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.
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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.
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Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
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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.
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One cubic mile of seawater contains about 50 pounds of gold.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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