The CHIME/FRB Collaboration has doubled the number of known repeating fast radio bursts to 50, shedding light on their mysterious origins. The new discoveries suggest that all fast radio bursts may eventually repeat, with different characteristics than one-off bursts.
Researchers found that long siestas (30+ minutes) increased the risk of obesity, metabolic syndrome, and high blood pressure. In contrast, short siestas were associated with improved systolic blood pressure levels.
Fungal spores found in dung indicate large animals went extinct in two waves in the Colombian Andes, with major impacts on ecosystems. The study reveals that megafauna existed for thousands of years before disappearing and reappearing again, highlighting the sensitivity of habitats to local herbivore declines.
Researchers have identified low CD4 counts, high viral loads and inconsistent antiretroviral therapy use as possible risk factors for aneurysm formation and growth in adults living with HIV. A history of more severe illness may also be associated with a higher risk of brain aneurysm growth.
Researchers at Queensland University of Technology have discovered a blueprint for adaptation-capable signalling networks across all domains of life. The study reveals that biological systems use a special type of regulation called integral control to implement complex intermolecular interactions.
A study in urban Appleton, Wisconsin, reveals that actively managed green spaces with native wildflowers support higher bee populations. By incorporating native species into urban landscaping, communities can promote biodiversity and enhance local ecosystems.
The study reveals that backwashing affects the removal of micropollutants and the dynamic changes in the microbial community in sand filters. Microbial community composition gradually recovers within 2 days after backwashing, but not at longer empty bed contact times.
Researchers at Tokyo Medical and Dental University identify a novel focal adhesion remodeling process that strengthens cell-matrix adhesion in response to genotoxic stress. This mechanism involves the replacement of FAK with FRNK, leading to increased firm cell attachment.
Researchers at Michigan State University have developed a gene therapy that successfully treats a form of progressive retinal atrophy in dogs with an inherited eye disease. The therapy is now being prepared for human clinical trials to treat retinitis pigmentosa, a rare genetic disorder causing vision loss.
Researchers found that 9-month-old babies can detect non-adjacent grammatical regularities in speech when accompanied by prosody. The study used near-infrared spectroscopy to analyze brain activity and behavior, revealing that pitch signals improve learning in this age range.
A recent study analyzing 34 Hollywood films found that stereotypical gender roles persist, with men depicted as aggressive and powerful, and women as loving and caring. However, the analysis also showed a significant increase in female representation over the past two decades.
A team of experts identified 29 sources of bias in AI/ML models for medical imaging, including data collection, preparation, and deployment. The study provides a comprehensive roadmap for mitigating these biases and ensuring fairness, equity, and trust in AI/ML models.
For the first time, astronomers have imaged a black hole's shadow along with its powerful jet. The new image reveals more details about the location and energy of highly energetic electrons and magnetic fields. Scientists also discovered that the black hole is not very hungry, consuming matter at a low rate.
A novel genetic disorder has been identified in 21 patients from around the world, characterized by neurodevelopmental and craniofacial symptoms. The disorder is caused by rare variants in the MAP4K4 gene, which is involved in multiple signaling pathways, including the RAS pathway.
Astronomers have captured new images of M87*, revealing a thicker, fluffier ring that is 50% larger than the initial image. The team detected plasma from an accretion disk and observed a relativistic jet blasting out from the black hole.
A new study found that gestational weight gain z scores, standardized by pre-pregnancy BMI, are associated with susceptibility to autism-related traits in children. Pregnant individuals and clinicians can benefit from healthy weight gain guidelines during pregnancy.
The study designs and synthesizes spherical high-nuclear lanthanide clusters with high stability, excellent solubility in organic solvents or aqueous solutions. These properties make them suitable as a new type of Gd-based MRI contrast agent, outperforming existing agents like Gd-DTPA.
Researchers from Nara Institute of Science and Technology developed a fluorescence-based monitoring system to study BAR protein assembly. The study found that WASP, Cdc42, and other proteins facilitate GAS7 assembly on lipid membranes, promoting cellular shape formation and protein signaling.
Researchers at Flinders University have discovered that chromium oxide is the most efficient material for photocatalytic water splitting, a promising technique for producing hydrogen from renewable energy sources. The study reveals new insights into the nature of the coating that could lead to improvements in future materials.
A new study by Cedars-Sinai Medical Center finds that people with long COVID-19 produce higher levels of antibodies against the virus than those without. The elevated antibody levels persist for months longer than expected after receiving a COVID-19 vaccine, sparking further research into the condition.
