A new study reveals that Bantu-speaking communities in the Congo rainforest underwent a major population collapse from 1600 to 1400 years ago, possibly due to a prolonged disease epidemic. This finding challenges the commonly held belief of continuous settlement and affects seven present-day African countries.
A Berkeley Lab team successfully simulated a complex aspect of particle collisions using a quantum algorithm, accounting for neglected quantum effects. The researchers' approach meshes quantum and classical computing, allowing for efficient resources and improved accuracy.
Funding for surgeon scientists has increased by 40% in terms of both numbers and amounts since 2010, despite overall NIH funding decreases and an increase in demand for clinical productivity. Basic science research has also remained stable, with 70% of grants focused on basic science.
A study by researchers at the University of Gothenburg has successfully mapped the mechanism behind cellular communication in metabolic processes. The findings can potentially improve understanding of type 2 diabetes and its underlying mechanisms, allowing for the development of new medicines.
Researchers have designed and synthesized short chains of amino acids that function like minimized soluble chemokine receptors, blocking atherosclerosis in animal models. These peptides selectively inhibit pathways underlying the disease while sparing beneficial physiological processes.
Space radiation poses significant risks to astronaut cardiovascular health, including myocardial remodeling, atherosclerosis, and inflammation. Research highlights the potential of antioxidant treatments, such as vitamin C and spinach, to protect astronauts from space-induced damage.
Researchers develop new strategy to stop glioblastoma cell growth by inhibiting PRMT5 enzyme, leading to cellular senescence and tumor suppression. The study provides hope for treating this deadly brain cancer with a new class of drugs.
Scientists identified how harmless E. coli gut bacteria in chickens can acquire genes to become life-threatening infections, highlighting the potential for horizontal gene transfer and increasing antibiotic resistance. The study warns of the risk of such infections crossing over to infect humans.
A study published by the European Society of Cardiology found that individuals who do not exercise have a higher risk of dying immediately from a heart attack. Regular physical activity was associated with a lower risk of instant and 28-day fatal heart attacks, with moderate to high levels of activity showing significant benefits.
Researchers found that high-dose zinc and ascorbic acid supplementation did not significantly impact symptom length or reduction among ambulatory patients with SARS-CoV-2 infection. The study suggests that treatment with these supplements may be ineffective against the virus.
Researchers discovered that immunomodulatory drugs like lenalidomide and pomalidomide starve cancer cells by destabilizing essential surface proteins, ultimately inhibiting tumor growth. This finding opens up new possibilities for targeted therapies in multiple myeloma.
A NIH study found that face masks increase humidity in inhaled air, which can benefit the immune system and combat respiratory diseases like COVID-19. The humidifying effects of masks vary depending on temperature and mask type, with thick cotton masks leading to the most increased level of humidity.
Researchers developed a bioactive coating that sequentially turns on and off inflammation on bone implants under osteoporotic conditions. The coating harnesses the power of immune responses to enhance implanting efficacy without increasing the number or stimulating function of bone cells.
The American College of Cardiology recommends prioritizing COVID-19 vaccination for patients with advanced cardiovascular disease over those with well-managed conditions. The policy statement considers exposure risks, clinical risks, and disparities among racial and ethnic groups and socioeconomic levels.
A new study found that male fruit flies with the most impressive sexual ornamentation also have super sperm that can outcompete rivals in the post-mating fertilization game. The researchers discovered a strong link between the males' competitive success at passing on their genes even after a female fly has mated with other flies.
A study published in Nature Communications found that green tea compound epigallocatechin gallate (EGCG) preserves the tumor-suppressing protein p53 from degradation. This interaction increases p53 levels, which can aid in DNA repair and destroy cancerous cells.
A researcher from Ural Federal University developed a new approach to solving optimal control problems for groups of objects. By applying the concept of dynamic stability, he created partial differential equations that predict the behavior of multiple agents in conflict situations.
Researchers at Princeton University developed a platform to visualize hydrogels' hidden workings in soils, revealing that the amount of water stored is controlled by a balance between swelling force and soil pressure. This study provides guidelines for designing hydrogels that can optimally absorb water depending on soil conditions.
The study found that LXR activation inhibits the production of chemokines Ccl17 and Ccl22, which recruit regulatory T lymphocytes to the tumor microenvironment. This leads to a decrease in Treg numbers and slower tumor growth.
