The Louisiana State University campus mounds are the oldest known man-made structures in North America, with construction beginning at approximately 11,000 years ago. The mounds were built by ancient indigenous people and feature a coordinated alignment with the brightest star in the night sky.
A recent study found that COVID-19 infection significantly increases the risk of myocarditis compared to vaccination, with a 11-fold higher risk in unvaccinated individuals. The study analyzed nearly 43 million people in England and found that COVID-19 vaccine-associated myocarditis is rare.
Researchers from Osaka Metropolitan University have successfully created fumarate using artificial photosynthesis, a process that mimics natural photosynthesis. This fumarate can be used to produce biodegradable plastic, storing carbon in a compact and durable form.
Researchers discovered an evolutionarily-conserved genomic region that regulates Wingless protein expression during wing formation and regeneration. This region also ensures proper wing development, but chronic activation leads to tumour growth.
Scientists have analyzed the interaction between highly charged ions and graphene at a femtosecond scale, revealing complex processes involved in material response. The study provides fundamental new insights into how matter reacts to short and intense radiation exposure.
Researchers explored the global spread of misinformation on spiders, finding that sensationalism and misinformation decrease when experts are consulted. Local events can quickly become international news, emphasizing the need for improved information quality at local nodes to reverberate globally.
Researchers developed a new method for converting light frequencies using atomically thin layers of molybdenum disulfide, enabling smaller lasers and potential applications in optical communications. The breakthrough could lead to compact phase-matched nonlinear optics and waveguide devices.
Researchers found no excess mortality in Massachusetts from February to June 2022, despite rising COVID-19 cases and hospitalizations. This suggests high levels of immunity benefiting those at highest risk from SARS-CoV-2 infection.
A new study from the University of Florida finds that smartphones encourage consumers to prefer customized options, leading to increased self-expression and altered behaviors. The researchers suggest that companies should adapt their offerings based on device usage to tap into this trend.
Researchers at Penn State have identified a crucial step in the formation of glycerol dibiphytanyl glycerol tetraether (GDGT), a lipid molecule found in extreme environments. The discovery could improve the use of GDGT as an indicator of past climates.
Researchers at CUNY Graduate Center explore how particles and cells give rise to large-scale dynamics that we experience as the passage of time. They found that the arrow of time emerges from simple interactions between pairs of neurons, not large groups. This discovery has implications for physics, neuroscience, and biology.
Research reveals that heat-escape behaviors vary among frog species due to functional changes in thermal sensors. The study suggests that perception of noxious heat plays a crucial role in the evolutionary adaptation, while heat tolerance is relatively less important.
Researchers in Japan have demonstrated that incorporating radar data from the Antarctic Syowa Station enhances atmospheric parameter reproducibility, improving mid-latitude cyclone forecasts. This sustainable approach reduces environmental waste and error uncertainty.
Rice University researchers have developed a treatment combining drug factory implants producing interleukin-2 with checkpoint inhibitors to eradicate advanced-stage mesothelioma tumors in mice. The treatment resulted in complete tumor destruction in all seven treated mice, offering a promising approach to this aggressive lung cancer.
Researchers have designed superfast charging methods tailored to power different types of electric vehicle batteries in 10 minutes or less without harm. By incorporating charging data into machine learning analysis, the team identified and optimized new protocols that significantly increase energy storage while minimizing battery damage.
A study published in JAMA Health Forum found that COVID vaccine mandates for nursing home staff led to increased vaccination rates, with larger effects in Republican-leaning counties. The mandates did not significantly contribute to reported staffing shortages.
Researchers from the University of Birmingham propose new techniques to test for rhythmic oscillations in visual attention, suggesting that attention may not switch between threats and opportunities in a predictable rhythm. These new statistical tools aim to shed light on brain conditions like attention deficit disorder.
A new University of Illinois study shows that fathead minnows can handle simulated heatwaves with few nasty side effects. Most minnows rapidly returned to normal physiological functioning after cooling down, but some became more susceptible to oxidative stress.
A large study of over 660,000 children found that SARS-CoV-2 infection is associated with a range of symptoms and health conditions. The research suggests that some children may experience persistent health issues after infection, highlighting the need for continued monitoring.
A unique performance project aims to tackle modern slavery in Ghana by empowering survivors to share their experiences. The project has uncovered detailed information about the supply chains and recruitment methods used in modern slavery, highlighting the need for support systems for survivors.
Researchers introduce intrinsic strains into thermoelectric devices through mechanical deformation, enhancing stability and efficiency. The power generation efficiency reaches up to 12% in mixed halide perovskites under these conditions.
