If every star in the Milky Way was a grain of salt they would fill an Olympic sized swimming pool.

Light would take 0.13 seconds to travel around the Earth.

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

The longest glacier in Antarctica, the Almbert glacier, is 250 miles long and 40 miles wide.

The Earth is 4.56 billion years old…the same age as the Moon and the Sun.

A healthy person has 6,000 million, million, million haemoglobin molecules.

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

One in every 2000 babies is born with a tooth.