A new study found that children with high behavioral inhibition in toddlerhood were more likely to experience worry dysregulation and elevated anxiety in young adulthood. This research could help predict who is at greatest risk of developing anxiety during stressful life events and inform prevention efforts.
Researchers at Bangor University discovered that birds displaced beyond their normal migratory route can still use the Earth's magnetic signature to find their way back, a feat known as true navigation. The Eurasian reed warbler was found to be able to extrapolate its position from magnetic signals even when far beyond familiar territory.
A new paper evaluates the PJM Interconnection, finding that extreme temperatures affect generator output and capacity requirements. Monthly procurement targets can reduce reserve margins and economic costs.
A new class of antibiotic-drug conjugate (ADC) drugs has been found to significantly increase the survival rate of patients with bladder cancer. The study, led by Queen Mary University of London, showed that the drug reduced the risk of death by 30% compared to chemotherapy, with a median survival time of approximately 13 months.
The study found that serological tests detecting previous SARS-CoV-2 infection varied in their ability to accurately identify infected individuals. Researchers analyzed existing clinical data and identified factors influencing test performance.
Lora Harris will research estuarine ecology in Finland, while Christina Goethel will teach and conduct research on Arctic ecosystems in Iceland. Both awardees aim to address global environmental challenges through international collaboration.
Karen DeLong, UTIA Associate Professor, received the SAEA Emerging Scholar Award for her research and publication activity. Her work focuses on livestock economics, agricultural policy, and international trade, with over $4.7 million in grant funding.
Burton C. English, a UTIA professor, received the SAEA Lifetime Achievement Award for his significant and enduring contributions to the agricultural economics profession. He is recognized internationally as an expert in bioenergy research and has made substantial impacts on sustainable aviation fuel development.
Astronomers have discovered three hot worlds larger than Earth in the Pisces-Eridanus stream, a collection of young stars. The planets, TOI 451 b, c, and d, are expected to retain much of their atmospheres despite intense heat from their nearby star.
A new AI algorithm has demonstrated the ability to accurately diagnose skin melanoma, rivaling that of experienced dermatologists. The study used machine learning to analyze 937 images and 200 cases, with results showing no significant difference between human dermatologists and the algorithm in making classifications.
A low-cost drone-based photogrammetry method has been developed to estimate plant biomass, explaining up to 47% of biomass variation in multispecies plots. The method uses aerial images and simple RGB cameras, making it a promising alternative to expensive LiDAR technology.
A landmark study reveals that airborne particulate matter is contaminated with tobacco smoke-driven particulates, with Nicotelline identified as a suitable marker. The study shows a ubiquitous presence of Nicotelline even at low concentrations, with geographical variability linked to population density and tobacco use prevalence.
A new study found that a gene-based blood test can accurately monitor treatment progress in people with late-stage melanoma, allowing for swift treatment modification and potentially saving lives. The test targets the most common mutations in melanoma cells, detecting DNA fragments released by dying tumor cells.
Research on T cells reveals that prolonged exposure to antigens can lead to exhaustion, reducing their ability to contribute to immune responses. A new model study identifies dynamic adjustments in T helper cells' states of exhaustion and suggests potential therapeutic targets.
Researchers have identified a potential revolutionary drug combination that is 'spectacularly effective' in eradicating DIPG cancer cells. The treatment, a combination of difluoromethylornithine (DFMO) and AMXT 1501, was found to be highly effective in animal studies and pre-clinical testing.
A collaboration between George Mason University and Rutgers Cancer Institute aims to validate a new test for measuring HER2 biomarkers, which can predict patient response to treatment. The test uses advanced technology to analyze tissue samples and identify specific therapies for individual patients.
To ensure an effective global immunization strategy against COVID-19, vaccines must be produced at scale, priced affordably, and allocated globally. The authors assess the potential contribution of leading vaccines using a traffic light system, highlighting production challenges and the need for equitable distribution. Governments and ...
Researchers at Uppsala University have developed a new method to produce sustainable hydrogen using composite polymer nanoparticles. The 'polymer dots' showed promising performance and stability in laboratory tests, with a 7% efficiency rate at 600 nanometres.
A recent brain-and-behavior study investigates how humans perceive and respond to faces with anomalies, finding that the 'anomalous-is-bad' stereotype manifests in brain responses and attitudes, with the amygdala playing a key role.
Researchers at Lund University discovered how E. coli bacteria target and degrade the MYC oncogene, a well-known contributor to many forms of cancer. This discovery has shown potent effects on tumor growth and increased survival in two different cancer models.
