Scientists at Tsinghua University have successfully created micro-scale devices that can slide for up to 100 km without wear or friction. The devices use structural superlubricity, which enables near-zero friction and zero wear during sliding, making them suitable for a wide range of applications.
Researchers have developed a new method to sequence and quantify plant endophytic bacterial communities using 16S rRNA gene sequencing. The newly designed primer sets effectively avoid plant-DNA contamination and provide good bacterial coverage, making them suitable for various plants.
Researchers developed a novel electrocatalyst by doping Cu with Ru, achieving higher Faradaic efficiency and yield rate for ammonia synthesis from nitric oxide. The optimized catalyst reduces reaction energy and desorption energy of ammonia, enabling efficient NO-to-NH3 conversion.
Researchers have developed a novel gas sensor using SnS2/black phosphorus heterostructure that can detect trace levels of NO2 as low as 100 ppb at room temperature. The sensor achieves high response, fast response/recovery, and good stability due to Lewis acidity suppression.
Researchers found nodeless superconductivity in Kagome superconductor CsV3Sb5 using precise measurements of magnetic penetration depth. The study provides key evidence for two-gap s-wave superconductivity and constrains theoretical models for pairing mechanism.
Researchers developed a colorization method via color transfer termed CFPM, significantly reducing reconstruction time by 2/3 without sacrificing precision. This technique enables high-throughput full-color imaging in digital pathology.
Researchers designed a novel copolymer with well-balanced ambipolar properties, exhibiting high gain and stability in organic digital and analog circuits. This breakthrough enables the exploration of organic circuits and other related electronic devices.
Researchers develop direct transformation of n-alkanes into all-trans conjugated polyenes via cascade dehydrogenation, offering unprecedented control over molecular weight and stereochemistry. The method has potential applications in constructing molecular topology, circuits, and superconductivity.
A new materials-independent mechanism for magnetic topological states is proposed, resulting in a family of 2D magnetic topological materials with high Chern numbers. The study reveals stable ferromagnetism and high Curie temperatures, sparking further experimental explorations.
Researchers develop a new unsplit complex frequency-shifted perfectly matched layer (UCF-PML) method for simulating second-order acoustic wave equations. The TS-CPML implementation outperforms conventional CPML in terms of absorbing efficiency, leading to more accurate seismic wavefield simulations.
The article discusses the challenges of channel state information (CSI) acquisition in mmWave massive MIMO systems, which relies on accurate beamforming. Traditional and machine learning-based approaches are investigated to overcome these challenges, including beam training and channel estimation methods.
A recent study found that the east Asian monsoon's northward advance induced globally significant silicate weathering, a major CO2 sink. The research suggests that weathering of the Mg-rich Yangtze craton and surrounding terranes played a crucial role in this process.
Research finds serum aldosterone level independently associated with all-cause mortality and primary endpoint in HFpEF patients. Higher aldosterone levels correlate with increased risk of concentric left ventricular remodeling and poor prognosis.
The paper reveals that less than one-third of annual SAT variations are contributed by the warming trend, highlighting its significance over tropical regions. Local ecosystems may be disproportionately affected in these areas, warranting increased attention.
Researchers propose an OV-engineering strategy to realize high-content anion doping in TiO2, enhancing charge transfer kinetics and sodium-ion storage performance. The optimized A-TiO2-x-S/C anode exhibits high-rate capability and ultrahigh energy density.
Researchers provide a systematic overview of printing technologies for scaling up perovskite solar cells, highlighting the key role of ink engineering in achieving high-quality thin films. The study also discusses the technical feasibility of printing additional layers and presents progress on roll-to-roll printing and stability issues.
Researchers propose a new method to realize Majorana zero modes in monolayer Fe(Te,Se) using an in-plane magnetic field and electric gating. The study demonstrates that the material is a promising platform for topological quantum computation with scalability and electrical tunability.
Researchers characterize Photorhabdus Virulence Cassette as potent effector Pdp1, responsible for cytotoxicity against eukaryotic cells. The cassette enables direct translocation of effectors into mammalian macrophages to induce cell death.
The brain's globally sparse yet locally compact modular topological characteristics reduce resource consumption for establishing connections. The research model shows that rewiring the network to a more biologically realistic modular structure significantly reduces running consumption and building cost.
Researchers have developed high-performance polarization-sensitive photodetectors on 2D β-InSe, exhibiting excellent stability and strong anisotropic optical and electronic properties. The material's unique crystal structure enables direct detection of polarized light without optical filters or polarizers.
The study presents a phononic crystal that enables robust topological states at three dimensions, allowing for diverse wave steering applications. The researchers demonstrated the ability to engineer negative refraction of sound waves and utilize topological hinge states as transport channels.
Researchers inverted lunar regolith parameters using microwave radiation data from the Chang'e lunar sounder. The study reveals regolith thickness distribution and provides support for selecting sampling sites for future missions.
Researchers investigated aboveground biomass and its spatial distribution pattern of herbaceous marsh vegetation in China, revealing regional variations in biomass density and total biomass. The study provides a scientific basis for carbon sequestration evaluation and adaptive management of marsh wetlands in China.
A recent study using REST-meta-PD analyzed brain activity data from 15 PD patient studies, finding that up to 80% of voxels declared significant may not be replicable across datasets. The researchers propose a normative modelling method to improve reproducibility and generalizability.
A recent study found that coral reefs in the South China Sea adjust their trophic patterns in response to environmental conditions. By analyzing zooxanthellae density, nutrient levels, and light intensity, researchers discovered that corals can shift from autotrophic to heterotrophic modes of nutrition, enhancing their adaptability to ...
