Public, government and corporate support for a world treaty to curb plastic waste is growing. Treaties addressing mercury pollution, long-range air pollution and ozone depletion offer some lessons.

Pine tree needles are a great way to monitor the proliferation of PFAS over time. "This is... applicable to sites all over the world."

A new analysis offers guidance on the size of nanoparticles that could be most effective at stopping internal bleeding.

The new substance is the result of a feat thought to be impossible: polymerizing a material in two dimensions.

A pill that releases RNA in the stomach could offer a new way to administer vaccines, or to deliver therapies for gastrointestinal disease.

Farmers are stuck in a chemical war against weeds, which have developed resistance to many widely used herbicides. Seed companies’ answer – using more varied herbicides – is causing new problems.

The production and release of synthetic chemicals worldwide is destabilising the Earth system.

Tiny Tides is an automated fast-flow instrument that can synthesize peptide-nucleic acids in a single shot.

The targeted approach eliminated tumors in mice, with minimal side effects.

Chemical engineers created a coating for microbes that could make it easier to deploy the organisms to treat gastrointestinal disease.