The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Sound at the right vibration can bore holes through a solid object.
134
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
One ragweed plant can release as many as one billion grains of pollen!
51
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Iron weighs more after it rusts.
16
The bark of an older redwood tree is fireproof.
65