Researchers have identified an endocannabinoid, 2-linoleoyl glycerol (2-LG), responsible for activating TRP channels in photoreceptor cells. This discovery sheds light on the visual transduction process and may have implications for other sensory systems.
A team of scientists has directly visualized the rotary motion of a bacterial cell protein, resolving a long-standing structural symmetry mismatch. The study found that the coupling between the two motors is rigid, requiring additional pauses during rotation to resolve the mismatch.
Simulations suggest a 'day at the beach' for life on Earth-like exoplanets around red dwarfs, increasing chances of finding multiple analogs in coming decades. This discovery sheds light on the diversity of water content in terrestrial exoplanets, which is crucial for a temperate climate.
Researchers at National Institutes of Natural Sciences observe plasma heating due to electromagnetic waves for the first time. They used a new measurement system to capture ultrahigh-speed data, revealing that Landau damping transfers energy from high-energy particles to electromagnetic waves, which then heat the plasma.
Scientists observed optical gradient force on chiral gold nanoparticles, revealing difference in force between D-form and L-form particles. The study also uncovered a previously unknown effect of wavelength on chirality-dependent optical forces.
A new simulation suggests that gravitational interactions, not over-eating, are responsible for the Milky Way Galaxy's peanut-shaped and nuclear bulges. The study reveals a clear break in star ages between the two types of bulges, indicating when the bar formed.
Research reveals that heat-escape behaviors vary among frog species due to functional changes in thermal sensors. The study suggests that perception of noxious heat plays a crucial role in the evolutionary adaptation, while heat tolerance is relatively less important.
Scientists have successfully implemented the world's fastest two-qubit gate in a quantum computer, achieving an impressive speed of 6.5 nanoseconds using cold atoms cooled to near absolute zero and optical tweezers. This breakthrough has significant implications for the development of ultrafast quantum computing hardware.
A super-Earth planet, Ross 508 b, has been discovered near the habitable zone of a red dwarf star 37 light-years from Earth. The planet's orbit is elliptical, potentially placing it in the habitable zone for part of its orbit.
The study reveals that top-down information from the higher-order motor cortex to the primary motor cortex is crucial for motor learning, while newly formed synapses in the thalamus store acquired motor memories. This challenge to the widely held view suggests a two-step process for motor skill learning.
Researchers analyzed archive data from powerful cosmic explosions to find a new way to measure distances in the universe. They identified a class of 179 gamma-ray bursts with common features, which can be used as a cosmological tool.
Researchers have made significant advancements in understanding the electronic structure of graphite, a crucial component in battery production. The study's findings highlight the importance of surface effects in bulk intrinsic electronic state measurements, revealing new insights into the material's electrical properties.
The study reveals multiple dimeric structures of cadherins in solution, including W-, cross-, and S-shaped dimers. The researchers propose a novel conformation, the S-shaped dimer, and suggest that binding mechanism progresses through sliding motion followed by flipping motion to form stable SS-dimers.
Researchers developed a novel approach to modulate astrocyte activity and drive therapeutic circuit reorganization in neuropathic pain. By combining established clinical tools, they successfully alleviated allodynia and dismantled inappropriate neural connections.
Scientists successfully controlled and manipulated ultrafast electronic motion using a tandem undulator in a synchrotron light source. The technique enables researchers to study ultrafast phenomena in atomic and molecular processes on natural time scales.
A research team reanalyzed M87 data using standard tools, revealing a core at the galactic center instead of the ring structure observed by the Event Horizon Telescope. The study validates EHT results and provides new insights into the astrophysical jet extending from the core.
Researchers used topological mathematics and machine learning to identify a hidden relationship between nano-scale structures and thermal conductivity in amorphous silicon. They found that the persistent homology diagram can be used as a descriptor for machine learning, achieving accurate predictions about thermal conductivities.
During plant spermiogenesis, the number of mitochondria decreases through autophagy, resulting in a characteristic pattern. This process is distinct from animal reproduction, where organelles are removed by neighboring cells through phagocytosis.
Researchers observed a periodic rocky near-Sun comet, 323P/SOHO, breaking apart due to intense radiation from the Sun. This process, known as thermal fracturing, may explain why there are few such comets in our Solar System.
Researchers used a new simulation code to study the formation of star clusters and found that massive stars can eject off-center bubbles in the Orion Nebula. The simulations matched observations, showing that ejected stars can initiate ionized bubbles before falling back into the cluster.
Astronomers used the Cosmic Evolution Survey to discover active supermassive black holes in distant galaxies. These findings suggest that a supermassive black hole can disrupt gas and prevent star formation, leading to the sudden end of galaxy star formation.
A research team discovered that spermatogenesis is impaired at multiple steps when testicular temperatures rise above 34°C, leading to cell death and male infertility. Organ culture experiments showed sharp temperature dependencies between 30°C and 40°C, with meiosis severely affected at 37–38°C.
Researchers at NIFS have made a groundbreaking discovery in fusion plasmas, finding that turbulence moves faster than heat. This characteristic allows for predictive control of plasma temperature, paving the way for real-time manipulation. The study used advanced instruments to measure turbulent behavior with unprecedented accuracy.
Chronobiologists have identified a crucial mechanism involved in the setting of the circadian clock of cyanobacteria, a model organism for studying circadian systems. The study reveals that the KaiC protein's dual ATPase active sites communicate through an interface to regulate the assembly and disassembly cycle of other clock proteins.
Researchers discovered a stronger flow in the plasma core surrounding the thermal insulation layer in deuterium plasmas, leading to better thermal insulation. This finding could improve future fusion power plants using deuterium and tritium as fuels.
