BrainStuff

Latest Episodes:

BrainStuff Classics: Why Do So Many Price Tags End in .99? Sep 16, 2018

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It’s very common to see the number 9 at the right end of a price tag. But why? Learn about the psychology of pricing -- and nines in particular -- in this episode of BrainStuff.

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BrainStuff Classics: Why Can't People Remember Being Born? Sep 15, 2018

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You probably remember your last birthday, but not your first – or your zeroth. Learn why scientists think we lose those early memories in this episode of BrainStuff.

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What Are Food Deserts? Sep 14, 2018

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In the United States, 17.6 million American lack access to healthy food because there aren't any grocery stores or other establishments that sell fresh food in their area. Learn about food deserts and how we can fix them in this episode of BrainStuff.

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How Could We Get Into Space Without Big Rockets? Sep 13, 2018

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Large rockets are great at getting delicate equipment (and people) into space, but at a huge financial cost. Learn about some of the potential alternatives to ground-launched rockets in this episode of BrainStuff.

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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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