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Radiation reaction (RR) on particles in strong fields is the subject of intense experimental research, but previous efforts lacked statistical significance due to the extreme regimes required. Here, the authors report a 5σ observation of RR and obtain strong, quantitative evidence favouring quantum models over classical, using an all-optical setup where electrons are accelerated by a laser in a gas jet before colliding with a second, intense pulse.

The authors synthesize bee assemblage data from 681 crop fields across three continents, finding that local pesticide hazards and decreasing adjacent semi-natural habitats both negatively affected wild bee abundance and species richness in crop fields, while pesticides also reduced functional diversity.

ATF6α activation in human and preclinical models of hepatocellular carcinoma is significantly associated with an aggressive tumour phenotype characterized by reduced survival, glycolytic reprogramming and local immunosuppression.

In this work, researchers build a scalable photonic Chern insulator by twisting a fibre during fabrication, breaking an effective time-reversal symmetry and inducing a pseudo-magnetic field. The team reveals a ‘Goldilocks’ regime that guarantees topological protection against fabrication-induced disorder of any symmetry class in the fibre cross-section.

Attosecond control of electrons in nanostructures requires resolving dynamics in the optical near field. Now, an experiment finds low-energy spectral stripes that track subcycle electron emission and allow the isolation of attosecond electron bursts.

Here the authors compare genetic testing strategies in rare movement disorders, improve diagnostic yield with genome analysis, and establish CD99L2 as an X-linked spastic ataxia gene, showing that CD99L2–CAPN1 signaling disruption likely drives neurodegeneration.

The study shows how ship traffic in the Baltic Sea modifies seafloor morphology and disrupts water layers, thereby increasing the mixing of oxygen, nutrients and greenhouse gases, suggesting broad impacts on Baltic marine ecosystems.

Polymorphism, the presence of different crystal structures of the same molecular system, provides an opportunity to discover new phenomena and properties. Here, the authors crystallize coronene in the presence of a magnetic field, forming a different polymorph, which remains stable under ambient conditions.

Nylon-11 is a common and durable polymer but possess low piezoelectric properties. Here, the authors use mechanical accelerations and strong electric fields to induce crystallization, hydrogen-bonding and dipole alignment in Nylon-11 films, achieving high piezoelectricity.

Crohn’s disease is associated with disturbances in the B-cell compartment and secreted antibodies. Here, the authors reveal impaired colonic dimeric IgA responses in patients with Crohn’s disease and verify this phenotype in murine models, demonstrating that mitochondrial dysfunction drives defective mucosal humoral immunity.

This paper uses multiomics to profile a large cohort of meningioma samples to highlight the role of the tumor microenvironment in driving the epigenetic changes underpinning tumor classification and prediction of outcome.

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.

Microflora Danica—an atlas of Danish environmental microbiomes—reveals that although human-disturbed habitats have high alpha diversity, species reoccur, revealing hidden homogeneity.

Spatial multi-modal data analysis using embeddings from diverse foundation models (spEMO) represents a transformative approach that unifies embeddings from pathology foundation models with those from large language models to advance spatial multi-omics research.

Integrating complex multi-omics data for individual patient decision making can be challenging. Here, the authors develop Knowledge Connector as a decision support system to generate and document Molecular Tumor Board recommendations and support medical decision-making.

Atomic force microscopy is used to investigate the adsorption and organization of ions on charged surfaces. Trivalent ions adopt complex networks, clusters and layers associated with overcharging, whereas divalent ions follow classical predictions.

Instabilities in chiral plasmas can amplify electromagnetic waves, raising the question of whether chiral solids behave similarly. Now a magneto-chiral instability is demonstrated in tellurium, observed as growing terahertz emission after photoexcitation.

Changes in ocean fronts could impact biological productivity and carbon exchange. By analysing satellite and reanalysis data, the authors identify areas with active frontal activity and rapid change in properties, as well as highlighting the correspondence with surface productivity and CO₂ uptake.

Applications of optical laser-based techniques are limited by the long wavelengths of the lasers. Now, observations of phonons and thermal transport at nanometre length scales are reported with an all-hard X-ray transient-grating spectroscopy technique.

High-performance magnets are essential for energy conversion, but rare earth dependence and brittleness limit their use. Here, authors develop a rare earth-free magnet with enhanced magnetic and mechanical properties by introducing nano-lamellar structures via thermo-magnetic processing.

Fluorescence microscopy during CryoFIB milling produces an interferogram that can be used to direct lamella production to labeled structures with accuracy beyond the axial diffraction limit. The approach relies only on real-time feedback from the structure, requiring no image registration.

Taveneau et al. leverage artificial-intelligence-driven protein design to create inhibitors that control RNA-targeting enzymes in cells, revealing a strategy to rapidly design off-switches for RNA-editing systems.

Solving real-world optimization problems on analog Ising machines requires the use of external fields that bias individual spins. This work shows that the best performance is achieved using spin interactions proportional to the spin signs rather than their analog amplitudes.

The fabrication of a molecular quantum sensor on the tip of a scanning tunnelling microscope enables the detection of minute magnetic and electric fields of single atoms with sub-angstrom resolution.

