Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
The average housewife walks 10 miles a day around the house doing her chores.
100
Men laugh longer, louder, and more often than women.
61
Roughly a quarter of the world's people live in China.
50
Yawns are more contagious among people with closer relationships.
163
Thrity-five percent of the people who use personal ads for dating are already married.
102
Identical twins do not have identical fingerprints.
79