Half of all Americans over the age of 55 have no teeth.
39
Every human spent about half an hour as a single cell.
144
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
On average women can hear better than men.
170
Children grow faster in the springtime than any other season during the year.
108
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
