A new trial shows that administering tranexamic acid to patients with recent, severe bleeding injuries can reduce death rates without increasing adverse effects. The study estimates that up to 100,000 deaths could be prevented annually worldwide.
The discovery of fossilized bones with cut marks in Ethiopia pushes the timeline of stone tool use and meat consumption back by nearly a million years. The evidence suggests that early human ancestors, such as Australopithecus afarensis, used stone tools to butcher meat from large mammals.
A recent study by Linda Ng Boyle found that an in-car coach using eye tracking technology significantly reduced the time until collision among high-risk young drivers, more than doubling their time. The system provided continual feedback to drivers who needed it most, leading to a significant improvement in their driving behavior.
Researchers discovered a distinct cholinergic system in cocaine-addicted brains, affecting blood flow and regions involved in emotions and behavior. This finding may lead to new treatment options for addiction by targeting this specific system.
Research suggests that responding to infants' cues is key to better sleep outcomes, contradicting past findings on physical contact. Parents who show disinterest or gentle interactions help children fall asleep faster, while those using stern directives hinder sleep.
A new study found that improved prescription drug coverage under Medicare Part D has led to an increase in the use of antibiotics by seniors, particularly for brand-name and more expensive drugs. The study suggests this could lead to unnecessary spending on broad-spectrum antibiotics and overuse of inappropriate antibiotics.
The American College of Rheumatology has announced revised classification criteria for rheumatoid arthritis, allowing researchers to study patients earlier in the course of the disease. The new criteria aim to prevent joint damage and improve patient outcomes.
A new imaging method can identify high-risk patients with potentially life-threatening cardiovascular conditions, helping physicians determine which patients are best suited for implantable cardioverter defibrillator therapy. This technique also helps avoid overuse or underuse of ICD treatment.
A new study from UC Davis found that changing training techniques can reduce shear forces on knee joints, which may help prevent ACL injuries. The research involved female basketball players who learned to land on their toes and balls of the feet, resulting in a 56% reduction in tibial shear force.
Researchers at Purdue University have developed a new technology enabling tiny machines to self-calibrate, leading to super-accurate sensors for crime scene forensics, environmental testing and medical diagnostics. This innovation could revolutionize fields like tracking criminal suspects and detecting hazardous substances.
A team of Yale University geologists discovered that Gondwana underwent a massive 60-degree rotational shift during the Early Cambrian period, with some regions moving at speeds of up to 16 cm/year. This rapid rotation had significant consequences for environmental conditions and the Cambrian explosion of animal life.
A groundbreaking buoy deployment has begun in the Western Pacific to better understand air-sea interactions during typhoons. The buoys will collect data on momentum, heat, and moisture exchange between the atmosphere and ocean.
Researchers from Tel Aviv University have developed improved microelectromechanical systems (MEMS) devices that can measure acceleration and impact with increased sensitivity. These advancements have the potential to transform industries such as sports, transportation, and defense.
Researchers from Ohio State University drilled through Indonesian ice caps, collecting cores that may provide a long-term record of the El Nino-Southern Oscillation phenomenon. The project aims to capture a record of ENSO and reconstruct a high-resolution climate record going back over 500 years.
Scientists found that epigenetic variation can significantly influence the adaptive potential of individual species in marsh orchids, affecting evolutionary potential at a quicker rate. This discovery brings new hope to plant conservation and highlights the importance of environmental factors in altering inherited traits.
A new analysis of voting patterns among bishops at Second Vatican Council points to indirect influence of non-Catholic churches in the Council's liberalization of the Catholic Church. Researchers found that relationships with other religious institutions were crucial factors in predicting bishops' votes on key issues.
A team of Canadian scientists has developed a new neurochip technology that can track subtle changes in brain activity at the level of ion channels and synaptic potentials. This breakthrough allows for the analysis of several brain cells networking and performing automatic, large-scale drug screening for various brain dysfunctions.
Implementing electronic medical records (EMRs) in six antiretroviral treatment sites in Malawi improved quarterly cohort reports completion time from up to five days to minutes. The successful deployment of EMRs also prepared a foundation for a comprehensive electronic health record system for other chronic diseases.
Researchers at Georgia Institute of Technology develop a system to excavate brain tumor cells by directing them away from their location in the brain to a gel-based 'sink' where they can be removed or killed. The goal is to improve survival rates and reduce toxic effects of treatment for pediatric medulloblastomas.
