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
The average person falls asleep in seven minutes.
115
Only 2% of the Earth's population are natural redheads.
13
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
On average, a person will spend about five years eating during his or her lifetime.
90
The higher the income, the more likely an American man will cheat on his wife.
94
Englishmen drink more tea than any person of any other nation (over twenty times more than Americans)
123
