Forest fires move faster uphill than downhill.
52
The Sahara desert expands at about 1km per month.
90
There are approximately three chickens for every human on Earth.
13
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Check your map! Virginia extends farther west than West Virginia.
67