The agency says carbon pollution limits offer ‘virtually no benefit,’ while critics predict more than 80,000 additional ...

A new understanding of transfer RNA biology means researchers can assign up to 34 codons to amino acids of their choosing ...

Atom-swapped analogs of drugs and natural products aren’t new, but chemists usually must backtrack many steps in a synthesis ...

Decide what you want to learn and how much time and effort you want to invest. Maybe start with a short evening class, to see ...

After a fatal accident involving hydrofluoric acid, the city of Sapporo, Japan, has cited Hokkaido University with violations of the nation’s poisonous substances control act.

Keeping you up to date with the chemistry news that matters most. Published by the American Chemical Society.

Our contributor reflects on 3 generations connected to chemistry and the American Chemical Society—and finds reason to be ...

Tweaking electronic properties of starting materials can help bypass an obstacle to elusive bicyclic drug scaffold ...

The methods predict the lung irritant risk of surfactants and oral toxicity of some pesticides but shouldn’t completely ...

The antiaging molecule, when broken down, can paradoxically drive inflammation. Drugmakers are trying to capture only its benefits ...

Visit the C&EN website to play our latest quiz: cenm.ag/september-4-quiz. Concerns about which hazardous compound closed a ...

Chemical weapons experts have identified the nerve agent used in the attempted murder of a former Russian double agent living in the U.K. It is part of a family of compounds known as Novichok agents ...