It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
On average, men's noses are 10% larger than women's.
12
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
In Haiti, only 1 out of every 200 people own a car.
23
Over 98 percent of Japanese people are cremated after they die.
54
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Eskimos don't gamble.
78