A study reveals a mathematical model called 'hidden metric space' that explains the efficiency of complex networks, including the Internet and human language. This discovery could lead to innovative architectural changes to remove bottlenecks and optimize communication in these systems.
A study by UNC researchers found that palladin, a protein expressed mostly in invasive breast cancer cells, plays a crucial role in their ability to migrate and spread. Knocking down palladin expression reduced the ability of breast cancer cells to metastasize.
A comprehensive study on Puerto Rico's freshwater fish species has been conducted by NC State researchers, identifying key features that support native populations and distinguishing those susceptible to invasion. The study aims to inform conservation efforts and management decisions for the island's fisheries.
The MARS Observatory is a deep-sea ocean observatory that allows researchers to continuously monitor the dark world of the deep sea. It enables real-time data and video transmission from instruments installed on the seafloor.
A study found that loyal customers search for evidence a competitor brand is bad, while less loyal customers seek confirmation it's good. Researchers changed perceptions by shifting focus from dissimilarities to similarities or vice versa.
A new study by Anna Dornhaus found that individual rock ants specializing on one task are no more efficient than those performing multiple tasks. Despite concentrating their work on a specific job, specialized ants do not perform better or faster, but instead spend more hours working.
A new study reveals that positive moods increase our ability to understand the big picture and make healthier decisions. Researchers found that people in a good mood think more abstractly and adopt higher-order future goals.
A recent study found that regular physical activity can lower a woman's overall risk of cancer, but only if she gets a good night's sleep. The study, published by the American Association for Cancer Research, suggests that short duration sleep can undermine exercise's cancer prevention benefits.
A study by Professor Demetriades and colleagues suggests that government-owned banks are a safe haven for depositors when regulatory institutions are perceived as weak. The research challenges the 'political view' of state banks, arguing that privatisation can lead to financial instability and dis-intermediation.
A new study finds that antibiotics like ciprofloxacin significantly affect the diversity and abundance of health-associated bacteria in the human gut. The study reveals that even after treatment is stopped, some strains of beneficial bacteria may take up to four weeks or longer to return to pre-treatment levels.
Scientists at Max Planck Institute of Neurobiology show that new cell contacts established during learning process stay active, enabling faster learning of forgotten information. This reactivation facilitates more efficient relearning and retains ability to learn up to advanced age.
A new study reveals that Canada's supervised injection facility, Insite, saves the healthcare system millions of dollars while extending life-years by 920 over a decade. The facility's implementation reduces HIV and Hepatitis C cases, increases methadone treatment referrals, and decreases drug overdose rates.
Researchers found evidence of a mother, father, and two sons aged 8-9 and 4-5 years buried face-to-face with arms interlinked. The graves also showed signs of violent raids and injuries, indicating a tragic event in prehistoric Central Europe.
Young African-American men have higher central blood pressure and stiffer blood vessels compared to their white counterparts, indicating early signs of hypertension. Central blood pressure is a key factor in detecting the problem, suggesting that it may be developing undetected in young African-American men.
Researchers have identified a molecule, Wnt3, that plays a crucial role in creating connections between nerves and muscles. This finding offers a new possibility for developing drugs to treat MND and other neurodegenerative diseases.
Researchers analyzed 13,223 school children aged 13-14 from four locations to investigate asthma prevalence. The study found that asthma symptoms were lowest in mainland China, highest in Canada-born individuals, and varied among Hong Kong residents.
Researchers use advanced microscopy techniques to image the structure of peptidoglycan, a key component of bacterial cell walls. The study reveals that glycan strands wrap around the cell like a belt, allowing scientists to better understand how bacteria grow and respond to antibiotics.
A new study found that a psychological intervention program designed for breast cancer patients increases their chance of survival and reduces the risk of recurrence. Participants who received the program reduced their risk of dying from breast cancer by 56 percent and breast cancer recurrence by 45 percent.
New research from Washington University School of Medicine suggests that cooling the brain may prevent nerve cell death in infant mice exposed to anesthesia. The study found that hypothermia blocked neuroapoptosis and reduced low-level neuroapoptosis during brain development, potentially preventing cognitive and developmental delays.
