A hard working adult sweats up to 4 gallons per day.
39
Only 2% of the Earth's population are natural redheads.
13
According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
54
2% of Europeans lack the genes for smelly armpits.
6
If you're over 100 years old, there's an 80% chance you're a woman.
143
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Muhammad is the most common name in the world.
96