An international team of researchers analyzed data from 25 hot Jupiters, finding a link between thermal inversions and the presence of hydrogen anion and metallic species. These findings will help establish a generalized theory of planet formation, improving our understanding of all planets, including Earth.
Research shows that stable basal ganglia activity is essential for smooth movements, as disrupting this activity leads to unstable and involuntary movements. The study used a chemogenetic tool to suppress neural activity in the subthalamic nucleus of macaque monkeys, inducing abnormal movements.
Researchers developed a new method of deep brain stimulation driven by motor cortical activity to treat Parkinson's disease. This approach, known as adaptive DBS (aDBS), uses γ2 band activity from the primary motor cortex to modulate stimulation parameters and reduce battery consumption.
Researchers have studied the atomic structures of KaiC, a cyanobacterial clock protein, to understand its role in regulating circadian rhythms. The study reveals that allostery drives the clock, with phosphorylation and ATP hydrolysis cycles working like two gears.
Researchers found a missing link between galaxies and quasars, discovering a supermassive black hole in archived Hubble Space Telescope data. The object, GNz7q, appears to be a black hole just starting to overpower its host galaxy in the process of becoming a quasar.
Astronomers have discovered the most distant galaxy candidate yet, named HD1, with a distance of approximately 13.5 billion light-years. If confirmed by observations with the James Webb Space Telescope, HD1 will be the most distant galaxy ever recorded.
A team of researchers has discovered a young protoplanet forming in the disk of a nearby star, providing new evidence for an alternative planet formation mechanism. The study's findings challenge traditional models of planet formation and offer insights into the evolution of exoplanets.
Researchers have discovered that magnetic fluctuations can reduce heat load on fusion devices by propagating turbulence. This breakthrough enables a new method for controlling turbulence and maintaining high central temperatures in the plasma.
A new report from a Japanese research consortium found that short-term indicators may not reveal the real impact of immunology and allergy research. The study compared funded research and evaluation measures in Japan, the UK, and the US, revealing differences in quality and public engagement.
Researchers discovered that pain neuron-derived peptide Reg3gamma suppresses microglial IDO1, a key enzyme of the kynurenine pathway, and enhances brain ATP production. This discovery provides novel insights into understanding tolerance to endotoxic death.
Scientists at Japan's National Institute for Fusion Science discovered a self-sustained mechanism that controls the heat load on the divertor in a fusion reactor. By analyzing the magnetic island and plasma current mirror, they found a competition between two processes that can be described by a biological predator-prey model, which su...
A deep learning model has been developed to infer horizontal motion on the Sun's surface using temperature and vertical motion data. The technique shows promise for future high-resolution solar observations and laboratory plasmas.
Researchers have created a new solid electrolyte that enables fast hydrogen conductivity in the intermediate temperature range of 200-400°C. This breakthrough could lead to more efficient fuel cells and electrochemical reactors for sustainable energy.
Researchers have developed an efficient organic light-emitting diode (OLED) that can produce bright emission equivalent to a typical display using a 1.5-V battery. The OLED achieves a lower operating voltage than expected, with characteristics of charge transfer states at the interface being key to its efficiency.
Researchers developed OptoMYPT, an optogenetic tool that reduces actin and myosin-based contractile force. By applying blue light, they accelerated cell cleavage furrow ingression speed and disrupted cortical tension, revealing the importance of optimal forces for normal cell division.
Researchers found over 70-170 free-floating planets (FFPs) in the Upper Scorpius young stellar association, almost doubling the number of known FFPs. The sheer number suggests that planets formed around stars and then banished to darkness are an important contribution.
A team of astronomers used a 3D simulation to study dust motion and growth in a protoplanetary disk around a young star. They found that large dust particles can be entrained by gas outflows and eventually fall back onto the outer regions of the disk, enabling planetesimal formation.
A supermassive filament eruption has been observed on a Sun-like star, EK Draconis. The filament was large and fast, posing severe impacts on planetary environments. This finding sheds light on the origins of life on Earth and potential life on other planets.
Researchers developed novel photon upconversion systems with heterojunctions of bilayer films of organic semiconductors, achieving two orders of magnitude higher external quantum efficiency than conventional systems. This breakthrough enables bright yellow emission in flexible thin films for optogenetics and biosensing applications.
Simulations show that a migrating planet can produce patterns matching those observed in disks, explaining why planets are rarely found near outer rings. The findings also help to confirm the planet theory for ring formation.
Researchers discovered that a heat-soluble protein from tardigrade cytosols self-assembles into fibrous condensates under desiccation conditions. This dynamic organization suggests multistep anhydrobiotic mechanisms, allowing organisms to survive without water.
Researchers found that a balance between dopamine D2 receptors and RGS is crucial for normal long-term memory formation. An imbalance in these molecules is thought to contribute to the development of schizophrenia and dystonia.
Researchers analyzed ALMA data to create the first animation of a young twin star system's orbital motion over three years. The study found that the disks surrounding each star are significantly misaligned with respect to each other, supporting the idea that the system was formed via molecular cloud fragmentation.
Researchers analyzed deuterium abundance ratios in protoplanetary disks and found significant variations within a single disk, suggesting differences in chemical composition and physical state at formation sites. The study also reveals the presence of complex organic molecules, including nitriles, in planet-forming disks.
Researchers created a massive virtual universe, Uchuu, consisting of 2.1 trillion particles in a computational cube spanning 9.63 billion light-years. The simulation allows for the study of dark matter and large-scale structure on an unprecedented scale.