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Days with both extreme heat and high wildfire-sourced fine particulate matter (PM_2.5) were associated with increased childhood hospitalizations for respiratory, renal and diabetic conditions in a retrospective analysis of five countries.

Using time-resolved cryo-EM, this study captures fibrillar collagen assembly as it matures from a metastable to a stable state, shedding light on tissue maintenance and disease-linked defects.

 Enhanced preformation of the α particle, a strongly bound system of two protons and two neutrons, in ¹⁰⁴Te causes it to be the fastest ground-state α-emitting nucleus known so far.

The magnetospheric cusp is a key solar wind– magnetic field interface. Here, the authors show that Saturn’s cusp has a pronounced dawn–dusk asymmetry, with signatures reaching the postdusk region, unlike Earth’s near-noon cusp.

The populations of CRHR2-expressing neurons in the lateral septum of mice involved in threat-related behaviour in response to environmental challenges are defined.

A new approach to magnetic resonance imaging, ‘multiplexed magnetic resonance imaging’, is reported, which enables high-resolution simultaneous multiparametric mapping of multiple molecules in standard clinical settings.

Morphological and stable isotope analysis of Early Triassic lycophyte leaves suggest they were similar to extant Isoetales and thus may have made use of crassulacean acid metabolism photosynthesis—a trait that may have been advantageous during the Permian–Triassic mass extinction.

Weyl semimetals exhibit exotic properties owing to the presence of Weyl fermions. Here, Xu et al. show that tantalum phosphide is an ideal platform for studying the transport properties of these particles because its low-energy properties are dominated by a single type of Weyl fermion.

LHAASO has detected γ-ray emission with a spectrum extending to 2 PeV from the pulsar wind nebula (PWN) powered by PSR J1849-0001, indicating an extreme particle acceleration efficiency and challenging the current particle acceleration theories.

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.

Chronic care manages long-term, progressive conditions, while acute care handles short-term ones. Here, authors show chronic conditions account for most of the global health burden, with 68% of DALYs and 93% of YLDs attributed to chronic care needs.

The growth of high-quality organic single crystals is essential for probing intrinsic optoelectronic properties and molecular packing. Here, the authors present an additive-directed cocrystallization strategy to grow Y6-additive cocrystals with tunable thickness and controlled morphology.

The STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory demonstrates evidence of spin correlations in \(\Lambda \bar{\Lambda }\) hyperon pairs inherited from virtual spin-correlated strange quark–antiquark pairs during QCD confinement.

The study and application of the conductive surface states of topological insulators are often restricted by the presence of bulk conduction states. Here, Xu et al. present evidence for such topological surface states with true bulk insulation in the strongly correlated Kondo insulator SmB₆.

In this study, the authors show that chandelier cells in the medial prefrontal cortex integrate circuit inputs, encode stimulus salience across sensory modalities, and thus influence associative learning in male mice.

The mediobasal hypothalamus plays a central role in integrating nutritional and sex-related signals to regulate energy homeostasis. Here, through snRNA-seq of the mediobasal hypothalamus in female and male mice across nutritional states, authors show that Agrp neurons are nutrition-sensitive, DA neurons exhibit transcriptional differences in a sex-dependent manner, and KNDy neurons are responsive to both sex and nutrition.

Trimodal single-cell analysis reveals gene-regulatory architecture in complex tissues.

The Einstein Probe has discovered a fast X-ray transient, EP240414a, associated with a broad-lined type Ic supernova. Its unusually soft spectrum and weak jet add to the diversity of stellar deaths and suggest a previously unknown Wolf–Rayet star explosion mechanism.

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.

Unprotected β-fluoroamines are important motifs in synthetic chemistry, offering versatility for the development of β-fluorinated nitrogen-containing compounds. Here, the authors disclose an iron-catalyzed three-component aminofluorination of alkenes using a hydroxylamine reagent and Et3N · 3HF, offering a direct entry to unprotected β-fluoroamines.

The authors from the ALICE collaboration identify multiple species of mesons and baryons and measure the anisotropic flow with non-flow removal techniques in pp and p-Pb collisions at the LHC, identifying the hallmark of quark flow associated with an expanding quark-gluon plasma.

The death of massive stars has traditionally been discovered by explosive events in the gamma-ray band. Liu et al. show that the sensitive wide-field monitor on board Einstein Probe can reveal a weak soft-X-ray signal much earlier than gamma rays.

