A new blood thinner, Dabigatran etexilate (Pradaxa), may increase the risk and severity of certain viral infections, including flu and myocarditis. Researchers found that blocking thrombin activity can disturb the innate immune response to viral infection.
Scientists have long debated the structure of alpha synuclein, a protein associated with Parkinson's. A new study models its structure, finding that it can rapidly switch between different conformations. The researchers suggest that stabilizing an ordered structure could prevent aggregation and offer a new drug-design strategy.
The new guidelines aim to personalize therapy for patients with multiple myeloma by separating them into three risk groups: high, intermediate, and low. This approach allows for more tailored treatment plans that balance benefits with short- and long-term toxicity, ultimately improving patient outcomes.
A study of 126 inactive older adults with cognitive complaints found significant improvement in cognitive function after 12 weeks of physical and mental activity. However, there was no difference between the intervention and control groups, suggesting that the amount of activity may be more important than its type.
Researchers deciphered previously unknown properties of transmitted HIV-1 viruses, revealing they are highly infectious and contain more envelope protein. The findings provide new insights into the biology of viral/host dynamics and may inform vaccine design.
A new study found that group-based financial incentives for weight loss are significantly more effective than individual incentives. Group-based rewards led to nearly three times more weight loss among participants. The study suggests that peer pressure and competition can be powerful motivators in promoting healthy behaviors at work.
Research in African malaria mosquitoes reveals a more complex range of forms due to frequent inter-mating, leading to implications for controlling the disease. The resulting hybrids may have effects on insecticide resistance and malaria parasite infectivity.
A recent study published in the Journal of Marketing found that branding products with human characteristics can lead to a greater backlash when they fail. Consumers who believe in personality stability tend to have stronger negative feelings towards anthropomorphized brands. Companies should be aware of their target audience's beliefs...
A 14-year study found the varicella vaccine to be approximately 90% effective in preventing chicken pox, with a significant decrease in breakthrough cases over time. The second dose of varicella vaccine was found to be unnecessary for prevention of moderate to severe disease.
A recent Harvard study found that consuming fish rich in omega-3 fatty acids significantly lowers the risk of mortality among older adults, with blood levels linked to extended lifespan. The research suggests that adequate omega-3 intake can extend years of remaining life.
A new type of deadly intestinal lymphoma has been identified in Asian patients, with a novel biomarker and diagnostic test developed to accurately diagnose the disease. The study's findings impact the 2008 WHO classification and offer improved treatment strategies.
Researchers developed novel converters for Bulk-Micromegas detectors, increasing neutron detection efficiency by threefold. The new design enables 2D neutron beam monitoring with low detection efficiency detectors.
A study published in Nature Neuroscience reveals that oligodendrocytes play a significant role in the early stage of ALS, with changes occurring long before physical symptoms appear. Suppressing an ALS-causing gene in oligodendrocytes delays disease onset and prolongs survival.
Scientists at the University of Pittsburgh School of Medicine identified a biological pathway that triggers excessive inflammation in pneumonia and sepsis, leading to improved lung function and survival in animal models. The team developed small molecules to inhibit this protein, offering hope for new treatments for these conditions.
In some Earth's mantle regions, the movement of subducted plates stagnates due to slow diffusion and transformation of mineral components. High-pressure experiments revealed that exchange of elements between minerals slows down significantly at depths of 440-650 kilometers, leading to congestion.
Researchers predict a massive 'greening' of the Arctic due to rising temperatures, which could lead to an acceleration of climate warming. The models suggest that tree cover could increase by up to 50% over the next few decades, resulting in significant impacts on the global ecosystem.
Researchers at UC Davis have identified a key protein pathway that distinguishes between harmless and harmful bacteria. The innate immune system recognizes specific sensing proteins that detect invading pathogens, triggering an alarm response to mobilize immune functions.
A study published in Child Development found that instructors who use hand gestures while teaching math problems outperform those without gestures. Students who learned from gesture videos performed better on tests compared to those who learned from speech-only videos, with improved retention over time.
Researchers have created a numeric model of the chromosome that supports experimental data and provides a hypothesis on the bundle's function. The model identifies regions with specific genes, contradicting the chaotic view of the chromosome as a randomly entangled thread.
Researchers found no association between vaccine exposure and autism in a study of over 300 children with ASD and 750 without, contradicting long-standing parental concerns about vaccine safety.
A Texas physician has successfully performed a groundbreaking robotic laparoscopic procedure to tighten a pregnant patient's incompetent cervix. The innovative technique, which utilizes the da Vinci Si robotic surgical system, allowed for precise stitching with minimal scars.
