One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
In zero gravity, a candle's flame is round and blue.
16
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 weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Nearly 50% of the world's scientists are assigned to military projects.
71