A new method has been developed to observe graphene growth on a microchip surface in real time, using a standard scanning electron microscope. This technique enables the reliable production of graphene layers and reduces growth times from several hours to just minutes.
Researchers at Brigham Young University have developed the world's most power-efficient high-speed analog-to-digital converter (ADC) microchip, reducing power consumption by three times while increasing speed. This breakthrough technology has vast applications in fields like autonomous vehicles, smart wearables, and implantable devices.
Researchers at the University of Washington successfully analyzed Micropholis stowi fossils excavated during a 2017-2018 collection trip to Antarctica. The findings reveal that this salamander-sized amphibian was more widespread than previously recognized, with evidence suggesting it could have adapted to various environments.
A two-year study found that providing patients with free access to essential medicines increases adherence by 35% and reduces total health spending by an average of over $1,000 per patient per year. The study, published in PLOS Medicine, tested the effects of free medication on a selected set of medications.
A global study found that nearly half a billion people with diabetes are not receiving comprehensive care, which can reduce health risks such as heart attacks, strokes, and nerve damage. The study highlights major gaps in specific care, including low cholesterol-lowering medication use.
Scientists at Tohoku University and Japan Atomic Energy Agency found a persistent rotation of chiral-spin structure in a non-collinear antiferromagnet Mn3Sn thin film. The rotation can be tuned by applied current, offering opportunities for applications like oscillators and random number generators.
A new computational model has been developed to predict the physical phenomenon inside very-high-temperature pebble-bed reactors. The model can accurately account for friction between fuel pebbles and its influence on cooling, allowing for safer and more efficient operation.
The SPRINT study found that lowering systolic blood pressure to less than 120 mm Hg significantly reduces the risk of heart attack, stroke, and death from cardiovascular disease. The study also showed a 25% decrease in all-cause mortality.
Researchers developed a novel method to detect and characterize nanoplastics in ocean water by using small invertebrates. The technique uses asymmetrical-flow field flow fractionation (AF4) and Raman spectroscopy to separate and identify nanoplastics, providing a more accurate measurement of these tiny plastics.
A study of Italian lockdowns found that business shutdowns significantly reduced COVID-19 deaths. The research estimated that the shutdowns saved over 9,400 lives in less than a month.
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.
A new brain imaging study reveals that infants use the hippocampus to recognize patterns, despite limited episodic memory, with the brain region doubling in size between 2-4 years old
Researchers at Ural Federal University develop clay bricks with added heavy metals that effectively protect against ionizing radiation. The new material is cheaper and more environmentally friendly than existing alternatives, making it suitable for use in nuclear power plants, medical institutions, and other applications.
A new study examines the antecedents of disaster preparedness in firms, finding that organizational experience with disaster is a powerful motivator, but also notes the importance of external learning and collaboration. Effective disaster preparation requires working with others to learn from best practices.
Finnish researchers have identified the LOXHD1 gene as the cause of nonsyndromic early-onset hereditary canine hearing loss in Rottweilers. The study's findings have implications for breeding practices, allowing dogs to be tested for the defective gene and preventing deafness in puppies.
A faster and cheaper COVID-19 test kit has been validated by Simon Fraser University researchers, offering an alternative to existing tests. The microchip-based test can provide accurate results in 30 minutes and requires significantly less reagent usage.
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 have shown that microglia play a central role in maintaining normal brain function and can fail to do so, leading to serious brain disorders. This new understanding has the potential to develop better diagnostics and treatments for these diseases.
Scientists have discovered that plutonium particles from nuclear testing in Australia are more complex and varied than previously thought. The particles, which were dispersed after nine atomic bombs were detonated in remote areas of South Australia, persist in soils to this day, posing a risk to wildlife and the environment.
A new study at UTHealth aims to reduce HIV incidence among trans women by combining HIV prevention services with gender-affirming care. The combination intervention, supported by peer health navigation, has shown promise in improving mental health outcomes and addressing the unique barriers faced by this population.
Scientists at UC San Diego School of Medicine discovered two enzymes, histone deacetylases (HDACs), that inhibit the body's inflammatory response in the skin. These enzymes allow the skin to tolerate certain microbes living on its surface while preventing a constant rash from developing elsewhere.
A research group has identified a genetic mechanism called CHLORAD that regulates tomato ripening by promoting carotenoid production and altering chloroplast transformation. Activated CHLORAD systems produce tomatoes with more lycopene, leading to higher nutritional quality and attractive color.
