Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
One human hair can support 3 ounces.
191
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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