Only about 2% of the world population has green eyes.
36
Babies cry but they don't produce tears until one to three months after birth.
238
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
40% of people who are rejected in romantic love slip into clinical depression.
72
On average a woman has 4 sexual partners in her lifetime.
-143
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234