Professor Stephen M. Robertson at George Mason University is receiving $45,000 from the National Endowment for the Humanities to study the 1935 racial violence in Harlem. He will map the events and analyze how the press and legal system dealt with them.
A study published in Cell Death & Disease found that inhibiting the EZH2 protein can reduce cancer cell growth in multiple myeloma. The researchers discovered that certain metabolic pathways are altered in cells sensitive to EZH2 inhibition, providing potential markers for treatment response.
In rural Mexico, Indigenous people are coping with the pandemic by setting roadblocks to limit outsider access and promoting social distancing and mask use. They are also turning to traditional food sources like wild honey and chapulines, or grasshoppers.
Researchers have designed a new software called QuasiFlow to analyze the genetic variability of SARS-CoV-2 and identify its weak points. The goal is to develop a combination antiviral therapy that combines lethal mutagenesis with inhibitors to prevent the virus from evading the innate immune response.
New research reveals that deforestation in the U.S. does not always cause planetary warming; instead, in some places, it actually cools the planet due to the albedo effect. The study found that forest loss east of the Mississippi River and in Pacific Coast states causes planetary warming.
A UTEP professor's study discovered a specific area of the brain linked to recollection and desire for food, which could inhibit overeating. The research found that regulating this brain region reduced animal subjects' consumption of treats.
A new study comparing lemurs, distant primate cousins of humans, found few consistent differences between monogamous and promiscuous species. However, researchers discovered that the brain chemistry behind love in lemurs may involve a combination of multiple hormones and interactions rather than a single formula.
The article highlights four major challenges in the online world: manipulative choice architectures, personalized information, false and misleading information, and distracting environments. To address these challenges, researchers propose interventions such as boosting tools, self-nudging, and media literacy education.
Researchers at Monash University have discovered a biological process that prevents the human body from regenerating new cells or tissue after birth. By demethylating specific genes, they can reawaken progenitor cells to become insulin-producing beta cells, offering a potential breakthrough for treating Type 1 and Type 2 diabetes.
A new 'couple simulation' model developed by Dan Conroy-Beam simulates real-life couples to test different models of mate selection. The Resource Allocation Model proved most accurate, correctly matching 45% of the couples, and was found to have higher-quality relationships.
A UC Riverside-led study found that treatment with the medication risperidone leads to increased activity of astrocytes in persons who stutter. This increase in activity may help reduce stuttering by blocking dopamine receptors in the striatum.
Pediatric hospital admissions declined across various conditions in 2020, indicating potential gaps in pediatric care during the pandemic. The study's findings suggest a need for improved healthcare infrastructure and resource allocation.
This case series examines brain samples from COVID-19 patients with severe pulmonary pathology to understand the impact on brain capillaries. The study provides valuable information on the neurological consequences of COVID-19, shedding light on potential underlying mechanisms.
Research suggests that acne can leave lasting psychological scars, particularly for women and adolescents with darker skin, affecting self-esteem and mental health. A new study calls for a comprehensive approach to treating acne, integrating psychology and dermatology.
Researchers found that disrupting balance of gamma waves between hemispheres affects how brains integrate information from left and right ears. The study uses electric brain stimulation to manipulate interhemispheric connectivity, paving the way for new treatments for tinnitus and hearing loss.
Researchers found that non-metastatic cells can spread to distant organs through a new mechanism involving the fibrotic niche induced by malignant cells. This discovery suggests targeting the fibrotic niche as a promising strategy to control solid tumor progression.
The Mabee Foundation award will aid in the expansion of research and testing at Texas Biomedical Research Institute. The new facility will accommodate a growing need for animal models to test safety and efficacy of new treatments, including those for COVID-19.
A new study shows that liquid biopsies can detect lingering disease in patients with oligometastatic colorectal cancer, guiding treatment decisions. The biopsies identify patients who may benefit from immune therapies or targeted treatments based on mutations detected in blood samples.
The study reveals that next-generation climate models will provide valuable information on hourly precipitation, enabling better adaptation policies for infrastructure and economies. The research demonstrates the added value of high-resolution climate simulations, confirming their worth in areas with complex orography like the Alps.
Researchers at St. Jude Children's Research Hospital characterized genomic abnormalities of 84 therapy-related myeloid neoplasms in children, identifying notable mutations and increased expression of a transcription factor called MECOM. Early detection of these mutations could lead to early interventions and potentially benefit patients.
