One in 500 humans has one blue eye and one brown eye.
145
Karl Pillemer, a professor, performed a study on thousands of elderly people and what advice they had about life. On happiness, there was a consensus: “the elders viewed happiness as a choice, not the result of how life treats you.”
13
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Women who read romance novels have sex twice as often as those who don't.
101