Researchers developed an optical imaging technique called OFDI that visualizes areas of inflammation and plaque deposits in coronary arteries, improving understanding of coronary artery disease. The technique has the potential to diagnose and treat plaque before it leads to serious problems.
Mortality rates for most Canadian cancers are declining, while others are increasing, including liver and lung cancer. Research shows that at least half of all cancers are preventable, emphasizing the need for effective cancer control measures.
A randomized clinical trial found that breast cancer patients who participate in psychological intervention sessions experience reduced stress, improved mood, and altered health behaviors. This led to a significant decrease in cancer recurrence and death from breast cancer, as well as overall mortality.
Researchers used NASA satellite data to estimate the heat-trapping effect of water vapor, validating its critical component role in climate change. The study found that increasing water vapor leads to a spiraling cycle of warming and increased absorption, amplifying the warming effect of other greenhouse gases.
Scientists have reproduced the protein responsible for mussel adhesion in a synthetic material, showing that adhesion is independent of link number. The findings could lead to manufacturing polymers with binding sites for different materials.
A recent Canadian study found that asthma is being over-diagnosed in 30% of adults, with two-thirds able to safely stop taking medication. The study suggests that there may be a substantial over-diagnosis of asthma, potentially obscuring the true cause of symptoms.
A new study finds that high levels of individualism are associated with increased beer and alcohol consumption. In the US, individualistic regions showed higher rates of teen drinking, heavy drinking, and adult binge drinking.
The Canadian Society of Nephrology has released new guidelines to slow progression, prevent complications, and reduce mortality in chronic kidney disease patients. The guidelines encourage shared care among general practitioners and specialists.
A new study published in Neurology found that a growth hormone drug, MK-677, did not slow the symptoms of Alzheimer's disease in humans. The study involved 416 participants with mild to moderate Alzheimer's disease and showed no significant impact on disease progression despite increased levels of insulin-like growth factor-1.
Researchers found that cancer drugs imatinib and sunitinib can put type 1 diabetes into remission in 80% of test mice. The benefits of the drugs' rapid action are attributed to their ability to block platelet-derived growth factor receptor, a tyrosine kinase not known to be implicated in diabetes.
The study found that CAPHOSOL results in a low incidence of oral mucositis, moderate to severe pain, and dysphagia. Patient satisfaction rates were high, with 79% describing themselves as satisfied or very satisfied with the treatment.
A new study from Stanford University School of Medicine found at least 5,600 separate species or strains of bacteria in the human colon, surpassing previous estimates. The research uses pyrosequencing technology to assess bacterial ecosystems and reveals the critical functions performed by intestinal microbes.
A team of scientists discovered that novel genes are responsible for morphological differences between two closely related species of freshwater polyps called Hydra. The study found that a secreted protein encoded by one such gene controls the pattern in which the tentacles develop, leading to species-specific traits.
A multidisciplinary team from McGill University Health Centre developed effective predictive tools to assess patient progress after severe traumatic brain injury. The study found that cognitive and emotional faculties did not develop to the same extent as physical function, leading to persistent deficits.
Researchers found that a night's sleep restored abilities lost after 12 hours of training, and protected memory against loss over the next day. Sleep consolidation may help in learning language processes and eye-hand skills.
The Lancet Infectious Diseases review highlights the growing concern of Acinetobacter baumannii infections, which can be caused by environmental exposure, skin colonization, or hospital-acquired conditions. Researchers emphasize the need for strict hygiene compliance and further research on antibiotic treatment options to prevent major...
Researchers discovered that the Hippo signaling pathway regulates vertebrate neural development by controlling cell growth and differentiation. The study identified a new transcription factor protein, TEA domain (TEAD), as the cognate partner of YAP in the nucleus.
A new study finds that individuals with high and low self-control categorize items differently as necessities or luxuries. People with low self-control tend to categorize fewer items as necessities, making it more challenging to stick to their goals.
Jaguar, the Oak Ridge supercomputer, has a peak performance of 1.64 petaflops, enabling researchers to solve complex problems faster and explore dynamic systems. The system has already run scientific applications in days, sustaining petaflops performance on multiple applications.
Researchers have found strong links between smoking and two forms of esophageal cancer, as well as a form of stomach cancer. Drinking alcohol is strongly associated with one form of esophageal cancer, with the risk increasing fivefold for those who drink four glasses a day.
