Girls have more tastebuds than boys.
124
Roughly a quarter of the world's people live in China.
50
The average person walks the equivalent of twice around the world in a lifetime
69
Women rate men more attractive if other women are looking and smiling at him.
17
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Only 2% of the Earth's population are natural redheads.
13
According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
9
Males sweat 40% more than females.
104