It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
In 1850, only 8% of the people in California were women.
0
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109