Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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About 2/3 of American men prefer boxers to briefs.
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Nearly 10% of American households dress their pets in Halloween costumes.
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According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
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Most people turn their music down in the car when finding a street sign to "see better".
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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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On average, a person will spend about five years eating during his or her lifetime.
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