Americans did not commonly use forks until after the Civil War.
82
Just one in three consumers pays off his or her credit card bill every month.
27
Every human spent about half an hour as a single cell.
144
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
The world's tallest man reached 8 feet 11 inches at 21.
202