Babies crawl an average of 200m a day.
212
Half of all Americans over the age of 55 have no teeth.
39
All babies are color blind when they are born.
114
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Two in five people in the world marry their first love.
270
On average women can hear better than men.
170
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82