A British scientific expedition has discovered the world's deepest undersea volcanic vents, 5000 meters deep in the Caribbean. The team used advanced underwater technology to film and survey the seafloor, revealing slender spires of copper and iron ores erupting with superheated water.
Researchers propose using wireless nano sensors to monitor structures for early crack detection and structural damage. The feasibility study suggests these sensors could improve safety by detecting problems before they become critical.
A new simulation software called SportEvac is being developed to help stadiums evacuate large crowds quickly and safely. The software uses 3D virtual models of stadiums and simulates the behavior of thousands of people and cars in various scenarios.
Researchers discovered that transcription factor binding sites are not conserved across 300 million years of evolution. Despite this, these proteins still regulate liver-specific genes in vertebrates. This study highlights the plasticity of gene regulation and its implications for disease mechanisms.
Critically ill patients experience reduced muscle weakness, delirium and hallucinations when introduced to mild exercise programs, with recovery times speeding up by 2-3 days. Patients can exercise while attached to life support equipment, including mechanical ventilators.
A leading hospitalist argues that hospital medicine can address fundamental problems in payment and delivery systems, improving access for millions of uninsured Americans. Hospitalists will be key in shaping the future of the American healthcare system, focusing on quality, safety, and efficiency.
Scientists uncover clues to unlocking the origin and triggering mechanism of massive underwater volcanic eruptions, shedding light on Earth's geologic record. The study of Shatsky Rise, a 145 million-year-old supervolcano, provides insights into the processes of volcanism and plate tectonics.
Scientists developed a modern intelligent drug that inhibits platelet activity at cool temperatures, preventing blood clots during therapeutic hypothermia. The new drug loses its function when the body is rewarmed, minimizing bleeding problems.
A new study reveals that developing countries are increasing their own health spending, but international aid is sometimes replacing this funding in low-income countries. Channelling aid through NGOs can actually increase government health spending, highlighting the need for better transparency and accountability.
Research from Kansas State University found that businesses can create different marketing approaches for various groups based on the type of relationship they seek with customers. Online retailers should focus on enhancing trustworthiness through measures like Better Business Bureau association and secure data protection.
The US Department of Homeland Security is developing portable water purification systems to address the global issue of dirty water, which claims over a million lives annually. Several companies are participating in the SECURE program, creating self-contained and self-powered systems that can be used in emergency situations.
A new study found that developing countries spend more on healthcare than they receive in foreign aid, with sub-Saharan Africa being an exception. The researchers recommend improving transparency and accountability in financial reporting to strengthen the effectiveness of health aid systems.
Researchers at the University of Texas M. D. Anderson Cancer Center have developed a new way to predict prognosis in pediatric leukemia patients using a common complete blood count test. The study found that combining the minimal residual disease indicator and absolute lymphocyte count provides better results than MRD alone, identifyin...
A recent international study on osteoporosis in women has found that most postmenopausal women are not aware of their actual risk of debilitating bone breaks. The study, which involved over 60,000 women aged 55 and older in 10 countries, highlights the need for public education about osteoporosis risk factors and treatment.
A study found that nearly one in ten primary care physicians experience conflicts with religious hospitals, with younger and less religious physicians more likely to face these issues. Most physicians feel they should refer patients to another institution if clinical judgment conflicts with hospital policy.
A study published in BMC Biology found that male fallow deer vocalizations contain accurate information about their competitive abilities, which change dynamically with age. The researchers also discovered that the deer's vocal identity changes substantially from one year to the next.
The discovery of Australopithecus sediba, a 1.9 million-year-old human ancestor, has shed new light on human evolution. The fossilized remains, found in South Africa, exhibit features of both earlier bipedal apes and more recent Homo species.
Researchers developed a new endoscopic technique, the over-the-scope-clip (OTSC), to close chronic gastrointestinal perforations. The study successfully closed two gastro-cutaneous fistulas and suggests OTSC as a least invasive method for closing small fistulas or leaks.
A new initiative called Cell-All aims to equip cell phones with sensors capable of detecting deadly chemicals. The technology uses a chip costing less than a dollar and can alert the user and authorities in under 60 seconds, reducing false positives and improving response time.
Research published in World Journal of Gastroenterology found that fermented milk with Streptococcus thermophilus CRL 1190 exhibited therapeutic effects on chronic gastritis, particularly by modulating the immune response and increasing the thickness of the gastric mucus gel layer. This natural alternative may offer a potential treatme...
