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 share your birthday with at least 9 other million people in the world.
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Yawns are more contagious among people with closer relationships.
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The average bra size today is 36C. Ten years ago it was 34B.
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If you're over 100 years old, there's an 80% chance you're a woman.
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Eskimos don't gamble.
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Americans did not commonly use forks until after the Civil War.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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