A collaborative research group from Kyoto University investigates how animals balance information sharing with disease risk to form social networks. They propose an integrative framework that incorporates deleterious forms of social transmission, like infectious diseases.
Researchers from Kyoto University have developed a new method to synthesize dicarboxylic acids and generate hydrogen as a byproduct. Using renewable diols and an iridium catalyst, the process achieves greater efficiency and yield, offering a safer alternative for industrial organic chemistry.
Researchers at Kyoto University discovered a novel method of communication among cells using 'mechano-chemical' signals. The findings show that the movement of one cell can trigger a cascading reaction resulting in collective cell migration.
Astronomers have successfully detected a superflare on the nearby red dwarf AD Leonis, with one flare being 20 times larger than those emitted by our sun. The high-quality data from the Seimei Telescope has revealed intriguing phenomena, including an increase in high-energy electrons and unusual light patterns.
A new approach developed by Kyoto University scientists provides insight into the liver stage of the Plasmodium vivax malaria parasite. The method involves infecting human liver cells with mosquito-bred parasites, enabling researchers to study the parasite's life cycle and develop more effective treatments.
Researchers at Kyoto University create simplified artificial cell to investigate internal structure of cells. The team discovers two coexisting actomyosin networks with opposing functions that determine positioning symmetry.
A team of Kyoto University researchers has discovered an intimate connection between methylation and the body's circadian rhythms, linking ancient mechanisms in bacteria to humans. Disruption of methylation can cause various pathologies, including cancer, and inhibiting it in mice and human cells disrupted their body clocks.
A new machine learning approach classifies gliomas into low or high grades with near-perfect accuracy, enabling clinicians to choose the most effective treatment strategy. Researchers developed the method using MRI scans from over 200 patients and achieved an accuracy rate of 97.54%, outperforming state-of-the-art approaches.
Physicists from Kyoto University have developed a new 'Nucletouch' table that reimagines the periodic table of elements around protons in the nucleus, rather than electrons. This shift highlights alternative ways to illustrate natural laws and provides a fresh perspective on familiar elements.
A study by Toshitaka Suzuki found that birds can visualize a snake when hearing specific alarm calls from another species. The coal tit was observed to approach the experimental area during these calls, indicating it mentally retrieves 'snake' images.
Researchers at Kyoto University have created a coordination polymer glass membrane that functions similarly to liquid-based counterparts but offers improved mechanical and thermal stability. The new membrane enables efficient proton movement under dry conditions, leading to higher voltage production in hydrogen fuel cells.
Researchers at Kyoto University found that snakes and frogs engage in a delicate waiting game, where each animal waits for and anticipates its opponent's actions. This allows them to predict successful capture or escape outcomes.
Researchers at Kyoto University have successfully reconstructed the human segmentation clock using induced pluripotent stem cells (iPSCs), a key focus of embryonic development research. The study reveals novel genetic components and oscillation patterns of the clock, which controls the formation of organs and tissues.
Kyoto University scientists develop a device that mimics the movement of tears and blinking eyes, allowing for more accurate testing of ophthalmic drugs. The device shows promise in increasing filament production in corneal cells, potentially leading to improved ocular drug development.
Researchers at Kyoto University have improved the efficiency of organic solar cells by targeting the molecular backbone of the power-generating layer. The new design approach increased the excited state duration of the electron-accepting component, converting over 70% of light particles into current. Further modifications to the molecu...
Researchers at Kyoto University have successfully converted crystalline MOFs into glassy or liquid states, demonstrating porosity, ion conductivity, and optical properties. The new materials show promise for heat storage, gas permeation, and catalytic reactions.
Researchers at Kyoto University have designed a new compound that can bind to DNA and activate genes, which could lead to new treatments for cancers and hereditary diseases. The compound, called ePIP-HoGu, targets specific DNA sequences and recruits gene-modifying molecules.
Researchers discovered that two types of 'kinesin' molecular motors coordinate differently, with kinesin-1 working independently and kinesin-14 interacting to tune transport speed. This breakthrough expands understanding of cellular processes and basic life functions.
A 700,000-year-old fossil bone found in Japan indicates that a close relative of the modern dovekie was once thriving in the Pacific Ocean. The discovery suggests that dovekies were more abundant in Japan and the Pacific than previously thought.
A new live-imaging technique reveals the key role of Hes7 in regulating the segmentation clock, a process that governs vertebrae formation. The study also highlights the importance of timing in intercellular communication for normal development.
Kyoto University researchers have developed a new 'tumor-on-a-chip' device that can better mimic the environment inside the body. The device allows for the growth of tumor cells and blood vessels in three dimensions, enabling scientists to test potential cancer fighting drugs more effectively.
Researchers at Kyoto University discovered that Purkinje cell dendrites can filter and modulate incoming signals, enabling new learning mechanisms in the cerebellum. This finding provides insight into the brain's ability to modify itself and change signaling properties.
Researchers at Kyoto University developed a machine learning model that reconstructs neuronal circuitry by analyzing brain signal spikes, estimating the strength of nerve connections with high accuracy. The findings, published in Nature Communications, have the potential to elucidate how different brain regions process information.
Researchers at Kyoto University found that bottlenose dolphins can coordinate their behavior in a rope-pulling task, with initiators waiting for followers to reach the task and followers matching the initiator's swimming speed. This flexible coordination is likely rooted in their patterns of affiliative behavior.
A new bioinformatics tool, MHcut, reveals that microhomology-mediated end joining is more common in humans than previously thought. Using this tool and commercial genome-editing technology, researchers created precise gene mutations to model diseases, providing insights into rare and orphan diseases.
