Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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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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Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
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Mushrooms are more closely related to humans than they are to plants.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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The average sperm cell swims at 8 inches per hour.
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