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
German chemists made a replica of a trophy the size of one molecule.
68
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
68
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
