Researchers at Johannes Gutenberg University Mainz have achieved a breakthrough in inducing synchronous motion of domain walls in ferromagnetic nanowires using pulsed magnetic fields. This allows for controlled displacement of domain walls, essential for permanent data storage.
Taking care of grandkids one day a week may boost cognitive function, but excessive caregiving can have negative effects. A study of Australian grandmothers aged 57-68 found that social engagement and mental sharpness were linked.
A national survey of 2,500 teens and young adults found that those who liked and identified music with alcohol-brand references were more likely to binge drink and have problems related to alcohol. The study suggests that policy interventions targeting these references in popular music could help reduce teen drinking.
A new study finds that binge drinkers heal from wounds at a slower rate due to impaired immune function. Binge alcohol exposure reduces key immune system components, making wounds more susceptible to infection.
A study found that cutting boards and gloves used in handling raw poultry can transmit ESBL-producing E. coli bacteria, highlighting the importance of hand hygiene. Researchers collected samples from hospital and private kitchens, finding higher contamination rates on hospital cutting boards and gloves.
A recent study found that individuals with multiple sex partners and heavy drinkers are less likely to enroll in HIV-prevention counseling. The researchers suggest that interventions targeting both STI prevention and alcohol use could be effective in reducing risk factors for HIV infection.
A study found that chronic cigarette smoking impairs postural stability in individuals with alcohol use disorders, even during sobriety. Non-smoking AD individuals improved on a measure of postural stability over eight months, while smoking AD individuals showed no significant improvement.
Aerobic exercise has been found to increase hippocampal volume and improve verbal memory capacity in older women with mild cognitive impairment. The study suggests that regular aerobic exercise can help slow the advance of dementia.
Carbon monoxide exposure cases rise after snowstorms and power loss, with generators and car exhaust as common sources; public health education crucial to prevent poisoning.
Tropical Cyclone Ita is strengthening due to increased wind speeds and cold cloud top temperatures detected by NASA's Aqua satellite. The storm's center is consolidating, surrounded by strong thunderstorms, and is expected to move towards Queensland, Australia over the next three days.
A small study published in BMJ Open suggests that men with eating disorders are underdiagnosed, undertreated, and understudied. The perception that eating disorders are a women's problem delays men from seeking help, with some experiencing significant distress and suicidal thoughts.
The Society for Healthcare Epidemiology of America publishes expert guidelines to prevent catheter-associated urinary tract infections (CAUTI) in acute care hospitals. The strategies include protocols for proper catheter insertion and management, education among healthcare professionals, and surveillance programs to record progress.
The San Diego Zoo Global Wildlife Alliance has found that lead poisoning is the primary cause of death in wild California condor populations. This finding highlights the need for conservation efforts to address widespread lead contamination in the environment.
Researchers at UC Davis have identified the atomic structure of kinesin-5, a protein essential for mitosis in virtually all eukaryotic cells. The newly discovered structure reveals unique pockets that could be exploited as targets for new anti-cancer drugs.
A phase II trial of efatutazone with erlotinib failed to improve efficacy in patients with refractory non-small cell lung cancer, but researchers hope to refine future treatments by identifying the right biomarker for individual patients. The study found that fluid retention was a key factor contributing to the lack of success.
Researchers used multiphoton microscopy to visualize podocyte calcium dynamics in response to glomerular injury, finding a robust calcium wave that spread throughout cells. Additionally, a mutation in the steroidogenic factor 1 (SF-1) gene was identified as causing asplenia and disorder of sexual development in a pediatric patient.
A study of over 800 Swedish teenagers found no significant differences in fantasy content or attitudes towards pornography between boys and girls. However, the most sexually experienced adolescents showed a perception that both boys and girls are equally interested in sex.
A new experimental compound called TTT-3002 has been identified as a potent inhibitor of genetic mutations in cancer cells that cause some forms of treatment-resistant leukemia. In mouse models, the drug eliminated leukemia cells within 10 days and showed activity against FLT3-mutated cells.
Dr. Michael Barrett of TGen received a $200,000 grant to investigate the molecular drivers of pancreatic cancer spread. The grant supports research into high-priority areas to double pancreatic cancer survival by 2020.
Researchers at the University of Southampton are creating a hybrid technology that uses electronic components as chemical sensors on printed circuit boards to provide instant diagnosis. This device could replace traditional diagnostic methods, which are lengthy and costly, allowing for continuous monitoring of disease progression.