Research suggests that regular physical activity is linked to a lower risk of COVID-19 infection and severity, including hospital admission and death. Adults who engaged in at least 500 MET minutes per week had a significant reduction in risk, with the highest protective effect observed at this threshold.
A new study published in the Proceedings of the National Academy of Sciences found that long periods of sitting for sedentary behaviors like watching TV are associated with an increased risk of developing dementia. In contrast, leisure-time activities such as reading or using computers were linked to a reduced risk of dementia.
A study published in PNAS confirms the single-origin hypothesis for Australia's invasive rabbits, tracing their ancestry back to Thomas Austin's family in England. Genetic diversity declined as the population spread across the continent, revealing a possible genetic advantage that enabled the rabbits to adapt to Australia's climate.
Researchers have created a sorbent that maximizes the absorption of precious metal from solutions, selectively extracting silver even in low concentrations. The new sorbent's properties make it useful for purifying drinking water and processing production waste.
A paleoclimatologist discovered an ancient climate feedback loop that accelerated the effects of Earth's last warming episode. The Eemian warm episode, which occurred 128,000 to 125,000 years ago, saw oceans up to 1-1.5°C warmer than today, leading to a significant increase in methane hydrates and their release into the atmosphere.
A new study from the University of Georgia found that four out of five counties with the highest opioid overdose death rates do not have a methadone clinic accessible within a 15-minute drive. Federally qualified health centers (FQHCs) may offer a possible solution to improving access to opioid treatment programs in rural communities.
A new study found no difference in sexual enjoyment between women who gave birth via caesarean section and those who delivered vaginally. However, women who had a caesarean section were more likely to report sex-related pain at later stages postpartum.
Researchers found that specialized ETFs invest in overvalued areas with an average return about 30% lower than diversified funds. These hot-topic funds are often launched when the hype is at its peak, causing them to lose value quickly.
Bacteria in the Neisseriaceae family evolved to divide along their longitudinal axis without separating, forming caterpillar-like filaments that aid in attachment and cooperation. This unique strategy helps them survive in the oral cavity, where competition is high.
EPFL researchers have discovered a material called Vanadium Dioxide (VO2) that can remember its previous external stimuli for up to three hours. The material's structural memory is capable of anticipating future events, similar to how neurons in the brain function.
A national survey of US psychiatrists found discrepancies between their perceptions of certain psychoactive drugs' safety and therapeutic value and how they are categorized under the Controlled Substances Act. Psychiatrists rated psilocybin as having low misuse potential and high therapeutic potential, but it is a Schedule I drug with ...
Observational research suggests that 7-MX inhibits excessive eye lengthening and slows myopia progression in Danish children. The study found that higher doses of 7-MX were more effective in slowing myopia growth.
A study has revealed two key transition points in the development of pancreatic cancer, shedding light on treatment resistance and possible new therapies. The research provides insights into how normal cells become precancerous and cancerous, as well as a new strategy for checkpoint immunotherapy.
A meta-analysis of nearly 300 studies reveals a higher hypertension prevalence in urban areas but with a narrowing gap over time and socio-economic development, indicating rapid increase in rural areas. The study highlights the need for increased awareness and control measures in rural areas to address the growing burden of hypertension.
Researchers create polymeric micelles that deliver butyrate, a compound produced by healthy gut bacteria, to restore the gut's protective barrier and microbiome. The treatment prevents life-threatening anaphylactic responses in mice with peanut allergies.
Researchers have developed a new compound, afimetoran, that prevents lupus-like symptoms and reverses organ damage in mice. The compound works by blocking toll-like receptors 7 and 8, which are involved in the immune system's response to viral RNA. Phase 2 clinical trials are underway to test its effectiveness in humans.
A projected shortage of sulfuric acid could stifle green technology advancement and threaten global food security. Researchers estimate a shortfall in annual supply between 100-320 million tonnes by 2040, depending on decarbonisation pace. Developing low-cost methods to extract elemental sulfur is crucial to mitigate the crisis.
A recent HKU study found that Global South cities experience only one-third of the greenspace exposure level of Global North cities, highlighting the need for prioritizing greening policies and actions. The research reveals a severe disparity in greenspace exposure linked to differences in greenspace provision and landscape design.
A controlled trial found that non-nutritive sweeteners alter human gut microbiomes and glucose tolerance in a personalized manner. The effects of the sweeteners on the microbiome were closely correlated with alterations in glucose tolerance.
Researchers have grown synthetic mouse embryo models from stem cells without fertilized eggs, opening new avenues for studying organ development and potentially producing transplantable tissues. The method shows promise in overcoming technical and ethical issues associated with natural embryo use.
