Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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There are more than 50,000 earthquakes throughout the world every year!
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Check your map! Virginia extends farther west than West Virginia.
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Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Australia's Great Barrier Reef is 1,250 miles long!
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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