A landmark trial is underway to assess whether COLD-FX reduces infections in chronic lymphocytic leukemia patients, who are vulnerable to respiratory infections due to weakened immune systems. The study aims to evaluate the effectiveness of COLD-FX in preventing and treating viral respiratory infections.
University of Michigan researchers have developed a simple method for detecting contaminants in heparin, a blood-thinning drug used to prevent and treat blood clots. The new method uses potentiometric polyanion sensors to distinguish pure heparin from tainted heparin containing oversulfated chondroitin sulfate.
Researchers found asymmetrical synaptic structure and molecule composition between left and right hippocampus synapses. This discovery sheds light on the distinct neural mechanisms underlying learning and memory processes.
The NSF CubeSat program represents a new 'low cost access to space' approach to performing high-quality science. Firefly will explore the relationship between lightning and Terrestrial Gamma Ray Flashes (TGFs), with potential implications for understanding Earth's upper atmosphere and near-Earth space environment.
A study in the Journal of Consumer Research found that individuals tend to protect their memories of special experiences from being repeated. Participants preferred to acquire souvenirs that would help them remember meaningful experiences rather than mundane ones, even if they were more memorable.
A University of Chicago Press Journals study finds that unrealistic optimism in exercising leads to overestimation, costly treadmill purchases, and a more decisive personality. Researchers suggest instructing consumers to be less idealistic may improve realistic estimates.
A new review article in Circulation highlights the link between vitamin D deficiency and heart disease, with rates of severe disease or death potentially 30-50% higher among sun-deprived individuals. Treatment options such as vitamin D supplements may help decrease the risk of cardiovascular disorders.
Researchers at MIT suggest that capturing a fraction of carbon dioxide emissions from coal-burning plants could be a near-term solution to reduce emissions and generate much-needed electricity. This approach, known as 'partial capture,' could allow the US to meet its climate goals while also demonstrating carbon capture technology.
Researchers studied DNA methylation in former smokers and found differences between those with lung cancer and disease-free individuals. Altered methylation levels may explain why some former smokers develop lung cancer despite quitting smoking.
The journal marks a decade of publication with a special series on the art and science of facial plastic surgery, featuring topics such as wound healing, laser technology, and biomaterials. The Archives also covers advances in craniofacial surgery and facial reanimation.
Insecticide-treated bednet coverage increased from 1.8% in 2000 to 18.5% by 2007, leaving 89.6 million children unprotected, with 25% in Nigeria alone.
A study found that pay for performance schemes improved coronary heart disease management across ethnic groups, with fewer disparities in care. The scheme also led to increased blood pressure control and statin prescriptions among South Asians and whites, but not among blacks.
Researchers reveal a surprising mechanism of action for certain antibiotics, finding that they trigger the production of hydroxyl radicals, contributing to bacterial cell death. The study identifies potential new targets for antibiotic development and could help rejuvenate older antibiotics.
A survey of researchers found that many engaged in self-censorship after public debate about NIH grant funding, removing politically sensitive language and stopping certain topics. The study also showed that some researchers strengthened their commitment to complete their research despite controversy.
A study by Fox Chase Cancer Center researchers reveals that BubR1 protein plays a crucial role in chromosome distribution during mitosis. Mutating this protein may cause genetic shuffling similar to that seen in cancer cells, making it a potential target for cancer treatment enhancement.
A study found that beachgoers who intended to tan and used the least amount of sunscreen were at higher risk of skin cancer. The researchers identified three groups with distinct characteristics and sun protection behaviors, highlighting the need for targeted interventions to reduce UV radiation exposure.
Scientists have identified a relationship between two proteins in the brain linked to both nicotine addiction and autism. The discovery suggests that existing drugs used to curb nicotine addiction might serve as a basis for potential therapies to alleviate autism symptoms.
African-American men and those with a family history of prostate cancer are at higher risk due to genetic factors. Genetic markers associated with increased risk have been found to be more prevalent in these populations, suggesting they may be used for personalized screening recommendations.
A study found that non-white medical students are less likely to adopt complementary and alternative medicine (CAM) practices, while white students view these therapies more positively. The survey of medical students measured attitudes towards CAM during four years of medical training.
