Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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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
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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