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 single speck of dust is half way in size between a subatomic particle and the Earth.
15
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Pumice is the only rock that floats on water.
14
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9