Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
16
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21