Researchers at Kyoto University developed a porous material that selectively captures CO2 molecules with high efficiency, converting them into valuable organic materials. The material can also be recycled without losing its efficiency.
Researchers at Kyoto University analyzed data from over 1,000 captive chimpanzees in Japan, revealing an average life expectancy of 40 years for adults, with males reaching 41.5 years and females 39.2 years on average. The study highlights the importance of providing long-term care to these intelligent, long-lived creatures.
A new study suggests that great apes, including chimpanzees, bonobos, and orangutans, possess a theory of mind, enabling them to understand others' mental states. The team observed that the apes anticipated an agent's actions based on their own experiences with different barriers.
Researchers at Kyoto University have developed a method to selectively amplify the effect of X-ray radiation on cancer cells. The technique uses specially designed silica nanoparticles loaded with gadolinium, which releases low-energy electrons when hit by precisely tuned X-rays, damaging cancer cell vital components and killing them.
A recent study by Kyoto University found that acute cerebellar inflammation causes 'depression-like' behavior in rats, characterized by decreased motivation and sociability. The research team discovered that microglia activation led to increased neuronal firing, causing the cerebellum to become hyperexcited.
Researchers at Kyoto University discovered that fruit flies can thrive on various diets due to their flexible response to carbohydrates. In contrast, genetic cousins of the fruit fly are 'nutritional specialists' and can only grow on specific plants. The study sheds light on how organisms adapt to different nutritional environments.
A team from Kyoto University found that collagen in the skin is organized in a mesh-like structure, with elastic fibers following the same orientation. This discovery has significant implications for understanding skin pliability and could lead to breakthroughs in skin grafts and transplantation.
Researchers in Kyoto have developed a 'quantitative biomarker' to assess the quality of corneal cells, allowing for prediction of their long-term efficacy through simple observation. This breakthrough has potential applications in preemptive medicine, enabling clinicians to intervene before severe symptoms appear.
A team from Kyoto University's Primate Research Institute found that female red skin color acts as a 'badge' of their social status, not fertility. Female Japanese macaques with darker/redder hindquarters are of higher social rank.
Researchers review 200 years of non-human primate interactions with their dead, observing behaviors like defense of deceased companions and emotional responses. The study reveals a complex cognitive understanding of death among primates, including an ability to grasp objects and distinguish between living and dead.
A team of Kyoto University researchers has created the smallest 'Great Wave' ever produced, just 1mm in width, without using pigments. This breakthrough uses Organized Microfibrillation (OM) technology to create a new palette of colors and applications in fields like anti-forgery technology, health, and food safety.
Researchers at Kyoto University have made significant advancements in dye-sensitized solar cells by introducing a new molecular dye that enhances power conversion efficiency to 10.7%, surpassing previous records. This breakthrough has the potential to revolutionize the field of sustainable energy.
A study by Kyoto University reveals that chimpanzees habitually catch and consume freshwater crabs, suggesting a year-round source of protein and salts for females and growing juveniles. This finding sheds light on human evolution and the diverse diets of our closest genetic relatives.
Scientists at Kyoto University have found a 'wake-up' signal that can unlock brain cells' regenerative potential. The discovery, published in Genes & Development, reveals the ebb and flow of gene expression that activates dormant neural stem cells.
A team from Kyoto University analyzed the dispersal patterns of golden lion tamarins, revealing that males and females use different tactics to maximize their reproductive success. The study aims to inform management strategies for conserving other threatened species.
Researchers at Kyoto University have made a breakthrough in understanding the root cause of abnormal sperm morphology in infertile mice. By modifying a single amino acid on a key protein, they were able to restore fertility in test mice, opening up new possibilities for treating infertility.
A newly discovered Medusavirus giant virus provides new insights into host-virus co-evolution, with features including DNA coding for five histones and unique capsid surface proteins. The discovery suggests a lateral gene transfer model between host and virus.
Researchers at Kyoto University have designed a temperature-controllable copper-based material that can dynamically change pore sizes, allowing for improved gas separation and storage. The material can selectively adsorb gases based on temperature, opening channels to separate gases with different molecular sizes.
Researchers observed flexible changes on crystal surfaces using real-time imaging, finding porous coordination polymer crystals can dynamically change shape when introduced to guest molecules. This property makes them attractive for developing devices that selectively adsorb gas molecules.
A study by Kyoto University found that microcredit programs in Bangladesh increased rice yield and overall crop farm income. Households also showed a higher adoption of hybrid and high-yield rice varieties. Additionally, there was a positive effect on cultivating owned land and livestock ownership.
A team at Kyoto University has discovered that individual cells sense and modulate themselves to form the spherical shape of the eye through a process called self-bending. This phenomenon generates a hinge that pushes cells into the cup-like structure, resulting in the formation of an optic cup.
Researchers at Kyoto University successfully created intense terahertz pulses to fine-tune the switching behavior of a phase-change memory material. This breakthrough could lead to faster and more stable memory technologies with increased density.
A new virus has been discovered that may help combat invasive fire ants by reducing their foraging activity and altering their dietary preferences. However, this could also impact the efficacy of conventional chemical control methods.
Scientists at Kyoto University have discovered a protein, AIP1, that plays a crucial role in regulating cell arrangement during wing development in fruitflies. The study reveals how cells sense and respond to tissue tension, which is essential for shaping tissues like wings.
Researchers from Kyoto University and ATR upgraded the interaction system for conversational android ERICA, giving her more dynamic speaking skills. The team focused on developing a system for 'attentive listening', allowing ERICA to engage in fluid dialogue with human subjects.