One cubic mile of seawater contains about 50 pounds of gold.
79
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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
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
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41