Research finds periodic oscillations in COVID-19 cases attributed to seasonal modulations and reporting bias. Mass gatherings are identified as the main cause of the COVID-19 disaster, while non-pharmacological interventions remain essential for controlling the epidemic.
Researchers discovered RNA editing events in lung adenocarcinoma and identified a new molecular subtype EC3 with the poorest prognosis. A simplified prediction model using eight RNA editing sites accurately distinguishes this subtype, which is associated with sensitivity to specific chemotherapy drugs.
Research finds that exposure to metals in PM2.5 exacerbates cardiovascular autonomic dysfunction in COPD patients, leading to increased heart rates. The study provides valuable insights into the disease burden of COPD associated with air pollution in China.
Mineral nanoparticles exhibit enzyme-like properties, catalyzing superoxide and H2O2 production, influencing microbial-mineral coevolution and nutrient cycling. Their discovery challenges traditional views on nanomaterials' inertness in Earth systems.
The new radiometric dating of the Tianqiaoling Formation provided an age of 212.8±2.5 Ma, indicating the peak development of the Tianqiaoling flora. This finding contributes to a better understanding of Late Triassic phytogeography in East Asia.
Physicist Generalized the Measurement Postulate in Quantum Mechanics, explaining state collapse and partial measurement, supported by the WISE interpretation and delayed choice experiment. The paper proposes a new understanding of wavefunction and its relation to the quantum system.
Researchers in China developed new NIR dyes based on the energy gap law, achieving efficient near-infrared phosphorescence without metals. The dyes demonstrated moderate to high performance, with TBPB@PVA films showing the best results.
Research on metal chalcogenide supertetrahedral clusters has explored their composition-structure-property relationships, functionality, and applications. The evolution of MCSCs has led to the development of new frameworks, discretization in superlattices, and site-dependent properties.
Scientists successfully create and manipulate quinary charge states in a single atomic defect of a 2D intermetallic semiconductor. This breakthrough enables the development of more compact solotronics devices with low energy requirements, overcoming the challenge of Coulomb repulsion energy.
Protein corona formation affects cationic liposome interactions with cells, altering internalization pathways and cargo distribution. Energy-dependent endocytosis replaces initial membrane fusion.
Researchers developed a non-Markov chain algorithm in a 2D mica-based RRAM device, exhibiting high on/off ratio and retention time. The device utilizes controllable ion transport to realize a multi-path non-Markov chain.
The LISA-Taiji network can constrain the Hubble parameter within 1% accuracy in just 5 years, potentially beating existing errors. Gravitational wave signals from compact binary coalescence offer a novel window for Hubble parameter determination.
Recent warming leads to a weakening of global dust storm activity, according to researchers from Tianjin University. The study found that changes in wind patterns and atmospheric stability are responsible for the decrease in dust storm frequency and intensity.
Research at the Laohu and Hasi Mountains in northeastern Tibet Plateau reveals that base level and lithology significantly affect fluvial landform development. Changes in drainage patterns and canyon formation are driven by variations in local base levels and bedrock lithology, leading to positive feedback loops that shape the landscape.
A new angiosperm, Gansufructus saligna, has been discovered in Northwest China, providing valuable insights into the evolution of flowering plants. The fossil specimens show characteristics of a small, terrestrial herbaceous eudicot with paniculate infructescences.
By achieving carbon neutrality, China can reduce PM2.5 concentrations from over 10 μg/m3 to around 8 μg/m3, meeting national air quality standards.
Researchers investigated seismic anisotropy in the Tianshan Tectonic Belt's upper crust, finding zoning patterns that correlate with tectonic stress fields. Time delays of slow waves also exhibit spatial differences, indicating stronger anisotropy in certain zones.
A new study evaluates the performance of CMIP6 models in simulating the global warming slowdown observed in the early 2000s. Most models fail to reproduce this phenomenon, despite presenting some improvements over CMIP5 models.
