A hydrological model has led to significant advancements in creating a world water map, utilizing public data and citizen science contributions. The model provides accurate predictions for river flow, with areas like the Eastern US, Europe, Japan, and Russia showing high potential for seasonal forecasts.
Researchers discovered that bacteria use a strategy called surface tumbling to slow down and reorient themselves on surfaces. This allows them to escape from surface traps and explore the surface for optimal conditions, leading to colonization and biofilm formation.
A new study by Washington State University researchers found that stressed wood frogs are more susceptible to lethal ranavirus infections in salinity-rich environments. The findings suggest a link between environmental stress and increased disease vulnerability, with implications for wildlife conservation and mass die-offs.
A team of scientists discovered a sensory circuit in worms that allows them to choose between spending energy on self-defence and relying on nearby bacterial protection. The discovery suggests that the presence of E. coli bacteria is crucial for peroxide resistance, which could lead to improved health and longevity in humans.
A Queensland University of Technology study proposes a simple 'odds-and-evens' approach to safely relaxing COVID-19 lockdown restrictions. By allowing people to leave their homes based on odd or even house numbers, governments can balance competing priorities and create valuable experimental data.
A study in seven Front Range emergency departments found that counseling parents on safe storage of guns and medications helped improve safety practices. The results showed a significant increase in parents reporting safer storage practices, with behavioral health counselors expressing enthusiasm for the training.
A new study finds that the UK has the highest overall levels of concern about coronavirus, followed by Spain. Risk perception is influenced by preventative measures and psychological factors such as prosociality and individualistic worldview.
A new evidence review by Oregon Health & Science University researchers shows that using personal protective equipment combined with proper training can lower the rate of coronavirus infections among healthcare workers. The study also found that infection control training and education are crucial in reducing transmission risk.
A new study found that positive health beliefs can reduce blood pressure among stroke survivors, with female patients showing a significant decrease. The study, led by NYU School of Global Public Health, suggests targeted strategies to improve health beliefs may be crucial for managing blood pressure after stroke.
The Association for Molecular Pathology (AMP) has released consensus recommendations to aid in the design, validation and interpretation of clinical genotyping tests for predicting warfarin response. The guidelines define a minimum set of pharmacogenetic alleles for inclusion in clinical warfarin sensitivity genotyping tests.
A genetic study found a strong association between higher alcohol consumption and increased risk of stroke and peripheral artery disease. The study used Mendelian randomization to identify genetic variants associated with these conditions, suggesting that blood pressure may be the underlying mechanism.
Researchers developed a miniature human vein device called Vein-Chip to study changes in vein wall cells and blood flow that lead to DVT. The technology allows for testing various factors such as gender and ethnicity to predict DVT risk, paving the way for personalized therapies.
Researchers developed an ultra-high resolution imaging technique using Extreme Ultraviolet radiation, producing extraordinary detail compared to traditional light microscope images. The method has the potential to aid the analysis of neurodegenerative diseases like Alzheimer's disease.
A recent study found that firms perceived to fake social responsibility are no more likely to experience data breaches than those with strong CSR records. In fact, firms with seemingly disingenuous CSR efforts are at increased risk of breach. This 'greenwashing' phenomenon makes them attractive targets for security exploitation.
A new genetic risk score identified more men at increased risk for abdominal aortic aneurysm and could benefit from screening to detect it prior to rupture. The study suggests that current screening recommendations should be extended to include testing for those with high polygenic risk scores.
A new study led by Dr. Rohit Kohli shows that stevia extract can reduce markers of fatty liver disease, improving glucose levels and reducing cellular stress. The findings suggest potential benefits for pediatric patients with non-alcoholic fatty liver disease.
Researchers discovered significant antioxidant activity and enzyme inhibition in various culinary herbs, including rosemary, oregano, and lemon myrtle. These findings suggest that these herbs may have preventive effects on cardiovascular diseases and type 2 diabetes, as well as cognitive decline.
ORNL's LandScan USA high-resolution population distribution database is now publicly available, aiding in COVID-19 research. Researchers also demonstrated a 20-kilowatt bi-directional wireless charging system on a UPS truck, advancing electric vehicle charging and energy storage.
A new COVID Symptom Tracker app has generated over 2.5 million daily reports from individuals in the US and UK, providing insights into COVID-19 hot spots and new symptoms. The app may inform guidelines on self-isolation and hospital capacity planning.