Scientists have identified specific bacterial strains contributing to inflammatory bowel disease and developed a cocktail of specialized viruses to target them. The approach harnesses the precision of phages to selectively eliminate harmful gut bacteria, showing promise for treating Crohn's and ulcerative colitis.
Researchers develop pulsed laser-assisted synthetic route to create metal nanoparticles with high purity, eliminating toxic by-products and requiring less energy and time. This technique enables the production of non-toxic, highly functional nanomaterials for various energy and environmental applications.
A tiny sensor can detect lithium levels from sweat on a fingertip in 30 seconds, providing a non-invasive alternative to blood tests. The sensor, developed by researchers, has the potential to improve medication adherence and patient care.
A novel salt-tolerant HN-AD bacterium, Halomonas venusta TJPU05, was isolated and demonstrated excellent potential in treating high-salinity nitrogenous wastewater. The study showed that 86.12% of NH4+-N, 95.68% of NO3––N, 100% of NO2––N and 84.57% of total nitrogen (TN) could be removed from simulated water within 24 hours.
Researchers have enhanced technology to lift small particles using sound waves, achieving stable lifting of particles from surfaces. By fine-tuning control using an adaptive algorithm, they have improved the stability of their 'acoustic tweezers' technology, which could be deployed in space and other environments with minimal contact.
Researchers at Texas A&M University created a device that harnesses quantum fluctuations to enhance spectroscopy results in Brillouin microscopy, increasing image clarity and accuracy. The new source significantly improves the signal-to-noise ratio, allowing for better visualization of biological structures and properties.
A new study analyzing 157 mammal species found that those living a long time and having few offspring are less vulnerable to climate-driven population fluctuations. In contrast, short-lived rodents experience more extreme population changes due to their limited fat reserves and ability to quickly adapt.
Researchers discovered that mosquitoes process odors in a bizarre way, using multiple sensory receptors housed within one neuron. This uniquely specialized system may explain why mosquitoes are so good at sniffing out humans, even when carbon dioxide cues are eliminated.
Harvard researchers found that rapid evolution of reptiles began much earlier than previously thought, connected to increasing temperatures. The study used a dataset of over 1,000 fossil specimens and analyzed their adaptation to climatic shifts.
A large-scale clinical study reveals high cumulative rebleeding rates among patients with obscure gastrointestinal bleeding. The study identified overt OGIB, anticoagulants, and liver cirrhosis as independent predictors of rebleeding, emphasizing the importance of long-term follow-ups.
Research published by the American Psychological Association found that racially resentful white Americans are less likely to support some gun rights if they believe Black people are exercising those rights more than white people. This bias led to a quicker match of photos of white people with gun rights phrases and photos of Black peo...
A new study analyzed point-of-sale data from nearly 17,000 patients in New York's medical cannabis program to understand patient preferences for products and dosing. The researchers found considerable variability in product choice and dosing levels across different conditions, highlighting the need for clear clinical guidelines.
A recent observational study found that out-of-pocket naloxone costs hindered access among the uninsured population, particularly those with opioid use disorder. The study's findings suggest that cost barriers may not significantly limit naloxone use in this vulnerable group.
A new study from Aarhus University found that lysine, an amino acid supplement, protects laboratory animals from kidney damage and prevents hypertensive kidney disease. The research suggests that a diet rich in lysine may help prevent or treat kidney diseases, but more studies are needed to confirm the results.
Researchers developed a novel biologically-inspired intraoral camera with a wide-angle insect eye structure, increasing field of view and resolving optical aberrations. The device provides multifunctional dental imaging, including high dynamic range, 3D depth, and autofluorescence, without discomfort or image blur.
A team of researchers uses mirrors to gather more light and views of an object from different angles, allowing them to reconstruct a three-dimensional model of an atom cloud. This technique enables 'light-field imaging', capturing not just intensity but also direction of light rays.
Researchers have mapped multi-gene activity hotspots in developing mouse embryos, providing a detailed resource for assessing how key genes control tissue differentiation. The study reveals 'hot spots' where many genes are turned on together, guiding development and previously invisible signalling centres.
Researchers compared HPV prevalence among women born in the 1980s, 1990s, and before/after vaccination periods. The study found significant differences in HPV prevalence between these groups.
Researchers developed a blood test that predicts poor outcomes in patients with traumatic brain injury (TBI), allowing clinicians to make decisions earlier on possible treatment. The test, which measures protein biomarkers GFAP and UCH-L1, showed high accuracy in predicting death and severe disability six months after injury.