Researchers are developing innovative computational tools to illuminate how genetic factors impact brain structure and function, particularly in Alzheimer's disease. The goal is to accelerate the discovery of robust imaging biomarkers of neurological disorders.
A new study suggests that not having any math education after age 16 can disadvantage adolescents. Adolescents who stopped studying math showed reduced critical brain chemical, which predicted lower cognitive performance 19 months later.
The study found that cell-lineage maps are unlikely to be tree-like, with cross-links between different branches. The model also predicted the emergence of pluripotency, allowing for whole-body regeneration in many animals.
New research highlights the importance of coastal seaweed for migratory shorebirds, providing shelter and microclimates that regulate their body temperatures. Removing beach-cast sea wrack can have devastating impacts on bird populations.
Margaret Martonosi's work on power-aware microarchitectures and narrow bit-widths has led to new fields of research. She has authored over 175 publications, including papers on dynamic thermal management and formal control-theoretic approaches for balancing power and performance.
A study found that social behavior in snapping shrimps influences genome size, with eusocial species having larger genomes and more transposable elements. Genome size varies widely between species and is generally unrelated to complexity.
A team led by Prof. Peng Wu designed a structured, binder-free MWW-type titanosilicate catalyst that achieves high PO selectivity under mild reaction conditions, with a lifetime of 2400 hours and low solvent consumption.
A preclinical study supports AAV8-TNAP-D10 as a single-dose treatment for hypophosphatasia, extending the life span of mice with minimal side effects. The therapy may provide an alternative to current medication injections, benefiting patients with severe skeletal and dental abnormalities.
A modeling study found that schools can reopen safely with controlled community transmission and moderate mitigation strategies in place. Asymptomatic screening is one identified strategy to facilitate reopening while minimizing transmission risk.
A study by Martin-Luther-Universität Halle-Wittenberg found that cows can ingest hypoglycin A toxin from sycamore maple trees through their pasture, which is then transferred to their milk. Low concentrations of the toxin were detected in raw milk samples from northern Germany.
A study on Saudi Arabian breast cancer patients identified somatic mutations in tumor suppressor genes, including BRCA1, BRCA2, and PIK3CA. The findings highlight the importance of routine genetic sequencing for precision therapies in the region. Novel mutations were also discovered, with potential implications for targeted treatments.
A six-country study found that plant-based and/or fish diets were associated with lower odds of moderate to severe COVID-19 infection, with 73% and 59% reductions, respectively. These findings suggest a potential protective effect of nutrient-dense foods on immune system function.
A new study suggests that mandating COVID-19 vaccination could decrease voluntary compliance by reducing people's desire to be vaccinated, particularly among those with low trust in public institutions. The research found increased opposition when participants were asked about legally required vaccinations, despite higher support for v...
Researchers developed a near-infrared camera system that can detect Burmese pythons up to 1.3 times farther away than traditional visible-wavelength cameras, providing a new tool for removal efforts and expanding detection capabilities day and night.
Researchers at RUDN University have synthesized a new class of compounds that inhibit the replication of the deadly Hantaan virus, which causes acute haemorrhagic fever with renal syndrome. The resulting substances are 5 times more effective than existing antiviral drugs and show promise for treatment development.
Researchers have developed an imaging technique that visualizes cement hydration on a molecular level, offering insights into the complex chemical reactions that shape concrete. This advancement may lead to more sustainable concrete production and improved 3D printing capabilities.
Scientists used CO2 sensors to track changes in urban emissions, detecting a 33% reduction in Los Angeles and 34% in the Washington, D.C./Baltimore region. The study shows top-down methods can produce reliable emissions estimates, giving cities an important new tool to reduce emissions.
A new study found that COVID-19 in children and adolescents produces more symptoms and complications than seasonal influenza, including asthma, obesity, and rare conditions. Fatality rates were rare, with most 30-day complications being hypoxemia and pneumonia.
Researchers found that children with underlying medical conditions, such as heart disease, diabetes, and obesity, are at a higher risk of developing severe COVID-19 illness. The study highlights the importance of identifying and managing these conditions to reduce the severity of COVID-19 in children.
The Acoustical Society of America will host virtual press conferences during the 180th Meeting, focusing on research in acoustics. Topics include teaching methods during the pandemic, the acoustic properties of moth wings, and the impact of headphones on younger generations' audio health.
