Hawaiis Mount Waialeale is the wettest place in the world - it rains throughout the year and about 460 inches per annum.

Some sharks remain on the move for their entire lives. This forces water over their gills, delivering oxygen to the blood stream. If the shark stops moving then it will suffocate and die.

Bananas trees are not really trees. They are considered to be giant herb plants.

AMAZING FACTS