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
Forty percent of Americans have never visited a dentist.
33
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Women rate men more attractive if other women are looking and smiling at him.
17
There are two credit cards for every person in the United States.
2
All babies are color blind when they are born.
114
Karl Pillemer, a professor, performed a study on thousands of elderly people and what advice they had about life. On happiness, there was a consensus: “the elders viewed happiness as a choice, not the result of how life treats you.”
13
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170