Researchers developed an AI model that predicts COVID-19 infection based on symptoms and data from the COVID Symptom Study app. The model uses a combination of four key symptoms, including loss of smell or taste, to achieve nearly 80% accuracy.
Researchers at North Carolina State University have discovered a polymer composite material with bismuth trioxide particles that can effectively shield against ionizing radiation while being lightweight and non-toxic.
A review of nearly 60 articles found that PrEP use among at-risk teens in the US is increasing, but access and knowledge gaps persist. The study recommends strategies to improve PrEP uptake, such as increasing awareness and providing targeted interventions for underserved populations.
A theoretical study found that defects in graphene can increase charge transfer rates by an order of magnitude, selectively catalyzing electron transfer to certain reagents. This property has great potential for developing efficient electrochemical sensors and electrocatalysts.
Researchers have found that South Australia's Grey-headed flying fox population has developed antibodies for Hendra, Cedar and Tioman viruses, indicating exposure. No evidence of Australian bat lyssavirus transmission was found, reducing the risk to humans in the region.
Scientists discovered a critical protein, Ded1p, that changes its structure in response to heat stress, triggering the production of stress-protective proteins. This mechanism may help organisms adapt to temperature fluctuations and has implications for understanding neurodegenerative diseases.
A novel gel-based cooling system developed at KAUST has improved the efficiency of a prototype solar panel up to 20 percent, consuming no external energy. The technology taps into the natural properties of the Earth's climate, utilizing atmospheric water generation to reduce temperatures and enhance heat transfer.
Fruit flies' brains learn to ignore prevalent smells and amplify rare ones through a signal filtering process. This understanding may apply to dogs and humans, and could be used to train AI machines.
Researchers report a Triassic-era fossil that may be an ancestor of modern salamanders, extending the fossil record by 60-74 million years. The discovery provides insight into the evolution of salamander-like body plans and suggests Eurasia as the point of origin for salamanders.
A study by Yale researchers found that only 21% of emergency department clinicians indicated readiness to offer buprenorphine to patients with opioid use disorder. Barriers included lack of formal training, time limitations, and perceptions that initiating therapy falls outside the scope of emergency medicine.
A large observational study found that NFL players experiencing more head impacts during their career are at a higher risk of death. The study included nearly 14,000 current and former NFL players, providing valuable insights into the long-term effects of repeated head trauma.
A HKBU-led research team developed a novel antiviral drug that selectively disrupts EBV protein, leading to tumour shrinkage and improved survival rates in animal models. The drug has shown promising results in targeting latent EBV infection, providing new treatment options for nasopharyngeal carcinoma.
The study found that the microbiome exerts a continuous effect on conventional dendritic cells, which are key players in the immune response. In their basal state, these cells require microbiome-derived signals to prime for future responses against pathogens.
A new study finds that climate change affects hydropower potential, with a 1.5°C scenario offering greater benefits than a 2°C scenario. Hydropower production will play an increasingly crucial role in the world's energy supply as a renewable and clean energy source.
A new poll reveals that one in seven adults between 50 and 80 experience food insecurity due to cost or other issues. Older adults with lower household incomes and education face significant disparities. The pandemic may have worsened these disparities, highlighting the need for increased access to nutritious food and health resources.
A group of researchers developed a new way for robots to pool data in real-time, allowing them to navigate difficult terrain as a team. The system uses a centralized data cloud, where each robot draws on data from other robots to steer clear of obstacles.
Lockdowns led to significant reductions in nitrogen dioxide and particulate matter pollution globally, with decreases of up to 60% in some regions. However, surface ozone levels increased by a factor of 1.5-2 in northern China due to decreased nitrogen dioxide pollution.
Researchers at Monash University have made a significant breakthrough in the development of new glycopeptide antibiotics, which could provide a vital advantage in the fight against resistant bacteria. By combining natural enzymes with synthetic chemistry, scientists can now explore new antibiotics that have never been made before.
A new study found that a brief motivational interview with a health professional can reduce drug use among occasional users. Six months after the intervention, participants reported less frequent use of their main drug.
The RSNA COVID-19 Task Force has published documents on COVID-19 surge preparedness and post-COVID-19 preparedness for radiology departments. These resources provide tools and information to help radiologists manage the COVID-19 outbreak, including guidance on departmental policies, surge and post-COVID preparedness insights.
Researchers have successfully developed a method to create proteolytically resistant therapeutic peptides that can survive the gastrointestinal tract. This breakthrough enables the development of oral peptide drugs targeting gastrointestinal targets, such as Crohn's disease and ulcerative colitis.
