Researchers use X-ray laser to heat water from room temperature to 100,000 degrees Celsius in less than a tenth of a picosecond, producing an exotic state of matter. This study has significant implications for understanding the properties of water and its behavior under extreme conditions.
A University of Otago study found that New Zealanders with dementia and older men have poorer oral health, with dirtier and more decayed teeth. The researchers emphasize the need for improved oral care in aged residential care, citing higher rates of cognitive and physical impairments as a major challenge.
Astronomers found that planets in the habitable zone can abruptly freeze due to large obliquity variations or eccentricity changes, making a fraction of them uninhabitable. The study uses sophisticated ice sheet modeling and suggests orbital dynamics play a significant role in habitability.
A team of scientists discovered a key factor that unravels nucleosomes, allowing genes to activate. This finding provides new insights into the regulation of genes and has implications for understanding human diseases such as cancer.
Researchers at the University of York found that individuals with 'detail focus', a trait linked to autism, led to realistic cave drawings across Europe. They argued that drugs were unlikely behind this art movement.
A team of biophysicists from FAU presents a mathematically concise method for comparing different pricing models, predicting more accurately how parameters such as volatility change over time. This method enables researchers to identify triggering events in real-time and pinpoint invasive cancer cells.
A large study published in CMAJ found that gout is not associated with an increased risk of fracture. Researchers from Keele University studied over 31,000 patients with gout and their matched controls, finding a similar rate of fractures in both groups.
A study from Lund University reveals that older slow sand filters are more effective at cleaning drinking water due to the development of a specific ecosystem of bacteria. The use of 'sand starter' made from bacteria and sand from an older filter can improve new sand filters.
The use of digital recordings in medical visits holds great promise for improving healthcare outcomes, including enhanced patient engagement, shared decision-making, and education. However, the authors caution that there are pressing need to develop new policies on data collection, management, and storage.
Researchers at Florida State University emphasize the importance of early depression diagnosis in patients with coronary artery disease. Studies have shown that individuals with both CAD and depression experience significantly poorer health outcomes, including a two-fold higher risk of mortality. The article provides criteria for major...
Nebraska researchers have identified a simple equation to design less costly and more efficient catalysts for producing renewable hydrogen fuel. The team found that surrounding certain transition metals with specific environments can elevate their performance, making them viable alternatives to precious metals.
A position statement from the American Academy of Sleep Medicine emphasizes the need for medical evaluation over consumer sleep technology. While wearables and apps may provide valuable data, they are not a substitute for comprehensive testing.
The study found that the ice stream has lost about 12% of its mass over the past 45,000 years, with losses occurring during both warm and cold periods. This suggests that NEGIS is particularly sensitive to environmental changes, which may exacerbate the impact of anthropogenic climate change.
A new study published in Medicine & Science in Sports & Exercise found that a mindfulness-based stress reduction program was as effective as structured exercise programs in increasing physical activity and extending life expectancy. The program involved 2.5 hours of meditation, self-awareness, and breathing exercises per week.
Researchers studied Parkinson's patients with deep brain stimulation and found that brain activity alternates between the left and right sides of the brain while stepping. The introduction of a metronome improved accuracy and enhanced beta activity.
Researchers demonstrated that two common email encryption standards are vulnerable to attacks, compromising secure communication. The S/MIME standard is not suitable for secure communication due to outdated cryptography, while OpenPGP can be configured securely but often isn't.
Researchers at Georgia Tech created a wearable system that can recognize up to 22 different micro finger gestures, allowing users to control smart devices with simple hand movements. The technology uses acoustic chirps emitted from a ring and received by a wristband, enabling discreet interaction.
Research reveals that six-year-old minority children show an implicit pro-White bias when exposed to images of both White and Black children. However, this bias decreases with age, suggesting that the social environment plays a crucial role in shaping racial attitudes.
Research highlights transhemispheric ecosystem link spanning Pacific Ocean between pink salmon abundance and short-tailed shearwater populations. Declining short-tailed shearwater productivity linked to increasing pink salmon abundance in North Pacific Ocean.
A study published in PNAS reveals that the spatial organization of outer hair cells is crucial for amplifying and tuning sound. Researchers found that these cells can only produce high hearing sensitivity when arranged in their natural configuration with respect to surrounding structures.
