The average temperature at 40,000 feet above sea level is -60 F.
56
4.5 pounds of sunlight strike the Earth each day.
27
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
A cubic yard of air weighs about 2 pounds at sea level.
31
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
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Diamonds can be shattered with a hammer.
-104
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57