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Fibers derived from non-silk proteins hold potential for various biomedical applications, but mechanically-balanced and highly-biocompatible regenerated protein fibers are elusive. Here, the authors report an entanglement-reinforced strategy to fabricate keratin/albumin bio-fibers that show high strength and toughness, along with favorable biocompatibility, degradability and immunocompatibility.

Keypoint-MoSeq is an unsupervised behavior segmentation algorithm that extracts behavioral modules from keypoint tracking data acquired with diverse algorithms, as demonstrated in mice, rats and fruit flies. The extracted modules faithfully reflect human-annotated behaviors even though they are obtained in an unsupervised fashion.

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.

The poor structural stability of cathode materials is responsible for the rapid capacity loss of sodium-ion batteries during cycling. This work addresses the instability by introducing vacancies into the transition metal layers and realize long-life pouch cells.

A hybrid analogue–digital quantum simulator is used to demonstrate beyond-classical performance in benchmarking experiments and to study thermalization phenomena in an XY quantum magnet, including the breakdown of Kibble–Zurek scaling predictions and signatures of the Kosterlitz–Thouless phase transition.

Resonant X-ray excitation of the  ⁴⁵Sc nuclear isomeric state was achieved by irradiation of a Sc-metal foil with 12.4-keV photon pulses from a state-of-the-art X-ray free-electron laser, allowing a high-precision determination of the transition energy.

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.

A long- and short-read barley pan-transcriptome assembled from 20 diverse barley genotypes offers insights into genotype- and tissue-dependent gene expression and function.

Time-resolved measurements of the X-ray photoemission delay of core-level electrons using attosecond soft X-ray pulses from a free-electron laser can be used to determine the complex correlated dynamics of photoionization.

An electron and a hole trapped in the same quantum dot couple together to form an exciton. Conventionally the hole involved is a heavy hole. Light-hole excitons are now observed by applying elastic stress to initially unstrained gallium arsenide-based dots. The quasiparticles are identified by their optical emission signature, and could be used in future quantum technologies.

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.

The formation of organelles was a pivotal point in eukaryotic evolution. Here they show that Archaea possess Arf-like GTPases that can perform key organelle-producing mechanisms when expressed in a eukaryotic cell, laying the foundation for the evolution of endomembrane organelles.

Zhu and colleagues show that a subpopulation of spleen-derived fibroblasts secrete Gremlin 1, which suppresses chronic myeloid leukemia progression by inducing leukemia stem cell apoptosis through the BMP signaling pathway.

Chromatin interactions and genome architecture are key regulators of gene expression. Here the authors present Bridge-Linker-Hi-C to map active chromatin loops and enhancer-promoter interactions.

This paper shows that nano-enabled dehydrogenation catalysis in biological systems induces a domino effect, including reductive stress, immunosuppression and tumour metastasis.

The integration of oxide nanoelectronics with silicon platforms is a necessary step for the fabrication of ultrahigh-density devices. Here, the authors grow a LaAlO₃/SrTiO₃interface directly on silicon, and show the reversible creation of a two-dimensional electron gas confined within nanowires located on the surface.

Magnetic reconnection is a fundamental energy release process taking place in various astrophysical environments, but it is difficult to observe it directly. Here, the authors provide evidence of three-dimensional magnetic reconnection in a solar eruption using combined perspectives of two spacecraft.

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.

A three-dimensional metal stamp can be used to selectively exfoliate two-dimensional materials, allowing the remaining material to be patterned into two-dimensional arrays without leaving chemical or polymer residues.

Insight-HXMT detected a double-peaked X-ray burst from Galactic magnetar SGR J1935+2154, consistent with two fast radio bursts (FRBs) observed from the same object within seconds. This coincidence suggests a common physical origin, and gives insight into the mechanism behind the origin of FRBs.

The underlying mechanism of lithium dendrite penetration through ceramic electrolytes is debated. Here, authors employ MD simulations to enable atomic-scale investigation in the process of dendrite penetration and the concurrent development of cracks during solid state lithium battery operation.

Viral pathogen load in cancer genomes is estimated through analysis of sequencing data from 2,656 tumors across 35 cancer types using multiple pathogen-detection pipelines, identifying viruses in 382 genomic and 68 transcriptome datasets.

Some cancer patients first present with metastases where the location of the primary is unidentified; these are difficult to treat. In this study, using machine learning, the authors develop a method to determine the tissue of origin of a cancer based on whole sequencing data.

SEAM is a platform for the analysis of high-resolution secondary ion mass spectrometry imaging that allows spatially resolved nuclear metabolomic profiling at the single-cell level.

The European X-ray FreeElectron Laser Facility generates ultrashort hard X-ray pulses with megahertz repetition rate. Here, the authors probe the dynamics of dense antibody protein (Ig-PEG) solutions using megahertz X-ray photon correlation spectroscopy at the European XFEL.

The origin of superconductivity enhancement in FeSe monolayer grown on SrTiO₃ compared to bulk FeSe is still a debated issue. Here, Shi et al. report a further 15 K jump of T_c accompanying a second Lifshitz transition triggered by electron doping in FeSe/SrTiO₃monolayer films.

