About 3000 years ago, most Egyptians died by the time they were 30!
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The world's tallest man reached 8 feet 11 inches at 21.
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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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Only about 2% of the world population has green eyes.
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During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
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A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
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There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
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