Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Every human spent about half an hour as a single cell.
144
More than half the population of Kenya is under the age of 15.
71
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
The average single man is one inch shorter than the average married man.
88
Half of all Americans over the age of 55 have no teeth.
39
Thrity-five percent of the people who use personal ads for dating are already married.
102