Article 16 February 2024 | Open Access Rejuvenation as the origin of planar defects in the CrCoNi medium entropy alloy High and medium-entropy alloys have shown excellent mechanical performance, yet the role of short-range order (SRO) on these properties has been unclear. Here, the authors demonstrate that the reduction of SRO by deformation leads to rejuvenation, explaining their remarkable damage tolerance. Yang Yang, Sheng Yin & Andrew M. Minor Article 16 February 2024 | Open Access Vascular network-inspired fluidic system (VasFluidics) with spatially functionalizable membranous walls Functional features in the spatiotemporal regulation of blood chemistry are not much explored. Here authors show vascular network-inspired fluidics, functionalizable for different region-specific trans-wall transport to regulate fluids over space and time. Yafeng Yu, Yi Pan & Ho Cheung Shum Article 16 February 2024 | Open Access Accessing ladder-shape azetidine-fused indoline pentacycles through intermolecular regiodivergent aza-Paternò–Büchi reactions Conformationally rigid 3D molecules are of high interest. Here the authors develop intermolecular aza-Paternò-Büchi reactions to access ladder-shape azetidine-fused indoline pentacycles with excellent regiodivergency and stereoselectivity. Jianjian Huang, Tai-Ping Zhou & Fangrui Zhong Article 16 February 2024 | Open Access Integrating hydrogen utilization in CO2 electrolysis with reduced energy loss Electrochemical CO2 reduction is a promising method of producing sustainable chemicals and fuels, yet is highly energy intensive. Here, the authors couple CO2 electrolysis with hydrogen oxidation using a Ni(OH)2/NiOOH auxiliary electrode to enhance energy efficiency. Xiaoyi Jiang, Le Ke & Ning Yan Article 16 February 2024 | Open Access Characterization of A π–π stacking cocrystal of 4-nitrophthalonitrile directed toward application in photocatalysis Photoexcitation of the electron-donor-acceptor (EDA) complexes are an effective approach to achieve radicals by triggering electron transfer but the catalytic version of EDA complex photoactivation remains underdeveloped. Here, the authors introduce 4-nitrophthalonitrile as an electron acceptor to facilitate π-stacking with electron-rich aromatics to form EDA complexes. Ting Xue, Cheng Ma & Rong Zeng Article 16 February 2024 | Open Access Photooxidation driven formation of Fe-Au linked ferrocene-based single-molecule junctions Metal-metal interfaces hold promise as contacting moieties for single-molecule devices with tunable functionality, yet the direct bonding has remained a challenge. Here, Lee et al. report the formation of Fe-Au bond without chemical ligand support in ferrocene-based molecular junctions. Woojung Lee, Liang Li & Latha Venkataraman Article 16 February 2024 | Open Access A general supramolecular strategy for fabricating full-color-tunable thermally activated delayed fluorescence materials Thermally activated delayed fluorescence materials with full-colour tunability are desirable but challenging to prepare. Here, the authors report a method for preparing such materials through the design of host-guest cocrystals with through-space charge transfer. Nan Xue, He-Ye Zhou & Chuan-Feng Chen Article 16 February 2024 | Open Access Continuous synthesis of high-entropy alloy nanoparticles by in-flight alloying of elemental metals High-entropy alloy nanoparticles (HEA-NPs) have emerged as new materials in various fields, but their scalable synthesis still remains a challenge. Here, the authors report an ultrafast, one-step method for the continuous synthesis of HEA-NPs based on the thermal plasma jet technology. Keun Su Kim, Martin Couillard & Yu Zou Article 16 February 2024 | Open Access Difficulty in chirality recognition for Transformer architectures learning chemical structures from string representations There has been limited research on how NLP models comprehend diverse chemical structures despite its popularity. Here, the authors examine the learning process of Transformer for chemical structures and show inherent issues for chirality recognition. Yasuhiro Yoshikai, Tadahaya Mizuno & Hiroyuki Kusuhara Article 16 February 2024 | Open Access Chiral active particles are sensitive reporters to environmental geometry There hasn’t been much experimental attention to the interaction of chiral active particles with complex environments. Chan et al. propose an interesting granular particle system based on natural plant seeds to examine the transport of chiral active matter in complex surroundings. Chung Wing Chan, Daihui Wu & Rui Zhang Article 16 February 2024 | Open Access Ultrabroadband