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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.

Van der Waals materials of the MB₂T₄ family (M = transition metal or rare-earth metal, B = Bi or Sb, T = Te, Se, or S) have attracted interest for their magnetic and topological properties, but their direct synthesis into 2D form remains challenging. Here the authors report a flux-assisted, phase-controlled growth strategy to directly grow six magnetic 2D MB₂T₄ crystals.

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.

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.

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.

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.

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.

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.

The detailed structure of the native dystrophin–glycoprotein complex provides mechanistic insights into mutations underlying muscular dystrophy.

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.

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.

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.

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.

The authors report the discovery of charge order with onset temperature of 800 K in the kagome superconductor YRu₃Si₂. In addition, they observe time-reversal symmetry breaking below 25 K, field-induced magnetism below 90 K and bulk multi-gap superconductivity below 3.4 K.

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.

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.

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.

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.

The study analyses data from NASA’s MMS mission to examine electromagnetic fluctuations in the electron diffusion region of Earth’s magnetotail offering insights into the link between reconnection and turbulence. It finds that electromagnetic anomalous viscosity supplies, at times, around 20% of the reconnection electric field.

Molecular systems featuring a spin-optical interface offer a promising platform for quantum sensing, thanks to their low-cost synthesis and tunability. Here the authors use pentacene-doped molecular crystals for pressure and temperature sensing with improved temperature and record pressure sensitivities.

The genetic distance between parents influences hybrid performance in plants. Here Miller et al. show that Arabidopsishybrids produced from diverse parental ecotypes have reduced expression of stress responsive genes at certain times of the day and this correlates with greater biomass production.

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.

Monolayer amorphous carbon (a-C) has attracted attention due to its structural and electronic properties, but its synthesis has so far required the use of metal substrates. Here, the authors report the Te-assisted growth of large-scale 2D a-C patterns on various insulating substrates, confirming their insulating properties in quantum tunnelling devices.

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.

Tokamak walls suffer erosion from steady and bursty heat loads. Here, the authors demonstrate that optimizing 3D magnetic field and cooling gas injection can tame destructive plasma bursts while enabling cooler, safer exhaust conditions.

Itaconate is an airway metabolite released by phagocytes in response to infection. Here, the authors show that itaconate acts as a signal to simulate the adaptation of Pseudomonas aeruginosa to the lung by modifying RpoN through S-itaconation.

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 quark structure of the f₀(980) hadron is still unknown after 50 years of its discovery. Here, the CMS Collaboration reports a measurement of the elliptic flow of the f₀(980) state in proton-lead collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV, providing strong evidence that the state is an ordinary meson.

Atomically dispersed catalysts show promising activity for electrochemical reactions but often suffer from limited stability. Here, the authors report an atom-ordering strategy that forms triangular Co sites to activate the substrate for durable alkaline hydrogen production.

NBCn1 plays an important role as a base loader allowing breast cancer cells to survive in an acidic environment. Here, Wang et al report its near atomic structure and transport cycle involving minimal structural changes associated with an exceptionally high turnover rate, enabling efficient cellular base loading and tumor survival

The skin regulatory T cells (Tregs) accumulate within the first two weeks after birth. Here the authors show that Tregs are essential for establishing skin pigmentation in newborns by modulating a molecular pathway in hair follicles, linking immune regulation to pigmentation development.

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 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.

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.

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.

Zhang et al. design a nanostructure which activates an adaptive martensitic transformation mechanism in a nuclear grade austenitic stainless steel, achieving extraordinary radiation resistance with non-degraded mechanical properties.

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.

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 CMS Collaboration reports evidence for off-shell Higgs boson contributions in the production of Z boson pairs, and measures the width of the Higgs boson, which is inversely related to its lifetime.

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.

Starble, Sun, and colleagues identify an epigenetic priming mechanism that promotes oncogene amplification in acquired resistance to tyrosine kinase inhibitors and establishes a role of METTL7A in this process.

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.

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.

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

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.

The neural mechanisms driving seizure development in peritumoral brain regions remain incompletely defined. Here, using patient tissue, glioma mouse model, and computational simulation, the authors identify early pathological activities that are predictive of tumor-associated seizures.

The sustainable use of organic aerogels is limited by their non-recyclability owing to the covalently-crosslinked networks that constitute their structures. Here, the authors report on the dynamic chemistry of hexahydrotriazine units to develop recyclable aerogels.

Giant THG anisotropy in 2D VOCl emerges from a synergistic coupling of charge-transfer Mott insulator behavior with intrinsic C₃ symmetry breaking.

Myocardial contractile force and intracardiac hemodynamic shear stress coordinate the initiation of trabeculation in heart development. Here, the authors report that radially aligned myocardial strain activates snai1b⁺/Notch⁻ cardiomyocytes, initiating delamination for trabeculation.

Glioblastoma (GBM) is characterized by a high degree of heterogeneity and plasticity due to interplay with neural developmental programs. Here, the authors develop a model of GBM by introducing sequential oncogenic mutations in human neural stem cells and using this, identify INSM1 as a driver of a neural progenitor gene network promoting tumorigenesis.