Increasing temperature weakens spin-orbit coupling in topological insulators like Bi2Se3, Bi2Te3, and Sb2Te3, driving a transition to normal insulating state. This phenomenon suggests that temperature could serve as a new knob for controlling materials' electronic properties.
Researchers have identified a molecular switch driving the spread of aggressive triple-negative breast cancer, a subtype with poor outcomes. Restoring a naturally occurring molecule called miR-342 reduced metastatic disease in pre-clinical models.
Astronomers have discovered a new population of faint, rapidly fading remnant radio galaxies, revealing a shorter, more dynamic afterlife of black hole jets. The study found that these remnants are relatively young, with ages ranging from 8-42 million years, and span a wide range of evolutionary stages.
Neuroscientists have identified flexible modules in the prefrontal cortex that can be reused to perform various tasks. The discovery supports the theory of compositionality, where cognitive building blocks can be flexibly combined to generate new behaviors.
Researchers identified a brain circuit that enables comparison between current and previous sensory information to aid judgment. The pulvinar region in the thalamus provides advice on how much sensory information has changed, helping the brain make predictions about what's happening.
Researchers have developed a novel method to control miniature rotations using water flow at a surface, allowing for the creation of targeted ultrafine structures such as twisted fibers for wires and sutures. This approach enables the assembly of complex structures without mechanical contact or chemical propulsion systems.
Scientists have discovered that marsupial forelimbs rapidly develop over a four-day period, challenging current understanding of limb development in vertebrates. This finding highlights the unique biology of marsupials and has important implications for conservation efforts.
Researchers at Olivia Newton-John Cancer Research Institute discovered that reduced BECLIN1 levels weaken the gut's protective barrier, leading to increased susceptibility to inflammation and disease. This finding may help explain why some people are more susceptible to gut inflammation and associated diseases.
The XMM-Newton and Chandra space telescopes have spotted the aftermath of three bright explosions echoing through the Milky Way's outer spiral arms. The team measured the distance to these echoes directly, finding two arms - Outer Scutum-Centaurus Arm and Outer Arm - lie up to 10% further away than previously thought.
Researchers have developed a non-invasive method to determine chicken egg sex, assess quality, and detect fertilization using light-based optical spectroscopy. The technique could curb the practice of killing billions of male chicks at birth, reducing animal suffering and promoting more sustainable farming practices.
Researchers have developed a new theory that enables the description and simulation of non-reciprocal interactions, which are essential for studying complex systems like flocks and swarms. By introducing auxiliary degrees of freedom, physicists can now accurately model these systems using established methods.
A global report warns of a looming shortage of nearly 100 million cancer care workers by 2050, driven by rising cancer rates and workforce gaps. This will place significant strain on health systems worldwide, particularly in nursing and diagnostic roles.
Herrera-Estrella is one of 90 new Fellows to the Royal Society, known for his groundbreaking research on plant adaptation to environmental extremes. His work has secured over $10 million in funding and led to the development of innovative phenotyping machines.
A new preclinical study reveals that an overactive viral sensor in the immune system can cause severe complications during flu infection in pregnancy. By blocking this sensor, researchers hope to prevent harmful inflammation and protect developing babies.
Researchers at MIT's Picower Institute have identified key properties that influence how neurons respond to visual stimuli, including distance from the soma and local clustering. These findings provide insight into how brain circuits process information and may shed light on neural disorders.
A new study proposes a model to analyze the dynamic cumulative effect (DCE) of ballast settlement on ballasted tracks. The results show that DCE exacerbates deterioration and affects dynamic performance, especially in ballasts with higher moisture content.
Researchers have developed a simplified mathematical model of learning in neural networks, shedding new light on how these systems produce their responses. The toy model, inspired by physics principles, captures key features of complex systems and offers insights into the surprising efficiency and stability of modern AI systems.
Astronomers using the James Webb Space Telescope discovered a galaxy that is not rotating, contradicting current theories about galaxy formation. The team believes this galaxy may have been formed after a single collision between two galaxies, making it a rare and unexpected finding.
Researchers at Texas A&M University have demonstrated a new approach to light-driven motion, showing that lasers can be used to lift and steer objects in multiple directions without physical contact. The breakthrough enables travel to Alpha Centauri within roughly 20 years.
Researchers tracked galaxy clusters to test gravity's strength, finding it weakens with distance as predicted by Newton and Einstein. The study confirms the existence of invisible dark matter, closing the door on alternative theories like Modified Newtonian Dynamics.
