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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Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
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The world's youngest parents were 8 and 9 and lived in China in 1910.
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Forty percent of American adults cannot fill out a bank deposit slip correctly.
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Just one in three consumers pays off his or her credit card bill every month.
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