The Milky Way's circumgalactic medium (CGM) has a disk-like geometry, with denser areas where stars are forming and material is being traded between the galaxy and the CGM. The discovery provides insight into the galaxy's formation and evolution, as well as its interaction with the surrounding universe.
A new study in Marketing Science suggests that when consumers learn about products from others, high-quality businesses should increase their advertising spending to prove quality. Conversely, when all consumers share their experiences, a high-quality business may benefit from reducing its ad spend.
A large-scale study found significant associations between air pollution and an increased risk of hospital admissions for several neurological disorders. The research analyzed data from over 63 million US adults and linked fine particulate pollution with higher rates of Parkinson's disease, Alzheimer's disease, and other dementias.
Researchers have discovered a unique type of silk produced by the Australian basket-web spider, which is rigid and robust. The study suggests that this silk could be used to create a new genetic material with potential applications.
A study by West Virginia University researchers found a sharp uptick in inquiries about end-of-life care during the COVID-19 pandemic. The Center's e-Directive Registry saw an increase in DNR cards and Physician Orders for Scope of Treatment forms, indicating a growing need for advance care planning.
WEHI researchers used 'single cell multi-omics' to identify a previously unknown lymphocyte progenitor, which could give rise to T and B lymphocytes. This discovery adds a new layer to the immune family tree and provides insights into how these cells develop.
Researchers found that communities with multiple mutualist species are better equipped to withstand the negative effects of cheaters, as there are backup species to perform the same task. This is because having multiple species with similar roles provides a backup in case one species goes extinct.
A study by Université de Genève analyzed 911 tree species in Geneva's urban spaces and found that most native and non-native species provide similar ecosystem services. Despite some drawbacks, the research concludes that introduced species can have a beneficial role in certain contexts.
Researchers have developed a new model of landslide-induced tsunamis that accounts for the initial location of the landslide body on the shelf slope. The study reveals that tsunami height is affected by the coastal slope and the position of the land mass before slipping, leading to more accurate predictions.
A new study published in Environmental Research Letters reveals that tropical cyclones have been moving faster across ocean basins since 1982, with the North Atlantic experiencing an increase in hurricane frequency. The researchers attribute this trend to a combination of natural and human-induced climate change.
Marine sediment shows similar overall diversity to topsoil and seawater, despite decreasing microbial community diversity with depth. Key factors influencing taxonomic composition include organic carbon concentrations and dissolved oxygen presence.
A team of researchers from Arizona State University compared the sun's composition to ancient materials formed in the solar system, finding that oxygen isotopes were inherited from the protosolar molecular cloud. This suggests that ultraviolet light processing occurred before the solar nebula formed.
A study analyzing silicon isotope composition of diatoms reveals a significant increase in silicon availability in the 20th and 21st centuries. Climate records show an increase in wind strength, which contributes to nutrient upwelling from Lake Baikal's depths.
Researchers will investigate chromatin organization within cells and how it changes over time to identify disease targets. The study aims to develop navigable maps of chromatin architecture across multiple cell types, enabling new treatments for a range of diseases.
A study analyzing US Immigration and Customs Enforcement (ICE) data found that sanctuary policies decrease overall deportations, particularly among individuals with violent convictions. However, crime rates remain unaffected, suggesting that sanctuary policies do not threaten public safety.
Researchers at Sandia National Laboratories have developed a new device that more efficiently processes information using non-volatile computer memory. The breakthrough could revolutionize technologies like voice recognition, image processing, and autonomous driving by reducing energy consumption.
A new modelling study by researchers at UCL and Yale found that paper recycling may increase greenhouse gas emissions unless powered by renewable energy. The study suggests that modernising landfill practices and using renewable energy can reduce emissions significantly.
Research by Sahar El Aidy and her team from the University of Groningen found that gut bacteria can deaminate levodopa, a main treatment for Parkinson's disease, into DHPPA, reducing gut motility. This metabolite may worsen constipation in patients with Parkinson's disease.
Researchers at Ohio State University developed a new lab testing procedure for detecting neutralizing antibodies against SARS-CoV-2, which can protect against re-infection and block viral replication. The assay found that ICU patients had the highest concentration of neutralizing antibodies, while healthcare workers had the lowest levels.
Researchers have developed a chip-based technology that generates high-resolution sound profiles with intense sound pressure. This allows for more effective and easier ultrasound therapy, potentially benefiting patients with cancer, brain conditions, and other diseases. The technology also enables the creation of organoid models for dr...
