Intelligent men tend to be more sexually faithful.
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In 75% of American households, women manage the money and pay the bills.
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Intelligent people have more zinc and copper in their hair.
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Babies crawl an average of 200m a day.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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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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