One cubic mile of seawater contains about 50 pounds of gold.
79
It's still possible to see the division between East and West Germany due to different light bulbs.
5
There are more than 50,000 earthquakes throughout the world every year!
47
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Check your map! Virginia extends farther west than West Virginia.
67