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How site-specific tumor microenvironment (TME) drives the metastasis of high-grade serous ovarian cancer (HGSOC) remains unclear. Here, the authors employ an integrated single cell multi-omics approach to map the spatiotemporal heterogeneity of HGSOC metastasis TME and identify an interaction network within the TME driven by SELENOP⁺ macrophages and pre-exhausted CD8⁺ T cells.

Stone tools illustrate behavioural complexities in Middle Pleistocene hominin populations. Here, the authors present small dimensional flakes and hafted tools from Xigou, central China, dated to ~160–72 thousand years ago that demonstrate early, complex technological advancements.

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.

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.

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.

This work uncovers why traditional methods underestimate active site density in fuel cell catalysts. The researchers developed a novel in-situ acid-assisted method coupled with infrared spectroscopy to accurately quantify sites and elucidate their structure, validated across multiple catalysts.

Administrative-driven hierarchical management (ADHM) encourages general practitioners to act as voluntary gatekeepers in China’s non-mandatory medical system. Here the authors show that ADHM lowers cardiovascular events, mortality, and healthcare costs in atrial fibrillation patients compared with usual care.

A telomere-to-telomere gap-free pig genome assembly (T2T-pig1.0) for a Wuzhishan boar highlights Y chromosome structure and genomic regions potentially associated with body stature.

The authors conducted a genome-wide association study of bipolar disorder (BD) in Han Chinese and integrated PGC4 East Asian and European datasets, discovering 23 novel loci, prioritizing 39 credible risk genes and implicating BD-related cell types and druggable targets.

It is unclear how early-life urbanicity influences adult neurobehavioral traits. This study reveals that earlier menarche mediates the relationship between early-life urbanicity and adult neurobehavioral traits associated with mental disorders.

A cross-ancestry GWAS meta-analyses of brainstem structures identify 713 associations. It reveals shared/distinct genetic architectures across ancestries/substructures and overlaps with neuropsychiatric disorders and physiological functions.

Preliminary results from an investigator-initiated clinical trial showed that an AAV-OTOF gene therapy was safe and led to hearing improvements in ten patients with congenital deafness with 6–12 months of follow-up, including in a teenager and a young adult, expanding the age range from previous trials.

The biological clock model LifeClock predicts biological age across all life stages from routine clinical data, revealing distinct pediatric and adult disease risk patterns.

Optimizing the crystallization of the active materials in organic solar cells is challenging. Fu et al. use an acenaphthene additive to induce a two-step crystallization of the non-fullerene acceptor, achieving a certified 20.5% power conversion efficiency.

The authors report a computational framework for determining the meiotic/mitotic origin of nondisjunction (NDJ) in trisomies without parental data. Applying this to Down syndrome, they uncover links between NDJ error stage and leukemia genomics.

Vapour-phase methods are promising for nanomaterial synthesis but the vaporization of different precursors for the synthesis of a broad nanomaterial space is challenging. Here electrified vapour deposition generates ultrahigh-temperature, high-flux atomic vapour at atmospheric pressure to rapidly vaporize diverse precursors, enabling the synthesis of multi-elemental nanomaterials with uniform compositions and tunable structures.

An electron ptychography and energy-loss spectroscopy study of La₂PrNi₂O₇, a material that exhibits high-temperature superconductivity, is conducted.

This work presents MAPIT-seq, an antibody-guided RNA editing method that enables co-profiling of RBP-RNA interactions and gene expression at single-cell resolution and in tissue contexts.

A proteotoxic stress response specific to exhausted T cells, governed by AKT signaling and accompanied by increased protein translation, represents a mechanistic vulnerability and a new therapeutic target to improve cancer immunotherapies.

Diatomic catalysts show promise for the oxygen reduction reaction, but their complex kinetics hinder rational design. Here, the authors synthesize strongly bonded Fe-Co diatomic catalysts where Co acts as the main active site and Fe aids *OH adsorption, revealing a synergistic effect.

Universal control of the state of qubits on timescales much shorter than the coherence time is necessary for quantum computation. The authors demonstrate electrical control of a charge qubit in quantum dots on the picosecond scale, which is orders of magnitude faster than previously reported.

