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Avian influenza jumped from wild birds into dairy cattle. Here, the authors report that two mutations in the viral polymerase helped the virus to quickly adapt to cattle. Mutations increased the polymerase activity and made the virus better at replicating in human cells.

In a study of four brain-dead human decedents, extracorporeal liver cross-circulation using genetically modified pig livers provides essential hepatic functions, supporting the feasibility of this approach for temporary liver support as a bridge to organ transplantation.

Circadian clock in adipocytes maintains metabolic health by regulating mitochondrial complex I respiration.

This study applies generalized linear mixed models (GLMM) and advanced transcriptome wide association study (TWAS) methods to improve the discovery of colorectal cancer risk transcription factors and genes, including potential druggable targets.

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.

The low conductivity of LiF disturbs Li⁺ diffusion across solid electrolyte interphase (SEI) and induces Li⁺ transfer-driven dendritic growth. Herein, the authors establish a mechanistic model to decipher how the SEI affects realistic Li plating in high-fluorine electrolytes.

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.

Mercury’s exosphere is known to predominately contain hydrogen, helium, sodium, potassium, calcium, magnesium, aluminum, iron, and manganese. Here, the authors show evidence of the presence of lithium (Li) in the exosphere of Mercury, most likely originating from meteoroids.

It is unclear whether the harsh abiotic conditions of drylands hinder biological invasions. This global analysis shows that drylands are vulnerable to non-native plants and are likely to become more so as native plant diversity declines and grazing pressure intensifies.

Solid-state electrolyte reduction and Li dendrite growth limit the stability of all-solid-state Li metal batteries. Here the authors show that reductive electrophiles gain electrons and metal cations from metal–nucleophile materials on contact, allowing the electrochemical formation of a dense, electron-blocking film that improves the stability of both the anode and high-voltage cathode.

A cost-effective all-in-one halide cathode material with high energy density and exceptional cycling stability can be used to achieve energy-dense, durable cathodes for the next generation of all-solid-state batteries.

Polymer thin films that emit and absorb circularly polarised light are promising in achieving important technological advances, but the origin of the large chiroptical effects in such films has remained elusive. Here the authors demonstrate that in non-aligned polymer thin films, large chiroptical effects are caused by magneto-electric coupling, not structural chirality as previously assumed.

An electrolyte design using small-sized fluoroacetonitrile solvents to form a ligand channel produces lithium-ion batteries simultaneously achieving high energy density, fast charging and wide operating temperature range, desirable features for batteries working in extreme conditions.

Liu et al. report Chinese normative lifespan brain charts showing later neurodevelopmental milestones than those detected in Western cohorts. Individual deviations from these norms are valuable in assessing clinical risk and outcomes.

Aqueous and non-aqueous Li-based electrolyte solutions have narrow electrochemical stability windows, which hinder the operation of batteries at high cell potentials. Here, to circumvent this limitation, the authors propose the combined use of tailored aqueous and non-aqueous electrolyte solutions in various Li-based cell configurations.

Antigen presentation in skull bone marrow by hematopoietic stem and progenitor cells induces myelopoiesis and generates CD4⁺ regulatory T cells in a mouse model of ependymoma, promoting immune tolerance. Treatment with anti-GM-CSF antibody has antitumor effects that are augmented by immunotherapy.

Functional studies of O-GlcNAcylation have often focused on individual modifications. Now, a systems-level approach has identified simultaneous O-GlcNAcylation events that coordinate cellular activities and tissue-specific functions.

Understanding collective behaviour is an important aspect of managing the pandemic response. Here the authors show in a large global study that participants that reported identifying more strongly with their nation reported greater engagement in public health behaviours and support for public health policies in the context of the pandemic.

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.

Single-particle tracking experiments in intact cells reveal dynamic co- and post-translational interactions of the TRiC–PFD chaperonin complex with client proteins during in vivo protein folding.

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.

Compositional tuning is a standard procedure to improve the ionic conductivity of inorganic superionic conductors. Here, the authors report (electro)chemical stable composite halide solid electrolytes applying a nanostructure approach that promotes interfacial superionic conductivity.

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.

Keshishian, Mischler et al. report that a recurrent automatic speech recognition system aligns closely with brain organization: model layers map to distinct cortical regions and naturally learn to encode a parallel progression from acoustic to phonetic, lexical and semantic content.

Ideal anode materials for Li-ion capacitors must demonstrate safety and fast-charging properties. Here, the authors propose intercalated metal-organic frameworks for fast-charging Li-ion capacitors using a combined machine learning design and spray-dry synthesis.

Materials with variable and reversible thermal conductivities are important in technologies, and yet such materials are rare. Here, Cho et al. report in situmeasurements of thermal conductivity of lithium cobalt oxide, and show how to reversibly modulate thermal conductivities over a considerable range.

When senescent cells accumulate during adulthood they negatively influence lifespan and promote age-dependent changes in several organs; clearance of these cells delayed tumorigenesis in mice and attenuated age-related deterioration of several organs without overt side effects, suggesting that the therapeutic removal of senescent cells may be able to extend healthy lifespan.

