Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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There are about 255 babies born worldwide every minute.
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A person will create enough saliva to fill two average size swimming pools during his lifetime.
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The human sigh acts as a physiological reset button.
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The average person will go on a date at least 100 times before they finally marry.
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A person can live without food for about a month, but only about a week without water.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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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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