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

The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.

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

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

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

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

Astronauts cannot belch - there is no gravity to separate liquid from gas in their stomachs.

The largest ever hailstone weighed over 1kg and fell in Bangladesh in 1986.