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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One human hair can support 3 ounces.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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Your thumb is about the same size as your nose.
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The human brain doesn't stop developing until about 25 years old.
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There are about 255 babies born worldwide every minute.
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