The higher the income, the more likely an American man will cheat on his wife.
94
On average a woman has 4 sexual partners in her lifetime.
-143
Every human spent about half an hour as a single cell.
144
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
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
Children's sense of smell is better than adults'.
860
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Yawns are more contagious among people with closer relationships.
163