainstuff-digital-cellphone.mp3 Digital cellphones have better signal compression and more efficient batteries. Learn the difference between analog and digital cellphones in this HowStuffWorks podcast. Science & Medicine Fri, 25 Jan 2008 15:47:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328948555podcast-digital-cellphone.mp3 no cell phones, how cell phones work Digital cellphones have better signal compression and more efficient batteries. Learn the difference between analog and digital cellphones in this HowStuffWorks podcast. HowStuffWorks.com How Do Diets Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-23-brainstuff-diets.mp3 The human body is super-efficient, and burns 12 calories per pound per day. To learn more about dieting, calories, and exercise, check out this HowStuffWorks podcast. Science & Medicine Wed, 23 Jan 2008 15:46:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328841262podcast-diets.mp3 no diet, dieting, calories, caloric intake, fat, body, energy, fast food The human body is super-efficient, and burns 12 calories per pound per day. To learn more about dieting, calories, and exercise, check out this HowStuffWorks podcast. HowStuffWorks.com How Does Espresso Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-21-brainstuff-espresso.mp3 Espresso is made with finally-ground coffee beans, water, and lots of pressure. Learn more about espresso in this HowStuffWorks podcast. Science & Medicine Mon, 21 Jan 2008 15:45:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329484830podcast-espresso.mp3 no espresso, coffee, caffeine, coffee beans, barista, ground coffee Espresso is made with finally-ground coffee beans, water, and lots of pressure. Learn more about espresso in this HowStuffWorks podcast. HowStuffWorks.com How Do Lighted Watches Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-18-brainstuff-lighted-watch.mp3 Glowing watches use a thin layer of phosphor sandwiched between two clear electrodes to produce light. Learn more in this HowStuffWorks podcast. Science & Medicine Fri, 18 Jan 2008 15:44:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330220412podcast-lighted-watch.mp3 no lighted watch, phosphorus, phosphors Glowing watches use a thin layer of phosphor sandwiched between two clear electrodes to produce light. Learn more in this HowStuffWorks podcast. HowStuffWorks.com How Does Charcoal Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-16-brainstuff-charcoal.mp3 Charcoal is made by heating wood without any oxygen to burn, creating smokeless carbon. Learn more about charcoal in this HowStuffWorks podcast. Science & Medicine Wed, 16 Jan 2008 15:43:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328066703podcast-charcoal.mp3 no charcoal, barbeque, briquette, wood, fuel, grill Charcoal is made by heating wood without any oxygen to burn, creating smokeless carbon. Learn more about charcoal in this HowStuffWorks podcast. HowStuffWorks.com How Do Dye Packs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-14-brainstuff-dye-packs.mp3 A dye pack is a stack of real bills with a dye pack stuck in the middle. Learn more about dye packs in this HowStuffWorks podcast. Science & Medicine Mon, 14 Jan 2008 15:42:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329093043podcast-dye-packs.mp3 no dye pack, money, cash, currency, bank, bank robbery A dye pack is a stack of real bills with a dye pack stuck in the middle. Learn more about dye packs in this HowStuffWorks podcast. HowStuffWorks.com How Is Corn Syrup Made? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-11-brainstuff-corn-syrup.mp3 Corn syrup is made by crushing corn starch and adding a special enzyme. To learn more about corn syrup, check out this HowStuffWorks podcast. Science & Medicine Fri, 11 Jan 2008 15:41:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328483860podcast-corn-syrup.mp3 no corn, corn syrup, corn starch, enzyme, glucose Corn syrup is made by crushing corn starch and adding a special enzyme. To learn more about corn syrup, check out this HowStuffWorks podcast. HowStuffWorks.com How Does Lead In TVs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-09-brainstuff-lead.mp3 Most cities won't accept trashed monitors, because a monitor can contain up to 5 pounds of lead. Learn more about lead in this HowStuffWorks podcast. Science & Medicine Wed, 09 Jan 2008 15:40:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330103606podcast-lead.mp3 no lead, lead poisoning, recycling, landfills, television, computer monitor, disposal, lead disposal Most cities won't accept trashed monitors, because a monitor can contain up to 5 pounds of lead. Learn more about lead in this HowStuffWorks podcast. HowStuffWorks.com Why Do Limbs Fall Asleep? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-07-brainstuff-limbs-asleep.mp3 Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this HowStuffWorks podcast. Science & Medicine Mon, 07 Jan 2008 15:38:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330323440podcast-limbs-asleep.mp3 no limbs asleep, nerves, sleep, limps, impulses, feeling, tingling Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this HowStuffWorks podcast. HowStuffWorks.com How Are Conjoined Twins Formed? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-04-brainstuff-conjoined-twins.mp3 When two embryonic cell clumps split later than ten days after conception, conjoined twins may form. Learn more about conjoined twins in this HowStuffWorks podcast. Science & Medicine Fri, 04 Jan 2008 15:37:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328157576podcast-conjoined-twins.mp3 no twins, conjoined twins, conception, birth, cell division When two embryonic cell clumps split later than ten days after conception, conjoined twins may form. Learn more about conjoined twins in this HowStuffWorks podcast. HowStuffWorks.com How Do Laser Speed Guns Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2008-01-02-brainstuff-laser-speed-gun.mp3 Laser speed guns shoot short bursts of laser-red infrared light to calculate the speed of a car. Learn more about laser speed guns in this HowStuffWorks podcast. Science & Medicine Wed, 02 Jan 2008 15:36:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329952431podcast-laser-speed-gun.mp3 no laser speed gun, police, speeding, traffic, radar guns Laser speed guns shoot short bursts of laser-red infrared light to calculate the speed of a car. Learn more about laser speed guns in this HowStuffWorks podcast. HowStuffWorks.com How Is Corn Oil Made? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-corn-oil.mp3 Corn kernels contain a small amount of oil in the germ, near the pointy end. Learn more about corn and corn oil in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:35:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328438571podcast-corn-oil.mp3 no corn, corn oil, kernel, germ Corn kernels contain a small amount of oil in the germ, near the pointy end. Learn more about corn and corn oil in this HowStuffWorks podcast. HowStuffWorks.com What Are Film Slates Used For? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-film-slate.mp3 Film slates, or clapperboards, are used to synchronize sound and audio during filming. Learn more about clapperboards in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:34:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214329609026podcast-film-slate.mp3 no film slates, clapperboard, film, movie, movies, director Film slates, or clapperboards, are used to synchronize sound and audio during filming. Learn more about clapperboards in this HowStuffWorks podcast. HowStuffWorks.com How Do Deep Cycle Batteries Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-deep-cycle-battery.mp3 A deep-cycle battery provides a steady amount of current over a long amount of time. Learn more about deep-cycle batteries in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:33:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214328676714podcast-deep-cycle-battery.mp3 no deep-cycle battery, batteries, lead-acid battery, golf cart, deep-cycle, deep-cycle batteries A deep-cycle battery provides a steady amount of current over a long amount of time. Learn more about deep-cycle batteries in this HowStuffWorks podcast. HowStuffWorks.com How Do Microwaves Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-microwave.mp3 Microwaves heat food directly, while ovens heat the air around food. Learn more about microwaves in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:32:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331045915podcast-microwave.mp3 no microwaves, microwave, microwave oven Microwaves heat food directly, while ovens heat the air around food. Learn more about microwaves in this HowStuffWorks podcast. HowStuffWorks.com What Is A Nautical Mile? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-nautical-mile.mp3 A nautical mile is based on the size of the earth. Learn more about nautical miles in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:31:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214330997908podcast-nautical-mile.mp3 no miles, nautical mile, earth A nautical mile is based on the size of the earth. Learn more about nautical miles in this HowStuffWorks podcast. HowStuffWorks.com How Does Night Vision Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-night-vision.mp3 Night vision works in two ways: image enhancement and thermal imaging. Learn more about night vision in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:30:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331401427podcast-night-vision.mp3 no night vision, night blindness Night vision works in two ways: image enhancement and thermal imaging. Learn more about night vision in this HowStuffWorks podcast. HowStuffWorks.com How Does Night Blindness Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-night-blind.mp3 When your eyes are exposed to bright light, chemical breakdowns in your eyes produce night-blindness. Learn more in this podcast from HowStuffWorks.com Science & Medicine Mon, 31 Dec 2007 15:29:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331339533podcast-night-blind.mp3 no night vision, night blindness When your eyes are exposed to bright light, chemical breakdowns in your eyes produce night-blindness. Learn more in this