Single-phase high-entropy alloys, such as CrMnFeCoNi, display excellent ductility and fracture toughness. Here, the authors use in situ mechanical loading in an aberration-corrected transmission electron microscope to probe the atomistic to micro-scale mechanisms underlying these properties.

The mechanical properties of nanoporous gold are tied to their topology and surface morphology. Here, a correlative and scale-bridging approach, combining non-destructive 3D tomography, mechanical testing and experimentally-informed modelling, reveals the origins of the size dependent deformation mechanisms.

Limited by challenges in light-atom imaging, microscopic investigations of ferroelectricity have used cation–cation displacements as a proxy for the true cation–anion distortions. Using electron ptychography, oxygen anions can be tracked to observe an otherwise-hidden ferroelectric mechanism in thin-film NaNbO₃, which would have appeared antiferroelectric from cations alone.

Continuous shape morphing for small robots can offer advantages, but it is difficult to perform tasks if they are not stiff enough. Xu et al. present here a design combining liquid crystal elastomers and shape memory polymers to lock morphable elements in place.

The existence and properties of tetraquark states with two heavy quarks and two light antiquarks have been widely debated. Here, the authors use a unitarized model to study the properties of an exotic narrow state compatible with a doubly charmed tetraquark.

Quantum gates in 2D ion crystals are more challenging than in 1D. Here, the authors use their 2D ion trap platform and acousto-optical deflectors to demonstrate a 2-qubit gate that can stand the ion micromotion in such configuration.

Release of the Damage-Associated Molecular Pattern ATP determines the immunogenic features of apoptosis, but the regulatory mechanisms are unclear. Here, the authors describe a pathway that inhibits ATP emission from dying cells to prevent immunogenicity.

The ultrathin oxide nanosheets obtained through previous approaches usually exhibit amorphism or polycrystallinity, which limit their properties towards electronic devices. Here, the authors synthesize ultrathin antimony oxide single crystals with high dielectric constant (~100) and large breakdown voltage (~5.7 GV m⁻¹).

Using spin-entangled baryon–antibaryon pairs, the BESIII Collaboration reports on high-precision measurements of potential charge conjugation and parity (CP)-symmetry-violating effects in hadrons.

A consensus cell type atlas for the fly brain provides both an intellectual framework and open-source toolchains for brain-scale comparative connectomics.

Two types of amyloid-β protein (1–42) (Aβ₄₂) fibrils are known to form in the insoluble fraction of diseased human brains. Now, another type of Aβ₄₂ fibril (type III) has been identified in the soluble fraction of Alzheimer’s disease brain using cryo-electron microscopy. These studies also reveal differences in ligand–fibril interactions between fibril types.

Genomic profiling of tumours can help tailer treatments to the patient, however, it often fails to accurately predict therapeutic outcomes. Here, the authors combine molecular and functional characterisation via BH3 profiling to identify therapeutically targetable vulnerabilities in glioma.

Recently, signatures of quantum spin liquid have been reported in monolayer transition metal dichalcogenides. Here the authors report evidence of such state in 1T-NbSe₂ via the measurements of the Kondo effect in a 1T-1H heterostructure, further supported by measurements for magnetic molecules on 1T-NbSe₂.

Oxide memristors exhibit noise in excess of 2–4 orders of magnitude above the baseline at quantized conductance states. Here, the authors measure anomalous electrical noise at these states in tantalum oxide memristors and relate it to thermally-activated atomic fluctuations by numerical simulations.

The most up-to-date combination of results on the properties of the Higgs boson is reported, which indicate that its properties are consistent with the standard model predictions, within the precision achieved to date.

Recently, superconductivity near 80 K was observed in La3Ni2O7 under high pressure, but the mechanism is debated. Here the authors report angle-resolved photoemission spectroscopy measurements under ambient pressure, revealing flat bands with strong electronic correlations that could be linked to superconductivity.

Researchers have demonstrated the generation and control of subfemtosecond pulse pairs from a two-colour X-ray free-electron laser and conducted pump–probe experiments in core-ionized molecules.

Catenanes can exhibit chirality even when their component rings are achiral. Here an isostructural desymmetrization strategy is developed, demonstrating that two achiral rings, each featuring two mirror planes and a two-fold axis of symmetry, can form a catenane with tuneable mechanical chirality.

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.

Heusler compounds have been predicted to host topological order with other emergent properties, which yet awaits for experimental evidence. Here, Liu et al. report a direct observation of topological surface states on half-Heusler compounds LnPtBi.

Previously documented record values of the fusion triple product in the stellarator Wendelstein 7-X are shown to be evidence for reduced neoclassical energy transport in this optimized device.

Effectively delivering medications to the renal tubule to delay or halt chronic kidney disease progression remains a significant unmet clinical challenge. Here, authors introduce an innovative strategy for renal tubule targeting using biomimetic high-density lipoprotein (bHDL) nanoparticles.

A magnetoresistance effect that occurs in a platinum layer deposited on a magnon junction consisting of two insulating magnetic yttrium iron garnet layers separated by an antiferromagnetic nickel oxide spacer layer could be used to create spintronic and magnonic devices that are free from Joule heating.