Only 2% of the Earth's population are natural redheads.
13
Women rate men more attractive if other women are looking and smiling at him.
17
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
Americans did not commonly use forks until after the Civil War.
82