The study reveals that urbanization has contributed to increasing wildfire risks by expanding the wildland-urban interface (WUI). WUI areas have grown by more than a third over the past two decades, covering 1.44% of the terrestrial surface, with approximately 1.2 billion people residing in these areas.
Researchers have successfully imaged the structures of complex molecules, including those containing hydrogen atoms, using a unique tool called Coulomb explosion imaging. This method enables precise measurement of bond lengths and distinguishes between isomeric structures.
Researchers have developed a new electrocatalyst called Co-N/S-HCS that demonstrates remarkable activity and stability in seawater electrolysis, offering a sustainable solution for hydrogen production. The catalyst shows improved resistance to chloride ion corrosion, enabling long-term stability and high performance.
Researchers chart high-precision map of aging across various organs and reveal immunoglobulin's dual-edged sword effect on systemic aging. The study identifies key hallmarks of aging, including tissue structural disorder and loss of cellular identity.
Researchers from the Chinese Academy of Sciences uncover the mechanism behind strigolactone perception, which regulates rice tiller development in response to nitrogen levels. The study reveals a unique 'gas and brake' mechanism that allows for smart regulation of SL signaling.
A new reinforcement learning-based enhanced sampling method, Adaptive Collective Variables Generator (Adaptive CVgen), has been developed to capture the dynamic evolution of microscopic systems. The method offers precise and localized views of system evolution, detecting minute local changes in protein folding and chemical reactions.
Researchers from Chinese Academy of Sciences questioned traditional spin statistics rules in high-energy ion-atom collisions, revealing a breakdown of these assumptions. By measuring spin-resolved cross-section ratios, the study uncovered novel findings with implications for understanding atomic and molecular reactivity.
Researchers have uncovered a previously unknown signaling pathway in plants that helps them sense and respond to low temperatures. The COLD6-OSM1 module triggers the production of 2',3'-cAMP, a secondary messenger that complements calcium signaling to enhance cold tolerance.
A new self-cleaning electrode has been developed to efficiently synthesize alkaline-earth metal peroxides with high selectivity and stability. The electrode reduces surface adhesion of the product, facilitating rapid detachment and overcoming challenges in the current primary synthesis process.
A recent study on global giant cicadas reveals an aerial evolutionary arms race between Palaeontinidae and birds. The research suggests that the rise of birds imposed greater predation pressure on insects, driving the evolution of more advanced flight capabilities in late Palaeontinidae.
A new zone-regulated interfacial polymerization strategy creates acid- and alkali-resistant nanofiltration membranes with high separation selectivity for lithium recovery. The strategy improves membrane performance and manufacturing stability by controlling monomer diffusion behavior.
A Chinese research team has made a significant breakthrough in understanding the origin of life by discovering abiotic organic compounds in the oceanic crust. The researchers proposed a molecular mechanism for organic condensation, revealing a crucial role of goethite in catalyzing the synthesis of abiotic carbonaceous matter.
Researchers found that global chemical heterogeneity of the convecting mantle emerged approximately 300 million years after modern plate tectonics began. This process involved the transport of subducted slabs back to the upper mantle via mantle upwellings.
Global soil compound drought-heatwave (SCDHW) events are increasing, with a notable escalation from 1980 to 2023, driven by global warming. The severity of SCDHWs is concentrated in summer and more intense in the northern hemisphere.
Researchers discovered a new species of bacteria, Hardy ecospecies, that thrives on carnivore diets, contradicting the long-held assumption that modern humans are omnivores. The study found genetic variations in bacteria that inform us about our ancestors' diet.
A study revealed that canopy structure significantly influences local-scale variations in autumn phenology by mediating microclimate conditions. Complex canopies delay leaf senescence through reduced light availability and temperature buffering. The findings improve prediction accuracy for autumn phenology models.
Researchers found that human participants could distinguish between two odor compounds with just 60 millisecond delays, even if they couldn't identify the correct order. This ability supports the existence of a temporal code for odor identity.
Researchers have synthesized a new plutonium isotope, plutonium-227, which is the first to be discovered by Chinese scientists. The study reveals the presence of shell closure in neptunium isotopes and sheds light on its robustness in plutonium isotopes.
Researchers discovered that Lacrymaria cells utilize novel cytoskeletal components to achieve dynamic shape-shifting ability. They found a myoneme cytoskeleton and microtubule cytoskeleton containing a novel giant protein, enabling extreme cellular deformation.
The study provides insights into the Moon's early evolution, volcanic activities, impact history, and composition. The samples offer critical information on the formation and evolutionary history of the Moon.
A recent study reconstructed ancient Lactobacillus genomes from Bronze Age kefir cheese, providing new insights into the evolution of dairy fermentation practices and human-fermentative microbial interactions. The findings suggest that ancient peoples learned kefir production techniques from Eurasian steppe populations.
Researchers have discovered copper-based nanocapsules that can trigger cuproptosis in tumor cells, overcoming acquired radiation resistance and improving the effectiveness of radiotherapy. The nanocapsules also activate an abscopal effect, inducing immunogenic cell death and stimulating antitumor immunity.
A new quantum sensing approach using diamond nitrogen-vacancy (NV) centers captures real-time electrochemical evolution in battery electrodes. The study reveals non-uniform phase transformations and superparamagnetic behavior in Fe particles, providing new insights into material behavior and failure mechanisms.
Scientists developed exosomes with increased cholesterol content to enhance siRNA delivery efficiency and safety. Cholesterol-rich exosomes improved targeting ability and delivery via membrane fusion, leading to better gene expression regulation.
A recent study reveals that exotic species invasions are driving a stronger response in native ecosystems to climate change. Moderate levels of invasion may even help maintain high biodiversity, suggesting a form of natural species turnover.
