The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Iron weighs more after it rusts.
16
In zero gravity, a candle's flame is round and blue.
16
Most dust particles in your house come from dead skin.
48
For every gallon of sea water, you get more than a quarter pound of salt.
45
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67