Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
The average person will go on a date at least 100 times before they finally marry.
33
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Americans did not commonly use forks until after the Civil War.
82
