A new study published in the SLEEP journal found that using artificial lighting synchronized to natural biological rhythms improves quality of sleep and work performance for night shift workers. Strategic exposure to light accelerated body-clock adjustment and improved alertness and performance, as well as sleep after a night shift.
Researchers found that injecting dairy farm manure into a live cover crop in early spring reduces ammonia escape and nitrous oxide emissions, while maintaining soil nitrogen loss. This approach achieves multiple conservation goals, including reduced pollution and improved soil fertility.
Researchers from Penn and Princeton developed a method of judging behavior that sustains cooperation, called 'look twice, forgive once.' This approach looks at multiple actions and forgives some bad actions to maintain consensus, confirming the original hypothesis that public institutions are not necessary for reputation-based cooperat...
According to the Global Cancer Observatory (GLOBOCAN), lung cancer is the most common type of cancer, with 2.2 million new cases and 1.8 million deaths worldwide in 2020. China had the highest number of new cases, and incidence and mortality rates have been steadily rising from 1990 to 2019.
A 2023 study by Guess et al. examined the effect of social media feed algorithms on attitudes and behavior in an election campaign. However, a subsequent eLetter highlights that temporary changes to Facebook's news feed algorithm may have impacted the study's results.
A new study suggests the hormone hepcidin may trigger psoriasis by causing iron overload in the skin. This excess iron amplifies the damaging effects of UV sunlight, leading to hyperproliferative chronic diseases like psoriasis. A potential treatment targeting hepcidin could improve treatment options for millions.
Laura Seeholzer's groundbreaking research reveals that neuroendocrine cells in the larynx and trachea play a crucial role in protecting our lungs from foreign agents. By detecting water and acid, these cells trigger protective responses, including cough-like reflexes and swallowing motions.
Researchers at UC Santa Barbara used drones to count white sharks near Carpinteria Beach, finding that ocean temperature, season, and time of day correlate with shark density. The study provides insights into shark behavior and may help inform conservation efforts and beachgoer safety.
A new review of evidence has found that buprenorphine-precipitated withdrawal occurs in only 0-13.2% of adults taking their first dose, with symptoms being generally mild. The study calls for better evidence to measure the true risk and encourages doctors and patients to use this effective treatment.
A recent study published in The American Journal of Clinical Nutrition found that over 80% of women are iron deficient by the third trimester of pregnancy. Despite being considered a high-resource setting, the study revealed alarming rates of iron deficiency among healthy pregnant women. This finding emphasizes the importance of routin...
Nonprofit hospitals in the US received a total of $37.4 billion in tax benefits in 2021, with about 55% coming from state and local tax benefits. The largest tax benefits were found in Massachusetts, while Delaware had the lowest. Only 7.3% of nonprofit hospitals accounted for half the total tax benefits.
Argonne researchers have developed a new design for a sodium-ion oxide cathode that overcomes the performance issue of repeated discharge and charge. The team found that fine-tuning the heat treatment conditions eliminated cracks in the particles, maintaining high energy storage capacity.
Researchers at UBC Okanagan challenge assumptions about the validity and suitability of high-intensity interval training (HIIT) for public health. They argue that evidence-based findings show HIIT is enjoyable and effective for a wide range of populations, despite critics' claims.
Researchers identified a molecular mechanism that controls embryonic diapause in humans, allowing cells to temporarily slow down development. This dormant state is characterized by reduced cell division and slower development, and can be reversed when the mTOR pathway is reactivated.
A recent study published in Argumentation and Advocacy found that learning to debate builds comprehension, research skills, and empathy. Researchers argue that debating offers skills that could make students better able to navigate the challenges of AI, such as increased reading comprehension and critical thinking abilities.
Bonn researchers use nanobodies to elucidate pore formation by gasdermin D in cell membranes, identifying key steps and potential therapeutic applications for inflammatory diseases. The study reveals that nanobodies inhibit pore formation and prevent cell death, offering a new approach to treating sepsis and autoinflammatory diseases.
Washington State University scientists developed a continuous reaction process to produce lignin-based jet fuel from agricultural waste, reducing carbon footprint and emissions. The new technology has the potential to replace fossil fuel-derived compounds and make sustainable fuels fully "drop-in" capable.
Scientists have developed a new class of compliant DNA nanopores that can transport molecules through cell membranes and adjust their diameter. These pores offer possibilities for biomedical applications, including targeted drug delivery and molecular diagnostics.
Researchers found that wearable fitness technology can provide greater control and certainty for Long COVID sufferers, but also anxiety and uneasiness. Participants used data from their watches to regulate energy expenditure and understand symptoms, leading to a degree of control over the disease and body.
Researchers at the University of Virginia Health System have identified a crucial biological switch that regulates renin production in certain cells, allowing them to control blood pressure. This discovery provides important direction for future research into high blood pressure and cardiovascular disease treatment.
