The average ice berg weighs 20,000,000 tons!
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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Israel's Dead Sea is 1,312 feet below sea level.
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Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
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The Caspian Sea is also classed as the world's largest lake.
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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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