high-resolution silicon RF-photonic beamformer The Authors report a novel architecture of photonic beamformer capable of achieving broadband operation and a high number of pointing angles. We demonstrate the operation of a 5-bit beamformer capable of providing 32 pointing angles in the 10−30 GHz range. Pablo Martinez-Carrasco, Tan Huy Ho & José Capmany Article 16 February 2024 | Open Access Facilitating alkaline hydrogen evolution reaction on the hetero-interfaced Ru/RuO2 through Pt single atoms doping Exploring an active and cost-effective catalyst for alkaline hydrogen evolution reaction remains elusive to date. Here, the authors report the platinum single-atoms doped ruthenium/ruthenium oxides showing distinctly enhanced catalytic performance. Yiming Zhu, Malte Klingenhof & Jiwei Ma Article 16 February 2024 | Open Access Low-frequency vibrational density of states of ordinary and ultra-stable glasses Power-law scaling of low-frequency vibrational density of states is widely observed in glassy materials, yet the value of scaling exponents remains controversial. Here, Xu et al. identify two scaling exponents by separating stable from unstable glass to reconcile the debate in the literature. Ding Xu, Shiyun Zhang & Ning Xu Article 16 February 2024 | Open Access Durable Janus membrane with on-demand mode switching fabricated by femtosecond laser Janus membranes are highly valued for their unique water unidirectional transportation capabilities. Here, authors report an on-demand mode-switching strategy that significantly enhances the durability of the Janus membrane. Zehang Cui, Yachao Zhang & Yanlei Hu Article 16 February 2024 | Open Access Deep photonic network platform enabling arbitrary and broadband optical functionality An efficient and physically accurate platform is required to rapidly design high-performance integrated photonic devices. Here, the authors present a scalable framework for creating on-chip optical systems with complex and arbitrary functionality. Ali Najjar Amiri, Aycan Deniz Vit & Emir Salih Magden Article 16 February 2024 | Open Access Phase-engineered synthesis of atomically thin te single crystals with high on-state currents Phase engineering of 2D tellurium could enable potential applications for (opto-)electronic devices. Here, the authors report the phase- and thickness-controlled synthesis of α-Te nanosheets and β-Te nanoribbons, showing their application for the realization of short-channel transistors. Jun Zhou, Guitao Zhang & Junpeng Lu Article 16 February 2024 | Open Access Giant electrostriction-like response from defective non-ferroelectric epitaxial BaTiO3 integrated on Si (100) Lead-free piezoelectric materials with large electromechanical responses are important for nano electromechanical systems devices. Here the authors defect engineer Si integrated BaTiO3 to enhance the electromechanical response and report a large electrostrictive response at frequencies <10 kHz. Shubham Kumar Parate, Sandeep Vura & Pavan Nukala Article 16 February 2024 | Open Access A microfluidic platform integrating functional vascularized organoids-on-chip Vascularization remains a significant challenge in organoid technology. Here, the authors develop a microfluidic platform that enhances organoid growth, function and maturation, by establishing functional perfusable vascular networks. Clément Quintard, Emily Tubbs & Xavier Gidrol Article 16 February 2024 | Open Access An ultrasensitive and broadband transparent ultrasound transducer for ultrasound and photoacoustic imaging in-vivo Transparent ultrasound transducers suffer from practical limitations due to acoustic impedance mismatch. By using a transparent adhesive based on silicon dioxide epoxy, the authors demonstrate a broadband, ultrasensitive transparent ultrasound transducer, advancing the possibilities of sensor fusion. Seonghee Cho, Minsu Kim & Chulhong Kim Comment 15 February 2024 | Open Access Fudging the volcano-plot without dredging the data Selecting omic biomarkers using both their effect size and their differential status significance (i.e., selecting the “volcano-plot outer spray”) has long been equally biologically relevant and statistically troublesome. However, recent proposals are paving the way to resolving this dilemma. Thomas BurgerComment 15 February 2024 | Open Access Fudging the volcano-plot without dredging the data Selecting omic biomarkers using both their effect size and their differential status significance (i.e., selecting the “volcano-plot outer spray”) has long been equally biologically relevant and statistically troublesome. However, recent proposals are paving the