By adding subsoil information to a sedimentation and erosion model, researchers at Delft University of Technology gained a clearer picture of how rivers and deltas develop over time. This new understanding can help with delta management and reservoir geology, particularly in finding oil reserves.
A new study by WWF scientists finds that tiger reserves in Asia can support over 10,000 wild tigers if managed as large-scale landscapes. The researchers believe that protecting core breeding sites and developing forest corridors can ensure tiger population growth.
Researchers at the University of Calgary have made a breakthrough discovery about how calcium channels regulate neuronal activity. The study reveals that a protein called beta subunit acts as a molecular switch to stabilize or remove calcium channels, controlling excitability in nerve cells.
A study using a 'fingerprinting' technique has identified the main sources of mercury in Bay Area fish, tracing it back to sediments and historic mining sites. The findings suggest that small fish acquire mercury from sediments and pass it along to larger fish, highlighting the need for targeted efforts to protect wildlife.
Researchers at the University of Arizona have created a sophisticated experimental setup to measure the interactions between single atoms and surfaces. The technique refines our understanding of the van-der-Waals force, which is crucial for chemistry, biology, and physics.
Researchers analyzed data on 45,000 CABG patients and found a decline in stroke occurrence over the past three decades. The study identified various risk factors associated with stroke after CABG, including older age, previous stroke, and certain surgical techniques.
Researchers found that the nematode C. elegans, a millimeter-long worm used extensively for decades to study biology, gets naturally occurring viral infections. The discovery means C. elegans is likely to help scientists study the way viruses and their hosts interact.
Hospitals with designated stroke centers in New York State have a significantly higher survival rate for patients with ischemic stroke, with a 15-20% increased likelihood of survival. Patients treated at these centers are also more likely to receive acute stroke therapy.
Physicists in Iran have created a spintronic device based on armchair graphene nanoribbons, which could revolutionize handheld electronics and drastically reduce manufacturing costs. The device has been shown to be an effective spin switch, with properties useful for magnetic random access memory.
Researchers have discovered a new method to fight bacterial infections associated with contact lenses, breaking apart molecular scaffolding that encases bacteria and reducing infection rates by 79.2%. The treatment has promising early results for treating microbial keratitis, cystic fibrosis, and severe burns.
Researchers found that N-acetylcysteine reduces the size and activity of von Willebrand factor multimers in human plasma and mice, offering a potential rapid treatment for patients with TTP. The study suggests that this approach could be effective in reducing complications associated with current treatments.
New materials could enable ultrapowerful microscopes, improved solar cells, and a possible cloak of invisibility. The breakthrough is made possible by overcoming two major limitations in metamaterials development: light absorption and precision tuning.
Researchers combined two proteins and a stress response protein to create a new TB vaccine strategy that provided stronger, more long-lasting protection than the current BCG vaccine. The study found that this multistage vaccine controlled reactivation of latent infection and reduced Mtb levels in the lungs more effectively.
The development of core outcome sets for clinical trials requires patient input to ensure relevant outcomes are measured. The study emphasizes the importance of involving patients and clinicians in the process, while minimizing participant attrition.
The study found that an area of the brain responsible for holding abstract working memory can also hold auditory information. This discovery may help scientists better understand and treat conditions such as learning disabilities, autism, and schizophrenia.
A study by Ben-Gurion University researchers found that workers with occupational-related hearing loss experienced impaired sleep quality, including insomnia and excessive daytime sleepiness. The study also discovered a significant correlation between tinnitus symptoms and sleep disruptions in workers exposed to harmful noise.
A study published in World Journal of Gastroenterology found that hemolysis leads to decreased intestinal microcirculatory blood flow, causing intestinal damage. Elevated circulating cell-free oxyhemoglobin levels resulted in a strong correlation with intestinal injury.
Scientists have made a breakthrough in developing a vaccine to protect against plague and bacterial pneumonias. The new discovery involves the stimulation of Th1-17 cells, which provide partial protection against pneumonic plague.
The American Society for Radiation Oncology's new journal, Practical Radiation Oncology (PRO), has published its inaugural issue. PRO will provide a forum for radiation oncologists to share information on current practices and advancements in the field. The journal aims to improve the quality of radiation oncology practice through disc...
