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Why Does This Frog Have So Many Legs?!
3:08
These frogs can have up to TEN back legs.
Why Do We Like Being Scared?
3:21
If a neuroscientist designed a haunted house, would you dare to enter?
Inside the Mind of Alzheimer’s
4:23
Journalist Greg O'Brien gives a first-hand account of what it's like have Alzheimer's.
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3:49
Family members describe what it's like to have a loved one with Alzheimer's.
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4:13
Tangles of a protein called tau inside neurons may be the culprit behind Alzheimer’s.
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3:17
How to make someone believe they’ve committed a crime that never happened.
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2:11
David Lynch puts a literal face on the oddest collection of little learning robots.
A Cathedral of Ice
2:45
A scientist dives beneath the surface of the frigid Antarctic ice sheet.
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1:48
How did Ötzi the Iceman, who lived 5300 years ago, sharpen his ax?
The Minerals Behind Modern Life
2:04
Minerals are essential in making everything from skyscrapers tall, to mobile phones small.
The Physics Behind Texting
3:37
When you send a text, how does your message make the journey to your friend’s phone?
Why Did Houston Flood?
3:19
Hurricane Harvey broke continental U.S. records. Here's how cities can be better prepared.
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