The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
German chemists made a replica of a trophy the size of one molecule.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Pumice is the only rock that floats on water.
14