Researchers at Kiel University have created a new simulation method that enables fast calculations of many-body quantum dynamics, saving computer time by up to 10,000 times. This breakthrough allows for simulations of complex quantum systems, such as molecules and solids, with unprecedented accuracy.
Racial and ethnic minorities with kidney failure and atrial fibrillation are less likely to fill prescriptions for blood thinners, resulting in higher stroke rates. Equalizing warfarin distribution could prevent 7-12% of the stroke disparity among minority groups.
The discovery of Vellbergia bartholomaei, a tiny Middle Triassic lizard from Germany, provides new information about the early evolution of lepidosauromorphs. The species' unique characteristics suggest it may be a common ancestor of modern lizards and tuataras, revealing key findings in reptile evolution.
A new study published in the Journal of Neuropathology & Experimental Neurology suggests that amino acid L-serine may be useful in treating ALS. The study found that L-serine successfully reduced ALS-like changes in an animal model of ALS, including motor neuron degeneration and pro-inflammatory microglia.
Researchers found that bumblebees can create mental images of objects using information from multiple senses and form sophisticated mental representations of their surrounding world. Bumblebees successfully recognized objects cross-modally in both directions, sight-to-touch and touch-to-sight.
Research at MIT found that transient invaders can lead to a rapid takeover of the ecosystem, but then disappear. This phenomenon occurs when the invader's growth produces metabolic byproducts that raise the pH, making the environment less hospitable for itself and other species.
Researchers at Cornell University have identified a new species of bacteria that can break down organic matter, including toxic chemicals released from burning coal, gas, and oil. The discovery could hold key to understanding the soil carbon cycle and predicting global climate change.
A new black phosphorus transistor has been developed that shows 10-times lower switching power consumption and 10,000-times lower standby power consumption than conventional transistors. The transistor can replace CMOS transistors with fast and low-power operations.
Researchers at the University of Miami Rosenstiel School explore the importance of learning and knowledge in environmental decision-making. They argue that educational tools can accelerate climate change adaptation and provide actionable knowledge for societies.
A recent study of indigenous people in southern Chile challenges Western assumptions about children's emotional capabilities. The research found that Mapuche parents and teachers expect their children to be able to control fear and value nature as a tool for regulating emotions.
A new AI algorithm developed by University of Illinois researchers accurately predicts corn yield using deep learning and convolutional neural networks. The approach incorporates various topographic variables, soil electroconductivity, nitrogen treatment rates, and seed application to optimize crop management decisions.
A study has created a database on endothelial cells, which may enhance our understanding of the complex network of blood vessels in the mammalian body. The research team identified 78 endothelial cell subclusters, including unexpected subtypes, that can inform the development of new treatments for diseases.
A new study at Children's Hospital Los Angeles uses advanced imaging techniques to optimize a leading-edge therapy for babies with hypoxic brain injuries. The results demonstrate effective cooling in the deep areas of the brain, which are most often damaged by lack of oxygen.
A new species of land snail has been discovered by citizen scientists working with Taxon Expeditions, a company that organizes scientific field trips. The newly described snail belongs to the caenogastropods group, which is sensitive to drought, temperature extremes, and forest degradation.
A new study suggests that ancient stores of methane in permafrost and beneath Arctic ice have a limited impact on future climate warming. Current activities are the primary source of methane emissions, with natural emissions accounting for nearly 40%.
Researchers at Columbia University have developed a new method to isolate atomic sheets from layered van der Waals crystals, producing large-area atomically thin layers with high quality. The monolayers can be stacked in any desired order and orientation to generate a whole new class of artificial materials.
Researchers at Yale Cancer Center discovered that a small amount of the PD-L1 biomarker can predict long-term survival benefits from using pembrolizumab in patients with advanced lung cancer. The study found that overall survival was about 99% one year after discontinuing treatment, and ranged from 23% to 35% three years after treatment.
African countries with strong preparedness and detection capabilities are better equipped to handle a potential outbreak, while those with lower scores face significant risks of nondetection and local spread.
A survey of 153 transgender youth found that 47% intentionally avoided disclosing their gender identity to healthcare providers outside the clinic. Participants suggested ways clinics can create spaces for comfortable disclosure, including materials, forms, and staff education. The study highlights the need for improved provider-patien...
A new study by Brigham and Women's Hospital finds that over 40% of patients refuse insulin therapy, leading to worse blood sugar control and longer time to lower blood sugar levels. Patients who decline insulin therapy had more severe diabetes complications and higher blood sugar levels.
