Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The average home creates more pollution than does the average car.
33
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cubic yard of air weighs about 2 pounds at sea level.
31
Cold water weighs more than hot water.
93
In zero gravity, a candle's flame is round and blue.
16