At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
For every gallon of sea water, you get more than a quarter pound of salt.
45
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Pumice is the only rock that floats on water.
14
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5