New findings published in Science Advances show that northern Tibetan mountain growth increased rainfall, leading to a stable, wet climate conducive to vast plant and animal diversity. The region's biodiversity hotspot, home to rare species like monkeys, tigers, and seals, relies on this unique climate.
A researcher at the University of Tennessee Health Science Center is studying the impact of a poverty-focused model on health outcomes for low-income individuals. The Transition to Success model aims to address social determinants of health, reducing healthcare use and improving conditions.
Researchers developed a technique combining dPCR and HSAFM to diagnose DNA rearrangement mutations with high accuracy and low cost. The technology accurately identified FLT3 gene mutations in patients with acute myeloid leukemia, offering a potential powerful tool for cancer diagnosis.
Researchers found that counties with more legal cannabis dispensaries had lower opioid-related mortality rates, with a 17% reduction associated with one additional dispensary. This association held for both medical and recreational dispensaries, particularly for deaths linked to synthetic opioids.
The study identified 42 deleterious variants in 35 genes among patients with small cell lung cancer, including MLH1, BRCA2, and MUTYH germline mutations. These variants were associated with increased risk of first-degree relatives with cancer or lung cancer and longer recurrence-free survival following platinum-based chemotherapy.
Researchers found that most women's menstrual cycles aligned with synodic months at certain intervals, while also showing synchronization with tropical months in younger women, suggesting a stronger effect on menstrual cycles during long winter nights when exposed to moonlight.
Researchers at Vanderbilt University Medical Center have discovered the coronavirus's 'Achilles' heel', a proofreading enzyme called nsp14-ExoN. This enzyme regulates RNA recombination and can be targeted to block viral replication, potentially leading to new treatments for COVID-19.
A new study published in the American Journal of Obstetrics and Gynecology found that COVID-19 mortality rates were significantly higher among pregnant mothers than similarly aged individuals, with a 3.5 times higher hospitalization rate for pregnant women with COVID-19.
Researchers discovered that cancer cells with an abnormal number of chromosomes (aneuploidy) are more sensitive to inhibition of the mitotic checkpoint, a cellular mechanism that ensures proper chromosome separation during cell division. This finding has important implications for personalized cancer medicine and drug discovery.
Stroke survivors who completed a cardiac rehabilitation program focused on aerobic exercise improved their ability to transition from sitting to standing and walked further during a six-minute walking test. The program also showed improvements in leg strength and reduced fall risk.
Researchers found that different juicing techniques can alter the levels of health-promoting phytochemicals and antioxidants in raw vegetables. Low-speed juicing produced more diverse metabolites, while high-speed centrifugal juicers resulted in thicker juices with less pulp and fiber.
The new HPE-Cray EX supercomputer will be a 19.87-petaflops system, 3.5 times faster than the existing Cheyenne supercomputer, and will enable researchers to conduct advanced studies on climate change, severe weather, and other Earth system processes.
A new study suggests that people with enlarged fluid-filled spaces in the brain around small blood vessels are more likely to develop cognitive problems and dementia over time. Researchers found that those with severe cases were nearly three times more likely to develop dementia than those with fewer or no enlarged spaces.
Researchers studied the brain and inner ear cavity of Brindabellaspis stensioi, discovering an ancient placoderm with features resembling modern jawed vertebrates. The fossil challenges existing theories on platyoderm relationships and sheds light on the evolution of jawed vertebrates.
Researchers created perovskite solar modules with improved stability and efficiency using a new fabrication technique that reduced defects. The modules showed high efficiencies for over 1000 hours, overcoming obstacles in scalability.
A recent study published in Cell Report Medicine has provided a detailed look at the vulnerable sites on the novel coronavirus SARS-CoV-2 that T cells can attack. The research found that T cells can recognize dozens of epitopes on the virus, including several additional sites on the spike protein.
Plant cells use pioneer transcription factor LEAFY to access genes that are otherwise inaccessible due to tightly packed chromatin. This allows for changes in cell identity and fate, enabling plants to adapt to environmental conditions.
Researchers used wearable technology to track the heart rate variability of women trying to conceive, finding that overall, they were in better shape after giving birth than before. The study suggests that physiologic markers show fitness gains occur during pregnancy, and may help obstetricians encourage pregnant patients.
Researchers propose a new field of study converging AI, basic research, and medicine to extend human lifespan. The framework uses deep learning to predict age-related changes, enabling the development of a new field of medicine - longevity medicine.
The Last Journey simulation, performed on Argonne's supercomputer Mira, studied the distribution of mass across the universe over time. The team used a workflow combining HACC and CosmoTools to analyze and record relevant information during the simulation.
