If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
In 1850, only 8% of the people in California were women.
0
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
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Even Antarctica has an area code. It's 672.
58