Every year, Alaska has about 5,000 earthquakes.
31
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The state with the longest coastline in the Continental U.S. is Michigan.
31
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
It's still possible to see the division between East and West Germany due to different light bulbs.
5