The Sahara desert expands at about 1km per month.
90
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25