Highlights

Circular DNA

The circles of DNA that cause cancer

Ring-shaped extrachromosomal DNA is implicated in many cancers. Rachel Brazil talks to the scientists trying to uncover their secrets

Tractor spraying glyphosate at sunset

The glyphosate debate

The EU has recently approved the use of glyphosate for another decade. Bárbara Pinho examines the controversial pesticide’s presence in British farming and considers the possibility of a ban in the UK

COFs

COFs head for the big time

Two decades on from the first reported covalent organic frameworks, Nina Notman investigates what their future holds

Melanie Sanford with a green chalkboard and chemistry symbols

Melanie Sanford’s route from college gymnast to groundbreaking researcher

One-time gymnast Melanie Sanford has made a name for herself in catalysis and organometallic chemistry. Rebecca Trager charts her path to success, from her mentors to her mentoring

Illustration of a scientist lighting the interior of a battery with a torch/flashlight

Studying materials in action

Experiments on battery electrodes and fuel cell catalysts while they’re being used – operando spectroscopy – can revolutionise our understanding of these crucial materials. Clare Sansom reports

Topics

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Seed oil-based polymer should survive a day in the rain but degrade within years in the sea

Researchers create polyesteramides from brassylic acid and explore their potential as a replacement for polyethylene

Paul Anastas: ‘I’m proudest of being part of a global green chemistry community’

The father of green chemistry on his love of the environment, striving for unattainable perfection and breathing life into an old town library

Science needs to get its house in order when it comes to energy use and waste

Labs have an outsized environmental footprint but solutions are within reach 

Biomass, plastic waste and carbon dioxide feedstocks key to cutting chemical industry’s emissions

Royal Society report warns that without intervention defossilisation of the chemicals sector will take many decades

Chemists funded to cut the environmental footprint of their labs

The Royal Society of Chemistry to support 33 projects in 11 countries aiming to make chemistry research greener

Analysis of three French chemistry labs shows how they could halve their carbon footprint by 2030

Open-source tool helps researchers evaluate a series of carbon mitigation strategies

A sign for University of Bradford with the strapline Making Knowledge Work

Chemistry courses to be shut down at the University of Bradford

Closures are part of a trend seen across UK universities

Hand opening door with US passport on top of suitcase

Europe offers refuge to America’s researchers

Schemes seek to attract top scientific talent from the US as Trump cuts research funding, attacks universities

NIH sparks concern by singling out mRNA vaccine research for added scrutiny

The Department of Health and Human Services denies mRNA research faces defunding but scientists are still worried 

Bill to ban all Chinese nationals from receiving US student visas causes alarm

Legislation’s sponsor claims it will prevent espionage, but there are warnings it will harm US competitiveness

Fears China, Russia are trying to poach fired US government scientists

America’s rivals are trying to capitalise on what they see as a ‘vulnerable’ moment of mass federal layoffs at science agencies