Researchers at the University of Tokyo have created a simple device to convert circularly polarized visible laser light into circularly polarized vacuum ultraviolet light, twisted in the opposite direction. This new method can be useful for researchers in medicine, life sciences, molecular chemistry and solid state physics.
Ancient fox diets show a shift from natural food sources to human leftovers around 42,000 years ago. Foxes adapted to humans as they populated the region, indicating early human impact on local ecosystems.
A new UBC study reveals that older adults experienced greater emotional well-being and felt less stressed during the pandemic compared to younger and middle-aged adults. Positive events, such as remote social interactions, also helped increase positive emotions across all age groups.
A systematic review and dose-response meta-analysis found diets high in plant protein are associated with a lower risk of death from any cause. Plant protein intake was also linked to reduced risks of cardiovascular disease and cancer mortality.
The 'Gamma Factory' initiative aims to develop a high-intensity gamma rays source using accelerated ion beams and laser beams. This will enable detailed investigations into atomic nuclei and facilitate breakthroughs in spectroscopy.
Researchers mapped the thalamic reticular nucleus (TRN) and found two distinct subnetworks of neurons with different functions. This could lead to specific targets for designing drugs to alleviate sensory, sleep, and attention symptoms in autism.
The FDA has issued a positive response to C-Path's biomarker panel for detecting acute drug-induced skeletal muscle injury in phase 1 clinical trials. The panel, developed by C-Path's Predictive Safety Testing Consortium and Duchenne Regulatory Science Consortium, uses four molecular biomarkers to aid in the detection of this condition.
Researchers at Hollings Cancer Center are studying T-cell exhaustion in the tumor microenvironment to discover ways to revitalize immunity against tumors. The team's work may lead to a new approach for immunotherapy by targeting the stress response that undermines T-cell function.
A new study found that a wider range of temperatures can improve health satisfaction and reduce cardiorespiratory conditions in healthy individuals. However, for vulnerable populations, a narrower temperature range may be safer. The researchers suggest a balance between temperature variety and protection from extreme temperatures.
A 2,000-year sedimentary archive from the Blue Hole in Belize provides insights into climate change and its impact on storms in the Caribbean. The study shows that hurricane activity has increased over the past 1,885 years, with a significant shift in frequency and intensity starting around AD 900.
Dr Patricia Ganz shares her expertise on assessing quality of life in cancer patients, with a focus on breast cancer survivorship. She highlights the importance of centering patients' needs in both US and UK healthcare systems.
Restricting handgun sales to those aged 21 could save hundreds of young lives each year in the US, say researchers. State policies with a minimum age of 18 were linked to increased suicide rates among adolescents.
A study from Binghamton University found that each additional year of school equates to an earnings increase of 18-20% in South Africa. Cognitive skills also play a significant role in determining wages, with memory and orientation being more important in rural areas.
Researchers found that solid-state and melt polymerization mechanisms differ in the number of broken bonds, leading to unique kinetic behaviors. This discovery opens up possibilities for designing materials with desired properties.
A study found that malaria drug chloroquine does not inhibit SARS-CoV-2 infection in human lung cells, raising concerns about its potential use as a COVID-19 treatment. The research highlights the importance of using relevant cell lines in clinical trials to ensure effective treatments.
Cynthia Keppel, a leading US Department of Energy scientist, will receive $1 million to develop new detector technologies for nuclear physics research and cancer treatment. The collaboration aims to improve GEM detector systems with high spatial resolution.
A research team mapped molecular changes in cells near amyloid plaques, finding two co-expression networks that respond to amyloid beta deposition. These networks, expressed by astroglia, microglia, and oligodendrocytes, show both protective and damaging effects on the brain, highlighting the complexity of Alzheimer's disease.
Researchers discovered 67% of examined sharks contained microplastics and man-made fibers, emphasizing the widespread nature of plastic pollution. The study highlights potential sources of microplastic contamination, including fishing lines and textile waste.
Researchers have found that the Lahontan Cutthroat Trout population at Summit Lake remains stable despite climatically induced drought, thanks to a blend of science-based research and tribal cultural practices. The team's study provides valuable insights into restoring other Nevada lakes with similar trout populations.
