The Amazon rainforest produces more than 20% the world's oxygen supply.
182
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
There are approximately three chickens for every human on Earth.
13
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Mexico City is built on top of an underground resevoir!
47