Researchers at Max-Planck-Gesellschaft found a neural circuit in zebrafish that enables them to focus on one stimulus over others, allowing for escape from predators. The circuit involves the tectum and nucleus isthmi brain regions.
A new international study documents the physiology of dying and confirms that death is an irreversible process. The DePPaRT study found that cardiac activity often stops and restarts several times during the dying process, but no one regained sustained circulation or consciousness. This provides evidence to support the current standard...
The Cleveland Clinic has received two grants totaling $4.6 million to investigate the therapeutic potential of lenalidomide in early-stage Alzheimer's disease. The studies aim to determine if lenalidomide safely reduces inflammatory biomarkers and improves cognition in patients with mild cognitive impairment.
Research finds cashless payments increase spending on unhealthy food as lower arousal directs attention away from decision risks. Participants with higher education were more willing to pay for desserts under cashless payment conditions.
Oregon State University has received a nearly $700,000 grant from the National Oceanic and Atmospheric Administration to provide software tools for investors interested in starting aquaculture businesses in Oregon. The new funding will help advance the rate of aquaculture investment in the state and serve as a model for other states.
A team of scientists used virtual anatomy techniques to examine a 400-million-year-old fossil, discovering an unexpectedly modern inner ear structure that challenges previous assumptions about placoderm evolution. The findings suggest a possible link between ancient platypus fish and modern jawed vertebrates.
Researchers discovered that certain soil bacteria can break down large carbon-based molecules using enzymes, potentially leading to rapid release of CO2 from soil. This finding challenges current models of carbon storage in soil and highlights a key role for biology in climate change.
Cartilage cells engineered to respond to mechanical stress can produce an anti-inflammatory drug to reduce joint pain and limit arthritis-related damage. The technology could lead to more effective treatments for osteoarthritis by delivering drugs in response to specific movements or weight-bearing.
A mathematical model, the BathRC model, enables doctors to calculate the amount of restriction required to safely ventilate two patients using one ventilator. Accurate matching and correct resistance are key to this process.
A new method uses ruthenium-carbon catalysts to convert polyolefins into fuels and chemical feedstock, with over 90% conversion rate at lower temperatures. The process can produce natural gas and liquid alkanes, potentially reducing post-consumer waste in landfills.
Researchers have produced a high-quality reference sequence of the complex switchgrass genome using samples from 10 experimental gardens across eight states. This allows breeders to test what genes affect the plant's adaptability to various environmental conditions and associate climate adaptations with switchgrass biology.
The grant will enable UVA Health to serve more underserved groups and rural communities with acute and chronic illnesses, improving patient outcomes and reducing barriers to care.
A study by Alexa Barrett and Al Kopak found that male detainees with PTSD, PD, and AUD were more likely to commit violent offenses. The combination of these conditions significantly increased the likelihood of violence.
A UCSF clinical study found that alcohol has an immediate effect on the heart in patients with atrial fibrillation (AFib), reducing the time needed for certain heart muscle cells to recover. The study suggests that moderate drinking may help prevent AFib, a condition affecting 12 million Americans and leading to 158,000 deaths annually.
A recent study found that over half of primary care clinics in nine states refuse to accept opioid patients due to perceived stigma. Clinics gave more favorable responses when patients mentioned their last doctor had retired, suggesting systemic biases influence decision-making.
Archaeological grape seeds from excavations in Troyes and Reims provide insights into the history of Champagne wine growing. Wild vines were cultivated throughout the period studied, with domestic varieties emerging as early as the 1st century AD.
Researchers have developed a method to simultaneously measure 77 antibiotics in various foods, including meat, eggs, milk, cereals, vegetables, and fruits. The new approach allows for the detection of multiple classes of antibiotics at trace amounts, which can contribute to increased antibiotic resistance and gut microbiome imbalance.
Researchers have discovered a novel and druggable insulin inhibitory receptor named inceptor. Blocking its function leads to increased sensitisation of the insulin signalling pathway in pancreatic beta cells, allowing for potential protection and regeneration of beta cells for diabetes remission.
Global land-use greenhouse gas emissions from 1961 to 2017 have increased, jeopardizing the Paris climate agreement's goals. Poorer countries in Latin America, Southeast Asia, and sub-Saharan Africa experienced the most pronounced surge in these emissions.
A recent study published in Disability and Health Journal found that adults with cognitive disabilities were more than twice as likely to use e-cigarettes, highlighting a high-risk group for adverse health outcomes. The study also showed that men, young adults, and adults with COPD or depression were more likely to use e-cigarettes.
