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 higher the income, the more likely an American man will cheat on his wife.
94
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
2% of Europeans lack the genes for smelly armpits.
6
There are two credit cards for every person in the United States.
2
Infants spend more time dreaming than adults do.
102
Males sweat 40% more than females.
104