Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
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
The Caspian Sea is also classed as the world's largest lake.
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Even Antarctica has an area code. It's 672.
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One cubic mile of seawater contains about 50 pounds of gold.
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The water of the Antarctica is so cold that nothing can rot there.
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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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