Intelligent people have more zinc and copper in their hair.
233
You can only remember 4 things at a time.
31
On average a woman has 4 sexual partners in her lifetime.
-143
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The world's shortest man measures only 21.5 inches.
73
2% of Europeans lack the genes for smelly armpits.
6