Researchers characterized mEAK-7, a human equivalent of EAK-7, which regulates cell growth and development. The study found that mEAK-7 activates an alternative pathway in cells, potentially controlling disease progression. Disrupting this process could lead to new therapies for cancer and other diseases.
A new Danish-Vietnamese study has found that Vietnamese consumers buy rhino horn for symbolic gestures to console terminally ill family members, rather than traditional medical reasons. The study suggests that a legal trade of farmed rhino horn is unlikely to reduce poaching, and that other strategies are needed to address the problem.
A new analysis found a significant decline in direct-to-consumer TV ads conveying information about conditions and prevalence, while positive emotional appeals increased.
Middle-aged adults with lower socioeconomic status exhibit less organized functional brain networks and reduced cortical gray matter thickness compared to those with higher SES. The study suggests that SES influences brain anatomy and network organization across adulthood, playing a role in age-related brain decline.
A robot at Georgia Tech has learned to dress people by analyzing simulated examples of dressing a human. The robot uses its sense of touch to guide the garment onto a person's arm and predict the consequences of different motions.
Four risk prediction models have been shown to be most accurate for selecting the highest risk ever-smokers for lung cancer screening, suggesting that these findings can inform future lung cancer screening guidelines. The models picked similar numbers of ever-smokers and showed the best agreement on which ever-smokers to select.
Two family physicians reflect on how racism shapes their medical education and practice, highlighting the need for white physicians to acknowledge and address their own biases. They emphasize the importance of individual and institutional efforts to eliminate disparities in quality of care based on race.
Patients and caregivers prioritize clear accountability, continuity, and caring attitudes in care transitions. Effective services include actionable information, collaborative discharge planning, empathic communication, and uninterrupted care.
The new Canadian guideline recommends against routine screening for visual impairment in older adults living independently, as it does not prevent limitations on daily living. Instead, patients should make their own appointments for regular vision screening or seek help if they suspect visual problems.
Researchers at Tokyo Institute of Technology have created a micrometer-wide thermometer that can measure small and rapid temperature changes in real time. The device is sensitive to heat generated by optical and electron beams, enabling its use in various fields such as photo-thermal cancer treatment and advanced research on crystals.
Research at Oregon State University found that silver nanoparticles can inhibit beneficial bacteria in wastewater treatment plants, leading to excessive nutrient levels and eutrophication. The study suggests that short-term exposure studies may underestimate the potential toxicity of long-term, low-concentration exposure situations.
Researchers have solved the mystery of steam burns, revealing that water vapour penetrates skin pores to cause second-degree burns. The epidermis cannot protect against steam, which condenses in the lower dermal layer, releasing thermal energy and triggering damage. To minimize damage, cooling is essential for a long time.
A simple visual screening tool can identify older adults at increased risk for dementia after a minor decline on the Mini-Mental-State-Examination. Early career family physicians with a broader scope of practice report lower burnout rates, while resilience training alone may not be enough to address burnout.
Researchers at Linköping University have developed a lignin-based fuel cell that converts the chemical energy of forest fuels into electricity without emitting carbon dioxide. The use of conducting polymer PEDOT:PSS as both electrode and proton conductor enables efficient proton-coupled electron transfer reactions.
Researchers have developed a technique to quantify 3D forces within cells using elastic microspheres filled with fluorescent nanoparticles. The study found that these mechanical forces play a fundamental role in cell physiology and may help unlock mysteries related to embryonic development and cancer stem cells.
Researchers studied rats' performance in a cognitive effort task, finding that brain regions involved in emotional responses and translating emotions into actions play key roles in decision-making. The study's findings have implications for understanding psychiatric disorders associated with defects in decision making.
Cancer cells express specific sugar receptors that can be targeted for better drug delivery. Researchers are developing nanocarrier formulations to accumulate in tumor sites and minimize side effects.
The study investigates the effects of different disturbance events on a simple microbial food web, finding that the type of disturbance affects bacterial communities and stability. The results highlight the importance of considering trophic interactions and time factors in ecological systems.
Researchers found substantially higher uncertainty than assumed in current climate change studies, with a median per capita output growth rate of 2.03% per year. This new understanding of uncertainty will affect policy planning globally.
A 25% increase in child visits led to a surge in care and workforce burden. Children under six accounted for 45% of additional daytime and 73% of out-of-hours visits.
