BrainStuff

A bronze disk found near Nebra, Germany may be the oldest know scientific depiction of the night sky -- or it may be a thousand years younger than that. Learn the story of this mysterious disk in today's episode of BrainStuff.

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When is -- and isn't -- a crime considered terrorism? The legal, political and moral definitions are often at odds. We explore why in this classic episode of BrainStuff.

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If the sound of leaf blowers makes you angry, you're not alone -- and there's science behind why. Learn about it in this classic episode of BrainStuff.

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There's an assumption that cats can help control pesky rodent populations, but it turns out that they're pretty bad at catching rats. Learn why, and why cats can make a rat infestation appear lesser, in this episode of BrainStuff.

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Anhedonia is a disorder in which a person doesn't experience pleasure from usually pleasurable things, like music or friendship or the sense of taste. Learn what researchers know (and don't know) about anhedonia in this episode of BrainStuff.

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During the two World Wars, knitting became an important way to encode and send messages in secret. Learn about the history of wartime knitting in this episode of BrainStuff.

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When cyclists collide with a carelessly opened car door, the results can be deadly. Learn how the simple Dutch Reach can save lives in this episode of BrainStuff.

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The refrigerator is perfect for keeping some foods fresh and tasty -- but it'll do other foods more harm than good. Learn what foods are best kept out of the fridge in this episode of BrainStuff.

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Glow sticks use a chemical reaction to create that soft, colorful glow. Learn how it works -- and how to make your glow sticks last longer -- in this classic episode of BrainStuff.

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Astronomers detected hints of Einstein's theory of general relativity in the Milky Way's supermassive black hole. Learn more in this classic episode of BrainStuff.

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