Researchers develop a new method combining machine learning, mode decomposition, and harmonic reconstruction to predict solar activity levels. The study reveals complex short-period disturbances in the photospheric magnetic field around the solar maximum and predicts sunspot numbers for Solar Cycle 25.
A new inverse-design approach has been introduced to design on-chip computational spectrometers, offering a dramatic leap forward in spectrometer technology. The method uses bio-inspired algorithms, such as particle swarm optimization, to optimize disordered photonic structures and achieve impressive results.
Researchers are working on a new method for preserving microbial samples using microfluidics, biomaterials, and protein engineering. The goal is to improve biosurveillance and protect soldiers and civilians from infectious diseases.
A literature review on fracture prediction of incremental forming process based on uncoupled and coupled damage models was conducted. The paper discusses research studies for various damage models, simulations based on these models were carefully analyzed and compared with experiments.
A new study proposes a theoretically new mechanism to modulate spinal reflexes at the same spinal cord level as stretch reflexes during voluntary movements. The research, led by Biomedical engineering doctoral student Grace Niyo, suggests that a simple spinal circuit can correct self-perturbations from stretch reflexes to produce smoot...
Researchers at Istituto Italiano di Tecnologia in Milan created an edible transistor using a toothpaste pigment, enabling the development of smart pills and potential healthcare applications. The device is made from ethylcellulose substrate with gold particles and operates at low voltage.
A new study shows that belonging to age-based groups affects finances and health, with kin-based societies experiencing significant improvements in child nutrition. Researchers analyzed cash transfer programs in East Africa, finding that pension payments to seniors reduced malnourishment by 5.5% in kin-based households.
The study found that South America is experiencing a significant increase in the co-occurrence of multiple climate extremes, including heat, drought, and flammable conditions. This has amplified impacts on ecosystems, economies, and human health, particularly affecting vulnerable rural and indigenous populations.
A new study found that over a dozen bacterial species in the oral microbiome are linked to a 30-50% increased chance of developing head and neck squamous cell carcinoma. The research analyzed data from 159,840 Americans and identified key bacteria that may contribute to the disease.
Researchers found that a specific crosslinking mode in the peptidoglycan cell wall inhibits certain cell wall degrading enzymes, protecting bacteria from internal and external damage. This discovery may lead to new treatments for developing antibacterial therapies.
A recent Supreme Court ruling could strip federal protections from nearly all US nontidal wetlands, including 17.3-90 million acres, due to narrow interpretations of WOTUS. The ruling's impact on the environment and economy is uncertain, with potential hotspots in the Southeast and Great Plains.
Researchers studied three Chinese NGOs engaging in trans-boundary RET transfers, highlighting their roles in coordination, technical assistance, and environmental monitoring. Despite growing importance, these NGOs face challenges such as limited global integration and inadequate funding.
A team of researchers from UMass Amherst debunks the idea that Facebook's algorithms successfully filtered out untrustworthy news during the 2020 election. The study found that temporary changes to the algorithm were not accounted for, leading to misperceptions about the platform's reliability.
Researchers at Penn State created more efficient thermoelectric materials than previously possible, reaching 15% conversion efficiency. This advancement could lead to smaller devices and increased energy production, making long-distance space exploration more feasible.
Researchers have developed a new satellite data fusion method to enhance the early detection of convective clouds. By combining high-resolution texture information with multispectral data, forecasters can identify smaller-scale convective clouds earlier and improve the precision of predicting where these clouds will form and intensify.
Researchers found that dead coral skeletons left after bleaching events protect seaweed from herbivores, enabling its quick colonization and outgrowth over young coral. This complex landscape prevents new corals from settling and surviving on the reef.
The study found that adherence to cultural myths about rape was the strongest predictor of assaultive behavior, even controlling for other factors. Men's personalities, such as rigid adherence to traditional gender roles and low empathy, were also linked to an increased risk of committing sexual assault.
The study reveals that sea robin legs are sensitive to both mechanical and chemical stimuli, and are covered in papillae similar to human taste buds. The research provides new insights into the evolution of this unique trait, which could offer clues about how humans developed bipedalism.
A team of researchers has designed a new antimalarial drug called MED6-189, which is effective against both drug-sensitive and drug-resistant strains of human malaria parasites. The compound works by targeting the apicoplast organelle and vesicular trafficking pathways, making it a promising lead in the fight against malaria.
Scientists at Anglia Ruskin University are collaborating with Medannex to accelerate treatment for bone cancer in children, focusing on paediatric osteosarcoma. The first-in-class therapy MDX-124 has shown promising results in preclinical tests and is being evaluated in a clinical study.