A randomized, controlled trial found that consuming monounsaturated fats in vegetable oils like canola oil lowered abdominal fat by 1.6 percent compared to other oil blends. This reduction in belly fat may decrease metabolic syndrome risk factors and heart disease risk.
The Society for Industrial and Applied Mathematics (SIAM) has announced its 2013 Class of Fellows, comprising 33 renowned mathematicians. These individuals were recognized for their outstanding research and service to the mathematical community.
A new study reveals obstructive sleep apnea is associated with ADHD-like behaviors and other adaptive learning problems in children. Children with persistent sleep apnea were seven times more likely to have parent-reported learning problems.
Researchers at the University of Sheffield have developed a tactile helmet that uses ultrasound sensors to detect distances and provide fire-fighters with additional information. The technology could also be useful for people with visual impairments, acting as an additional sense to guide users.
Astronomers use NASA's Swift satellite to estimate the size of comet ISON's icy nucleus based on water and dust production rates. The team finds that the comet is shedding large amounts of dust but relatively little water, indicating that other volatile materials are fueling its activity.
A recent study published in the Journal of the National Cancer Institute found that estrogen plus progestin use is associated with an increased risk of breast cancer. The study suggests that mortality from breast cancer may be higher for women using this combined hormonal therapy.
A study published in the Journal of the National Cancer Institute found that estrogen plus progestin use is associated with an increased risk of breast cancer incidence. However, survival after diagnosis did not differ between users and non-users, suggesting higher mortality rates among hormone therapy users.
A new study published in Psychology of Women Quarterly found that Asian-American students, particularly males, excel in math and science, while Latino and African American males underperform. The research also shows that female students' perceptions of their abilities in STEM fields are influenced by societal stereotypes.
Researchers have discovered a new species of freshwater snail in Skadar Lake, an ancient lake on the Balkan Peninsula. The discovery highlights the importance of conserving this ecosystem due to its high level of endemism and vulnerability to eutrophication and pollution.
A new study by University of Arizona entomologists reveals that the pyramid strategy for genetically modified crops may not be as durable as previously assumed. The research found that critical assumptions underlying the strategy do not always apply, and that some degree of cross-resistance between toxins can reduce its effectiveness.
Researchers at Joint BioEnergy Institute develop new strategy to enhance polysaccharide deposition in plant cell walls, reducing lignin content and improving sugar release. This breakthrough could increase cell wall content for the pulping industry, bioenergy applications, and improve crop yields.
Researchers studied detrital zircon Hf isotopic compositions to connect the Alexander terrane in Canada with northern Caledonian granitoids. In California, a kinematic analysis of mélange fabrics near San Simeon reveals sinistral slip on the Nacimiento fault zone. The Western Alps also experienced short-lived fast erosional exhumation ...
A new mathematical model, based on biased assimilation, shows that polarization stems from people's tendency to accept evidence supporting their opinions and discredit opposing views. The model, developed by Stanford researchers, aims to create Internet-based social systems that counteract polarization.
A team of researchers identified a lettuce gene and related enzyme that inhibits germination during hot weather, enabling seeds to germinate in warm temperatures. The discovery could lead to lettuces that can grow in high temperatures, improving crop yields.
In a study published in Current Biology, vervet monkeys demonstrate self-control and learning without guidance to solve coordination problems. By playing the 'Forbidden Circle' game, they figure out rules through trial and error, showcasing the importance of individual learning and patience.
Studies found that individuals with dementia and TBI may have distinct clinical characteristics, such as higher fluency and verbal memory scores. Additionally, elderly patients with TBI are at higher risk of premature death due to underlying health conditions or complications after injury.
A study found that low vitamin D levels at three months post-transplantation were associated with lower kidney function and increased scarring at one year. Vitamin D deficiency is common in patients with kidney failure. Maintaining normal vitamin D levels may prevent renal function deterioration after transplantation.
A recent study by the London School of Hygiene & Tropical Medicine found that free bus travel has improved the independent mobility and social lives of young Londoners. The research discovered a 'code of honour' among young people, where traveling together is seen as a sign of loyalty, and traveling alone is perceived as a betrayal.
A UCLA study found that heart failure medications recommended by national guidelines are highly cost-effective in saving lives and may also provide savings to the healthcare system. The combination of these medical therapies demonstrated the greatest gains in quality-adjusted life years for heart failure patients.
