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
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Women rate men more attractive if other women are looking and smiling at him.
17
Eskimos don't gamble.
78
Intelligent people have more zinc and copper in their hair.
233
More redheads are born in Scotland than in any other part of the world.
85