Si-based all-solid-state batteries face application challenges due to the requirement of high external pressure. Here, authors prepare a double-layered Si-based electrode by cold-pressing and electrochemical sintering that enables all-solid-state batteries operating free from external pressure.

This research identifies two neural factors linked to externalizing and internalizing symptoms through a longitudinal imaging-genetic cohort. Distinct neural configurations and cognitive-behavioral relevance highlight the need for tailored therapeutic strategies addressing psychiatric comorbidity across developmental stages.

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.

Zeng et al. analyzed cfDNA methylation and fragmentomic data from 1,294 patient plasma samples across 14 major cancer types to present a comprehensive landscape of pancancer and cancer-specific cell-free DNA methylation and fragmentomic features.

Strongly enhanced optical nonlinearities and an ultrafast transition from coherent to incoherent polariton excitations are demonstrated by coupling an atomically thin WS₂ layer to a plasmonic nanostructure using ultrafast multidimensional spectroscopy.

Engineering of bacterial outer membrane vesicles to express anti-PD-L1 antibody and plasmids encoding the CAR target antigen boosts CAR-T therapeutic efficacy in solid tumours.

Energy density and cyclability are often a trade-off for lithium-ion batteries. The authors develop cobalt- and nickel-free cathodes with both good cycling stability and high energy density through the integration of polyanion units into rocksalt structures.

Single-crystal alloy thin films (SATFs) are appealing for applications in crystal epitaxy, surface catalysis, and energy conversion. Here, the authors report a method to synthesize wafer-scale binary and ternary SATFs with sub-nanometer roughness, which can be used as substrates for the growth of high-quality graphene single crystals.

¹³⁴Ce and ¹³⁴La have great potential as companion diagnostic isotopes for radiotherapeutics labelled with α-emitting ²²⁵Ac and ²²⁷Th. Now, by controlling the Ce^III/Ce^IV redox couple, the large-scale production, purification and characterization of ¹³⁴Ce- and ¹³⁴La-based radiolabels has been achieved and their use for in vivo positron emission tomography is demonstrated.

Extracting lithium from alternative aqueous sources becomes crucial in meeting increasing lithium demand. Here, authors design an economically feasible electrochemical process that achieves selective lithium extraction from geothermal brine and finally produce battery grade lithium hydroxide.

Sabatino and colleagues examine expanded CD8⁺ T cell clonotypes from a small cohort of multiple sclerosis patients. They identified several cognate peptide epitopes that derive from Epstein–Barr virus, suggesting EBV reactivation may drive pathogenesis in these patients.

The development of superior and cost-effective catalysts for the oxygen reduction and evolution reactions is pivotal for the future hydrogen economy. Now a series of Ru-modified Li₂MnO₃ catalysts have been designed to optimize the electronic structure and achieve a high performance in both oxygen reduction and evolution reactions, as demonstrated in practical anion exchange membrane fuel cell and water electrolyser tests.

Inspired by how neurons in the brain communicate, Spiking Neural Networks are gaining attention as efficient models for solving spatiotemporal AI tasks. The authors introduce a training method for synaptic delays, improving accuracy on benchmark tasks while being faster and more efficient.

Vortex dynamics and mutual friction in quantum fluids are intimately connected to the fundamental properties of superfluids. Here, the authors reveal previously unexplored mechanisms underlying the mutual friction coefficients in ultracold Fermi superfluids in the unitary limit, suggesting bound quasiparticles within the vortex core play a significant role.

Recent liquid electrolyte advancements have achieved dendrite-free Li plating, but Li corrosion remains an issue. Here the authors propose an electrolyte solution to minimize Li corrosion, enabling high-energy-density Li-metal batteries.

Genomic analyses of DNA from modern individuals show that, about 800 years ago, pre-European contact occurred between Polynesian individuals and Native American individuals from near present-day Colombia, while remote Pacific islands were still being settled.

The Akt-mTOR axis influences cell activation, differentiation and metabolism. Jordan and colleagues show that thymic and inducible T_H17 cells exhibit different requirements for mTORC1 and mTORC2 as well as Akt isoforms.

The hepatitis B virus surface protein recognizes host entry receptor via its intrinsically disordered peptide. The authors reveal the dynamic process of the viral surface protein that involves a stepwise binding maturation for establishing high affinity and specific virus-receptor entry complex.

González-Gualda, Reinius et al. demonstrate that platinum-based chemotherapy-induced senescence promotes malignancy in ovarian and lung cancer via TGFβ ligands, with evidence in mouse models validated in clinical samples. Concomitantly blocking TGFβ signaling with chemotherapy reduces tumor burden and increases survival in mice.

The development of anode-free batteries requires fundamental investigations at the current collector/electrolyte interface. Here, the authors report an atomically defective carbon current collector to improve the electrochemical behaviour of an anode-free Li-based cell.

An integrated photonics scheme is presented for the manufacture of communication systems supporting the use of fibre and wireless infrastructures simultaneously, addressing the long-standing bandwidth mismatch between the two domains and demonstrating ultrahigh data rates.

Genome-wide analyses in the Norwegian HUNT study with replication in Swedish and Finnish cohorts identify host genetic variants associated with gut microbiome features and provide evidence of a causal effect of body mass index on gut microbiota composition.