Iron weighs more after it rusts.
16
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
A cesium atom in an atomic clock beats over nine billion times a second.
43
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The average temperature at 40,000 feet above sea level is -60 F.
56