way to resolving this dilemma. Thomas Burger Article 15 February 2024 | Open Access Integrated microcavity electric field sensors using Pound-Drever-Hall detection Here the authors develop a chip-scale thin-film lithium niobate microcavity electric field sensor enabling real-time amplitude and phase measurements of various electric field waveforms. Xinyu Ma, Zhaoyu Cai & Rong Zeng Article 15 February 2024 | Open Access Endotaxial stabilization of 2D charge density waves with long-range order Stabilizing charge density wave states in low-dimensional systems is challenging. Here, the authors stabilize an ordered incommensurate charge density wave at elevated temperatures via endotaxial synthesis of TaS2 polytype heterostructures, where charge density wave layers are encapsulated within metallic layers. Suk Hyun Sung, Nishkarsh Agarwal & Robert Hovden Article 15 February 2024 | Open Access Structured information extraction from scientific text with large language models Extracting scientific data from published research is a complex task required specialised tools. Here the authors present a scheme based on large language models to automatise the retrieval of information from text in a flexible and accessible manner. John Dagdelen, Alexander Dunn & Anubhav Jain Article 15 February 2024 | Open Access Tunable templating of photonic microparticles via liquid crystal order-guided adsorption of amphiphilic polymers in emulsions The role of polymers in stabilizing liquid crystal (LC)-water interfaces is well studied but how the LC affects stabilizers is not fully explored yet. Here, Ma et al. show that amphiphilic polymers change their behavior when the LC is heated towards its transition to the isotropic state, and propose that this is due to an entropic repulsion active at low temperatures where the orientationally ordered LC restricts the mobility of the flexible polymer chains. Xu Ma, Yucen Han & Jan P. F. Lagerwall Article 15 February 2024 | Open Access Ca-dimers, solvent layering, and dominant electrochemically active species in Ca(BH4)2 in THF Alternatives to lithium-ion electrochemistry present challenges due to undesirable phenomena at the electrode-electrolyte interface. Through simulations, the authors find that the performance of a calcium-based electrolyte is driven entirely by molecular-scale processes within approximately 1 nm of the electrode. Ana Sanz Matias, Fabrice Roncoroni & David Prendergast Article 15 February 2024 | Open Access Crystal-chemical origins of the ultrahigh conductivity of metallic delafossites Certain delafossite materials are the most conductive oxides known, for poorly understood reasons. This work elucidates this finding by uncovering a sublattice purification mechanism that enables ultrapure conductive planes even in impure crystals. Yi Zhang, Fred Tutt & Chris Leighton Article 15 February 2024 | Open Access Reconstitution of early paclitaxel biosynthetic network Paclitaxel is an important anticancer drug whose biosynthetic pathway reconstruction is hindered by the propensity of heterologously expressed pathway cytochromes P450, including taxadiene 5α-hydroxylase (T5αH), to form multiple products. Here, the authors tune the promoter strength for T5αH expression in Nicotiana plants to increase the levels of paclitaxel precursor taxadien-5α-ol by three-fold and reconstitute the six step early biosynthetic pathway of paclitaxel. Jack Chun-Ting Liu, Ricardo De La Peña & Elizabeth S. Sattely Article 15 February 2024 | Open Access Non-volatile electrical polarization switching via domain wall release in 3R-MoS2 bilayer Sliding ferroelectricity occurs in stacks of van der Waals materials. Depending on the particular stacking, the system can host a spontaneous polarization, and under an applied electric field, polarization domain walls will propagate transverse to the electric field. Here, Yang et al use an optical approach to directly observe this sliding of domain walls in bilayer MoS2. Dongyang Yang, Jing Liang & Ziliang Ye Article 15 February 2024 | Open Access Nonlinear topological symmetry protection in a dissipative system Applications of spontaneous symmetry breaking are hindered by unavoidable imperfections. Here, the authors reveal how a phase defect provides topological robustness to this process, enabling a bias free realization without fine tuning of parameters. Stéphane Coen, Bruno Garbin & Julien Fatome Article 15 February 2024 | Open Access High-spin Co3+ in cobalt oxyhydroxide for efficient water oxidation Regulating spin state of metal cations in catalysts is recognized as a strategy to improve water oxidation. Herein, the