A new study by MIT researchers uses advanced human cell cultures to model Rett syndrome, revealing distinct abnormalities caused by two different mutations of the MECP2 gene. The findings suggest that correcting key differences made by each mutation requires different treatments, paving the way for personalized therapies.
Researchers use high-resolution simulations to model the disruption of stars near supermassive black holes, uncovering details about their mass, spin, and orientation. The study sheds light on the formation of tidal disruption events (TDEs), which offer a unique way to observe these invisible objects.
Scientists at NUS create a DNA-based approach to directly measure the activation of Piezo1, a key protein that allows cells to detect physical forces. They find that Piezo1 can be activated by a force of about 15 piconewtons, providing new insights into cellular mechanics.
A team-based buprenorphine clinic incorporated a trained chaplain into patient care, providing a psychologically safe space for conversation and supporting patients in identifying recovery capital. The clinic reported successful outcomes, with eight patients achieving at least 12 months of sobriety.
Researchers found that measures of blood vessel health from routine blood pressure readings can identify adults at increased risk for dementia. Vascular aging patterns may provide meaningful insight into future dementia risk, and managing vascular health earlier in life may influence long-term brain health.
MIT neuroscientists have found that two genetic mutations causing Rett syndrome compromise the structural integrity of developing blood vessels, leading to leaky vessels. Overexpression of miRNA-126-3p is responsible for the vascular defect, which can be rescued by reducing the miRNA's levels.
A new study has shown that hospital analysers can accurately distinguish genuine liquid medical products from fakes, providing a low-cost screening tool to complement established methods. This breakthrough addresses a global health threat, with an estimated 10.5% of medicines worldwide being substandard or fake.
Researchers used DNA barcoding to track cancer cells in solid and liquid biopsies, finding that tumour heterogeneity varies widely depending on necrosis and tumour burden. This study suggests that combining both strategies may provide a more accurate representation of the disease.
Researchers at New York University have created a new type of time crystal that levitates on a cushion of sound, defying Newton's Third Law. This breakthrough has significant implications for technology and industry, and provides insights into biological clocks and biochemical networks.
Dr. Ronald C. Kessler's decades-long research transformed international understanding of psychiatric disorders and suicide prevention. His work exposes the global scope of mental health challenges and highlights key factors in prevention.
A team of astronomers at Cardiff University and UCL discovered a mysterious bar-shaped cloud of iron atoms inside the Ring Nebula, which is roughly 500 times longer than Pluto's orbit. The discovery was made using a new instrument on the William Herschel Telescope, allowing for unprecedented detail in observations of the nebula.
A team of astronomers using the WEAVE instrument discovered a bar-shaped cloud of iron atoms inside the iconic Ring Nebula. The iron bar is roughly 500 times longer than Pluto's orbit and has a mass comparable to Mars, raising questions about its formation and composition.
Researchers have made a groundbreaking discovery about how bacteria swim upstream to cause infections, pointing to new designs for biomedical devices that can prevent contamination. The study found that wider channels with faster counterflows are more prone to invasion, but sharp corner designs can inhibit bacterial growth.
Mircea Stan, a University of Virginia professor, has been awarded the National Academy of Inventors fellowship for his innovative work on low-power computer technology. His contributions have enabled significant energy savings and improved performance in electronic systems.
Researchers developed a 3D electrical imaging technique to study defect passivation in perovskite films. The study found that bulk and surface passivation strategies improved charge transport, with filmstreated with both showing the most uniform conductive pathways.
Researchers discovered a molecular 'safety switch' shielding cancers from immune attack; blocking the TAK1 gene makes cancer cells easier to eliminate. This finding may improve existing cancer immunotherapies and offer new treatment options for patients.
A new AI framework uncovers simple, understandable rules governing complex dynamics in nature and technology. The AI generates equations that accurately describe complex systems, revealing hidden variables that govern their behavior. This approach offers scientists a new way to leverage AI for understanding complex systems.
Biologists have discovered that the talin protein is crucial for successful cell adhesion in animals, a mechanism likely developed from single-celled organisms. The study reveals the evolutionary conservation of this ancient adhesion mechanism, providing new insights into the origins of animal tissues and organs.
The study reveals a relationship between X-ray luminosity and rotation velocity, with the accretion system changing during the faint phase. The height of the accretion column was found to change with the 10-year flux modulation.
Astronomers discovered a never-seen-before blast from a supermassive black hole, whipping up powerful winds at 60,000 km per second. The event was triggered by an X-ray flare and formed in just one day, providing new insights into the magnetism of active galactic nuclei (AGNs).
