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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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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Women have a slightly higher average IQ than men.
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Approximately 70,000 people in the U.S. are both blind and deaf!
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Half of all Americans over the age of 55 have no teeth.
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All babies are color blind when they are born.
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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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According to Harris Interactive, 70% of men and 57% of women shower daily.
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