Most people smile when they are frustrated, according to a study.
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The single biggest predictor of love is proximity.
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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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A person swallows approximately 295 times while eating dinner.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
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Nearly 10% of American households dress their pets in Halloween costumes.
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