The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
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Only 10-20% of the population can wiggle their ears and raise one eyebrow.
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More than half the population of Kenya is under the age of 15.
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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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Women mature much faster than men.
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About 2/3 of American men prefer boxers to briefs.
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76% of Americans celebrate New Year's Eve in groups of less than 20.
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