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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.

Pangenomic and epidemiological analyses reveal a genetic shift in U.S. Salmonella Hadar populations during 2019–20, driven by expansion of a lineage carrying a prophage-like element that likely arose in commercial poultry and spread to backyard flocks.

Tests of the predictions of the renormalization group in biological experiments have not yet been decisive. Now, a study on the collective dynamics of insect swarms provides a long-sought match between experiment and theory.

Quantum simulations of the phase diagram of quantum chromodynamics faces hard challenges, such as having to prepare mixed states and enforcing the non-Abelian gauge symmetry constraints. Here, the authors show how to solve the two above problems in a trapped-ion device using motional ancillae and charge-singlet measurements.

Climate change can alter when and how animals grow, breed, and migrate, but it is unclear whether this allows populations to persist. This global study shows that shifts in seasonal timing are key to helping vertebrate species maintain population growth under global warming.

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.

Affinity-proteomics platforms often yield poorly correlated measurements. Here, the authors show that protein-altering variants drive a portion of inter-platform inconsistency and that accounting for genetic variants can improve concordance of protein measures and phenotypic associations across ancestries.

Microbial mutualists could affect plant population persistence under climate change. Here the authors show that fungal endophytes contribute to the population persistence of a grass species by ameliorating drought stress but are more likely to disappear locally under climate variability.

Using survey data from 3,560 hospitals across the USA, AI implementation is shown to be spatially heterogeneous, influenced by the local context and institutional characteristics.

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.

Hund’s exchange interaction energy in two-dimensional materials is challenging to extract from experiments. Now, this is achieved in rhombohedral graphene, which allows an estimate of the interactions that drive the variety of correlated states in this material.

Water-vapor interfaces have been studied with many techniques, yet open questions persist about their electronic and molecular structure. Here, the authors demonstrate the application of soft x-ray second harmonic generation to study the water surface by leveraging attosecond pulses at the LCLS and a flat liquid sheet microjet, providing insights on the H-bond structure.

In a randomized controlled trial that included 97 participants, 69% patients with Crohn’s disease (CD) allocated to a fasting-mimicking diet (FMD) achieved clinical response, and over 60% reached remission, outperforming the control group. The FMD also reduced markers of intestinal inflammation, suggesting this dietary intervention could serve as adjunctive treatment for CD.

Active galactic nuclei are surrounded by a dusty and molecular disk that fuels supermassive black holes and connects them to their host galaxies. Here, the authors show with JWST interferometric observations that most of the dust in the Circinus galaxies lies in a compact disk, while only a tiny fraction traces hot outflowing material.

The analysis of the energy spectrum of 36 million tritium β-decay electrons recorded in 259 measurement days within the last 40 eV below the endpoint challenges the Neutrino-4 claim.

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.

The emission of entangled photon pairs from layered materials is attractive for quantum applications, but its observation in monolayers has remained elusive. Here, the authors report co- and counter-propagating photon pair emission in the telecom range from monolayer GaSe and the observation of high-fidelity Bell states in the counterpropagating configuration.

An integrated optical parametric amplifier on thin-film lithium niobate achieves more than 17 dB gain with less than 200 mW input power.

Cholinergic interneurons act at nicotinic receptors to depress dopamine release, interrupting its relationship to dopamine neuron firing and supporting an inverse scaling of dopamine release according to cholinergic activity.

Data obtained from the MicroBooNE liquid-argon time projection chamber are used to exclude the single light sterile neutrino interpretation of the LSND and MiniBooNE anomalies at the 95% confidence level.

This study identifies key neurocognitive domains that distinguish patients with schizophrenia from healthy individuals using machine learning. Analyzing data from 1,304 participants, it demonstrates that verbal learning and emotion identification effectively classify conditions, promoting efficient neurocognitive profiling strategies.

Each valley of the mini-Brillouin zone ("mini valley") of twisted bilayer graphene (TBG) contains two Dirac cones that hybridize to form flat bands. Theory predicts that these two Dirac cones have the same chirality, leading to topological obstruction. Here, the authors confirm this prediction experimentally.

This study finds that native tree extinctions and alien naturalizations are pushing forests towards fast-growing, resource-demanding species. This global shift could affect carbon storage and ecosystem stability, highlighting the need to protect slow-growing trees.

Generating highly squeezed states for quantum sensing requires precise entanglement properties, which makes it a hard task. Now a conjecture identifies a realistic regime of magnetic order at finite temperatures that enables scalable spin squeezing.

