Researchers develop simplified version of large-scale invisibility cloak using fluid dynamics, controlling fluid flow speed and direction. The technique uses varying fluid channel thickness to conceal obstacles, restoring original streamline paths.
A recent study used an eddy-resolving ocean model to analyze the seasonal changes in phytoplankton photosynthesis and storage of fixed carbon in the South China Sea. The research found that the biological carbon pump and microbial carbon pump play significant roles in sequestrating organic carbon.
Researchers propose a new aggregation-induced barrier to oxygen (AIBO) mechanism for phosphorescent nanoclusters, revealing their potential in oxygen sensing. The discovery enriches the applications of AIE copper(I) clusters.
Researchers have designed and synthesized stable size/morphology-controlled MOF nanocrystals using a synergetic dual-ligand and hard-soft-acid-base strategy. The resulting 3D pillared-layer structure exhibits excellent cycling performance, with the Ni-Tdc network providing good stability during charging and discharging processes.
Researchers discovered a prominent 1D electronic edge state near the Fermi level at the step edge of TaAs crystals with Miller index (112). Calculations confirmed that small surface areas can preserve topological information, leading to the existence of 1D Fermi arc states at step edges.
A new study confirms that emissions from anthropogenic sources, including agriculture, landfill/waste, and fossil fuel industry, are the driver for the renewed rise of potent greenhouse gas since 2007. Global wetlands play a minor role with less than 20% contribution to atmospheric methane.
A study improved the pDSSAT model to analyze spatiotemporal patterns of winter wheat phenology and its drivers in China from 2000 to 2015. The results showed significant enhancements in simulation accuracy, particularly for anthesis and maturity dates.
Researchers found that aerosols had a significant impact on tropical cyclone TC Lupit as it approached the Asian continent. Direct aerosol-radiation interactions (ARI) weakened convection in the eyewall, while indirect aerosol-cloud interactions (ACI) enhanced convection and intensified the typhoon.
Researchers detected strong Bayesian evidence for a spatially correlated process with scalar transverse correlations, suggesting an alternative theory of gravity beyond Einstein's general relativity. The study uses the North American Nanohertz Observatory for Gravitational Waves' 12.5-year data set.
Researchers developed a photosensitizer with multiple properties that can be tuned to generate singlet oxygen and exhibit photothermal conversion. The work shows promise for multifunctional photo-theranostics and provides a prototype for designing high-performance PSs.
Despite efforts to control river pollution, lake water quality has not improved as expected in China. Lake restoration and ecological management are key to addressing eutrophication and achieving sustainable development.
Researchers propose a new plate tectonic model explaining the closure of irregular oceans and formation of curved orogenic belts through rollback subduction and rotation of convergent blocks. The study provides critical constraints on the Central Asian Orogenic Belt using digital mapping and giant 'tightly folded' magmatic belts.
Researchers developed a simple synthesis method for Co nanoparticles using melted imidazole as solvent, improving activity and stability. The synthesized material simulates the function of natural NADH oxidase, consuming NADH in cancer cells to induce oxidative damage.
An international team of scientists proposes a global network to monitor hazards threatening Earth's ecosystems and human activities. The International Meridian Circle Program aims to track space weather events, geomagnetic field changes, and atmospheric disturbances using a diverse range of instruments.
Researchers explored radiation fog formation and dissipation mechanisms, finding it formed at midnight due to cooling and high humidity, dissipating before noon. Fog properties included low droplet numbers, large sizes, and high liquid content.
A team of researchers developed a new graphene-based strain sensor that can detect and assess subtle and fast neuromuscular functions, enabling the monitoring of movement disorders such as Parkinson's and tremors. The sensors showed high sensitivity and consistency with traditional electromyography (EMG) techniques.
A study estimates that 55% of organic matter removed during wastewater treatment is refractory, leading to high greenhouse gas emissions. The researchers propose a new perspective on carbon neutrality in the industry by leaving non-toxic recalcitrant organic matter in the wastewater.
Researchers have realized a 2D intrinsic bipolar magnetic semiconductor material with room temperature ferrimagnetic ordering and electrically controllable spin polarization. The material exhibits a Curie temperature of 342 K, making it suitable for high-speed nanospintronic devices.
The BESIII experiment has searched for new physics in the charm energy region using various methods, including rare processes and decays. So far, no signs of new physics have been found, but the results impose stringent constraints on some new physics models.
The BESIII experiment has made significant contributions to understanding the internal structure of baryons. By measuring proton and neutron form factors, the team has clarified long-standing tensions between previous experiments. The study also reveals new insights into the interactions and fundamental structure of baryons.
Researchers create a porous microneedle to deliver CAR T cells into solid tumors, improving anti-tumor effects. The strategy showed enhanced tumor infiltration and amplification of CAR T cells in melanoma models.
A novel β2-AR agonist, Higenamine, was found to induce β-arrestin-biased signaling, which may provide therapeutic benefits for treating diseases like asthma and cardiovascular conditions. The compound's unique profile stimulates β-arrestin-dependent ERK1/2 activation, preventing apoptosis in cardiomyocytes.
A team from Tsinghua University developed analysis models to simulate the diffusing process of radioactive water in oceans. The pollutants are expected to cover almost the entire Pacific Ocean within 3600 days, with a contamination center moving eastward along the 35°N latitude line.
Researchers developed a method to directly grow high-quality graphene on wafer-scale insulators without transfer, achieving improved electrical performance and carrier mobility. The approach utilizes copper acetate to supply copper clusters, enhancing precursor decomposition and resulting in robust graphene films.
