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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91% of Americans eat turkey on Thanksgiving.
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In a lifetime, an average person walks the equivalent of 5 equators
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Men fall in love faster than women do.
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Thrity-five percent of the people who use personal ads for dating are already married.
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Babies cry but they don't produce tears until one to three months after birth.
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44% of kids watch television before they go to sleep.
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Senegalese women spend an average of 17.5 hours a week just collecting water.
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