Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
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The world's tallest man reached 8 feet 11 inches at 21.
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Only 2% of the Earth's population are natural redheads.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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95% of people feel uncomfortable when the TV volume is an odd number.
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
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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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