There are 60,000 miles of blood vessels in the human body.

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

On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.

Light would take 0.13 seconds to travel around the Earth.

The temperature in Antarctica plummets as low as -35 degrees celsius.

The dinosaurs became extinct before the Rockies or the Alps were formed.

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

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