Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Sahara desert expands at about 1km per month.
90
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
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
There are approximately three chickens for every human on Earth.
13
Every year, Alaska has about 5,000 earthquakes.
31
Europe is the only continent without a desert.
62