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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You can only remember 4 things at a time.
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One in 500 humans has one blue eye and one brown eye.
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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40% of people who are rejected in romantic love slip into clinical depression.
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The average person walks the equivalent of twice around the world in a lifetime
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On average a woman has 4 sexual partners in her lifetime.
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You will experience the billionth second of your life when you are 31 years old.
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