A new treatment has been found to significantly reduce mortality rates among patients with severe aortic stenosis, while also improving their quality of life. The bioprosthetic-tissue valve treatment was shown to save lives and enable patients to walk, exercise, and engage in daily activities.
A recent study published in the Journal of Dental Research has identified genetic variations in taste pathway genes as predictors of tooth decay. The researchers found associations between TAS2R38 and TAS1R2 genes and caries risk or protection.
A new study by MIT neuroscientists suggests that the brain learns to solve object recognition through experience in the natural world. Researchers exposed monkeys to altered visual stimuli, which led to changes in neural activity and object preferences.
A large-scale genetic study of 26,000 people has identified seven locations on the genome where differences in the genetic code are associated with asthma. The findings suggest that allergies may be a consequence of asthma rather than a cause, and that genetic testing is unlikely to predict who will develop the disease.
Developing language skills is crucial for boys to regulate their emotions and behavior, according to a Michigan State University study. Boys with strong vocabulary can exhibit dramatic improvements in self-regulation, comparable to girls with similar skills.
Two new species of horned dinosaurs, Utahceratops and Kosmoceratops, have been discovered in Grand Staircase-Escalante National Monument in southern Utah. The dinosaurs possess unique horn structures, with short eye horns projecting strongly to the side, and one horn over the nose, making them the most ornate-headed dinosaurs known.
The University of Illinois Chicago has received a $12.4 million grant to study the predictors of smoking patterns from adolescence through young adulthood. Researchers will track approximately 1,200 youth to explore social and emotional contexts that influence smoking behavior.
The GOES-13 satellite has captured images of three tropical cyclones, including Tropical Storm Lisa in the eastern Atlantic and Tropical Storm Georgette in the eastern Pacific. Lisa is struggling to intensify due to wind shear and dry air, while Georgette is expected to produce heavy rainfall over western Mexico.
A novel nano-CT imaging technique enables researchers to visualize the nano-structure of bone samples with high precision. This allows for better understanding of structural changes related to osteoporosis and development of new therapeutic approaches.
A team of Pitt and Carnegie Mellon researchers are leading a $2 million federally funded project to improve life-cycle assessments and predict environmental impacts. They aim to redesign the scientific method guiding sustainable construction and develop a digital simulator to predict a structure's ultimate footprint.
Researchers found that tau acetylation contributes to Alzheimer's disease and other neurodegenerative diseases. Inhibiting tau acetylation may be a new approach for reducing tau-related pathology.
A recent study published in PLOS ONE suggests that brain abnormalities may underlie the development of antisocial behavior and drug abuse in boys. The research found significant differences in brain activity between antisocial boys and their peers, including reduced activity in regions responsible for decision-making and reward process...
Researchers at the University of Alberta have developed a drug that can reduce or eliminate airborne disease transmission when someone coughs. The new treatment uses a spray form and has shown promise in suppressing droplet emission from lung fluid.
Researchers found cocaine, ecstasy, and six other drugs in the canals of L'Albufera Natural Park. High levels were detected in north and areas with high population density, warning of potential consequences for humans and environment.
Researchers at Fraunhofer Institute have developed new detection equipment that can reliably identify liquid explosives. The method involves sensors detecting vapors from open containers or x-ray equipment scanning unopened bottles, paving the way for lifting of EU ban on carry-on liquids.
Researchers identify key genes that allow fruit flies to differentiate between smells, enabling the development of more effective insect repellents. By understanding how these genes are regulated, scientists can target similar genes in other insects to create substances that repel pests.
Researchers at the University of Texas Health Science Center San Antonio identified Ume6 as a key transcriptional regulator involved in Candida albicans' hyphal filament-development mechanism. This finding may lead to targets for antifungal therapies, which could help combat hospital-acquired infections caused by this fungus.
Two LSU research groups investigate the impact of oil and dispersants on the Louisiana salt marsh ecosystem and genetic structure of wildlife populations. The studies aim to understand short- and long-term effects of chemicals on natural systems.
Scientists have developed a laboratory model to study innovative approaches against typhoid fever in a living system. The 'humanized' mouse model enables researchers to test new treatments before testing them on people.
Researchers found that mice treated with chromium picolinate had lower levels of albuminuria compared to untreated diabetic mice. The supplement reduced inflammation by affecting IDO, IL-6, and IL-7, suggesting a potential therapeutic effect.
