A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Pumice is the only rock that floats on water.
14
For every gallon of sea water, you get more than a quarter pound of salt.
45
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7