Sound travels fifteen times faster through steel than through air.
134
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Scientists aren't sure what color dinosaurs were.
312
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65