Preliminary research suggests that taking more daily steps can lead to a longer life, even if it's done in short spurts or as part of regular activities. The study found that women who took 2,000 additional steps per day during bouts had further benefits for longevity.
A new cognitive construct called 'decision acuity' was identified as a stable factor underlying diverse decision-making abilities in adolescents and young adults. Decision acuity was linked to factors such as fast learning, reward sensitivity, and low propensity for retaliation, and predicted performance in decision-making tasks.
A new study found that the 2016 US presidential election may have triggered potentially life-threatening heart rhythms and worsened high blood pressure in people with underlying cardiovascular disease. Researchers linked data from cardiac devices to find a significant increase in arrhythmias during the election period.
A new mechanism of condensation has been discovered in self-propelled particles, where they turn and move toward dense regions to accumulate. This finding challenges the traditional understanding of condensation, which relies on attractive forces between molecules.
The new device measures cardiac micropotential energies in real-time, allowing early detection of abnormal heart function. It has shown sensitivity and potential to prevent sudden cardiac death, with successful tracking of a volunteer's heart function over four years.
Researchers have identified a new canine-like coronavirus found in Malaysian pneumonia cases, indicating potential for animal-to-human transmission. The discovery highlights the need for better surveillance to detect novel coronaviruses and mitigate public health threats.
Experts recommend a mandatory UK register of doctors' financial and non-pecuniary interests. The proposed register aims to increase transparency for patients and reduce potential conflicts of interest, following concerns raised by the Cumberlege review.
A new study suggests that DJ-1 protein, which protects against free radicals inside cells, worsens inflammation outside the cell, leading to exacerbated pathologies in ischemic stroke. The researchers identified DJ-1 as a previously unknown inflammatogenic DAMP that may be a potential target for therapeutic intervention.
A brain-computer interface that mimics tactile sensation has significantly improved robotic arm control for a person with tetraplegia, performing tasks comparable to able-bodied humans. The new system, which reads and writes neural activity, reduces trial times by half compared to previous versions.
The co-planar optoelectrowetting device allows for individualized and parallel droplet actuation, increasing microfluidic input/output system integration configurations while achieving faster droplet speeds. The open-top design enables easier access to droplets from above, improving the performance of the device.
Researchers have developed a new, pixel-sized light detector that can accurately amplify weak signals in real-time, giving autonomous vehicles a fuller picture of their surroundings. This breakthrough increases sensitivity and consistency, making it ideal for lidar receivers and applications in robotics, surveillance, and terrain mapping.
Researchers have successfully grown sesame-seed-sized heart models using human pluripotent stem cells, which spontaneously self-organize into a hollow chamber without experimental scaffolds. The cardioids' wall-like tissue contracts rhythmically to squeeze liquid around the inside cavity, mimicking natural development.
A new iron-nitrogen-doped carbon catalyst has been developed to preferentially reduce nitric oxide to hydroxylamine, reducing harmful air pollutants. The catalyst achieved efficient (71%) NH2OH production in a prototypical NO-H2 fuel cell and exhibited long-term stability.
Researchers at the University of Plymouth developed a cutting-edge technique to measure energy use in developing embryos using timelapse video pixels. The method captures detailed changes in energy usage as an energy signature, providing a greater breadth of biological response.
A new study projects that climate change will exacerbate global food and hunger challenges, leading to increased mortality and disability. Researchers suggest that investing in agricultural R&D, irrigation systems, and market access could help mitigate these impacts.
A review of virtual reality training programs found that they can elicit empathetic behavior in medical radiation technologists, improving patient-centered care. The study suggests VR may be an effective tool for learning care recipients' perspectives and controlling biases in future research.
Researchers at the SETI Institute have detected rare meteor showers caused by 4000-year-old comets. The Cameras for Allsky Meteor Surveillance project uses low-light video security cameras to measure meteors' trajectories and orbits, revealing nine parent bodies of previously unknown meteor showers.
Research from Harvard University suggests that solar geoengineering may be surprisingly effective in alleviating some of the worst impacts of global warming on crops. The study found that all three potential methods have a strong cooling effect benefiting crop yields.
Research team from Shaanxi Normal University investigates the effect of alkaline metal cations on electrocatalytic CO2 reduction reaction using Fe porphyrins. The results show that adding Na+ and K+ ions significantly improves catalytic activity, with K+ enhancing currents more effectively.
