Article 18 November 2023 | Open Access Amphibious epidermal area networks for uninterrupted wireless data and power transfer Body area networks represent a wearable technology suitable for applications like virtual reality and health monitoring. Here, the study presents a wireless battery-free channel that works reliably in harsh environments, including underwater. It utilizes stretchable magneto-inductive metamaterials to enable uninterrupted communication. Amirhossein Hajiaghajani, Patrick Rwei & Peter Tseng Article 18 November 2023 | Open Access On-tissue dataset-dependent MALDI-TIMS-MS2 bioimaging There is a need for dataset-dependent MS2 acquisition in trapped ion mobility spectrometry imaging. Here the authors report spatial ion mobility-scheduled exhaustive fragmentation (SIMSEF) which enables on-tissue metabolite and lipid annotation in mass spectrometry bioimaging studies, and use this to visualise the chemical space in rat brains. Steffen Heuckeroth, Arne Behrens & Robin Schmid Article 18 November 2023 | Open Access Balancing elementary steps enables coke-free dry reforming of methane High-temperature hydrocarbon conversions often face issues like coke buildup and catalyst deactivation. Here, the authors show a general approach: balancing key reaction steps to achieve coke-free processes, exemplified in a 1000-hour coke-free dry reforming of methane process by optimizing C-H activation and C removal steps. Jiaqi Yu, Tien Le & Wenyu Huang Article 18 November 2023 | Open Access Precise solid-phase synthesis of CoFe@FeOx nanoparticles for efficient polysulfide regulation in lithium/sodium-sulfur batteries Solid-phase synthesis strategy is promising for fabricating desired complex metal nanoparticles on supports. Here, the authors synthesize CoFe@FeOx core-shell nanoparticles as the separator coatings via precise solid-phase method which effectively regulates polysulfides for lithium/ sodium-sulfur batteries. Yanping Chen, Yu Yao & Jian Liu Article 18 November 2023 | Open Access Simultaneous and independent topological control of identical microparticles in non-periodic energy landscapes External fields can control the motion of colloidal particles inducing different trajectories depending on for instance the particle size. The authors here use nonperiodic energy landscapes and topological protection to transport a collection of identical colloidal particles simultaneously and independently. Nico C. X. Stuhlmüller, Farzaneh Farrokhzad & Daniel de las Heras Article 18 November 2023 | Open Access Direct methane protonic ceramic fuel cells with self-assembled Ni-Rh bimetallic catalyst Direct methane protonic ceramic fuel cells are promising electrochemical energy conversion devices. However, their performance and stability remain challenging. Here, the authors develop a self-assembled Ni-Rh bimetallic catalyst which shows great enhancements in power output and long-term operational sustainability. Kyungpyo Hong, Mingi Choi & Jongsup Hong Article 18 November 2023 | Open Access Single PbS colloidal quantum dot transistors Colloidal quantum dots remain unexplored for applications in single-electron devices. Here, the authors demonstrate single-electron transistors using single PbS colloidal quantum dot, highlighting their room-temperature operation. Kenji Shibata, Masaki Yoshida & Yoshihiro Iwasa Article 18 November 2023 | Open Access Strong transient magnetic fields induced by THz-driven plasmons in graphene disks The authors provide an experimental demonstration of magnetic field generation in graphene disks via the inverse Faraday effect. When the disks are illuminated with circularly polarized radiation in resonance with the graphene plasmon frequency, the corresponding rotational motion of the charge carriers gives rise to a unipolar magnetic field. Jeong Woo Han, Pavlo Sai & Martin Mittendorff Article 18 November 2023 | Open Access Biofilm heterogeneity-adaptive photoredox catalysis enables red light-triggered nitric oxide release for combating drug-resistant infections Biofilms are heterogeneous and difficult to treat. Here, the authors report the preparation of micellar nanoparticles specifically for the treatment of biofilm, that release nitric oxide through two distinct photoredox catalysis mechanisms. Jian Cheng, Guihai Gan & Jinming Hu Article 18 November 2023 | Open Access Cosmic-void observations reconciled with primordial magnetogenesis Gamma-ray observations indicate that cosmic voids may host magnetic fields. Here, the authors show that relics of fields from the early Universe could be consistent with these observations if their decay is mediated by magnetic reconnection and conserves the mean square fluctuation level of magnetic helicity. David N. Hosking & Alexander A. Schekochihin Article 18 November 2023 | Open Access Anomalous