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
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
More than 25% of the world's forests are in Siberia.
51
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The water of the Antarctica is so cold that nothing can rot there.
334
The Amazon rainforest produces more than 20% the world's oxygen supply.
182