You can only remember 4 things at a time.
31
The higher the income, the more likely an American man will cheat on his wife.
94
Intelligent men tend to be more sexually faithful.
31
Only 2% of the Earth's population are natural redheads.
13
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Children's sense of smell is better than adults'.
860
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28