Researchers develop natural-based, low-carbon building materials by mimicking the composite adhesive secreted by sandcastle worms, which binds grains together. These materials exhibit good mechanical performance and can be constructed from various grains using oppositely charged bio-polymer adhesives.
A team of researchers confirmed the spin of a black hole in galaxy M87 by analyzing data from 2000-2022, showing an 11-year cycle in its jet's precessional motion. The findings provide evidence that the black hole spins, enhancing our understanding of supermassive black holes.
A study found that two brain areas, typically associated with language processing, are also linked to social-semantic working memory. This challenge traditional views of language comprehension and its connection to social cognition.
Researchers have developed fresh tomatoes with improved stress tolerance and elongated fruit shapes, suitable for mechanized harvesting. The study identified the FS8.1 gene responsible for this trait, which promotes cell proliferation in the ovary wall, resulting in longer fruit shapes.
Despite recent advances in obesity research, governments struggle to curb rising rates, with experts identifying key unanswered questions about the causes of obesity. The intricacies of body weight regulation, energy demand sensing, and environmental factors are still unclear, highlighting the need for continued research.
Global temperatures are projected to reach unprecedented highs in 2023 due to factors such as El Niño and widespread wildfires. The China Global Merged Surface Temperature dataset 2.0 reveals that the year is expected to be the hottest on record, with global mean sea surface temperatures and land air temperatures reaching all-time highs.
Researchers have sequenced the genomes of Scaphopoda, a rare and understudied mollusk group. The study provides new insights into early Molluscan evolution, resolving a long-standing debate on the phylogenetic placement of Scaphopoda.
Millimeter structures moderately improve the overall entrainment process, accommodating liquids in larger quantities with less deviation. The capillary effect and viscous force drive entrainment, while gravity acts as resistance.
Repeated traumatic brain injury contributes to Alzheimer's disease by promoting de novo tau pathogenesis and facilitating pathological tau transmission in mouse models. Axonal microtubule disruption is a key molecular mechanism underlying rTBI-induced protein pathogenesis.
Researchers have developed a novel optical on-demand droplet release (OODR) system that uses lasers to efficiently sort and export single-cell cultures from static droplet arrays. The system reduces reagent usage and sample size, while maintaining cell viability and analysis accuracy.
A study found that the pheromone 4-vinylanisole reduces locusts' transition time from solitary to gregarious behavior, increasing social interactions. This discovery provides insights into locust behavioral plasticity and aggregation mechanisms.
The study reveals 15 distinct macrophage subtypes, including microglia-like cells and proangiogenic macrophages, which play critical roles in early tissue development. Macrophages were found to influence neural crest cell differentiation and contribute to vascular development during prenatal stages.
Researchers have provided new insights into the role of lipid droplet-localized CETN-SPDL1-L in regulating cone cell lipid droplet localization, crucial for light sensitivity. The study discovered centrin proteins and SPDL1-L collaborate to maintain correct lipid droplet placement.
A new species, Fujianvenator prodigiosus, exhibits a bizarre assembly of morphologies shared with other avialans, troodontids, and dromaeosaurids. The discovery provides insight into the early evolution of birds and their ecological adaptations.
Researchers at Chinese Academy of Sciences Headquarters have developed flexible solar cells with efficiencies comparable to conventional solar cells. They achieved significant power conversion efficiency gains by optimizing the material composition and guest component location in ternary organic solar cells.
The study reveals a quantum switching mechanism of LHCII, which regulates energy transfer quantum channel in response to lateral pressure and conformational change. This mechanism enables high efficiency in photosynthesis and balanced photoprotection.
Researchers have discovered fossils of ravens living alongside early humans in Beijing, dating back over 100,000 years. The findings suggest that ravens were resilient to climate change and provide valuable insights into the impact of environmental changes on bird populations.
