The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

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

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

In the 14th century the Black Death killed 75,000,000 people. It was carried by fleas on the black rat.

Christian Barnard performed the first heart transplant in 1967 - the patient lived for 18 days.

Without its lining of mucus your stomach would digest itself.

The fastest speed a falling raindrop can hit you is 18mph.

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