The average person laughs 13 times a day!
108
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
Intelligent people have more zinc and copper in their hair.
233
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
-11
The higher the income, the more likely an American man will cheat on his wife.
94