Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Most people smile when they are frustrated, according to a study.
15
Americans collectively eat one hundred pounds of chocolate every second.
60
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Girls have more tastebuds than boys.
124
People in parts of Western China put salt in their tea instead of sugar.
16
Roughly a quarter of the world's people live in China.
50