This study associates p53 loss and brain metastasis in breast cancer. Mechanistically, p53-null tumors recruit astrocytes that provide substrates for enhanced fatty acid synthesis via upregulated SCD1 expression, representing a targetable axis in the disease.

Researchers studied the blood-based metabolome of over 23,000 people from ten ethnically diverse cohorts. They identified 235 metabolites associated with future risk of type 2 diabetes (T2D). By integrating genetic and modifiable lifestyle factors, their findings provide insights into T2D mechanisms and could improve risk prediction and inform precision prevention.

Radical Fe^II/α-ketoglutarate-dependent halogenases are powerful biocatalysts for C–H functionalization. Here, the authors reveal the mechanistic basis for chemoselectivity in a lysine halogenase.

Tree ectomycorrhizal colonization in aridity regions is supported by microbial cooperation, where bacteria attach to fungal hyphae and reduce inhibitory soil metabolites, suggesting a microbiome-based strategy for tree restoration.

Enhancing utilization of single atoms is crucial but challenging in electrocatalysis. Here, the authors present a surfactant-assisted freezecasting method to optimize nanocarbon micro- and macrostructures, achieving near-100% site utilization and enhancing single-atom catalyst performance.

Cosgun et al. show that, in B cell leukemia, β-catenin expression is maintained at low levels through glycogen synthase kinase 3B (GSK3β)-mediated phosphorylation. Inhibition of GSK3β results in β-catenin–Ikaros–NuRD complex formation, leading to B-ALL cell death through MYC repression.

Soil microorganisms play a crucial role in maintaining ecosystem functioning across diverse environments. This study shows that soil properties and specific microbial taxa jointly shape ecosystem functioning across European soils.

An ensemble of spins from nitrogen–vacancy centres in diamonds is prepared in a spin-squeezed state.

Insulin signaling plays a crucial role in coordinating skeletal development with whole‑body energy metabolism. Here, the authors use phosphoproteomics to show insulin-signaling rewiring in aged, insulin-resistant bone and identify defective phosphorylation of AFF4 as a key mechanism for regulating gene-specific transcriptional activation.

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.

Mapping of the neutrophil compartment using single-cell transcriptional data from multiple physiological and patological states reveals its organizational architecture and how cell state dynamics and trajectories vary during health, inflammation and cancer.

Developing an understanding of a material’s magnetic behaviour based on neutron scattering measurements often relies on extracting an effective spin model. Samarakoon et al. demonstrate an automated machine learning approach to this problem, leading to more robust inferences from complex data.

This study shows that oxygen-vacancy planar defects greatly enhance polarization in (Bi, Na)TiO₃-based thin films via local flexoelectric effects, enabling strong performance and thermal stability for low-power electronic applications.

“This randomized controlled trial in adults with central obesity found that high-intensity interval training, performed once or thrice weekly, reduced body fat mass compared with control, highlighting the benefits of “weekend warrior” interventions.”

Embryonic patterning requires generation of positional information that defines where cells reside within the embryo. Here, Azambuja, Rothstein and colleagues report that the epigenome is spatially patterned during early development, showing that chromatin organization reflects the embryo’s emerging body plan.

Researchers find that whether a person is first vaccinated or first infected with COVID-19 influences their antibody and T-cell responses, offering new insights into how hybrid immunity develops and protects over time.

Quantum computing platforms allowing quantum error correction usually rely on complex redundant encoding within multiple two-level systems. Here, instead, the authors realize a CNOT gate between two qubits encoded in the multiphoton states of two microwave cavities nonlinearly coupled by a transmon.

ALMA has captured exquisitely detailed images of bowshock shells in the outflow of an outbursting protostar. These provide important insights into the variable nature of the ejections from protostars, which play a key role in star and planet formation.

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.

The intrusion of relatively warm water is causing the recent rapid thinning of the Dotson ice shelf, West Antarctica. Here, the authors analyzed two-years of mooring data from the Dotson ice shelf front and found that seasonal variability of the ocean circulation and ocean surface stress are the main causes of variability in heat transport.

In a prospective study involving 579,583 women in multiple sites across the USA, a multistage AI-driven workflow for digital breast tomosynthesis mammograms assisted radiologists in identifying 21.6% more cancers with respect to historical data, showing no significant variation across socio-demographic and breast density subgroups.

The prevalence of Alzheimer’s disease neuropathological changes is reported based on blood-based biomarkers in a Norwegian population-based cohort.