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
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.
16
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Most dust particles in your house come from dead skin.
48
Scientists in Germany have developed a candy that doesn't cause cavities.
11