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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Only humans shed emotional tears.
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Our brains have a negativity bias and will remember bad memories more than good ones.
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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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All 13 minerals necessary for human life can be found in alcohol beverages.
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Enamel is hardest substance in the human body.
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The human brain is more active during sleep than during the day.
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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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