Americans did not commonly use forks until after the Civil War.
82
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
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
People with blue eyes are better able to see in the dark.
153
If you're over 100 years old, there's an 80% chance you're a woman.
143
Roughly a quarter of the world's people live in China.
50
Yawns are more contagious among people with closer relationships.
163