It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
There are approximately three chickens for every human on Earth.
13
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49