0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A cubic yard of air weighs about 2 pounds at sea level.
31
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nearly 50% of the world's scientists are assigned to military projects.
71
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The earth is approx. 6,588,000,000,000,000,000 tons.
175