Researchers at KIST developed an aquifer storage technique to improve stable water storage, reducing organic matter concentrations and microbiome changes. The study found that a simple physical sedimentation process maintained stable water quality for a year without pore clogging.
A recent study published in iScience found that the length of time cells spend engaged in the repair process is also key to regulating regeneration in African killifish. The researchers discovered that skin cells launch a genetic program that primes the whole animal to prepare for a repair response, guiding repair cells to get to work.
A mouse model study led by Ohio State University researchers reveals the importance of DNA loops and protein complex cohesin in nerve cell regeneration. The study's findings could lead to new treatments for nerve injuries by understanding how chromatin organization affects gene expression.
Scientists at Sanford Burnham Prebys have developed a clearer picture of how crucial machinery in the human cell's recycling process for obsolete and misshapen proteins—known as proteasomes—are formed. The research team shed new light on how two protein chaperones bind on the top of the alpha subunit ring as it is constructed.
Researchers at UNIGE and HUG have developed CAR-T cells capable of targeting malignant gliomas while sparing healthy tissue. The treatment uses a specific marker on tumour cells and appears to be effective in controlling tumour growth without signs of toxicity.
Scientists at the Francis Crick Institute discovered that the balance of bacteria in the gut influences symptoms of hypopituitarism in mice. Treating mice with aspirin reversed symptoms by increasing NG2 glia, a type of brain cell involved in hormone production.
Washington University School of Medicine researchers will study how vaccines trigger long-lasting immune responses, comparing them with effective lifelong immune responses. They aim to understand factors that enable enduring immunity after vaccination and inform the design of nasal vaccines for respiratory viruses.
A new multi-state study identified three management tips to extend green color and reduce cold-weather injury in hybrid bermudagrass: raising mowing height, applying nitrogen fertilizer in the fall, and maintaining adequate soil moisture. The research found that slow-release nitrogen applications through mid-September had positive impa...
Researchers investigate underlying mechanisms of photonic phase transitions in one-dimensional Rayleigh scattering systems, uncovering unique laws governing the phenomenon. They propose a model that reveals an analogy between temperature and disorder in magnetic spin glass phases, shedding light on universal phase transition mechanisms.
A team developed an AI system to analyze label-free photoacoustic histological images of human liver cancer tissues, achieving 98% accuracy in distinguishing between cancerous and non-cancerous cells. The integration of PAH with AI reduces tissue biopsy time and enhances reliability.
The European Southern Observatory's VISTA telescope has created the largest infrared map of the Milky Way, comprising over 200,000 images and covering an area equivalent to 8600 full moons. The dataset contains about 10 times more objects than a previous map released in 2012, including newborn stars, globular clusters, and brown dwarfs.
A team from the University of Michigan School of Dentistry has patented a new regenerative bone graft material that can regenerate about eight times more bone than existing scaffolds. The breakthrough could transform bone grafts for millions of people who require them, reducing costs and complications associated with traditional methods.
Researchers at Lund University found that grazing zooplankton and phytoplankton diatoms are severely impacted by nanoplastic particles, while cyanobacteria remain unaffected. The study's findings have significant implications for food chains and ecosystem processes.
A new study estimates that nonprofit hospitals receive significant tax benefits across states, with high concentrations among a few hospitals. Policy efforts to strengthen accountability are more effective at the local level.
Women with recurrent pregnancy loss and anti-β2-glycoprotein I/HLA-DR autoantibodies who received low-dose aspirin or heparin treatment had significantly improved outcomes, with 87% experiencing live births and a reduced risk of complications. The treatment was also effective for women with only the newly discovered antibodies.
A study published in the Journal of American Geriatrics Society uses wrist-worn voice recorders to collect real-time data on balance loss among community-dwelling older adults. The findings suggest that these recorders can capture the circumstances and context of balance losses more accurately than traditional recall methods.
Research found a significant increase in sudden unexpected infant death (SUID) and SIDS rates during the COVID-19 pandemic, especially in 2021. The study suggests a link between infection, particularly respiratory syncytial virus (RSV), and SUID, highlighting the importance of safe sleep practices despite infections.
A new study found that climate change may lead to a significant increase in diarrheal disease hospitalizations in Dhaka, Bangladesh, even if global warming targets are met. Hospitalization rates could rise by 4.5-7.4% due to warmer temperatures and worsening water quality.
The SUPERSLUG initiative aims to forecast the impact of sediment slugs on river catchments and communities. The project will use a range of sensors and numerical models to provide comprehensive predictions of where and how long-term effects might be felt, up to decades or centuries after an event.
A team of scientists tracked a mysterious orca group in the Humboldt Current system off the coast of Chile, revealing new hunting skills and shedding light on southern hemisphere orca conservation. The research found that these orcas hunt dusky dolphins, a species they have never been recorded hunting before, and share food among the pod.