Research confirms lower 0.25mg/kg dose of tenecteplase is appropriate for eligible stroke patients, reducing symptomatic intracranial hemorrhage and improving blood flow in rural centers. The study found no advantage to increasing the dose beyond 0.25mg/kg and provides reassurance about a window of safety.
A team of researchers used a statistical technique to identify ecological risk factors affecting coral diseases, including growth anomalies and white syndromes. They found larger corals had higher disease risk, with certain conditions such as high fertilizer and pesticide runoff associated with growth anomalies.
The MEMEX project aims to develop new technologies that encourage the visibility of vulnerable social groups, using smartphones. By telling their stories, communities can gain visibility and connect with their territory, discovering historical and artistic insights.
A Univision News poll by Cornell University finds that Bernie Sanders leads among Latino voters in Nevada with 33% support, followed by Joe Biden at 22%. The survey also shows significant concerns over health care and racism among Latinos, with four out of five disapproving of President Trump.
A team of researchers has identified new biomarkers for the diagnosis and prognosis of lung cancer by analyzing repetitive DNA regions. These markers show consistent expression in both healthy cells and cancerous tumors, with potential applications for more accurate diagnoses and treatments.
A large-scale study has found no association between varenicline and increased cardiovascular or neuropsychiatric hospitalization risk. The study also suggests bupropion may be linked to lower cardiovascular risks and higher neuropsychiatric risks compared to NRT.
Researchers at MIT's Picower Institute will employ a nematode worm model to understand how serotonin modulates brain states and behavior. They aim to map out which combinations of serotonin receptors mediate its effects on behavior and analyze how serotonin alters whole-brain activity.
A new non-invasive eye scan could identify autism in children up to 5 years earlier than current methods, using a hand-held device to detect subtle electrical signals in the retina. The scan was tested on 180 people with and without autism between 5-21 years old.
A University of Colorado Boulder study challenges the International Paralympic Committee's rule requiring double, below-the-knee amputees to race at a shorter height. The research shows that blade shape and stiffness, not height, impact speed, with elite athletes achieving speeds up to 8% faster in certain prosthetic configurations.
A study found that over 97% of authors failed to provide raw data despite requests from editors, leading to rejected manuscripts. To address this issue, experts propose that journals require the deposition of raw data in publicly available databases or on journal websites.
The Colorado River's flow is declining due to the loss of its reflective snowpack, which increases evaporation and reduces runoff. This trend is expected to outpace precipitation increases under a warmer future, highlighting the need for more accurate projections of water availability.
A new private security industry has emerged in unregulated areas of the internet, driven by growing cybercrime threats. The sector is expected to reach $231.94 billion by 2022, with a focus on voluntary policing and vigilantism, raising concerns about instant justice and harmful outcomes.
A study found that prenatal hypoxia may contribute to schizophrenia by altering the functioning of astrocytes and mitochondria. Researchers investigated the effects of hypoxia on rat astrocytes and observed changes in mitochondrial calcium balance, which can lead to cell death.
Researchers discovered diapause in African turquoise killifish protects against aging consequences without affecting lifespan or fitness. Genes involved in muscle development and chromatin remodeling factors play critical roles in regulating gene expression during diapause.
A new study shows that intensive behavioral therapy from dietitians is an effective way for older Americans to lose weight. The study found that patients who received dietitian-provided therapy lost an average of 2.66 lbs, while those in the control group gained weight.
Scientists have successfully used CRISPR/Cas9 base-editing to cure cystic fibrosis in human stem cells, providing a promising new approach for treating genetic diseases. The technique, which repairs mutations without cutting DNA, shows great promise for the future treatment of various genetic disorders.
A recent study published in Forest Ecology and Management found that forest arthropods thrive in areas closer to river courses, with social wasps being the most affected by distance. Traditional forest management practices are essential for preserving biodiversity, including the richness of understories and chestnut tree dominance.
MIT researchers used a deep-learning model to identify a new antibiotic compound that can kill many species of antibiotic-resistant bacteria, including some strains resistant to all known antibiotics. The compound, called halicin, was found using an in silico screening method and showed effectiveness against various bacterial strains.
Xiaoji Xu named a 2020 Sloan Research Fellow, recognized for his innovative nanoscale imaging methods that empower researchers to study previously inaccessible objects. He plans to investigate the formation and transformation of aerosols and chemical properties of organic/inorganic photovoltaics.
Researchers from Université de Genève have discovered an internal structure at the center of centrioles, crucial organelles that form the cell skeleton. This finding provides a better understanding of centriole functions and pathologies associated with their dysfunction, including ciliopathies and retinal disorders.
