In 1850, only 8% of the people in California were women.
0
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The water of the Antarctica is so cold that nothing can rot there.
334
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The state with the longest coastline in the Continental U.S. is Michigan.
31
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119