At over 2000 kilometres long The Great Barrier Reef is the largest living structure on Earth.

Astronauts cannot belch - there is no gravity to separate liquid from gas in their stomachs.

The call of the humpback whale is louder than Concorde and can be heard from 500 miles away.

The risk of being struck by a falling meteorite for a human is one occurence every 9,300 years.

Every second around 100 lightning bolts strike the Earth.

There are more living organisms on the skin of each human than there are humans on the surface of the earth.

In October 1999 an Iceberg the size of London broke free from the Antarctic ice shelf .

Inbreeding causes 3 out of every 10 Dalmation dogs to suffer from hearing disability.