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
Women mature much faster than men.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Intelligent men tend to be more sexually faithful.
31
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Women rate men more attractive if other women are looking and smiling at him.
17
More redheads are born in Scotland than in any other part of the world.
85