Brainstuff
BrainStuff
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How does a chicken's egg get its shell?
Which came first -- the chicken or the egg? Listen ...
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.
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Are florescent bulbs really more efficient?
Customers are increasingly choosing long-lasting alternatives to traditional incandescent lights. ...
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.
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How Car Thermostats Work
Any liquid-cooled car engine has a thermostat that blocks the ...
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.
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Why can boats float on water?
If a boat weighs 1,000 pounds, it will sink into ...
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.
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How the Virtual First-Down Line Works
Virtual first down lines are used to indicate where play ...
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.
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How does hemp work?
Hemp fibers are coarse and strong, perfect for things like ...
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.
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What is dioxin?
Dioxin is an organic chemical that consists of benzene, oxygen ...
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.
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How do bake and broil settings differ?
Kitchen ovens typically have two settings: bake and broil. What's ...
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.
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How Activated Charcoal Works
If you look on the label of a water filter, ...
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.
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How do astronomers measure distance?
Since astronomers cannot actually travel to a star, they rely ...
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.
