BrainStuff

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Latest Episodes:

Why Do Dogs Love Rolling in Stinky Stuff? Sep 12, 2018

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Dogs are pretty much guaranteed to find the smelliest stuff to roll in -- but why? Learn what may be behind this gross instinct in today's episode of BrainStuff.

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Why Does Skin Tan and Freckle? Sep 11, 2018

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When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff.

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How Do New Religions Take Root? Sep 10, 2018

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Hundreds of new religions pop up every year, but only a few survive and become widespread. Learn why some religions have staying power while others don't in this episode of BrainStuff.

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BrainStuff Classics: How Do Tattoo Machines Work? Sep 09, 2018

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Tattoo machines (sometimes called tattoo guns) haven’t changed much since the 1890s because they’re such elegant devices. Learn how the most common types work in this episode of BrainStuff.

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BrainStuff Classics: How Does Hair Dye Work? Sep 08, 2018

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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 in this episode of BrainStuff.

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How Can an Ancient Pregnancy Test Actually Work? Sep 07, 2018

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An ancient Egyptian pregnancy test has been found to work with about 70% accuracy. Learn how it works in this episode of BrainStuff.

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Does Playing with Toy Guns Lead to Violent Behavior? Sep 06, 2018

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Some parents and advocacy groups recommend against allowing children to play with toys that resemble weapons, like toy guns. But is there any science to back that up? Learn about play, parenting, and aggression in this episode of BrainStuff.

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Why Do You Stop Noticing Scents After a While? Sep 05, 2018

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Smells seem to disappear after a while because our brains lie to us. Not maliciously -- they think they're helping. Learn about olfactory adaptation in this episode of BrainStuff.

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Can Cannabis Help Break Opioid Addiction? Sep 04, 2018

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Medical marijuana is now FDA-approved for some uses even though it's still illegal federally. Some researchers and journalists, including Dr. Sanjay Gupta of CNN, believe it could help solve the opioid crisis. Learn why in this episode of BrainStuff.

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What's the History of Lemonade? Sep 03, 2018

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Who were the first people to drink lemonade? How did it turn pink? Learn the folklore behind lemonade in this episode of BrainStuff.

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