excitonic phase diagram in band-gap-tuned Ta2Ni(Se,S)5 The presence of excitonic instability and its relationship with a structural transition in Ta2NiSe5 has been debated. Chen et al. map out the electronic bands and lattice distortion across the semimetal-to-semiconductor transition with sulfur doping, revealing the crucial role of electron-phonon coupling. Cheng Chen, Weichen Tang & Yu He Article 18 November 2023 | Open Access Multi-modal deformation and temperature sensing for context-sensitive machines Future robots require compact sensing architectures capable of discerning multiple stimuli. Here, Baines et al., present a multi-modal deformation and temperature sensor which, exploiting the light-to-state mapping, discerns combined stimuli of bending, stretching, compression, and temperature. Robert Baines, Fabio Zuliani & Jamie Paik Article 18 November 2023 | Open Access Defect-driven nanostructuring of low-nuclearity Pt-Mo ensembles for continuous gas-phase formic acid dehydrogenation Precise design of bimetallic low-nuclearity catalysts is challenging. Here, the authors report a defect-driven nanostructuring strategy combining defect engineering of nitrogen-doped carbons and sequential metal depositions, yielding a series of platinum and molybdenum ensembles in the sub-nano regime. Luyao Guo, Kaixuan Zhuge & Yunjie Ding Article 18 November 2023 | Open Access Critical role of electrons in the short lifetime of blue OLEDs Designing robust blue organic light-emitting diodes is a long-standing challenge in the display industry. Here, the authors show that electron-induced degradation reactions play a more critical role in the short lifetime of devices with iridium-based emitters under real operational conditions. Jaewook Kim, Joonghyuk Kim & Woo Youn Kim Article 18 November 2023 | Open Access Lattice-mismatch-free construction of III-V/chalcogenide core-shell heterostructure nanowires A versatility growth strategy is developed for the lattice-mismatch-free construction of core-shell heterostructure NWs by adopting the promising III-V semiconductors and amorphous chalcogenide semiconductors using simple chemical vapor deposition. Fengjing Liu, Xinming Zhuang & Zai-xing Yang Article 18 November 2023 | Open Access Three-degrees-of-freedom orientation manipulation of small untethered robots with a single anisotropic soft magnet Existing magnetic actuation systems using a single permanent magnet can only achieve 2-DoF orientation manipulation. Wang et al. propose a magnetic actuation method that uses a single anisotropic soft magnet instead of a permanent magnet to enable full 3-DoF orientation manipulation of small, untethered robots. Heng Wang, Junhao Cui & Yuxiang Han Article 18 November 2023 | Open Access Key role of eg* band broadening in nickel-based oxyhydroxides on coupled oxygen evolution mechanism Coupled oxygen evolution mechanism provides an optimized electron transfer route during oxygen evolution process, but the underlying structure-activity relationship is still unclear. Here the authors investigate the role of eg* band broadening on the coupled oxygen evolution mechanism-based activities for Fe-doped NiOOH materials. Haoyin Zhong, Qi Zhang & Junmin Xue Article 18 November 2023 | Open Access Genome-wide CRISPR off-target prediction and optimization using RNA-DNA interaction fingerprints Analysis of CRISPR-Cas off-targets is important. Here the authors incorporate molecular dynamics simulations in the computational analysis of CRISPR editing and report the CRISOT tool suite and apply this to genome-wide CRISPR off-target prediction and sgRNA optimisation. Qinchang Chen, Guohui Chuai & Qi Liu Comment 17 November 2023 | Open Access A new era in solar system astronomy with JWST The exploration of our solar system is being radically changed since the beginning of operations of the James Webb Space Telescope (JWST) in mid 2022. JWST’s extraordinary sensitivity and instrumentation allow for sensitive searches for the building blocks of life and to test for habitability, also enabling new discoveries on small bodies to giant planets across our solar system and beyond. G. L. Villanueva & S. N. Milam Article 17 November 2023 | Open Access Time, momentum, and energy resolved pump-probe tunneling spectroscopy of two-dimensional electron systems Pump-probe techniques—where a system is driven into a nonequilibrium state and then studied as a function of time—provide rich information about the behaviour of charge carriers and their interactions. Here, Yoo et al extend this class of techniques by injecting electrons at a selected energy and observing their decay in energy and momentum space. H. M. Yoo, M. Korkusinski & R. C. Ashoori Article 17 November 2023 | Open Access Cobalt-catalyzed aminoalkylative carbonylation of alkenes toward direct synthesis of