A new study found that stress can aggravate the impact of prior streptococcal infection on symptoms of Tourette syndrome and obsessive-compulsive disorder. The researchers identified a link between psychosocial stress and worsening tic and obsessive-compulsive symptom severity in children with Tourette syndrome and OCD.
A team of researchers from the University of Arizona revisited evidence pointing to a cataclysmic event that wiped out North American megafauna, including mammoths and Dire wolves. The study found no conclusive link between an extraterrestrial impact and the extinction of these species.
A new Europe-wide strategy for preventing type 2 diabetes has been developed, recommending lifestyle changes such as weight loss and increased physical activity to prevent the disease. The guidelines aim to halve the incidence of type 2 diabetes by implementing evidence-based prevention programs across European countries.
A study published in World Journal of Gastroenterology reports successful endoscopic resection of a large ileal lipoma using the modified endoscopic submucosal dissection (ESD) technique. The procedure, combined with endoscopic unroofing, allowed for complete removal of the lesion without complications.
A study comparing preoperative and postoperative chemoradiotherapy to surgery alone in patients with resectable esophageal squamous cell carcinoma found significant differences in overall survival and progression-free survival. Perioperative chemoradiotherapy maximizes long-term survival, but increases toxicity.
Scientists argue that a 'Global Fund for Health' would improve transparency and efficiency in international health aid. The current system masks variances, making it difficult to accurately trace health funding.
DISH is a common but often unrecognized systemic disorder that can lead to mechanical esophageal dysphagia in older adults. A recent study concludes that DISH should be considered an important cause of dysphagia among older adults, although it should not be accepted as the sole cause without ruling out other possible causes.
Research found a significant association between high LRP16 expression and early disease progression or death in patients with colorectal cancer. The study suggests that LRP16 expression may serve as a molecular marker for predicting prognosis.
The 'crowding out' effect occurs when governments use health aid to partly replace domestic health budgets, rather than supplement them. Possible reasons include reallocating funding to different sectors, stalling increases in recurrent health expenditure, or spreading spending over several years.
The Southwest Oncology Group's operating grants have been renewed for six years, with a total expected to exceed $120 million over the period. The renewal supports comparative effectiveness research and will primarily fund member institutions nationwide.
Scientists have uncovered key rules governing ferritin's self-assembling nanostructure, enabling potential breakthroughs in drug development and nanotechnology. The study may lead to creating biological nanostructures with precise dimensions for various applications.
ARS scientists have developed a method to access and ferment almost all plant sugars in wheat straw, boosting ethanol output by 93 gallons per ton. However, they also found that certain bacteria can infect ethanol plants, causing yield decreases of up to 27%.
Indiana University chemists have developed an unusual solution to create large, stable graphene sheets by attaching a 3D bramble patch to each side. This allows for the creation of uniform-sized graphene sheets that can efficiently absorb sunlight, paving the way for cheaper and more sustainable solar cells.
The study reveals that brain regions involved in empathy, such as the prefrontal cortex, overlap with those regulating aggression and violence. This suggests that promoting empathy may inhibit violent behavior by stimulating opposing neural circuits.
An international team of scientists has described a new fossil find and the new species Australopithecus sediba, thought to be at least 2 million years old. The fossils are exceptionally well preserved, revealing unique insight into the period when the earliest members of the genus Homo evolved.
A new empirical model has been developed to quantify and gauge an alcohol addict's level of engagement in Alcoholics Anonymous (AA)-related helping. The study found that both concrete acts of service and personal sharing are important in living sober, with adequate psychometric properties of the SOS tool.
A joint initiative of six European research institutes aims to develop a worldwide database called RoboEarth, where robots can share their experiences and adapt to new surroundings. This will enable robots to perform tasks more quickly and efficiently in healthcare and industry settings.
A team of scientists, including Indiana University's Kristian J. Carlson, announces the discovery of a new species of early man, Australopithecus sediba, which shares attributes with Homo but also retains some characteristics of earlier ancestors like Australopithecus africanus.
A team led by Dr. Lee Berger and Darryl de Ruiter of Texas A&M University discovered two well-preserved skeletons in South Africa, believed to be between 1.78 and 1.95 million years old. The fossils are thought to be a direct ancestor of Homo, with human-like skulls but smaller bodies.
A newly discovered hominid species, Australopithecus sediba, has revealed a bone structure similar to the earliest Homo species but employed it more like Australopithecus. The fossils, dated between 1.95 and 1.78 million years old, provide a wealth of information about human origins.
