The study analyzed the impact of climate change on spotted hyena survival in Europe over 10,000 years ago. The researchers found that while climate change was a factor in the hyenas' disappearance, it was not the sole cause.
A study by LDI researchers found that vitamin C supplementation improved mood states in hospitalized patients, but had no effect on vitamin D levels. The treatment is simple, safe, and cheap, with major clinical practice implications.
The Magnetic Energy Recovery Switch (MERS) harnesses and recycles residual magnetic power to control electrical flow, significantly reducing lighting energy consumption by 39 percent. The technology has the potential to reduce the Navy's total energy consumption from alternative sources by 40% by 2020.
Two new studies reveal racial disparities in kidney disease among African Americans, including higher rates of kidney failure, premature death, and lower rates of living donor transplants. The findings emphasize the importance of addressing these disparities to improve health outcomes for this population.
Researchers from Ohio State University found that urban bird nests have lower nest survival rates due to human-provided food sources like trash cans and birdfeeders. Despite higher predator numbers in urban areas, these birds are less likely to be attacked because they can feed themselves.
Dr. Susanne Wetzel's NSF-funded research aims to develop protocols for secure, private, and fair collaboration without trusted third-party intervention. The project seeks to resolve the issue of policy reconciliation, allowing parties to collaborate while preserving their privacy.
Researchers successfully recreated the extreme conditions found at the Earth's core-mantle boundary, enabling them to study the behavior of a unique mineral called post-perovskite. This discovery sheds light on how seismic waves travel through this region and provides insights into Earth's internal heating and cooling processes.
A new study uses a novel imaging method to analyze underwater video of the well riser, affirming heightened estimates of the leak's volume and total oil escaped into the open ocean. The scientists estimate 4.4 million barrels were released, close to the government's recent consensus.
Scientists have found that global groundwater stocks are shrinking at an alarming rate, with the rate of depletion more than doubling between 1960 and 2000. This rapid loss of water could lead to severe consequences for a growing human population, including food insecurity and social unrest.
Successful carotid artery surgery halves the risk of stroke over the next 5 years and provides long-term benefit for up to 10 years. The procedure is recommended for asymptomatic patients under 75 years old who have narrowed neck arteries, as it significantly reduces the risk of disabling or fatal strokes.
The NIH will fund a five-year research initiative to identify and treat HIV-positive inmates in the US prison system. The goal is to reduce HIV transmission and improve public health by linking those in incarceration to antiretroviral therapy and medical care.
Researchers found that patients disenrolling from hospice care had nearly five times the healthcare costs of those remaining with hospice. This is due to increased hospitalizations and emergency department visits.
Two Elsevier medical titles, Color Atlas of Clinical Hematology and Kumar & Clark's Clinical Medicine, won first prize in their respective categories at the BMA Medical Book Competition. The awards recognize the quality and expertise in these medical texts.
A genome-wide association study has identified a gene, MTHFD1L, associated with an increased risk of late-onset Alzheimer's disease. Individuals with a particular variation in this gene may be twice as likely to develop the disease.
Researchers at the Walter and Eliza Hall Institute are investigating different aspects of parasite biology, with a focus on developing new treatments. Dr Chris Tonkin is studying Apicomplexan parasites to understand their invasion mechanisms and identify potential targets for drugs.
A Canadian Patient Safety Institute-led research team, led by Dr. Diane Doran and Dr. Régis Blais, has been awarded $1 million to investigate the safety risks of healthcare services provided in homes. The two-year study aims to improve patient safety outcomes in home care services.
Cardiovascular Innovation Institute researchers have received a $2.027 million grant from the National Institutes of Health to further develop an implantable pump for patients with single ventricle heart disease. The device has the potential to revolutionize treatment by reducing surgeries and improving survival rates.
Researchers found that adopting School-Wide Positive Behavioral Interventions and Supports (SWPBIS) significantly improved student behavior and academic achievement. The study, published in the Journal of Positive Behavior Interventions, showed that SWPBIS was effective in reducing suspensions and office discipline referrals in element...
A study by Columbia University's Mailman School of Public Health found that nearly all NYC public school students have access to convenient, energy-dense foods within a short walk. Small grocery stores and bodegas are common sources of unhealthy food, with higher concentrations near schools attended by low-income and minority students.
The Phase II study will establish the optimal dosing regimen and then be tested in Kenya, Mozambique, South Africa, and Uganda. The TB vaccine candidate has been shown to have an acceptable safety profile in early-stage clinical trials.
