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
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
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
More than 25% of the world's forests are in Siberia.
51