BrainStuff

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Latest Episodes:

How did the moon get there? Aug 25, 2014

Show notes

The moon has orbited over human civilization since the dawn of time, but it took us thousands of years to figure out how it actually got there. Tune in as Marshall Brain examines the formation of the moon.

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How do calorie meters work? Aug 22, 2014

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It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast

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How does popcorn work? Aug 20, 2014

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Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com.

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How Cooking at High Altitudes Works Aug 18, 2014

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The boiling point of water decreases as altitude increases -- generally, this temperature decreases by one degree for every 540 feet of altitude. Learn more about cooking at high altitudes in this podcast from HowStuffWorks.

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Why do cats have whiskers? Aug 15, 2014

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Cat whiskers, also known as "tactile hairs," are very different from a cat's regular body hair. In this episode, Marshall explains how these hairs are unique and what cats use them for.

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How Color Blindness Works Aug 13, 2014

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Color blind individuals can suffer from an inability to differentiate between hues, and occasionally may not be able to see any colors at all. Learn more about color blindness in this HowStuffWorks podcast.

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Why do limbs fall asleep? Aug 11, 2014

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Pressure on nerves can cause the nerves to stop sending impulses to the brain, causing limbs to fall asleep. Learn more about limbs falling asleep in this HowStuffWorks podcast.

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Why do electric plugs have holes? Aug 08, 2014

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You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com.

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What is the right way to remove a leech? Aug 06, 2014

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People have cooked up all sorts of ways to remove leeches over the years, but the simplest is still the most effective. Discover how to safely detach a leech using your hands in this podcast from HowStuffWorks.com.

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How do one-way mirrors work? Aug 01, 2014

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One-way mirrors are ubiquitous in crime dramas, but how do they work? Discover the secret behind one-way mirrors in this episode of BrainStuff.

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