Most people smile when they are frustrated, according to a study.
15
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Roughly a quarter of the world's people live in China.
50
Half of all Americans over the age of 55 have no teeth.
39
In Haiti, only 1 out of every 200 people own a car.
23
The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
192
As many as one third Americans flush the toilet while they are still on it.
157