People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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Males sweat 40% more than females.
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In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
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The average person falls asleep in seven minutes.
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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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Approximately 70,000 people in the U.S. are both blind and deaf!
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Intelligent people have more zinc and copper in their hair.
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