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Understanding how alkali doping promotes CO₂ electroreduction is challenging, as tracking proton transfer is difficult. Here, the authors report operando nuclear magnetic resonance spectroscopy reveals Li doping promotes a proton–electron relay from water, thereby boosting CO₂-to-formate conversion.

Recent studies have shown that the electronic properties of two-dimensional bismuth chalcogenides can be modified by chemical intercalation. Here, Yao et al. demonstrate that the optical transmission in bismuth chacogenide nanoplates can be tuned by intercalation of copper atoms.

Helical Dirac fermion states that emerge at the surface of topological insulators support a variety of exotic physical phenomena, but they disappear when a topological insulator becomes too thin. Wang et al.show that these states are recovered when ultrathin films are interfaced together.

Surface reconstruction during reactions often generates unique active sites that boost catalytic performance. Here, the authors show that supported Ni₃InC₀.₅ nanoparticles undergo CO₂-induced surface oxidation, forming defective In₂O₃₋ₓ layers and inverse In₂O₃₋ₓ/Ni interfaces during CO₂ hydrogenation.

This study introduces a detachable robotic hand that can detach from a manipulator, crawl to retrieve several objects, and reattach. A symmetric, reversible design enables grasping from both sides, bridging manipulation with autonomous mobility.

Fast reendothelialisation of vascular grafts is important for maintain patency. Here, the authors report on a vascular graft that regenerates the neo-adventitia with lymphatic endothelial cells, which increases the recruitment of circulatory progenitor cells, achieving 90% patency in small-diameter arterial grafts.

The authors develop a miniaturized Mg3Bi2-based thermoelectric cooler, achieving a high cooling power density of 5.7 W cm-2 and a cooling speed of 65 K s-1, demonstrating great promise for localized thermal management in electronics.

It is challenging to increase carrier mobility in n-type Mg₃(Bi,Sb)₂ due to grain-boundary scattering. Here, authors reported a facile growth of coarse-grained Mg₃(Bi,Sb)₂ crystals with high carrier mobility. The as-fabricated module shows cooling performance comparable to commercial Bi₂Te₃ module.

Two-dimensional (2D) bismuth oxyselenide crystals with suitable electronic band-gap and ultrahigh carrier mobility enable near-infrared photodetection. Here, the authors report an infrared photodetector based on 2D-bismuth oxyselenide with high responsivity, ultrafast photoresponse of ~ 1 ps at room temperature and a detectable frequency limit of up to 500 GHz.

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.

Intelectin-2 defends mucosal interfaces by crosslinking mucus and blocking microbial growth. This study reveals that mouse and human intelectin-2 recognizes galactose-rich glycans to bind and target diverse bacteria—uncovering a potent, dual-action lectin that shapes host–microbe balance.

The use of chalcogenide glasses in simple electronic devices, such as a p-n junction, is hindered by the lack of n-type material. Here, Hughes et al.demonstrate n-type doping of GeTe and GaLaSO amorphous films using bismuth-ion implantation.

Topologically protected hinge modes could be important for developing quantum devices, but electronic transport through those states has not been demonstrated. Now quantum transport has been shown in gapless topological hinge states.

This study reports six cryo-electron microscopy structures of a natural group II intron, uncovering backsplicing dynamics, auxiliary sequence roles and intron space critical for circular RNA (circRNA) formation. The findings might guide improvements in circRNA production for various applications.

Solving the interlayer charge transfer issue of Bi₃TiNbO₉ is crucial for overcoming its limitation in photocatalytic overall water splitting. Here, the authors introduced gradient doping to promote the separation and transfer of photogenerated charges and enhance the photocatalytic activity.

It is challenging to grow atomically thin non-van der Waals perovskites due to strong electronic coupling between adjacent layers. Here authors present the growth of perovskite single crystal nanosheets using a low supersaturation crystallisation strategy.

Analysis combining multiple global tree databases reveals that whether a location is invaded by non-native tree species depends on anthropogenic factors, but the severity of the invasion depends on the native species diversity.

Narrow linewidth lasers at visible wavelengths are crucial for quantum and atomic applications. Here, a visible Brillouin-quadratic microlaser was demonstrated with sub-kHz linewidth in an on-chip dispersion engineered lithium niobate microresonator.

This work develops an industrial-level CO₂ electrolysis system for formic acid production by constructing a proton exchange membrane electrolyzer with an acid-tolerant Bismuth metal-organic framework.

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.

Ferromagnetic systems rarely display a large or non-saturating magnetoresistance, due to the low Fermi velocity of the predominant charge carrier. Here, the authors show that MnBi, a ferromagnet, bucks this trend, showing both large and non-saturating magnetoresistance, and high charge carrier motilities.

Researchers demonstrate mode-determined unidirectional phonon emission on a heterogeneous integrated piezoelectric substrate and showcase a minimal frequency splitter based on this phenomenon.

