An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
One cubic mile of seawater contains about 50 pounds of gold.
79
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The average ice berg weighs 20,000,000 tons!
54
Even Antarctica has an area code. It's 672.
58
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61