Sound travels about 4 times faster in water than in air.
408
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75
