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The authors study a topological insulator (TI) sandwiched between two magnetic TIs. By keeping one of the magnetic TIs insulating, while tuning the other one into a metallic regime, they find half quantized anomalous Hall conductance, a boundary signature consistent with a quantized axion field.

A universal approach to construct low-resistance oxide layer by multiple tunnelling paths is proposed for efficient and durable Si-based photocathode. This approach can speed up the pace of development of practical photoelectrochemical devices.

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.

Spatial transcriptomics (ST) technologies link tissue morphology with gene expression, but remain expensive to use; furthermore, models that predict ST data from histopathology images possess considerable limitations. Here, the authors develop STimage, a deep learning probabilistic framework for ST prediction from histopathology images while prioritising robustness and interpretability.

Fracto-mechanoluminescence is the emission of light from fracturing solids. Here, the authors show that this emission in Mn halides arises from elastic stiffness, electromechanical coupling, and trap states that activate Mn²⁺ d−d transitions.

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.

Standard approaches for identifying pleiotropic genetic variants may lead to spurious results. Here the authors present a new statistical method and show that it uncovers five genes linked to metabolites in METSIM participants, which were previously undetected by existing methods.

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.

Native crystallographic defects are often introduced during synthesis of battery materials, but has been overlooked. Here, using in situ synchrotron X-ray probes and electron microscopy, the authors have revealed their adverse effect during battery operation.

MnBi₂Te₄ has an appealing combination of topological bands and magnetic ordering. While chemical doping with Sb can be used to tune these properties, it typically comes with an increase in defect density. Here, Chen, Wang, Li, Duan, and coauthors demonstrate a defect engineering approach that preserves the topological and magnetic properties of Mn(Bi_1-xSb_x)₂Te₄.

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.

Ancient genomes from Neolithic rice-farming populations at Baligang reveal a demographic shift around 4,200 years ago and a 5,000-year-old patrilineal social structure, providing insights into the population history of East Asia.

A mechano-intelligent transmission mechanism based on the slipknot delivers precise force signals for clinical practice and robotic operations such as minimally invasive surgery and tendon-driven robotics.

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.

This study elucidates nanoscopic strain evolution in single-crystal Ni-rich positive electrodes, demonstrating that mechanical failure results from lattice distortions, and redefines the roles of cobalt and manganese in battery cycling stability.

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.

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.

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.

Current lithium-ion batteries still rely heavily on nickel (Ni), whose growing demand raises serious economic and environmental concerns. This work now presents a cathode that delivers longer cycle life than high-Ni chemistry while substantially reducing Ni use.

A new encoding method, CEBRA, jointly uses behavioural and neural data in a (supervised) hypothesis- or (self-supervised) discovery-driven manner to produce both consistent and high-performance latent spaces.

Despite recent advances with trappedion-based platforms, achieving quantum networks with link efficiency greater than unity on metropolitan scales is still a challenge. Here, the authors demonstrate a multiplexed quantum network generating heralded entanglement at a rate faster than local decoherence.

A device for rectifying supercurrents at liquid-nitrogen temperature with high efficiency is demonstrated. This is a practical step towards implementing dissipationless electronics.

Adaptable control is essential for metasurfaces. Xingqi Xuan and colleagues propose a cyber-managed system with energy harvesting modules, offering a flexible solution for closed loop electromagnetic field manipulation and sensing.

This study presents a generative artificial intelligence approach for the high-throughput discovery of antimicrobials against multidrug-resistant bacteria.

This study shows that animals can adapt behaviorally to warm environments by speeding up their internal clocks. Suprathreshold temperatures activate the Lim1 pathway in the fly brain, resulting in accelerated circadian clock activity and increased early morning activity.

This study demonstrates how CO₂ directs defect control during the synthesis of Mn-rich sodium layered oxides, improving the stability and performance of earth-abundant positive electrode materials in non-aqueous sodium-based rechargeable batteries.

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.

Yan et al. use cryo-EM to obtain structures that reveal how DNMT3A2 and DNMT3L cooperate to read histone signals and bind chromatin, illustrating a mechanism that controls DNA methylation and shapes epigenetic regulation.

The lack of reliable coating methods for amorphous zeolitic imidazolate framework (aZIF) materials hinders their development for applications such as photolithography and separation membranes. Supported by computational fluid dynamics modeling, the authors develop a spin-coating technique to deposit aZIF films from dilute precursors and demonstrate their wafer-scale use in advanced lithographic processes.

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.

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.

In ABA trilayer graphene, a temperature gradient generates a transverse voltage that scales quadratically with the gradient and reaches an effective Nernst coefficient of 300 µV K⁻¹ near the charge neutrality point.

A pangenome of oat, assembled from 33 wild and domesticated oat lines, sheds light on the evolution and genetic diversity of this cereal crop and will aid genomics-assisted breeding to improve productivity and sustainability.

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.

Immune checkpoint inhibitors have shown promise in tumour immunotherapy but resistance has been seen. Here using pre-treatment hepatocellular carcinoma patient biopsies from patients scheduled for immunotherapy, the authors implicate BCL9 and show that a BCL9-targeting peptide promotes anti-tumour immunity in mouse models through targeting macrophages and promoting anti-tumour T cell responses.

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.

Combining atomic-scale imaging and density-functional-theory defect phase diagrams, this study shows that boron at steel grain boundaries rearranges iron atoms, triggers defect phase transformations, and greatly increases resistance to embrittlement.

The authors demonstrate strain-induced morphotropic phase boundary-like nanodomains in lead-free NaNbO₃ thin films, enabling multi-state switching and large enhancements in dielectric susceptibility and tunability over a broad frequency range.

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.

The exact mechanism for superconductivity in iron-based superconductors remains elusive, but is thought to involve complex interactions between many orbitals. Using angle-resolved photoelectron spectroscopy, Liuet al. report the electronic structure of the single-layer parent compound FeSe.

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.

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 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.

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 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.

3D correlative nanoscale tomography on an Fe-W alloy shows that topology requires secondary grain boundary dislocations which strongly control patterned solute segregation, reshaping segregation energy spectra and opening routes for advanced alloy design.

Observations of γ-rays with energies up to 1.4 PeV find that 12 sources in the Galaxy are PeVatrons, one of which is the Crab Nebula.