A landmark study found that obstructive sleep apnea more than doubles the risk of stroke in men, with moderate to severe sleep apnea nearly tripling this risk. The study also reports a significant link between sleep apnea and increased stroke risk in women, particularly those with severe levels of sleep apnea.
Researchers discovered a peptide called iRGD that co-administers drugs to tumors, increasing treatment efficacy and reducing side effects. The peptide has been shown to enhance the therapeutic effect of anti-cancer drugs without creating new chemical entities.
LA BioMed will receive a $9.7 million grant from the National Institutes of Health to construct a new research center focused on chronic diseases such as COPD, cardiac disease, and HIV/AIDS. The center is expected to create up to 190 new jobs and enhance clinical research activities.
A cache of cuneiform tablets from the early 7th century BCE contains a largely intact Assyrian treaty that records a covenant between Esarhaddon and a secondary ruler. The treaty was confirmed at elaborate ceremonies in Nimrud, securing Ashurbanipal's accession to the throne and avoiding a political crisis.
Researchers developed a nanovaccine to stop aggressive immune attack on beta cells, restoring normal blood sugar levels in humanized mouse models. The treatment targeted specific immune cells without compromising the rest of the immune system.
A Tel Aviv University study found that happy marriages are associated with lower risk of fatal strokes in men. Single men have a 64% higher risk of stroke compared to married men, while unhappy unions also increase the risk by 64%. The research suggests that a bad marriage may be as detrimental to health as not being married at all.
Researchers at McMaster University have discovered a new mechanism by which HIV infects women, exploiting the breakdown of the mucosal barrier in the intestinal and female genital tract. This breakthrough understanding could lead to the development of more effective prevention strategies, such as microbicides and vaccines.
Researchers found that nicotine withdrawal syndrome is more common in agitated smokers than non-smokers, increasing risks of accidental tube removals. The study highlights the need for improved strategies to prevent agitation or treat it earlier in critically ill patients.
Surface ozone levels in southwestern Spain consistently exceed recommended limits, affecting human and plant health. The study found daily cycles of high ozone levels during spring and summer months, with concentrations varying between stations.
The new field guide highlights complex interconnections between geologic features, including karstification and hydrology, in the Ozark region. It also examines connections to culture, history, and economic development of the area.
A new method for measuring privacy risk from small geographic areas has been developed, allowing Canadians to manage their location-based data effectively. The study shows that by protecting only those living in small geographic areas, more information can be shared while maintaining privacy risks.
Researchers at Whitehead Institute have created novel mouse models that accurately reflect the immune system's response to pathogens. The models use somatic cell nuclear transfer (SCNT) to create mice from single T cells primed for toxoplasmosis, allowing for a more precise study of the immune system.
Researchers found that most H5N1 outbreaks occurred at sites with temperatures between 0°C and 2°C, where wild waterbirds congregated along freezing fronts. This congregation created ideal conditions for the transmission of the virus within and between species.
Researchers investigate stem cells and adult tissue in the kidney, suggesting a possible mechanism for regeneration. The study suggests that ACE inhibitors may be used to aid repair and regeneration of injured kidney tissue.
A new accelerated radiotherapy regimen has been shown to improve disease-free survival and locoregional control without increasing late radiation side-effects in patients with head and neck cancer. The six-fraction per week schedule reduces treatment time while maintaining effective tumour control.
A new study suggests that people with migraines may struggle to filter out visual noise, even when they don't have a headache. Migraineurs performed significantly worse in identifying visual targets than those without migraines when visual distractions were added.
Researchers at UCLA developed a non-invasive biomarker to detect changes in brain function that may indicate worsening mood or suicidal thoughts. The test, using QEEG measurements, shows a sharp drop in brain activity within 48 hours of antidepressant medication start.
Researchers found that oxytocin improved emotion recognition in adolescents with autism spectrum disorders. The study suggests potential for earlier intervention and improved social function in everyday settings.
Researchers found that fragile X protein (FMRP) regulates adult neurogenesis, a process crucial for learning and memory. FMRP dysregulation leads to defective neural maturation and reduced new neurons, contributing to learning disabilities associated with fragile X syndrome.
Researchers at Argonne National Laboratory have identified a new class of silver-based catalysts for producing propylene oxide with few by-products at low temperatures. The study uses nanoscale clusters of silver to achieve high selectivity and efficiency in the production process.