A recent study using a novel method called FitCoal revealed a severe bottleneck in the human population that occurred approximately 117,000 years ago. This event led to a significant loss of genetic diversity, with an estimated 65.85% of current genetic diversity lost, but it also contributed to the formation of modern human chromosome 2.
A recent study published in Science suggests that an early ancestral bottleneck may have pushed modern humans to the brink of extinction. The research, conducted by scientists at the Chinese Academy of Sciences Headquarters, analyzed ancient DNA samples and found evidence of a significant population decline around 200,000 years ago.
Researchers discovered magnetic field transport in accretion flow and MAD formation near a black hole, resolving long-standing mysteries. The study reveals the first direct observational evidence for a magnetically arrested disk (MAD) through multi-wavelength observations.
CyDENT base editors allow efficient and precise modification of genetic information in living organisms. The system enables strand-specific base editing in nuclear and organellar genomes, with high strand specificity demonstrated in mitochondrial genome editing.
The study reveals the ability of organisms to achieve distinct body color patterns through precise control of pigment deposition. Gregarious locusts use their black-brown warning coloration to enhance aposematism by stimulating both visual and olfactory senses, facilitating recognition of conspecifics and maintaining large swarms.
Researchers detected distinct 'dwarf pulses' from PSR B2111+46 using the Five-hundred-meter Aperture Spherical radio Telescope. These narrow, weak pulses exhibit a rare reversed spectrum and are produced by one or a few particles generated by pair production in a fragile gap of the pulsar's magnetosphere.
Researchers found evidence of separate domestication events for Asian rice in different areas, with wild rice species O. rufipogon and O. nivara contributing to the genetic pool. The study provides a new framework for understanding the evolutionary history of domesticated rice.
A new strategy uses ionic liquid to induce deep grafting of polyelectrolytes onto polyamide layers, improving separation selectivity and resistance to fouling in nanofiltration membranes. This enhances water purification and resource recovery processes.
The study determined the cryo-electron microscopy structures of class B glucagon receptor bound to β-arrestin 1, revealing a unique tail conformation that differs from previously known arrestin-bound GPCR structures. This new mechanism may enable the development of novel biased ligands with pathway selectivity.
A study by Prof. WANG Lei and WANG Chih-chen’s group at the Institute of Biophysics (IBP) of the Chinese Academy of Sciences (CAS) establishes the relationship between oxidative protein folding and stem cell aging for the first time.
Researchers developed a precise crosslinking method to impart elastic recovery to ferroelectric materials. The new material combines elasticity with high crystallinity, offering broad application prospects in wearable electronics and smart healthcare.
The fossil discovery provides the earliest known evidence of birds consuming leafy greens from flowering plants. Analysis of microscopic residues in a 120-million-year-old bird skeleton reveals that Jeholornis was an herbivore, not a predator.
Researchers created a flexible and potent 'on-demand' whole tumor cell vaccine (TCV) that responds to near-infrared laser irradiation, boosting the immune response and effectively suppressing tumor growth. The TCV was tested in various murine xenograft models and showed promising therapeutic efficacy.
Researchers found five Green Pea galaxies with double-peaked narrow lines, suggesting dual active galactic nuclei (AGN) mergers. The study provides insights into the co-evolution of high-mass galaxies and supermassive black holes.
Researchers discovered that female gametes in flowering plants can still attract pollen tubes and produce seeds even without synergid cells. The central cell produces new types of pollen tube attractants, SALs, which are essential for fertilization recovery.
Researchers create biotissue-like rhythmic agglomerates using water and liquid metals, exhibiting aqueous properties and biorhythms. The unique capacity of liquid matter to generate biorhythms is revealed, opening opportunities for advanced soft robotic systems.
A recent study published in Nature Mental Health reveals that amotivation and anhedonia are key factors in determining social functioning among individuals with psychiatric disorders. The research found that these negative symptoms have a stronger impact on social functioning than expressive dysfunction, especially in patients with sch...
