Most of the world's people must walk at least 3 hours to fetch water!
38
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Yawns are more contagious among people with closer relationships.
163
Most people smile when they are frustrated, according to a study.
15
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7