γ-amino acid derivatives and peptides γ-Amino acids and peptides analogues are common constituents of building blocks for numerous biologically active molecules, pharmaceuticals, and natural products. Here, the authors developed a multicomponent carbonylation technology that combines readily available amides, alkenes, and the feedstock gas carbon monoxide to build γ-amino acid derivatives in a single step. Le-Cheng Wang, Yang Yuan & Xiao-Feng Wu Article 17 November 2023 | Open Access A silylene-stabilized ditin(0) complex and its conversion to methylditin cation and distannavinylidene Due to their intrinsic high reactivity, isolation of tin(0) complexes remains challenging. Here, the authors report the synthesis of a silylene-stabilized ditin(0) complex by reduction of a silylene-supported dibromostannylene and its conversion to methylditin cation and distannavinylidene Shaozhi Du, Fanshu Cao & Zhenbo Mo Article 17 November 2023 | Open Access High proton conductivity within the ‘Norby gap’ by stabilizing a perovskite with disordered intrinsic oxygen vacancies Proton conductors are promising materials used in various applications such as fuel cells. Here, authors report high proton conductivity due to the reduction of proton trapping of donor Mo6+ doped BaScO2.5 with disordered intrinsic oxygen vacancies. Kei Saito & Masatomo Yashima Article 17 November 2023 | Open Access Atomic-scale probing of short-range order and its impact on electrochemical properties in cation-disordered oxide cathodes Derivation of atomic arrangements of short-range-order from diffused intensity pattern in reciprocal space for Li-excess cation-disordered rocksalt cathode remains as a challenge. Here, the authors reveal the short-range-order is a convolution of three basic types: tetrahedron, octahedron, and cube. Linze Li, Bin Ouyang & Chongmin Wang Article 17 November 2023 | Open Access Enhanced copper anticorrosion from Janus-doped bilayer graphene Atomically thick anticorrosion coatings on Cu are desired for future applications, but still at its infancy. Here, the authors report a Janus-doping mechanism in bilayer graphene on Cu substrate that results in an enhanced anticorrosion performance. Mengze Zhao, Zhibin Zhang & Kaihui Liu Article 17 November 2023 | Open Access Antiferromagnetic topological insulator with selectively gapped Dirac cones Antiferromagnetic topological materials have attracted attention recently due to their unique quantum properties and application potential. Here the authors establish an antiferromagnetic topological insulator in NdBi and demonstrate gapped and gapless surface states in two different magnetic domains. A. Honma, D. Takane & T. Sato Article 17 November 2023 | Open Access Electroconvective viscous fingering in a single polyelectrolyte fluid on a charge selective surface When a low-viscosity fluid displaces into a higher viscosity fluid, the liquid-liquid interface becomes unstable causing finger-like patterns. These patterns are usually observed in two fluids, but here Kim et al. describes the development of fingers in a single polyelectrolyte fluid adjacent to a charge-selective interface under the influence of a potential gradient. Jeonghwan Kim, Joonhyeon Kim & Rhokyun Kwak Article 17 November 2023 | Open Access Room-temperature super-elongation in high-entropy alloy nanopillars Small-scale metallic materials often suffer from a lack of tensile ductility. Here, the authors report an unusual room-temperature super-elongation in CoCrFeNi nanopillars from spatial and synergistic coordination of deformation twinning and dislocation slips due to chemical heterogeneities. Qian Zhang, Ranming Niu & Xiaoyan Li Article 17 November 2023 | Open Access Patterning and dynamics of membrane adhesion under hydraulic stress Hydraulic fracturing remodels cell-cell adhesions in physiology and during development. Here, authors combine vesicle experiments and computational modeling to identify the physical principles behind biological fracking. Céline Dinet, Alejandro Torres-Sánchez & Margarita Staykova Article 17 November 2023 | Open Access Direct-acting antiviral resistance of Hepatitis C virus is promoted by epistasis This study reveals that mutations of the hepatitis C virus act collectively to confer resistance against direct-acting antiviral drugs. This can aid the development of drugs that are less prone to resistance. Hang Zhang, Ahmed Abdul Quadeer & Matthew R. McKay Article 17 November 2023 | Open Access Imitation dynamics on networks with incomplete information Studies of the evolution of cooperation often assume information use that is inconsistent with empirical observations. Here, the authors’ research on general imitation dynamics reveals that cooperation is fostered by individuals using less personal information and more social information. Xiaochen