Researchers develop imaging-based computer algorithms to boost crop-breeding data using self-supervised contrastive learning methods, outperforming conventional supervised approaches. The study uses wheat as a model crop and finds that these new methods can improve plant phenotyping accuracy and scalability.
A new analysis suggests that US dog and cat owners experienced greater reductions in stress and loneliness during the reopening period, while cat owners showed more stress and loneliness. The study also found that pet ownership was linked to less loneliness related to romantic relationships.
A study by Duke-NUS Medical School and the Institute of Mental Health found that anxiety and depression in Singapore cost 2.9% of the GDP, or nearly S$16 billion, due to healthcare resource usage, absenteeism, and reduced productivity.
A systematic review found that physical activity interventions can reduce symptoms and improve outcomes for individuals with substance use disorders. The study examined 26 studies and concluded that physical activity may be an effective adjunct to traditional treatments, reducing or ceasing usage in approximately 75% of cases.
Developed by University of Georgia researchers, the superfoam conducts electricity, cleans polluted water, and resists blood, microbes, and proteins. Its versatility makes it a valuable resource for clinicians and environmental remediation professionals.
Researchers at Tokyo University of Science have discovered a novel gold-gallium-dysprosium quasicrystal that exhibits ferromagnetic properties, tunability and high phase purity. The discovery opens up new frontiers in magnetic materials science, with potential applications in spintronics and magnetic data storage.
Researchers have engineered yeast Ogataea polymorpha to produce fatty alcohols from sole methanol by coupling peroxisomal metabolism. This approach improves cellular fitness and enables high-level production of up to 3.6 g/L. The study provides a feasible engineering strategy for sustainable production of fatty alcohols.
A new study led by Yale University scientists found that urban humid heat increases the risk of heat stress in urban climates. In the Global South, this effect can lead to two to six extra dangerous heat-stress days per summer.
Researchers at Temple University Health System found that carbonic anhydrase inhibitors reduce inflammation, restore cell function and prevent cognitive impairment in mice with amyloid buildup. CAIs also improved cerebrovascular health and enhanced amyloid-clearing capacity.
Researchers at Colorado State University have created a new chemical strategy to deliver universal dynamic crosslinkers into mixed plastic streams, transforming them into viable new polymers that can be turned into higher-value materials. The method makes post-consumer plastics usable as a new kind of material with useful properties.
Researchers investigated the roles of STAT3α and STAT3β in aggressive breast cancer and found that differential silencing of these isoforms leads to changes in STAT3 activation. This study emphasizes the importance of distinguishing between STAT3 isoforms for accurate cancer diagnosis and therapy.
A new study reveals that diverse landscapes and microhabitats play a crucial role in helping insects cope with heat stress caused by global warming. Insects that inhabit diverse environments exhibit different strategies to conserve energy, such as reducing activity or seeking shelter in cooler areas.
Researchers discovered parallels between the brain architecture of sea slugs and more complex segmented creatures with jointed skeletons and appendages. The study suggests that simpler organisms like sea slugs adapted a network of neurons to govern locomotion and posture, which was later inherited by more complex animals.
A world-leading international trial has found that the BCG vaccine does not protect healthcare workers against COVID-19, despite boosting 'front-line' immunity in infants and protecting against respiratory infections. The research involved 3988 healthcare workers and showed a higher risk of symptomatic COVID-19 in the BCG group.
A MedUni Vienna study examining the connection between brain structure and function found that brain shape evolved parallel to its capabilities. The research analyzed 90 species of Euarchontoglires, revealing clusters of growth patterns linked to cognitive abilities.
Rheumatologists are crucial in detecting neurologic Lyme disease due to its broad spectrum of symptoms and signs. Early treatment has a favorable prognosis, but delayed diagnosis can lead to severe symptoms.
A fossil of a 'royal fish', estimated to be over 66 million years old, was discovered in Morocco, marking the first time a sturgeon has been found in Africa. This finding suggests that sturgeons may have been more widespread than previously thought, complicating models of their origin.
Research finds that using unconventional spellings can lead to decreased consumer trust and loyalty, but may have positive effects in contexts where consumers seek a memorable experience. The study suggests caution for firms launching new brands with unusual spellings.
A new study found that inhaling low concentrations of ethanol vapor can inactivate the influenza A virus in mice without harmful side effects. The researchers believe this method could also treat similar viruses like Covid-19 and potentially stop pandemics. However, further evaluation is needed to ensure its efficacy and safety on humans.
A pandemic cohort study found that nearly one-third of adults aged 45 and older with both TB and COVID-19 died between March 2020 and June 2022. The study highlights the severity of co-infection in this vulnerable population.
