The single biggest predictor of love is proximity.
30
Intelligent people have more zinc and copper in their hair.
233
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
Only 2% of the Earth's population are natural redheads.
13
According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
9
95% of people feel uncomfortable when the TV volume is an odd number.
392
Men laugh longer, louder, and more often than women.
61
Americans did not commonly use forks until after the Civil War.
82