Brainstuff
BrainStuff
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How do the Northern Lights work?
The Northern Lights, also known as the aurora borealis, occur ...
The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth's magnetic field. Learn more about auroras and solar activity in this episode.
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What would happen if the polar ice caps melted?
Learn more about melting ice caps, global warming and rising ...
Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff.
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What causes the smell after rain?
The smell of rain is often linked with spring, and ...
The smell of rain is often linked with spring, and it's been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out.
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How do Pop Rocks candy work?
Hard candy (like a lollypop or a Jolly Rancher) is ...
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.
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Can I see the stuff astronauts left on the moon?
Using a telescope to view the moon is fascinating -- ...
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.
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How Golf Ball Dimples Work
If you've ever looked at a golf ball, you've probably ...
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.
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How the Dow Jones Industrial Average Works
The Dow Jones Industrial Average tracks a variety of stocks ...
The Dow Jones Industrial Average tracks a variety of stocks to assist investors. Learn how the Dow Jones keeps tabs on the stock market.
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What Happens to Blood During the Embalming Process?
The embalming process is designed to keep the body preserved ...
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.
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How does the snow dragon eat and digest snow?
For cities plagued by yearly snowstorms, a fleet of snow ...
For cities plagued by yearly snowstorms, a fleet of snow plows and salt often aren't enough to get rid of excess drifts. Luckily, there's another option: Snow dragons. These machines can melt snow on the spot -- but how do they work? Tune in to find out.
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Can nasal sprays be addictive?
Some people have become so dependent on their nasal sprays ...
Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode.
