10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
More than 25% of the world's forests are in Siberia.
51
There are approximately three chickens for every human on Earth.
13
The water of the Antarctica is so cold that nothing can rot there.
334
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119