authors constructed high-spin cobalt ions in cobalt oxyhydroxides, experimentally demonstrating accelerated electron transfer ability and thereby superior water oxidation performance. Xin Zhang, Haoyin Zhong & Junmin Xue Article 15 February 2024 | Open Access Computational redesign of a hydrolase for nearly complete PET depolymerization at industrially relevant high-solids loading The application of the LCC variant of polyethylene terephthalate (PET) hydrolase for industrial degradation of PET has been hindered by the 10% of nonbiodegradable PET. Here, the authors use a computational strategy to engineer TurboPETase which outperforms other PETase variants and achieves nearly complete depolymerization of the postconsumer PET bottles at a high, industrially relevant, level of solids loading. Yinglu Cui, Yanchun Chen & Bian Wu Article 15 February 2024 | Open Access Electrocatalytic water oxidation with manganese phosphates Understanding water oxidation on Mn-based catalysts remains a long-standing challenge. Here, the authors use homologous KMnPO4 and KMnPO4•H2O as model catalyst to show that Mn(V)=O is responsible for O−O bond formation and its concentration determines the intrinsic activity. Shujiao Yang, Kaihang Yue & Wei Zhang Article 15 February 2024 | Open Access Dynamics of activation in the voltage-sensing domain of Ciona intestinalis phosphatase Ci-VSP Understanding the molecular basis of voltage-sensing is of great importance in biology. Here, the authors use computational analysis and simulations to reveal atomic level insights into the mechanism of an isolated voltage-sensing domain. Spencer C. Guo, Rong Shen & Aaron R. Dinner Article 15 February 2024 | Open Access Experimental study on chorus emission in an artificial magnetosphere Plasma created in laboratory are useful to understand the properties of atmospheric and space plasma. Here the authors report a laboratory plasma experiment in a dipole magnetic field to show the excitation of chirping whistler waves, i.e. chorus emission. Haruhiko Saitoh, Masaki Nishiura & Zensho Yoshida Perspective 14 February 2024 | Open Access Performance metrics to unleash the power of self-driving labs in chemistry and materials science Assessing the performance of self-driving labs (SDLs) is challenging due to the specificities of each experiment. In this Perspective, the authors review recent literature of SDLs for materials science and chemistry and suggest how to report SDL performance more effectively. Amanda A. Volk & Milad Abolhasani Article 14 February 2024 | Open Access Sequential stacking link prediction algorithms for temporal networks Link prediction in temporal networks is relevant for many real-world systems, however, current approaches are usually characterized by high computational costs. The authors propose a temporal link prediction framework based on the sequential stacking of static network features, for improved computational speed, appropriate for temporal networks with completely unobserved or partially observed target layers. Xie He, Amir Ghasemian & Peter J. Mucha Article 14 February 2024 | Open Access Three dimensional classification of dislocations from single projections Many material properties are governed by the internal dislocation network within the material. Here, the authors describe a method to determine the three dimensional position and type of dislocations from a measurement along only a single direction within a scanning transmission electron microscope. Tore Niermann, Laura Niermann & Michael Lehmann Article 14 February 2024 | Open Access Intrinsic dichroism in amorphous and crystalline solids with helical light Differential absorption of polarized light, called dichroism, does not exist in amorphous solids due to the disordered arrangements of atoms. Here, the authors demonstrate that dichroism is intrinsic to all solids and can be controlled using helical light beams carrying orbital angular momentum. Ashish Jain, Jean-Luc Bégin & Ravi Bhardwaj Article 14 February 2024 | Open Access Cross-catenation between position-isomeric metallacages The study of cross-catenated metallacages could provide facile insights into achieving more precise control over low-symmetry/high-complexity hierarchical assembly systems but is currently lacking. Here, the authors report a cross-catenane formed between two position-isomeric Pt(II) metallacages in the solid state. Yiliang Wang, Taotao Liu & Jun Li Article 14 February 2024 | Open Access Hierarchical Li electrochemistry using alloy-type anode for high-energy-density Li metal batteries Utilizing an ultra-thin Li anode with a thickness below 50 μm is