The Sahara desert expands at about 1km per month.
90
The state with the longest coastline in the Continental U.S. is Michigan.
31
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The average ice berg weighs 20,000,000 tons!
54
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
There are approximately three chickens for every human on Earth.
13
Israel's Dead Sea is 1,312 feet below sea level.
48
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8