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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If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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The human sigh acts as a physiological reset button.
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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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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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Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
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It takes twice as long to lose new muscle if you stop working out than it did to gain it.
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