Researchers have identified a novel biomarker that uses radiomics to extract brain age from clinical MRI scans, revealing its potential in predicting stroke recovery and improving post-stroke surveillance. The study found that 'older-appearing' brains were more likely to suffer from hypertension and diabetes, while younger-looking brai...
A study published in Neurology found that people with higher levels of antioxidants lutein and zeaxanthin and beta-cryptoxanthin in their blood were less likely to develop dementia. The study associated a 7% decrease in risk of dementia with every standard deviation increase in lutein and zeaxanthin levels.
The 100-year-old BCG vaccine has been found to protect newborns and young infants against multiple bacterial and viral infections, including COVID-19. The study identified changes in metabolite and lipid profiles that correlate with innate immune system responses.
Severe COVID-19 causes cognitive impairment similar to 50-70 year age range, equivalent to losing 10 IQ points. Cognitive symptoms persist six months after acute illness and show gradual recovery.
Canadian and German researchers have identified personalized prescriptions that combine drugs to treat obesity and Type 2 diabetes. The combination therapy shows higher effectiveness in some patients and fewer side effects compared to single drugs. Studies are now needed to understand why individuals respond differently to the treatment.
A new UCI study identifies a single brain pathway centered around dopamine cells responsible for cocaine withdrawal-induced anxiety and relapse-related behavior. The findings offer a potential target for therapeutic interventions to prevent relapse among drug users.
A study found no increased mortality risk or serious adverse outcomes in high-risk patients receiving tranexamic acid during IT fracture surgery. The medication, which promotes blood clotting, was also associated with a small decrease in blood transfusion risk.
Researchers used PCA and fluid dynamics simulation models to show proper fit is crucial for optimal mask protection. Face shape significantly affects mask fit, even with double masking.
Researchers provide a comprehensive survey on emerging RIS technology, discussing its promise and challenges in wireless communication systems. The technology offers unique features such as passive transmission and improved signal quality, but open problems remain to be solved.
Researchers at Tsinghua University Press examined the combination of dirty paper coding and reconfigurable intelligent surfaces to achieve highly efficient data transmission. Numerical simulation results demonstrated that this technique can effectively improve the sum rate capacity compared to benchmark schemes.
Researchers from China and the UK propose an IRS-aided two-phase secrecy communication scheme to enhance physical layer security in scenarios involving both active attacks and passive eavesdropping. The technique achieves more secure communication using energy harvesting technology and beamforming design.
Researchers from KIST have proven the triplewise information tradeoff in quantum measurement, a relation that ensures the security of quantum technology. The study showed that obtaining more information on a quantum state by increasing measurement intensity disturbs the state more.
A new mathematical model suggests that wearing masks could drastically slow the spread of COVID-19, reducing severe cases and pressure on healthcare systems. The study's findings are potentially applicable to any respiratory infection transmitted by inhaling infectious particles.
A team from the Terasaki Institute for Biomedical Innovation has created a method to repair tendons using silk fibroin scaffolds, which showed improved healing and regeneration of injured tendons. The scaffold combines silk fibroin with GelMA to promote cell attachment, growth, and differentiation.
A Scripps Research study found that environmental cues learned during withdrawal are more powerful than those learned during the early phases of alcohol use, leading to more irresistible cravings. This discovery could lead to new treatments to minimize cravings in people with addictions.
Lehigh University graduate student Evan John Musterman has been awarded a highly competitive grant to conduct research at Brookhaven National Laboratory. He will advance his work on laser-fabricated single crystal architectures in glass, aiming to better understand the structural transformation of glass preceding crystal formation.
A new study suggests that a diet high in protein, zinc, and niacin, and low in saturated fat, can improve blood vessel flexibility. The study found improvements in metabolic and cardiovascular health, including reductions in calorie and saturated fat intake, increases in zinc and niacin, and improvements in blood vessel function.
A recent study suggests that tree density in the Cerrado biome has been controlled mainly by the length of the dry season over the past 45,000 years. The research found a link between changes in the dry season and variations in Earth's axial tilt, which may lead to similar trends in the late 21st century.
A new study has identified specific groups of bacteria associated with poorer neurological recovery from ischaemic stroke. Fusobacterium and Lactobacillus were linked to increased stroke risk, while Negativibacillus and Lentisphaeria were associated with more severe strokes.
The study demonstrates that professional development with a focus on neuroscience equips teachers to reduce learning gaps in eighth-grade students. Students who received SMART training showed improvements exceeding the statewide average in Reading, Mathematics, and other subjects.
