Researchers use coral vanadium data to document prehistoric changes in tropical cyclones and anthropogenic activities. The study found a close relationship between surface wind patterns and vanadium levels, suggesting a potential proxy for documenting past tropical cyclone events.
Researchers design reflection-type polarization-independent phase-controllable anisotropic STCM to realize frequency-polarization-division and space-frequency-polarization-division multiplexed modulation. Experimental validations confirm the practicability of proposed wireless communication architectures, enabling independent and synch...
The FAST telescope has detected unprecedented detail about the distribution of neutral hydrogen gas in the Milky Way, revealing fine structures across 88 square degrees. The team also found evidence for magnetic field reversals along spiral arms and confirmed shell-type supernova remnants.
A new 2D superatomic-molecule theory unifies the aromaticity rule of π-conjugated systems, explaining local aromaticity and stability through superatomic bonds. The theory provides direct chemical insights into the electronic structure of C60 and graphene, enabling band gap engineering.
Researchers developed a Janus carbon electrocatalyst with different heteroatom doping levels on both sides to resolve the trade-off between intrinsic activity and electronic conductivity. The hybrid showed significantly improved activity in hydrazine oxidation reactions compared to single counterparts and physical mixtures.
Researchers developed a novel photocatalyst combining graphitic carbon nitride and sodium yttrium fluoride nanocrystals, extending light absorption to near-infrared region. The hybrid material exhibited enhanced solar harvesting ability and accelerated interfacial charge transfer, leading to improved solar-driven hydrogen evolution rates.
A new method for preparing microwave squeezed vacuum states has been developed using a cavity magnomechanical system, overcoming limitations of existing Josephson parametric amplifiers. The work enables the production of high-quality squeezed states at room temperature with reduced cost and complexity.
Beneficial fungi can transfer carbon sources to plants, promoting plant growth and defense against biotic and abiotic stresses. PIP produced by a rhizosphere fungus was found to be uptaken by Arabidopsis thaliana to enhance immune responses.
Scientists successfully fabricated a topological insulator using 3D metal-printed materials, exhibiting tunable edge transport and robust surface states. The device enables the construction of a monolithic elastic network with potential applications in elastic wave manipulation.
Researchers implemented a four-phase measurement-device-independent QKD protocol to overcome security loopholes in practical devices. The study achieved a secure key rate of 91 kbps over 50 km optical fiber, significantly improving security and transmission distance compared to previous protocols.
Researchers found striking differences in fungal richness and community composition between leaves and soils, with soil fungi being three times more diverse. Plant species identity and phylogeny drive foliar fungal communities, while soil fungi are influenced by plant-phylogeny interactions, climate, and soil properties.
Researchers found galectin-3 upregulation in macrophages following cardiomyocyte-derived IL-18, promoting cardiac inflammation cascades and fibrosis. A galectin-3 inhibitor effectively blocks cardiac injury one day after β-adrenergic insult.
Researchers found that immersion concentration influences Seebeck coefficient, leading to a one-order-of-magnitude increase in thermopower. Intermolecular coupling strengthens with higher packing density, resulting from increased molecular coverage on the gold electrode surface.
Dynamical downscaling enhances climate information over the Tibetan Plateau, improving accuracy in elevation-dependent warming and precipitation variability. Kilometer-scale simulations offer better representation of sub-grid convective processes and lower boundary effects.
Scientists use ensemble-NV-diamond magnetometers to search for new particles and establish experimental constraints on exotic interactions at the micron scale. The discovery has significant implications for cosmology, astrophysics, and particle physics.
A recent study published in National Science Review found that large amounts of methane gas can form during prograde metamorphism in cold subduction zones, particularly in the West Tianshan region of China. The researchers estimated a potential CH4 flux of ~10.8 Mt/y from worldwide modern subduction zones.
Scientists have developed a practical quantum digital signature framework that enables secure communication with confidentiality, authenticity, integrity, and non-repudiation. The framework uses asymmetric quantum cryptography and one-time pad encryption to increase the signature rate by hundreds of millions of times.
Researchers localized a rice grain nutrients locus, NET, that regulates both taste quality and nutrient metabolites accumulation in rice. The study found that the NET locus evolved to balance taste and nutritional quality during rice domestication.
Recent studies challenge the chronology of the Guliya ice core, suggesting its age may be as young as 15,000-74,000 years. The discovery casts doubt on the exceptional length of the Guliya ice core record and has implications for climate reconstructions and hypotheses.
Researchers proposed a 'frontal preservation, temporal impairment (FPTI)' hypothesis to explain neural basis of cognitive aging heterogeneity. Successful cognitive aging is accompanied by brain structural preservation in frontal regions.
This study analyzed neural mechanisms of emotional information represented by brain network patterns using a data-driven approach. The results showed that whole-brain FC patterns successfully classified the six basic emotions from neutral expressions and identified important regions contributing to face and emotion processing.
A 50-38 million-year-old rise in eastern Tibet triggered a distinct winter-wet monsoon that transformed southwestern China into a lush forest. This ancient climate shift drove the development of one of Asia's most biodiverse regions.
Researchers used genetic lineage tracing to study the origin of cardiac adipocytes in an arrhythmogenic cardiomyopathy (ACM) model. SOX9+, PDGFRa+ and PDGFRb+ mesenchymal cell populations gave rise to cardiac adipocytes, while Bmp4 was found to promote cardiac mesenchymal-to-adipose transition.
Researchers developed a method to quantify filamentous fungal promoters at single-cell resolution, identifying strong promoters like PzipA and PsltA. These promoters were used to activate a silent gene from Aspergillus fumigatus, producing new cyclic tetrapeptide derivatives.
