Researchers discovered a significant drop in CO2 levels at the end of the Ordovician Period, preceding an ice age and mass extinction. This finding can help climatologists predict future environmental changes by understanding past carbon cycles.
Researchers are working on a multi-year project to help end Internet trickery by verifying true network owners and legitimate traffic paths. The team will deploy new protocols such as RPKI, updating router software and adding servers to the routing infrastructure.
A University of Copenhagen study reveals that an immune gene, Interferon-beta, may prevent Parkinson's disease and dementia. IFNβ-gene therapy successfully prevented neuronal death in experimental models.
Scientists have calculated precise measurements of heritability in nine childhood-onset autoimmune diseases, such as type 1 diabetes and juvenile idiopathic arthritis. The research strengthens a child's risk prediction for associated autoimmune diseases, potentially informing personalized therapies.
Scripps Health cardiology experts will share leading-edge techniques for improving heart care during the annual Transcatheter Cardiovascular Therapeutics (TCT) symposium. Matthew Price, M.D., will present on the WATCHMAN left atrial appendage closure device, an alternative to blood thinners for stroke prevention.
Researchers have discovered three immune system biomarkers - PD-1, Tim-3 and Lag-3 - that can predict when the HIV virus will rebound after treatment interruption. These biomarkers are associated with 'exhausted' T-cells prior to patients commencing ART.
All seven species of marine turtles can ingest or become entangled in discarded plastic debris, posing serious threats to their health and survival. The study highlights the urgent need for further research to understand the scale of the problem and develop effective mitigation policies.
A survey of 282 adolescents aged 12-18 found that most prefer to know secondary genetic findings, even if not medically actionable until adulthood. The main reasons cited were future planning and reducing anxiety, with some respondents expressing concern about introducing stress in their family.
Researchers discovered that approximately 70% of different antibiotic sequences lead to resistance, highlighting the importance of careful ordering. The approach may help prevent antibiotic-resistant bacteria and could be tested in laboratory trials.
The remnants of Ex-Typhoon Choi-wan continued to generate rainy and windy weather over southeastern Russia as revealed by NASA's infrared satellite image. Cloud top temperatures near -36F/-38.1C were detected in the region, indicating strong uplift and stronger storm behavior.
The Regenstrief tEMR system offers a unique learning environment for medical students, allowing them to practice patient care in a simulated setting. The system uses anonymized patient data to train students on how to navigate electronic medical records and make clinical decisions.
A recent study found that over half of eligible Americans visiting a travel clinic did not receive the recommended measles vaccine, putting them at risk for infection. Vaccination is also essential for preventing hepatitis A outbreaks in areas with inadequate sanitation, such as Mexico's Tulum resort destination.
A new antiviral compound, GS-5734, has shown 100% survival rate and significant reduction in viral load in infected rhesus monkeys. The compound's ability to block the virus's replication process suggests its potential as a treatment for Ebola virus disease.
Researchers at University of Chicago and Pennsylvania State University have discovered a method to 'paint' quantum electronic circuits using beams of light, allowing for rewritable devices without nanofabrication. This breakthrough enables faster and easier experimentation with fragile quantum materials.
Researchers reconstructed population history of New York City using genetic data, ancestry information, and electronic health records. They identified hidden patterns of relatedness among Puerto Rican residents with Steel syndrome, a genetic condition characterized by short height and spinal issues.
A large study found that exercise and stopping smoking had the strongest association with improved depression after a heart attack. Patients who quit smoking had a 2.3 greater chance of improving their depression, while those who were already physically active at the beginning of the study were more likely to improve their symptoms.
Researchers at the Walter and Eliza Hall Institute have created a 3D image of cancer protein Trib1, revealing its role in controlling protein levels within cells. The finding could lead to the development of new drugs to treat cancers such as leukemia.
A new study presents a method using GIS and National Geothermal Data System data to evaluate regions for geothermal energy exploration. The Denver-Julesberg Basin is identified as the highest capacity for large-scale, economically feasible geothermal power production.
A rare tropical depression has formed exactly between Baja California and Hawaii, with NASA detecting its formation using NOAA's GOES-West satellite. The system is moving westward at 14 mph and is expected to strengthen into a hurricane by Sunday, October 11.
By analyzing the types of gut bacteria present around colorectal tumors, researchers found a correlation between microbiome composition and mutations in tumor cells. The study developed a method to predict mutation types based on microbiome analysis, which correctly identified about half of the most common mutations.
