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

A quarter of the world's plants are threatened with extinction by the year 2010.

The short-nosed Bandicoot has a gestation period of only 12 days.

Light would take 0.13 seconds to travel around the Earth.

The molecular structure of DNA was first determined by Watson and Crick in 1953.

An individual blood cell takes about 60 seconds to make a complete circuit of the body.

Males produce one thousand sperm cells each second - 86 million each day.

A typical hurricane produces the nergy equivalent to 8,000 one megaton bombs.