There are approximately three chickens for every human on Earth.
13
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
In 1850, only 8% of the people in California were women.
0
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55