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
There are two credit cards for every person in the United States.
2
The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65
Muhammad is the most common name in the world.
96
Men laugh longer, louder, and more often than women.
61
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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