The study provides clues to how early agricultural practices shaped the evolution of these animals. Genetic analyses show that the ancient goats fell at the base of the domestic goat lineage, suggesting they were closely related to the animals first recruited during domestication.
A new study by the American Society for Nutrition found that people who eat faster or take larger bites tend to consume more food. The researchers suggest that being aware of portion sizes, slowing down while eating, and taking smaller bites can help avoid overconsumption.
A new disease called halo blight is threatening Michigan's hop production, causing yield losses and altering hop quality. Genetic testing revealed a novel fungal pathogen, Diaporthe sp. 1-MI, which can infect healthy hop plants and cause yellow margins on leaf lesions and browning of cones.
A large-scale study analyzing dietary patterns in over 350,000 women found that consuming pro-inflammatory foods increases breast cancer risk, with the strongest associations seen among premenopausal women. The study suggests that adopting an anti-inflammatory diet may help lower this risk.
Researchers have identified the alternative complement pathway as a key driver of IgA nephropathy, a chronic kidney disease. Iptacopan, an oral inhibitor of Factor B, has been shown to significantly reduce proteinuria and stabilize renal function in patients with IgAN, offering a new therapeutic approach.
Researchers at Penn State have designed and tested prototype batteries for electric vertical takeoff and landing (eVTOL) vehicles, which require high energy density and rapid charging. The batteries can sustain over 2,000 fast-charges and retain some charge to ensure safety in the air.
Researchers propose searching for an axion analogue of the Cosmic Microwave Background (CMB) to learn about the early Universe. If successful, this could reveal new insights into dark matter, phase transitions, and inflation.
Researchers in the Zagros Mountains have discovered ancient DNA evidence suggesting goats were domesticated around 8200-7600 BCE, with genetic analysis revealing distinct herds from hunted wild goats. The domestication of goats in this region may represent the earliest known examples of goat herding.
The Humboldt Research Fellowship supports outstanding international researchers in climate-protecting projects. Five new fellows, including Pablo Urbina and Dr. Nusrat Sultana, will conduct research on Participatory Guarantee Systems and mango genome research in Germany.
A team of researchers identifies how the cowpea mosaic plant virus is recognized by the immune system and strongly stimulates it to attack and eliminate cancerous tumors. The discovery opens the door for CPMV to be pursued as a new biological drug for treatment of cancer.
Researchers at Osaka University identified a molecular mechanism governing immune cell motility, involving the lysosomal Ragulator complex. This process enables immune cells to migrate and elicit an immune response, with implications for treating autoimmune disorders and cancer.
Researchers at Salk Institute develop efficient method to produce insulin-producing cells from stem cells, bringing hope for type 1 diabetes treatment. The new approach resulted in beta cell yields of up to 80 percent and biologically functional transplanted cells in mouse model.
Researchers at George Mason University are investigating health impacts of perfluoroalkyl substances (PFAS) in New York state communities exposed to contaminated drinking water. The study aims to understand the threat of PFAS to human populations and design efficient interventions to mitigate exposure.
A new study published in Molecular Psychiatry found that people whose sleep pattern goes against their natural body clock are more likely to have depression and lower levels of wellbeing. Being genetically programmed to be an early riser is protective against major depression, and improves wellbeing.
A recent study published by the American Society for Nutrition compared the effects of low-fat and plant-centered diets on cardiovascular health. The research found that a plant-centered diet was associated with a lower long-term risk for cardiovascular disease, although both diets were linked with lower LDL levels.
Researchers develop new methodology to study lead halide perovskites' photophysics, revealing the limitations of existing theories. The method provides a complete representation of the material's photophysical processes, allowing for the examination of theory validity and exploration of new explanations.
A new study identifies ten-eleven-translocation 1 (TET1) as a necessary component of myelin repair in adult brains. Higher TET1 levels are needed to form functional myelin in response to injury, which declines with age.
Artificial intelligence natural language computer applications hold promise for health care, but their potential and pitfalls need thoughtful exploration. The authors identify realistic applications such as relieving routine tasks and improving customer service, but also emphasize the need for 'serious guardrails' to prevent harm.
African MERS-CoV strains show lower replication rates and virulence compared to Saudi Arabian strains. Spike protein differences contribute to the disparity, raising concerns about increased transmission and global outbreak risk.
