Most people smile when they are frustrated, according to a study.
15
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
44% of kids watch television before they go to sleep.
106
As many as one third Americans flush the toilet while they are still on it.
157
Americans did not commonly use forks until after the Civil War.
82
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170