There are approximately three chickens for every human on Earth.
13
More than 25% of the world's forests are in Siberia.
51
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
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
It's still possible to see the division between East and West Germany due to different light bulbs.
5