podcast from HowStuffWorks.com HowStuffWorks.com How Do Plasma TVs Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-plasma-tv.mp3 Plasma TVs use millions of tiny lights, requiring less space than a conventional TV. Learn more about plasma TVs in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:28:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335547330podcast-plasma-tv.mp3 no television, plasma TV Plasma TVs use millions of tiny lights, requiring less space than a conventional TV. Learn more about plasma TVs in this HowStuffWorks podcast. HowStuffWorks.com How Do Passports Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-passports.mp3 Keep yourself safe traveling abroad by making two copies of your ID and passport before leaving. Learn more about safe passport travel in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:27:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334467108podcast-passports.mp3 no passport, stolen identity, stranded, American consulate, travel Keep yourself safe traveling abroad by making two copies of your ID and passport before leaving. Learn more about safe passport travel in this HowStuffWorks podcast. HowStuffWorks.com How Does A Quartz Watch Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-quartz-watch.mp3 In a quartz watch the time base is a tiny piece of quartz that reacts to voltage. Learn more about quartz watches in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:26:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335595696podcast-quartz-watch.mp3 no quartz, quartz watch, watch, timepiece In a quartz watch the time base is a tiny piece of quartz that reacts to voltage. Learn more about quartz watches in this HowStuffWorks podcast. HowStuffWorks.com How Do Space Suits Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-space-suit.mp3 Space suits provide oxygen, pressurize air, and control an astronaut's temperature. Learn more about space suits in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:25:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336172901podcast-space-suit.mp3 no space, space suit, astronaut, NASA, EVA Space suits provide oxygen, pressurize air, and control an astronaut's temperature. Learn more about space suits in this HowStuffWorks podcast. HowStuffWorks.com How Does The Richter Scale Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-richter-scale.mp3 Earthquakes are measured using the Richter scale, a factor of ten scale. Learn more about the Richter Scale in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:24:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335892094podcast-richter-scale.mp3 no Richter scale, earthquake, seismograph Earthquakes are measured using the Richter scale, a factor of ten scale. Learn more about the Richter Scale in this HowStuffWorks podcast. HowStuffWorks.com How Do Pawn Shops Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-pawn-shop.mp3 Pawn shops essentially make small loans based on collateral. Learn more about pawn shops in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:22:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334505710podcast-pawn-shop.mp3 no pawn, pawn shop, pawning, loans, microloans Pawn shops essentially make small loans based on collateral. Learn more about pawn shops in this HowStuffWorks podcast. HowStuffWorks.com How Does Popcorn Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-popcorn.mp3 When a kernel is softened with steam and pressurized, and when that pressure is suddenly released, popcorn puffs. Learn more about popcorn in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:21:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335637594podcast-popcorn.mp3 no popcorn, popping corn, steam, kernel When a kernel is softened with steam and pressurized, and when that pressure is suddenly released, popcorn puffs. Learn more about popcorn in this HowStuffWorks podcast. HowStuffWorks.com How Do Sewers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-sewers.mp3 Sewage treatment plants use several steps to purify and clean used water. Learn more about sewage treatment plants in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:20:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336083214podcast-sewers.mp3 no sewage, sewer, sewage treatment, chlorine, waste water Sewage treatment plants use several steps to purify and clean used water. Learn more about sewage treatment plants in this HowStuffWorks podcast. HowStuffWorks.com How Does Remote Entry Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-remote-entry.mp3 Remote entry fobs are tiny radio transmitters that use a rolling code to open vehicles. Learn more about remote entry in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:19:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335800236podcast-remote-entry.mp3 no remote entry, fob, security, automobile, vehicle Remote entry fobs are tiny radio transmitters that use a rolling code to open vehicles. Learn more about remote entry in this HowStuffWorks podcast. HowStuffWorks.com How Does Oil Weight Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-oil-weight.mp3 Oil weight is a measure