One cubic mile of seawater contains about 50 pounds of gold.
79
There are approximately three chickens for every human on Earth.
13
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
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
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The state with the longest coastline in the Continental U.S. is Michigan.
31