Researchers find that criminal violations of supervised release contribute the majority of prison time imposed through revocation. Advocates for reform focus on technical violations, but these also lead to significant punishment. The system raises constitutional questions due to potential double punishment and erosion of rights.
Adults with student loan debt face a higher risk of cardiovascular illness and may experience undermined health benefits from post-secondary education. Researchers analyzed data from the National Longitudinal Study of Adolescent to Adult Health and found that those who took on new debt or consistently had debt had higher CVD risk scores.
A Danish study of over 1,000 children found that changes in blood fats and markers of heart health and diabetes can be detected as early as age six in those with overweight. Routine dental check-ups provide a good opportunity to measure BMI.
The Texas Advanced Computing Center (TACC) has selected 21 scientific codes and 'grand challenge'-class science problems that will receive funding through the Characteristic Science Applications program. The program aims to improve scientific software, generate benchmarks for the Leadership-Class Computing Facility, and demonstrate the...
Scientists at UC Riverside demonstrate CRISPR technology can make permanent physical changes in the insect, passed down to three or more generations. The technology may hold promise for controlling the sharpshooter and preventing Pierce's Disease.
A new species of dusky salamander has been discovered in the Gulf Coastal Plain of Mississippi and Alabama, increasing knowledge of the region's biodiversity. The species, Desmognathus pascagoula, is similar to another recently discovered species but has distinct morphological, genetic, and geographic characteristics.
Researchers from the University of Minnesota Medical School found a link between diet type and hydrogen sulfide production in the gut. An animal-based diet was shown to increase toxic gas production, while fiber-containing foods were beneficial to gut health.
A new study warns that reforms to give domestic workers access to the minimum wage will be hard to enforce due to Britain's immigration rules. The lack of secure immigration status creates uncertainty and difficulty in bringing wage claims, further devaluing domestic labor.
A global study found that Indigenous oyster fisheries were highly productive and sustainably managed, with evidence of harvests spanning hundreds to thousands of years. The research highlights the importance of restoring and managing estuaries and involves long-overdue Indigenous communities in decision-making.
Researchers developed a new system using x-ray signals from pulsars to determine spacecraft location without prior information, allowing for autonomous navigation and reduced reliance on ground infrastructure. The algorithm combines observations from numerous pulsars to narrow down possible locations.
A team of scientists found that two beneficial microorganisms (Aureobasidium pullulans and Bacillus amyloliquefaciens) and a copper phosphite fertilizer can reduce Verticillium Wilt in olive trees by up to 70%. The study suggests that these compounds induce resistance in plants through different metabolic pathways, offering a non-speci...
A UK study found that 70% of adolescents are not consuming the recommended amount of fruit and over 90% are not eating enough vegetables. The researchers analyzed data from 16 schools in the West Midlands region, finding that pupils were exceeding daily intake limits for free sugar, potatoes, red meat, and chicken.
Researchers created patient-derived models of brain metastases that recapitulate human disseminated disease, reflecting clinical manifestations and biological characteristics. These models can be used to test therapeutic value of different treatments and explore new approaches tailored to each patient.
A new analysis of ancient predators sheds light on how prehistoric humans found their food, revealing that they did not rely on abandoned animal carcasses as previously thought. The study, led by Rice University, found that sabertooth cats fully devoured their prey and consumed some bones.
A new study found a consistent increase in PHGDH expression among Alzheimer's patients and asymptomatic individuals, suggesting increased serine production in the brain. The findings prompt caution against taking serine supplements for Alzheimer's disease treatment or prevention.
A new study highlights the importance of addressing Africa's unique media landscape in combating misinformation. Pavement media, including discussions in marketplaces and social spaces, play a key role in spreading false information.
An anti-idling campaign at two elementary schools reduced idling time by 38% and improved air quality, according to a study published in the Atmosphere journal. The campaign, which involved teachers and parents, also found localized pollution hotspots around schools caused by car emissions.
A new study provides a framework for predicting snowpack runoff and its impact on flood risk during rain-on-snow events. By leveraging hourly data from existing snow monitoring stations, researchers have created a decision support tool that can help water managers prepare for potential flooding.
A modified cardiac rehabilitation program has been shown to reduce mortality rates among stroke survivors by 76%. The program, which includes medically supervised exercise and therapy, improves functional capacity, mobility, self-care, and cognition. This finding has the potential to change the future of stroke care.
