People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
2% of Europeans lack the genes for smelly armpits.
6
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Only about 2% of the world population has green eyes.
36
Most of the world's people must walk at least 3 hours to fetch water!
38
Males sweat 40% more than females.
104