Researchers have developed a material that can desalinate water up to 40 times faster than other materials, using electrostatic forces to attract salt ions. The porous carbon fibers have high surface areas and electrical conductivity, making them suitable for applications such as batteries and cars.
A new study explored the relationships between pubertal changes, ethnic-racial identity, and mental health in young African American and Caribbean Black males. The study found that positive levels of ethnic-racial identity buffered the effects of early puberty, leading to higher self-esteem and lower symptoms of depression. The finding...
Researchers developed a quantum photonics prototype using hyperbolic metamaterials to achieve high-efficiency single-photon sources with broad spectral bandwidth. The tilted geometry suppresses light reflections, enabling faster photon extraction and paving the way for on-chip quantum networks.
A new biocontrol agent, Dactylopius opuntiae 'stricta' biotype, has been found to be the most cost-effective method for controlling the invasive Opuntia stricta in Laikipia County, Kenya. This approach has shown significant reduction in the number of cladodes, flowers, and fruit of affected plants.
A study published in Nature Communications reveals distinct urinary biomarker proteins for lupus nephritis in African American patients. The findings suggest that the ALCAM protein may be a promising therapeutic target. Researchers plan to conduct a longitudinal study to predict disease flares and improve treatment options.
Researchers found that heating N95 masks preserves their filtration efficiency for 50 cycles of disinfection. Heating at 185 F for 20 minutes was the most effective method, while ultraviolet radiation allowed up to 20 cycles of disinfection but could be problematic.
Researchers at Université de Montréal have created a colorimetric test that detects changes in colour to show how maple syrup tastes, validated by analyzing 1,818 samples. The artificial tongue can distinguish between 60 categories of taste and is useful for producers.
The COVID-19 Symptom Tracker app uses user-reported symptoms to predict COVID-19 incidence hotspots up to a week in advance. Positive tests are often predicted by combinations of three or more symptoms, including fatigue and cough.
Researchers at the University at Buffalo have discovered that hematopoietic stem cell transplantation improves Krabbe disease outcomes through a mechanism independent of cross-correction. The study found that macrophages expressing GALC enzyme aid in myelin debris degradation, leading to better patient outcomes.
Researchers developed an AI tool to automatically diagnose atrial fibrillation and five common ECG abnormalities, comparable to human diagnosis. The AI was trained on a large database of manually diagnosed ECGs and shows great potential for improved cardiovascular care in low-income countries.
A global study is being conducted to examine the impact of COVID-19 on mental health and wellbeing, involving a survey of 30 countries. The research aims to provide evidence-based guidance for policymakers to address population-based emergencies and foster growth after crises.
A recent study found that participants were more likely to choose non-alcoholic drinks when presented with eight options, including increasing the proportion of non-alcoholic drinks. The study suggests that interventions to encourage healthier food and drink choices may be effective by changing the relative availability of options.
Several hepatitis C drugs and a natural substance from Japanese honeysuckle have shown high affinity to bind SARS-CoV-2, potentially preventing infection. The study's results need to be verified in laboratory experiments and clinical studies.
Researchers analyze social distance continuum, categorizing influences as distal (larger groups) or proximal (individuals with strong ties). Joint journeys involve interdependent utilities and decision-making among multiple consumers.
Researchers found that on days with little atmospheric moisture, afternoon rainfall is more likely over wetter soils, while on days with high moisture, it's more likely over drier soils. Warmer morning temperatures also contribute to the likelihood of afternoon rainfall.
Research found that gardeners report better general health, psychological wellbeing, and physical activity levels compared to non-gardeners. Access to private gardens and outdoor spaces also showed significant benefits for mental health.
Researchers at RMIT University designed a solar chimney that optimises energy saving and fire safety, increasing evacuation time from two minutes to over 14 minutes. The design maximises ventilation for cooling and sucks smoke out of the building in case of fire.
A McMaster University study found that half of online vaccination information on chiropractors' websites was removed after media coverage. The removal was associated with a large increase in Canadian media attention on anti-vaccination statements by some chiropractors.
Researchers have produced a new theoretical calculation that refines one piece of the muon anomaly puzzle, sharpening the understanding of how subatomic particles interact. The study uses lattice QCD to analyze hadronic contributions and controls for errors, providing new insights into particle physics.
Researchers at UTA are developing a rapid-response supply chain to deliver COVID-19 medications to underserved populations in Houston. The project aims to free up hospital capacity by providing treatments to critically ill patients first.
Researchers at Cornell University have discovered a unique feature in the virus that causes COVID-19, which could explain its high transmissibility. The study identified a structural loop in the spike protein and a specific sequence of amino acids that are different from other human coronaviruses.