crucial for enhancing the energy density of batteries. Here, the authors develop a finely tunable, thin alloy-based Li anode that features a hierarchical Li electrochemistry, enabling stable cycling and superior energy density in Li metal batteries. Jiaqi Cao, Yuansheng Shi & Xia Lu Article 14 February 2024 | Open Access Iodide manipulation using zinc additives for efficient perovskite solar minimodules Interstitial iodides are the most critical type of defects in perovskite solar cells that limits efficiency and stability. Here, the authors introduce small amount of zinc trifluoromethane sulfonate to control iodide defects, facilitating fabrication of minimodules with efficiencies of over 19%. Md Aslam Uddin, Prem Jyoti Singh Rana & Jinsong Huang Article 14 February 2024 | Open Access Giant electric field-induced second harmonic generation in polar skyrmions Electric modulation of second harmonic generation finds applications in integrated photonics. Here, authors introduce electric field-induced second harmonic generation by polar skyrmions in PbTiO3/SrTiO3 superlattices with giant modulation depth. Sixu Wang, Wei Li & Qian Li Article 14 February 2024 | Open Access Heavy fermions vs doped Mott physics in heterogeneous Ta-dichalcogenide bilayers Recent experiments reported the Kondo effect in 1H/1T dichalcogenide hetero-bilayers. Crippa et al. re-examine this interpretation using ab initio calculations and dynamical mean-field theory demonstrating strong charge transfer sensitive to the interlayer separation, indicative of a doped Mott insulator regime. Lorenzo Crippa, Hyeonhu Bae & Roser Valentí Article 14 February 2024 | Open Access Ripples in the bottom of the potential energy landscape of metallic glass Little is known about how the states in glass are connected to each other. Here, the authors perform molecular dynamics simulation of relaxation in a prototypical metallic glass to show that the energy barriers separating these states are very low, and even be overcome by quantum fluctuations. Leo Zella, Jaeyun Moon & Takeshi Egami Article 14 February 2024 | Open Access Resolving the topology of encircling multiple exceptional points When multiple oscillators are tuned, degeneracies occur on a knot-shaped region in the space of tuning parameters. This knot influences how such systems can be tuned. Here, the authors reconcile two common means for visualizing this influence. Chitres Guria, Qi Zhong & Jack Gwynne Emmet Harris Article 14 February 2024 | Open Access Biporous silica nanostructure-induced nanovortex in microfluidics for nucleic acid enrichment, isolation, and PCR-free detection Efficient enrichment and isolation of pathogens are crucial for accurate and sensitive disease identification. Here, the authors present a chip equipped with biporous nanofilms that induces a nanovetex in a microfluidic channel for nucleic acid enrichment, isolation, and detection. Eunyoung Jeon, Bonhan Koo & Joonseok Lee Article 14 February 2024 | Open Access Navigating the 16-dimensional Hilbert space of a high-spin donor qudit with electric and magnetic fields Qudits, higher-dimensional analogues of qubits, expand quantum state space for information processing using fewer physical units. Here the authors demonstrate control over a 16-dimensional Hilbert space, equivalent to four qubits, using combined electron-nuclear states of a single Sb donor atom in Si. Irene Fernández de Fuentes, Tim Botzem & Andrea Morello Article 14 February 2024 | Open Access β-Variational autoencoders and transformers for reduced-order modelling of fluid flows Reduced-order models provide better understanding for complex spatio-temporal dynamics of fluid flows with high numbers of degrees of freedom and non-linear interactions. The authors propose a variational autoencoder and transformer framework for learning the temporal dynamics of the nonlinear reduced-order models relevant for fluid dynamics, weather forecasting, and biomedical engineering. Alberto Solera-Rico, Carlos Sanmiguel Vila & Ricardo Vinuesa Article 14 February 2024 | Open Access Modeling early pathophysiological phenotypes of diabetic retinopathy in a human inner blood-retinal barrier-on-a-chip Here the authors develop perfusable inner blood-retinal barrier-specific microvascular networks with human primary retinal microvascular cells. They show that chronic diabetic stimulation leads to the generation of early hallmarks of diabetic retinopathy, including pericyte and capillary dropout, ghost vessels, and inflammation. Thomas L. Maurissen, Alena J. Spielmann & Héloïse Ragelle Article 14 February 2024 | Open Access Operando investigation