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
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
One cubic mile of seawater contains about 50 pounds of gold.
79
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
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
In 1850, only 8% of the people in California were women.
0
The Sahara desert expands at about 1km per month.
90
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