The Oxidation Number (ON) of an atom within a molecule or solid is a well defined quantity in chemistry (assuming a consistent set of rules are followed), with a long and distinguished history of ...

In the journal Science Advances, scientists in Sweden and the U.S. report the first-ever direct observation of a type of short-lived molecule that has shaped decades of thinking in atmospheric ...

A detailed understanding of the sources, transformations and fates of organic species in the environment is crucial because of the central roles that they play in human health, biogeochemical cycles ...