A 19-year review of nearly 582,000 heart attack cases reveals that female patients have a significantly higher survival rate when treated by women doctors. The study's findings also suggest that male doctors with more female colleagues in the ER can improve survival rates for female patients.
Researchers found that locusts use an OR-of-ANDs logical operation to compensate for variability in brain activity when recognizing smells. This allows the locusts to generalize and recognize the target odorant despite changes in context.
Researchers investigate how a group of cells breaks off from a colony, leading to large-scale metastasis. Mechanical engineer Amit Pathak aims to understand the mechanisms behind disease pathways and fundamental cell behavior.
Researchers have discovered that using information to extract work on a quantum scale is possible, but it comes with a catch: some information may be lost in the process. Quantum backaction allows researchers to measure particles without fully collapsing their superposition states, resulting in negative information.
A team of international researchers has developed a lasing system that produces phonons, the energy products of oscillation, or vibration. By tuning the system to create resonance, they can trigger mechanical movement that generates an acoustic wave. This breakthrough could lead to new medical and materials science applications.
Researchers found that survivors had larger toe pads on forelimbs and hindlimbs compared to pre-storm populations. Survivors also had proportionately longer fore legs and shorter back legs with smaller bodies. These findings suggest natural selection favors certain characteristics in response to extreme weather events.
Researchers propose 'Event Memory Retrieval and Comparison Theory' that explains how people update memory representations to facilitate processing of changes in everyday actions. The study found older adults had difficulty tracking changes, which accounted for their lower memory performance.
New research from Washington University in St. Louis found that warming conditions can alter the way wolf spiders interact with their prey, including springtails and fungi, leading to changes in ecosystem processes like decomposition. This shift could potentially alleviate some impacts of global warming on carbon losses from the tundra.
Scientists have engineered a bacterium that can fix nitrogen from the air, paving the way for nitrogen-fixing plants that could reduce fertilizer usage and increase crop yields. The breakthrough could benefit billions of people worldwide, particularly subsistence farmers.
Scientists at Washington University discovered that activating only 10% of VIP neurons can rapidly shift a mouse's daily schedule. The study suggests that VIP neurons produce vasoactive intestinal polypeptide, an essential compound for synchronizing daily rhythms.
A new patch developed at Washington University in St. Louis increases fluorescence intensity by 100 times, making it easier to visualize and diagnose low-abundance analytes. The plasmonic patch is a cheap fix that can be applied to existing diagnostic tests without requiring any protocol changes.
Researchers at Washington University School of Medicine have developed a gene therapy method to target damaged kidney cells, which could lead to improved treatment for chronic kidney disease. The approach uses adeno-associated virus (AAV) to deliver genetic material to targeted cells, showing promise in slowing or reversing cell damage.
A new study finds that air pollution contributes significantly to diabetes worldwide, with even low levels posing a health risk. The researchers estimated that pollution contributed to 3.2 million new diabetes cases globally in 2016, representing about 14% of all new cases.
A new imaging technique using bioinspired camera technology will measure changes in the UCL during loading, providing insight into damage accumulation. The technique aims to improve microstructural evaluation of soft tissues and study biological damage in rotator cuff tendons.
Researchers at Washington University in St. Louis developed mathematical tools that determine when randomness emerges in stochastic systems, describing the kinetics before dissolving into randomness. The tools have potential to predict onset of chaos in nanoparticles to checking accounts.
A recent study has identified monocytes as key instigators of early lung transplant failure, leading to organ rejection and death. The researchers hope their findings will lead to new therapies targeting inflammatory cells.
Researchers have developed a groundbreaking technique to detect tumor biomarkers in brain tumors through a simple blood test, potentially eliminating the need for surgical biopsies. The method uses focused ultrasound and tiny bubbles to release tumor-specific biomarkers into the bloodstream.
Researchers discovered that baricitinib prevented graft-versus-host disease and even reversed established cases in mouse studies. The drug boosts immune cells to fight cancer while keeping donor T cells from attacking vital organs.
Research tracked changes in Arctic arthropod populations in response to warming temperatures, finding more plant-eating and parasitic insects, and fewer detritivores. The study suggests that water availability will play a key role in determining which bug species can thrive in a warming Arctic.
A new automated text messaging service aims to curb opioid abuse by providing patients with regular check-ins and a panic button for immediate help. The study found that the service reduced substance use among patients, dropping from 43% to 10%, and saved caregivers $19 per patient annually.
Researchers at Washington University in St. Louis have developed a new process to generate NP-like cells from human induced pluripotent stem cells (hiPSCs). The team mimicked the embryonic development process to produce nucleus pulposus cells, which could potentially be used to treat degenerative disc disease.
A team of engineers at Washington University in St. Louis studied the formation of new bone and teeth, discovering that miniscule gaps in collagen's fiber structure facilitate the nucleation of calcium phosphate. The findings provide a new view into the current theory of calcium phosphate nucleation in confined spaces.
Scientists at Washington University in St. Louis have developed a new method to convert CO2 into a solid inert mineral in basalt, which holds promise as an effective abatement agent for reducing greenhouse gas emissions. The research revealed that 47 kilograms of CO2 can be converted into mineral inside one cubic meter of basalt.
A new study suggests that Silk Road cities had limited and monotonous diets, while nomadic communities enjoyed a diverse smorgasbord of foods. Researchers used isotopic analysis of human bones to unlock information about ancient dietary regimens.
A new study suggests that individuals in modern democracies, including the US and Germany, show little interest in erasing wealth disparities. Only 12% of available funds are allocated to reduce inequality, with most people preferring a considerable degree of economic inequality.