Scientists developed a mathematical model to describe interactions within ecological food webs, illustrating how human intervention can aid species conservation. The study found that over 70% of extinctions are preventable by balancing the system with available resources.
Researchers Joanna Masel and Etienne Rajon found that tiny populations evolve global solutions to prevent errors, while large populations rely on local solutions to tolerate mistakes. This discovery reveals the importance of 'cryptic variation' in natural selection, allowing organisms to adapt to new challenges.
NASA's Aqua satellite captured visible and infrared images of Cyclone Wilma, revealing a clearly visible eye. The storm had strengthened overnight and showed strong convection around its center.
Researchers at the University of Gothenburg have used DNA technology to describe and register a new species of ribbon worm. The development of this method could lead to faster and more efficient species registration, with potential benefits for understanding biological diversity.
A study found that couples with matching language styles, including function words, were more likely to want future contact and stay together. The research used computer programs to analyze conversations and online chats between dating couples.
Researchers found that N-acetylcysteine can decrease the size of von Willebrand factor multimers in mice, potentially treating life-threatening blood disorder thrombotic thrombocytopenic purpura (TTP). However, chronic use of drugs targeting Notch1 raises concerns due to its link to vascular tumors and lethal hemorrhage in mice.
A recent study found that exposure to traffic noise increases the risk of stroke, especially in individuals aged 65 and over. The researchers discovered a significant association between road traffic noise and stroke risk, with an estimated 8% of all stroke cases potentially attributed to traffic noise.
A team of UCLA researchers has developed a chemically defined culture medium that supports the long-term quality and maintenance of human embryonic stem cells. The new medium, using a feedback system control scheme, eliminates the need for animal products and enables routine single-cell passaging.
Patients with hydrocephalus and white matter changes who underwent shunt operations showed significant improvements in mental function and walking ability. The study's findings provide conclusive evidence for the effectiveness of shunt surgery in treating this condition.
23andMe has completed its Independent Sarcoma Scientific Advisory Committee, comprising leading researchers and clinicians, to advance understanding of sarcomas. The company aims to combine genetic data with patient-reported outcomes to find patterns in sarcoma biology and treatment response.
Researchers used soap films to solve variational mathematical problems, which are crucial in physics, by finding the shape that minimises elastic energy. This innovative procedure was applied to classic problems like the brachistochrone curve and catenary, offering a fun and educative approach.
A new study found that implementing provider-based recall for immunizations is challenging due to lack of awareness and perceived difficulties. However, strategies such as dedicated staff and recalling children under two years old can facilitate recall initiation. The study suggests alternative approaches like population-based recall m...
Research identifies miR-143 and miR-145 as downregulated biomarkers in esophageal squamous cell carcinoma, showing anti-oncogenic activity. These findings suggest that microRNAs may serve as useful biomarkers for early detection and therapeutic targets.
The MalERA initiative outlines priority research areas for eight thematic areas, including basic science and enabling technologies; drugs; vaccines; vector control; health systems; and more. The collection identifies common research priorities across themes, providing a roadmap for malaria eradication.
A study published in PLOS Medicine found that only a third of births in rural Zambia occurred at a health facility, with half of mothers living over 25 km from basic emergency obstetric care. The level of care at the facility significantly influenced the odds of facility delivery.
Researchers have developed a new method to improve the thermoelectric performance of p-type half-Heusler, a common bulk semiconductor compound, using nanotechnology. The approach resulted in a significant increase in the figure of merit, paving the way for cleaner energy products such as car exhaust systems and power plants.
A new study suggests that converting to clean, renewable energy sources is technologically and economically feasible within 20-40 years. The plan involves using wind, water, and solar power to generate electricity, with a focus on combining these sources to overcome variability challenges.
Researchers at North Carolina State University have developed a new technique to reduce defects in gallium nitride (GaN) films used in LED lighting, increasing efficiency by a factor of two. The technique involves embedding voids in the film, which traps defects and prevents them from traveling through the material.
The SRNL filter design uses a patented rotary microfilter to separate solid material from radioactive liquid waste, reducing costs and infrastructure for high-level waste disposal. The adapted system is now being tested at the Hanford Site and made available for other potential users.