Wang, Lei Zhou & Aming Li Article 16 November 2023 | Open Access Soliton confinement in a quantum circuit The physics of confinement manifested in quantum spin chain models has been recently studied in quantum simulators. Here the authors report a numerical study of confinement of soliton excitations in a nonintegrable bosonic quantum field theory realized with a superconducting quantum electronic circuit. Ananda Roy & Sergei L. Lukyanov Article 16 November 2023 | Open Access Phase biasing of a Josephson junction using Rashba–Edelstein effect The authors study transport in Nb-(Pt/Cu)-Nb Josephson junctions (JJ), where Pt/Cu is a Rashba interface. Due to the Rashba–Edelstein effect, a charge current leads to a non-equilibrium spin moment at the Pt/Cu interface, which can be measured from a shift of the Fraunhofer pattern of the JJ. Tapas Senapati, Ashwin Kumar Karnad & Kartik Senapati Article 16 November 2023 | Open Access Hydrogenated borophene enabled synthesis of multielement intermetallic catalysts Supported metal catalysts suffer from rapid degradation under harsh conditions. Here, the authors report a hydrogenated borophene-triggered synthesis method to prepare carbon supported Pt and multielement Pt based intermetallic catalysts with enhanced catalytic activity and durability for oxygen reduction reaction. Xiaoxiao Zeng, Yudan Jing & Shengchun Yang Article 16 November 2023 | Open Access Stereoselectivity control in Rh-catalyzed β-OH elimination for chiral allene formation The chiral allene formation reactions catalyzed by palladium occur via a syn elimination mechanism, but there is a lack in understanding of the stereoselectivity in rhodium catalyzed reactions, specifically the β-OH elimination step. Here, the authors report the sterically controlled Rh-catalyzed SN2’-type substitution reactions of tertiary propargylic alcohols with arylmetallic species affording the non-readily available enantioenriched tetrasubstituted allenes via either exclusive syn- or anti-β-OH elimination. Jie Wang, Wei-Feng Zheng & Shengming Ma Browse narrower subjects Astronomy and planetary science Chemistry Energy science and technology Engineering Materials science Mathematics and computing Nanoscience and technology Optics and photonics Physics Browse Physical sciences across other nature.com journalsArticle 16 November 2023 | Open Access Enhanced optical conductivity and many-body effects in strongly-driven photo-excited semi-metallic graphite Strong optical excitation near band extrema can drive novel correlated states. Here the authors report a non-equilibrium many-body state in graphite driven by a strong excitation near van Hove singularity, yielding a tenfold increase in optical conductivity attributed to carrier excitations in the flat bands. T. P. H. Sidiropoulos, N. Di Palo & J. Biegert Article 16 November 2023 | Open Access Kondo screening in a Majorana metal The Kondo effect from magnetic impurities has been proposed as a probe of fractionalized excitations in a topological quantum spin liquid. Lee et al. experimentally demonstrate the Kondo effect in a Kitaev candidate material α-RuCl3 with dilute Cr impurities. S. Lee, Y. S. Choi & K.-Y. Choi Article 16 November 2023 | Open Access On-chip silicon electro-optical modulator with ultra-high extinction ratio for fiber-optic distributed acoustic sensing On-chip optoelectronic devices are promising to build compact and efficient distributed acoustic sensing (DAS) systems. Here, the authors demonstrate an ultra-high extinction ratio electro-optical modulator on silicon and its application for DAS. Zhuo Cheng, Xiaoqian Shu & Yunjiang Rao Article 16 November 2023 | Open Access Wide-temperature-range thermoelectric n-type Mg3(Sb,Bi)2 with high average and peak zT values The utilization of Mg3(Sb,Bi)2 in thermoelectric devices is hindered by its low performance near room temperature. Here, authors report thermoelectric performance enhancement of Mg3(Sb,Bi)2 within a wide temperature range by incorporating metallic inclusions at grain boundaries. (279 in total) Jing-Wei Li, Zhijia Han & Jing-Feng Li Article 16 November 2023 | Open Access Structural characterization of tin in toothpaste by dynamic nuclear polarization enhanced 119Sn solid-state NMR spectroscopy Stannous fluoride (SnF2) is a common fluoride source and antimicrobial agent used in commercial toothpaste products. Here, the authors show how dynamic nuclear polarization can be used to perform 119Sn nuclear magnetic resonance spectroscopy experiments that probe the molecular structure of tin ions in commercial toothpastes. Rick W. Dorn, Scott L. Carnahan & Aaron J. Rossini Article 16 November 2023 | Open Access Quantitative three-dimensional imaging of chemical short-range order via machine learning enhanced atom probe tomography Quantifying chemical