Researchers at Johns Hopkins University have discovered that certain atoms can move apart and rejoin together under specific conditions, creating a phenomenon known as a 'nano-riot'. This behavior can be controlled using laser light, enabling the creation of tiny computer components with reduced heat emissions.
Researchers have developed an application called Zoetrope that allows users to easily search and analyze historical web data. The system captures and stores archived websites, enabling users to view past versions of sites and track changes over time.
Scientists have determined that pain and itch are regulated by different molecular mechanisms. Researchers at WashU Medicine separated itch and pain sensations in mice, a finding that could have important implications for treating both pain and chronic itching. GRPR gene plays key role in transmitting itching sensations.
A new study by researchers from The Miriam Hospital's Centers for Behavioral and Preventive Medicine suggests that increased physical activity after bariatric surgery can lead to better postoperative outcomes, including greater weight loss and improved health-related quality of life. More than two-thirds of participants who became acti...
Research reveals how intense glacial erosion changes the St. Elias mountain range's internal structure, responding to plate tectonics and climate change. The study provides new insights into the impact of glaciers on mountain formation and evolution.
A study analyzing data from 8,563 trauma patients found no significant differences in the initial assessment and management of injuries based on ethnicity. However, minority patients were more likely to be younger, less insured, and treated at public hospitals.
New research reveals that commonly used drugs to treat chronic lung damage in premature infants can cause brain cell damage, potentially leading to cognitive and motor-control issues. Synthetic glucocorticoids like dexamethasone and betamethasone were found to be toxic to neural progenitor cells in mice.
A new ACP clinical practice guideline states that second-generation antidepressants are equally effective in treating depression but have different adverse effects. The guideline recommends assessing patient status and modifying treatment if necessary, to maximize therapeutic response while minimizing side effects.
Researchers found associations between lifestyle, behavioral, and demographic variables on cancer risk among the elderly, including moderate physical activities decreasing cancer risk. Tobacco consumption was also linked to lung cancer, while comorbidities increased breast and prostate cancer risk.
Research identified three genes linked to fat processing that could raise kidney cancer risk, according to a study presented at the American Association for Cancer Research. Variants of nitric oxide synthase 2A and prostaglandin-endoperoxide 2 were found to increase risk, while apolipoprotein E1 was associated with reduced risk.
A cost-effectiveness analysis of Insite, Canada's supervised safe injection site, concludes that it saves $14 million over 10 years while preventing 920 life-years lost to HIV and Hepatitis C. The study suggests that Insite is almost certainly cost-saving to Canadian society.
Researchers at Mayo Clinic have discovered a 'two-faced' protein, p120 catenin, that promotes both tumor growth and metastasis in breast cancer. The protein acts like a tumor suppressor when bound to E-cadherin but becomes a tumor promoter when it's not.
Research reveals vitamin D's role in regulating colon cancer cell behavior by modulating gene expression and cytoskeleton structure. The study highlights a previously unknown pathway governing vitamin D's diverse effects on cancer cells.
Researchers are exploring new techniques to combat visual impairment and blindness by delivering drugs through the eye. Alternative methods such as microneedles, nanoparticles and polymer carriers are being investigated to improve drug delivery and reduce side effects.
Researchers found that HP1 proteins help cells fix damaged DNA by latching onto methylated histones. The study used mouse models to show that one missing version of the protein leads to genomic instability and brain defects.
Scientists at the University of New Hampshire have discovered a link between forest foliage nitrogen levels and canopy albedo, which could influence climate change predictions. The study suggests that trees with high foliar nitrogen have a two-fold effect on climate by absorbing more CO2 and reflecting more solar radiation.
A study found that women with a strong family history of breast cancer but without BRCA1 or BRCA2 mutations are at increased risk for developing the disease. These women had a four-fold higher risk than average, highlighting the importance of genetic testing and preventive measures.
Researchers have identified a key signaling pathway, Notch, that stimulates endothelial cells to form new blood vessels in wounds. This discovery has significant implications for treating chronic skin wounds in diabetic patients and those with morbid obesity.
A recent RAND Corporation study suggests that the US is still a vital security and economic partner in East Asia, with nations seeking to maintain ties with both the US and China. The study found that none of America's East Asian allies want to choose between the two, as they prioritize cooperation over competition.
