From the 1950s to 1970s, discovery of enzymes began by identifying new chemical reactions within cell-free extracts, but ...

Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in ...

Sweat rarely smells on its own. Body odour develops when bacteria on the skin break down compounds in sweat and release volatile chemicals that evaporate into the air.

A blue-light-powered iron catalyst just replaced rare metals — and unlocked a milestone in precision drug synthesis.