Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Balsa wood is classified as a hard wood!
41
A cesium atom in an atomic clock beats over nine billion times a second.
43
The average temperature at 40,000 feet above sea level is -60 F.
56
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44