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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In 1996, research found that having excessive body hair is linked to higher intelligence.
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If you hold farts in during the day, they'll just come out when you sleep.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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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.
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Held in farts enter your bloodstream and are bad for your body.
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