In zero gravity, a candle's flame is round and blue.
16
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Diamonds can be shattered with a hammer.
-104
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 single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists aren't sure what color dinosaurs were.
312
Cold water weighs more than hot water.
93