The development of flexible thermoelectrics is limited by the low power factor and brittleness of materials. Here the authors present strategy to turn Bi₂Te₃-based single crystals into flexible films with staggered-layer structure while maintaining superior thermoelectric performance.

The Taiwan Precision Medicine Initiative recruited and genotyped more than half a million Taiwanese participants, almost all of Han Chinese ancestry, and performed comprehensive genomic analyses and developed polygenic risk score prediction models for numerous health conditions.

The residual methylammonium cation from additives compromises the operational stability of formamidinium lead iodide-based solar cells under thermal/light stress. Here, authors introduce MASCN to enhance film formation in ethyl acetate antisolvent and achieve efficiency of 26.1% for stable devices.

La-substitution in BiFeO₃ enables an electric field-driven conversion of a multi-domain into a single ferroelectric domain accompanied by a single variant spin cycloid. A single domain multiferroic generates 400% larger non-local inverse spin Hall voltage at the output.

Ethanol electrosynthesis from CO reduction is achieved using an oxygen-affinity-engineered copper alloy catalyst. Unlike conventional CO dimerization pathways, which yield diverse products, this catalyst selectively promotes the CO–CH_x coupling route, enabling selective ethanol production.

Major depressive disorder has been linked to peripheral immune dysfunction. Here, the authors identify elevated stem cell-like memory CD8⁺ T cells in patients and in a murine stress model show migration to the intestine via PPBP-CXCR2 and suggest gut CD8 cells modulate tyrosine metabolizing bacteria and homovanillic acid potentiating neuroinflammation and depressive phenotype.

Syt1 is a primary Ca²⁺ sensor for secretion but the function of non-Ca²⁺ -affinitive Syt11 remains unknown. Here, authors identify strong but Ca²⁺ -inhibited lipid affinity of Syt11, and a Syt11-1-11 inter-switch during excitation-coupled exo-endocytosis.

Variations in the valence states of nickel oxide hinder the growth of a uniform self-assembled monolayer (SAM). Here, authors develop a SAM with the oxidized product forming S−O−Ni bond at Ni³⁺-rich regions, achieving maximum device efficiency of 26.5% in operationally stable perovskite solar cells.

W. X. Zhao et al. study the higher-order topological insulator candidate Bi₄Br₄ by angle-resolved photoemission spectroscopy (ARPES) and ab-initio calculation. They provide strong evidence for the higher-order topological insulator phase, including a signature of the hinge states inside the (100) surface gap.

Stable free-standing two-dimensional Bi monolayer (Bismuthene) structures have been predicted theoretically, but never realized experimentally. Here, the authors show a large-scale synthesis of free-standing Bismuthene and its electrocatalytic activity for CO₂ reduction to formate.

Cyclopropane fuels offer high energy density but are hard to synthesize due to rigid structures. Here, a strain-engineered Cu/SWCNT catalyst enhances carbene formation, boosting conversion and selectivity for multi-cyclopropane fuel production from dienes.

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.

[6,6]-Phenyl-C₆₁-butyric acid methyl ester (PCBM), a star molecule in the fullerene field, has found wide applications in materials science. Here, the authors demonstrate the synthesis of buckyballs with fused-ring systems via electrosynthesis through radical α-C−H functionalization of the side-chain ester for both PCBM and its analogue.

By growing a topological insulator on top of a high-temperature superconducting substrate it is possible to induce superconductivity in the surface states of the topological insulator. Moreover, the pairing symmetry of the induced superconductivity is s-wave, unlike the d-wave symmetry of the substrate.

Although flexible thermoelectric materials based on conducting polymers are attractive for energy harvesting, their performance is inferior to their inorganic counterparts. Here, the authors present a facile method to deliver inorganic nanowire films with high power factor and flexibility.

Water and sediments in artificial reservoirs face increasing pollution from polycyclic aromatic hydrocarbons, and effective management depends on considering distinct chemical and regional patterns, according to analysis of a global dataset.

The mechanism for the enhanced piezoelectricity in (K,Na)NbO₃ based ceramics has not been fully understood. Here, the authors find that the dopants induced tetragonal phase and the accompanying high-density nanoscale heterostructures are responsible for the high dielectric and piezoelectric properties.

This research highlights the 3D printing of copper with tunable porosity via micro continuous liquid interface production and low-temperature sintering, forming 3D nanoporous networks with chemical reactivity and self-disintegration.

A new platinum(ii)-based emitter features suppressed intermolecular interactions, enhanced molecular rigidity and locally excited character, enabling narrowband blue phosphorescent OLEDs emitting at 464 nm with a full-width at half-maximum of 17.1 nm and an external quantum efficiency of 30.8% at a luminance of 1,000 cd m⁻².