The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The water of the Antarctica is so cold that nothing can rot there.
334
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
There are more than 50,000 earthquakes throughout the world every year!
47
More than 25% of the world's forests are in Siberia.
51
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