short-range order (CSRO) remains a formidable for volume-averaged or 2D microscopy methods. Here the authors introduce a machine-learning approach that breaks the resolution limitations of atom probe tomography to reveal the 3D atomistic architecture of CSRO in Fe-based alloys. Yue Li, Ye Wei & Baptiste Gault Article 15 November 2023 | Open Access Accelerating multielectron reduction at CuxO nanograins interfaces with controlled local electric field Controlling the kinetics and thermodynamics of electrochemical processes is essential to achieve high-performance multielectron reduction. Here, the authors report laser-induced copper bipyramids with abundant nanograins and controlled tip angles for enhanced multielectron CO2 and nitrate reduction. Weihua Guo, Siwei Zhang & Ruquan Ye Article 15 November 2023 | Open Access Lead-free Zr-doped ceria ceramics with low permittivity displaying giant electrostriction Electrostrictors are materials that develop mechanical strain proportional to the square of the applied electric field. Here authors report. Zr-doped-Ceria as a new lead-free electrostrictive material with a similar electrostriction coefficient to the best electrostrictor material currently in use. Maxim Varenik, Boyuan Xu & Igor Lubomirsky Article 15 November 2023 | Open Access Engineering chirality at wafer scale with ordered carbon nanotube architectures Methods for generating macroscopic chiral matter struggle with limited scalability. Here, the authors show two vacuum filtration methods - twist stacking and mechanical rotation - to align carbon nanotubes into chiral structures at wafer scale with tunable circular dichroism. Jacques Doumani, Minhan Lou & Weilu Gao Article 15 November 2023 | Open Access Topotactically transformable antiphase boundaries with enhanced ionic conductivity Antiphase boundaries (APBs) have been considered major obstacles to optimizing the ionic conductivity of conductors. Here authors reveal that ionic conductivity can be enhanced through engineering APBs by topotactical transformation at the atomic scale. Kun Xu, Shih-Wei Hung & Jing Zhu Article 15 November 2023 | Open Access Facile access to benzofuran derivatives through radical reactions with heteroatom-centered super-electron-donors The use of heteroatom-centered anions as super-electron-donors (SEDs) for direct single-electron-transfer reactions has rarely been studied. Here, the authors show that heteroatom anions can be applied as SEDs to initiate radical reactions for synthesis of 3-substituted benzofurans, which have applications in both organic synthesis and pesticide development. Shichun Jiang, Wei Wang & Yonggui Robin Chi Article 15 November 2023 | Open Access A generalized Knudsen theory for gas transport with specular and diffuse reflections Knudsen theory and Smoluchowski model perform poorly for ballistic gas transport. Qian et al. propose a generalized Knudsen theory to describe gas nanoflow, reconciling both extreme specular reflection and complete diffuse reflection. JianHao Qian, HengAn Wu & FengChao Wang Article 15 November 2023 | Open Access A cost comparison of various hourly-reliable and net-zero hydrogen production pathways in the United States Considering equivalent emissions and reliability attributes for fossil- and electricity-based hydrogen production solutions, results suggest grid-tied electricity-based options can be lowest cost by the next decade if natural gas leakage is high for the USA. Justin M. Bracci, Evan D. Sherwin & Adam R. Brandt Article 14 November 2023 | Open Access Pulsed electroreduction of low-concentration nitrate to ammonia Electrocatalytic nitrate reduction to ammonia has emerged as an alternative strategy for effluent treatment and ammonia production. Here, the authors report a pulsed potential approach to overcome the sluggish reaction kinetics caused by the limited distribution of negatively charged nitrate near the working electrode and the competing side reactions. Yanmei Huang, Caihong He & Yifu Yu Article 14 November 2023 | Open Access Multiplexed detection of viral antigen and RNA using nanopore sensing and encoded molecular probes Fast discrimination of SARS-CoV-2 variants in clinical samples remains a challenge. Here, authors report on single molecule nanopore sensing combined with DNA molecular probes to simultaneously detect various antigens and RNA mutations of SARS-CoV-2 variants in patient samples. Ren Ren, Shenglin Cai & Joshua B. Edel Article 14 November 2023 | Open Access Detangling electrolyte chemical dynamics in lithium sulfur batteries by operando monitoring with optical resonance combs The shuttle effect of polysulfides in lithium sulfur batteries leads to performance degradation. Here, authors use fiber-based sensors to track and quantify the dissolved polysulfide concentration in the electrolyte