The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65
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
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Women rate men more attractive if other women are looking and smiling at him.
17
Most people smile when they are frustrated, according to a study.
15
The average person falls asleep in seven minutes.
115