Researchers use NASA Infrared Telescope Facility's iSHELL spectrometer to confirm and measure exoplanet masses discovered by TESS mission orbiting bright K and M dwarf host stars. They aim to constrain bulk densities for a better understanding of the exoplanet mass-radius relation.
Scientists at TU Dresden have discovered that the dried flowers of St. John's Wort can catalyze photochemical reactions, showcasing a promising green and sustainable method for chemical synthesis. The discovery utilizes the plant compound hypericin as an active compound in chemical reactions without prior chemical processing.
A team of US engineers has received a $5.8 million NASA grant to create computational design tools for air taxi designs. The project aims to develop safe, quiet, and affordable eVTOL aircraft using advanced design optimization algorithms.
The study analyzed tweets of 186 users taking antidepressant medication, revealing increased activity and positive emotions during treatment. Users posted longer messages with more interactions and fewer messages at night.
Scientists have discovered genes involved in autoimmune Addison's disease, a life-threatening hormonal deficiency caused by immune system destruction. The discovery could lead to personalized treatment options and may determine the molecular repercussions of predisposing genetic variations.
For the first time, scientists have shown that positively charged iodine (iodonium) can favorably interact with a silver cation, breaking the strong electrostatic repulsion. This unexpected affinity is useful for various applications, including cloud seeding and artificial rain generation.
Hurricane maximum wind speeds in the subtropical Atlantic around Bermuda have more than doubled over the last 60 years due to rising ocean temperatures. This increase in energy extraction from warm oceans leads to more intense hurricanes, posing a significant threat to Bermuda.
Researchers have developed a strategy to amplify fluorescence signals using DNA probes and nano-antennas, enabling the detection of biomarkers in low concentrations. This technology has the potential to enable medical screening on patients without laboratory analysis.
A new study by a University at Buffalo researcher challenges the cultural transmission hypothesis suggesting that whales learn their songs from others. Humpback whales' songs are changing in a precise manner, similar to beat-matching in music, contradicting existing research on cultural transmission and social learning.
Researchers found that sounds can change brain circuits in newborn mice, even before the ear canal opens, and may eventually help detect and intervene in abnormal wiring. The study's findings suggest that sensory experience can alter cortical circuits at a very young age, potentially leading to neurodevelopmental problems.
Astronomers have found a concentration of smaller black holes at the center of the globular cluster NGC 6397, contradicting the long-held assumption of an intermediate-mass black hole. The discovery was made using Hubble data and Gaia space observatory measurements.
The rise of several significant SARS-CoV-2 variants has sparked concerns about vaccine efficacy and prompted calls for a global approach to combatting the virus. Experts from the National Institute of Allergy and Infectious Diseases emphasize the need for robust surveillance, tracking, and vaccine deployment worldwide.
A multi-disciplinary team at Harvard's Wyss Institute developed an electrochemical diagnostic sensor platform for multiplexed detection of clinically relevant biomarkers in whole blood. The device accurately detects three different sepsis biomarkers simultaneously and has the potential to revolutionize point-of-care diagnostics.
Researchers have made progress in understanding how heat shock proteins interact with faulty proteins in Huntington's disease, potentially leading to new treatments. The study suggests that these proteins can be activated to prevent protein aggregates from forming.
Researchers at George Mason University will provide access to and training on the Risk-Need-Responsivity (RNR) Simulation Tool for approximately 10 users through a $9,019 grant from Wood County Mental Health Services. The funding supports the RNR project until December 2021.
Researchers successfully manipulated magnets at the atomic level using ultrashort laser pulse excitation, reducing magnetic switching time by 1000 times. This breakthrough enables novel means to control magnetism, essential for efficient data processing technologies.
A new analysis of thousands of Michigan bees reveals that the most diverse bee communities have the lowest levels of three common viral pathogens. This study suggests that promoting diverse bee communities may be a win-win strategy to reduce viral infections in managed honeybee colonies while maintaining native bee biodiversity.
A meta-analysis of 31 studies found that certain brain regions, including the insula and inferior frontal gyrus, are consistently activated during stress regardless of the test method used. This suggests a common neural basis for stress perception across different stimuli.
Researchers at George Mason University are conducting a NASA-funded project to model telluric absorption features using iSHELL stellar spectra and line-spread functions. The goal is to improve EPRV measurements with high precision, enabling the detection of exoplanet atmospheres.