One cubic mile of seawater contains about 50 pounds of gold.
79
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Even Antarctica has an area code. It's 672.
58
The state with the longest coastline in the Continental U.S. is Michigan.
31