Brainstuff
BrainStuff
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What is the difference between good and bad toy helicopters?
Can you buy a good, long-lasting toy helicopter for under ...
Can you buy a good, long-lasting toy helicopter for under $30?
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How do artificial flavors work?
Artificial flavors imitate natural flavors and are found in many ...
Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff.
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Why do human beings have eyebrows?
Eyebrows are prominent human features, but what purpose do they ...
Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode.
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Where do salad dressings get their bizarre names?
Salad dressings like Ranch and Thousand Island are traditional favorites, ...
Salad dressings like Ranch and Thousand Island are traditional favorites, but have you ever wondered how they got their names? Marshall Brain reveals what salad dressings are made of -- and where their famous names came from -- in this episode.
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How Botulism Works
Botulism bacteria creates a type of poisoning and paralysis -- ...
Botulism bacteria creates a type of poisoning and paralysis -- but how does it actually work? Check out this HowStuffWorks podcast to learn more about the effects and spread of botulism.
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How Diaper Crystals Work
Most disposable diapers contain a crystalline, absorbent substance called sodium ...
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.
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How V-chips Work
As of 1999, all TV sets sold in the Untied ...
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
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How do aircraft carriers work?
Aircraft carriers contain some of the most advanced technology in ...
Aircraft carriers contain some of the most advanced technology in the world. Learn more about aircraft and aircraft carriers in this podcast.
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How does an upside down airplane's engine get fuel?
Airplanes rely on gravity to disperse fuel to the engine, ...
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.
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How Sonic Booms Work
The sonic booms formed by planes are similar to the ...
The sonic booms formed by planes are similar to the wakes left by boats in water. But how? To learn more about sonic booms, check out this classic podcast -- it's one of our editors' favorites.