Researchers have created a new method for rapidly producing protein-polymers using overlap-extension rolling circle amplification. This technique allows for the synthesis of large libraries of proteins with subtle differences, which can be used to rapidly screen new combinations and develop new classes of protein-based polymers.
A workplace's key employees may be at greatest risk of experiencing high levels of work stress. Workers who feel responsible for poor job performance or think it could negatively affect others are twice as likely to report high stress.
Researchers at Northwestern University have found that piezoelectricity in GaN and ZnO nanowires increases by two orders of magnitude as the diameter decreases. This could lead to more efficient energy harvesting devices.
The Electronic Mass Casualty Assessment and Planning Scenarios (EMCAPS) software provides first responders with realistic casualty figures for catastrophic events. The program allows users to customize scenarios and estimate the number of likely casualties based on variables such as population density.
A study found that patients with ischemic stroke admitted to designated stroke centers had a lower risk of death at 30 days compared to those admitted to non-designated hospitals. The mortality rate was reduced by 2.5% in patients treated at stroke centers.
Research published in BMC Microbiology suggests that insects on pig farms can carry and transmit antibiotic-resistant bacteria to humans. The study found high prevalence of resistant Enterococcus faecalis and faecium in insect intestines, mirroring those found in pigs' feces.
A culture of safety is crucial for reducing the chances of medical errors in radiation therapy, according to an article in Practical Radiation Oncology. By implementing principles such as automation, standardization, and checklists, teams can minimize risks and improve patient safety.
A $3.25 million federal grant will enhance services for over 1,200 children and families in Missouri, focusing on physical, emotional, social, cognitive, and behavioral development. The LAUNCH project aims to create a coordinated support system to help children thrive in safe environments.
A study by Washington University School of Medicine raised safety concerns about targeting the Notch1 signaling pathway in cancer treatment. The research found that mice developed vascular tumors, massive hemorrhages, and died after chronic disruption of the Notch1 signal, highlighting the potential risks of anti-Notch therapies.
The MSD Wellcome Trust Hilleman Laboratories is conducting a feasibility study to develop a rotavirus vaccine designed specifically for developing country needs. The project aims to improve product stability, ease of use, transportation, and affordability.
Researchers are developing a new method to identify cell abnormalities, including cancer, by analyzing the shape and behavior of individual cells. They have created mathematical equations that describe cell appearance and motion, which could be used to gauge future stages of a disease.
Researchers found that weaver bird chicks change the length and pitch of their begging calls as they get hungrier, making it harder for parents to distinguish them from others. This unique call pattern enables parents to accurately gauge their chick's hunger levels.
Researchers found that vaccination can provide approximately 76% protective efficacy against cholera, and modeling suggests delayed responses can still have a benefit. The use of oral cholera vaccines during outbreaks is being reevaluated due to the changing nature of Vibrio cholerae.
NASA's Aqua satellite captured an infrared image of Tropical Storm 10S, showing very cold clouds and powerful thunderstorms over the Southern Indian Ocean. The storm quickly strengthened into a tropical storm and affects Western Australia's northern coast.
Researchers at Purdue University have developed a technique to create microfluidic devices on paper strips, enabling more complex chemical assays and applications in medicine and research. The approach uses a laser to modify paper with patterns, allowing for the detection of specific chemicals and biological molecules.
Researchers at Kyoto University have developed a porous framework that can capture common air pollutants and emit glowing colors when exposed to ultraviolet light. This breakthrough enables the creation of portable, solid-state pollution detectors with potential applications in medicine, pharmaceuticals, and industry.
A study published in The Lancet Infectious Diseases found that malaria protection methods for pregnant women in sub-Saharan Africa are underutilized. Despite WHO policy, estimated coverage of intermittent preventive treatment (IPTp) is only 25% and insecticide-treated nets (ITNs) are used by just 17% of pregnant women at risk.
A sub-population of Listeria monocytogenes displays enhanced cardiac tissue infectability, increasing the risk of serious cardiac disease. Diagnostic tests based on bacterial genetic markers could protect vulnerable groups.
The February issue of Geology explores Patagonian glaciations, the Younger Dryas cold period, and ancient megalakes in Australia. The study provides new insights into the Rio Grande Rift's seismic activity to gain insights into past climate changes.
Researchers developed a method to generate spin current in graphene using ferromagnetic proximity effect and adiabatic quantum pumping. This breakthrough could lead to faster and more versatile electronics, replacing traditional devices one day.