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 study presents a clinical-grade autonomous pipeline combining high-resolution whole-slide tomography, edge computing and artificial intelligence, achieving high accuracy in cervical cytology and enabling scalable and objective diagnostics.

Artificial intelligence-based detection of gastric cancer at different stages from noncontrast computed tomography is suggested to be feasible in a retrospective analysis of large and diverse cohorts, including real-world populations in opportunistic and targeted screening scenarios.

Ji, He, Cai, and colleagues report an engineered senescence therapy that exploits lipid metabolic features of senescent cells, repurposing excess lipids as functional resources to improve joint function, and thus alleviating osteoarthritis without eliminating the cells.

A new artificial intelligence model, DeepSeek-R1, is introduced, demonstrating that the reasoning abilities of large language models can be incentivized through pure reinforcement learning, removing the need for human-annotated demonstrations.

Iron pnictide compounds have recently been shown to have superconducting properties. Xuet al. show that the superconducting gap of underdoped pnictides scales linearly with the transition temperature, and that a pseudogap develops with underdoping.

Li et al. reveal projection neuron-type-specific dynamics that coordinate corticothalamic communication during reach-to-consume behavior in mice.

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.

While Bell inequalities have been violated several times—mostly in photonic systems—their violations within particle physics experiments are less explored. Here, the BESIII Collaboration showcases Bell-violating nonlocal correlations between entangled hyperon pairs.

Thermal lepton pairs are ideal probes for the temperature of quark-gluon plasma. Here, the STAR Collaboration uses thermal electron-positron pair production to measure quark-gluon plasma average temperature at different stages of the evolution.

A machine-learning model that integrates data from wearable devices (such as smartwatches) with blood biomarkers and demographic data can predict whether someone has insulin resistance, enabling timely lifestyle interventions to prevent progression to type 2 diabetes.

Neoantigen-based adoptive T cell therapies represent a personalized approach for cancer immunotherapy. Here the authors describe NEO-STIM, an ex vivo T cell induction platform to STIMulate peripheral blood T cells to generate responses against tumor NEOantigens.

The study of isotopes away from the beta stability valley is crucial for the understanding of nuclear structure, especially for neutron-deficient heavy nuclei. Here, the authors report the observation of the alpha-decay isotope 210-protactinium (Pa), extending the alpha-decay systematics of underexplored regions of the nuclides chart.

Chiral superconductors are very rare topological materials. Here, the authors report spontaneous magnetic fields inside the superconducting state and low temperature linear behavior in the superfluid density in LaPt₃P, suggesting a chiral d-wave singlet superconducting state.

The authors present SVclone, a computational method for inferring the cancer cell fraction of structural variants from whole-genome sequencing data.

Estimates from the Global Burden of Disease study reveal declines in chronic respiratory disease mortality between 1990 and 2023—especially during the COVID-19 pandemic—but the burdens on people affected remain substantial.

This study explores the magnitude, spatiotemporal variation and drivers of nitrous oxide emissions from Chinese livestock production over the past four decades. Scenario analysis is used to estimate emissions mitigation potential of different measures, their associated marginal abatement costs and the social benefits.

The development of practical photonic quantum technologies will be aided by the spatial control of entangled photons. Lenget al. achieve on-chip spatial control of entangled photons by using domain engineering, rather than by using external optical elements.

Investigating the inner structure of baryons is important to further our understanding of the strong interaction. Here, the BESIII Collaboration extracts the absolute value of the ratio of the electric to magnetic form factors and its relative phase for e + e − → J/ψ → ΛΣ decays, enhancing the signal thanks to the vacuum polarisation effect at the J/ψ peak.

The semileptonic decay channels of the Λc baryon can give important insights into weak interaction, but decay into a neutron, positron and electron neutrino has not been reported so far, due to difficulties in the final products’ identification. Here, the BESIII Collaboration reports its observation in e+e- collision data, exploiting machine-learning-based identification techniques.

This study reveals that adhesion G-protein-coupled receptors (GPCRs) promote extracellular vesicle (EV) formation and EVs spread GPCRs into neighboring cells to activate G-protein signaling, providing a novel mechanism for cell–cell communication.

Zhang et al. examine associations between wildfire-specific PM_2.5 and emergency department visits for mental disorders in children across 845 communities in Australia, Brazil and Canada over a 15-year period.

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.

In topological insulators, studies have largely concentrated on the spin part of the wavefunction. But the spin–orbit coupling is strong, so the orbital components of the wavefunction need to be measured as well. Surprisingly, the orbital wavefunction turns out to be asymmetric about the Dirac point.