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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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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People in parts of Western China put salt in their tea instead of sugar.
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Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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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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Half of all Americans over the age of 55 have no teeth.
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About 2/3 of American men prefer boxers to briefs.
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The average American consumes 9 pounds of food additives every year.
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