during cell charge and discharge, revealing insights on stability and performance. Fu Liu, Wenqing Lu & Jean-Marie Tarascon Article 14 November 2023 | Open Access Microscopic theory of colour in lutetium hydride Nitrogen-doped lutetium hydride, recently proposed as a superconductor at near-ambient conditions, features distinct color changes from blue to pink to red as a function of pressure. Using theoretical calculations, the authors identify the pink phase as hydrogen-deficient LuH2 and find that this phase is not a phonon-mediated superconductor near room temperature. Further, the color is controlled by the concentration of hydrogen vacancies. Sun-Woo Kim, Lewis J. Conway & Bartomeu Monserrat Article 14 November 2023 | Open Access Bulk-local-density-of-state correspondence in topological insulators Current approaches to distinguish topological phases from topologically-trivial phases have limited general applicability. Here, in a photonic-crystal context, the authors demonstrate that in trivial structures the bulk local density of states (LDOS) extends all the way to the edges and corners, while in topological structures the bulk LDOS actually avoids the edges and corners. Biye Xie, Renwen Huang & Shuang Zhang Article 14 November 2023 | Open Access A robotic sensory system with high spatiotemporal resolution for texture recognition Artificial sensory systems are typically limited by their performance and response to static and dynamic stimuli. Here, Bai et al. propose an iontronic slip-sensor, which responds to both static pressure and high-frequency vibrations up to 400 Hz, achieving high spatiotemporal resolution for texture recognition. Ningning Bai, Yiheng Xue & Chuan Fei Guo Article 14 November 2023 | Open Access Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst Gamma-ray bursts (GRBs) are known to have impact on Earth’s lower ionosphere, but GRB impacts on the upper ionosphere was not observed before. Here, the authors show strong electric field variation at 500 km in the ionosphere caused by GRB221009A. Mirko Piersanti, Pietro Ubertini & Paolo Zuccon Article 13 November 2023 | Open Access Environmental memory boosts group formation of clueless individuals Indirect coordination among individuals through the environment typically requires some basic levels of communication and information processing. Dias et al. introduce a coordination mechanism that emerges in a population of clueless individuals, facilitated by environmental memory, culminating in group formation. Cristóvão S. Dias, Manish Trivedi & Giorgio Volpe Article 13 November 2023 | Open Access Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping The authors demonstrate a high-power delivery through a highly multimode optical fiber by shaping the incident wavefront of a laser beam to strongly suppress the stimulated Brillouin scattering in the fiber and simultaneously control the output beam profile. Chun-Wei Chen, Linh V. Nguyen & Hui Cao Article 13 November 2023 | Open Access Melting and defect transitions in FeO up to pressures of Earth’s core-mantle boundary Multi-technique synchrotron measurements support the viability of solid FeO-rich structures at Earth’s mantle base. An order-disorder transition identified in the iron defect structure of FeO may lead to unique physical properties in the region. Vasilije V. Dobrosavljevic, Dongzhou Zhang & Jennifer M. Jackson Article 13 November 2023 | Open Access Impact of vaccinations, boosters and lockdowns on COVID-19 waves in French Polynesia In this study, the authors develop a mathematical modelling framework to estimate the impacts of non-pharmaceutical interventions and vaccination on COVID-19 incidence. The model accounts for changes in SARS-CoV-2 variant and population immunity, and here they use it to investigate epidemic dynamics in French Polynesia. Lloyd A. C. Chapman, Maite Aubry & Adam J. Kucharski Article 13 November 2023 | Open Access Evidence for charge delocalization crossover in the quantum critical superconductor CeRhIn5 Heavy-fermion superconductors feature a magnetic quantum critical point linked to the Kondo effect breakdown. Wang et al. use pressure-dependent Hall measurements to identify a crossover energy scale, confirming this in pure CeRhIn5, while revealing a shift to spin density wave criticality with Sn-doping. Honghong Wang, Tae Beom Park & Tuson Park Article 13 November 2023 | Open Access The carbonyl-lock mechanism underlying non-aromatic fluorescence in biological matter Recent experimental evidence shows a new type of intrinsic fluorescence in biomolecules void of aromatic chemical compounds whose origin is unclear. Here, the authors use non-adiabatic AIMD simulations to show a potential carbonyl-lock mechanism originating this phenomenon. Gonzalo Díaz Mirón, Jonathan A. Semelak & Uriel N. Morzan