10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Sahara desert expands at about 1km per month.
90
The average ice berg weighs 20,000,000 tons!
54
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Even Antarctica has an area code. It's 672.
58