Researchers discover normal protein function, not cell buildup, causes muscle weakness and other symptoms of a rare neurodegenerative disease. The finding offers hope for treatment and a new model for understanding the mechanism at work in common nervous system disorders like Parkinson's and Alzheimer's diseases.
A pilot study has been funded to evaluate a new approach to weight loss and physical activity in people at increased cardiovascular risk. The Waste the Waist programme aims to encourage behaviour change through lifestyle modifications, targeting individuals who are at risk of developing diabetes and cardiovascular disease.
Researchers found that patients with occupations requiring high verbal skills had greater tissue loss on the right side of the brain, while those with low verbal skills had greater loss on the left. This effect was most pronounced in the temporal lobes of the brain.
Research suggests that periodontal disease may affect more American adults than previously estimated, with a potential 50% increase in prevalence. The study highlights the importance of maintaining good oral health and regular dental check-ups to prevent gum disease.
Scientists have detected gas escaping from Mercury using NASA satellites designed to view the Sun's atmosphere. The STEREO mission has recorded evidence of a 'tail' of emission surrounding the planet, similar to comet-like features observed on Earth and in images taken by the MESSENGER satellite.
A multicenter study published in the New England Journal of Medicine shows that transcatheter aortic-valve implantation resulted in significantly lower rates of death among patients who cannot undergo surgery. The procedure demonstrated safety and effectiveness for this life-threatening illness in unsuitable candidates.
A study by Penn State researcher Christopher Scheitle found that people who leave strict religious groups are more likely to report poorer health than those who remain in the group. The study analyzed data from over 30,000 cases and found that only about half of former members reported excellent health.
A new study from Örebro University suggests that smoking during pregnancy can harm a child's motor control and coordination, with boys potentially affected to a greater extent. The study, based on over 13,000 children, found that those whose mothers smoked at least nine cigarettes a day during pregnancy had difficulty completing physic...
A global consortium led by Carnegie Mellon aims to develop technology-based methods for measuring students' understanding of STEM coursework. The Measuring Learning Consortium, supported by HP Catalyst Initiative, will create a new breed of technology-enabled embedded assessments to measure STEM competencies.
A new treatment has been found to significantly reduce mortality rates among patients with severe aortic stenosis, while also improving their quality of life. The bioprosthetic-tissue valve treatment was shown to save lives and enable patients to walk, exercise, and engage in daily activities.
A recent study published in the Journal of Dental Research has identified genetic variations in taste pathway genes as predictors of tooth decay. The researchers found associations between TAS2R38 and TAS1R2 genes and caries risk or protection.
A new study by MIT neuroscientists suggests that the brain learns to solve object recognition through experience in the natural world. Researchers exposed monkeys to altered visual stimuli, which led to changes in neural activity and object preferences.
A large-scale genetic study of 26,000 people has identified seven locations on the genome where differences in the genetic code are associated with asthma. The findings suggest that allergies may be a consequence of asthma rather than a cause, and that genetic testing is unlikely to predict who will develop the disease.
Developing language skills is crucial for boys to regulate their emotions and behavior, according to a Michigan State University study. Boys with strong vocabulary can exhibit dramatic improvements in self-regulation, comparable to girls with similar skills.
Two new species of horned dinosaurs, Utahceratops and Kosmoceratops, have been discovered in Grand Staircase-Escalante National Monument in southern Utah. The dinosaurs possess unique horn structures, with short eye horns projecting strongly to the side, and one horn over the nose, making them the most ornate-headed dinosaurs known.
The University of Illinois Chicago has received a $12.4 million grant to study the predictors of smoking patterns from adolescence through young adulthood. Researchers will track approximately 1,200 youth to explore social and emotional contexts that influence smoking behavior.
The GOES-13 satellite has captured images of three tropical cyclones, including Tropical Storm Lisa in the eastern Atlantic and Tropical Storm Georgette in the eastern Pacific. Lisa is struggling to intensify due to wind shear and dry air, while Georgette is expected to produce heavy rainfall over western Mexico.
A novel nano-CT imaging technique enables researchers to visualize the nano-structure of bone samples with high precision. This allows for better understanding of structural changes related to osteoporosis and development of new therapeutic approaches.
A team of Pitt and Carnegie Mellon researchers are leading a $2 million federally funded project to improve life-cycle assessments and predict environmental impacts. They aim to redesign the scientific method guiding sustainable construction and develop a digital simulator to predict a structure's ultimate footprint.
