Humans blink over 10,000,000 times a year!
97
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
If you're over 100 years old, there's an 80% chance you're a woman.
143
Babies cry but they don't produce tears until one to three months after birth.
238
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Muhammad is the most common name in the world.
96
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16