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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Half of all Americans over the age of 55 have no teeth.
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The world's tallest man reached 8 feet 11 inches at 21.
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Nearly 10% of American households dress their pets in Halloween costumes.
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Women who read romance novels have sex twice as often as those who don't.
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