Every human spent about half an hour as a single cell.
144
Yawns are more contagious among people with closer relationships.
163
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Dolly Dimples, a 555 lbs. woman, lost 443 lbs in one year by eating nothing but baby food.
16
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Roughly a quarter of the world's people live in China.
50
15 percent of Americans secretly bite their toes.
57