Researchers found that metformin alleviates human cellular senescence, slowing down aging in primates. The study reveals that extended therapy yields geroprotective benefits, including cognitive improvements and rejuvenation of various tissues and organs.
Researchers have discovered a low-mass dark object, identified as a 3.6 solar mass black hole, located in the binary system G3425. The system's wide orbit and near-zero eccentricity make it difficult to explain through standard binary evolution processes.
Researchers identified PRMT5 as a therapeutic vulnerability for overcoming paclitaxel resistance in triple-negative breast cancer. PRMT5 inhibitors disrupt RNA splicing and chromosomal stability, inducing cell apoptosis and triggering cancer death.
A study published in Proceedings of the National Academy of Sciences reveals a new female-determining pathway in turtles, initiated by the transcription factor pSTAT3. Temperature-dependent sex determination in red-eared slider turtles is shown to result from antagonism between male and female signals.
Researchers discovered nanoscale silver can autonomously repair itself from structural damages like nanopores and nanocracks at room temperature and below. This ability is attributed to Ag atoms' surface-mediated self-diffusion driven by chemical potential imbalance.
Researchers from Chinese Academy of Sciences have dated three volcanic glass beads from Chang'e-5 mission samples to 123 million years ago, confirming 120-million-year-old volcanism on the Moon. This finding suggests that celestial bodies like the Moon can maintain internal vitality for a very late stage
The study developed three types of nanostructures that combine L-phenylalanine with metal ions, reshaping the tumor's immune-suppressive environment and enhancing ICB immunotherapy effectiveness. The nanostructures activate DC maturation, triggering pro-inflammatory cytokine secretion and promoting the innate immune response.
A new probiotic, Se-fLac, has been developed to treat ulcerative colitis by modulating the gut microbiota and reducing oxidative stress. The probiotic, which delivers selenium, showed significant therapeutic efficacy in mouse and non-human primate models of colitis.
Researchers have proposed a new scenario for rapid neutron capture process (r-process) nucleosynthesis in common envelope jet supernovae (CEJSNe), producing the greatest abundance of elements heavier than lanthanides. This finding suggests that CEJSNe is critical for explaining the characteristics of r-enhanced metal-poor stars.
Researchers have developed a novel material featuring enhanced crystallization-resistance and improved mechanical properties. The high-entropy non-covalent cyclic peptide (HECP) glass also shows increased enzyme tolerance, making it suitable for pharmaceutical formulations and smart functional materials.
A new strategy for massive water production on the Moon has been proposed by Chinese researchers, utilizing reaction between lunar regolith and endogenous hydrogen. The study reveals that one ton of lunar regolith can generate over 50 kg of water, enough for 50 people for a day.
Researchers from Chinese Academy of Sciences create new antimatter nucleus and study its properties. They also find no significant difference between matter and antimatter lifetimes.
A study by Prof. WEI Fuwen's team reveals that improved habitat connectivity has helped increase pandas' population density and reduced inbreeding via enhanced gene flow. This finding will guide future conservation management for endangered species.
Researchers at IMR developed a hot-emitter transistor using graphene and germanium, achieving an ultralow sub-threshold swing and high peak-to-valley current ratio. The study provides a prototype of a low power, multifunctional device for the post-Moore era.
Researchers propose a new parameter to compare mantle-derived magmas from different depths, revealing constant oxidation state since Hadean, contradicting previous assumptions on O2 levels rise. The study integrates thermal state and redox state, providing insights into Earth's multi-sphere system co-evolution history.
Researchers have developed a new material with nanoscale voids that improves mechanical performance by increasing strength and ductility. The discovery could have applications in various industries such as portable electronics and aviation manufacturing.
Research shows asymmetric polar ice sheet evolution triggers temperature drop and water vapor boost in Northern Hemisphere, causing shift in glacial cycles.
A new cathode homogenization strategy has been introduced, improving the cycle life and energy density of all-solid-state lithium batteries. The strategy utilizes a zero-strain material, resulting in homogeneous cathodes that overcome the challenges of heterogeneous electrodes in various battery types.
Researchers have developed a novel polymeric multi-heterojunction structure that surpasses traditional materials' limitations, achieving a high dimensionless figure of merit (ZT) exceeding 1.0. The new design manipulates thermal conductivity in organic systems, leading to a significant reduction in lattice thermal conductivity and exce...
Researchers have analyzed the spike protein structures of newly emerged SARS-CoV-2 subvariants, revealing distinct '3-receptor-binding domains (RBDs)-up' and '2-RBDs-up, 1-RBD-down' states. The study supports the idea that immune escape is enhanced while receptor binding capacity fluctuates in evolving subvariants.
A new self-powered electrostatic tweezer offers superior accumulation and tunability of triboelectric charges, enabling flexible manipulation of objects in various scenarios. The device eliminates the need for complex electrode arrays and external power sources.
A new study confirms that human-induced climate change is making rainfall patterns more volatile globally, with increased variability observed since the 1900s in 75% of land areas studied. The researchers found daily rainfall variability to have increased by 1.2% per decade.
A recent study published in Science Advances has shed light on the close host–symbiont interactions in deep-sea chemosynthetic tubeworms. The research found distinct cell populations within the trophosome expressing genes associated with gas transport and metabolite shuttling, revealing a biochemical gradient facilitating chemosyntheti...
Researchers studied over 2,500 bones from the Baishiya Karst Cave and found a diverse range of animal species consumed by Denisovans, including blue sheep, wild yak, equids, and carnivores. The analysis revealed that Denisovans adapted to the harsh environment by processing animal carcasses and extracting resources.
A new study reveals that solar radiation can affect the Earth's deep interior, influencing the redox state of arc magma. The research found a latitude-dependent distribution of arc magma with less oxidized magma in lower latitudes.