Researchers found a key regulator, importin IMB4, that holds kinesins in check until their cargo is needed. This process is crucial for building the plant cell wall and preventing waste.
Researchers have developed a new method to precisely map brain folds in premature infants, which could lead to early detection of developmental disorders. The technique uses 3-D imaging and computer algorithms to identify subtle patterns of growth and folding, providing a unique fingerprint for each infant's brain development.
A new study found that antibiotic prescriptions continue to be prescribed at high rates in outpatient settings, contributing to drug-resistant infections and excess healthcare costs. The researchers analyzed data from Express Scripts Holding Co. and found no decline in overall antibiotic prescription rates over a three-year period.
Researchers studied Dictyostelium discoideum in the wild using gene sequencing techniques. They found that genes related to social conflict were evolving rapidly, supporting laboratory experiments on social interactions. The study also showed that cells sacrifice themselves for relatives, demonstrating kin selection.
Researchers at Washington University developed a novel, low-cost technique to preserve blood and urine samples without refrigeration. The method uses nanoporous materials to protect protein biomarkers, maintaining 95% purity and enabling efficient transportation and analysis.
Researchers at Washington University in St. Louis have developed a method enabling effective insertion of large molecules into cells using acoustic shear poration and electrophoresis. The approach has achieved greater than 75 percent delivery efficiency of macromolecules, including DNA insertion, which is significantly more challenging.
A new study found that most NIH grants awarded to pediatric researchers in the past five years have been limited to senior physicians at a few institutions. This downward trend in funding affects early-career physician-scientists, potentially hindering research discoveries and patient treatments.
Researchers have discovered an ancient irrigation system in northwestern China that allowed farming communities to cultivate crops in one of the world's driest desert climates. The system, built around 3rd or 4th century A.D., used check dams, irrigation canals, and cisterns to feed small farm fields and support livestock production.
A collaborative team from Washington University in St. Louis conducted field studies in Raipur, India, to quantify the true scope of particulate emissions from cookstoves. They found that emissions were higher than previously estimated, with some cases exceeding twice the levels detected in laboratory experiments.
A new study from Washington University School of Medicine in St. Louis suggests that kidney dysfunction increases the risk of diabetes. Elevated urea levels, which can be lowered through medication and diet, are a likely cause of this relationship.
Researchers found a three-fold increase in biodiversity during the Ordovician Period, coinciding with a significant rise in oxygen levels. The study suggests that atmospheric oxygen levels did not reach modern levels for millions of years after the Cambrian explosion.
New research from Washington University in St. Louis suggests ancient barley took a southern route to China, adapting to seasonal challenges along the way. The study, published in PLOS One, analyzed radiocarbon data and DNA evidence from ancient grains in China, India, Kyrgyzstan, and Pakistan.
Scientists at Washington University in St. Louis have developed the first experimental map of a cyanobacteria's water world, revealing pathways that could be used to deliver water to the active site. The discovery advances photosynthesis research and has implications for green fuels.
Researchers from Washington University in St. Louis and University of Rochester use quantum mechanics to measure frequency with unprecedented accuracy, reducing uncertainty by a factor of 100. This breakthrough has potential applications in various fields, including MRI medical imaging, navigation, and astronomy.
Researchers discovered that cells retain properties from their previous environment for several days, known as mechanical memory. This property can aid in tumor invasion and metastasis. The study's findings may lead to new insights into the mechanisms behind cancer spread.
Despite multiple injuries and deafness, Shanidar 1 lived into his 40s with the help of others. His sensory impairment made him vulnerable to predators, emphasizing the importance of social support for survival as a hunter-gatherer in the Pleistocene.
A portable 3D scanner has been developed to measure swollen limbs in patients with elephantiasis, a parasitic disease causing major swelling and deformity of the legs. The device provides highly accurate results in just a fraction of the time required by traditional methods, making it easier to assess treatment effectiveness.
Researchers at Washington University in St. Louis have discovered that brown carbon aerosol from wildfires loses its ability to absorb sunlight the longer it remains in the atmosphere, leading to a significant reduction in warming effects. This finding challenges current climate models and could impact air quality management districts.
Research led by Washington University School of Medicine finds that prescribing antibiotics in addition to lancing and draining staph-infected areas reduces the risk of recurrent infections. Clindamycin was found to be more effective at eliminating staph colonization than other antibiotics.
A recent study suggests that large brain size is an adaptation for handling frequent environmental change, allowing birds to colonize seasonal habitats. Contrary to the cognitive buffer hypothesis, the study found no evidence that big brains evolved exclusively in variable environments.
A new study from Washington University School of Medicine and VA St. Louis Health Care System found that breathing dirty air may harm kidneys. The research analyzed data on nearly 2.5 million people over 8.5 years, concluding that high levels of particulate matter increase the risk of chronic kidney disease and failure.
A study using scat-sniffing research dogs helped scientists develop a plan to save reclusive jaguars, pumas, and other endangered carnivores by creating habitat corridors that connect protected areas. The model provides maximum habitat connectivity for all species while minimizing costs through privately owned lands and communities.
Washington University engineer Jr-Shin Li has developed a mathematical formula to design broadband pulse sequences, leading to enhanced signal sensitivity in various quantum experiments. The formula, published in Nature Communications, is the first to use analytical methods, resolving challenges associated with numerical optimization.
Researchers create model to test existing theories on electron transport mechanism in nanomaterials, laying groundwork for AI-powered machine learning devices. They also explore neural networks inspired by the human brain and nervous system.
Researchers at Washington University in St. Louis found that controlling car ventilation can significantly reduce pollutant exposure during commutes. Using portable instruments and sensors, they measured pollutant levels inside and outside cars during daily commutes, finding that running the AC reduced pollutants by 20-34%.