Researchers at the University of Arizona Laboratory of Tree-Ring Research used a hybrid approach to assign calendar dates to tree rings, potentially pinning down the Thera volcano eruption date. The study spans over 2,000 years and provides context for civilizations in the Bronze and Iron Ages.
Researchers at MD Anderson Cancer Center propose using glucose transporter inhibitors to treat tumors with high expression of the SLC7A11 amino acid transporter. This approach targets cancer cells' dependency on glucose for survival, selectively killing 'addicted' cells.
A majority of New York City residents (56%) think federal assistance is insufficient to manage the COVID-19 crisis, while anxiety over job loss and housing issues continues to escalate. The pandemic's impact on mental health is stark, with 44% reporting feelings of nervousness or depression.
A new study suggests that local doctors in rural areas can safely and effectively care for patients with left ventricular assist devices, reducing travel burdens and improving survival rates. Shared medical care eliminates the need for extensive travel, eases financial and emotional strains on patients.
A study by Ohio State University found that social media users pay less attention to the source of content when it's jumbled with entertainment, leading to a higher risk of mistaking satire for real news. This can result in the spread of misinformation and fake news.
A 10-year study found no significant differences in death, heart attack, or stroke rates between cardiac stenting and CABG for patients with left main coronary artery disease. However, more patients receiving a stent needed a repeat procedure to unblock the same artery.
Researchers found that Nafamostat can inhibit the fusion of viral envelope with host cell membranes, a crucial step in COVID-19 infection. The study showed that Nafamostat is more effective than Camostat at lower concentrations, making it a promising candidate for treating COVID-19.
A new study by University of Michigan-led researchers found that West African lions do not favor life inside park boundaries over hunting concessions. Habitat quality in national parks is inadequate, leading to a lack of preference among lions.
Using radial artery instead of saphenous vein reduces death, heart attack and repeat revascularization procedures by 23-38%. Women benefit most from this approach. Further confirmation needed through larger randomized trial.
Studies confirm that breast reduction surgery significantly improves physical health, including pain levels and physical function, as well as mental wellbeing. Women of all shapes and sizes benefit from the surgery, including overweight or obese individuals who were previously barred from the procedure.
Researchers at Flinders University have discovered a complex array of sensory nerve endings in the lower colon that can detect sensory stimuli and communicate with the spinal cord. This breakthrough could lead to new medications to treat disorders related to gut-to-brain communication.
Women with postpartum psychiatric disorders are less likely to have more children, with 69% still choosing to have a second child. The study found that nearly half of women with psychiatric problems had a reduced live birth rate due to hospitalization or fear of relapse.
A new online platform, CovED, aims to improve COVID-19 diagnosis by providing healthcare workers with rapid training and image-based diagnostic tools. Developed by DetectED-X, the platform can be accessed for free and is supported by leading corporations and healthcare experts.
New research addresses diagnostic stewardship for SARS-CoV-2, recommending test utilization and frequency based on patient risk factors. The study highlights the importance of considering individual factors, such as age, symptoms, and exposure history, when deciding when to test.
Researchers from The Graduate University for Advanced Studies uncovered the oldest Japanese astronomical record of a 'red sign' which may have been caused by a strong magnetic storm. This ancient literary reference was previously believed to be an unexplained phenomenon but modern science has now provided a convincing explanation.
A recent survey of 2,025 cardiologists found that over a third report feeling burned out, with mid-career doctors and women being the most affected. Burnout is linked to long hours worked and lack of work-life balance.
A University of Massachusetts Amherst researcher studied ER caregivers' on-the-job emotions and found that hospital and societal issues trigger overwhelmingly negative emotions. The study highlights the need for emotional intelligence training in healthcare education to promote meaningful discussion about emotions.
A team of researchers used machine learning to study complex spin models, revealing key similarities between distinct phases. By training an AI on one model and applying it to another, they found that the algorithm could correctly classify phases and identify temperature transitions.
Vericiguat, a novel guanylate cyclase stimulator agent, has shown significant benefits in reducing negative health events in patients with worsening chronic heart failure. The VICTORIA trial demonstrated an absolute reduction of 4.2% in patients already receiving optimal care.
A study published in JAMA Network found that COVID-19 is associated with increased risk of fatal cardiovascular outcomes in patients with underlying cardiovascular disease. The researchers evaluated the relationship between pre-existing heart conditions and myocardial injury on patient mortality rates.