A team of researchers at the University of Pennsylvania School of Medicine has demonstrated a new method to rebuild complex body tissues using a magnetic field and hydrogels. This technique allows for the creation of engineered tissues with natural tissue-like properties, including a cellular gradient.
Archaeologists discovered a rare and unusual collection of artifacts at a Classic Maya sweat bath in Guatemala, suggesting the structure was embodied by an amphibian goddess. The offering included human remains, juvenile animals, and stone tools, indicating the community's attempt to appease the goddess for survival.
A new study found that early-arriving endangered Chinook salmon experience an additional 20% mortality due to sea lion predation. The study also showed that the numbers of California sea lions are highest at the mouth of the Columbia River, increasing exposure to predation.
Researchers at the University of Sydney have developed a new method to predict speech perception for individual recipients, enabling personalized cochlear implant configurations. This study aims to further improve the performance of cochlear implants in noisy environments.
A study published in IEEE Transactions on Power Electronics detects the earliest stages of failure in silicon carbide power electronics through real-time acoustic monitoring. The researchers found that increasing acoustic emission signals correspond to progressive damage to aluminum ribbons, allowing for early warning of device failure.
A recent US Air Force study found that nutrition has a significant impact on both physical and cognitive performance. The study revealed that consuming the right nutrients, such as omega-3 fatty acids and lutein, can improve working memory, reaction time, and muscle mass.
A research team led by Marisol Soengas discovered that melanoma cells use the MIDKINE protein to evade the immune system, leading to increased resistance to immunotherapy. Blocking MIDKINE can restore normal immune function and lead to tumor attack.
Researchers found that an immune protein in squid controls the movement of immune cells to deliver nutrients to bacteria, influencing daily rhythms. This discovery could provide clues on factors affecting human microbiome rhythms and has implications for understanding symbiotic systems.
A new sex education program for Muslim teens, Sex Education in the Mosque, has been developed to address HIV prevention and promote abstinence. The program, grounded in Islamic teachings, showed significant gains in knowledge and positive attitudes among adolescent participants.
A recent review from LSU Health New Orleans found an association between heat-not-burn tobacco products and increased risk of heart problems, cell death, and circulatory dysfunction. The study highlights the need for further research into the health effects of these products.
New research reveals that our brains favor experiences that end well, weighing the final moments more heavily than the rest of the experience. This 'happy ending effect' can lead to bad decisions when choosing whether to repeat an experience.
Researchers have found a decline in sea turtle sightings off the coasts of the UK and Ireland over the past few decades. The study suggests that factors such as climate change, prey availability, and environmental disasters may be influencing this trend.
An all-female scientific coalition is advocating for a Marine Protected Area in the Western Antarctic Peninsula to mitigate the impacts of climate change on threatened species. The proposal aims to conserve and protect the unique ecosystem and its wildlife, including penguins, whales, and krill.
New research found that IVF success rates are higher at clinics sharing more data than required, leading to healthier babies. Clinics with high transparency had greater success rates in achieving pregnancy and birth.
Research suggests that individuals born with high birth weights may be at higher risk of developing atrial fibrillation later in life. A study found that participants with a birth weight 482 grams above the average were 30% more likely to develop the heart rhythm disorder. The researchers recommend adopting a healthy lifestyle and payi...
Researchers found that combining Th1 cytokines IFN-gamma and TNF-alpha with the small molecule Akt antagonist MK-2206 maximizes indicators of apoptotic cell death in breast cancer cells. The study also suggests a combined therapy approach for Akt-targeting drugs that incorporates recombinant Interferon-gamma.
Researchers found that loss of flight allowed ants to reorganize their thorax muscles, increasing strength and power. This adaptation enabled worker ants to carry heavy loads back to their colonies, a key factor in their social success.
Researchers at Terasaki Institute create wearable pressure-sensitive devices using a gelatin-based hydrogel that offers superior elastic properties and skin compatibility. The device enables real-time monitoring of vital signs with high sensitivity and consistency.
A team of scientists from KAUST has rediscovered the value of an old technique in studying proteins through NMR spectroscopy. By re-examining the molecular motions of proteins, they found that dynamic NOE provides more accurate information about protein flexibility and is less prone to errors, especially in flexible regions.
The OPTIMIZE trial found that the new stent did not meet non-inferiority criteria due to high TVMI rates from high-sensitivity troponin biomarkers. However, independent analyses demonstrate non-inferiority with comparable relative non-inferiority margin, suggesting potential for improved clinical outcomes
A randomized trial comparing a nano-coated coronary stent with shorter dual anti-platelet therapy (DAPT) to a drug-eluting stent (DES) with guideline-recommended DAPT duration found no reduction in bleeding or thrombotic events. The study included 996 patients and found the rate of bleeding in the test group was 7.5% compared to 8.9% i...