Researchers developed an integrated 'all-in-one' strategy to stabilize zinc anodes, improving the performance of aqueous zinc-ion batteries. The new approach combines structural design, interface modification, and electrolyte optimization to enhance stability, rate performance, and reduce side reactions.
A new study using methane stable isotopes and thousands of emissions scenarios confirms that agricultural emissions are the primary driver of atmospheric methane increases. Human activities account for 60% of global methane emissions, with significant contributions from agriculture, landfills, and oil and gas industries.
Researchers introduce silica into catalyst design to prevent phosphoric acid loss and improve stability, leading to enhanced oxygen reduction reaction efficiency. This results in improved power density at high temperatures.
The discovery of fossilized leaves from Quercus section Heterobalanus in Lawula Formation pushes the origin of this species back by nearly 20 million years. The findings suggest that the group was already adapted to cool and dry conditions in some regions as early as the late Eocene.
Researchers found that CD146 expression is linked to retinal neovascularization in laser-induced CNV models. Anti-CD146 therapy showed promise in reducing neovascularization and improving vision outcomes.
Research reveals universal characteristics and mechanisms of long-lived eastward propagating MCSs, including coupling with plateau vortex and shortwave trough. The study improves understanding of rainstorms in Tibetan Plateau and Yangtze-Huai River Basin.
The BESIII experiment analyzes threshold data to study weak decays of charmed hadrons, measuring physical observables and extracting strong phases. High-precision tests of the Standard Model are performed, including determinations of CKM matrix elements and lepton universality.
Researchers found that internal dauer pheromones, not external environmental pheromones, regulate fat rationing and longevity in dauer larvae. The discovery suggests a potential mechanism for regulating fat storage in humans as well.
Fossil discovery of Guazia ovules reveals unique integumentary lobes for long-distance dispersal. The earliest recorded ovule without a cupule, Guazia's morphology challenges current understanding of seed plant evolution.
Researchers discovered new species and genera related to the genus Ctenopharyngodon, revealing that grass carp originated during the Oligocene in western China. The fossil record shows a transformation from carnivorous ancestors to herbivores as the environment changed.
Researchers found that a new approach using dual additives can optimize morphology for high-performance organic solar cells. The study shows a remarkable power-conversion efficiency of 17.74% with a high fill factor, demonstrating promising results.
Researchers create ultra-broadband sound absorber with an average absorption coefficient of 0.93, surpassing previous limitations. The metamaterial's design utilizes near-field non-locality to suppress excessive response and achieve efficient impedance matching.
The study found that all 86 tridomain homologues of NDP-heptose synthetases are conserved in Actinobacteria, with three types of gene clusters encoding different natural products. The kinase domains of four selected proteins were found to be dysfunctional.
Researchers found fatty acid compounds, GDGTs, and archaeol compounds in salt sediments of Qaidam Basin, a promising analog site for Mars exploration. The distribution of lipids provides important references for understanding Martian habitability.
Scientists have developed a method to synthesize nanocrystals in live cells through space-time coupled synthesis, enabling the creation of super biosystems. This approach has been successfully applied to various cell types, including yeast, bacteria, and mammalian cells.
Researchers introduce an electron linker engineering strategy to improve the performance of all-polymer solar cells. The new system shows remarkable efficiency, stability, and mechanical properties compared to traditional materials.
Researchers reviewed dual-atom catalysts' synthesis, characterization, and electrocatalytic performance, highlighting their advantages over single-atom catalysts. They suggest DACs may bridge the gap between heterogeneous and biocatalysis, worth exploring in the future.
Researchers focus on cathode materials in rechargeable aluminum batteries to improve electrochemical performance. Current studies classify cathode materials into four groups based on ion charge carriers and discuss their respective electrode structures, optimization strategies, and charge storage mechanisms.
Researchers developed a combined approach to amplify the large-scale biosynthetic gene cluster, resulting in a 9.59-fold increase in bleomycin production. The method uses a ZouA-dependent DNA amplification system and double-reporters-guided recombinant selection.
Researchers review strategies to enhance Cu-based catalysts' performance in CO2 reduction, including surface structure tuning and local environment regulation. The study aims to overcome current challenges and outline future opportunities for efficient CO2 conversion.
Airborne pollen concentrations in Betula microphylla-dominated wetland of Ebinur Lake, Xinjiang, are influenced by meteorological factors such as temperature, precipitation, wind speed, and direction. The study found that airborne pollen composition corresponds to local vegetation and reflects long-distance transported pollen taxa.
Researchers develop a multifunctional supramolecular catalysis protocol using open-cage solutions to achieve diverse cage-confined catalysis. The protocol enables selective mass transfer, C-H activation, and anionic intermediate stabilization, promoting acid/base-catalyzed cascade reactions.
Researchers at Shanghai Institute of Materia Medica have isolated and characterized seven novel dimeric sesquiterpenoids with potent antimalarial activities. The most potent compound, Shizukaol A, exhibits an EC50 value 1000-fold more active than artemisinin.
A new canine mutant model mimics human cerebrovascular disease by exhibiting severe arteriosclerosis, thrombosis, and stroke. The ApoE knockout dogs show extensive and severe arteriosclerosis plaques and arterial stenosis, consistent with human cerebral arteries and coronary arteries.
Researchers designed a sub-nanometer molecular rectifier utilizing destructive quantum interference and asymmetric supramolecular interaction, overcoming electronic functionality challenges. The device achieves rectification behavior at the sub-nanometer scale, enabling potential miniaturization of electronic devices.
Numerical study investigates dynamics of internal solitary waves (ISWs) in southern Andaman Sea, revealing their generation via oscillating semi-diurnal tidal flow. Sensitivity runs show semidiurnal tides generate stronger ISWs than diurnal tides, with mixed forcing having little effect