Iron weighs more after it rusts.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Your brain is 80% water.
525
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One cubic foot of gold weighs more than 1,200 pounds!
78