A new study by Harvard University economist John Friedman found that students who progress from average to above-average scores on the Stanford Achievement Test in kindergarten can expect to make $1,000 more per year at age 27. Additionally, they are more likely to attend college and own a home by age 28.
A regional protocol initiative improved aortic dissection patient care, reducing time to diagnosis from 4.3 hours to 160 minutes. The protocol, implemented in 32 hospitals, also led to a 55% reduction in time to intervention for surgically managed patients.
A University at Buffalo study finds that walking to school can reduce stress reactivity in children, leading to lower heart rate and blood pressure. Regular physical activity throughout the day may provide a protective effect against cardiovascular disease.
Researchers developed an optical coherence tomography (OCT) system to monitor balloon inflation during angioplasty procedures, enabling precise measurement of balloon diameter and thickness. This technology holds potential for improving the success rate of angioplasty surgeries.
Emergency department visit rates in the US significantly increased between 1997 and 2007, with a notable rise among adults with Medicaid. The number of emergency departments serving as safety-net facilities also expanded during this period. Increasing access to healthcare services for vulnerable populations remains a pressing concern.
A modeling study found that high malaria transmission areas in Africa require additional tools beyond current interventions like artemisinin-combination therapy and bednets. Targeting outdoor-biting mosquitoes with new strategies may be necessary for achieving elimination in these areas.
A new article highlights the importance of considering cultural differences in the workplace. Research shows that people from different cultures have varying expectations about teamwork, leadership, and family involvement. By acknowledging these differences, employers can create more effective teams and improve collaboration.
Researchers at LSU and two other universities are analyzing the impact of oil on Louisiana's marshlands using water samples and advanced spectroscopic analysis. The study aims to understand the molecular-level effects of oil contamination on coastal health.
A study suggests that biochar, a charcoal-like substance made from plants and organic materials, can sustainably offset up to 12% of global greenhouse gas emissions. Biochar holds onto its carbon for hundreds or thousands of years, keeping greenhouse gases out of the air longer.
A study of over 80,000 patients in the UK found no significant association between oral bisphosphonate use and an increased risk of esophageal or gastric cancer. The analysis excluded patients with less than 6 months follow-up, resulting in 41,826 members in each group.
Researchers developed motion-tracking technology to track motions while people exercise, providing real-time feedback to reduce future injuries. The technology improves balance, emotional and cognitive health, cardiovascular function, and reduces the likelihood of falls among older adults.
A study at University of Michigan and University of Wisconsin-Madison found that 98% of medical students are interested in using technology, including video games and virtual reality, to enhance their education. The survey also showed a significant gender disparity, with male students more likely to play video games.
Researchers have discovered a potential new treatment for fragile X syndrome by targeting phosphoinositide-3 (PI3) kinase inhibitors. These drugs can correct defects in neurons and restore normal protein production at synapses, suggesting improved learning and cognition in individuals with the condition.
A randomized controlled trial found that adding raltegravir to standard antiretroviral therapy had no effect on low-level viral load in HIV-positive individuals. The study suggests that residual viremia may be due to the release of HIV from stable reservoirs, requiring new therapeutic strategies to cure HIV infection.
Archaeologists have unearthed Britain's earliest surviving Stone Age house at the Star Carr site in North Yorkshire, dated to 8,500 BC. The 3.5m circular structure features a large wooden platform and post holes, providing evidence of early carpentry and domestic life.
Researchers at Yale University have developed a new method to visualize and analyze the mechanical stress that causes coatings to peel. This discovery has broad applications in physical and biological sciences, as coatings protect almost every surface.
Researchers design and characterize a field-switchable nanomagnetic atom mirror, which can manipulate atoms by applying magnetic fields. The technology could be applied to devices that trap and confine atoms, potentially leading to breakthroughs in quantum computing.
University of Miami Rosenstiel School graduate students David Weinstein, Kevin Brix, Quinn Devlin, and Erica Staaterman received the prestigious NSF Graduate Research Award for their groundbreaking research. The award is a testament to the school's strong Ph.D. programs and its ability to attract talented students.
Researchers at UCI identified a long-hidden part of the brain called the perforant path, which may help with early diagnosis. The study used ultrahigh-resolution MRI to track water molecules in the brain, confirming the passage weakens gradually with age and deteriorates more quickly due to Alzheimer's disease.
Researchers have developed electrowetting displays that offer high resolution, fast switching speeds, and low power consumption, enabling video content displays and potentially revolutionizing the industry
A new study explores pharmacological strategies to reduce cocaine self-administration in animals, finding that dysregulation of mGlu2/3 and mGlu5 receptors may play a role in the transition to cocaine addiction. The research suggests that targeting mGlu2/3 receptors could be effective for treating severe cocaine-addicted individuals.
