Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Research indicates that plants grow healthier when they are stroked.
173
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The sun is 330,330 times larger than the earth.
75