A new review published in Nutrition Reviews suggests that a plant-based diet can help prevent and manage asthma. The study found that consuming fruits, vegetables, whole grains, and other high-fiber foods can be beneficial for asthma patients, whereas dairy products and high-fat foods can exacerbate symptoms.
Researchers found that copper hydroxychloride improves pigs' ability to utilize fat after absorption, leading to increased energy utilization. The element enhances lipid metabolism in the liver, adipose tissue, and muscle, enabling better feed conversion rates and economic savings.
A research team discovered that high-entropy alloys exhibit exceptional mechanical properties at ultra-low temperatures due to multiple deformation mechanisms. The study used in-situ neutron diffraction technique to reveal the sequence of deformation mechanisms, including dislocation slip, stacking faults, twinning, and serrations.
Fluid dynamics experts have long assumed that fluids flow without slipping at solid boundaries, but recent research reveals this may not be true. Tiny microbubbles formed by shear forces can cause slippage, potentially reducing energy losses in industrial applications such as gas and oil suppliers.
CABBI researchers have developed a triad of innovative tools to engineer low-pH-tolerant yeast Issatchenkia orientalis for production of valuable bioproducts. The three tools facilitate genetic expression, DNA assembly, and stability in the yeast strain, enabling its use as a robust organic acid producer.
A new study in the Journal of Marketing finds that consumers use social media and on-site product pages early in their journey for hedonic purchases, while utilizing third-party reviews and search engines closer to the time of utilitarian purchase. The study offers actionable insights for retailers, including investing in social media ...
Researchers studied 16 COVID-19 patients who recovered from symptoms but still shed the virus. Half kept shedding for up to eight days after symptom resolution, with more severe infections potentially lasting longer.
A recent NIH study has identified a genetic mutation that improves cognitive flexibility in mice by modifying a protein regulating potassium channels. The mutation was found to enhance the ability of mice to adapt to changing situations, such as finding a relocated platform.
Researchers at the University of Würzburg have discovered a new quantum state of matter that enables light to be accumulated at a specific point in an optical fiber. This effect, known as a 'light funnel', has the potential to improve the sensitivity of optical detectors and unlock new technological applications.
The Centre for Genomic Regulation has launched a new database to analyze COVID-19 data and compare different variations of the virus. Researchers can use this publicly available resource to study how SARS-CoV-2 grows, mutates, and replicates.
The Journal of the American Geriatrics Society highlights critical points for combating COVID-19, including fostering awareness, managing infections, and empowering decision-makers. The 'ABCDs' provide a framework for long-term care facilities to contain the pandemic.
Land animal die-offs began hundreds of thousands of years before marine extinction, with terrestrial vertebrate species declining by up to 70%, while marine extinctions may have occurred over tens of thousands of years. The study suggests a lag between land and sea extinctions, potentially due to different causes.
Researchers created an equation to estimate plastic ingestion by animals, finding that the largest piece eaten is about 5% of the animal's body length. The study analyzed over 2,000 animals and found shocking examples of plastic pollution, including a sperm whale with hosepipes and flower pots inside.
A team of researchers has developed a new method for generating quantum-entangled photons in the previously inaccessible spectral range of 2.1 micrometers. This breakthrough can enhance the security of satellite-based communications by making end-to-end encryption possible on sunny and cloudy days.
The study examines coronavirus disease 2019's (COVID-19) effects on the cardiovascular system, revealing potential long-term consequences. Researchers highlight the need for further investigation into the relationship between coronaviruses and cardiovascular health.
Researchers from North Carolina State University and the Army Research Office have developed a new model for how competing pieces of information spread in online social networks and IoT. The findings suggest that network size plays a significant role in displacing old data with new, accurate information.
Girls with autism spectrum disorder (ASD) exhibit distinct brain activity patterns, including motor and striatal underactivation to social stimuli, and larger rare copy number variants affecting those regions. Typically developing girls show executive engagement when viewing social stimuli, suggesting resilience to autism.
Researchers at the University of Tokyo have developed a new fluorinated cyclic phosphate solvent electrolyte that improves upon existing ethylene carbonate, offering nonflammable properties and increased voltage tolerance. This breakthrough could lead to longer journeys in electric vehicles and improved fire safety in home energy storage.
Global supply chains account for 10% of all global carbon emissions, which has tripled between 1995 and 2012. Researchers call these emissions "carbon-in-transit," as products move across borders with embedded carbon emissions.
A study found that Russian social media platforms like Facebook and VKontakte exhibit characteristics of McDonaldization, a form of rationality that prioritizes efficiency and profit over human values. This process can lead to the displacement of individuals from meaningful relationships and the loss of personal autonomy.
