The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
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
2% of Europeans lack the genes for smelly armpits.
6
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212