Researchers have discovered an active methane seep in Antarctica, which provides new insights into the methane cycle and its role in global warming. The study reveals that microbes around the seep are fundamentally different from those found elsewhere in the world's oceans, allowing scientists to better understand how methane cycles work.
A global study found sharks are functionally extinct on nearly one in five of the world's reefs. The survey, published in Nature, covered 371 reefs across 58 countries and revealed that sharks were rarely seen on close to 20% of those reefs.
Researchers have identified Atg40 as an ER-phagy receptor that curves and folds the ER membrane to facilitate autophagy. This process is crucial for proper cellular function and has significant practical applications in understanding diseases involving ER malfunction.
Researchers identified a strong bias towards U residues in SARS-CoV-2 mutations, suggesting a defense mechanism to degrade the virus. Natural selection allows the virus to adapt, but mutational processes may be hindered by human proteins.
The discovery of Chiquihuite Cave in northern Mexico challenges the long-held theory that the Clovis people were the first human inhabitants of the Americas. The site dates back to 25,000-30,000 years ago, revealing a new narrative on the colonization of the Americas.
Researchers have sequenced the genome of six widely divergent living bat species, uncovering key findings on gene expansions and losses that contribute to bats' unique traits. The study reveals 'fossilized viruses,' evidence of surviving past viral infections, and genetic signatures of ancient viral interactions.
Navatek and UofSC will develop advanced power control systems to intelligently manage ship resources and create a first-of-a-kind digital twin for the US Navy. The partnership aims to drive technological innovation and create jobs in South Carolina.
Researchers at UNH identified rare base-flipping events in an RNA virus that could be used to develop new treatments. The study provides insights into how viral RNAs interact with inhibitors, which could lead to the design of better drugs.
A randomized controlled trial found that nutritional supplementation for 6 months improved cognitive function and brain health in young children living in low-income countries. The supplement high in antioxidants and essential nutrients had a substantial beneficial effect on working memory and cerebral blood flow.
Researchers at UVA have developed an algorithm to classify genomic data using quantum computers, potentially revolutionizing the field of genetic research. The new technology could analyze vast amounts of genetic data exponentially faster than conventional computers.
A University of Queensland study has found that early menstruation increases the risk of hot flushes and night sweats at menopause by 50%. Women who started menstruating before age 14 had a higher risk of experiencing both symptoms, with obesity playing a significant role.
Researchers at Iowa State University studied the impact of microbubbles on brain cells during traumatic brain injuries. They found that cavitation causes cell shrinkage, surface roughening, and increased inflammatory genes.
Researchers at Tel Aviv University found that immunotherapeutic treatment and stress-reducing measures can prevent cancer metastasis development. The critical period around tumor removal surgery is crucial for prevention, which is often overlooked in medical practice.
Researchers have comprehensively described the human tissue virome atlas using next-generation sequencing technology. They detected 39 viral species in somatic tissues from 547 individuals and found associations between virus infection and human gene expression and disease onset.
Researchers discovered a new chemical approach using lithium hydroxide as a catalyst, enabling efficient production of biodiesel from cooking oil waste. The method achieved an average yield of 90% and showed promising results for future studies on biofuel production.
A new study found that subsidized rice and sugar may not improve long-term nutritional outcomes for children in India. The Public Distribution System aims to provide essential nutrients, but the research suggests that limited value foods like rice and sugar may perpetuate unhealthy dietary patterns.
A study examines the link between COVID-19 and anti-Asian hate crimes in the US, revealing vast underreporting and a spike in racist incidents. The researchers found that less than half of Asian hate crime victimizations are reported to police, highlighting the need for increased awareness and action.
A study by MIT researchers found that COVID-19 shutdowns resulted in an 8.3% increase in solar power output in Delhi, attributed to a 50% reduction in air pollution. This demonstrates the impact of reduced emissions on solar panel efficiency and provides valuable data for future models.
A multidisciplinary group of Indigenous scholars, including professors and graduate students from Canada and the US, met in Hawai'i to brainstorm how Indigeneity intersects with AI. Their completed position paper offers diverse perspectives on what AI means and offers to Indigenous peoples, challenging long-held assumptions about Weste...
