A national survey of 4,000 adults found that fewer than 10% have ever discussed firearm safety with a clinician, highlighting the need for improvement in clinical settings. The study also found that when conversations occurred, the most common advice given was to lock all household firearms.
A post-mortem analysis of brain tissue from people with PTSD reveals distinct differences in gene expression patterns between those with and without the disorder. These changes affect two cell types - interneurons and microglia - which may contribute to impaired stress response, particularly in women.
Researchers found that bumble bees collect a wide range of pollen from different plant species to satisfy their protein needs, whereas honey bees focus on a limited number of target plants. This study highlights the importance of considering diverse foraging behavior in nature conservation efforts.
A study by York University researchers found that masks impair our ability to recognize faces and alter the way we process them. This decrease in performance can impact daily activities and personal interactions.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have successfully created a multilayer system where two different types of skyrmions coexist at room temperature. This breakthrough enables the potential use of skyrmions in ultrafast data processing, promising an extremely compact form of data storage.
Scientists have uncovered the mechanism of glutamate transport using X-ray crystallography and molecular simulations. The study revealed that sodium ions bind to glutamate, driving its uptake into cells via specialized transport proteins called EAATs.
A team of researchers has found evidence that people in the Levant were eating turmeric, bananas, and soy in the Bronze and Early Iron Ages, tracing back to South and East Asia. Long-distance trade in culinary goods connected distant societies since at least the Bronze Age.
A study by Ben-Gurion University of the Negev researchers found that wearing masks reduces facial recognition accuracy by 15%, making it harder to identify people we know. The altered processing style, focusing on individual facial features instead of the entire face, can cause significant errors.
Researchers at Oregon State University have identified a new genus and species of flower from the mid-Cretaceous period, found in 100 million-year-old Burmese amber. The tiny male flower has unique details, including spiral-shaped stamens and an egg-shaped floral cup.
Researchers at NUST MISIS create affordable heat sinks by mixing rubbers with silicon carbide, significantly reducing production costs. The new material can withstand temperatures up to 300°C and has potential applications in industry and electronics.
A Phase II clinical trial is being conducted to evaluate the safety and efficacy of MultiStem cellular therapy for treating injured patients with severe hemorrhage. The study aims to mitigate complications resulting from traumatic injuries, including secondary infections and organ failure conditions.
The CovidSurg Collaborative, led by TTUHSC surgeon Brittany Bankhead-Kendall, has published a report addressing the COVID-19 pandemic's impact on surgery worldwide. The report highlights a significant backlog of surgeries and calls for the establishment of segregated surgical units to minimize patient risk.
A large study challenges the conventional practice of administering antibiotics before C-section incisions, finding them equally effective when given after clamping. This discovery may benefit newborns' developing microbiomes, potentially affecting immune system development and future health.
Researchers from IRB Barcelona and CNIO successfully reconstituted the human -tubulin ring complex (γTuRC) in vitro, a crucial component of microtubule formation. The 3D structure of γTuRC was revealed using cryo-electron microscopy.
Smallpox epidemics showed significant changes in frequency and seasonality over three centuries, with the introduction of vaccination and control measures leading to eradication. The analysis provides new insights into infectious disease ecology.
Researchers analyzed weekly smallpox mortality records from 1664 to 1930 to identify historical events influencing disease dynamics. They found that introduction of better control measures, especially vaccination, led to decreased mortality and eventual eradication.
The discovery of 66 new Roman Army sites has provided more insights into the Roman Empire's military presence in the Iberian Peninsula. The analysis of these camps reveals a larger Roman army presence than previously thought during the 200-year battle to conquer the region.
Researchers investigate the body's own pain control system using Conditioned Pain Modulation (CPM) and find that two different stimuli can reduce pain to a similar degree. The study used electrical stimulation of the skin as a new test stimulus, allowing for objective measurement of brain activity.
Researchers at Nanjing University designed a topological-insulator waveguide-resonator system that solves the critical coupling problem in electronics and photonics. The system supports spin-locked modes, eliminating backscattering and induced noise, while retaining transmission spectral characteristics.
Researchers at KAUST developed a high-frequency rainfall model using new rain gauges that measure rainfall drop by drop, providing unprecedented insight into minute-to-minute rainfall dynamics. The model captures the 'skewness' of high-frequency precipitation data and generates synthetic precipitation data for water management.
Scientists in Australia develop a process to calculate perfect quantum dot size and density for peak solar performance, enabling photochemical upconversion. The research uses lead sulfide quantum dots and shows promise for improving solar panel efficiency without compatibility issues with silicon technology.