Research identifies cellular signaling dysfunction causing brown fat cells to lose blood vessels and mitochondria, leading to energy production failure and increased risk of metabolic disorders.
Researchers found that triclosan, an antimicrobial agent in soaps and toothpastes, promotes the colonization of Staphylococcus aureus bacteria in human noses. This could predispose some people to infection, particularly those undergoing surgery.
A study evaluated the role of evidence in selecting medical services for 'Top 5' lists, revealing that cost was a primary factor in justifying inclusion. The study found that specialty societies often relied on higher costs to justify services with similar benefits but more expensive options.
The Gordon and Betty Moore Foundation and Society for Science & the Public announced winners of the Science, Play and Research Kit (SPARK) Competition. A microfluidics 'lab on a chip' prototype developed by Manu Prakash and George Korir took first prize, while Robijanto Soetedjo's toy set that explores electrical signals won second pri...
Two new dementia care models seek to decrease stress for caregivers, reduce health care costs and improve quality of care for older adults. Caregivers' close involvement with the medical team is a key feature of both models.
A new study published in PNAS found that plant sugars move rapidly down the stem to trigger bud growth, supporting the idea that sugar is the key signaling molecule. The research has implications for agriculture and bioenergy crop production.
A global study by Concordia University researchers found that 94 percent of people experience unwanted, intrusive thoughts, images, and/or impulses. This commonality challenges traditional OCD diagnoses and treatment strategies, suggesting that cognitive and behavioral interventions may be more effective across cultures.
A robotic digger, RoboClam, has been created to mimic the unique mechanisms employed by the Atlantic razor clam. The robot can transform soil into a liquid and achieve deep digging with high efficiency, making it suitable for applications such as anchoring underwater robots and subsea cable installation.
Research reveals that introducing new information during sleep weakens memory accuracy, making it harder to distinguish between familiar and novel odors. The study highlights the brain's repair mechanisms during sleep, which can impact memory strength and accuracy.
A study published in Biological Psychiatry found that intranasal ketamine conferred an unusually rapid antidepressant effect within 24 hours and was well-tolerated in patients with treatment-resistant major depressive disorder. The results show promise for a new treatment class, targeting the NMDA glutamate receptor.
A novel therapy using electrical stimulation of the spinal cord has helped four patients with paraplegia regain voluntary movement, including flexion of toes, ankles, and knees. Researchers believe this approach may change the prognosis for people with paralysis even years after injury.
Researchers at the Salk Institute discovered that BRCA1 plays a crucial role in creating healthy brains in mice, potentially explaining why some women with breast cancer experience brain seizures. The study found that eliminating BRCA1 led to significant neural damage and abnormalities in brain development.
A USGS and CDC study found that Northern sea otters off Washington state's coast were infected with the pandemic 2009 H1N1 flu virus. The presence of antibodies in 70% of the sea otters suggests they were previously exposed to influenza, highlighting their susceptibility to the virus.
Researchers tracked drought dynamics in the US using a new Event-based Spatial-Temporal Data Model (ESTDM), which analyzed four years of European Space Agency's soil moisture and ocean salinity data. The study aims to predict future drought events by identifying patterns of spreading drought.
A study published by Johns Hopkins Medicine found that DNA modifications in the blood of stressed mice correlate with changes in brain tissue, providing a valid comparison between the two. The research linked epigenetic changes to altered gene function, shedding light on the relationship between stress and psychiatric diseases.
Tropical Depression Peipah is intensifying as it approaches the central Philippines, with forecasters predicting landfall by April 11. The NASA Aqua satellite's infrared data shows high cloud-top temperatures indicating potential for heavy rainfall, with estimated amounts ranging from 5 to 15 mm per hour.
The Children's National team, led by Drs Yang Liu and Reuven Schore, will investigate novel approaches to address unmet medical needs of relapsed pediatric AML patients. They aim to develop a therapy that can eliminate leukemia stem cells, which are highly resistant to conventional chemotherapy.
Researchers analyzed over 250 scientific journal articles on the role of research in society, finding that scientists agree on being responsible but not on what it means. The lack of clarity hinders fruitful discussions about responsible science and specific actions to take.
The European Biodiversity Observation Network (EU BON) aims to provide integrated biodiversity information to support decision-making in various sectors. EU BON integrates disparate databases and online sources to improve monitoring and evaluation of biodiversity.