of the synergistic effect of electric field treatment and copper for bacteria inactivation The overuse of chemicals in our disinfection processes has warranted the development of alternatives. Here, authors use a lab-on-a-chip device to study and observe the synergistic effects of electric field treatment and copper for inactivation of bacteria with promising applications in many fields. Mourin Jarin, Ting Wang & Xing Xie Article 14 February 2024 | Open Access Elastic porous microspheres/extracellular matrix hydrogel injectable composites releasing dual bio-factors enable tissue regeneration Injectable pro-regenerative biomaterials are vital for developing minimally invasive regenerative treatment, but impeded by brittleness and lack of biological functions. Here the authors address these issues by engineering injectable functionalized composites that facilitate the sequential release of IL-4 and IGF-1 to regulate macrophages and stem cell behavior for enhanced in situ regeneration. Yi Li, Siyang Liu & Meifeng Zhu Article 13 February 2024 | Open Access Coordination-induced O-H/N-H bond weakening by a redox non-innocent, aluminum-containing radical Coordination-induced bond weakening (CIBW) by redox-active metals is used to weaken bonds in water and ammonia to facilitate proton-coupled electron transfer but achieving CIBW using aluminium as abundant metal is challenging. Here, the authors report a system that uses aluminum with a redox non-innocent ligand to achieve CIBW of O-H and N-H bonds. Soumen Sinhababu, Roushan Prakash Singh & Neal P. Mankad Article 13 February 2024 | Open Access Spin-EPR-pair separation by conveyor-mode single electron shuttling in Si/SiGe Electron charge and spin shuttling is a promising technique for connecting distant spin qubits. Here the authors use conveyor-mode shuttling to achieve high-fidelity transport of a single electron spin in Si/SiGe by separation and rejoining of two spin-entangled electrons across a shuttling distance of 560 nm. Tom Struck, Mats Volmer & Lars R. Schreiber Article 13 February 2024 | Open Access In-situ formatting donor-acceptor polymer with giant dipole moment and ultrafast exciton separation Donor-acceptor polymers have potential for application in photocatalysis, but often harsh synthetic conditions are required. Here, the authors report a post-synthetic method for conversion to donor-acceptor states, to give a polymer capable of enhancing photocatalytic hydrogen peroxide synthesis. Chang Cheng, Jiaguo Yu & Mietek Jaroniec Article 13 February 2024 | Open Access The effect of echoes interference on phonon attenuation in a nanophononic membrane Coherent scattering of phonons in a periodic nanostructure leads to interference, which modifies phonon energies. Here, authors observed that a strong interference effect also influences phonon lifetime. Despite its reduction, energy transport is conserved thanks to a hopping of energy among the reflected waves. Mohammad Hadi, Haoming Luo & Valentina M. Giordano Article 13 February 2024 | Open Access Tough double network hydrogels with rapid self-reinforcement and low hysteresis based on highly entangled networks Tough hydrogels commonly utilise energy dissipation mechanisms, but this can lead to challenges in achieving low hysteresis. Here, the authors report a hydrogel with a highly entangled double network that allows reversibility following stretching. Ruixin Zhu, Dandan Zhu & Xinling Wang Article 13 February 2024 | Open Access Real-time tracking of coherent oscillations of electrons in a nanodevice by photo-assisted tunnelling The authors demonstrate that the collective electron oscillations driven by light in a quantum nanodevice can be measured directly in the time domain, by recording the photo-assisted tunnelling currents using the technique of homodyne beating. Yang Luo, Frank Neubrech & Manish Garg Article 13 February 2024 | Open Access Decoupled electrolysis for hydrogen production and hydrazine oxidation via high-capacity and stable pre-protonated vanadium hexacyanoferrate Decoupled electrolysis with the aid of a redox mediator offers great flexibility in operation. Here, the authors construct a decoupled electrolysis system for separate hydrogen production and electricity generation to achieve flexible energy conversion and storage using renewables. Fei Lv, Jiazhe Wu & Yubin Chen Article 13 February 2024 | Open Access Neuromorphic electro-stimulation based on atomically thin semiconductor for damage-free inflammation inhibition Bao et al. report a neuromorphic bionic electro-stimulation solution based on atomic-scale semiconductor floating-gate memory