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Intracellular siRNA delivery is key for RNAi therapy. Here, the authors report on bioengineered nanovesicles with tumour cell-targeting and enzyme-activated membrane fusion functions for efficient cytosolic siRNA delivery to knockdown oncogenes, leading to effective tumour gene therapy.

The Einstein Probe has discovered a fast X-ray transient, EP240414a, associated with a broad-lined type Ic supernova. Its unusually soft spectrum and weak jet add to the diversity of stellar deaths and suggest a previously unknown Wolf–Rayet star explosion mechanism.

Indian dwarf wheat (Triticum sphaerococcum) is thermotolerant, but the underlying mechanism is unclear. Here, the authors report the cloning of the heat tolerance gene encoding a STKc_GSK3 kinase and its variation affects phosphorylation level of downstream TaPIF4 in determining thermotolerance.

Metabolic processes lead to the production of bioactive gases, such as nitric oxide, which may play roles in the gut immune homeostasis. Here authors show that genomic deletion of Nos2 in mice aggravates colitis in experimental models via an Aryl-Hydrocarbon-Receptor-mediated pathway in type 3 innate lymphoid cells.

Olinger, Banarjee et al. use several proteomic approaches to profile the senescent monocyte secretome and identify senescence-associated circulating proteins that associate with age- and obesity-related phenotypes in two independent aging studies.

Rashan, Bartlett and colleagues show that mammalian 4-hydroxy fatty acids are primarily catabolized by ACAD10 and ACAD11 (atypical mitochondrial and peroxisomal acyl-CoA dehydrogenases, respectively) that use phosphorylation in their reaction mechanisms.

Copper-catalyzed asymmetric propargylic substitution of α-tertiary propargylic electrophiles using hydrazines and hydroxylamines can access multifunctional α-tertiary hydrazines or hydroxylamines. Here the authors use a sterically confined pyridinebisoxazolines to improve yields and enantioselectivity, supported by NMR analysis and theoretical calculations.

Bioluminescence imaging with enhanced sensitivity, resolution and dynamic range is enabled by a camera based on quanta image sensor technology in combination with a dedicated unconventional microscope design. The capabilities of the QIScope are demonstrated in live imaging of extracellular vesicles or low-abundance proteins.

The mechanism through which auxin regulates chilling tolerance remains unclear. Here, the authors discover a negative regulator of chilling tolerance in japonica rice, which encodes an ABCB transporter with auxin efflux function, and show its potential to increase indica rice chilling tolerance.

Catalytic methods to introduce fluorine into the backbone of small-ring heterocycles are challenging due to the problems of strain-induced ring cleavage and defluorination. Now, a copper catalyst mediates insertion of an in situ-generated difluorocarbene into oxygen heterocycles, affording ring-expanded fluorinated pharmacophores. Experimental and computational studies provide insights into the mechanism.

Hong-Xuan Lin, Ji-Ping Gao, Jun-Xiang Shan and colleagues show that natural variation in a proteasome α2 subunit gene contributes to thermotolerance in African rice. Their follow-up studies suggest that the variant allele protects cells from heat stress by enhancing the elimination of cytotoxic denatured proteins and maintaining heat-response processes.

Three-dimensional (3D) reconstruction from computed tomography could significantly contribute to guiding lung cancer surgery, but requires comprehensive clinical validation. Here, the authors test the effectiveness of an AI-driven 3D reconstruction system for lung cancer surgery in a retrospective, multi-center, multi-reader, multi-case study.

Resource scarcity and associated trade risks will limit China’s comprehensive energy transition; even with possible material substitution, the contribution of wind and solar power will be far from expected, yielding a big gap of carbon reductions.

Using a single strategy to make a number of related intermediates is a useful strategy in the total synthesis. Here, the authors report the synthesis of a number of natural products, employing two diastereomerically complementary metal-catalyzed cyclizations as the key step to access a number of frameworks.

Zinc(I) bimetallic clusters have previously been reported, but they are not stable in air. Here, the authors synthesize octametallic Zinc(I) clusters with multi-centred zinc–zinc bonds and extensive electron delocalization over the cluster, resulting in cubic aromaticity and enhanced stability.

Purifying C₂H₂ by removing trace CO₂ is needed but challenging due to their analogous physical properties. Herein, the authors report the pilot-scale production of a commercial resin adsorbent loaded with polyethyleneimine for the selective capture of CO₂ traces and exclusion of C₂H₂.

Cui et al. report analogue photoelectronic reservoir computing with IGZO synaptic transistors as the reservoir and TaOX-based memristor array as the output layer. A receptive field inspired encoding scheme is implemented to simplify the feature extraction for dynamic vision processing.

In this phase 3 trial, first-line treatment of patients with recurrent or metastatic head and neck squamous cell carcinoma with anti-PD-1 finotonlimab plus cisplatin plus 5-fluorouracil (C5F) prolonged overall survival compared with placebo plus C5F.

Worldwide, the number of only-child families is increasing. This research examines how growing up without siblings affects adult brain structure, function and connectivity, cognition, personality and mental health.