Researchers found that poor functional status is associated with a higher incidence of initiating hemodialysis and increased risk of central venous catheter use. Elderly patients with poor functional status have an increased one-year mortality by 48 percent.
A study published in Medical Care found that homeless veterans are more likely to experience unplanned hospital readmissions after surgery, particularly those discharged to nursing homes. Homeless veterans were younger and had lower rates of medical diseases but higher rates of mental health problems, contributing to the increased risk.
A ketogenic diet has been found to protect retinal cells from degeneration in a mouse model of glaucoma, increasing energy availability. The study suggests that a ketogenic diet may help maintain vision in patients with glaucoma.
Scientists at Lomonosov Moscow State University developed a new material that can detect oxalate ions in food products, even at low concentrations. The material uses a dye agent to identify the presence of harmful ions, making it a highly sensitive tool for monitoring food safety.
A CAMH study analyzed over 1,000 brain scans to provide new insights into brain networks in people with autism. The personalized brain mapping approach showed that each person's brain has unique differences in network functioning despite sharing the same diagnosis.
The University of Arizona Sleep and Health Research Program has been awarded a $3.6 million grant to study sleep health along the US-Mexico border. The Nogales Cardiometabolic Health and Sleep Study aims to investigate the relationship between sleep disturbances and cardiometabolic disease risk factors.
Community health workers provide a range of functions including care coordination, health coaching, and social support to improve patient outcomes. By utilizing community health workers, care teams can better manage workload and improve patient care.
Researchers found that participants who received smaller servings consumed less alcohol, with a 20.7% - 22.3% decrease in one study and a 32.4% - 39.6% decrease in another. Reducing serving sizes could lead to 1,400 fewer deaths and 73,000 fewer hospital admissions annually.
A mouse study found that time-restricted feeding maintains normal food intake and reduces weight gain in obese mice. The researchers discovered that restricting food availability to one half of the day resets the normal timing of satiety signals, leading to less weight gain.
The team is using mycorrhizal fungi to stabilize soil and conserve water in restoration sites. By inoculating seedlings with native microbes, they aim to improve native plant survival and growth. The research also explores the differences between disturbed and pristine environments, informing ecological restoration efforts.
Research finds child abuse alters gene expression and myelin layer thickness in brain's Anterior Cingulate Cortex, a key region for mood regulation. This modification may underlie increased vulnerability to depression and other mood disorders in abused individuals.
Researchers found a new archetype of microbes living in Yellowstone National Park's thermal features that sheds light on the origin of life and the importance of iron in early Earth. The discovery is critical to understanding the universal tree of life and evolutionary history of the Earth.
Researchers studied 4,450 species in American tropics, finding Amazonia as primary source of diversity, with over 2,800 lineages. The study highlights the role of dispersal in assembling regional biotas across Mesoamerica and northern South America.
A new drug has been found to reduce symptoms and activate dormant neurons in preclinical models of Rett syndrome, a genetic disorder causing intellectual disability. The treatment, SB216763, also shows promise in improving quality of life by lengthening lifespan and reducing tremors and breathing difficulties.
Half of primary care patients face social challenges, leading to poorer health outcomes and reduced access to preventive services. More complex cases were associated with higher rates of ambulatory and emergency care visits.
A study found that asthma mortality rates are falling among younger people in the poorest areas compared to the wealthiest, but remain higher in older adults. Regional variations persist, with significant differences in outcomes across England.
A new study found that global carbon production from Chinese exports has slowed or reversed, as developing countries shift trade among themselves. The growth of South-South trade has more than doubled between 2004 and 2011, leading to a surge in CO2 emissions in regions like Vietnam and Bangladesh.
A new study by UC Santa Barbara community ecologist Keenan Stears examines how hippos shape the ecology of freshwater ecosystems. The research found that high-density hippo pools with excess nutrients cause dissolved oxygen levels to decline, leading to a decline in fish diversity and abundance.
A new co-management model between nurse practitioners and physicians reduces primary care clinician workload, alleviating burnout and fatigue. The effective model requires three core attributes: communication, mutual respect, and a shared philosophy of care.
A comprehensive genomic database for fishes has resolved evolutionary relationships among 131 species, including tuna and seahorses, and identified genetic markers to track divergence through time.