Researchers discover naturally occurring viral infections in C. elegans, a millimeter-long worm used extensively for decades to study many aspects of biology. The findings provide insights into the way viruses and their hosts interact, shedding light on fundamental phenomena such as RNA interference and cell self-destruction.
Caterpillars that use defence mechanisms to repel predators produce significantly fewer eggs than their non-defensive counterparts. Research found that these insects grow slower and are smaller when defending themselves.
In sub-Saharan Africa, an estimated 32 million pregnant women are at risk of malaria every year. Despite national policies to reduce and control malaria during pregnancy, coverage rates of two key interventions, insecticide-treated nets and intermittent preventive treatment, remain inadequate.
Researchers found that adding caffeine to lentiviral production protocols increases virus production by 3-8 times. This simple and inexpensive strategy may significantly decrease the cost of lentiviral production for research and clinical uses.
A climate tax on meat and milk consumption could reduce greenhouse gas emissions from European agriculture by up to seven percent. Land made available for bioenergy production offers a six-time greater decrease in emissions.
A new study published in BMJ found that Pay-for-Performance does not offer benefits to patients with hypertension, despite significant administrative costs. The research analyzed data from over 500,000 patients and found no impact on stroke, heart attacks, or mortality rates.
A rogue weather system triggered flooding in Pakistan by pouring heavy rain on the barren mountainsides, which then ran into the Indus River. The World Health Organization estimated that as many as 10 million people had to drink unsafe water, causing structural damage of over $4 billion.
Women experiencing hot flushes and menopausal symptoms may have a 50 percent lower risk of developing invasive ductal and invasive lobular carcinoma. The protective effect increases with the number and severity of symptoms.
Researchers found that coral larvae with redder fluorescence are less likely to settle into polyps, while greener larvae tend to disperse. This discovery could help monitor corals' adaptation to global warming.
Researchers found two new sanitizers to be more effective at removing bacteria from restaurant dishes than traditional methods, containing fewer toxic chemicals. The sanitizers, PROSAN and neutral electrolyzed oxidizing water, were tested on various types of dishware and showed a significant reduction in bacterial load.
Researchers have demonstrated a solar cell that responds to virtually the entire solar spectrum and can be manufactured using one of the semiconductor industry's most common methods. The new design promises highly efficient solar cells with practical production costs.
A retrospective study found that acute diverticulitis in younger patients (less severe disease, but higher recurrence rate) suggests that same guidelines for treatment should be applied to both age groups. The clinical course of uncomplicated acute diverticulitis is similar between older and younger patients.
A study published in JAMA reveals that chromosome changes disrupt a molecular network influencing CLL outcome, providing new targets for treatment. Patients with 13q deletion generally have better prognosis than those with 11q or 17p deletions.
A new study suggests that Asian tiger reserves can support over 10,000 wild tigers if managed as large-scale landscapes with connected core breeding sites. This strategy is crucial to doubling the tiger population by 2022, but it requires a global effort and proper design of infrastructure projects.
Two studies found that ITPA variants protect against treatment-related anemia in HCV patients, enabling safer use of antiviral therapy and reducing the need for erythropoietin treatment. The variants also help select patients who may tolerate higher doses of ribavirin, increasing the likelihood of viral clearance.
Research found that low-dose aspirin decreases small bowel blood flow, correlating with mucosal injury. Rebamipide does not decrease small bowel blood flow, suggesting a potential therapeutic strategy for aspirin-induced damage.
A study published in Hepatology found that HIV-infected patients with liver cancer have a higher risk of dropping off the transplantation wait list compared to HIV-negative patients. Despite this, overall survival and recurrence-free survival rates are not significantly affected following liver transplantation.
Research on foregut duplication cysts of the stomach reveals two cases with a pseudostratified respiratory epithelium, suggesting an origin from the respiratory diverticulum. This study's findings could lead to early diagnosis or prevention by better understanding the embryogenesis of these lesions.
A study published in the World Journal of Gastroenterology investigated the seroprevalence of Hepatitis A virus (HAV) antibodies among patients with chronic viral liver disease in South Korea. The study found that most patients above 40 years old have already been exposed to HAV, highlighting the need for vaccination against HAV.