The average American eats at McDonalds more than 1,800 times in their life.
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Intelligent men tend to be more sexually faithful.
31
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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Babies crawl an average of 200m a day.
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Men laugh longer, louder, and more often than women.
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According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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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.
9