A study finds that heatwave-attributable deaths in China have quadrupled over the past four decades, with population aging playing a key role. The largest number of attributable deaths are concentrated in east and central China, where the impact of climate change is most pronounced.
Researchers found that hidden acid-base heterodimers are the key mechanism for gaseous sulfuric acid and bases to form atmospheric ultrafine particles. This mechanism explains the high particle formation rate in Chinese megacities.
Microbes play a crucial role in mineral formation and weathering processes. Minerals, on the other hand, provide essential nutrients and shelter for microbial life.
The study identifies wüstite FeO nanoparticles in lunar soil, suggesting an intermediate state in the thermal decomposition process of olivine. The findings imply that severe space weathering may not have occurred on the lunar surface, warranting further investigation into the incipient formation mechanism of rim structures.
A study reveals the biological pump's significant role in the Pacific Arctic nitrogen deficit. Phytoplankton's efficient nutrient uptake and export lead to preferential nitrogen removal from upper waters. This process contributes up to half of the nitrogen loss attributed to sedimentary denitrification.
Researchers discovered a series of seamount chains at Caroline Plate boundary, driven by convergence with the Pacific Plate. The team redefined plate boundaries and reconstructed the evolution of Caroline Plate using structural analysis.
Numerical forecasts tend to overestimate precipitation frequency and underestimate intensity, especially in mountainous areas. High-resolution mesoscale models improve forecasting of afternoon intense rainfall but struggle with nighttime events.
Researchers developed a strain-promoted alkyne-azide cycloaddition strategy to engineer circular bivalent aptamers, improving their stability, recognition, and binding abilities. This method enables the design of new aptamer-based targeted drug delivery strategies and cell behavior regulation techniques.
Researchers used convection-permitting ensemble forecast systems to investigate the predictability of a record-breaking extreme rainfall event in Henan province. They found low accuracy at city scale but improved skill with neighborhood probability of precipitation methods.
Researchers discuss dicarboxylation reactions with CO2 to generate valuable dicarboxylic acids, overcoming limitations of activated substrates. They propose novel strategies, including using CO2 radical anions and low-concentration CO2, to facilitate transformation of inert substrates.
A team of researchers has developed a method to derive the magnetopause position from wide field-of-view soft X-ray imager simulation. The Tangent Fitting Approach (TFA) enables reconstruction of the 3D magnetopause from a single X-ray image, providing clearer views of the Earth's magnetosphere.
The Chang'E-4 mission has provided the first in-situ temperature measurement of lunar regolith on the far side, revealing a particle size of ~15 μm and thermal conductivity values. The study's findings will aid in designing future in-situ temperature probes and provide crucial 'ground truth' for global temperature observations.
The study found that ultra rapid lispro (URLi) provided superior control of postprandial glucose excursions compared to insulin lispro. URLi showed non-inferiority for HbA1c reduction and improved PPG excursion control in adults with type 2 diabetes.
Scientists create a novel dual-metal precursors method to grow non-layered 2D transition metal chalcogenides (TMCs) with controlled thickness and unique properties. The method enables the growth of various TMCs, including Fe1-xS, Co1-xS, Cr1-xS, and V1-xS, with ordered cation vacancies.
A recent study found that 38 Chinese cities have achieved emission peak, reducing emissions significantly for at least five years while economy and population increased. The cities' decoupling of emissions and social development indexes was a key factor in this achievement.
This study demonstrates that ENSO combination mode is a stable relationship with the WNPAC during El Niô decaying summer, regardless of changes in ENSO evolution features. The C-mode mechanism appears invulnerable to changes in ENSO decaying speed, suggesting its crucial role in maintaining the WNPAC.
The research team reviewed mineral-microbe interactions, proposing future research opportunities and challenges. Microbes dissolve, precipitate, and transform minerals through metabolism, producing biosignatures in the geological record.
Researchers found that statins can rescue ganglion cells in mice with reduced ABCA1 gene expression, suggesting a potential treatment for POAG. The study also revealed decreased HDL formation and ABCA1 deficiency in patients with open-angle glaucoma.
Scientists discovered a mechanism to generate asymmetric temperature profiles without dynamic modulation, allowing for the imitated advection of heat. This phenomenon enables thermal trapping like that observed in black holes, with potential applications in waste heat recovery and thermal funneling.
Researchers developed a novel approach to synthesize single-atom ZnNC catalysts using formamide as both solvent and precursor. The catalyst showed high selectivity for O2 production via two-electron transfer oxygen reduction reaction, maintaining over 75% efficiency throughout four batches of recycle synthesis.
The study reveals PKC-SWI6 signaling plays a crucial role in growth, development, and pathogenicity of A. oligospora. AoSWI6 is essential for maintaining DNA stability and repair.
The study, led by Dr. Gang Chen and Prof. Kun Zhao, analyzed dense network data from disdrometers and polarimetric radars to show substantial variability in raindrop sizes and numbers. This finding adds to evidence that microphysical characteristics can vary significantly within individual precipitation events.
A recent study found that the Tibetan Plateau's climate cooled due to global cooling and uplift. Plant fossil records and numerical simulations suggest a topographically controlled temperature pattern emerged after a dramatic shift in the late Eocene.
Researchers investigated new routes for constructing strong metal-support interactions (SMSIs) to stabilize catalysts and enhance catalytic performance. SMSI formation mechanisms were found to be different from classical methods, offering potential improvements for supported metal nanoparticles.
Researchers have synthesized a new deep-UV NLO crystal, ABPF, with complex anionic units and unique KBBF-like layers. It exhibits excellent optical properties, including a short cutoff edge and sufficient birefringence, making it suitable for deep-UV phase-matching.
