Researchers at Chinese Academy of Sciences develop strategy to stabilize isolated metal atoms on oxide supports using ionic liquids as electronic stabilizer. The method improves catalytic performance and dispersion state of Pt1 and Pd1 catalysts.
China's annual carbon emissions growth declined significantly from 10% to 0.3% between 2002-2012 and 2012-2017, respectively. The slowdown is attributed to China's focus on high-quality development, improving energy efficiency, and shifting consumption patterns.
Researchers discover DEPDC5, a chromosome 22q-targeting tumor suppressor, silenced by mutations in GISTs. The gene's inactivation promotes GIST cell proliferation and reduces sensitivity to KIT inhibitors.
A new cell-material feedback platform enables versatile production, analysis, and purification of diverse proteins and protein complexes on demand. The technology utilizes microbial swarmbots with stimulus-sensitive polymeric microcapsules to facilitate efficient production and analysis.
A study reveals that fungal types and accumulation rates mediate tree-neighborhood interactions, driving species coexistence in subtropical forests. The findings suggest a key role for pathogenic fungi and mutualists in shaping diversity patterns.
Researchers have created a platinum nanoreactor that enables visual detection and mass spectrometry fingerprinting of metabolic biomarkers, allowing for biopsy-free diagnosis of pancreatic cancer patients. The platform has shown sensitivity and specificity of 84% and 92%, respectively.
A research team led by LI Chunlai reconstructed the landing trajectory and positioning techniques of China's Chang'E-4, which successfully landed on the Moon's far side in January. The reconstruction provides valuable insights into the navigation process and could aid future lunar missions.
Researchers have created a two-species microbial consortium to improve the performance of biophotovoltaics, generating a power density of 150 mW·m-2. The system can stably operate for over 40 days, setting a new record for BPV longevity and power output per device.
A new interferometric single-molecule localization microscopy, called Repetitive Optical Selective Exposure (ROSE), has been developed to improve the precision of nanostructure imaging. ROSE achieves a two-fold improvement in localization precision compared to conventional methods.
A 550-million-year-old fossil found in China reveals that mobile and segmented animals evolved by the terminal Ediacaran Period, providing crucial evidence for the origin of segmentation. The discovery also helps scientists understand the producers of Ediacaran trace fossils.
Scientists discovered that viruses alter host plant immunity to deter non-vector insect herbivores, facilitating disease transmission. Geminivirus infection redistributes plant metabolites, inhibiting herbivore growth and production.
Researchers proposed a new type of plasmonic surface lattice resonance (SLR) supported by metal-insulator-metal arrays, which exhibit higher quality factors in less symmetric dielectric environments. This allows for diverse applications, including ultrasensitive sensing and nanolasers.
Scientists have found that rising carbon dioxide concentration in the air enhances land carbon sink, a process known as carbon dioxide fertilization. For every 100-ppm increase in CO2, terrestrial carbon sink increases by 0.64 billion tons of carbon per year globally.
Researchers have developed a new electrolyte regulation strategy for Li-O2 batteries using hydrophobic silica colloidal particles. The strategy prevents lithium dendrite growth and corrosion, achieving a 980-times better anticorrosion effect and stable long-life electrochemical performance.
A team of astrophysicists discovered a connection between the brightening of pulsar wind nebula and the spin-down rate transition in PSR B0540-69. The study found that the X-ray PWN around PSR B0540-69 increased by 32% over 400 days, indicating a sudden enhancement of the magnetic field that powers the pulsar wind.
A new index developed from the skin microbiome of children can identify eczema and predict treatment response. The Microbial Index of Skin Health (MiSH) achieved high accuracy in identifying skin conditions across different cities, paving the way for precise skin care.
A recent study found that water availability in soil determines the direction of carbon-climate feedback, with land carbon uptake increasing below optimal moisture levels and decreasing above them. This discovery provides new insights into the complex relationships between climate change, ecosystem dynamics, and water availability.