Researchers develop chip-compatible 3D nanoscopy that surpasses the Abbe diffraction limit using a broadly-tunable large-spatial-frequency-shift effect. This method offers advantages over existing superresolution techniques, including high stability, low cost, and integration with microfluidic and optoelectronic functional chips.
The China Dark matter Experiment (CDEX) has presented new limits for the couplings of weakly interacting massive particles (WIMPs) in the non-relativistic effective field theory approach, improving over current bounds in the low mass region. CDEX's analysis also extended the limit on WIMP-pion coupling to the mχ< 6 GeV/c2 region.
Researchers propose novel sulfur cycle model incorporating volatile organosulfur compounds to explain global occurrence of superheavy pyrite. The Cryogenian interglacial interval saw sulfidic oceans with pervasive VOSC generation, leading to vertical isotopic gradients and superheavy pyrite precipitation.
A new study finds that model biases in simulating tropical climate trends can significantly impact projections of extreme El Niô frequency change. By removing the impacts of these biases, researchers conclude that the extreme El Niô frequency is likely to remain unchanged in the future, contrary to original projections.
Researchers developed a new class of pneumatic artificial muscles (MAIPAMs) inspired by biological muscle-fiber arrays, enabling multiple-mode actuations like muscular hydrostats. The MAIPAMs have potential applications in soft robotics for tasks such as environment detection, object manipulation, and climbing.
Researchers develop light-emitting metallacages via coordination-driven self-assembly, overcoming aggregation-caused quenching challenges. The AIE phenomenon enables high luminescence efficiency in aggregate states, enabling applications in sensing, biomedicine, and catalysis.
Scientists create a 2D/3D hybrid perovskite heterostructure crystal, achieving high polarization sensitivity in photodetection. The device surpasses reported perovskite-based devices and is competitive with conventional inorganic heterostructure-based photodetectors.
Scientists have directly observed and measured the novel phenomenon of antichiral edge states in a circuit lattice. The results demonstrate that these edge states exhibit counter-propagating bulk states, opening new avenues for exploring the properties of antichiral edge states.
A new strategy combines AIEgen-mediated photodynamic therapy with Poly(I:C)-based immunotherapy to enhance anti-tumor immune responses. The system induces tumor cell death and stimulates cytokine release, demonstrating potential for preventing tumor recurrence and metastasis.
Recent study reveals significant strengthening of tropical Pacific western boundary currents (WBCs) over the past six decades, primarily driven by temperature change. The WBCs' intensification is attributed to a strengthening of trade winds in the western Pacific Ocean.
Researchers found glacial deposits in the Bodui Zangbo River valley that date back to before MIS-6. The age of these deposits suggests a glacial advance occurred during MIS-12, likely due to surface uplift and decreased temperatures.
The study provides precise geochronological constraints on the duration of the Yixian Formation and its units, revealing a shorter duration than previously estimated. The results suggest a rapid bio-diversification event during this period, supported by the exceptionally preserved volcanic-influenced ecosystem.
Scientists discovered that the record-breaking rainfall was influenced by all three oceans, with the Atlantic playing a dominant role. The study found that positive SST anomalies in the western North Atlantic induced changes in atmospheric circulation patterns that led to the extreme rainfall.
The Deep-time Digital Earth program is a 'big science' initiative that aims to transform research in deep-time Earth Science through data-driven abductive discovery. The program will create an open platform for linking existing deep-time Earth data and integrating geological data, enabling users to explore Earth's evolution by specifyi...
A new interactive technology called LotusMenu uses rotational motion to control a 3D menu, reducing fatigue and increasing user efficiency. The study shows significant improvements in completion time and user experience compared to traditional linear menus.
Researchers at Chinese Academy of Sciences developed a method to deposit high-dispersed Fe species into ZSM-5 micropores, resulting in high selectivity of cyclohexanone (92%-97%) and improved catalyst activity. The Fe content can be precisely controlled by varying ALD cycles.