A study by Dr Jared Piazza of Lancaster University found that butchers and deli workers become desensitized to handling meat within two years, leading to reduced feelings of disgust and empathy. They justify eating meat on grounds such as necessity for health or natural digestion.
Researchers studied Hayabusa2's readings from the Ryugu asteroid, finding evidence of solar heating that changed its chemical properties. This discovery sheds light on the early history of the solar system and the formation of asteroids.
Researchers at Texas A&M University developed a minimally invasive biosensor system to monitor urate levels, which can help patients with gout manage their symptoms better. The technology uses benzoporphyrins and is designed for personal management of gout, potentially reducing healthcare costs and improving patient outcomes.
Women who watched Disney movies during chemotherapy experienced improved measures of quality of life compared to those who did not watch the movies. The study found that Disney movie watching had a positive impact on emotional well-being and stress levels in these patients.
Researchers have collaborated on developing new drugs that can effectively reduce the growth of cysts in the liver and kidneys, offering a promising therapeutic option for this genetic disorder. The drugs, based on the structure of bile acid UDCA, show promise in blocking the growth of cysts in an animal model.
Researchers at UMBC have developed a new solution to render realistic human skin in video games. The new method uses temporal variance to lower the number of changes within each frame while maintaining a realistic depiction of subsurface scattering.
Researchers developed a real-time physics engine for simulating the movements of soft robots, which can be used for autonomous operations. The engine uses the discrete elastic rods (DER) algorithm, allowing for faster-than-real-time simulation of hundreds of movements.
The COVID-19 pandemic has led to a significant reduction in the number of organ donations and solid organ transplants in France and the United States. Kidney transplants have dropped by 91% in France, while overall solid organ transplant procedures have declined by 50%.
A recent study has identified the complement component 4 (C4) gene as a key factor in understanding sex biases in autoimmune disorders and schizophrenia. Individuals with more C4 genes were found to be less likely to develop autoimmune conditions but more likely to develop schizophrenia.
Researchers at Oak Ridge National Laboratory are refining their design of a 3D-printed nuclear reactor core and developing methods to confirm the consistency and reliability of its printed components. The Transformational Challenge Reactor Demonstration Program aims to turn on the first-of-its-kind reactor by 2023.
The Journal of European Landscapes is an openly accessible peer-reviewed outlet bridging heritage and future-proof landscapes through scientific papers, project descriptions, interviews, and book reviews. It aims to document and promote landscape discourse across geographies.
Scientists found dairy residues in ancient pots from hunter-gatherer sites in Lesotho, dating to the 1st millennium AD, confirming contact with farming communities. The discovery suggests that hunter-gatherers adopted animal husbandry techniques from their lowland counterparts.
Researchers developed simple molecular reagents that can simultaneously target and modulate various pathogenic factors in Alzheimer's disease. The reagents displayed redox-dependent reactivities against free radicals, metal-free and metal-bound amyloid-beta, and led to chemical modifications that altered its aggregation.
The COVID-19 pandemic has triggered a global economic crisis, forcing governments to develop unprecedented rescue packages and questioning the US dollar's dominance. Researchers have developed four scenarios that explore possible post-Coronavirus world developments.
The Belt and Road Initiative's six terrestrial infrastructure corridors crisscross ecologically fragile geographies, threatening 150,000 square kilometers of critical habitat. Financiers' lack of binding biodiversity impact mitigation requirements poses significant risks to the world's species.
Research shows that young refugees exposed to traumatic experiences, abuse, and poverty are at risk of mental illness. The study found that multiple risk factors increase the likelihood of functional deficits and behavioral problems.
Researchers found that a transcription factor TGA1 accelerates plant growth in response to nitrogen, leading to increased biomass. The study's findings have implications for improving nitrogen use efficiency in crops, benefiting agriculture and sustainability.
A study by University of Houston found that constant email interruptions can create sadness and fear among office workers, negatively impacting work environment. The researchers suggest email batching as a solution to mitigate these effects.
Researchers at Stanford University have developed a way to combine insulin with amylin, a second hormone that plays a synergistic role in controlling blood sugar levels. The new technique involves a protective coating that allows the two hormones to coexist in a single shot, enabling patients to take a double-acting injection.
Researchers measured pedestrian heat exposure over regular asphalt roads, reflective coated roads and sidewalks next to the roads. The study found that the surface temperature of coated asphalt road was up to 6 degrees Celsius cooler than the regular road in the afternoon, but the radiant heat over coated asphalt was higher.
