Pure water (H2O) does not conduct electricity on its own.
46
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
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
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 weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31