Researchers found that hypnotic suggestions can help people 'see' imaginary objects, improving their ability to solve visual puzzles. Participants who were highly susceptible to hypnosis showed a significant improvement in accuracy after receiving the suggestion.
Researchers at the University of Sussex calculated a tighter mass range for Dark Matter particles, showing it cannot be 'ultra-light' or 'super-heavy', unless an unknown force also acts upon it. The new range is between 10^-3 eV and 107 eV, significantly narrowing the previously theorized spectrum.
Researchers developed a microelectromechanical systems (MEMS) optical scanner that enables better road safety by adjusting the driver's visibility based on speed and traffic environment. The system provides improved visibility, especially for pedestrians, and reduces glare from oncoming vehicles.
Researchers found that younger children have limited working memory, making it harder to remember tasks after interruptions. This study suggests providing structure and helping parents support their child's online learning. The findings provide a first step toward creating educational materials tailored to individual developmental levels.
Experts argue that UK government should focus on supporting people in high-risk occupations and living conditions with free accommodation, income protection, and job security. A lack of resources and fear of financial consequences are major barriers to self-isolation, leading to low adherence rates among certain groups.
A recent observational study of 7,300 adults with COVID-19 found that individuals with a schizophrenia spectrum diagnosis had an increased risk of death, while mood and anxiety disorders were not associated with higher mortality rates. The study suggests that psychiatric disorders may be linked to poorer outcomes in patients with COVID-19
Research shows that sleep cycles in people oscillate during the 29.5-day lunar cycle, with people going to bed later and sleeping less in the days leading up to a full moon. This natural adaptation may have allowed ancestors to take advantage of available evening light.
A study of over 2,700 women found that social support does not moderate the impact of stressful events on menopause symptoms. Women who experienced stressful events had a significant increase in symptoms, regardless of their level of social support.
A new study suggests that Native American farmers in the Jemez Mountains of northern New Mexico learned to manage fire as an ally to prevent dangerous blazes, clearing flammable material and promoting forest resilience. The ancient practice of controlled burns could help mitigate modern wildfires.
Researchers have developed a new reaction, called ASHA ligation, for efficiently forming amide bonds under mild aqueous conditions. This method is fast, chemoselective, and broadly applicable, opening pathways to new approaches in medicinal chemistry and chemical biology.
Reducing short-lived climate-forcing pollutants (SLCPs) can mitigate climate change, human health issues, and food insecurity by slowing down near-term climate warming and improving crop yields.
A new study identified bird species with the potential to transmit Lyme disease bacterium to feeding ticks, flagging 21 new species for surveillance. Bird traits such as diet composition, migration distance, and life history features were used to predict competence in spreading Lyme.
Researchers developed a low-cost, portable microscopy system using transparent microspheres and affordable objective lenses to detect pathogens in water sources. The assembly can be customized for various applications, including on-site antibiotic testing.
Pregnant and breastfeeding individuals should be offered COVID-19 vaccines based on ethical principles, considering individual autonomy and risk of severe illness. Although no adverse effects have been observed in vaccinated participants, those at high risk of severe COVID-19 should prioritize vaccination to protect themselves and others.
Researchers at Boston University School of Medicine have identified genetic dependencies in tumors that have undergone whole genome doubling. The study found that WGD tumor cells possess unique vulnerabilities that can be targeted by new therapeutics.
Researchers are using plant breeding and genetic engineering to develop less allergenic varieties of wheat and peanuts. They focus on reducing gluten content in wheat and one specific protein that regulates gluten production, aiming to increase food options for people with allergies.
Researchers at University of Tsukuba have produced genome sequences of two wild tomato ancestors, Solanum pimpinellifolium and S. lycopersicum var. cerasiforme, which will aid in breeding improved crop varieties with enhanced disease resistance, climate tolerance, and taste.
The immune system surveils the brain from a distance and only enters when it finds a problem. This finding explains why the brain was thought to be immunoprivileged. Targeting immune cells at surveillance sites may lead to new treatments for conditions driven by brain inflammation, such as multiple sclerosis.
Elvira Mass has made a significant contribution to understanding the role of yolk sac-derived macrophages in maintaining healthy organs. Her research found that these cells can self-maintain for a lifetime, producing bioactive molecules and growth factors essential for tissue development.
Researchers have developed ultra-absorptive nanofiber swabs that can absorb and release more viruses and biological specimens, improving the sensitivity of diagnostic tests. The new swabs detected SARS-CoV-2 at a 10-times lower concentration than traditional cotton or flocked swabs.