Zheng and Qin et al. developed novel host-guest organic phosphorescence systems using commercially available compounds, achieving high phosphorescence efficiency and longest lifetime. The new systems utilize Förster resonance energy transfer (FRET) for improved performance.
Researchers successfully synthesize armchair graphene nanoribbons (AGNRs) on Cu(111) via lateral fusion of poly(para-phenylene). Oxygen introduction reduces temperature required for reaction, opening up new avenues for surface chemistry. This breakthrough could benefit various dehydrogenation reactions in on-surface synthesis.
The study provides direct visualization of SEI shell evolution during Li deposition/stripping, revealing anode degradation mechanisms. The work reveals the importance of in-situ characterization for understanding SEI properties and improving battery performance.
The study proposes a coupling model of the five spheres of the earth system with the oxygen cycle as the core. Key findings include the link role of the oxygen cycle in shaping our current habitable Earth and its effects on modern and geological time scales.
Researchers developed PTVT-T, a low-cost polymer with high photovoltaic performance, revitalizing classical conjugated polymers for efficient OSCs. The study achieved a remarkable 16.2% efficiency and demonstrated the potential of PTVT-T to match with new emerging acceptor materials.
Researchers found that a point mutation in the zebrafish slc20a1b gene significantly reduces the proliferation of hematopoietic stem/progenitor cells, resulting in a severe defect of hematopoietic development. The study reveals the indispensable role of slc20a1b in HSPCs, highlighting a novel regulation gene for cell cycle expansion.
Researchers developed a highly linear flexible pressure sensor with high sensitivity using soft micropillared electrodes, achieving linearity of up to 0.999 and sensitivity of 33.16 kPa-1 over a wide pressure range. The sensor has applications in intelligent robots, human-computer interaction, and health monitoring.
Researchers develop a thermally stable atomically dispersed Ir/MoC catalyst with an unusually high metal loading of 4 wt%, exhibiting remarkable reactivity, selectivity, and stability. The catalyst achieves high metal-normalized activity and mass-specific activity through the presence of isolated Ir atoms.
A research team has discovered a new type of superconductor by inducing an extended buckled-honeycomb-vacancy (BHV) ordering in Ir16Sb18. The superconductivity emerges when the BHV ordering is suppressed through extra atom squeezing or Rh substitution, competing with the ordered vacancy as a potential superconducting parent phase.
A study investigates the role of vertical coupling in TC genesis, revealing a key mechanism behind the formation of TCs. The research suggests that VHTs play a crucial role in connecting the middle- and lower-troposphere trough axes, leading to VC.
Cu-based small-pore zeolites have been demonstrated to be promising candidates for NH3-SCR catalysts due to their unique structural features and physicochemical properties. The latest advances in Cu-SSZ-13 applied to the NH3-SCR reaction highlight the significant opportunity presented by zeolite-based catalysts.
Scientists review advances in CO2 electrochemical transformation using ILs, focusing on CO2 reduction and organic transformation. They highlight the potential of ILs to improve selectivity and efficiency, enabling the production of value-added chemicals.
Researchers investigate coupling between mechanical stresses and grain boundaries in nanograined materials. Novel thermodynamic criterion quantifies stress impact on thermal stability; stresses play a vital role, unlike previous studies which ignored internal stresses.
The researchers propose a hybrid precoding architecture to reduce hardware cost and energy consumption in mmWave-enabled NOMA-UAV networks. They optimize UAV placement, user clustering, and power allocation to achieve a good balance between system complexity and performance.
Researchers at the University of Science and Technology of China and Tsinghua University successfully implement a five-qubit quantum error correcting code using superconducting qubits. They achieve high fidelity logical state preparation with an average value of 98.6%, verifying the viability of experimental realization of quantum erro...
The LAMOST survey has identified 1534 low-α metal-rich member stars of the Gaia-Sausage-Enceladus galaxy, challenging previous understanding of the merging process. The newly discovered component extends from a previously detected metal-poor region and suggests that these stars were formed during subsequent evolution.