BrainStuff

You may have heard rumors that wireless internet is a health hazard, but, spoiler alert: It's probably just fine. Learn why in this episode of BrainStuff.

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Car horns are both important safety feature and an instrument of rage. Learn the physics behind the honk in this episode of BrainStuff.

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Crops like sugar and cotton are notoriously tied to slavery in the U.S. (and around the world), but indigo deserves infamy, too. Learn the dark history of this natural dye in today's episode of BrainStuff.

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Throughout history, different cultures have had all kinds of ceremonies surrounding the loss of a first baby tooth. Learn where the Tooth Fairy fits in in this episode of BrainStuff.

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For dinosaur eggs to have survived until now, they must have fossilized -- which makes cracking them open to see what's inside a difficult prospect. Learn how researchers tackle it (and when they don't have to) in this episode of BrainStuff.

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Lactose intolerance is rare in the U.S., but worldwide it's way more common. Learn what causes this and how researchers explain the divide in this episode of BrainStuff.

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Though we've all heard about how Rosa Parks' small act of resistance on a Montgomery bus sparked a boycott that spurred the civil rights movement, a lot of us get the details wrong. Learn the real story of Rosa Parks in this episode of BrainStuff.

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The so-called Birthday Paradox isn't a true paradox -- it's a fascinating example of how bad humans are at off-the-cuff probability. Learn what the Birthday Paradox is and how it works in this episode of BrainStuff.

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Our breath can smell bad for a number of reasons, but it tends to be worse first thing in the morning. Learn why in this classic episode of BrainStuff.

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Many humans enjoy eating chocolate -- but is it because of the taste, or because of compounds in the candy that simulate happiness in our brains? Learn about how chocolate affects us in this episode of BrainStuff.

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