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Although river protection is core to social and environmental well-being, the extent to which river conservation policies are effective is difficult to assess. This study reveals that, under all relevant protection mechanisms in the contiguous USA, only 12% of rivers are adequately protected.

Using inbred medaka strains, the authors mapped 59 genetic loci linked to heart rate. Gene editing validated conserved genes affecting heart rate and morphology, highlighting the power of isogenic strains in uncovering mechanisms of cardiac traits and disease.

Photosystem II drives photosynthesis, but how desert algae adapt to excess of light remains unclear. Here, authors present a cryo-EM structure of PSII from Chlorella ohadii, revealing structural features and antenna arrangements that may contribute to its stability.

The Star of David topology is an iconic symbol that has been used in religious and cultural contexts for thousands of years. Now it is assembled in molecular form through a hexameric circular helicate generated by six tris(bipyridine) ligands entwined about six iron(II) cations. The structure of the two triply-entwined 114-membered rings is revealed by X-ray crystallography.

Genome-wide association meta-analysis identifies 58 independent risk loci for major anxiety disorders among individuals of European ancestry and implicates GABAergic signaling as a potential mechanism underlying genetic risk for these disorders.

WIN332 is an HIV-1 Env protein designed to elicit a new class of Asn332-glycan-independent antibodies (type II) to the V3-glycan site of Env. WIN332 immunization rapidly induces type-II V3-glycan antibodies with low inhibitory activity indicative of a neutralization activity in macaques.

Spatiotemporal insight into photoactivation of the prototypical B₁₂ photoreceptor CarH is revealed across nine orders of magnitude in time, identifying a transient adduct that distinguishes it from thermally activated B₁₂ enzymes.

The lowest-frequency gravitational wave background may be shaped by supermassive black hole binaries that scatter nearby stars or dark matter. In this case, the NANOGrav 15-year dataset favours dense galactic centres with 10⁶ solar masses per cubic parsec.

A molecular-level understanding of structural evolution upon electrochemical doping in organic mixed ionic-electronic conductors is required. A pronounced reduction in mass and thickness is observed in an n-type ladder polymer upon doping with protic cations owing to water expulsion.

Optogenetic manipulation of spindle dynamics reveals that microtubule shortening at kinetochores limits spindle elongation rather than moving chromosomes, revealing local chromosome–spindle interactions.

Given rising diabetes prevalence globally, access to diabetes treatments is gaining urgency. Here, the authors show patterns of glucose-lowering medication use for diabetes across 62 low- and middle-income countries.

Becker et. al developed a proteomic proximity labeling platform named POCA, which makes use of a photosensitizer for singlet oxygen production and protein capture in the presence of amine, enabling profiling of interactomes of proteins and lipids in living cells.

Thendral et al. describe a mitophagic programme that removes deleterious mtDNA during the oocyte-to-zygote transition in Caenorhabditis elegans, promoting mitochondrial health and offspring survival. Loss of this mitophagy leads to mutant mtDNA accumulation.

This study detects Chlamydia pneumoniae in human retina and brain, increasing with AD severity. Retinal pathogen load with Aβ₄₂ may predict AD stage. In models, infection drives Aβ deposition and NLRP3 activation, worsening pathology and cognition.

In this study, the authors present optimization and efficacy testing of apolipoprotein-based lipid nanoparticles for delivering various nucleic acid therapeutics in vivo to immune cells and their progenitors in the bone marrow.

MK-7762 is a new oxazolidinone antitubercular agent that is structurally similar to linezolid, and demonstrated in vivo efficacy, lesion penetration and limited toxicity compared to linezolid, indicating it could be used in broad tuberculosis regimens.

From 2014–2017, marine heatwaves caused global mass coral bleaching, where the corals lose their symbiotic algae. The authors find, this event exceeded the severity of all prior global bleaching events in recorded history, with approximately half the world’s reefs bleaching and 15% experiencing substantial mortality.

Understanding collective behaviour is an important aspect of managing the pandemic response. Here the authors show in a large global study that participants that reported identifying more strongly with their nation reported greater engagement in public health behaviours and support for public health policies in the context of the pandemic.

NatD is an acetyltransferase responsible for N-α-terminal acetylation of the histone H4 and H2A and has been linked to cell growth. Here the authors show that NatD-mediated acetylation of histone H4 serine 1 competes with the phosphorylation by CK2α at the same residue thus leading to the upregulation of Slug and tumor progression.

This study finds that crowd-sensed plants as living sensors uncover climate and soil patterns in 326 European cities; extend the urban heat island effect to moisture, pH, salinity and disturbance; and show built-up areas homogenize whereas urban forests preserve environmental diversity.

Analysis combining multiple global tree databases reveals that whether a location is invaded by non-native tree species depends on anthropogenic factors, but the severity of the invasion depends on the native species diversity.

Applications of optical laser-based techniques are limited by the long wavelengths of the lasers. Now, observations of phonons and thermal transport at nanometre length scales are reported with an all-hard X-ray transient-grating spectroscopy technique.

A spatial and single-cell transcriptomics study across multiple mammalian species identifies epidermal BMP signalling as a functional requirement for rete ridge formation, providing insight into mechanisms underlying hair density loss and wound healing.

In the adrenal cortex, cholesterol used for steroid production is stored in lipid droplets. The authors demonstrate here the importance of the transcription factor HHEX in maintaining glucocorticoid levels and protecting lipid droplets from androgen-induced lipid depletion.

Prior hypoglycemia alters the paracrine interaction between islet α and δ cells, leading to impaired counter-regulatory glucagon secretion through somatostatin hypersecretion, increasing the risk of recurrent hypoglycemia.

