Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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