Shallow NV centers in diamond are advantageous for quantum sensing but suffer from surface magnetic noise. Using first-principles simulations supported by experiments, the authors show that a combination of small magnetic fields and surface strain can significantly enhance spin coherence of 1 nm-deep NV centers.

Inspired by dynamic textural modulation in cephalopod skin, polymer films whose colour and surface texture can be dynamically and independently controlled are developed and demonstrated using standard electron-beam patterning tools.

Butyrophilin 2A2 is a member of the B7 costimulatory family that is expressed on antigen presenting cells and is linked to the regulation of T cells. Here the authors implicate butyrophilin 2A2 in enhancement of CD45 phosphatase activity within the immunological synapse during T cell activation, leading to expansion of regulatory T cells and reduction of proinflammatory Th17 CD4 T cells.

Ion diffusion region is an indicator of active magnetic reconnection, but it had not been detected in Jupiter’s magnetosphere previously. Here, the authors show a magnetic reconnection event in Jupiter’s inner magnetosphere that presents the detection of an ion diffusion region.

The formation of magnetic vortices such as skyrmions is hampered by the stochastic nature of thermal fluctuations. Here, the authors demonstrate that ultrafast dynamics in the initial stages of vortex formation can dominate the stochastic behaviour observed in the steady state.

The discovery of a vast reservoir of primordial neutral hydrogen gas surrounding a young galaxy cluster just one billion years after the Big Bang offers new insight into how the first large cosmic structures assembled.

This Resource paper presents a global SARS-CoV-2 phylogenetic tree of 4,471,579 high-quality genomes consistently constructed by Viridian, an efficient amplicon-aware assembler.

Despite a ban on ozone depleting substances, ozone depletion during cold winters in the Arctic stratosphere has been increasing in recent decades. Here, the authors show conditions favourable for Arctic ozone depletion could worsen as a response of stratospheric temperature and water to continued release of greenhouse gases.

The extreme hot and dry conditions of 2023 reduced soil respiration and enhanced net forest carbon sequestration in Canada, offsetting wildfire emissions, according to satellite-based and in situ observations of CO₂ fluxes.

The flagship paper of the ICGC/TCGA Pan-Cancer Analysis of Whole Genomes Consortium describes the generation of the integrative analyses of 2,658 cancer whole genomes and their matching normal tissues across 38 tumour types, the structures for international data sharing and standardized analyses, and the main scientific findings from across the consortium studies.

The Mid-Cayman Spreading Centre is an ultraslow-spreading mid-ocean ridge in the Caribbean. This study reveals two hydrothermal vent fields on the ridge, including high-temperature vents on an off-axis oceanic core complex where, similar to Mid-Atlantic vents, an alvinocaridid shrimp is common at both vent fields.

The authors create a distributed sensor array that achieves optical super-resolution without lenses, using computational synchronization to combine multiple sensors and expand imaging areas 16-fold beyond physical sensor dimensions.

Advances in electron microscopy are enabling ever smaller features to be probed, with the measurement of atomic electric fields standing as a major challenge. Towards that aim, Müller et al.present a simplified theoretical approach for enhancing the resolution in differential phase contrast microscopy.

This study applies magnetic fields in selected in-plane directions to disentangle the mechanisms underlying the anomalous Hall effect in a representative noncollinear antiferromagnet.

This Article details the methods used for rigorous assessment of disease interventions in a multicenter preclinical trial. Using stroke models as proof of concept, it offers adaptable protocols for any field requiring robust preclinical validation.

Navigation and trajectory planning in environments with background flow, relevant for robotics, are challenging provided information only on local surrounding. The authors propose a reinforcement learning approach for time-efficient navigation of a swimmer through unsteady two-dimensional flows.

EGFR inhibitors are standard of care in patients with EGFR-mutant non-small cell lung cancer (NSCLC) but resistance often develops. Here the authors report that the evolution of EGFR inhibitor resistance in EGFR-mutant NSCLC results in a sensitivity to the compound, MCB-613, and investigate the underlying mechanism of action.

Chan and colleagues report that tumor ecosystem and microbiome features are associated with response to anti-PD-L1 avelumab plus chemoradiotherapy in patients with locally advanced head and neck cancer.

Baird et al. present the phase 2 PIONEER trial findings on the antitumor activity of combining aromatase inhibitor letrozole with megestrol in postmenopausal women with operable estrogen-receptor-positive human epidermal-growth-factor-receptor-2-negative breast cancer.

Time-resolved drone imaging of potato crop development and seed tuber microbiome data can be used to predict potato vigour, or growth potential, in next-season crops in trial fields.

Photonic processors are limited by the bulkiness of discrete components and wiring complexity. An experiment now demonstrates a reprogrammable two-dimensional waveguide that performs neural network inference through multimode wave propagation.

Neurons that respond emergently to illusory contours drive pattern completion in V1. Pattern completion in lower cortical areas may therefore mediate perceptual inference by selectively reinforcing activity patterns that match prior expectations.