Highlights

Woman catching money with solar panel

Kesterite solar cells break efficiency ceiling after decade-long stall

Once-promising kesterite solar technology has finally broken through its efficiency ceiling, jumping from a decade-long stall at 12.6% to nearly 17% in just three years – putting commercial viability within reach.

Two witches brewing a spell in a cauldron

From flying ointments to healing herbs: the forgotten chemistry behind historical witchcraft practices

The unusual concoctions of village witches have historically been dismissed as nonsense hocus pocus – but is this the whole story? Victoria Atkinson investigates the chemistry behind the myth and whether there was more to witchcraft than ritual and superstition

Pads and cotton buds with makeup that has been removed

Consumers question safety of parabens and PFAS in personal care products amid health concerns

Growing research into cosmetic ingredients has been raising safety concerns among consumers. Bárbara Pinho explores the future of safer chemistry amid the ‘clean beauty’ trend 

Fossilised skull of  Australopithecus sediba, showing the teeth clearly

How stable isotope analysis reveals what ancient humans and Neanderthals ate

Analytical chemistry can tell us what our ancestors ate thousands – or even millions – of years ago. Rachel Brazil gets her teeth into the evidence

Falling faceless man

The chemistry of fear

Recent advances in measurement techniques have shed light on the different roles of various biomolecules during frightening and stressful situations. Anna Demming looks at how it may lead to new therapeutic interventions for conditions like PTSD

Topics

Liam Ball

Reviving organobismuth chemistry

2025-09-16T09:27:00+01:00By

Despite its low cost and low toxicity, bismuth has found limited applications in organic synthesis. Liam Ball is working to change that

Ancient ‘Egyptian Blue’ pigment recipes recreated

Work could aid conservation of Egyptian artefacts

Snuff tube residues push back date of oldest hallucinogen use in Peruvian Andes

Chemical analysis reveals traces of a number of psychoactive compounds thought to have been used to secure leaders’ status

Iron from single meteorite found in ancient Polish artefacts

Discoveries indicate meteoritic iron was falling out of fashion in the late iron age

Bismuth crystals close up, geometric swirls of green yellow and purple

Exploring the frontiers of the periodic table: bismuth catalysis and its applications

Sponsored by

Join us on 16 October to learn about state-of-the-art synthesis coming from one of the world’s leading catalysis research groups

US charity launches $100 million green chemistry initiative

Gordon and Betty Moore Foundation to fund seven year project headed by sustainable chemistry pioneer Paul Anastas

Pitfalls in cytotoxicity studies could be tripping up chemists

Team proposes how to broaden and standardise biological testing in sustainable chemical research

‘Chemistry changed the world before, we just need to do it again’: Stockholm declaration reimagines future

Paul Anastas talks to Chemistry World about organising call for chemistry to transform itself and make the world more sustainable

Chemists urged to build a greener future by Stockholm declaration document

‘Father of green chemistry’ Paul Anastas among those spearheading call to action

Filter paper simplifies squaramide synthesis

Capillary-driven flow distributes reagents evenly

Iupac wants its new responsible chemistry principles in undergrad textbooks

Leaders of responsible chemistry initiative argue that the ethical aspects of chemistry belong in university chemistry classrooms alongside green chemistry principles

New UK facility to turbo-charge development of novel RNA therapies

Government to invest £30 million in RNA biofoundry to accelerate therapies for cancer and genetic disorders

Science content on Bluesky attracts more engagement and originality than on X

New social media site is proving better for sharing research findings