Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Iron weighs more after it rusts.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One cubic foot of gold weighs more than 1,200 pounds!
78
Nearly 50% of the world's scientists are assigned to military projects.
71
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114