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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.

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.

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.

Klebsiella pneumoniae clonal group 23 is a public health concern due to hypervirulence and carbapenem resistance. Here, the authors sequence 13 new isolates of the ST218-KL57 strain from China and conduct genomic analyses to investigate evolutionary divergence and resistance patterns.

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.

A comprehensive atlas platform integrating transcriptional and epigenetic data enables more precise engineering of T cell states, accelerating the rational design of more effective cellular immunotherapies.

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

Gas evolution severely limits the performance of LiFe_xMn_1−xPO₄ batteries, yet its mechanisms remain unclear. Now it has been shown that CO₂ originates mainly from the cathode and H₂ from Mn/Fe-catalysed reactions at the anode, while a uniform carbon coating effectively suppresses metal dissolution and stabilizes cycling.

Generation of orbital currents in a non-magnetic material can be useful to build efficient orbitronic devices. Now, the interplay of chiral phonons and electrons is shown to produce orbital currents in α-quartz.

Ferromagnetic systems produced by the transition metal doping of semiconductors may be used as components of spintronic devices. Here, a new ferromagnet, Li_1+y(Zn_1-xMn_x)As, is prepared in bulk quantities and shown to have a critical temperature approaching 50 K.

The CMS Collaboration reports the measurement of the spin, parity, and charge conjugation properties of all-charm tetraquarks, exotic fleeting particles formed in proton–proton collisions at the Large Hadron Collider.

The authors reveal that the ferroelectric to antiferroelectric phase transition in Pb(Zr_0.97Ti_0.03)O₃-1wt%Nb₂O₅ at low temperatures is an irreversible process exhibiting relaxation behavior and diffusional kinetics.

CDK4/6 inhibitors are promising treatments for ER+ breast cancer, however resistance remains a challenge. Here, the authors analyse the NeoPalANA cohort and indicate that a 33 gene signature was predictive of response to neoadjuvant anastrozole and palbociclib.

Earth-abundant cobalt-based catalysts have shown promise to replace iridium as anode catalysts in proton-exchange-membrane water electrolysers, but unfortunately they exhibit high degradation rates. Now, a lanthanum and calcium co-modification of Co₃O₄ is presented, in which lanthanum tunes the water–surface interactions to suppress cobalt dissolution and improve stability, while calcium leaching creates coordinatively unsaturated cobalt sites, leading to enhanced activity.

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.

By combining satellite observations with ground-based data and expert validation, this analysis demonstrates considerable misestimation of grassland extent and thereby carbon stock estimates in previous global assessments based on remote sensing.

Global Burden of Disease estimates show that between 1990 and 2023, the prevalence and burden of drug use disorders, inclusive of amphetamine, cannabis, cocaine and opioid use, have been increasing in high-income countries, particularly in the USA.

This study builds a facility-level cost model to assess U.S. cathode material costs, showing that all-domestic supply is 9–34% costlier than global average, increasing by cobalt content, while these shortfalls can be overcome by selective low-cost material imports.

Although rechargeable lithium–air batteries are receiving significant attention because of their high theoretical specific energy, carbon cathodes that are currently used decompose during oxidation and promote electrolyte decomposition on cycling. A titanium carbide-based cathode is now shown to reduce side-reactions, and exhibits enhanced reversible formation and decomposition of Li₂O₂.

Recharging Li–O₂ batteries requires oxidation of the discharge product solid Li₂O₂. Now a redox-mediating molecule is shown to assist this process by transferring electron–holes between solid Li₂O₂ and the positive electrode in a non-aqueous Li–O₂ cell. This allows the cell to be charged at rates that are otherwise impossible.

Photonic time crystals (PTCs) have unveiled unusual band structures and phenomena due to temporal modulation of optical properties. Here, the authors address non-Hermitian features of PTCs within a purely Hermitian Hamiltonian description, bridging classical and quantum approaches.

Owing to electron localization, two-dimensional materials are not expected to be metallic at low temperatures, but a field-induced quantum metal phase emerges in NbSe₂, whose behaviour is consistent with the Bose-metal model.

The ALICE Collaboration provides details on the microscopic mechanism that ends up creating antideuteron in high-energy proton–proton collisions at the Large Hadron Collider.