A new study by Rice University finds that businesses and academia are not sufficiently integrating creativity and innovation, which requires skillful leadership to maximize benefits. The study proposes 60 research questions and 11 themes for future studies to improve understanding of workplace creativity and innovation.
Researchers analyzed over 10 years of medical helicopter transports in Maryland, finding that 31% of trauma cases could have been transported by ambulance within the golden hour, saving thousands of dollars. GIS technology provides accurate estimates of transport times to trauma centers.
Infants who nap are better able to apply lessons learned, while preschoolers retain knowledge after napping. Sleep enables babies and young children to learn language over time by reactivating memories during sleep.
A meta-analysis of randomized controlled trials found that chemotherapy improved progression-free survival compared to epidermal growth factor receptor tyrosine kinase inhibitors in patients with wild-type EGFR tumors. However, overall survival did not differ between the two groups.
A recent study by Rice University and colleagues analyzed the environmental fate of black carbon in deep ocean sediments. They found that more than half of black carbon never reaches the bottom, but instead stays dissolved in seawater or gets trapped in particles before sinking to the seafloor.
Researchers developed a new methodology to study yeast changes during wine fermentation, which can predict yeast behavior and improve wine quality. The study found that simulating yeast metabolism and understanding chemical composition of grape must are crucial for developing a forecasting model.
A study published in Psychological Science found that increased diversity leads to a wider partisan divide among White Americans, with more support for conservative policies. The research suggests that this shift is driven by a perceived threat to their social status, rather than the actual changes in demographics.
Researchers at the Institut de recherches cliniques de Montréal have discovered how the immune system kills abnormal blood cells. The study found that EAT-2 and SAP molecules work together to activate natural killer cells, which play a crucial role in protecting against viruses and cancer cells.
Researchers at Brown University have discovered a method to fortify steel by twisting it, allowing for improved strength while maintaining ductility. This breakthrough could lead to the development of new steel alloys for high-strength applications such as axles on high-speed trains.
Researchers have discovered conditions under which graphene nanoribbons can function as electronic switches. The study reveals that the transport gap, a critical factor for switch functionality, is inversely proportional to the ribbon's width and independent of crystallographic orientation.
A recent study found that glucosamine supplementation extended the lifespan of nematode worms by 5% and ageing mice by almost 10%, promoting glucose metabolism and protection against diabetes. This effect is comparable to a low-carb diet, suggesting a potential health benefit for humans.
A York University study found that abnormal lipid molecules in prenatal brain development can affect neural pathways, triggering autism. Environmental factors such as chemical exposure and medication use can also impact these lipids.
A study by University of Helsinki researchers found that smartphone malware infection rates are significantly higher than previously estimated at around 0.25%. The team collected anonymized data from over 50,000 devices during a seven-month period and developed a technique to identify devices infected with previously unknown malware.
The university will fund research, training, and education projects to address health disparities in this population. The center's Health Matters program has developed evidence-based tools, including peer mentoring and online resources, to promote healthy behaviors.
A new study found that permafrost thawing leads to increased release of methane and carbon dioxide into the atmosphere via plants. The research suggests that this could accelerate global warming trends by up to five times more carbon in the atmosphere.
Tropical Cyclone Peipah passed Palau on April 5, weakening to a tropical depression with sustained winds near 25 knots. The storm is expected to make landfall in northeastern Mindanao before moving through the central or Visayas region.
Researchers at Rice University have developed a new hybrid material by combining carbon nanotubes with graphene, resulting in improved electrical and mechanical properties. The 'rebar graphene' technique enables large, flexible, conductive sheets of graphene to be manipulated more easily, making it a potential replacement for indium ti...
A Rutgers University study found that nonresident father involvement is positively associated with lower food insecurity in early and middle childhood. Involvement includes time spent with the child, monetary contributions, and 'in kind' support, resulting in a 10-12% reduction in food insecurity.
A systematic evidence review found daily low-dose aspirin can prevent preeclampsia complications by 24% and preterm birth by 14%, with no identified harms. A new approach to breast cancer research suggests reevaluating mammography screening and focusing on prevention through lifestyle changes.
Researchers at Aalto University have developed a method to observe immediate changes in brain function during movie viewing. The study found similar brain signals in individuals watching the same movie, suggesting that the contents of the film affected certain brain functions in a similar manner.
Researchers found that green tea extract increases brain connectivity and improves working memory performance. The study suggests potential clinical applications for treating cognitive impairments in neuropsychiatric disorders like dementia.