of viscosity, and weight can change depending on temperature. Learn more about motor oil weight in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:18:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331574786podcast-oil-weight.mp3 no oil, oil weight, motor oil, viscosity. Oil weight is a measure of viscosity, and weight can change depending on temperature. Learn more about motor oil weight in this HowStuffWorks podcast. HowStuffWorks.com How Does A Pet ID Chip Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-pet-id-chip.mp3 Pet ID chips use a radio transmitter to broadcast a unique ID number. Learn more about pet ID chips in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:17:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334550437podcast-pet-id-chip.mp3 no pet ID, transmitter, stray dogs Pet ID chips use a radio transmitter to broadcast a unique ID number. Learn more about pet ID chips in this HowStuffWorks podcast. HowStuffWorks.com How Do Rebreathers Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-rebreathers.mp3 Rebreathers use the same air over and over, adding oxygen and removing carbon dioxide. Learn more a bout rebreathers in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:16:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335701582podcast-rebreathers.mp3 no rebreathers, Navy SEALS, diving, divers Rebreathers use the same air over and over, adding oxygen and removing carbon dioxide. Learn more a bout rebreathers in this HowStuffWorks podcast. HowStuffWorks.com How Do Red Light Cameras Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-red-light-cameras.mp3 Red-light cameras use triggers, cameras, and a computer to monitor traffic violations. Learn more about red-light cameras in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:15:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335747511podcast-red-light-cameras.mp3 no red light, traffic, intersection, red-light camera Red-light cameras use triggers, cameras, and a computer to monitor traffic violations. Learn more about red-light cameras in this HowStuffWorks podcast. HowStuffWorks.com How Does The Nobel Prize Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-nobel-prize.mp3 Named after the inventor of dynamite, the Nobel prize is one of the world's most prestigious rewards. Learn more about the Nobel Prize in this HowStuffWorks podcast. Science & Medicine Mon, 31 Dec 2007 15:14:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331512016podcast-nobel-prize.mp3 no Nobel, Nobel peace prize, reward, Alfred Nobel Named after the inventor of dynamite, the Nobel prize is one of the world's most prestigious rewards. Learn more about the Nobel Prize in this HowStuffWorks podcast. HowStuffWorks.com How Windchill Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-12-31-brainstuff-windchill.mp3 The wind-chill factor is the temperature that a person feels because of the wind. This is the same effect found when a person blows on hot soup to cool it down. Science & Medicine Mon, 31 Dec 2007 14:12:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1215455755990brainstuff-windchill.mp3 no windchill, air movement, temperature, cold weather The wind-chill factor is the temperature that a person feels because of the wind. This is the same effect found when a person blows on hot soup to cool it down. HowStuffWorks.com How Does An Oxygen Sensor Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-oxygen-sensor.mp3 An oxygen sensor measures how much oxygen is in the car exhaust. Learn more about oxygen sensors in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:13:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214332132057podcast-oxygen-sensor.mp3 no oxygen sensor, catalytic converter, exhaust An oxygen sensor measures how much oxygen is in the car exhaust. Learn more about oxygen sensors in this HowStuffWorks podcast. HowStuffWorks.com How Is A Phone Powered http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-phone-power.mp3 Phone companies maintain generators and battery banks to make sure house phones work during emergencies. Learn more in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:12:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334600552podcast-phone-power.mp3 no phone, phone companies, electricity, cordless phones, phone jacks Phone companies maintain generators and battery banks to make sure house phones work during emergencies. Learn more in this HowStuffWorks podcast. HowStuffWorks.com How Do Retention Ponds Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-retention-ponds.mp3 Retention ponds catch all the water that runs off a parking lot during a heavy rain. Learn more about retention ponds in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:11:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335850992podcast-retention-ponds.mp3 no retention pond, flooding, parking lot, rain Retention ponds catch all the water that runs off a parking lot during a heavy rain. Learn more about retention ponds in this HowStuffWorks podcast. HowStuffWorks.com How Do Onions Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-onions.mp3 Slicing onions