Researchers developed a set of recommendations to manage the mental health of frontline medical workers, including clear communication, training, and infection control procedures. These changes aim to reduce psychological distress among clinicians during viral outbreaks.
Researchers mapped lymph node lymphatic vessels in mice and humans at the individual cell level, discovering five distinct groups of cells with similar functions. The study provides valuable insights into immune system function and will aid in developing new treatments for viral diseases and cancer.
A nationwide effort is underway to test whether human milk contains the SARS-CoV-2 virus, a critical question for breastfeeding mothers who test positive for COVID-19. The study, funded by the Bill and Melinda Gates Foundation, will provide comprehensive testing of human milk samples and inform health officials' advice.
Researchers are developing new metal catalysts for drug discovery, potentially offering lower therapeutic dosages and fewer side effects. The project aims to create synthetic forms of biological macromolecules that detoxify aldehydes, addressing biochemical imbalance and disease development.
Researchers use computer simulations to model the expansions of four archaeological cultures in South America, showing that some expansions may be due to similar demographic processes as the Neolithic in Eurasia. The study found that population growth and migration can explain the spread of these cultures across vast distances.
JAMA Network commemorates 40 years of publishing A Piece of My Mind essays, featuring personal vignettes on the human side of medicine. Over 1,300 essays have been published since 1980, covering various medical topics.
A new study found that methylene blue reduces tissue damage, inflammation, and degree of necrosis in intestinal ischemia-reperfusion. The drug also improves heart rate and blood pressure in animals.
Researchers at Penn State have developed a new supercapacitor based on manganese oxide that combines the benefits of batteries and other supercapacitors. The device has high energy density and power, making it suitable for electric vehicles and wearable electronics.
A miniaturized Bluetooth device can detect glucose and fructose molecules in fermentation processes over days, enabling the study of metabolites and disease. The device has an accuracy above 98% and can transmit data wirelessly for up to 24 hours.
A Tel Aviv University study reveals a direct connection between electrical fields in the atmosphere and those found in living organisms, including humans. This finding may lead to revolutionary medical treatments for illnesses such as epilepsy and Parkinson's disease.
A team of Emory scientists compared the most common inherited form of amyotrophic lateral sclerosis and frontotemporal dementia with spinocerebellar ataxia type 36. They discovered that protein products can poison cells in one disease but not the other, providing new insights into their pathological mechanisms.
Scientists propose integrating oceans into climate policies, highlighting four areas of investment: energy, transportation, food security, and habitat restoration. Aquaculture and sustainable fisheries also hold potential for reducing emissions and enhancing the food supply.
Long-term buprenorphine treatment is associated with improved health care outcomes, including lower prescription opioid use and opioid-related events. Patients with continuous treatment had significantly lower rates of overdose events, inpatient and emergency department services, and prescription opioids use compared to those who disco...
New research suggests that logging of native forests significantly increases fire risk and severity, exacerbating Australia's recent catastrophic bushfires. The study highlights the importance of preventing logging in moist forests and reducing forest fragmentation to mitigate future wildfires.
A study published by King's College London found that spaceflight and combined oral contraceptive pill use do not increase the risk of venous thromboembolism in female astronauts. The research looked at 38 flights between 2000 and 2014 and proposed more frequent blood tests during astronaut selection and training.
A new study by Georgia Institute of Technology found that humans hold strong biases against robot competence in various jobs, despite the lack of gender bias. Participants trusted robots only to perform simple tasks, while assigning lower competency ratings to professions like surgery and comedy.
Researchers discovered that inhibiting heat shock protein 90 in the spinal cord enhances opioid efficacy and decreases side effects. Hsp90 inhibitors could enable dose-reduction strategies for patients while maintaining pain relief.
Researchers at USF Health and Johns Hopkins Medicine developed a new treatment for necrotizing enterocolitis (NEC) by inhibiting the blood-clotting molecule thrombin with nanoparticles. The therapy, which was tested on newborn mice, showed promise in preventing NEC-like injury.
Researchers at Penn State discovered that manipulating a single gene can induce stress memory in plants, giving them increased vigor and productivity. This epigenetic technique allows for non-genetically modified crops with improved resilience.
UCLA chemists have reported the key chemical discovery necessary for creating a small, electronic marijuana breathalyzer. The research uses electricity to change the chemical structure of THC, the primary psychoactive ingredient in marijuana, making it easier to detect whether a person is impaired.