circuit, which enables efficient inhibition of acute inflammation with low stimulation currents that are damage-free to neurons. Rong Bao, Shuiyuan Wang & Shen Liu Article 13 February 2024 | Open Access Dual-color emissive OLED with orthogonal polarization modes The authors present a switchable dual colour orthogonal linear polarized OLED by internally integrating a nanograting for selective diffraction of optical modes, which is appealing for applications including polarisation-encrypted colourful optical images and autostereoscopic naked-eye 3D displays. Ruixiang Chen, Ningning Liang & Tianrui Zhai Article 13 February 2024 | Open Access Microenvironment reconstitution of highly active Ni single atoms on oxygen-incorporated Mo2C for water splitting The comprehensive understanding of complex catalytic mechanisms under harsh reaction conditions for efficient bifunctional single-atom electrocatalysts remain challenging. Here the authors found microenvironment reconsitution of highly active Ni single atoms on oxygen-incorporated Mo2C for water splitting. Mengyun Hou, Lirong Zheng & Chen Chen Article 13 February 2024 | Open Access Miniaturized and untethered McKibben muscles based on photothermal-induced gas-liquid transformation Traditional McKibben pneumatic artificial muscles are limited by connecting devices, preventing remote control and miniaturization. Here, Ai et all., report a miniaturized McKibben artificial muscle, filled by a low-boiling liquid actuated by light. Wenfei Ai, Kai Hou & Kai Song Article 13 February 2024 | Open Access The structure of tyrosine-10 favors ionic conductance of Alzheimer’s disease-associated full-length amyloid-β channels The structural basis of membrane permeabilization by Alzheimer’s disease-related amyloid β (Aβ) peptides is elucidated. Membrane insertion of tyrosine-10 supports the most effective ionic conductance of the full-length Aβ1-42 compared to other isoforms. Abhijith G. Karkisaval, Rowan Hassan & Suren A. Tatulian Article 13 February 2024 | Open Access Structural and mechanistic characterization of bifunctional heparan sulfate N-deacetylase-N-sulfotransferase 1 Heparan sulfate biosynthesis is a complex process involving multiple reactions that extend and modify the polysaccharide. Here, the authors resolve structures of NDST1, responsible for the critical N-sulfoglucosamine modification of heparan sulfate. Courtney J. Mycroft-West, Sahar Abdelkarim & Liang Wu Article 12 February 2024 | Open Access Optical Tellegen metamaterial with spontaneous magnetization Here the authors propose an isotropic three-dimensional metamaterial with nonreciprocal magnetoelectric resonant responses at visible and mid-infrared frequencies. The proposed metamaterials do not require external magnetization. Shadi Safaei Jazi, Ihar Faniayeu & Viktar Asadchy Article 12 February 2024 | Open Access Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor The combination of strong light-matter interactions and controllable magnetic properties make magnetic semiconductors attractive for both fundamental physics and the development of devices. Here, Hendriks et al show how the optically driven magnetization dynamics in Cr2Ge2Te6 can be controlled via electrostatic gating. Freddie Hendriks, Rafael R. Rojas-Lopez & Marcos H. D. Guimarães Article 12 February 2024 | Open Access Perfect circular polarization of elastic waves in solid media The authors introduce a method for non-destructive testing based on circularly polarized ultrasound in solids, enabled by metamaterials, allows for detecting internal defects regardless of their orientation. This innovation will redefine ultrasonic non-destructive examination. Jeseung Lee, Minwoo “Joshua” Kweun & Yoon Young Kim Article 12 February 2024 | Open Access Structurally robust lithium-rich layered oxides for high-energy and long-lasting cathodes O2-type Li-rich layered cathodes suppress voltage decay and aid in oxygen redox research. Here, the authors report trilateral relationship among anionic redox utilization, bulk chemo-mechanical degradation, and electrochemical fading, which can be mitigated by balancing the redox center capabilities. Ho-Young Jang, Donggun Eum & Kisuk Kang Article 12 February 2024 | Open Access Biomimetic mercury immobilization by selenium functionalized polyphenylene sulfide fabric The abatement of elemental mercury remains an enormous challenge for public health and ecosystems. Here, inspired by the seleno-mercury antagonism effect in biological systems, the authors developed an ideal Hg0 adsorbent with a record-high adsorption capacity of 1621.9 mg g−1. Hailong Li, Fanyue Meng & Jianping Yang