On average a woman has 4 sexual partners in her lifetime.
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The world's shortest man measures only 21.5 inches.
73
The single biggest predictor of love is proximity.
30
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
In a year, the average person walks four miles to make his or her bed.
56
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
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18