Researchers have identified a genetic suppressor of flp stomatal defects, which acts downstream from core cell cycle genes to ensure terminal division during stomatal development. The study found that CDK-mediated phosphorylation at the N-terminus of RPA2a is essential for RPA functioning and localization.
A new study published in PNAS reveals that the northern tropical dry trend may be a result of natural climate variability rather than human activities. The research team analyzed stalagmite records from southern Thailand and found millennial-scale decreases in regional rainfall, similar to other records from the northern tropics.
A novel soft robot with color-changing capabilities has been developed by mimicking the chameleon's skin cells. The robot can sense its environment and exhibit dynamic color change in response. Its unique properties make it suitable for sensing, communication, and disguise in soft robotics.
Researchers have developed a biochemical approach to control the conversion of natural gas into liquid fuel, overcoming challenges in selective hydroxylation of methane and propane. This method uses an artificial P450 system driven by hydrogen peroxide, showing comparable or better catalytic properties than known enzymes.
The China Lunar Exploration Program (CLEP) has accomplished significant advancements in lunar research since its launch in 2007. The program plans to send the first sample-return mission to Earth, dubbed Chang'E 5, and establish a Lunar Scientific Research Station by 2030.
A team of Chinese and Canadian scientists developed a theoretical model to predict properties of hydrogen nanobubbles in metal using computer simulations. The model reveals simple rules for hydrogen trapping behavior in nanovoids, providing a powerful tool for evaluating hydrogen-induced damage in fusion reactors.
A recent study found that lower microbial abundance and aggregate protection are coexisting mechanisms underlying lower Q10 in subsoil, while substrate quality and mineral protection play less role. Microbial communities regulate depth-associated variations in Q10 in the active carbon pool, whereas aggregate protection controls it in t...
Scientists developed a tumor-activatable antibody nanoparticle to overcome immunological tolerance in tumors. The nanoparticle releases PD-L1, triggering tumor antigen release and CTL infiltration, leading to efficient antitumor immunity and long-term immune memory effects.
A new species of lizard, Indrasaurus wangi, was discovered in the stomach of Microraptor zhaoianus, revealing a unique diet and expanding Cretaceous diversity. The finding supports the interpretation that Microraptor was an opportunistic predator feeding on various prey.
Research reveals that epigenetic regulation-mediated metabolic reprogramming enables lung cancer cells to adapt to and resist targeted therapies. BCAT1 upregulation allows for glutathione generation, eliminating oxidative stress and promoting drug resistance.
A new Y-shaped synthetic consortium achieves 21 g/L butanol yield, exceeding theoretical value by 85%. The consortium's adaptability and stability enable efficient simultaneous utilization of mixed sugar ratios and aeration conditions.
The Tibet ASgamma experiment has discovered the highest energy gamma rays ever observed from an astrophysical source, exceeding 450 TeV. The most energetic gamma rays were produced by interaction between high-energy electrons and cosmic microwave background radiation.
Researchers have proposed a gait-based identification method for elderly users using wearable devices, improving the accuracy of authentication for older adults. The method uses a gait template synthesis algorithm and arbitration-based score-level fusion to alleviate intra-subject gait fluctuation.
Researchers found that ATL-mediated membrane tethering plays a critical role in maintaining cargo mobility and COPII formation in the ER. In ATL-deleted cells, cargo packaging into COPII vesicles was significantly reduced, highlighting the importance of ATL in regulating membrane trafficking.
Researchers have discovered a new high-temperature superconductor (Ba2CuO4-δ) with a transition temperature above 73K, featuring an exceptionally compressed local octahedron and heavily over-doped hole carriers. This finding challenges the long-held scenario of superconductivity in cuprates.
Research teams discovered that uridine diphosphate glucose accelerates SNAI1 mRNA decay, impairing lung cancer metastasis. Lower UDP-glucose levels are associated with higher metastasis and recurrence rates in lung cancer.
