Somewhere in the flicker of a badly tuned TV set is the background radiation from the Big Bang.

The largest meteorite craters in the world are in Sudbury, Ontario, canada and in Vredefort, South Africa.

The grey whale migrates 12,500 miles from the Artic to Mexico and back every year.

The Ebola virus kills 4 out of every 5 humans it infects.

Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts - not all at once), but this is rare. They never lie down.

Every year lightning kills 1000 people.

The saturn V rocket which carried man to the Moon develops power equivalent to fifty 747 jumbo jets.

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