Researchers demonstrate that epithelial cells can induce phenotypic and genotypic changes in HER2-positive breast cancer cells, known as cancer cell redirection. This phenomenon restricts proliferation of tumorigenic cells and shifts gene expression profiles towards a non-tumorigenic epithelial profile.
Researchers found that rice paddies with a history of being wetlands support more wetland plant species. Land consolidation and agricultural abandonment negatively impact biodiversity. The study's findings may inform conservation efforts and promote sustainable agriculture in the Asian monsoon region.
A randomized trial found that durable polymer drug-eluting stents are non-inferior to biodegradable polymers in patients with acute coronary syndrome, with a higher risk of device-oriented composite endpoint. The study suggests improved outcomes for patients with significant coronary stenosis and eligible for stent implantation.
The researchers synthesized a unique molecule that absorbs near infrared light, despite having only hydrogen and carbon atoms. The molecule's narrow gap between its highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) makes it useful for developing next-generation solid-state materials.
Researchers at George Mason University's College of Education and Human Development will provide professional development to English language professionals worldwide through an 8-week Global Online Course. The course, launched in August 2020, aims to improve teaching practices for young learners.
Researchers at uOttawa have created a new method to measure the temporal evolution of electric fields with optical frequencies, facilitating direct measurement and leading to breakthroughs in high-speed electronics. The new approach uses ambient air, simplifying the process and opening up possibilities for petahertz electronics.
Researchers found genes involved in sensory perception showed accelerated evolution, including those for light perception, dim-light vision, and retina development. The study also identified 32 genes related to DNA packaging and chromosome condensation, which may enable owls to channel light more efficiently.
The DEFINE-FLOW study found that vessels with abnormal FFR (<0.8) but intact CFR (>=2.0) do not have non-inferior outcomes compared to those with normal FFR and CFR when treated medically. The study's results suggest that invasive CFR assessment may not be necessary for lesions with preserved coronary flow reserve.
OnSight Medical's AI-based software provides real-time expert-level scans with high-quality 4D images, enhancing access to cardiac ultrasound in underserved populations. The company won the TCT Connect 2020 Shark Tank Innovation Competition and received a $200,000 award from the Jon DeHaan Foundation.
Scientists mapped the location and size of over 1.8 billion trees using powerful supercomputers and machine learning algorithms, discovering billions of trees in arid regions. The study provides vital information for researchers, policymakers, and conservationists, including accurate counts of trees and their carbon storage potential.
A new study by psychologists at Zhengzhou Normal University found that effective risk communication mitigates emotional contagion and anxiety, while inconsistent findings suggest a reciprocal correlation between anxiety and risk communication. The study analyzed data from January to February 2020 and showed that prevention activities w...
Virginia Tech researchers are exploring the biomechanics of snake flight, focusing on undulation patterns that allow the snakes to glide through the air. They aim to uncover the fundamental fluid mechanics underlying this complex behavior, which could lead to advancements in robotics and aerodynamics.
Researchers recommend pooled testing to boost testing capacity and track asymptomatic cases in key workers. Several countries have successfully used this approach, such as China and Germany.
Research from the University of East Anglia found that nearly a quarter of healthcare workers experienced PTSD symptoms during acute pandemic phases, with elevated levels of mental distress also reported. The study aims to inform hospital managers on resources required to support staff through difficult times.
Researchers developed nanoparticles that release bursts of calcium inside tumor cells, inhibiting drug pumps and reversing MDR. The treatment showed significantly smaller tumors in tumor-bearing mice with no apparent side effects.
New research suggests that high fructose intake may drive aggressive behaviors, ADHD, and bipolar disorder by triggering a foraging response. This process, meant for survival during starvation, can lead to impulsive behavior in excess sugar intake.
The University of Surrey has made significant advancements in perovskite tandem solar cells, achieving higher power conversion efficiencies through adjustments to thickness and the development of more effective protective layers. This progress holds promise for accelerating commercialization and promoting a shift towards green energy.
Researchers found evidence of past permafrost thawing in Arctic Ocean sediments during past climate warming events. The study suggests that even a few degrees Celsius of Arctic warming could trigger massive permafrost thawing and release of greenhouse gases, posing a risk to the climate system.
The researchers found that even in ideal conditions, quantum superposition leads to rare events with higher heat dissipation than the Landauer limit, which challenges traditional understanding of information erasure. This finding has significant implications for future quantum chips and thermodynamics.