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
Sound travels fifteen times faster through steel than through air.
134
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Sound travels about 4 times faster in water than in air.
408
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Diamonds can be shattered with a hammer.
-104
Iron weighs more after it rusts.
16