One in 500 humans has one blue eye and one brown eye.
145
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
The average American eats at McDonalds more than 1,800 times in their life.
52
Men laugh longer, louder, and more often than women.
61
City dwellers have longer, thicker, denser nose hairs than country folks do.
48