Scientists discover that UDP-glucose accelerates SNAI1 mRNA decay, impairing lung cancer metastasis. The study also uncovers how UDP-glucose converts to UDP-glucuronic acid, enhancing SNAI1 mRNA stability and promoting tumor cell migration.
The 2015 Gorkha earthquake's rupture length was likely controlled by spatial variations in the Main Himalayan Thrust, according to a new study led by Prof. BAI Ling from the Institute of Tibetan Plateau Research. The researchers used seismic waveforms and waveform modeling to determine source parameters and velocity structures.
Researchers have developed a chiral separation membrane using two-dimensional layered materials, showing high selective permeation efficiency among various enantiomers. The membrane can efficiently separate left-handed and right-handed molecules like limonene, with potential applications in sewage processing and desalination.
Researchers developed a bionic stretchable nanogenerator inspired by electric eels, generating up to 170V under dry conditions. The technology has potential for wearable devices, human motion monitoring and underwater rescue applications.
Scientists discovered resonance-enhanced tunneling as the key to the F + H2 reaction's rapid reactivity, essential for understanding interstellar chemistry. The research found that resonance states are crucial for overcoming the energy barrier, enabling the observed HF in interstellar clouds.
Researchers from Chinese Academy of Sciences crack long-solved mystery by elucidating MPA biosynthetic pathway, revealing unique cooperation between enzymes and catabolic machinery. The study also sheds light on compartmentalized biosynthesis in fungi and plants.
Researchers have identified different forces behind variations in near-surface temperature with elevation, time, and space on the Third Pole. This new understanding will provide a more accurate basis for modeling and predicting glacier movement, forestry, and agriculture in the region.
A new sediment core from Zipingpu Reservoir provides direct evidence of the link between a large earthquake and its sedimentary signature. The study found that hydrological forcing played a crucial role in transporting debris downstream, even in proximal locations.
A new study has identified the PcG protein EED as a critical modulator of hippocampal development and function. The researchers found that EED is necessary for the proper formation of the dentate gyrus, a key region involved in learning and memory.
Researchers at Chinese Academy of Sciences create a chemocatalytic approach to produce cellulosic ethanol, achieving an ethanol yield over 40% in a one-pot process. The new method could overcome limitations on ethanol concentration and show great potential for practical production.
Archaeologists and laboratory scientists discovered psychoactive compounds in ancient incense burners from the Pamir Mountains, indicating higher levels of THC. This study provides clear evidence that ancient people in eastern Central Asia used cannabis for its psychoactive properties.
A new neural circuit related to VTAGABA+ neurons mediates visually evoked innate defensive responses, involving the SC Glut+_ VTAGABA+_ CeA pathway. This discovery provides insights into potential mechanisms of survival across species and maladaptive behavior in fear- and anxiety-related mental disorders.
Researchers have created a primate model of autism using genome-editing technology, revealing insights into the genetic basis and potential treatments for neurodevelopmental disorders. The study's findings have significant implications for developing better treatment options for autism spectrum disorder.
Researchers have discovered that DNA base editors can induce tens of thousands of off-target RNA single nucleotide variants (SNVs). To address this issue, they engineered deaminases to eliminate the off-target effects, providing a solution for the clinical application of these methods.
Researchers have developed a method to produce diesel fuel and hydrogen by harnessing light energy and biomass-derived feedstocks. The process uses light energy to drive the valorization of downstream biomass products, resulting in high-light transformation efficiencies and higher rates of hydrogen production.
Researchers have created a graphene-based sandwiched superstructure that enables efficient transport of nanoparticles inside cell membranes, outperforming traditional carriers in anti-cancer efficacy. This discovery could significantly improve cytotoxicity effects and pave the way for novel membrane-specific drug delivery modes.
Researchers discover parvifoline AA, a natural compound, stimulates NKG2D ligands on cancer cells, making them more recognizable and targetable by NK cells. This increases the effectiveness of NK cell-based tumor immunotherapy.