Researchers develop a trait-based understanding of fungal decomposition abilities, improving predictive power for early and mid-stage wood decay. The study identifies different fungal traits that explain wood decomposition variation, with great potential to improve carbon cycle predictions in forests.
Researchers at Aalto University have developed a method to create materials from particles using nanocellulose as a universal binder. The study reveals the ability of nanocelluloses to induce high cohesion in particulate materials, overcoming particle dependency and enabling the creation of materials with predictable properties.
Researchers have developed a test to identify lobster hybrids resulting from crossbreeding between European and American lobsters, posing a potential threat to conservation efforts. The study highlights the importance of genetics in distinguishing hybrid lobsters that may spread unwanted genes across native populations.
A new study by Mount Sinai researchers found that insulin resistance is a key factor mediating racial disparities in breast cancer prognosis. Black women with invasive breast cancer had higher rates of insulin resistance and more aggressive tumors than white women.
A new type of vaccination has been shown to substantially enhance and sustain protection from HIV in monkeys, with a two-armed approach stimulating both serum and cellular immunity. The findings have broad implications for immunologists pursuing vaccines for other diseases, particularly those caused by coronaviruses.
Neuroscientists at York University developed five predictive models using non-motor clinical and biological variables to detect early-stage Parkinson's disease. The models achieved over 80% accuracy in distinguishing early-stage Parkinson's from healthy controls, offering a potential alternative to traditional diagnosis methods.
Researchers at Tokyo University of Agriculture and Technology used nonlinear mathematical modeling to study tractor instability caused by bouncing and sliding. The model helped identify conditions that lead to catastrophic vibrations, allowing for better control of automated agricultural systems and protection of farmers' safety.
New research from the University of Stirling and University of Glasgow reveals that Eurovision voting patterns can indicate the likelihood and nature of business exchanges across borders. The study found correlations between voting bias and levels of foreign direct investment, migration movements, and cross-border mergers.
Researchers at Kyoto University found that snakes and frogs engage in a delicate waiting game, where each animal waits for and anticipates its opponent's actions. This allows them to predict successful capture or escape outcomes.
UVA Health's telehealth tools improved patient care and healthcare provider safety during the Ebola outbreak. The Isolation Communication Management System (iSOCOMS) allowed doctors to provide personal, high-quality care while conserving vital PPE.
A Max Planck research team led by Tobias Erb developed an artificial chloroplast platform capable of capturing and converting greenhouse gas carbon dioxide with light. The system, created using synthetic biology and microfluidics, outperforms previous synthetic-biological approaches in binding rates for carbon dioxide.
Researchers have developed a cheap and simple way to create biofuel and fertiliser from seaweed, removing plastic from the oceans and cleaning up tourist beaches in the Caribbean and Central America. The process uses acidic and basic catalysts to release sugars that can be used to feed a yeast that produces a palm oil substitute.
A new study led by Columbia University's Mailman School of Public Health found that the opening of a FreshDirect warehouse in Mott Haven, Bronx, increased truck and vehicle flow, leading to small increases in air and noise pollution. The researchers estimated increases of 0.06 dBA (noise) and 0.003 µg/m3 (black carbon air pollution).
Researchers found that ancestry affects variations in hundreds of genes, but most significant differences are tissue-specific. The study analyzed data from 10,678 patients across 33 cancer types, revealing specific organ and tissue-type associations.
Researchers studied 45 female colobus monkeys in Ghana to understand the impact of social groupings and distance on their gut microbiomes. They found that individuals from different groups with closer social connections had more similar gut microbiomes, suggesting microbes can be transmitted during occasional encounters.
A new analysis by an international team of researchers confirms that Homo sapiens created the earliest modern artifacts in Europe, dating back to around 45,000 years ago. The findings challenge the long-held assumption that Neanderthals were responsible for these advanced technologies.
The study by UC San Diego researchers develops a scalable method to produce microalgae-based polyols from waste oils, creating valuable monomers for sustainable bio-plastics. The team also converts co-products into food flavoring and fragrance molecules, with economic value.
Visits for mental health disorders rose 60%, while deliberate self-harm increased 329%. The rate of substance use disorders also saw a significant rise. To address this, researchers recommend improved preparedness and screening for suicidal ideation in emergency departments.
A new scientific statement from the American Heart Association suggests that healthy eating habits in childhood can reduce the risk of adult obesity and heart disease. Allowing children to choose their food options within a healthy environment encourages positive eating behaviors and weight management. Parents and caregivers should foc...