Researchers developed a method to accurately assess prostate cancer severity by analyzing magnetic resonance images and spectra. This technique has shown over 90% accuracy in distinguishing low-grade from high-grade prostate cancers, which could lead to better patient management and cost savings.
A new gene that enables bacteria to resist almost all antibiotics has been found in patients from India, Pakistan, and the UK, posing a serious global public health threat. The rapid emergence of these multi-drug resistant bacteria highlights the need for close international monitoring and surveillance.
A study by Texas A&M University researchers found that US middle-grade students exhibit misconceptions about the equal sign, leading to poor math performance. In contrast, international students from Korea and China show a much lower incidence of misunderstanding, with Turkish students exhibiting even less.
A study found that protein clumps are a normal part of aging and can influence neurodegenerative diseases. The discovery was made using the roundworm <i>C. elegans</i> and found that many common proteins in healthy individuals contribute to these clumps.
Researchers have detected and quantified novel small RNAs in human cells that represent entirely new classes of gene-translating molecules. The findings confirm a long-held hypothesis that mammalian cells can synthesize RNA by copying RNA molecules directly.
Researchers compared four progestins and found that N-EL and N-One strongly inhibited tumor development, while MPA promoted it. Progestins like N-EL and N-One may have potential as preventive agents in women with no breast disease or family history.
Researchers have discovered a near complete catalog of DNA segments that copy themselves, move around, and insert themselves in the human genome. These transposon insertion locations help determine physical traits and disease risks, and may lead to new disease gene discoveries.
A study published in JAMA found that the incidence of hospital-onset and community-onset invasive MRSA infections decreased by 28% and 17%, respectively, between 2005 and 2008. The decrease was attributed to the dissemination of MRSA prevention practices in US hospitals.
New research from the University of Toronto Scarborough shows that prejudice has a lasting negative impact on those who experience it. Studies have found that people perform poorly in situations where they feel stereotyped, with lingering effects on behavior such as aggression, over-eating, and poor decision-making.
Researchers found that nursing facility residents with normal zinc levels were 50% less likely to develop pneumonia compared to those with low zinc concentrations. Those with adequate zinc levels also had shorter durations of pneumonia and lower mortality rates.
A new study found that college undergrads tend to study computer materials mindlessly, using weak strategies like over-copying passages and relying on memory drills. In contrast, those who used effective strategies like recording complete notes, creating comparative charts, and building associations scored higher on tests.
A study estimates nearly 30% of US adults over 40 with diabetes have diabetic retinopathy, a leading cause of blindness. The study also reveals higher prevalence and risk factors for vision-threatening retinopathy among diverse populations.
Researchers have discovered that common soluble proteins can become insoluble and form aggregates as a normal part of aging. The presence of these aggregates may influence both lifespan and neurodegenerative disease progression.
A team of Hong Kong researchers has demonstrated that burying a layer of silver nanoparticles improves the performance of organic electronic devices. The finding is significant as it suggests a simple and cost-effective way to enhance transistor performance.
A new study by the Center on Alcohol Marketing and Youth found that youth exposure to alcohol advertising in magazines declined by 48 percent between 2001 and 2008. The largest brands still advertising in youth-oriented publications were those selling spirits.
Researchers have identified a small number of genetic regions responsible for dogs' physical traits, which may hold clues to understanding human biomedical traits. The study found that only six or seven locations in the dog genome determine about 80 percent of differences in height and weight among breeds.
Researchers at King's College London have developed a pioneering new method of diagnosing autism in adults using a quick brain scan that takes just 15 minutes. This technique can identify adults with autism with high accuracy and may lead to the screening for autism spectrum disorders in children.
A study at the University of Pennsylvania School of Veterinary Medicine has identified a key player in animal gut immunity and revealed surprising similarities between fish and humans. The discovery provides new insights into how humans maintain healthy intestines and could lead to improved approaches for keeping fish safe from pathogens.
A study published in Journal of Abnormal Psychology found that subtypes of domestically violent men and women share similar personality traits and characteristics. The analysis of 567 civil psychiatric patients revealed three common subtypes among both genders, shedding light on the complexities of domestic violence.
A team will evaluate watershed sources, lake water stratification, and wind conditions to develop a predictive model for potential changes in hypoxia. The results will help identify acceptable limits for nutrient levels to reduce hypoxia in Green Bay.