causes people's eyes to tear up in response to the acids produced during slicing. Learn more about onions and tears in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:10:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331722227podcast-onions.mp3 no onions, tears, acids Slicing onions causes people's eyes to tear up in response to the acids produced during slicing. Learn more about onions and tears in this HowStuffWorks podcast. HowStuffWorks.com How Does An Optical Mouse Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-optical-mouse.mp3 An optical mouse uses a fast camera and computer to calculate where you've moved the mouse. Learn more about optical mice in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:09:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214331769484podcast-optical-mouse.mp3 no mouse, optical mouse, computer An optical mouse uses a fast camera and computer to calculate where you've moved the mouse. Learn more about optical mice in this HowStuffWorks podcast. HowStuffWorks.com How Does Finding New Planets Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-planets.mp3 Planets outside our solar system were not discovered until 1991. Learn more about discovering extrasolar planets in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:08:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334656870podcast-planets.mp3 no sun, planet, astronomy, detecting planets, Planets outside our solar system were not discovered until 1991. Learn more about discovering extrasolar planets in this HowStuffWorks podcast. HowStuffWorks.com How Does a Safety Chute Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-safety-chute.mp3 Safety chutes deploy automatically when the primary parachute fails. Learn more about safety chutes in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:07:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335943725podcast-safety-chute.mp3 no safety chute, parachute, skydiving, AAD Safety chutes deploy automatically when the primary parachute fails. Learn more about safety chutes in this HowStuffWorks podcast. HowStuffWorks.com How Is the Sea Level Measured? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-sea-level.mp3 The sea level can be read relatively accurately using a tide gauge. Learn more about measuring sea levels in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:06:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336036051podcast-sea-level.mp3 no sea level, global warming, tide gauge The sea level can be read relatively accurately using a tide gauge. Learn more about measuring sea levels in this HowStuffWorks podcast. HowStuffWorks.com Why Do We Hear The Ocean In A Seashell? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-seashell.mp3 Seashells reflect ambient sound like a resonating chamber. To learn more about resonating seashells, check out this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:05:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214335991419podcast-seashell.mp3 no seashells, ambient sound, resonation Seashells reflect ambient sound like a resonating chamber. To learn more about resonating seashells, check out this HowStuffWorks podcast. HowStuffWorks.com How Do Parasitic Loads Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-parasitic-loads.mp3 Parasitic loads use electricity even when they're unplugged. Learn more about parasitic loads in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:04:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214334415243podcast-parasitic-loads.mp3 no parasitic load, transformer cube, outlet, electricity, electric bill Parasitic loads use electricity even when they're unplugged. Learn more about parasitic loads in this HowStuffWorks podcast. HowStuffWorks.com How Do T1 Lines Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-t1-line.mp3 A t1 line can carry digital data at a rate of 1.5 million bits per second. Learn more about t1 lines in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:03:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336894986podcast-t1-line.mp3 no t1 line, internet, connection, modem, router A t1 line can carry digital data at a rate of 1.5 million bits per second. Learn more about t1 lines in this HowStuffWorks podcast. HowStuffWorks.com How Does A Toaster Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-toaster.mp3 Toaster coils are made with nichrome wire, which does not rust during heating. Learn more about toasters in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:02:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336980626podcast-toaster.mp3 no toast, toaster, nichrome, micah Toaster coils are made with nichrome wire, which does not rust during heating. Learn more about toasters in this HowStuffWorks podcast. HowStuffWorks.com How Do Sunglasses Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-sunglasses.mp3 Good sunglasses have several different technologies at work. In this HowStuffWorks podcast, you'll learn more about sunglasses, polarization, and tint. Science & Medicine Wed, 31 Jan 2007 15:01:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336844136podcast-sunglasses.mp3 no sunglasses, sun, polycarbonate, tint, ultraviolet, coating Good sunglasses have several different technologies at work. In this HowStuffWorks podcast, you'll learn more about sunglasses, polarization, and tint. HowStuffWorks.com How Do Trees Function During Droughts? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-trees-in-drought.mp3 Trees survive drought by absorbing water from the soil. Learn more about trees during drought in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 15:00:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337072718podcast-trees-in-drought.mp3 no trees, drought, water, Trees survive drought by absorbing water from the soil. Learn more about trees during drought in this HowStuffWorks podcast. HowStuffWorks.com How Dialysis Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-dialysis.mp3 The kidneys remove urea and certain salts from the blood so that these wastes can exit the body in urine. Dialysis machines mimic this behavior, and allow people with chronic kidney problems to survive. Learn more about dialysis in this HowStuffWorks podc Science & Medicine Wed, 31 Jan 2007 14:58:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419312697brainstuff-dialysis.mp3 no kidney, kidney stones, dialysis The kidneys remove urea and certain salts from the blood so that these wastes can exit the body in urine. Dialysis machines mimic this behavior, and allow people with chronic kidney problems to survive. Learn more about dialysis in this HowStuffWorks podc HowStuffWorks.com How Does Water Weight Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-weight.mp3 The amount of water carried in a human body can affect weight. Learn more about how water affects weight fluctuation in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:57:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337165467podcast-weight.mp3 no weight, water, water retention, weight fluctuation The amount of water carried in a human body can affect weight. Learn more about how water affects weight fluctuation in this HowStuffWorks podcast. HowStuffWorks.com How Buying an HDTV Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-buying-an-hdtv.mp3 When buying a high-definition television, consumers should carefully consider the technical specifications of each product. Learn more about buying an HDTV in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:56:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419085192brainstuff-buying-an-hdtv.mp3 no hdtv, hdtvs, high definition television When buying a high-definition television, consumers should carefully consider the technical specifications of each product. Learn more about buying an HDTV in this HowStuffWorks podcast. HowStuffWorks.com How Do Video Guns Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-video-guns.mp3 Video guns use a light sensor to sense where the game player is firing. Learn more about light sensors in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:55:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214337027227podcast-video-guns.mp3 no video gun, video game, light sensor Video guns use a light sensor to sense where the game player is firing. Learn more about light sensors in this HowStuffWorks podcast. HowStuffWorks.com How Dump Trucks Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-dump-truck.mp3 Some dump trucks carry extra sets of adjustable tires, which are raised or lowered depending on the weight of the load. Learn more about dump trucks and adjustable tire sets in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:54:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419703296brainstuff-dump-truck.mp3 no hydraulic machines, hydraulic machine, hydraulic, dump trucks Some dump trucks carry extra sets of adjustable tires, which are raised or lowered depending on the weight of the load. Learn more about dump trucks and adjustable tire sets in this HowStuffWorks podcast. HowStuffWorks.com How Does Tear Gas Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-tear-gas.mp3 Tear gas irritates mucous membranes in the eyes, nose, mouth, and lungs. Learn more about tear gas in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:53:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336938743podcast-tear-gas.mp3 no tear gas, irritant, CS, Mace, CN, pepper spray, law enforcement Tear gas irritates mucous membranes in the eyes, nose, mouth, and lungs. Learn more about tear gas in this HowStuffWorks podcast. HowStuffWorks.com How Automatic Rice Cookers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-rice-cooker.mp3 As soon as all the water in a rice cooker is absorbed, it turns itself off -- but how? Learn more about automatic rice cookers in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:52:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214421072729brainstuff-rice-cooker.mp3 no automatic rice cooker, rice cooker, automatic shut-off As soon as all the water in a rice cooker is absorbed, it turns itself off -- but how? Learn more about automatic rice cookers in this HowStuffWorks podcast. HowStuffWorks.com How Does A Surge Protector