Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists aren't sure what color dinosaurs were.
312
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
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
Nylon is made from coal and petroleum.
42