It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Even Antarctica has an area code. It's 672.
58
There are more than 50,000 earthquakes throughout the world every year!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
There are approximately three chickens for every human on Earth.
13
Australia's Great Barrier Reef is 1,250 miles long!
45
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Sahara desert expands at about 1km per month.
90