There are approximately three chickens for every human on Earth.
13
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Forest fires move faster uphill than downhill.
52
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
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