Thrity-five percent of the people who use personal ads for dating are already married.
102
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Roughly a quarter of the world's people live in China.
50
Women have a slightly higher average IQ than men.
164
If you're over 100 years old, there's an 80% chance you're a woman.
143
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15