The Atlantic Ocean is saltier than the Pacific Ocean.
54
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
There are approximately three chickens for every human on Earth.
13
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The water of the Antarctica is so cold that nothing can rot there.
334
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56