A new study by Northwestern University found that a simulation-based training program can help medical students develop the skills to break bad news to patients in a clear and compassionate way. The training, which uses a mastery learning approach, has been shown to improve patient outcomes and increase student satisfaction.
A new study found that blue tits and great tits learn to avoid toxic foods by watching others' reactions, potentially increasing their survival rate. The birds can decrease the likelihood of bad experiences by observing others' behavior.
A new study by West Virginia University found that 8.10% of newborns in the state had PETH levels consistent with late-pregnancy alcohol use, associated with developmental problems and cognitive deficits. The prevalence varied across the state, with higher rates in the Mid-Ohio Valley.
Researchers at Queen Mary University of London discovered that bumblebees can find objects in the dark based on past experiences, a phenomenon called cross-modal recognition. This ability allows bees to form mental images of shapes despite limited sensory input.
A follow-up study of the Wingspan stent suggests it is safe and effective for reducing recurrent stroke risk, with a long-term one-year rate of 8.5% compared to 20% in another trial. The study follows 152 patients treated with the stent according to FDA guidelines.
A new UV technology has been shown to effectively eliminate more than 96% of pathogens in operating rooms and medical equipment, outperforming traditional chemical-based cleaning methods which only achieve 38% effectiveness. This breakthrough could significantly improve patient care environments and reduce hospital-acquired infections.
A new method predicts how extreme climate events affect energy systems with a focus on renewable energy sources. Future climate events can have a considerable impact, leading to power supply reliability reductions of up to 16%. Collaboration between energy system experts and climate researchers is necessary for optimization.
A new study found an inverse association between socioeconomic status and certain kidney diseases. Researchers observed incremental increases in the incidence of lupus nephritis and ANCA-related glomerulonephritis with progressively lower income.
A multi-institution study finds that level of education is best predictor of life expectancy, outshining racial factors. Higher education levels resulted in 1.37 fewer years of lost life expectancy, suggesting improved access to education could reverse declining life expectancy trends.
Researchers evaluated patient characteristics after introduction of bundled payment program, finding no significant changes in access to hip and knee replacement for sicker patients or those at higher risk of complications. The study provides reassurance that the Comprehensive Care for Joint Replacement program has not led to 'cherry-p...
A new therapy called antisense oligonucleotide (ASOs) has shown dramatic effects in a mouse model of SCN8A-related encephalopathy, reducing mRNA expression by half and increasing lifespan by four-fold.
Researchers discovered a pigment called melanopsin sensitive to blue light affects circadian rhythms but cone photoreceptors respond strongly to long wavelength oranges and yellows at sunrise and sunset. The study identifies a cell in the retina regulating brain centers that impact sleep, mood and learning.
Researchers have designed a new graphene-based metasurface capable of independently controlling light's amplitude and phase. This breakthrough technology has the potential to revolutionize optical devices such as holography, high-resolution imaging, and optical communication systems.
New research from the University of British Columbia finds a strong correlation between patients' complaints and violence towards nurses. Addressing these complaints can help curb aggressive behavior and protect nurses' safety.
Researchers created 'active droplets' that release drugs at a constant rate over several days, reducing the risk of overdose. The droplets are stable for longer due to hydrolysis protection and can be loaded with varying doses.
A Purdue team has received a $3.2 million grant from the National Institutes of Health to treat antibiotic-resistant lower respiratory infections, a leading cause of death worldwide. The researchers will develop new inhalation therapies using polymyxins and liposomes to combat antimicrobial resistance.
Researchers at Sanford Burnham Prebys Medical Discovery Institute and Harvard University discovered that mitochondria trigger senescence in cells by communicating with the cell's nucleus. They identified an FDA-approved drug that helped suppress the damaging effects of senescence in cells and mice, providing a potential treatment for a...
A recent study has charted a rising trend of image-based sexual abuse in Australia, New Zealand and the UK. The survey of 2000 Australians found 1 in 3 had been victimized, with men more likely to be perpetrators than women.
Researchers from Johns Hopkins Center for Fetal Therapy report improved lung function in infants born after FETO therapy, which involves a minimally invasive procedure to block the fetal trachea. The study found that prenatal and postnatal monitoring and care were highly coordinated, allowing for favorable outcomes in the 14 infants born.
A seven-year follow-up study found no difference in patient-rated quality of life or satisfaction with treatment between those treated with antibiotics and those who underwent appendectomy. Patients taking antibiotics later had an appendectomy were less satisfied, highlighting the importance of successful treatment outcome.