A study published in Neuron found that rats achieved optimal performance in less than 300 milliseconds, indicating that taking more time doesn't necessarily lead to better decisions. The researchers suggest that, for certain types of decisions, relying on intuition may be the most effective approach.
A study of 1.2 million dialysis patients found Hispanics lived the longest, followed by Blacks, with Whites having the shortest survival time. The disparity may be due to differences in health status before kidney failure.
A new study out of St. Michael's Hospital found that nearly half of all traumatic brain injuries among Canadian children and youth participating in organized sports occurred in ice hockey, with most caused by body contact or being hit into the boards. The researchers also identified specific prevention tactics for various sports, inclu...
Caltech chemists have explained one of the remaining mysteries of photosynthesis, the chemical process by which plants convert sunlight into usable energy and generate oxygen. The discovery provides a new way of approaching the design of catalysts that drive water-splitting reactions in artificial photosynthesis.
A study published in PLoS Pathogens suggests that removing the viral infectivity factor gene from HIV allows the innate human immune system to destroy the virus. The researchers used a humanized mouse model and found that APOBEC3 proteins effectively restrict HIV growth when vif is removed.
The NOvA neutrino detector has recorded its first three-dimensional images of particles from cosmic rays, a crucial step towards discovering properties of mysterious fundamental particles called neutrinos. The detector will use this data to identify and measure the energy of neutrinos.
A new study by WCS-India reveals leopards inhabit landscapes with high human populations and no wilderness, defying conventional conservation strategies. Camera traps captured five adult large carnivores per 100 square kilometers, showcasing adaptability of humans and wildlife to each other's presence.
Researchers have discovered that Parkinson's disease protein, α-synuclein, forms insoluble aggregates that resist degradation in cells. The accumulation of these clumps impairs the macroautophagy system, a major garbage disposal system within the cell.
Research in Papua New Guinea reveals that local community-led efforts to regulate fish catches benefit both the fishermen and their neighbors. The study found that many larvae produced by managed adults return to the same fish population, highlighting the effectiveness of cooperative management.
A new study found that neuroimaging data can predict the likelihood of reoffending following prison release. Inmates with lower anterior cingulate cortex activity were twice as likely to reoffend compared to those with higher activity.
The SAGE and Urban Affairs Association have honored Dr. Kitty Kelly Epstein with the 2013 UAA-SAGE Marilyn Gittell Activist Scholar Lecture Series and Award. Her award-winning research focuses on organizing and analyzing community issues, highlighting her commitment to creating equitable cities.
A new longitudinal study found that teens who struggled to connect with their peers in early adolescence were more likely to have difficulty establishing close friendships in young adulthood. Conversely, those who established autonomy and independence from peer influences had lower risks of problems with alcohol and substance use.
A new study by Hana E. Brown finds that the language used in immigration debates can have long-term effects on policy outcomes, including welfare reform battles. The study shows how different linguistic approaches can create coalitions and shape policy decisions.
Researchers have identified a key molecule responsible for triggering chemical processes in the brain linked to memory formation. The study found that the gene CASK regulates the 'molecular memory switch', enabling it to remain active even after calcium has gone, paving the way for new therapies to reverse memory loss.
A new study found that 91% of Alberta child-care centres have provided inclusive care in the previous two years. However, many still face challenges, with 36% turning away children with special needs due to capacity issues or inadequate staff training.
A new study by McGill University and Stony Brook University researchers found that true fame is not fleeting. The study analyzed names mentioned in English-language newspapers over several decades and found that most famous individuals remain celebrated for decades, regardless of their field.
Researchers from the University of Notre Dame have created a method using environmental DNA (eDNA) and Light Transmission Spectroscopy (LTS) to detect invasive aquatic species in real-time. This innovative approach enables rapid identification of high-risk species before they cause significant damage.
Researchers found that the seven-atom ring defects at junctions in polycrystalline graphene result in reduced strength due to amplification of tension. This finding is significant for materials scientists using graphene, particularly in composite materials and stretchable electronics.
A study by University of Texas Medical Branch at Galveston researchers found that combining low doses of multiple xenoestrogens can have a dramatically greater effect on hormone signaling than any one compound alone. The combination of bisphenol A, bisphenol S and nonylphenol was found to gang up on estradiol and thwart its response.
Scientists have found that hepatocytes can transform into biliary cells in response to injury, a process dependent on the activation of endogenous Notch signaling. This discovery provides direct evidence for cellular reprogramming in mammals and may lead to new treatments for diseases involving bile duct deficiency.