TED-Ed: Pruney fingers: A gripping story - Mark Changizi
By TED-EdFrom boclips.com
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Why do fingers become pruney when they get wet? Likely, for the same reasons that tires have treads. Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks, that operate similarly.
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Physical Sciences
Physics
All ages
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