BrainStuff

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Latest Episodes:

What Are Eye Boogers? Apr 10, 2017

Show notes

The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight.

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Why Do We Get Morning Breath? Apr 05, 2017

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Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it?

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Do Animals Laugh? Apr 03, 2017

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It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related?

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How Much Does It Cost To Run For President? Mar 29, 2017

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There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief?

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Can I See the Stuff Astronauts Left On the Moon? Mar 27, 2017

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Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there?

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What Would Space Do To The Human Body? Mar 22, 2017

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Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either.

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Does "Power Dressing" Actually Work? Mar 20, 2017

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Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes?

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How Dirty Is Soap? Mar 15, 2017

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It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are a shared surface. Does soap really help get you clean?

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How Does Hair Dye Work? Mar 13, 2017

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Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager.

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How Do Tattoo Machines Work? Mar 08, 2017

Show notes

Tattoo machines (sometimes called guns) haven’t changed much since the 1890s because they’re such elegant devices. Tune in to learn how the most common types work.

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