A University of Southampton study suggests that an abrupt collapse of the Atlantic meridional overturning circulation (AMOC) could lead to cooling, rather than warming, for a period of 20 years. Global warming would continue after this initial cooling, with a globally averaged temperature offset of about 0.8°C.
A UCLA study analyzed over 6 million scholarly publications in biomedicine and chemistry, finding that most researchers prioritize established knowledge over innovative questions. This 'publish or perish' pressure leads to a tradeoff between traditional productivity and riskier innovation.
Researchers designed a new tool called Sunlight to bring transparency to the Web, analyzing numerous inputs and outputs together to form hypotheses about personal data use effects. The study found that sensitive information was used to target ads and recommendations, violating companies' advertising policies.
The Horn of Africa is becoming increasingly arid due to global warming, threatening the region's agriculture and exacerbating tensions. Researchers have found a 2,000-year trend of drying in the region, which contradicts predictions that it will become wetter.
Research found that carbohydrate-binding protein Gal-1 modified infection in heart muscle cells, highlighting its importance in response to parasite infection. Galectins, like Gal-1, play a role in regulating parasite interactions and may recognize glycans on the host cell surface used for invasion.
Researchers analyzed Yellow River sediment to reconstruct global climate and topography history. They found that the Loess Plateau acts as a sink for Yellow River material eroded from the Tibetan plateau, contradicting previous expectations.
Researchers identified salicylic acid as a powerful inhibitor of HMGB1, a protein linked to various diseases. The findings may lead to the development of more effective aspirin-like drugs.
Research at Sahlgrenska Academy found that antioxidants double the rate of metastasis in malignant melanoma, a type of skin cancer. The study's findings contradict previous assumptions that antioxidants protect against cancer and suggest patients with cancer or an elevated risk should avoid nutritional supplements containing antioxidants.
Scientists at ETH Zurich have developed a genetically modified cassava variety that produces several-fold higher levels of vitamin B6, addressing the widespread deficiency in Africa. The new trait is stable under different conditions and has been confirmed to be bioavailable for human consumption.
Scientists at the University of Basel create membrane gates made from chemically modified membrane protein OmpF, responding to changes in pH values. The gates open only when exposed to acidic environments, releasing active agents at targeted locations such as diseased tissue.
Scientists at Penn State and University of Chicago discovered a new way to use light to draw and erase quantum-mechanical circuits on topological insulators, allowing for non-invasive and faster experimentation. The technique uses ultraviolet and bright red light to manipulate the electronic properties of these materials.
Researchers have developed a method to use nanoscale diamonds to identify cancerous tumours before they become life-threatening. The technique involves attaching hyperpolarised diamonds to molecules targeting cancers, allowing for the tracking of these molecules' movement in the body.
A new University of Stirling study has uncovered the secrets of 'pollen thief' bees, which take pollen from flowers without providing pollination services. The research found that these smaller bees often stay longer at each flower and visit fewer flowers in each run, contributing little to seed production.
A study finds that infections are a common cause of falls among older adults, with urinary tract, bloodstream, and respiratory infections being the most prevalent. The findings suggest that healthcare providers should consider infection as a potential cause of falls in patients, particularly in those with dementia.
Researchers found that patients whose genomes were sequenced incurred a cost of $719 in follow-up tests and care over the following year, compared to $430 for standard treatment. The study suggests that genome sequencing may offset future costs through prevention or early treatment, but further analysis is needed.
A study from the Gladstone Institutes reveals that a single drop of blood in the brain can trigger an autoimmune response akin to multiple sclerosis. Fibrinogen, a blood-clotting factor, activates microglia and recruits peripheral immune cells, causing myelin damage and inflammation.
The remnants of former Hurricane Oho are bringing strong southeasterly winds, damaging gusts, and heavy rain to western Canada and Washington state. Weather alerts have been issued for areas such as British Columbia, Haida Gwaii, and western Washington.
A new study published in Health Services Research found that Magnet hospitals have higher patient ratings of care than non-Magnet hospitals. Nursing excellence is key to achieving good hospital ratings from patients, according to the study led by Dr. Amy Witkoski-Stimpfel at NYU College of Nursing.
The American Geriatrics Society released its second updated Beers Criteria, which identifies over 40 potentially problematic medications for older adults. The guidelines also provide alternative therapies and guidance on best practices for implementing recommendations.