A new collection of peer-reviewed research papers highlights the role of RISs in advancing wireless communications. The special issue, published on April 29, investigates performance analysis and optimization, strength and security of channels, integration into current wireless systems, and an overview of RIS hardware.
A study found that B12 deficiency is widespread among young children in low-income countries, leading to poor motor development and anaemia. Daily B12 supplements are crucial for brain development, but food relief programs often fail to provide sufficient amounts.
A new nanofiber-based biodegradable millirobot called Fibot can move in the intestines and release different drugs at anchored positions. Fibot's degradation capability is pH-responsive, allowing for controlled drug release.
A recent Rutgers University study has found that children in families struggling to provide diapers are more likely to have disrupted and shorter sleep periods. The researchers also discovered a strong association between diaper need and an increased risk of childhood obesity, emotional problems, and maternal mental health symptoms.
A newly discovered brain circuit facilitates focusing attention on salient features in the environment by heightening activity in specific microcircuits of the hippocampus. This circuit may play a role in executive functions and cognitive issues like dementia, ADHD, and psychiatric disorders.
A UK study of over 400,000 adults with obesity found that losing weight reduces the risk of 13 obesity-related complications, with greater benefits for those with lower initial BMIs. Weight gain increases these risks, particularly in individuals with lower starting BMIs.
A new study reveals that iridescent colors can serve as a form of deceptive warning coloration, protecting prey from predators. Researchers found that both iridescence and gloss significantly reduced the willingness of birds to attack prey, providing an adaptive explanation for the evolution of iridescence.
Researchers discovered that aging lymph nodes near the skin deteriorate faster than those deeper in the body, compromising the immune response. This can lead to weakened immunity against skin infections, vaccinations, and even skin cancers.
Researchers developed a new model to understand how delusions emerge and are shaped by different contexts, revealing common themes across patient accounts. Clinicians must go beyond 'correcting' dysfunction to devise treatment that is relevant to the individual's emotions, life experiences, and socio-cultural contexts.
Researchers found that RISs can reduce channel aging's adverse impact on system performance and improve overall performance. The study models a system where a base station sends signals to an RIS and users, which reflects the signal back to users, strengthening it.
Researchers at Sandia National Laboratories have developed a seashell-inspired coating that can protect materials from mechanical, shock, and thermal insults. The coating is made from thin layers of confectioners' sugar, silica, and carbon black, and has been shown to be lightweight, mechanically strong, and thermally stable.
A new canine coronavirus variant has been identified in human patients with pneumonia, showing a shift from infecting both the intestines and respiratory system to only the respiratory system. Researchers used state-of-the-art tools to assess evolution pressures that may have influenced this shift.
A team of scientists in China and the UK developed an aerial intelligent reflecting surface (AIRS) to enhance communication security. The AIRS can be easily mounted on a drone to form a flexible network, reducing the risk of eavesdropping.
Researchers documented three common types of workplace microaggressions toward Black employees: expression of anti-Black stereotypes, racialized role assignment, and interactional injustice. These microaggressions lead to higher levels of job dissatisfaction and burnout among Black employees.
Researchers at Ohio State University developed a tool to create complex compounds using electricity, streamlining chemical processes and reducing costs. The discovery has broad applications in medicine, agrichemicals, and plastics production.
Scientists investigate garnet in ultrahigh-pressure metapelites at Lago di Cignana, Italy, and the Longshou Shan in western North China craton, revealing lithium concentrations and isotope compositions that provide insight into prograde reaction history and fluid-rock interactions. These findings contribute to our understanding of the ...
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
New research reveals that squamates evolved in the Jurassic period, between 201 and 145 Myr., with key adaptations emerging earlier than previously thought. This finding challenges current estimates and sheds light on the group's diversity and success.
A study of 4,177 Black women found that higher education levels were associated with lower allostatic loads, indicating reduced chronic stress. Women with college degrees had lower rates of high blood pressure, diabetes, and cardiovascular disease.
A new approach to battery design uses a polysulfide-air redox flow battery with two membranes, overcoming main problems and opening up potential for large-scale energy storage. The dual membrane design enables the use of lower-cost materials, improving performance and reducing costs.
Researchers at the University of Kansas have discovered a promising new basis for active immunization against Alzheimer's disease. By injecting a recombinant methionine-rich protein into mice with the disease, they were able to improve short-term memory and learning abilities by up to 50%. The treatment also showed potential in reducin...