Researchers found that the prefrontal cortex sends customized signals to visual and motor regions, influencing their activity based on arousal levels and movement. The study reveals distinct roles of prefrontal subregions in shaping visual processing, with one region enhancing stimuli detection and another dampening irrelevant stimuli.
Generative Artificial Intelligence could lead to a renewed emphasis on conversational approaches to teaching, researchers argue. This involves teachers and students exploring problems together, discussing ideas from different angles, and testing concepts through collaborative work.
A combination of immunotherapy drugs shows improved response rates and long-lasting tumor suppression in patients with mismatch repair-deficient and microsatellite instability-high cancers. The results broaden treatment options for these biologically aggressive cancers.
Astronomers have confirmed the first sighting of a giant explosion on a nearby star using XMM-Newton and LOFAR telescopes. The coronal mass ejection (CME) was detected in a star with a magnetic field 300 times more powerful than our Sun, capable of stripping away the atmospheres of planets in its path.
Chameleons have two long, coiled optic nerves that enable their remarkable ability to look in two different directions at once. Researchers used CT scanning technology to visualize the hidden structure, revealing a unique trait not seen in any other lizard.
A team of researchers proposes a theoretical framework to induce non-reciprocal interactions in solid-state systems using light. By applying dissipation-engineering scheme, they predict a non-equilibrium phase transition called non-reciprocal phase transition, leading to a spontaneous and continuous rotation of magnetization.
A new study from UBC Okanagan has mathematically proven that the fundamental nature of reality operates in a way that no computer could simulate. The researchers demonstrate that a complete and consistent description of everything requires non-algorithmic understanding, which is beyond algorithmic computation.
Australian researchers have discovered that common nervous system components, neuropeptides and their receptors, drive tumour growth in gastrointestinal cancers. Drugs targeting these components, already used to treat migraines, may be repurposed as cancer treatments, providing promising new avenues for treatment.
A new study by MIT neuroscientists reveals that circular RNA, specifically circHomer1, strongly influences how neurons build circuit connections during visual system development. Knocking out circHomer1 prevents synapse maturation and delays expected neural adjustments in response to monocular deprivation.
A new study found that 2/3 people with chronic pain reach for comfort foods to cope, offering pleasure, distraction, and relief from negative emotions. However, this can lead to weight gain, which worsens pain and increases health risks.
Researchers have created a new class of lipid nanoparticles (LNPs) with complex internal arrangements, expanding their potential for carrying small-molecule drugs, proteins, metal ions, and mRNA. The breakthrough offers flexibility in designing delivery systems for different therapeutic molecules.
Education researchers at KU identify seven key problems in the field, including reviewer burnout and overgeneralizing. They propose transforming research by considering ethical, equitable, and sociotechnical inquiry and democratizing research through student involvement.
Scientists have successfully demonstrated quantum squeezing of a nanoscale particle, achieving motion uncertainty smaller than quantum mechanical fluctuations. This achievement paves the way for basic research and applications like autonomous driving without GPS.
A new study finds early scientific theories, such as those on gravity and molecular behavior, initially focused on inherent properties rather than external factors. The authors suggest cognitive constraints have driven this 'inherence bias', which persists in scientists' initial explanations of phenomena.
Paleontologists have identified a new species of dinosaur from Triassic fossil beds in South Wales, using modern digital scanning techniques. The fossil jawbone was correctly identified after being on display for over 125 years.
A new AI oracle aimed at solving complex physics problems has received $19.4 million in funding from the US Department of Energy. The project, led by the University of Michigan, will focus on developing artificial intelligence models to generate trustworthy data for engineering design of complex devices.
A new study published in Lancet found that evolocumab, a PCSK9 inhibitor, did not improve vein graft disease rates after coronary artery bypass surgery. The treatment substantially lowered LDL-C levels but had no effect on early saphenous vein graft failure.
Researchers have proposed a third prototype of antiferromagnetic tunnel junction, paving the way for faster and denser spintronic devices. The new design, which relies on interface effects rather than bulk properties, allows for strong spin polarization and high performance.
Researchers have discovered a new class of X-type antiferromagnetic materials that exhibit sublattice-selective spin transport and unconventional magnetic dynamics. This breakthrough enables precise control of the Néel vector, a crucial operation for antiferromagnetic spintronic data writing.
A new power flow algorithm for modern shipboard microgrids incorporating inverter-based resources has been developed, enabling the efficient management of energy at sea. The method incorporates grid forming control characteristics of inverter-based resources and can handle multiple energy sources sharing power proportionally.