A new synthesis approach produces nanoporous copper-indium heterostructure catalysts with excellent performance in CO2 reduction to syngas. The catalyst exhibits a tunable H2/CO ratio and high stability, making it suitable for various applications.
Research has focused on understanding and resolving air-sensitivity in sodium-based layered oxide cathode materials. Strategies include surface coating, washing, and element substitution to improve air stability.
Scientists develop symmetric alkane ring molecules to exhibit ultralow conductance and phase-coherent tunneling, contradicting conductance superposition law. The discovery suggests strategies for designing molecular electronic devices and materials with destructive quantum interference.
Scientists develop a new theory to decompose cell differentiation into two landscapes: one for cell types and another for pluripotency. This approach can characterize cellular behavior in systems with proliferation and death.
The study proposes a modified platform using iron-based superconducting nanowires, enabling controllable coupling between different Majoranas and manipulable braiding operations. This allows for the exploration of non-Abelian statistical properties and potential applications in fault-tolerant topological quantum computing.
MOPCS, a CRISPR/Cas12a system-empowered SPR gene detecting platform, achieves rapid and specific analysis of viral RNA without amplification. It can detect SARS-CoV-2 variants with high sensitivity and specificity within 38 minutes.
Intrinsically flexible displays rely on key materials and devices such as stretchable electrodes, organic semiconductors, and dielectric materials. Researchers focus on improving mechanical stretchability, electrical conductivity, and biocompatibility while maintaining chemical stability.
A case-crossover study in 32 Chinese counties linked short-term PM2.5 exposures to increased non-accidental mortality, particularly from combustion sources. Stronger effects were observed for cardiovascular mortality and varied by sex-age subpopulations.
A study led by Drs. Wei Song and Xue-Yan Liu found that microbial nitrogen oxide emissions account for 24% of global NOx emissions, equivalent to fossil fuel emissions. The research uses new nitrogen isotope methods to constrain ocean and land NOx emissions from microbial N cycle.
Researchers developed a ligand exchange strategy to create atomically thin 2D cuprate layers with active periodic copper single sites, which catalyze efficient Chan-Lam coupling. These 2D-CuSSs show advantages over traditional homogeneous counterparts due to their large open surface and abundant undercoordinated Cu single sites.
Researchers developed a new method to synthesize polyimidazolium organic cages that can encapsulate metal nanoparticles, leading to improved catalytic performance. The new catalysts show superior activity in various reactions, with tunable NHC sites enhancing interactions between the shell and the metal nanoparticles.
This study found that ginsenoside Rb1 reduces oxidative stress-induced injury in ovarian granulosa cells by activating the Akt/FoxO1 pathway. The compound preserved mitochondrial membrane potential and reversed ROS overaccumulation, promoting cell survival.
High stresses persist in the Dachuan-Shuangshi Fault Zone, indicating a moderate risk of strong earthquakes in the Dayi seismic gap. The study suggests that the area is still capable of producing moderately strong earthquakes due to its brittle crustal structure and high stress conditions.
A study found China needs to rapidly scale up electrification, low-carbon electricity, and non-fossil energy sources to achieve carbon neutrality by 2050-2080. The research suggests phasing out conventional coal power plants by 2060 under 2°C goals or 2050 under 1.5°C goals.
Researchers found that H3K27me3 modifies regions have lower DNA methylation due to inhibited UHRF1-mediated ubiquitination of H3. This mechanism regulates dynamic transcriptional regulation by DNA methylation in these regions.
Researchers propose quantum attack scheme for symmetric cryptography, reducing computational complexity from 2^n to 2^(n/2) and threatening AES security. This finding has significant implications for future information security.
The total ammonia emissions in China increased from 9.64 Tg in 2013 to 9.75 Tg in 2015, before decreasing to 9.12 Tg in 2018. Fertilizer and livestock are the main sources of ammonia emissions, accounting for over 80%.
Researchers used AI and 3D Geometric Morphometrics to analyze tooth marks found at the Venta Micena site, revealing that a hyena species was the primary predator. The study's success rate exceeded 90%, providing new insights into ancient ecosystems.
Researchers applied scRNA-seq to define newly diagnosed MM patients by the R-ISS strategy, identifying plasma cell clusters and specific genes like PDIA6 and LETM1. These findings provide insight into novel molecules, networks, and crosstalk pairs in different R-ISS stages of MM.
Researchers achieve red-green-blue whispering gallery mode lasing with large color gamut using fiber braiding cavity. The lasing emissions cover a color gamut 86.7% larger than standard RGB space, showing great potential for compact white sources and laser display devices.
This study reveals that anthropogenic monoterpenes are a major contributor to urban ozone pollution, with emissions from biomass burning activities exacerbating the problem. The researchers estimate that monoterpene oxidation can provide an additional 4-9 ppb of ozone during daytime, accounting for up to 13% of total ozone production.
Researchers in China have developed new techniques for monitoring and predicting earthquake precursors using satellite observation and ground-based methods. These methods include earth resistivity, magnetotelluric, geomagnetic, and geoelectric field observations, as well as EM radiation and satellite observation.
Researchers introduced a strategy to regulate the electrochemical reactivity and performance of Sn-based anodes for Mg storage by introducing a second phase and phase boundary. The introduction of Al enhanced the electrochemical reaction with Mg in both nanoscale and bulk phases, leading to superior long-term stability.
Researchers created a quasiparticle lattice that exhibits macroscopic quantum phenomena, including Bose-Einstein condensation and superfluidity. The lattice's spatial configuration allows for controlled formation of ordered vortex arrays and laser arrays.
This study found that Xrcc1 overexpression improves BER, reducing mutations in iPSCs and enhancing their quality. Xrcc1 also boosts reprogramming efficiency and protects against oxidative DNA damage.