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
Nearly 50% of the world's scientists are assigned to military projects.
71
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A cubic yard of air weighs about 2 pounds at sea level.
31
Pumice is the only rock that floats on water.
14
Scientists are now able to grow 'beating' heart tissue in a lab!
162