Wildfire observations reveal that 21% of black carbon aerosols contain multiple cores, and accounting for this morphology increases global absorption by 19%, highlighting a missing source of radiative forcing in current models.

Electrocatalytic multi-step reactions are very complex. Here, the authors report that the oxygen reduction reaction cascades through a series of rate-limiting steps that are linked to the bias- and pressure-dependent catalyst-solution interface.

The study provides observational evidence of energy transfer in space plasmas, showing hydrogen and helium ions interact differently with ion-scale waves. Despite helium’s low abundance, they show their interaction can excite electrostatic waves, facilitating energy transfer across scales and challenging traditional models.

Enhancing the superconducting temperature is often the main driver of synthetic studies of novel superconducting materials. Now, an approach yielding an air-stable iron selenide system that superconducts up to 40 K is reported.

Can a minimal model reveal quasicrystal emergence and associated multi-level hierarchies of crystal patterns? Here, the theoretical discovery of the underlying energy ground states of Hertzian quasicrystal offers a new perspective on its formation.

Modulation of random heteropolymers results in globular polymer clusters with catalytic activity mimicking proteins.

Determinants of WEE1 inhibitor sensitivity in cancer cells are largely undefined. Here, the authors show that WEE1 inhibitors beyond their cell cycle perturbing effects also lead to paradoxical activation of the integrated stress response kinase GCN2.

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 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.

By overcoming the limited solubility of other lighter components in aluminum using high pressure and high temperature, a low-density, high specific strength, and single-phase aluminum-based complex concentrated alloy is developed.

As electric vehicle batteries adopt cobalt-free layered cathodes to tackle supply chain issues, it greatly impacts battery lifespan. Here, the authors develop a lithium stoichiometry control method to synthesize cobalt-free composite-structured cathodes with high cycling stability, enabling long-life sustainable batteries.

The extent to which in-vitro cellular experiments are effective models for complex biology underlying human phenotypes is often unclear. Here the authors propose and implement a framework using gene perturbation data to evaluate in-vitro models.

Fluorides have been identified as a key ingredient in interphases supporting aggressive battery chemistries. Here, the authors show a positive charged organic cation carrying fluorine populates at the inner Helmholtz layer of the electrode and contributes to the interphasial chemistry.

In this study, the heterodimeric GABA_B receptor, a class C G protein-coupled receptor for the neurotransmitter GABA, is found to be allosterically activated by mechanical forces in a GABA independent manner through a direct interaction with integrin.

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.

Genomic analyses applied to 14 childhood- and adult-onset psychiatric disorders identifies five underlying genomic factors that explain the majority of the genetic variance of the individual disorders.

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

Although layered oxides electrodes in lithium-ion batteries are designed under conditions avoiding phase transitions, phase separation during delithiation has been observed. This apparent phase separation is shown to be a dynamical artefact occurring in a many-particle system driven by autocatalytic electrochemical reactions.

The understanding of the reemergence of pressure induced superconductivity in alkali-metal intercalated FeSe is hampered by sample complexities. Here, Sun et al. report the electronic properties of (Li_1–xFe _x )OHFe_1–ySe single crystal not only in the reemerged superconducting state but also in the normal state.

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.

Analysis of a large dataset of scanning transmission X-ray microscopy images of carbon-coated lithium iron phosphate nanoparticles shows that the heterogeneous reaction kinetics of battery materials can be learned from such videos pixel by pixel.

The proton shuttle plays a critical role in the proton transfer process during lithium-mediated ammonia synthesis. Here, the authors establish the structure-activity relationship and design principles for effective proton shuttles.

Highly pathogenic avian influenza A H5N1 clade 2.3.4.4b virus has caused outbreaks in dairy cattle and cases in humans in the United States. Here, the authors assess levels of pre-existing cross-reactive antibodies to the epidemic virus strain in human serum samples collected in the United States.

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.

The irreversible sintering of Cu catalyst for deactivation remains a persistent challenge under thermal or photothermal reverse water-gas shift reaction process. Now, a hydroxyl-engineered CuNi nanocatalyst, derived from CuNiMgAl-LDH, achieves high and stable CO evolution under solar light by preventing sintering through dynamic hydroxyl anchoring of the nanoparticles.