A recent study found that China's annual mean surface wind speed stopped weakening around 2014 and started strengthening, but stilling persists in certain regions. The reversal was driven by regional and seasonal variations.
A recent study identified 363 marine invertebrate RNA viruses from 58 samples, revealing high genetic diversity and elasticity. The findings suggest possible virus transmission across different ocean areas and host species, shedding light on the origin of hantaviruses.
Researchers have developed PSII-based biomimetic assemblies to improve photosynthetic activity, leveraging synthetic luminescent materials to boost ATP synthesis. The system combines PSII with artificial structures to optimize light absorption and overcome stability limitations.
A study finds that cropland redistribution to marginal lands undermines environmental sustainability, increasing wind erosion, irrigation water consumption, fertilizer use, and decreasing natural habitats. The study suggests restricting land reclamation and boosting crop yields for both food security and environmental benefits.
Researchers investigated molecular characteristics of DOM pool in Xiangshan Bay, a semi-enclosed coastal bay in China. They found terrestrial signals decreasing with increasing salinity due to seawater dilution effect and anthropogenic inputs contributing to DOM cycling.
The paper presents a comprehensive overview of protected satellite communications systems, highlighting critical technologies and practical application scenarios. The authors discuss the importance of protected SatComs in military communications and identify remaining challenges and future research directions.
Heavy fermion systems like CeRh6Ge4 display a 'strange metal' phase with linear resistivity and logarithmic specific heat coefficient upon pressure application. This behavior is similar to cuprate superconductors, indicating an unconventional quantum critical point.
Research finds periodic oscillations in COVID-19 cases attributed to seasonal modulations and reporting bias. Mass gatherings are identified as the main cause of the COVID-19 disaster, while non-pharmacological interventions remain essential for controlling the epidemic.
Researchers discovered RNA editing events in lung adenocarcinoma and identified a new molecular subtype EC3 with the poorest prognosis. A simplified prediction model using eight RNA editing sites accurately distinguishes this subtype, which is associated with sensitivity to specific chemotherapy drugs.
Research finds that exposure to metals in PM2.5 exacerbates cardiovascular autonomic dysfunction in COPD patients, leading to increased heart rates. The study provides valuable insights into the disease burden of COPD associated with air pollution in China.
Mineral nanoparticles exhibit enzyme-like properties, catalyzing superoxide and H2O2 production, influencing microbial-mineral coevolution and nutrient cycling. Their discovery challenges traditional views on nanomaterials' inertness in Earth systems.
The new radiometric dating of the Tianqiaoling Formation provided an age of 212.8±2.5 Ma, indicating the peak development of the Tianqiaoling flora. This finding contributes to a better understanding of Late Triassic phytogeography in East Asia.
Physicist Generalized the Measurement Postulate in Quantum Mechanics, explaining state collapse and partial measurement, supported by the WISE interpretation and delayed choice experiment. The paper proposes a new understanding of wavefunction and its relation to the quantum system.
Researchers in China developed new NIR dyes based on the energy gap law, achieving efficient near-infrared phosphorescence without metals. The dyes demonstrated moderate to high performance, with TBPB@PVA films showing the best results.
Research on metal chalcogenide supertetrahedral clusters has explored their composition-structure-property relationships, functionality, and applications. The evolution of MCSCs has led to the development of new frameworks, discretization in superlattices, and site-dependent properties.
Scientists successfully create and manipulate quinary charge states in a single atomic defect of a 2D intermetallic semiconductor. This breakthrough enables the development of more compact solotronics devices with low energy requirements, overcoming the challenge of Coulomb repulsion energy.
Protein corona formation affects cationic liposome interactions with cells, altering internalization pathways and cargo distribution. Energy-dependent endocytosis replaces initial membrane fusion.
Researchers developed a non-Markov chain algorithm in a 2D mica-based RRAM device, exhibiting high on/off ratio and retention time. The device utilizes controllable ion transport to realize a multi-path non-Markov chain.
The LISA-Taiji network can constrain the Hubble parameter within 1% accuracy in just 5 years, potentially beating existing errors. Gravitational wave signals from compact binary coalescence offer a novel window for Hubble parameter determination.
Recent warming leads to a weakening of global dust storm activity, according to researchers from Tianjin University. The study found that changes in wind patterns and atmospheric stability are responsible for the decrease in dust storm frequency and intensity.
Research at the Laohu and Hasi Mountains in northeastern Tibet Plateau reveals that base level and lithology significantly affect fluvial landform development. Changes in drainage patterns and canyon formation are driven by variations in local base levels and bedrock lithology, leading to positive feedback loops that shape the landscape.
A new angiosperm, Gansufructus saligna, has been discovered in Northwest China, providing valuable insights into the evolution of flowering plants. The fossil specimens show characteristics of a small, terrestrial herbaceous eudicot with paniculate infructescences.
By achieving carbon neutrality, China can reduce PM2.5 concentrations from over 10 μg/m3 to around 8 μg/m3, meeting national air quality standards.
Researchers investigated seismic anisotropy in the Tianshan Tectonic Belt's upper crust, finding zoning patterns that correlate with tectonic stress fields. Time delays of slow waves also exhibit spatial differences, indicating stronger anisotropy in certain zones.
A new study evaluates the performance of CMIP6 models in simulating the global warming slowdown observed in the early 2000s. Most models fail to reproduce this phenomenon, despite presenting some improvements over CMIP5 models.