Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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Israel's Dead Sea is 1,312 feet below sea level.
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The 'King Ranch' in Texas is bigger than the state of Rhode Island.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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The Caspian Sea is also classed as the world's largest lake.
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Check your map! Virginia extends farther west than West Virginia.
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Forest fires move faster uphill than downhill.
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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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