The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
More than 25% of the world's forests are in Siberia.
51
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Forest fires move faster uphill than downhill.
52
There are approximately three chickens for every human on Earth.
13
Mexico City is built on top of an underground resevoir!
47