It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Infants spend more time dreaming than adults do.
102
The average housewife walks 10 miles a day around the house doing her chores.
100
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
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
Women rate men more attractive if other women are looking and smiling at him.
17