The US EPA’s proposed regulation could help to kill off fossil-fuel plants. Good on it p.433

Expanding clean energy isn’t enough to combat the climate crisis — the agency’s move to turn the screws on fossil fuels is welcome, and long overdue.

doi: 10.1038/d41586-023-01825-0

Vaccine-derived polio is undermining the fight to eradicate the virus p.434

Wild polio has almost been eradicated, but vaccine-derived strains retain the potential to paralyse. Better vaccines have arrived — but they are only part of the answer.

doi: 10.1038/d41586-023-01953-7

Why are the Canadian wildfires so bad this year? p.439

Hot, dry weather and human carelessness have led to a huge burnt area — and to a choking haze that is affecting millions of people.

doi: 10.1038/d41586-023-01902-4

Ukraine dam collapse: what scientists are watching p.440

doi: 10.1038/d41586-023-01928-8

Morality is declining, right? Scientists say that idea is an illusion p.441

Surveys show people around the world have believed for decades that morals are decaying — but other survey data contradict that perception.

doi: 10.1038/d41586-023-01848-7

China’s rolling COVID waves could hit every six months — infecting millions p.442

The latest surge is unlikely to crash the country’s health-care system, but scientists fear hundreds of millions of infections.

doi: 10.1038/d41586-023-01872-7

DeepMind AI creates algorithms that sort data faster than those built by people p.443

The technology developed by DeepMind that plays Go and chess can also help to write code.

doi: 10.1038/d41586-023-01883-4

Colombia’s ‘cocaine hippo’ population is even bigger than scientists thought p.444

The most comprehensive census yet reveals that there could be twice as many of the invasive animals than previous estimates indicated.

doi: 10.1038/d41586-023-01818-z

‘Science was heard’: woman who was convicted of killing her children pardoned after inquiry p.445

Kathleen Folbigg, who was jailed in Australia in 2003 over the sudden deaths of her four young children, has been pardoned and released in the wake of new scientific evidence.

doi: 10.1038/d41586-023-01871-8

Tanzania’s researchers offered US$22,000 to publish in international journals p.446

The move is designed to encourage research and help boost institutions’ rankings. But some researchers say it will reward those already established in their careers.

doi: 10.1038/d41586-023-01729-z

Lab mice go wild: making experiments more natural in order to decode the brain p.448

doi: 10.1038/d41586-023-01926-w

‘It’s a vote for hope’: first gene therapy for muscular dystrophy nears approval, but will it work? p.451

doi: 10.1038/d41586-023-01799-z

Phosphate discovery hints at geochemistry and origin of Enceladus p.459

Evidence of phosphates in the subsurface ocean of Enceladus, an icy moon of Saturn, confirms that the water is alkaline. The finding provides clues about the geochemistry and origin of this moon and its ability to support life.

doi: 10.1038/d41586-023-01886-1

Ancient DNA reveals how farming spread into northwest Africa p.460

Genomic data from bones and teeth found at archaeological sites across Morocco paint a picture of how Neolithic farmers and pastoralists spread into northwest Africa that is more complex than previously thought.

doi: 10.1038/d41586-023-01768-6

Violence towards women in environmental protests p.462

An analysis unpicks the various forms of violence that women face when they stand up to polluters and natural-resource extractors.

doi: 10.1038/d41586-023-01885-2

Quantum computer scales up by mitigating errors p.462

A post-processing technique for handling errors has enabled a quantum computer comprising 127 quantum bits to calculate the physical properties of a complex model system — a task that cannot be performed by a classical computer.

doi: 10.1038/d41586-023-01884-3

Patterns of tumour transcriptional variability p.464

The compilation and analysis of a compendium of single-cell RNA-sequencing studies across various cancers reveals recurring gene-expression programs that underpin tumour heterogeneity.

doi: 10.1038/d41586-023-01744-0

Online tools help large language models to solve problems through reasoning p.465

The large language models popularized by chatbots are being taught to alternate reasoning with calls to external tools, such as Wikipedia, to boost their accuracy. The strategy could improve fact-finding outcomes, as well as online shopping.

doi: 10.1038/d41586-023-01411-4

The neuroscience of cancer p.467

doi: 10.1038/s41586-023-05968-y

The nature of an ultra-faint galaxy in the cosmic dark ages seen with JWST p.480

doi: 10.1038/s41586-023-05994-w

A highly magnetized environment in a pulsar binary system p.484

doi: 10.1038/s41586-023-05983-z

Detection of phosphates originating from Enceladus’s ocean p.489

doi: 10.1038/s41586-023-05987-9

Observation of hydrodynamization and local prethermalization in 1D Bose gases p.494

doi: 10.1038/s41586-023-05979-9

Evidence for the utility of quantum computing before fault tolerance p.500

doi: 10.1038/s41586-023-06096-3

Non-orientable order and non-commutative response in frustrated metamaterials p.506

doi: 10.1038/s41586-023-06022-7

General access to cubanes as benzene bioisosteres p.513

doi: 10.1038/s41586-023-06021-8

Transannular C–H functionalization of cycloalkane carboxylic acids p.519

doi: 10.1038/s41586-023-06000-z

Krill body size drives particulate organic carbon export in West Antarctica p.526

doi: 10.1038/s41586-023-06041-4

Hadaean to Palaeoarchaean stagnant-lid tectonics revealed by zircon magnetism p.531

doi: 10.1038/s41586-023-06024-5

Unveiling the transition from niche to dispersal assembly in ecology p.537

doi: 10.1038/s41586-023-06161-x

A median fin derived from the lateral plate mesoderm and the origin of paired fins p.543

doi: 10.1038/s41586-023-06100-w

Northwest African Neolithic initiated by migrants from Iberia and Levant p.550

doi: 10.1038/s41586-023-06166-6

Cycles of satellite and transposon evolution in Arabidopsis centromeres p.557

doi: 10.1038/s41586-023-06062-z

Geometric constraints on human brain function p.566

doi: 10.1038/s41586-023-06098-1

The effects of cash transfers on adult and child mortality in low- and middle-income countries p.575

doi: 10.1038/s41586-023-06116-2

Outer membrane utilisomes mediate glycan uptake in gut Bacteroidetes p.583

doi: 10.1038/s41586-023-06146-w

A pan-influenza antibody inhibiting neuraminidase via receptor mimicry p.590

doi: 10.1038/s41586-023-06136-y

Hallmarks of transcriptional intratumour heterogeneity across a thousand tumours p.598

doi: 10.1038/s41586-023-06130-4

Tumour immune rejection triggered by activation of α2-adrenergic receptors p.607

doi: 10.1038/s41586-023-06110-8

Transfer learning enables predictions in network biology p.616

doi: 10.1038/s41586-023-06139-9

Axonemal structures reveal mechanoregulatory and disease mechanisms p.625

doi: 10.1038/s41586-023-06140-2