The 1st International BioDesign Research Conference was a groundbreaking event that brought together 64 world-renowned experts to present on biosystem design and synthetic biology. The conference featured 126 abstracts and 35 satellite video presentations, showcasing the latest research in this field.
Hospital patients from lower socioeconomic backgrounds are less likely to receive prompt CPR and survive than those from higher backgrounds. Socioeconomic status is the key factor, rather than other factors, in this study of over 24,000 Swedish patients.
A community-level alcohol intervention in California resulted in a significant reduction of alcohol-involved crashes among drivers aged 15-30. The study found that the intervention, which included sobriety checkpoints and saturation patrols, translated into approximately 310 fewer crashes across the intervention cities.
Researchers from Chinese Academy of Sciences and University of Bristol solve the 'flea mystery' by classifying fleas as a group of highly modified scorpionflies. The study suggests that fleas evolved from small, nectar-feeding scorpionflies that later developed specialized blood-sucking mouthparts.
Researchers at Hiroshima University have identified two novel genetic mutations in an infant with anti-N-methyl-d-aspartate receptor encephalitis, a condition that affects the brain's immune response. The new method uses a NF-κB reporter assay to precisely evaluate the harm caused by IRAK4 gene mutations.
Researchers discovered that melanoma cells employ 'frameshifting' to starve themselves of tryptophan, a key amino acid needed for protein production. This process allows cancer cells to survive and evade T cell attacks.
Researchers found that acetylcholine, a neuromodulator, enhances neural discrimination of tones from noise stimuli, potentially contributing to processing important acoustic signals like speech. The study also identified novel connections between the modulatory centers and the auditory system.
CREB3L3 protects against atherosclerosis by inhibiting SREBP's expression. Absence or overexpression of CREB3L3 exacerbates high blood lipid levels and atherosclerosis. The study provides insight into the molecular basis of atherosclerosis and its potential therapeutic targets.
A study of over 1,400 protein-coding genes resolved the mystery of fleas' placement in the insect tree of life. Fleas are classified as scorpionflies, evolving to feed on vertebrates between 290 and 165 million years ago.
In ecological networks, synchronization and transients are unified through symmetry and stochasticity. Cluster synchronization emerges due to intrinsic symmetries of the network, exhibiting transient behavior with intermittent switching among distinct patterns.
A new study from North Carolina State University has established a baseline for understanding sleep patterns in healthy adult dogs, shedding light on the effects of age, sex, and weight on their activity cycles. The research aims to improve detection and treatment of chronic pain and cognitive dysfunction in dogs.
A study using satellite data linked companies to fishing activity in high seas waters, shedding light on commercial fishing practices. Researchers found approximately two-thirds of detected fishing effort was attributed to 1,120 corporations owning nearly 2,500 vessels.
A group of over 300 global scientists is urging European governments to adopt a coordinated approach to managing the pandemic by setting clear COVID-19 case number targets. The proposed strategy aims to achieve low case numbers, enhance mitigation measures, and develop long-term common vision to protect people's health, societies, and ...
Researchers at the University of Exeter have identified a new treatment approach for mitochondrial diseases, such as Leigh Syndrome, by using novel drugs that metabolically reprogram mitochondria to generate energy. The study successfully normalized or improved energy production in genetically mutated microscopic worms.
Researchers found that a protein called Cx43 allows stress signals from one liver cell to spread to neighboring cells, causing dysfunction. Mice with deleted Cx43 were protected from insulin resistance, glucose intolerance, and non-alcoholic fatty liver disease.
Researchers have developed reconstituted in-vitro human organs called assembloids, which precisely mimic the structure and function of human tissues. The new technology surpasses current organoid technology by modeling complex diseases like cancer and neurological disorders.
The study reveals that metavinculin modulates mechanical force transduction on the molecular level, potentially resisting high peak forces observed in muscle tissues. Mice lacking metavinculin did not exhibit cardiomyopathy, suggesting a more complex pathophysiological role for the protein.
A study found that a single DNA base-pair change in a specific gene can influence whether a plant is a lark or night owl, affecting its flowering time and ability to withstand climate change. The research could help farmers select plants with clocks best suited to their location.
Researchers demonstrated the world's first transmission exceeding 1 petabit per second in a single-core multi-mode optical fiber, increasing the current record data rate by more than 2.5 times. This achievement showcases the potential of single-core multimode fibers for high-capacity transmission using standard manufacturing processes.
