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
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
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
In 1850, only 8% of the people in California were women.
0
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The Atlantic Ocean is saltier than the Pacific Ocean.
54
One cubic mile of seawater contains about 50 pounds of gold.
79