A University of Central Florida researcher studied three aging-in-community programs in Florida to examine the impact of supportive communities on older adults. She found that higher education levels were linked to lower perceptions of independent living, while neighborhood social cohesiveness was more common among married individuals....
Scientists have found a way to characterize the degree of quantumness in physical systems, which is essential for understanding quantum computing and sensing advantages. By analyzing extrema states, researchers identified a mathematical representation called Majorana constellation, which covers more of the sphere as quantumness increases.
The American Heart Association's COVID-19 Cardiovascular Disease Registry found significant racial and ethnic differences in treatment and outcomes for patients hospitalized with COVID-19. Hispanic patients were more likely to have lower health insurance, while Black patients had higher rates of obesity and required more ventilator sup...
Researchers at Kumamoto University used X-rays to visualize 28 maize weevil impressions on ancient pottery shards from the late Jomon period. The study provides evidence of the early presence of food pests like weevils in Japan and suggests lessons can be learned from ancient pottery about modern epidemics and disasters.
Researchers have developed an all-solid redox transistor containing a thin film of Fe3O4 on magnesium oxide and lithium silicate electrolyte, enabling reversible rotation of the magnetization angle in magnetite at room temperature. The device operates with lower power consumption than traditional spin current injection methods.
A team of scientists discovered ancient zircon minerals in a Martian meteorite that date back to 4.5 billion years ago, but also contain younger ages suggesting volcanic activity in the northern hemisphere. The zircons' hafnium isotope composition reveals a primitive reservoir in Mars' interior, unchanged since the planet's formation.
Researchers at Baylor College of Medicine have made significant discoveries about the 3D structure of mammalian ferroportin, revealing two iron-binding sites and a unique mode of action. This new understanding has potential implications for treating iron overload diseases, such as anemia and cancer.
A new study by Michigan State University reveals the far-reaching effects of irrigated agriculture on the environment, including water scarcity and greenhouse gas emissions. The research highlights the importance of considering the complex connections between food production, energy use, and environmental sustainability.
Researchers used computer models to analyze COVID-19 pandemic-related changes in human activity and its impact on air pollution. The study found that global nitrogen dioxide concentrations decreased by nearly 20%, with significant reductions observed in 50 of the analyzed cities, including Wuhan, China, Milan, and New York.
A new study published in JNCI: Journal of the National Cancer Institute indicates that receiving assisted reproductive technology does not increase the risk women have for developing ovarian cancer. While fertility treatments may slightly increase borderline ovarian tumor risk, this association appears to be due to underlying patient c...
A new multiplex real-time RT-PCR assay has been developed as a simpler, more cost-effective alternative to existing SARS-CoV-2 testing methods. The assay performs comparably to the modified CDC test while allowing for increased patient throughput and reduced reagent consumption.
A combination of remdesivir and hrsACE2 reduced SARS-CoV-2 viral load and inhibited replication in cell cultures. The therapy achieved a dual effect with low doses and lower toxicity, paving the way for clinical trials. HrsACE2 is currently being evaluated in a phase II trial involving 200 people with severe COVID-19.
A WSU study found that UV light induces new types of DNA damage that may cause malignant melanoma, supporting its role in cancer development. Researchers discovered rare mutations linked to melanoma in irradiated yeast cells, expanding previous understanding of UV damage.
A novel patient engagement tool improved treatment outcomes for half of the 290 patients with heart failure, who were randomized into two groups. The study found that patients assigned to the engagement tool received better treatment and had optimized medication prescribing, which can improve patient outcomes.
Researchers demonstrate 24-hour rat liver viability in a normothermic machine perfusion system, enabling longer-term studies of liver physiology and pharmacologic effects. The study identifies predictive markers for perfusion success, including liver oxygen consumption and intra-hepatic resistance.
Researchers studied privacy-focused cryptocurrency community and found that developers are creating cryptocurrencies with built-in regulatory evasion capabilities. The study suggests that regulatory efforts will be hindered by the decentralized nature of these projects.
Researchers discovered moulins in Greenland ice sheet are much larger than previously thought, with extra volume influencing the ice sheet's stability and movement towards the sea. The study's findings add to knowledge of how meltwater interacts with the base of the ice sheet.
Researchers at NIST have developed a miniature thermometer that can measure temperatures below 1 Kelvin, enabling faster and more accurate measurements of chip-scale devices in quantum computing and other fields. The new thermometer is smaller, faster, and more convenient than conventional cryogenic thermometers.
A comprehensive review of research studies on SARS-CoV-2 infections in infants less than 3 months old found that the majority experience mild to moderate cases and usually recover with supportive care. No deaths were reported, contradicting earlier findings suggesting myocarditis as a rare but possible complication.
