In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Mexico City is built on top of an underground resevoir!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
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
There are approximately three chickens for every human on Earth.
13
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
