Intelligent people have more zinc and copper in their hair.
233
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Women have a slightly higher average IQ than men.
164
Women who read romance novels have sex twice as often as those who don't.
101
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11