Babies cry but they don't produce tears until one to three months after birth.
238
Muhammad is the most common name in the world.
96
Roughly a quarter of the world's people live in China.
50
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
One in 500 humans has one blue eye and one brown eye.
145
If you're over 100 years old, there's an 80% chance you're a woman.
143
2% of Europeans lack the genes for smelly armpits.
6