A study found that travellers who returned from abroad acquired and spread destination-specific antimicrobial resistance genes in their gut microbiome. The diversity of these genes increased significantly after travel, with high-risk genes resistant to common antibiotics identified.
A study analyzing 7,263 English Premier League goals found that random influence is present in almost every second goal (46%). Weaker teams and draw situations see a higher proportion of chance goals, with the occurrence dependent on match situation.
A new study predicts massive range declines of African great apes (85-94%) due to climate change, land-use changes, and human population growth. The authors warn that effective conservation strategies require careful planning for protected areas and connectivity between habitats.
The Journal of the Bulgarian Geographical Society has moved to the ARPHA Platform, offering fast-track publishing, machine-readable XML format, automated data export, and web-service integrations. The journal now covers all fields of geography and interrelated sciences with a focus on Southeastern Europe and the Balkans.
A study found low GABA levels in adolescents associated with lack of math education, leading to poorer performance on math tests. Math education was linked to increased brain plasticity, suggesting implications for educational policies and access to opportunities.
A study of US adults found that those who received more social support than they gave had a higher mortality risk. Individuals who gave excessive social support also exhibited a higher risk of death.
Researchers discovered a link between chronic high blood pressure and elevated intracranial pressure, validating a non-invasive monitoring method. The study proposes treating high blood pressure with losartan to prevent intracranial hypertension and its complications like stroke.
A recent study found that dragonflies from the Yaeyama and Taiwan islands, despite being geographically close, have higher genetic diversity than expected due to island fragmentation. This discovery suggests that historical dispersal events may have influenced genetic exchange between islands.
A Danish-Swedish study found that football and team handball training have a positive effect on telomere length and mitochondrial function in women, potentially increasing their health span and lifespan. The research involved 129 healthy women and showed that elite football players had longer telomeres compared to untrained controls.
Researchers at ETH Zurich developed a molecular switch that can be activated by green light from a smartwatch, producing insulin or other substances. The system uses HEK 293 cells and is linked to a gene network, which can be configured to produce specific substances.
New study finds no evidence of widespread forest clearing by Indigenous populations in western Amazonia before European arrival. Instead, researchers suggest a history of sustainable use and minimal impact on ecosystem biodiversity.
Researchers analyzed 36 patients with skin squamous-cell carcinoma, finding that CD8+ T cells infiltrated tumors with lymphatic endothelial cells. Perineural infiltrated sSCC without metastasis showed low lymphatic endothelial cell density, suggesting a link to tumor microenvironment biology.
A new study provides valuable information on the cognitive processes and brain systems underlying adolescent development. The data from the largest longitudinal neuroimaging study to date reveals which brain regions are involved in key psychological processes, including cognitive control, reward processing, and social/emotional function.
Research suggests climate change will have a larger and more widespread impact on landscapes than the emerald ash borer. The model showed that climatic changes, such as warmer temperatures and droughts, would lead to a shift in tree composition from northern to southern hardwoods.
A lab-made monoclonal antibody, leronlimab, has been shown to completely prevent nonhuman primates from being infected with the monkey form of HIV. The results inform a future human clinical trial evaluating leronlimab as a potential pre-exposure prophylaxis therapy.
A new study from the University of Pennsylvania found that Americans dramatically overestimate the number of migrants affiliated with gangs and children being trafficked. Researchers developed interventions to address this misinformation and increase empathy, resulting in improved attitudes toward immigrants.
New research reveals that stressed male mice can pass on their stress behaviors to their offspring through changes in the sperm's genetic code. This finding indicates that sperm transmits short-term environmental information to offspring, influencing their stress responses.
A global multicentre clinical trial found that a one-hour ultrasound-based procedure called 'renal denervation' significantly reduced blood pressure in resistant hypertension patients. The study, published in The Lancet, suggests this procedure could offer hope to patients who do not respond to recommended treatments.
The device was used to culture two maternal endometrial cell types, revealing the effects of glucose and insulin level alterations on uterine environment. High levels of glucose altered protein expression and secretion, while insulin changes triggered quantitative changes in protein secretion without significant gene transcription.
Researchers link sleep problems in autism to glial cells, blood-brain barrier, and serotonin, finding that high levels of serotonin cause sleep fragmentation. The study suggests a potential treatment for adults with autism-related sleep disorders.
The project aims to investigate the factors that explain links between technological progress, technology diffusion, and market results. It will also analyze the impact of government policies on private investment and long-term growth.