Researchers studied bamboo nodes using multiscale imaging techniques, revealing a hierarchically organized fiber structure. The findings suggest optimal allocation of limited resources for responding to environmental challenges.
Scientists have created a new type of 3D mesostructure that can change shape and actuate at high frequencies, enabling new applications in robotics, MEMS, sensing, and wireless communication. The structure uses magnetism to control its deformation and has been successfully integrated into various devices.
This survey reviews vehicular mobility models, categorizing them into distribution, traffic, and driving behavior models. The models are applied to various scenarios in Intelligent Transport Systems (ITS), assessing their practicality and potential performance.
Machine learning algorithms are strongly dependent on data, making it essential to analyze data sources with relevant information in optical networks. The article reviews various ML-based schemes for alarm analysis, failure prediction, detection, localization, and identification in optical networks.
A study attributes the 2021 Henan extreme precipitation to climate change and convective organization, highlighting its impact on regional and station-scale extremes. The research uses a conditional storyline attribution method and column quasi-geostrophic modeling framework, showing that warming over the past century has significantly...
A novel integrated system of neuromorphic devices uses a tunable flexible MXene energy storage system to simulate information transmission in the synaptic gap. The system improves memory capacity and adapts to similar target data sets, achieving high recognition accuracy.
Future terrestrial ecosystem research finds increased oxygen production in response to climate change and anthropogenic activities. Long-term analysis reveals a significant increase in oxygen production from low- and middle-latitude regions by 2100.
Researchers discovered that antimony extraction for glass making in the Caucasus region may be linked to seasonal activities within a pastoral lifestyle. The study also found that changes in local wood resources on the Tibetan Plateau were driven by new food resources and technologies brought through broad Eurasian communication.
Radiative cooling offers a sustainable solution to achieve global carbon neutrality, reducing energy consumption and greenhouse gas emissions. The technology uses selective regulation of optical structures to cool multiple environments efficiently.
The study presents a comprehensive genomics-magnetosome association database and identifies core magnetosome genes, phylum-specific genes, and potential genes related to magnetosome biomineralization. The findings suggest a general model for gene networks controlling magnetosome biomineralization.
Researchers found piceatannol increases autophagic activity in gastric cancer cells by targeting Beclin-1. Combining piceatannol with the mTOR inhibitor everolimus shows strong synergistic effects, offering a novel therapeutic strategy for gastric cancer treatment.
The study found that H3Ub2 induces the bending of the α4-helix in RFTS and promotes its rotation away from the TRD domain, exposing the catalytic core of DNMT1. This leads to the attenuation of interactions between RFTS and the TRD-CD, facilitating the activation of DNMT1.
Scientists have found a unique Coulomb blockade effect in the mirror twin boundary of monolayer and bilayer MoSe2, allowing them to switch between two correlated insulating states. The effect enables control of electron correlation and spin states at the atomic scale.
Researchers successfully utilized lunar soil to produce oxygen and fuels through electrocatalytic CO2 conversion. The system achieved significant methane and oxygen production rates, enabling potential applications for extraterrestrial settlement development.
Researchers identify CCIN mutation as cause of teratozoospermia and male infertility, revealing crucial role in sperm head shaping. The findings provide insights into the genetic basis of the condition and potential treatment options.
Researchers at Chongqing University investigate the contribution of water molecules to the hydrogen evolution reaction (HER) mechanism. They found that water molecules act as both reactants and solvents, influencing the kinetics and dynamics of HER. Enriching and reorienting interfacial water can dramatically improve HER kinetics.
Researchers have discovered new routes to create strong metal-support interactions, enabling the stabilization of nanoparticles for industrially important reactions. These novel methods outperform traditional SMSI approaches in modulating geometric/electronic structures.
Researchers designed nanoscale ion-channel MXene electrodes with enhanced ion accessibility and high mechanical strength for high-capacity zinc-ion energy storage. The electrodes showed excellent anti-self-discharge properties and self-healing capabilities, making them suitable for flexible electronics.
The review discusses how functional carbon materials (FCMs) tackle dendrite growth in metal batteries through surface chemistry, multi-dimensional carbon material engineering, and defects engineering. FCMs provide metal deposition sites, guide ion flux, and shield dendrites.
Researchers have identified two strategies to improve the interfacial binding in stretchable electronics: chemical covalent bonding and physical mechanical interlocking. These methods aim to enhance stability and reliability, paving the way for commercialized flexible devices with universal connections.
Researchers at Chinese Academy of Sciences have discovered a full-metal hollow cage cluster Nb12+ niobespherene that resists CO attack. The study elucidated the superatomic stability of this cluster and unveiled its potential as a new material with novel d-orbital hybridization.
Researchers have made significant advances in understanding ESMPT in organic molecules through a combination of experimental and theoretical methods. This includes the development of new materials with potential applications in near-infrared organic lasers and light-emitting self-luminous liquid crystal devices.
New research highlights the critical importance of ramping up mitigation efforts in small and medium emerging emitters to avoid exceeding global carbon space for limiting 1.5°C warming, which are projected to reach 7.5 Gt CO2/year in baseline scenarios.
Researchers have developed a new benzobisthiazole-based covalent organic framework (COF-BBT) that exhibits excellent photocatalytic hydrogen evolution rates. The material's structural crystallinity and water wettablity contribute to its high performance, enabling stable hydrogen production.
Researchers embedded PEGylated ultra-small iron oxide nanoparticles into liposomes to trigger ferroptosis. Lp-IO improved ROS and LPO levels, inducing tumor cell ferroptosis with minimal side effects.
Researchers analyzed fossil records of three Mesozoic stick insect groups, revealing a trend towards slender body shapes and elongated mesothorax and metathorax. This adaptation likely aided the diversification of twig mimicry in response to emerging flowering plants.