The average temperature at 40,000 feet above sea level is -60 F.
56
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Diamonds can be shattered with a hammer.
-104
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The force of a suction cup is calculated using F=AP.
15
Nearly 50% of the world's scientists are assigned to military projects.
71
