Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
No matter how cold it gets, gasoline will not freeze.
107
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One barrel of petroleum holds 42 gallons.
20
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75