Work? http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-surge-protector.mp3 Surge protectors safeguard electronics by using a MOV to shunt the voltage to ground. Learn more about surge protectors in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:51:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214336792833podcast-surge-protector.mp3 no surge protector, surge, spike, electronics, MOV Surge protectors safeguard electronics by using a MOV to shunt the voltage to ground. Learn more about surge protectors in this HowStuffWorks podcast. HowStuffWorks.com How Gym Fees Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-gym-fee.mp3 Studies prove the typical person is more likely to save money by paying each time he or she visits the gym, rather than buying a membership. Learn more about gym fees and memberships in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:50:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420498930brainstuff-gym-fee.mp3 no gym, gym fees, gym membership, gym contract, fitness, personal fitness Studies prove the typical person is more likely to save money by paying each time he or she visits the gym, rather than buying a membership. Learn more about gym fees and memberships in this HowStuffWorks podcast. HowStuffWorks.com How Rearview Mirrors Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-rearview-mirror.mp3 How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:49:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420948674brainstuff-rearview-mirror.mp3 no rear-view mirror, rear view mirror, rear mirror, glare, rearview mirror, glare resistant, mirrored surface, reflected image How can the same piece of glass have two different amounts of reflection? Learn more about rearview mirrors in this HowStuffWorks podcast. HowStuffWorks.com How FM Radio Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-fm-stations.mp3 Why do all FM radio stations in the United States end in an odd number? The answer is found in the FCC frequency band regulation. Learn more about FM radio and the FCC in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:48:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214420065213brainstuff-fm-stations.mp3 no FM, FM radio, radio station, FCC, broadband frequency Why do all FM radio stations in the United States end in an odd number? The answer is found in the FCC frequency band regulation. Learn more about FM radio and the FCC in this HowStuffWorks podcast. HowStuffWorks.com How Barometers Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-barometer.mp3 A barometer measures air pressure, and indicates changes in pressure by rising or falling. Learn more about air pressure and barometers in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:47:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419001192brainstuff-barometer.mp3 no barometer, air pressure, meteorology, weather A barometer measures air pressure, and indicates changes in pressure by rising or falling. Learn more about air pressure and barometers in this HowStuffWorks podcast. HowStuffWorks.com How Calorie Meters Work http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-calorie-meters.mp3 It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast Science & Medicine Wed, 31 Jan 2007 14:46:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419148649brainstuff-calorie-meters.mp3 no exercise, gym, calories, calorie meter, caloric intake. It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast HowStuffWorks.com How Drinking Sea Water Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-drinking-sea-water.mp3 Most people know drinking large amounts of salt water is harmful, but how exactly does salt water dehydrate the body? Learn more about drinking salt water in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:45:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214419607814brainstuff-drinking-sea-water.mp3 no how to find water, find water in the wilderness, water in the wild, salt water, shipwreck Most people know drinking large amounts of salt water is harmful, but how exactly does salt water dehydrate the body? Learn more about drinking salt water in this HowStuffWorks podcast. HowStuffWorks.com How Airplane Cabin Pressure Works http://podcasts.howstuffworks.com/hsw/podcasts/brainstuff/2007-01-31-brainstuff-airplane-cabin-pressure.mp3 Although it's easy to take the pressure in an airplane cabin for granted, passengers rely on highly-pressurized air for comfort and survival. Learn more about airplane cabin pressure in this HowStuffWorks podcast. Science & Medicine Wed, 31 Jan 2007 14:44:07 GMT mbrain@howstuffworks.com (Marshall Brain, HowStuffWorks.com) http://netstorage.discovery.com/DMC-FEEDS/MED/podcasts/2008/1214418851579brainstuff-airplane-cabin-pressure.mp3 no pressurized airplane cabin, pressurized cabin, pressurized, pressure gauge, air pressure, atmosphere, sea level, pressure, closed space, high altitude, boiling temperature Although it's easy to take the pressure in an airplane cabin for granted, passengers rely on highly-pressurized air for comfort and survival. Learn more about airplane cabin pressure in this HowStuffWorks podcast. HowStuffWorks.com