A measurement strategy is described that is able to read out the parity of minimal two-site Kitaev chains in real time, by coupling two Majoranas and resolving their quantum capacitance.

Gallrein et al. pair functional assays with clocks to compare chronological versus biological age of single neuron types in C. elegans, to probe their vulnerability or resilience to neurodegeneration, and use an in silico screen to identify neuroprotective drugs.

Large-effect variants in autism remain elusive. Here, the authors use long-read sequencing to assemble phased genomes for 189 individuals, identifying pathogenic variants in TBL1XR1, MECP2, and SYNGAP1, plus nine candidate structural variants missed by short-read methods.

Muscularis macrophages, housekeepers of enteric nervous system integrity and intestinal homeostasis, modulate α-synuclein pathology and neurodegeneration in models of Parkinson’s disease, and understanding the accompanying mechanisms could pave the way for early-stage biomarkers.

Immune checkpoint inhibition (ICI) has proven therapeutically valuable in non-small cell lung cancer (NSCLC) and other cancers but treatment failure is still seen. Here the authors use multiplex immunofluorescence to visualise the tumour microenvironment in NSCLC to probe functional and metabolic states and correlate this with survival.

Single iron atoms on nitrogen-doped carbon catalysts are a promising alternative to platinum for the oxygen reduction reaction on fuel cell cathodes, but commonly suffer from low stability. Here an in situ chemical vapour deposition synthetic approach is presented, enabling high iron active site dispersion and reducing surface porosity, which mitigates demetallation and carbon corrosion, ensuring high activity and stability.

The reconstitution of complex biological processes in cell-free systems can support the detailed characterisation of biochemical mechanisms which are difficult to probe in vivo. Here authors present an all-cell-free T7 phage cycle, consisting of cell-sized liposomes encapsulating a cell-free gene expression reaction and a phage receptor at the membrane.

The discovery of new gold deposits has declined by 45% over the past 10 years. Lintern et al.present new evidence for the occurrence of particulate gold in trees growing above buried mineral deposits, and propose vegetation sampling as a mineral exploration method.

Risk associated with genetically defined forms of autism spectrum disorder (ASD) can propagate by means of transcriptional regulation to affect convergently dysregulated pathways, providing insight into the convergent impact of ASD genetic risk on human neurodevelopment.

Floquet engineering is often limited by weak light–matter coupling and heating. Now it is shown that exciton-driven fields in monolayer semiconductors produce stronger, longer-lived Floquet effects and reveal hybridization linked to excitonic phases.

Polymerization-inducing chimeras are a novel bifunctional modality that uses protein symmetry to sequester targets by forming insoluble supramolecular assemblies. This approach overcomes reliance on accessory proteins and differs functionally from conventional inhibitors.

Humanity’s Last Exam, a multi-modal benchmark at the frontier of human knowledge, is designed to be an expert-level closed-ended academic benchmark with broad subject coverage.

Genome editing by CRISPR-Cas9 holds great promise for gene therapy but raises safety concerns due to DNA damage at the targeted site. Here, authors develop an integrated approach combining scSNP-DNAseq and LOH assays to monitor CRISPR-induced genotoxicity in primary cells.

Cosgun et al. show that, in B cell leukemia, β-catenin expression is maintained at low levels through glycogen synthase kinase 3B (GSK3β)-mediated phosphorylation. Inhibition of GSK3β results in β-catenin–Ikaros–NuRD complex formation, leading to B-ALL cell death through MYC repression.

An alternative mating system, termed parasex, produces progeny with high levels of genotypic diversity and is able to fulfil the roles of meiosis when it is absent in the fungal pathobiont Candida albicans.

In mice, DHPS supports the maturation, maintenance and function of tissue-resident macrophages via the polyamine–hypusine axis, with implications for macrophage-targeting therapies.

Projected impacts of climate change on malaria burden in Africa by 2050 highlight the urgent need for climate-resilient malaria control strategies and robust emergency response systems to safeguard progress towards malaria eradication.

This study demonstrates the capability of deep learning protein design models in generating functionally validated β-strand pairing interfaces, expanding the structural diversity of de novo binding proteins and accessible target surfaces.

EGFR inhibitors are standard of care in patients with EGFR-mutant non-small cell lung cancer (NSCLC) but resistance often develops. Here the authors report that the evolution of EGFR inhibitor resistance in EGFR-mutant NSCLC results in a sensitivity to the compound, MCB-613, and investigate the underlying mechanism of action.

The distinct architecture of the Escherichia coli membrane transporter LetA mediates lipid trafficking across the bacterial envelope in partnership with the tunnel-like complex LetB.

Comparative genomics and high-resolution mass spectrometry reveal the biosynthetic gene clusters, and vast chemical diversity of natural products that they encode, in Photorhabdus and Xenorhabdus, bacteria that interact with hosts as symbionts and entomopathogens.

In mice, a SPOCD1–TPR-dependent ‘nowhere-to-hide’ mechanism is required for complete non-stochastic piRNA-directed LINE1 DNA methylation by preventing transposons from escaping surveillance within heterochromatin.

De novo and inherited dominant variants in genes encoding U4 and U6 small nuclear RNAs are identified in individuals with retinitis pigmentosa. The variants cluster at nucleotide positions distinct from those implicated in neurodevelopmental disorders.

Human genetic loci that associate with composition of the oral microbiome are identified using saliva-derived DNA, where the same host genetics also shapes oral health and genetic variation in oral bacteria.