The NVX-CoV2373 vaccine demonstrated strong safety and immunogenicity profiles in a clinical trial of over 2,200 adolescents. The study found the vaccine to be efficacious in preventing COVID-19, including the Delta variant.
Most smallholder farmers in Uganda surveyed believe they can reduce damage caused by the fall armyworm using various management and control options. They predominantly use chemical control methods, including regular weeding and handpicking, with some farmers also employing biological extracts to combat the pest.
Researchers discovered a protein involved in membrane remodeling in cyanobacteria, structurally similar to eukaryotic membrane proteins, suggesting it may be the oldest known bacterial ancestor. The protein, SynDLP, was found to have structural properties that match those of eukaryotic dynamin.
Researchers found that checkpoint inhibitors are not effective in treating relapsed aggressive lymphomas after CAR T therapy. The study involved 96 patients from 15 centers and showed only 19% response to checkpoint inhibitor therapy.
A study published in Neurobiology of Disease suggests that targeting the sigma-1 receptor and ATAD3A protein may prevent mitochondrial dysfunction in ALS. The researchers found that this approach could lead to a novel therapeutic strategy for neurodegenerative diseases.
Computational heuristics like Grey Wolf Optimizer and Whale Optimization Algorithm offer fast solutions to complex supply chain problems, providing accurate results within a shorter time frame. The research suggests these tools can be a valuable addition to supply chain management, especially in responding to unexpected disruptions.
Scientists have discovered that quasars are ignited by galaxies crashing together, a process that drives gas towards supermassive black holes and releases extraordinary amounts of energy. This finding provides a significant step forward in understanding how these powerful objects are triggered and fuelled.
Researchers developed an AI-based early warning system that combines acoustic technology with artificial intelligence to classify earthquakes and determine potential tsunami risk. The system uses underwater microphones to measure acoustic radiation, which travels faster than tsunami waves and carries information about the tectonic event.
A new study by University of Illinois researchers found associations between dozens of features that promote brain and cognitive health in older adults. The analysis combined data on nutrient intake, brain structure, and cognitive function, revealing clusters of traits that work together to support healthy aging.
Researchers from Graz University of Technology have developed a novel method for producing central components of mRNA vaccines using biocatalytic synthesis. This approach achieves a yield of 92-95% compared to 40-50% for chemical processes, making it more efficient and cost-effective.
Researchers at National Jewish Health found that daily Colchicine treatment improved fevers and symptoms in two adolescent patients with long COVID. Genetic testing revealed a pathogenic mutation in the MEFV gene, which is associated with periodic fever syndromes.
Researchers found that people dislike fitness recommendations from apps using social media data, instead favoring personalized approaches with control options. Users prefer systems allowing them to choose between different recommendation methods, making them feel more in control.
A recent study has discovered a shared protein sequence among bacterial pathogens, recognized by human T cells in a conserved manner. This finding suggests that T cells may provide broad antibacterial immunity against a range of diseases, potentially informing the development of more effective vaccines.
Exposure to pyrethroid pesticide deltamethrin during pregnancy and lactation causes reduced cognition, increased repetitive behaviors, and altered dopamine levels in mice offspring. These findings suggest that exposure to pyrethroid pesticides may contribute to neurodevelopmental disorders in humans.
A new study finds that pet rabbits require daily freedom to exercise outside their home enclosure, even in larger hutches with access to an exercise area. The research highlights the importance of allowing pairs of rabbits to move freely throughout the day.
New research shows that rhythmic brain activity helps organize transient bursts of activity in the brain to maintain short-term connections. Brain rhythms coordinate overlapping populations of neurons to store different pieces of information at the same time.
A team of researchers identified UBA868 as a significant player in the biogeochemical cycle of the deep ocean, regulating energy balance and fixing carbon dioxide. This finding challenges previous assumptions about the role of microorganisms in the marine ecosystem.
A study by Osaka Metropolitan University found that social and educational indicators have a stronger impact on population decline rates than economic indicators. Increasing investment in education for children can help lower population decline rates, suggesting a potential solution to Japan's shrinking city problem.
Researchers used fluid dynamics to model blood drop behavior during secondary atomization, finding smaller droplets are easier to sweep up by firearm gases. This discovery could explain how short-range shooters remain clean from blood stains.
Researchers found that autistic children exhibit higher levels of verbal aggression and disruptive behavioral intensity across three critical developmental periods. Autistic children also show more physical aggression in early childhood, but this gap closes as they age.