Brainstuff
BrainStuff
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Is the sound on vinyl records better than on CDs?
The sound quality of vinyl records is sometimes better than ...
The sound quality of vinyl records is sometimes better than that of CDs and DVDs -- and sometimes worse. Learn more about the difference between the sound quality of records, CDs and DVDs in this episode.
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Why is cotton more absorbent than nylon?
When water comes in contact with the complex molecules that ...
When water comes in contact with the complex molecules that make up cotton and nylon, it causes a different action in each material -- but why? Listen in as Marshall Brain breaks down the science behind water absorption in this podcast.
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Where does cork come from?
Most cork comes from special trees that grow in places ...
Most cork comes from special trees that grow in places near the Mediterranean Sea. Learn more about cork oak trees, cork properties, cork products and cork processing in this episode.
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What is the difference between hardwood and softwood?
When it comes to differentiating between hardwoods and softwoods, it's ...
When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode.
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What does Pez mean?
Today, Pez candy dispensers are a sweet treat for children ...
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.
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Is chocolate poisonous to dogs?
Under the right conditions, chocolate can indeed be deadly for ...
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.
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How can there be seedless grapes?
Seedless grapes are the most common kind on the market, ...
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.
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Why doesn't gasoline burn cleanly?
Since gasoline is a liquid formed of carbon and hydrogen, ...
Since gasoline is a liquid formed of carbon and hydrogen, it's possible to trace the chemical reactions in car exhaust and understand what types of pollutants are created by a car's engine. Tune in and learn more about the science behind burning gas.
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How does an oxygen canister on an airplane work?
When you think of storing oxygen, metal tanks full of ...
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.
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How does nitrous oxide help an engine perform better?
Nitrous oxide boosts engine power in two significant ways. Find ...
Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com.
