Brainstuff
BrainStuff
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What type of gas do racecars use?
Different types of racing vehicles require different types of 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.
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What do those plastic recycling symbols means?
A typical recycling symbol on plastic looks like a triangle ...
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.
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What's in mothballs?
There are two different types of mothballs, each of which ...
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.
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What is the heat index?
Your body has efficient ways to release excess heat, but ...
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.
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Why do your ears pop when you dive in a deep pool?
Have you ever wondered why your ears pop when you ...
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.
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How do you make clear ice cubes?
What makes some ice cloudy and some perfectly clear? Discover ...
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.
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How many balloons would it take to life someone off the ground?
Balloons are often filled with helium, which has a lifting ...
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.
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How does chlorine bleach work?
When you buy a gallon of bleach at the grocery ...
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.
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Can water go bad?
Many people store water for emergencies -- but is it ...
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.
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How can you figure out how far away lightning struck?
Check out this podcast from HowStuffWorks to learn how to ...
Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation.
