One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most dust particles in your house are made from dead skin!
67
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Cold water weighs more than hot water.
93
No matter how cold it gets, gasoline will not freeze.
107
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155