Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
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
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49