The UKRI programme aims to improve understanding of plastic pollution impacts and develop solutions for cleaner environments. Researchers will investigate various aspects of plastic waste, including its effects on agriculture, aquaculture, tourism, and waste management practices.
A new UK study sheds light on the effects of benzopyrene exposure on human cells, revealing new insights into DNA repair mechanisms and their connection to cancer development. The research suggests that understanding these mechanisms could help predict individuals more susceptible to cancer-causing agents.
A phase 1/2 randomised controlled trial of the inactivated SARS-CoV-2 vaccine candidate CoronaVac involved over 700 healthy volunteers aged 18-59 years recruited in China. The study found that CoronaVac is safe and induces a robust antibody response within four weeks after two doses, with optimal dosing identified as 3μg.
Researchers have identified a potential therapeutic strategy for obesity by discovering the signalling pathways responsible for the development of adipose tissue macrophages (ATMs) in obesity. ATMs play a key role in preventing lipotoxicity, where fat molecules are deposited in non-adipose tissues.
A study of 514 men undergoing active surveillance for early-stage prostate cancer found that those with negative biopsies had more favorable clinical characteristics and excellent long-term outcomes. Negative biopsies indicated low-volume disease with lower rates of disease progression, supporting continued active surveillance.
Cell division becomes softer and deformable in response to mechanical forces from neighboring cells, altering its orientation. This study reveals a new mechanism influencing tissue dynamics and may have implications for clinical studies.
Researchers at UC San Diego are launching an experiment to the ISS to study mudslides in microgravity and develop technologies to prevent them. They hope to create a protective layer using Xanthan gum, a common food additive.
Researchers found abnormal levels of cytokines in patients with untreated sleep apnea, suggesting a link between poor sleep and immune system disorders. The study aims to improve treatment approaches for obstructive sleep apnea and its associated autoimmune diseases.
A new study presents research on the effects of racket sports and exercise on knee joint degeneration in overweight individuals. The study found that racket sports accelerated degeneration, while elliptical trainer use was associated with reduced progression. High-speed lateral movements in racket sports may be driving this effect.
A recent study found that a high-dose flu vaccine is equally effective to a standard dose in reducing the risk of death or hospitalizations from heart or lung-related illnesses in people with heart disease. Researchers enrolled over 5,000 participants and found no significant difference between the two vaccine formulations.
Scientists discover a chain reaction leading to Alzheimer's disease starts earlier than thought, triggering toxic protein deposits. An antibody, aducanumab, has been shown to remove seeds of aggregation and reduce brain damage in transgenic mice.
Researchers at the ARC Centre of Excellence in Exciton Science have developed a new nanoscale building method that can arrange tiny gold rods into precise patterns. This technique has potential applications in renewable energy, smartphones, laptops, and efficient lighting, as well as improving security features in banknotes and passports.
A new study highlights the link between COVID-19 and wildlife trade, emphasizing the need for effective legislation to regulate the trade of wildlife and reduce consumer demand. The research suggests that addressing wildlife trade and habitat fragmentation can help prevent future zoonotic diseases.
Environmental scientists at TalTech have developed a new ozonation method to treat drinking water contaminated with pharmaceutical residues. The study compared the efficiency of ozone, ozone/hydrogen peroxide and ozone/persulfate processes in degrading sulfamethoxazole and trimethoprim, finding promising results for the O3/PS process.
The study found that the availability of invertebrates as prey is crucial for urban bird diversity, with higher prey abundance leading to more diverse communities. Bird species can be categorized into three groups based on their responses to environmental variables and prey abundance.
Researchers found that combining ticagrelor and aspirin is more effective than either medication alone in preventing another stroke in patients with heart plaque. The study showed a 27% reduction in stroke risk among these patients, highlighting the potential benefits of this combination therapy.
Researchers explore the role of cannabinoids in limiting secondary damage of traumatic brain injuries (TBIs), where inflammation can accelerate after initial injury. By inhibiting an enzyme that worsens TBI outcomes, cannabinoids may help restore a healthy balance between pro-inflammatory and anti-inflammatory responses.
The NIH Platform Vector Gene Therapy (PaVe-GT) project uses AAV9 as a platform vector to develop gene therapy products for four rare diseases. The project aims to improve the delivery of therapeutic genes into target cells, paving the way for access to gene therapy for patients with difficult-to-treat conditions.
The Purdue Innovation Partners Institute is bridging the rural digital divide by bringing wireless broadband connectivity to underserved communities. The initiative, backed by a $1M public-private partnership, aims to support remote learning and improve quality of life for K-12 students in northern Jasper County, Indiana.
This special collection focuses on technological innovations addressing the novel SARS-CoV-2 virus. Original research articles cover various topics, including antibody detection, diagnostic methods and ventilator development.
