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This study develops a platform that enables simultaneous, multiplexed tracing of 30 nitrogen isotope-labelled metabolites, uncovering differences in pyrimidine synthesis pathway choice between primitive and differentiated cells.

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.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

Identifying jets originating from heavy quarks plays a fundamental role in hadronic collider experiments. In this work, the ATLAS Collaboration describes and tests a transformer-based neural network architecture for jet flavour tagging based on low-level input and physics-inspired constraints.

Vaccination is effective in protecting from COVID-19. Here the authors report immune responses and breakthrough infections in twice-vaccinated patients receiving anti-TNF treatments for inflammatory bowel disease, and find dampened vaccine responses that implicate the need of adapted vaccination schedules for these patients.

Trends in global H₂ sources and sinks are analysed from 1990 to 2020, and a comprehensive budget for the decade 2010–2020 is presented.

Vinyl acetate is an important polymer building block, but the mechanisms governing its catalytic production are not well understood. This study shows that dynamic palladium-acetate clusters determine catalyst efficiency and selectivity in vinyl acetate synthesis.

Inventory data from more than 1 million trees across African, Amazonian and Southeast Asian tropical forests suggests that, despite their high diversity, just 1,053 species, representing a consistent ~2.2% of tropical tree species in each region, constitute half of Earth’s 800 billion tropical trees.

Industrial ammonia synthesis relies on complex, multi-promoted Fe catalysts that lack clear structure–activity correlations. This study reveals that promoter synergy creates stable, nanodispersed Fe catalysts with superior activity and resistance to poisoning.

A genome-wide study by the Long COVID Host Genetics Initiative identifies an association between the FOXP4 locus and long COVID, implicating altered lung function in its pathophysiology.

A consensus cell type atlas for the fly brain provides both an intellectual framework and open-source toolchains for brain-scale comparative connectomics.

Analysing >1,700 inventory plots from the Amazon Tree Diversity Network, the authors show that the majority of Amazon tree species can occupy floodplains and that patterns of species turnover are closely linked to regional flood patterns.

In an updated report on 70 laboratory-confirmed highly pathogenic avian influenza A H5N1 cases in the USA between March 2024 and May 2025, the absence of human-to-human transmission to date was confirmed, with no known mutations of resistance to neuroaminidase inhibitors.

Metabolomics analysis of the mouse embryo shows a metabolic shift towards the tricarboxylic acid cycle between gestational days 10.5 and 11.5, leading to the subsequent development of organ-specific metabolic programmes.

Response to tebentafusp is variable in patients with metastatic uveal melanoma. Here, the authors use droplet digital PCR to detect ctDNA and show that ctDNA positivity was associated with shorter overall survival.

Entanglement was observed in top–antitop quark events by the ATLAS experiment produced at the Large Hadron Collider at CERN using a proton–proton collision dataset with a centre-of-mass energy of √s  = 13 TeV and an integrated luminosity of 140 fb⁻¹.

Ramadoss et al. show that bone-marrow-derived macrophages contribute to heart repair following myocardial infarction by secreting GPNMB, which binds to the orphan receptor GPR39 to improve myocyte contractility and reduce fibroblast activation.

Heterogeneous catalysts are often dynamic under operation. Now, the mechanism of CH₄ dry reforming on Ni is studied by in situ microscopy and spectroscopy, revealing the formation of metastable surface nickel–oxygen structures from CO₂ dissociation that exhibit different catalytic properties and induce rate oscillations.

Most Amazon tree species are rare but a small proportion are common across the region. The authors show that different species are hyperdominant in different size classes and that hyperdominance is more phylogenetically restricted for larger canopy trees than for smaller understory ones.

Developing rapid and affordable HPV tests is imperative for effective cervical cancer screening in resource-limited regions. Here, the authors demonstrate an advanced HPV diagnostic system that integrates CRISPR technology with digital signal processing.

An approach called TRACE enables mapping of millions of mutations in engineered cell populations.

Phylogenetics and population genetics analysis of ancient tiger genomes inform tiger evolution and suggest post-glaciation admixture of divergent tiger lineages in China.

In placental malaria, interactions between parasite protein VAR2CSA and human glycosaminoglycan chondroitin sulfate A (CS) sequesters infected red blood cells in the placenta. Here, the authors provide cryo-EM structures of VAR2CSA and placental CS, identifying molecular interactions that could guide design of placental malaria vaccines.

The worldwide incidence of pulmonary carcinoids is increasing, but little is known about their molecular characteristics. Here, Alcala and colleagues present a multi-omics analysis of these tumours, revealing distinct molecular and prognostic subgroups.

FlyWire presents a neuronal wiring diagram of the whole fly brain with annotations for cell types, classes, nerves, hemilineages and predicted neurotransmitters, with data products and an open ecosystem to facilitate exploration and browsing.

