More than 25% of the world's forests are in Siberia.
51
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Europe is the only continent without a desert.
62
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
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
One cubic mile of seawater contains about 50 pounds of gold.
79