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
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The sun is 330,330 times larger than the earth.
75
Out of all the senses, smell is most closely linked to memory.
146
Pumice is the only rock that floats on water.
14
In zero gravity, a candle's flame is round and blue.
16
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