Table sugar, or sucrose, C 12 H 22 O 11 , is a disaccharide of glucose and fructose. When a pure substance melts, it melts at a consistent, ...

Rhodium, symbol Rh, is the rarest of all non-radioactive metals on Earth, and therefore an expensive metal. On the 22nd July 2011, 1 gram o...

Sepiolite has been known since Roman times when it was used to filter and purify wine. No other mineral is known to absorb more water or oth...

Molecules of hydrogen peroxide, H 2 O 2 , have been found for the first time in interstellar space by astronomers using the European Southe...

Harvard Medical School scientists have discovered a single compound, found in high concentrations in the urine of carnivores, that lets rod...

NO and H 2 S are two important gases that regulate heart function in humans. H 2 S is a colourless, poisonous, flammable gas with the charac...

University of Minnesota scientists have discovered a new alloy that converts heat directly into electricity. In theory, an alloy like this c...