Researchers found that tau acetylation contributes to Alzheimer's disease and other neurodegenerative diseases. Inhibiting tau acetylation may be a new approach for reducing tau-related pathology.
A recent study published in PLOS ONE suggests that brain abnormalities may underlie the development of antisocial behavior and drug abuse in boys. The research found significant differences in brain activity between antisocial boys and their peers, including reduced activity in regions responsible for decision-making and reward process...
Researchers at the University of Alberta have developed a drug that can reduce or eliminate airborne disease transmission when someone coughs. The new treatment uses a spray form and has shown promise in suppressing droplet emission from lung fluid.
Researchers found cocaine, ecstasy, and six other drugs in the canals of L'Albufera Natural Park. High levels were detected in north and areas with high population density, warning of potential consequences for humans and environment.
Researchers at Fraunhofer Institute have developed new detection equipment that can reliably identify liquid explosives. The method involves sensors detecting vapors from open containers or x-ray equipment scanning unopened bottles, paving the way for lifting of EU ban on carry-on liquids.
Researchers identify key genes that allow fruit flies to differentiate between smells, enabling the development of more effective insect repellents. By understanding how these genes are regulated, scientists can target similar genes in other insects to create substances that repel pests.
Researchers at the University of Texas Health Science Center San Antonio identified Ume6 as a key transcriptional regulator involved in Candida albicans' hyphal filament-development mechanism. This finding may lead to targets for antifungal therapies, which could help combat hospital-acquired infections caused by this fungus.
Two LSU research groups investigate the impact of oil and dispersants on the Louisiana salt marsh ecosystem and genetic structure of wildlife populations. The studies aim to understand short- and long-term effects of chemicals on natural systems.
Scientists have developed a laboratory model to study innovative approaches against typhoid fever in a living system. The 'humanized' mouse model enables researchers to test new treatments before testing them on people.
Researchers found that mice treated with chromium picolinate had lower levels of albuminuria compared to untreated diabetic mice. The supplement reduced inflammation by affecting IDO, IL-6, and IL-7, suggesting a potential therapeutic effect.
A new paper in Nature suggests that a sudden cooling event in Northern Hemisphere oceans between 1968 and 1972 played a key role in the observed hiatus of global warming during the mid-20th century. The research found that this cooling event was most pronounced in the northern North Atlantic.
Researchers will test NC State-created molecules against different types of animal cells infected with bacteria, aiming to develop effective treatments for antibiotic-resistant infections. The project aims to identify leading candidates that both revive antibiotics' effectiveness and have a low toxicity profile.
The study found that China's enormous population drives its high ranking, despite low per capita fish catch and consumption. The United States comes in third, while Peru ranks second in catch but not top 20 in consumption.
A team at Scripps Research Institute has detailed the structure of a member of the only remaining class of multidrug resistance transporters. The study, published in Nature, may lead to the development of new antibiotics and improve crop agriculture by reengineering the transporter to help plants grow in soil they can't grow in now.
Researchers followed approximately 150 patients with angiographically significant coronary lesions to investigate FFR-guided revascularization's safety and effectiveness over a decade. The study found no excess risk of adverse events, including mortality, heart attacks, or need for further revascularization.
Researchers at Florida State University found that people with Parkinson's disease alter their gait when asked to perform verbal tasks while walking, increasing the risk of falls. Even healthy adults without a neurological impairment demonstrated similar difficulties walking and talking, highlighting the need for healthcare professiona...
Scientists have developed a new form of methotrexate as nose drops to treat brain cancer, showing promise in bypassing the blood-brain barrier. In initial testing on laboratory rats with brain cancer, the nose drop drug reduced tumor weight by almost one-third compared to injectable treatment.
A new study by West Virginia University researchers found that middle-school teenagers who are physically active and play on sports teams are more satisfied with their life and feel healthier. Playing on a sports team was linked to higher life satisfaction in both boys and girls.
A new study published in Human Reproduction found that children conceived by IVF perform at least as well as their peers on standardized tests from grade 3 to 12. The study also discovered factors such as older mother age, higher education levels of both parents, and lower divorce rates linked to better test scores.
Patients treated with terlipressin for gastrointestinal bleeding due to portal hypertension experienced a significant reduction in serum sodium concentration. The study suggests that monitoring serum sodium closely and avoiding high-sodium solutions may help prevent adverse events.
Researchers found that two single vodka and orange drinks significantly affected obstacle avoidance test results in senior volunteers. The study showed delayed response times and reduced amplitudes after just one drink, highlighting the negative impact of low-blood-alcohol concentrations on dexterity.