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

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

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

A man with a beard and wearing glasses looks through a microscope. Long-term research may be more difficult to plan under the new rule, as grants are subject to termination for any reason. Credit: ...

A corn field in Waseca, Minnesota. University of Minnesota Twin Cities agricultural researcher Daniel Kaiser found that adding a nitrogen-producing microbe to corn increased yield at this site in ...