The world's youngest parents were 8 and 9 and lived in China in 1910.
130
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
A hard working adult sweats up to 4 gallons per day.
39
Every human spent about half an hour as a single cell.
144
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Males sweat 40% more than females.
104