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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The average single man is one inch shorter than the average married man.
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Intelligent people have more zinc and copper in their hair.
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In one day an average person will take about 18,000 steps.
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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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More boys than girls are born during the day; more girls are born at night.
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Every workday, 6.7 million people commute to Manhattan!
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