The microbial RNA-guided CRISPR/Cas9 system has robust genome-editing activities, but the off-target effects of the Cas9 nuclease have only recently begun to be analysed. Here the authors provide evidence for high specificity of the Cas9 nuclease on targeting of the Tafazzin gene in human-induced pluripotent stem cells and demonstrate the impact of single-nucleotide variations of the human genome on Cas9 specificity.

Dirac semimetals have been proposed as parent materials for other topologically non-trivial phases such as Weyl semimetals, achieved by the breaking of time reversal symmetry. Here the authors use transport measurements to evidence such behaviour in single crystal Cd₃As₂under an applied magnetic field.

Sustainable end-of-life management strategies for fibre-reinforced plastics are urgently needed from a sustainability perspective. Here the authors develop a solvent-free flash upcycling method, enabling ultrafast and efficient upcycling of fibre-reinforced plastics to fulfil such a need.

The development of gold catalysis is restricted by its high redox potential, and the introduction of strong oxidants to overcome this is accompanied by poor functional group compatibility. Here electrochemical oxidation is used to control gold valence changes, showing excellent compatibility with a wide range of active functional groups and bio-additives.

Low-frequency quasiperiodic oscillations in X-ray data are thought to trace the accretion flow in X-ray binaries. Here, the detection of 200 keV oscillations probes the innermost regions of MAXI J1820+070, revealing the precession of a small-scale jet.

Acute lymphoblastic leukemias (ALL) with an ETV6::RUNX1 fusion comprise the largest subtype of this cancer, and their optimal treatment strategy remains unclear. Here, the authors perform genomic profiling of 194 ETV6::RUNX1-rearranged pediatric ALL cases, finding two molecular subtypes associated with distinct drug sensitivities.

Polyploidy and subsequent post-polyploid diploidization (PPD) contribute to evolutionary success of plant species. Here, using 11 genomes from all nine subfamilies of Malvaceae as an example, the authors provide evidence to support the “polyploidy for survival and PPD for success” hypothesis.

Single-atom Fe–N–C catalysts are the most promising alternative to Pt-group metal catalysts for the cathodic oxygen reduction reaction in fuel cells, but while the chemical environment of their active centres is well understood, their electronic structure remains elusive. Now, using molecular model catalysts, a high-spin trivalent FeN₄ site with an axial hydroxyl ligand is identified as the active site in Fe–N–C catalysts.

The primary challenge in commercializing perovskite solar cells stems from the fragile and moisture-sensitive nature of perovskite materials. Here, authors propose a multi-functional asynchronous cross-linking strategy and achieve high-performance and stable devices with mere 0.30 voltage deficit.

Axial chirality is found in many important compounds, such as bioactive molecules and catalytic components. Now palladium and chiral norbornene cooperative catalysis is reported for the construction of atropisomeric biaryls and chiral fluorenols.

The authors reveal a complex polarization network in twisted bilayer h-BN, featuring edge polarization topology and sliding ferroelectricity, driven by the interplay of ferroelectric and piezoelectric effects.

The feasibility of satellite-assisted quantum communication is demonstrated by a field test on the ground. To supress noise due to sunlight the wavelength of 1,550 nm is chosen, and spectrum and spatial filtering technology developed.

Chemotherapeutic agents and immune checkpoint inhibitors have shown modest efficacy in patients with advanced biliary tract cancers (BTCs). Here the authors report the results of a phase II trial of the anti-PD1 antibody sintilimab plus chemotherapy (gemcitabine and cisplatin) as first-line treatment for patients with advanced BTCs.

Copper-based organic light-emitting diodes are low-cost alternatives to precious metal-based counterparts. Here, the authors develop copper(I) thermally activated delayed fluorescent emitters with colors spanning from blue to near infrared, and achieve device lifetime close to 3700 h at 1000 cd/m².

Different mechanisms for generating antibody diversity have evolved since the emergence of immunoglobulin genes in jawed vertebrates. By sequencing the crocodilian immunoglobulin heavy-chain locus, Chenget al. uncover new insights into the evolutionary origins of adaptive immunity.

The development of non-halogen solvent processed all-small-molecule organic solar cells was challenging. Here, the authors employ a small molecule donor with strong aggregation property to improve molecular pre-aggregation in tetrahydrofuran, realizing ternary device with efficiency of 16.1%.