Every year, Alaska has about 5,000 earthquakes.
31
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
Check your map! Virginia extends farther west than West Virginia.
67
The Atlantic Ocean is saltier than the Pacific Ocean.
54
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61