Males sweat 40% more than females.
104
You will experience the billionth second of your life when you are 31 years old.
21
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
Nearly 10% of American households dress their pets in Halloween costumes.
36
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22