A new paper in Nature suggests that a sudden cooling event in Northern Hemisphere oceans between 1968 and 1972 played a key role in the observed hiatus of global warming during the mid-20th century. The research found that this cooling event was most pronounced in the northern North Atlantic.
Researchers will test NC State-created molecules against different types of animal cells infected with bacteria, aiming to develop effective treatments for antibiotic-resistant infections. The project aims to identify leading candidates that both revive antibiotics' effectiveness and have a low toxicity profile.
The study found that China's enormous population drives its high ranking, despite low per capita fish catch and consumption. The United States comes in third, while Peru ranks second in catch but not top 20 in consumption.
A team at Scripps Research Institute has detailed the structure of a member of the only remaining class of multidrug resistance transporters. The study, published in Nature, may lead to the development of new antibiotics and improve crop agriculture by reengineering the transporter to help plants grow in soil they can't grow in now.
Researchers followed approximately 150 patients with angiographically significant coronary lesions to investigate FFR-guided revascularization's safety and effectiveness over a decade. The study found no excess risk of adverse events, including mortality, heart attacks, or need for further revascularization.
Researchers at Florida State University found that people with Parkinson's disease alter their gait when asked to perform verbal tasks while walking, increasing the risk of falls. Even healthy adults without a neurological impairment demonstrated similar difficulties walking and talking, highlighting the need for healthcare professiona...
Scientists have developed a new form of methotrexate as nose drops to treat brain cancer, showing promise in bypassing the blood-brain barrier. In initial testing on laboratory rats with brain cancer, the nose drop drug reduced tumor weight by almost one-third compared to injectable treatment.
A new study by West Virginia University researchers found that middle-school teenagers who are physically active and play on sports teams are more satisfied with their life and feel healthier. Playing on a sports team was linked to higher life satisfaction in both boys and girls.
A new study published in Human Reproduction found that children conceived by IVF perform at least as well as their peers on standardized tests from grade 3 to 12. The study also discovered factors such as older mother age, higher education levels of both parents, and lower divorce rates linked to better test scores.
Patients treated with terlipressin for gastrointestinal bleeding due to portal hypertension experienced a significant reduction in serum sodium concentration. The study suggests that monitoring serum sodium closely and avoiding high-sodium solutions may help prevent adverse events.
Researchers found that two single vodka and orange drinks significantly affected obstacle avoidance test results in senior volunteers. The study showed delayed response times and reduced amplitudes after just one drink, highlighting the negative impact of low-blood-alcohol concentrations on dexterity.
Researchers found that weight-based dosing of taribavirin achieves comparable efficacy to ribavirin for treating chronic hepatitis C, with lower rates of anemia. The study suggests a safer alternative for HCV treatment while maintaining efficacy.
A Mayo Clinic study found that nerve inflammation may cause postsurgical neuropathy in some patients, leading to pain, numbness, and weakness. Immunotherapy can quickly improve symptoms in these cases.
The report examines how individuals behave in stock and credit markets, noting that people tend to be more influenced by perceived risk than objective risk. It also discusses how financial crises impact people's well-being, including the role of cognitive biases and affective social influences.
Spanish researchers have discovered a genetic link between the 677C>T variant and osteoporotic vertebral fractures in post-menopausal women. This finding highlights the importance of genetic analysis in identifying individuals at high risk for bone-related illnesses.
Researchers at UC Davis discovered that Salmonella bacteria create an environment in the human intestine to enhance its reproductive success. The bacteria use tetrathionate respiration, a sulfur compound produced by the immune system's response, to outgrow beneficial microbes and promote severe diarrhea.
Researchers create panels that can harness hygroelectricity, a phenomenon where water in the atmosphere picks up an electrical charge. This technology has the potential to provide renewable energy, especially in humid regions like the northeastern and southeastern US.
A study found that breast cancer survivors with functional limitations affecting motion, strength, and dexterity are at risk of dying from other causes, but not breast cancer recurrence. The study highlights the importance of addressing physical limitations in cancer survivorship plans.
Scientists have identified a potential new treatment for toxoplasmosis, an infection affecting almost 2 billion people worldwide. Triclosan, commonly found in soaps and toothpastes, has shown promise as a guiding light for developing effective medications.
The new book discusses research on the impact of alcohol on the growing body and offers practical tips for parents to talk to their children about drinking. Studies show that delaying the first drink can make a big difference in reducing later-life problems.
A Princeton University-led team has developed a system to produce realistic movie simulations of earthquakes based on complex computer models. The movies will be made available worldwide within hours of an earthquake, providing researchers with enhanced understanding and tools to improve maps of the Earth's interior.
