It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
95% of people feel uncomfortable when the TV volume is an odd number.
392
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Eskimos don't gamble.
78
The world's youngest parents were 8 and 9 and lived in China in 1910.
130