Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The state with the longest coastline in the Continental U.S. is Michigan.
31
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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More than 25% of the world's forests are in Siberia.
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In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
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