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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Hot water can freeze faster than cold water.
181
A cubic yard of air weighs about 2 pounds at sea level.
31
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Nearly 50% of the world's scientists are assigned to military projects.
71