The endoplasmic reticulum-localized adaptor STING regulates the innate immune response through its ability to sense DNA damage. Here the authors reveal that STING functions as a regulator of cellular ROS homeostasis and tumor cell susceptibility to reactive oxygen dependent, DNA damaging agents.

The role of dorsal hippocampus in driving reinforcement remains to be determined. Here, authors show that dorsal hippocampus-driven reinforcing behaviors are mediated via inputs to dynorphin neurons in the dorsal medial nucleus accumbens.

The interleukin-15 superagonist N-803, combined with the depletion of CD8⁺ lymphocytes, induced a robust and persistent reactivation of the virus in vivo in both antiretroviral-therapy-treated SIV-infected macaques and HIV-infected humanized mice.

Diabetic foot ulcers (DFUs) remain a complication of diabetes that are difficult to heal and lead to disability. Here the authors use single-cell RNA-sequencing and spatial transcriptomics to characterize the DFU cellular landscape and identify a population of fibroblasts that is associated with successful wound closure.

The ATLAS Collaboration reports a measurement of the ratio of the decay rates of W bosons to τ leptons and muons, in agreement with universal lepton couplings as postulated in the standard model of particle physics.

Seronegative healthcare workers with an innate signature of infection preferentially expand pre-existing T cells targeting the conserved replication transcription complex of SARS-CoV-2 in abortive infection.

Structural and physiological studies show that the inner membrane protein PbgA is a crucial sensor of lipopolysaccharide (LPS) and regulates the activity of the LPS biosynthesis enzyme LpxC.

Severe COVID-19 is associated with epithelial and endothelial barrier dysfunction, however, the molecular pathways resulting in endothelial barrier dysfunction and vascular leakage are only sparsely understood. Here, Biering et al. show that SARS-CoV-2 spike protein is sufficient to induce barrier dysfunction and vascular leak. They show a role for integrins, TGF-beta, ECM remodeling enzymes, and glycosaminoglycans in this S-mediated barrier dysfunction.

Rao and Cai et al. perform a detailed metabolic comparison between primary tumours from patients and their matching xenografts, which identify conserved as well as divergent metabolic patterns.

The ATLAS Collaboration reports the observation of the electroweak production of two jets and a Z-boson pair. This process is related to vector-boson scattering and allows the nature of electroweak symmetry breaking to be probed.

This report from the 1000 Genomes Project describes the genomes of 1,092 individuals from 14 human populations, providing a resource for common and low-frequency variant analysis in individuals from diverse populations; hundreds of rare non-coding variants at conserved sites, such as motif-disrupting changes in transcription-factor-binding sites, can be found in each individual.

Human SWS1, SWSAP1, and SPIDR interact with RAD51, a critical protein for homology-directed repair. Here the authors reveal roles for the mouse SWS1–SWSAP1–SPIDR complex in inter-homolog recombination, including during meiosis, and sister chromatid exchange in BLM helicase deficient cells.

Results for the final phase of the 1000 Genomes Project are presented including whole-genome sequencing, targeted exome sequencing, and genotyping on high-density SNP arrays for 2,504 individuals across 26 populations, providing a global reference data set to support biomedical genetics.

Melanoma cells undergo less oxidative stress and less ferroptosis in lymph than in blood, owing to higher levels of oleic acid in lymph, and thus exposure to the lymphatic environment increases subsequent metastasis through blood.

A clinical decision support system for diagnosis of myocardial infarction, based on machine learning models that use a single measurement of high-sensitivity troponin, outperforms clinical guidelines that use fixed cardiac troponin thresholds for diagnosis.

Restoration of abandoned farmlands has the potential to improve ecosystem functions and benefits. Using a multidisciplinary approach, Knoke et al. show that ecological and economic indicators favour either afforestation or intense pasturing of these abandoned areas in the tropical Andes.

The ATLAS experiment at the Large Hadron Collider reports a search for charged-lepton-flavour violation in decays of Z bosons into a τ lepton and an electron or muon of opposite charge.

Here, the authors perform transcriptional profiling on tracheal aspirates of adults requiring mechanical ventilation for SARS-CoV2-induced acute respiratory distress syndrome (ARDS) and identify a dysregulated host response predicted to predicted to be potentially modulated by dexamethasone.

Quantum electrodynamics predicts a rare process in which light is scattered by light. The ATLAS Collaboration reports signs of this elusive effect in the collisions of ultra-relativistic lead ions.

Tumor-associated macrophages can restrict antitumor responses. Barreira da Silva and colleagues demonstrate that the intracellular enzyme QPCTL supports recruitment of immunomodulatory macrophages to the tumor microenvironment and its targeting can enhance tumor control.

Ten years after the discovery of the Higgs boson, the ATLAS  experiment at CERN probes its kinematic properties with a significantly larger dataset from 2015–2018 and provides further insights on its interaction with other known particles.