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
Forest fires move faster uphill than downhill.
52
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
One cubic mile of seawater contains about 50 pounds of gold.
79
There are approximately three chickens for every human on Earth.
13