The German Research Foundation is extending the SFB 1288, 'Practices of comparing', with €11.9 million in funding for an additional four years. The interdisciplinary research network will continue to study the historically variable practices of comparing and their ordering and changing power.
Researchers developed an AI-based technology to predict phenomena by preserving physical laws, including energy conservation. This approach uses digital calculus and geometric approaches to accurately estimate energy reduction in various phenomena.
A retrospective study of patients with ovarian torsion found that older age, larger ovarian size, and gynecologic oncologist performance were linked to increased oophorectomy rates. The study suggests that surgeon ability to diagnose necrosis is poor, and patient race does not impact the likelihood of oophorectomy.
Scientists have identified a novel skin disease in dolphins caused by climate change, with patchy and raised lesions covering up to 70% of their bodies. The study provides the first-ever case definition for freshwater skin disease in bottlenose dolphins.
Local Authorities and the Voluntary and Community Sector are best placed to support the response to the Covid-19 crisis locally. Thousands of volunteers have helped their neighbours stay fed, safe, and connected, and will continue to play a central role during the festive period and into next year.
A new study by Dr Andrea Baronchelli and colleagues reveals a connection between cryptocurrency coding and market behavior. The researchers found that 4% of developers contribute to the code of two or more cryptocurrencies, questioning the transparency surrounding the coding process.
Researchers analyzed acoustic data from humpback whale songs to track population changes in the North Pacific. The study found a significant decrease in acoustic energy levels between 2014-15 and 2018-19, mirroring the declining number of whales during this period.
A new study found that Hudson River tidal marshes are growing at a rate two to three times faster than sea level rise, suggesting they should be resilient to accelerated sea level rise. The research discovered that more than half of the marshes were created accidentally by humans between 1850 and now.
Researchers developed a method to predict therapeutic efficacy of stem cell treatment for vascular diseases based on initial distribution and migration of transplanted cells. The method enabled predicting superior therapeutic efficacy when treatment cells form into condensed 'round shape' during initial treatment.
Researchers have discovered a new way to deliver DNA-based therapies for diseases using polymers, which could lead to more affordable gene therapies or vaccines. The polymer technology works by packaging the nucleic acids in a carrier that protects them from degradation, allowing them to reach their target cells.
Researchers found prebiotic organic molecule hexamethylenetetramine (HMT) in three carbon-rich meteorites, validating theories of its role in forming organic compounds. HMT is thought to be a stable source for ammonia and formaldehyde, which can form other important biological molecules.
A global team of researchers has proposed a four-part approach to detect and contain zoonotic diseases in Africa. The strategy involves gathering information on diseases that can jump from animals to humans, testing hospital patients with fevers, analyzing blood serum in high-risk groups, and utilizing archived samples.
Researchers found that adolescents raised in nurturing environments had significantly higher IQ scores compared to those without such care. This was particularly true for children who experienced early adversities, such as poverty and pre-term birth.
Researchers have discovered a new class of fluorescent dyes that can convert visible light into ultraviolet light, overcoming one of the biggest challenges to harnessing sunlight for energy. This breakthrough could enable more efficient solar-powered water splitting and other high-energy reactions.
Scientists at Tokyo Institute of Technology synthesized a novel material with negative thermal expansion properties, which may help avoid damage to composite materials. The material exhibits both phase transition and framework-type mechanisms, providing a potential solution for the overheating problem in composite materials.
A new study published in Clinical Infectious Diseases found that hospitalized COVID-19 patients who are men, obese, or have complications from diabetes or hypertension have a higher risk of dying. The analysis also showed that age remains the strongest predictor of mortality from COVID-19.
Furloughs for people with disabilities increased to 23% in November, while continuing to decline for those without disabilities. The recent surge in COVID-19 cases is taking a toll on workers with disabilities, and the unemployment rate rose for both groups.
New research reveals that Arctic greening is offset by declining tropical productivity due to water limitations. Global carbon absorption has been canceled out as warming temperatures and droughts reduce plant growth near the equator.
Researchers at Duke University have created a new method to concentrate and separate nanoparticles using sound waves, working in under a minute instead of traditional centrifugation methods which take hours or days. The technique can be used for precision bioassays, cancer diagnosis, and more.
Scientists found that 86% of land ecosystems globally are becoming progressively less efficient at absorbing CO2 as atmospheric levels increase. This decline, known as the CO2 fertilization effect, is caused by limitations in water and nutrient availability, potentially weakening plants' ability to mitigate climate change.