One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
German chemists made a replica of a trophy the size of one molecule.
68
Most dust particles in your house come from dead skin.
48