More than 25% of the world's forests are in Siberia.
51
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
Europe is the only continent without a desert.
62
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56