Researchers found that episodes of dizziness in patients with Ménière's disease decrease over time. Surgery to drain fluid from the inner ear also appears to reduce vertigo in three-fourths of patients, according to a new study.
A recent study found that non-beverage alcohols, including medicinal tinctures and eau-de-colognes, are highly concentrated and cheaper than standard Russian vodka. Researchers believe these products pose a significant health risk to consumers, particularly those who rely on them as an affordable source of alcohol.
A randomized trial found that indigo naturalis ointment significantly improved scaling, erythema, and induration in patients with treatment-resistant psoriasis. After 12 weeks, the treated plaques showed an 81% improvement compared to a 26% improvement for non-medicated ointment-treated lesions.
Researchers at Ohio State University found that popular football helmet faceshields can withstand high-velocity impacts equivalent to a kick in the face. The shields maintained structural integrity and optical quality, providing protection without disrupting players' vision.
Researchers have uncovered structural features of the brain that may contribute to the development of ADHD. The study used a new analysis tool to examine shape differences in the brains of children with ADHD and found significant abnormalities in boys, but not girls.
Researchers at the University of Utah are enrolling patients in a clinical trial using their own bone marrow cells to regenerate heart muscle and improve blood flow. The study aims to improve heart function and quality of life for those with congestive heart failure.
A new microarray analysis technique improved prenatal diagnosis for detecting chromosomal abnormalities in 300 cases at Baylor College of Medicine. The test identified 58 copy number variations, including 15 significant findings that would have been missed otherwise.
A new forecasting method predicts a significant rise in demand for anti-malarial treatments due to the loss of effectiveness of current medications. The method aims to ensure an adequate supply of effective drugs by accurately predicting future demand, particularly in Africa where malaria affects millions.
A new study published in PLoS Biology found that ants specializing in specific jobs are not more efficient than 'generalist' ants, challenging the idea that job specialization contributes to their success. The research tested individual ants performing various tasks and found that specialists put in more hours of work but did not outpe...
A team of researchers argues that the success of ACT in curing malaria demands a new approach to assessing new antimalarial drugs. The authors discuss the design and interpretation of clinical trials for new antimalarial drugs, emphasizing the need for improved efficacy and public health utility.
A team led by Craig Pikaard discovered a new mechanism by which plant cells silence potentially harmful genes, involving the non-coding region of DNA and two plant-specific RNA polymerases. The research has major implications for gene therapy, where RNA-centric approaches show promise for controlling diseases such as cancer and HIV.
The paper 'CEVITATM: the valuation and reporting of strategic capabilities' by Janek Ratnatunga, Norman Gray, and Kashi R. Balachandran has been awarded the Management Accounting Section (MAS) Greatest Potential Impact on Practice Award for its potential to bridge the gap between academic research and professional management accounting...
A new study by UC Davis researchers suggests that drops in blood oxygen levels may contribute to sudden unexpected death in epilepsy (SUDEP) patients. Seizures in the temporal lobe and low oxygen levels during episodes are more common in males than females.
A new study published in Nature Geoscience reveals the devastating impact of increased nitrogen deposition on Slovakian soil acidity, compromising plant fertility and surface water quality. Researchers warn that many soils are already susceptible to this process due to decades of human-influenced pollution.
Researchers have created a new model to calculate how much CO2 can be stored safely in geological formations, with potential applications for large-scale carbon sequestration projects. The tool predicts the migration of CO2 plumes and can help policymakers make informed decisions about storage sites.
A recent study found that patients from higher-income and more educated communities are more likely to undergo immediate breast reconstruction after mastectomy. The research highlights the importance of community demographics in influencing access to this life-changing procedure.
A University of Alberta researcher has developed guidelines to prevent genetic research from awakening racist attitudes. The study emphasizes the importance of proper group representation and justifying research focus on specific ethnic groups.
A new study identifies a genetic pathway that determines the pattern of flower growth in tomato plants. The researchers found that manipulation of this pathway can turn a single stem into hundreds of branch-bearing shoots, increasing crop yields.
A longitudinal study of 540 adults found that approximately one third of Canadians with physician-diagnosed asthma do not have asthma when objectively tested. Obesity is linked to increased asthma rates in North America, but overdiagnosis may be more common than previously thought, particularly among obese adults.