Hot water can freeze faster than cold water.
181
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
No matter how cold it gets, gasoline will not freeze.
107
Most dust particles in your house come from dead skin.
48