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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
68
The bark of an older redwood tree is fireproof.
65
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15