Researchers discovered that TBK1 mutations in mice with ALS-like symptoms initially slow disease progression but later accelerate it. The study sheds light on the complex relationship between ALS genetics and its mechanisms, highlighting challenges in developing safe treatments.
A recent study by Jennifer Welsh found that various sea creatures, such as sponges, crabs, and cockles, can remove a significant portion of virus particles from seawater. These findings suggest that non-host organisms play an important role in regulating virus populations in marine environments.
A team of researchers found a specific brain region responsible for influencing social behaviors and reward valuations in monkeys. They discovered that this region, the lateral hypothalamus, plays a crucial role in shaping socially motivated behavior.
A new type of solar cell with a wide bandgap perovskite material has been developed to improve efficiency and durability. The researchers achieved a 26.7% efficient power conversion rate in their double layer solar cell, with the material retaining 80% of its initial capability after 1,000 hours of continuous illumination.
Astronomers used ALMA to observe a galaxy with young, powerful jets ejected from a supermassive black hole. The team found clear evidence of disrupted gaseous clouds impacted by the jets' high speeds, providing insight into the evolutionary process of galaxies in the early Universe.
Researchers created a laboratory model of three types of brain cells to study HIV's impact on the central nervous system. The model revealed that HIV infection can take a toll on the brain, causing inflammation and damage. Antiretroviral therapy (ART) can reduce inflammation by around 70%, but also triggers its own unique response.
Researchers find that urea in astronaut urine can be used to soften concrete, making it more pliable and resistant to extreme temperatures. The discovery could help reduce costs associated with transporting construction materials to the Moon.
Researchers have developed an innovative in vivo priming strategy to train human stem cells for improved cardiac regeneration therapy. The technique, using a 3D-printed patch, enhances the survival rate and therapeutic potential of the stem cells after transplantation into failing hearts.
Researchers have discovered a new drug, FL118, that effectively treats and reverses treatment resistance in advanced multiple myeloma. The drug has shown promise in treating cancer cells from both newly diagnosed and relapsed or treatment-resistant patients.
City of Hope researchers used lab-grown brain organoids to study the effects of cytomegalovirus on unborn babies, finding that a strain of HCMV can cause microcephaly by disrupting calcium signaling and brain development. The model could help identify potential therapies for the condition.
Researchers at Rice University have discovered that double-walled carbon nanotubes can create a staggered band alignment, allowing for more efficient separation of positive and negative charges in photovoltaic applications. This effect is caused by the interplay of different curvatures between the inner and outer walls of the nanotube.
The National Gene Vector Biorepository (NGVB) provides valuable resources to gene therapy investigators, including 93 unique reagents and a searchable database of animal safety studies. These resources aim to decrease compliance risks, address clinical trial funding periods, and reduce costs.
Researchers identified a strain of bacteria capable of degrading some chemical building blocks of polyurethane, a thermosetting polymer difficult to recycle or destroy. The discovery represents an important step in reusing hard-to-recycle PU products and reducing toxic waste.
Researchers found high concentrations of microplastic particles in Fram Strait's water column and sediment. The deep sea is a major sink for microscopically small plastic particles, with sediments containing up to 13,000 particles per kilogramme.
Cities with strict early restrictions had lower disease and mortality rates compared to those with fewer and later restrictions. Cities that adopted broad isolation measures, including school closures, mask wearing, and case isolation, saw significant reductions in disease spread.
Researchers compared federal and foundation funding for sickle cell disease and cystic fibrosis, finding that higher funding was associated with increased research productivity and faster drug development. The study suggests that increasing funding could improve treatment options for these two diseases.
At 2-dimensional limit, researchers at Peking University detect novel zero-energy bound states resembling Majorana zero-energy bound states in interstitial Fe adatoms on high-temperature superconducting thin films. These findings exhibit characteristics of Majorana zero mode, a potential building block for topological qubit.
A recent review published in JAMA Cardiology reveals that COVID-19 can cause cardiac injury and worsen outcomes for patients with pre-existing heart conditions. The study found a higher risk of cardiovascular complications in patients over 65 with coronary heart disease or hypertension.
The COVID-19 pandemic has significantly impacted cancer care delivery, leading to concerns about treatment delays and reduced access to care. To address these challenges, experts recommend adopting flexible approaches that prioritize patient needs and minimize disruptions.
A study published in the American Heart Association journal Hypertension finds no credible evidence that ARBs increase COVID-19 susceptibility. Discontinuing these medications would pose significant health risks for patients with hypertension and chronic kidney disease.