While Bell inequalities have been violated several times—mostly in photonic systems—their violations within particle physics experiments are less explored. Here, the BESIII Collaboration showcases Bell-violating nonlocal correlations between entangled hyperon pairs.

The oxidative intermolecular amination of C-H bonds represents a straightforward method to construct aliphatic allylic amines. However, the utilization of widely available internal alkenes remains a synthetic challenge. Here, the authors present a regioselective Cu-catalyzed oxidative allylic C-H amination of internal olefins with azodiformates.

The development of three-dimensional (3D) covalent organic frameworks (COFs) with novel topologies is of both fundamental and practical interest but the construction of highly crystalline 3D COF remains challenging. Here, the authors report highly crystalline 3D COFs with pto and mhq-z topologies by rationally selecting rectangular-planar and trigonal-planar building blocks with appropriate conformational strains.

The positive electrode/electrolyte interface is crucial for the performance of all-solid-state lithium batteries. Here, authors use a sintering technique to form a conformal interface between high-entropy disordered rock salt electrodes and garnet-type electrolytes to reduce interfacial resistance.

Although complexes with monatomic zero-valent main group centers have been reported, diatomic zero-valent complexes are rare, and previously reported examples were stabilized by either carbene or silylene ligands. Here, the authors report the isolation of a diatomic E(0)-E(0) (E = Sn, Pb) species supported by two [N{CH₂CH₂NPⁱPr₂}₃Sn] fragments.

A large electronic display textile that is flexible, breathable and withstands repeated machine-washing is integrated with a keyboard and power supply to create a wearable, durable communication tool.

A Z-type ZnO@COF heterostructure composite with excellent piezoelectric properties was synthesized for the piezocatalytic uranium extraction from seawater, helping to realize efficient uranium extraction by wave energy

Neural Perturbational Inference is an approach for estimating effective connectivity, in which virtual perturbations to a surrogate brain allow gaining insights into human brain functions.

Enantioenriched α-disubstituted α-ethynylamines are valuable synthons to chiral α-tertiary amines and azacycles, but their facile access remains challenging. Now, sterically confined pyridinebisoxazoline ligands have been developed to facilitate highly enantioselective Cu(I)-catalysed propargylic amination of both aliphatic and aryl ketone-derived propargylic carbonates to give α-tertiary ethynylamines. Related tandem sequences are reported to synthesize quaternary azacycles.

Oxidative carbonylation using CO/O₂ is an attractive strategy to construct carbonyl compounds, but the explosive limit of the gas mixture hampers its application. Now, this safety issue is overcome in the aminocarbonylation of alkynes by replacing the external oxidant O₂ by electrochemistry facilitating a mild and safe reaction.

Socioeconomic status is multidimensional and can change over time. Xu, Lui, Ji et al. found dimension-specific, late-stage-specific and change-specific socioeconomic effects on brain, cognition, personality and emotion.

The electrochemical coupling of NO₃⁻ and CO₂ to produce urea using entangled iron porphyrins embedded in three-dimensional covalent organic frameworks is reported. The spatial localization of twin iron sites overcomes the unordered transfer of intermediates, enabling carbon–nitrogen coupling.

Perovskite solar cells have been limited by the use of relatively expensive organic compounds as hole-transporting materials. Here, Qin et al.use an inorganic hole conductor, CuSCN, in a lead halide perovskite solar cell and achieve power conversion efficiencies as high as 12.4%.

Cross-ancestry and sex-stratified genome-wide association analyses for 21 amygdala volumetric traits in East Asian and European individuals provide insight into the genetic architectures of amygdala and subnucleus volumes.

The synthesis of ionic olefin linked threedimensional covalent organic frameworks (3D COFs) is challenging because of the difficulties in forming stable carbon-carbon double bonds. Here, the authors report a general synthesis of an ionic sp² carbon linked COFs and demonstrate selective capture of ReO₄⁻ ions.

Absorption and accumulation of atmospheric microplastics by plant leaves occurs widely in the environment.

Survival prediction models used in healthcare usually assume that training and test data share a similar distribution, which is not true in real-world settings. Cui and colleagues develop a stable Cox regression model that can identify stable variables for predicting survival outcomes under distribution shifts.

This study reveals that cholecystokinin-positive neurons in the spinal trigeminal nucleus respond to mechanical vibrissae stimuli and send inputs to the superior colliculus, which are critical for predatory hunting behaviour.

Overcoming the suppressive tumor microenvironment (TME) is crucial to improving the efficacy of cancer therapy. Here the authors show that, in mouse cancer models, administration of exogenous IL-16 establishes a Th1-dominant TME via regulation of glutamine catabolism and triggers a Th1 cell-macrophage crosstalk, enhancing anti-tumor immune responses and the efficacy of immunotherapy.

Propylene and propane have similar physicochemical properties, and thus their separation is challenging. Now, as an alternative to energy-intensive cryogenic distillation methods, a molecular sieving adsorbent with high propylene adsorption capacity has been shown to sieve propylene from propylene/propane mixtures to yield high-purity propylene.