More than 25% of the world's forests are in Siberia.
51
Check your map! Virginia extends farther west than West Virginia.
67
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Forest fires move faster uphill than downhill.
52
It's still possible to see the division between East and West Germany due to different light bulbs.
5
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
There are more than 50,000 earthquakes throughout the world every year!
47