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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Every three seconds, a new baby is born.
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Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
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Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
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There are two credit cards for every person in the United States.
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People in parts of Western China put salt in their tea instead of sugar.
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More than half the population of Kenya is under the age of 15.
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