Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Nearly 50% of the world's scientists are assigned to military projects.
71
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Iron weighs more after it rusts.
68