Researchers predict a significant increase in projected frequency of multiyear La Niña events under global warming. This is due to enhanced tropical-subtropical interaction and Pacific mean-state warming patterns.
A research team used space geodetic observations to study seasonal and intra-seasonal signal variations in the Earth's surface loads, finding subsidence and uplift in regions of positive and negative mass anomalies. The results indicate that space geodesy offers an effective method for studying surface loads and crustal movements.
A new process developed by researchers at the Chinese Academy of Sciences Headquarters greatly reduces bias in gene amplification, enabling high-coverage genome sequencing from single bacterial cells. The improved method uses an engineered phi29 DNA polymerase that is more efficient and robust than traditional versions.
Researchers developed a stable, porous molecular crystal using triptycene as a building block, leveraging noncovalent interactions to create a flexible material with high solubility and self-healing capabilities. The synthesized PMC exhibits excellent thermal and chemical resistance, making it suitable for various applications.
Researchers have confirmed the presence of autoproteolytic effects in Clostridium thermocellum, essential for transmembrane signal transduction. This discovery expands our knowledge of bacterial signaling mechanisms and highlights the complexity of prokaryotic signaling pathways.
Scientists have deciphered the Arctic flora's evolution over time, discovering its roots date back to the Early Late Miocene. The study reveals a complex dispersal corridor between the Arctic and western North America, with both immigration and in situ speciation contributing to biodiversity.
A team of scientists mapped the cell-type taxonomy in the macaque cortex using Stereo-seq and snRNA-seq technology. They found distinct cortical and regional specificity in glutamatergic neurons, GABAergic neurons, and non-neuronal cells, with significant correlations between cell composition and brain region structure.
Scientists identified structural origin of voltage hysteresis in manganese-rich NASICON-type cathodes and developed Mo-doping strategy to decrease defect concentration. This led to improved Coulombic efficiency and reversible capacity in Na-ion batteries.
A joint research team from Northeastern University and the National Astronomical Observatories of the Chinese Academy of Sciences has proposed a novel 21-cm forest probe to shed light on dark matter and the early formation of galaxies simultaneously. By measuring the one-dimensional power spectrum of the 21-cm forest, scientists can di...
A team from the Second Tibetan Plateau Scientific Expedition and Research (STEP) has made a significant contribution to understanding Mount Qomolangma's mean snow depth. They used a novel approach to ground-penetrating radar technology, resulting in a snow depth of 9.5 ± 1.2 meters at the summit.
Researchers have developed a new technology that uses acoustic tweezers to precisely control bacterial clusters in live mice, demonstrating a promising approach for targeted drug delivery and cellular therapy in cancer treatment. The technology, called PAHAT, enables precise non-contact manipulation of cells in living organisms.
Researchers found a major shift in Martian climate about 400,000 years ago, coinciding with the end of the last glacial period. The prevailing wind direction changed from northeast to northwest, eroding crescent-shaped dunes into longitudinal ridges.
Scientists discover evidence for possible change in Earth's geodynamics at 3.8 Ga, suggesting onset of plate subduction. The absence of heavy Si signature in oldest rocks (4.0 Ga) indicates no subduction required, but data reveals distinct shift in Si and O isotopes.
Researchers have discovered Rydberg moiré excitons in WSe2 monolayer semiconductor adjacent to graphene, exhibiting multiple energy splittings and a pronounced red shift. The discovery holds promise for applications in sensing and quantum optics due to the strong interactions with the surroundings.
Scientists have developed a new method to measure moderately saturated sources of the Ultra-Violet Optical Telescope onboard the Swift satellite. GRB 220101A is the most energetic ultraviolet/optical flare ever detected, with a luminosity approximately 400 quadrillion times that of the Sun.
A study published in Science Advances discovered that talitrids, a group of small crustaceans, independently colonized mountain habitats four times during the Oligocene and Miocene periods. Genetic adaptations allowed them to survive in colder environments and establish themselves in diverse habitats worldwide.