Researchers achieved stable partial energy detachment and suppressed material sputtering using Ar and Ne seeding. The study provides a feasible experiment program for maintaining steady-state plasma under high-power long-pulse conditions.
A recent study presented at the American Heart Association's conference found that black adults who consumed ultra-processed foods were at a 55% increased risk for high blood pressure compared to white adults. The study analyzed data from over 6,000 participants and used the NOVA system to categorize food processing levels.
A study found that violent crime rates in urban Black and Hispanic communities are associated with higher rates of physical inactivity and obesity among adults. The analysis, which examined 2018 data from Chicago's police records and CDC data, suggests that exposure to violence may be a contributing factor to these health disparities.
Researchers at Duke University Medical Center discovered a new type of anti-glycan antibody that can neutralize HIV by targeting its sugar coating. This breakthrough points to a novel vaccine strategy that could also be used against SARS-CoV-2 and fungal pathogens.
A large-scale research project assessed Earth's 92,033 debris-covered glaciers and found that debris substantially reduces glacier mass loss. This discovery will improve risk assessment for communities near these glaciers, which can lead to glacial lake formation and potential flood hazards.
Researchers at Ruhr-University Bochum have discovered a universal functional mechanism of channelrhodopsins, which determines their efficiency as an optogenetic tool. This finding will help tailor more efficient optogenetic tools in the future by blocking inefficient pathways.
Adaptimmune Therapeutics plc reports initial data from its Phase 2 SPEARHEAD-1 trial showing a high response rate of 41.4% for patients with synovial sarcoma, including two complete responses and encouraging initial safety and durability. The trial's results support the company's BLA submission next year.
A new study from the University of Eastern Finland found that people with Alzheimer's disease are less likely to undergo cataract surgery compared to those without the condition. This decrease in procedure rate starts one year after diagnosis, highlighting a concerning trend that may impact patients' quality of life.
Researchers have demonstrated that HERV activation can impair brain development, leading to altered cortical neuron function and structure. This finding has important clinical implications, particularly in the context of neurodegenerative diseases.
The GEM ExTra test uses whole exome sequencing and RNA sequencing to detect actionable mutations in patients with advanced solid tumors. It has been validated through clinical utilization and provides clinically actionable information to guide patient management decisions.
The special issue explores various aspects of risk sciences and resilience analytics to guide decision-making and operations related to the COVID-19 pandemic. Papers cover topics such as risk perception, human health and infection risk, and risk management strategies.
Researchers at the University of Pittsburgh developed a brain-computer interface that uses brain stimulation to evoke tactile sensations, improving control of a robotic arm. The study found that supplementing vision with artificial tactile perception cut the time spent grasping and transferring objects in half.
Researchers developed cardioids, human self-organizing cardiac organoids that recapitulate heart chamber formation and function. The model reveals how signaling and transcription factors control cardioid chamber formation and triggers an in vivo-like accumulation of extracellular matrix proteins after injury.
Women who experience early menopause before age 40 have a 40% increased risk of developing coronary heart disease over their lifetime. The study suggests that clinicians should ask women about their menopause status earlier to optimize cardiovascular health and prevent heart disease.
Women with a history of weight cycling experience shorter sleep duration, poorer sleep quality, and increased risk of insomnia. The study also found that weight cycling is associated with an increased risk of obstructive sleep apnea, a serious health problem linked to heart disease and stroke.
Researchers at NUS have developed a method to increase the rate of ethylene hydrogenation by more than five times compared to typical industrial rates using oscillating electric potentials on commercial catalysts.
Researchers propose a new atavistic model of cancer, suggesting that ancient genes and reversions to ancestral forms are responsible for cancer's ability to survive and proliferate. The Serial Atavism Model challenges the conventional standard model of cancer, offering a novel perspective on the disease.
A new study developed by researchers at the University of Texas at Austin provides a method for public health planning authorities to calculate the number of COVID-19 isolation beds needed for people experiencing homelessness. The study helps cities ensure they have sufficient resources to protect populations in future disease outbreaks.
Researchers found that a significant gap between numerical age and biological age, as predicted by AI-enabled EKGs, is associated with increased risk of death from heart disease. The study validated the use of AI-aged EKGs in predicting mortality rates.