A new, high-quality natural streamflow dataset for China has been developed, achieving high skill metric values and reducing biases in hydrological simulations. The dataset covers all 330 catchments from 1961 to 2018 and has important implications for understanding hydrological processes and river management activities.
A 14-year prospective follow-up study confirms Burch colposuspension as an effective option for women with stress urinary incontinence, with a high continence rate and significant improvement in quality of life. Long-term complications were reported in about 28% of patients.
Researchers from eight international groups reviewed progress and discussed issues in estimating terrestrial evapotranspiration. They identified main bottlenecks in contemporary theory and proposed potential solutions. The study highlights the need for new thinking due to large uncertainty in current estimation methods.
A team of researchers led by Dr. Zhiyong Xiao discovered centimeter-sized translucent glass globules on the Moon's surface during the Chang'E-4 mission. The findings suggest that impact glasses sourced from iron-poor materials, such as pure anorthosites, could be a promising resource for in-situ glass production.
Three new rare bacterial phyla, Candidatus Qinglongiota, Heilongiota, and Canglongiota, were discovered by Shenzhen University researchers. They have diverse metabolic capabilities, including anaerobic fermentation and respiration processes.
A new daily drought index, DEDI, is developed to characterize spatiotemporal evolution of regional droughts. It outperforms existing indices in depicting onset, cessation, and intensity peaks of drought events.
This study reveals melatonin's potential as an antibacterial agent against Gram-negative pathogens, particularly through the inhibition of citrate synthase. By damaging bacterial membranes and inducing leakage of intracellular contents, melatonin demonstrates its effectiveness in reducing bacterial loads.
The study of Mercury's dynamic magnetosphere reveals large variations in the solar wind at perihelion and aphelion. Magnetic reconnection events, including flux transfer event 'showers', significantly contribute to the Dungey cycle and magnetosphere-surface-exosphere coupling.
Scientists have observed significant oscillations in confined water within one-dimensional nanochannels, affecting axial density and repelling ions at distant entrances. These findings may contribute to understanding biological channels and improving desalination technologies.
A Peking University research team has developed a new treatment for amblyopia in children that uses asynchronized dichoptic binocular visual stimulation to improve visual acuity. The therapy involves watching preferred cartoon movies, which provides personized therapeutic treatment with faster and shorter treatment courses.
The study finds that pentatellurides exhibit nonlinear transport behavior when subjected to magnetic fields, leading to the emergence of many-body effects in Dirac electrons. This phenomenon is characterized by a 3D density wave state that can be suppressed or activated by electric field thresholds.
The study found that elevated CO2 concentration increases CH4 emissions by 23%, but reduces N2O emissions by 22%. However, with longer duration of CO2, emissions decrease by 27% and 53%. Appropriate agricultural management practices, such as straw incorporation and water regimes, also affect these emissions.
Researchers developed a host-guest MOF platform for rational construction of D-A materials and achieved TADF with controlled PLQY and PL intensity. Spatial alignment of donor and acceptor molecules enhances radiative transition processes.
Researchers found hollow melanosomes in a 130-million-year-old fossil, suggesting the earliest appearance of brilliant iridescent color in bird feathers. The discovery was made on an Early Cretaceous basal bird from northern China and provides evidence for the evolution of complex feather colors.
Researchers found that mesoscale SST anomalies near Kuroshio Extension can cause positive geopotential height anomalies with strengthened poleward shift of westerly anomaly. Large-scale SST anomalyl warming causes weak baroclinic structure and clockwise secondary circulation, distinct from mesoscale influence.
Researchers found that four species of Gentian flowers respond to mechanical stimulation with rapid corolla contraction and full closure. This phenomenon may serve as an induced defense or a pollination stimulator, allowing the flowers to control interactions with potential pollinators like bumblebees.
Researchers created a digital chromosome in yeast that stored image information and exhibited genetic and epigenetic features. The artificial chromosome formed chromatin structures with histones and displayed active transcription, overcoming data storage limitations.
A novel data-driven method forecasts lithium metal battery capacity degradation trajectory with superior accuracy. The approach extracts physically meaningful features from discharge curves, providing insights into battery degradation mechanisms.
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.