A study from Massachusetts General Hospital for Children found significant discrepancies between pediatric residents and their supervising physicians regarding after-hours situations that require immediate consultation. The researchers suggest balancing autonomy with supervision to ensure safe patient care.
Researchers identified a common genetic variant associated with aneuploidy, a condition causing chromosome gains and losses during embryonic development. The variant was found to be strongly linked to early pregnancy loss and IVF treatment failure.
A new app will automatically create a mobile-friendly website where one does not exist, saving time and frustration. Using deep web mining, the app taps into databases behind websites to provide seamless access.
A Pitt research team will study nearly 10,000 children from ages 9-10 to investigate the effects of marijuana, alcohol, and other substances on developing brains. The study aims to understand predictors of substance use and its consequences.
Low-income students who change schools frequently struggle with math skills and behavioral management. Research found that frequent school transitions lead to lower math achievement, even after controlling for preschool cognitive skills.
A new study found that patients' recollections of their last colonoscopy are variable, with many unable to recall key details such as the date of their procedure or the presence and number of polyps. The study suggests that doctors can contribute to these issues by not repeating crucial information to patients.
Researchers at Toyohashi University of Technology have developed a new method to measure the kQ product in real-time, allowing for highly efficient wireless power-transfer systems. This system improves design speeds, facilitates quick discovery of structures and dimensions, and enables rapid optimization of transmission frequencies.
The NIH and Canadian partners are investing $20.9 million to establish seven regional research centers addressing environmental and occupational health issues. These hubs aim to develop capacity, conduct research, and inform policy changes to improve health in low- and middle-income countries.
Researchers at Georgia Institute of Technology found that upper limb amputees who learned from fellow amputees using a similar prosthetic device showed significant improvement in motor skills and brain activity. The study suggests that people are better equipped to adapt when learning from someone with similar physical characteristics.
A $3.5 million grant will fund a five-year study to evaluate the efficacy of virtual world and classroom groups in teaching diabetes self-management skills to minority women with type 2 diabetes. The study aims to increase physical activity levels and measure technological development milestones.
A new study reveals that FUS proteins do not assume a regular shape but instead form dynamic droplets with RNA, which are crucial for organizing genetic material. This finding challenges the assumption that preventing FUS-related diseases like ALS and cancer can be achieved by targeting its static forms.
Invasive Salmonella infections are a major cause of child illness and deaths in sub-Saharan Africa, with 3.4 million illnesses and 681,000 deaths worldwide in 2010, according to new research.
A proposed technique from physics can help remove experimenter bias in social science research, improving confidence in published studies. Researchers suggest using blind analysis to prevent confirmation biases and ensure more accurate conclusions.
A bio-inspired robotic finger developed by Florida Atlantic University's Erik Engeberg has been shown to mimic human motions and offer advantages over traditional mechanisms. The finger uses shape memory alloy technology and a unique thermal training technique to recover its trained shape, demonstrating rapid flexing and extending motion.
New research from the University of Chicago shows that adding math talk to story time at home can significantly improve children's math achievement. Using an iPad app called Bedtime Math, parents and children can engage in high-quality math interactions, even infrequent use was beneficial.
Researchers identified a connection between DNMT3A gene mutations and the activation of oncogene MEIS1, which induces acute myeloid leukemia. The study found that this subtype of leukemia may be sensitive to drugs targeting both genes.
Choi-Wan, a powerful storm, lost its tropical characteristics and became an extra-tropical cyclone as it moved over cooler waters near the Kuril Islands. The storm maintained hurricane-force winds, with maximum sustained winds near 60 knots (69 mph/111.1 kph), while moving north at 38 knots (44.8 mph/72.2 kph) towards Japan.
Despite failure to meet Millennium Development Goal target, papers showcase positive developments and point the way forward for improved sanitation and drainage in cities. The journal explores persistent gaps in urban sanitation provision and ways to address them.
The Blue Brain Project digitally reconstructs a slice of juvenile rat brain containing over 31,000 neurons and 55 layers, enabling researchers to simulate neural activity and circuit-level behaviors
The NSF Secure and Trustworthy Cyberspace (SaTC) program invests $74.5 million in research grants to address vulnerabilities in hardware, software, and networking technologies. The funding supports interdisciplinary research, including the human components of cybersecurity and education initiatives.
A new study documents the fatal connection between urban stormwater and coho salmon survival, but also finds that inexpensive filtration through columns of sand and soil can completely prevent toxic effects. The research demonstrates that coho salmon are an ecological sentinel for urban runoff's harmful effects.