The Sahara desert expands at about 1km per month.
90
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every year, Alaska has about 5,000 earthquakes.
31
One cubic mile of seawater contains about 50 pounds of gold.
79
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The state of Florida is bigger than England!
74
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25