Mexico City is built on top of an underground resevoir!
47
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
Check your map! Virginia extends farther west than West Virginia.
67
Europe is the only continent without a desert.
62
The Sahara desert expands at about 1km per month.
90
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
There are approximately three chickens for every human on Earth.
13
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55