A study published in Infection Control and Hospital Epidemiology found that doctors often prescribe antibiotics to patients with viral respiratory tract infections, despite the lack of clinical benefit. This overuse of antibiotics can contribute to the development of resistant bacterial strains.
Researchers found that power users prefer customization to control their information universe, while nonpower users prefer personalized experiences with assured privacy. This study highlights the importance of considering user experience and privacy concerns when designing online news platforms.
A Virginia Tech researcher is developing a massive data collection system that relies on information captured by 'citizen scientists' to aid in disaster response. The system uses smartphones to collect photographic and sensor data from affected areas, which can be quickly sifted through by responders.
Hurricane Igor brought heavy rainfall and strong winds to Newfoundland, Canada, causing extensive flooding, power outages, and wind damage. The storm's circulation increased as it moved north, extending tropical-storm force winds up to 520 miles from its center.
The Northwestern University-led trial assesses the safety and tolerability of human embryonic stem cell-derived oligodendrocyte progenitor cells in paralyzed subjects with spinal cord injuries. The goal is to evaluate if these stem cells improve neuromuscular control or sensation in the trunk or lower extremities.
Researchers have found dry water to be an effective material for absorbing carbon dioxide, with the ability to store gases safely. It also accelerates catalyzed reactions used in producing consumer products such as drugs, food ingredients, and other goods.
Researchers have discovered a mechanism to detect bacteria in the womb, opening up new possibilities for preventative treatments. This unique environment relies on a simpler form of immunity called the innate system, as the adaptive response is underdeveloped.
The University of Maryland Center for Environmental Science's Chesapeake Biological Laboratory is rebuilding its historic research pier after receiving a $1.7 million National Science Foundation grant. The pier, which has played a crucial role in climate change and fisheries management research since 1936, sustained major damage from r...
Researchers at Oregon Health & Science University discovered that multipolar mitosis, a form of cell division typically associated with cancer, can produce diverse and viable cells capable of protecting the liver from injury. This process may reveal why some individuals are more susceptible to liver diseases.
A new system is being developed to provide accurate patient histories, assist in treatment, and optimize remote medical diagnosis. The integrated LTM/iRevive system will guide caregivers through the observational recording process and reduce errors, allowing for greater focus on providing care.
The University of Pennsylvania School of Veterinary Medicine has awarded $100,000 to Mo Salman, Nikkita Patel, and Brittany Gross for their innovative projects advancing veterinary medicine. Salmon's work focuses on infectious disease management, while Patel and Gross develop public outreach initiatives and sustainable dairy farms.
UT researcher Francisco Úbeda and Andy Gardner found that genomic imprinting affects children's behavior, with paternal genes promoting altruism and maternal genes encouraging self-interest. This discovery has implications for understanding neurological disorders like autism and psychosis.
The American Society for Radiation Oncology (ASTRO) honored outstanding researchers in radiation oncology, recognizing excellence in clinical and basic science research. The awards include Resident Clinical/Basic Science Research Awards, Resident Poster Viewing Awards, and Annual Meeting Scientific Abstract Awards.
Researchers from the USDA have identified a group of enzymes known as feruloyl esterases that can break down key links between plant cell wall polymers. These enzymes, produced by certain microbes, have been isolated and cloned for use in Escherichia coli to improve biofuel production efficiency.
Researchers at the University of Missouri found that resistance training during weight regain can maintain health gains, including reduced risks for diabetes and heart disease. Participants who performed supervised resistance training three times a week maintained improvements in cardiorespiratory fitness and strength.
Researchers discovered that combining practice with additional sensory stimulation can lead to significant learning gains. This approach may reduce the effort required for learning and improve therapies for children with language learning impairments or adults seeking to enhance perceptual abilities.
A study by Timothy Vyse and colleagues found that common CRP genetic variants are associated with acute-phase serum CRP concentrations in patients with rheumatoid arthritis. This association may influence therapeutic decision making and lead to improved clinical interpretation of inflammatory disease activity.
Researchers describe DNA hairpin folding process in water with atomic resolution, finding competition between fast and slow routes and random exploration of microscopic details. This breakthrough has significant implications for therapeutic strategies based on oligonucleotides and RNA interference treatments.
Researchers at Fox Chase Cancer Center identified over 60 proteins necessary for cancer cells to survive with EGFR inhibitors, demonstrating a two-hit strategy that increases tumor cell death. This approach will open the door for future therapies and has already led to two clinical trials testing innovative drug combinations.