A Purdue University team has been named a quarterfinalist in the US Department of Energy's Solar Desalination Prize for their innovative technology to purify high salinity water using solar power. The NoAir system aims to use high-temperature solar heat and hybrid desalination technologies to produce clean water from saltwater.
Researchers have identified biological patterns that predict relapse in medulloblastoma, a common childhood brain cancer. The study allows for personalized treatment approaches to be taken, improving outcomes for affected children.
A new study from the University of Bath and Natural History Museum found that dinosaurs were not declining in diversity at the time of their extinction. The researchers used statistical modelling to assess dinosaur family trees and found no evidence of decline, contradicting previous studies. If the asteroid impact hadn't occurred, din...
Researchers at the University of Chicago challenged a popular theory on neural population dynamics, finding different activity patterns in the motor cortex for reaching and grasping behaviors. The study, published in E-Life, revealed less orderly neuronal activity patterns during grasping motions compared to reaching movements.
Researchers identified a non-hereditary mutation in blood cells from a patient with GATA2 deficiency that may have prevented bone marrow failure and other clinical manifestations. The mutation acted as a kind of natural gene therapy, protecting the patient from developing typical symptoms.
Sertraline's anti-cancer activity is attributed to its ability to inhibit the production of serine and glycine, two amino acids that stimulate cancer cell growth. The substance has shown promise in inhibiting breast cancer cell growth when used in combination with other therapies.
The article discusses how modeling pandemic infection rates is flawed due to unforeseeable changes in social distancing efforts. Experts argue that plateauing or peaking do not imply predictable future trends. Lockdowns and social distancing reduce infections, but do not cause them to peak.
The TIMSS 2019 Encyclopedia presents a comprehensive picture of mathematics and science education worldwide, highlighting countries' curricular goals, teaching approaches, and technology integration. Many nations have updated their math and science curricula to prepare students for a rapidly evolving global community.
Researchers developed machine learning frameworks that guarantee robots' performance in unfamiliar settings, with a guaranteed success rate of 88.4% in obstacle avoidance trials. The approach expands generalization theory to robotics, providing more broadly applicable guarantees on robot control policies.
Researchers discover carbyne's optical band gap is much smaller than previously thought, offering advantages for electricity conduction and future applications.
Health systems and nursing homes must collaborate to provide better care for patients in crisis and during day-to-day operations, Dr. Unroe argues. The COVID-19 pandemic has highlighted the importance of integrating nursing home data sources with other healthcare data.
Researchers used a machine-learning model to predict the distribution of palladium atoms on copper surfaces under changing temperatures and hydrogen concentrations. The study found that hydrogen adsorption drives palladium away from the surface at higher pressures and lower temperatures.
A new study from Rice University found that racial and gender biases significantly impact American attitudes toward gun ownership. The research revealed that Republicans are more likely to support gun rights for white men, while Democrats are more willing to support white women's right to own firearms. These findings highlight the need...
A remotely-delivered, algorithm-driven program improved patients' cholesterol and blood pressure levels by identifying those with uncontrolled LDL-C and/or high blood pressure. The study used electronic health records and clinical algorithms to initiate and titrate medications at preset intervals until treatment goals were achieved.
A new study finds that student exposure to violent crime in urban elementary schools is linked to higher transfer rates, particularly for less advantaged students. The study suggests that creating a safe school environment could reduce violence-related transfers and increase stability in enrollment patterns.
Researchers identify blood biomarkers indicative of brain injury in COVID-19 patients, offering potential for timely diagnosis and cost-effective treatment approaches. The study highlights the increased risks of persistent neurological deficits, psychiatric disorders, and neurodegenerative diseases associated with COVID-19.
A short training course on handheld ultrasound devices has significantly increased confidence among geriatricians in using the technology and interpreting images, with a notable increase in comfort level tripling within four hours and extending to six months.
A team of researchers demonstrated that popular robotic household vacuum cleaners can be remotely hacked to record speech and music. They used signal processing and deep learning techniques to recover sound waves from the laser-based navigation system, revealing potential security risks and privacy breaches.
A randomized controlled trial found that patients with heart failure who received pre-recorded audio messages about self-care at home had lower readmission rates and reduced mortality. The study suggests that clear, consistent messages can improve patient outcomes and may lead to innovative methods of enhancing discharge information.
Scientists have discovered an extremely rare species of cymothoid, Elthusa splendida, from a museum shark specimen in the East China Sea. The find expands the species' range to almost opposite sides of the globe, with only five previously documented specimens.
A new study found that children in a Melbourne family developed a COVID-19 immune response despite chronic exposure to the SARS-CoV-2 virus. The youngest child showed no symptoms and had the strongest antibody response, indicating an effective protection mechanism against reinfection.