Researchers at the University of Trento mapped anxiety types differently in human brain, finding stable traits associated with negative thoughts and transient brain activity linked to state anxiety. The study aims to develop new diagnostic tools and treatments targeting chronic anxiety.
Scientists have found that brown-throated three-toed sloths adapt to a primarily diurnal schedule in highly disturbed environments where predators are extinct and food is more accessible. The study suggests that the animals developed a more synchronous pattern of activity to thrive in the challenging environment.
The University of Pittsburgh's CANELa lab is advancing nanoparticle research by modeling metal nanoclusters with exact structures, allowing for accurate theory and investigation of their properties. This breakthrough enables the creation of active sites for catalysis, a key focus of the lab.
A USC-led team found a fasting-mimicking diet combined with hormone therapy may increase the power of cancer hormone drugs and delay resistance in small clinical trials and mouse studies. Researchers observed reduced insulin, IGF1, and leptin levels, leading to potential anti-cancer activity.
A team of Greek researchers evaluate the progress in optical memory domain over past 25 years, shedding light on physical mechanisms behind demonstrated devices and classifying performance metrics. They highlight benefits of different optical technologies and report recent achievements towards advancing memory functionalities.
Researchers at the University of Colorado Anschutz Medical Campus are studying how COVID-19 affects the sense of smell. The team is investigating the role of microvilli in detecting viruses and testing a drug to alter inflammation and viral infection of olfactory epithelium.
Juvenile crown-of-thorns starfish that switch to coral diets early exhibit enhanced growth rates and larger size, leading to increased reproductive capacity. This variation in early development can have significant consequences for crown-of-thorns population dynamics and coral reef ecosystem health.
A new analysis of 426 emergency physicians found moderate to severe levels of anxiety at both work and home, with women reporting higher stress. The study identified key factors contributing to stress, including lack of PPE and inadequate rapid diagnostic testing.
Researchers have developed a new method for treating skin cancer that uses silica nanoparticles to deliver light-sensitive medication, potentially expanding its use to other types of cancer. This innovative approach could increase the effectiveness of photodynamic therapies by penetrating deeper into tissue.
Despite overall improvements in combat casualty outcomes since World War II, research reveals significant spikes in mortality during specific conflicts, including Vietnam and Iraq. Understanding these patterns is crucial for identifying areas for improvement and enhancing military readiness.
Tropical Storm Douglas is strengthening due to low wind shear and warm sea surface temperatures, with the potential to become a hurricane in the next few days. The storm's cloud tops reached as cold as minus 70 degrees Fahrenheit, indicating strong storms capable of generating heavy rainfall.
A study of 22 COVID-19 patient autopsies found a unique pattern of cell death in scattered heart muscle cells, challenging traditional myocarditis theories. The researchers propose several theories to explain the cardiac injury and suggest further investigation for potential treatment interventions.
Researchers found that chronic inflammation alters cell evolution in the colon, leading to a higher mutation rate and increased risk of colorectal cancers. The study also uncovered evidence of positive selection of mutations in genes associated with immune system regulation and cancer susceptibility.
The study found an estimated 187,802 Hoosiers infected with COVID-19 and 1.7% of participants tested positive for the novel coronavirus. Social distancing efforts were shown to minimize transmission, with asymptomatic individuals contributing significantly to infection rates.
New research from the University of Bath reveals that high-quality lab procedures are crucial for identifying effective new molecules. The study found a strong correlation between assay quality, as measured by the Z'-factor, and hit frequency in high-throughput screenings.
Researchers at PPPL discovered a phenomenon that causes vital heat to be lost from tokamaks, which could hinder the operation of fusion devices. The study reveals new insights into how chirping forms and how it affects plasma movement.
A recent review suggests that nitric oxide has promise as a therapeutic to control the replication and rapid spread of SARS-CoV-2. The molecule has shown potential in inhibiting viral replication and regulating inflammatory cascades in pulmonary diseases.
A team of researchers from UMaine and UMass Amherst has developed a novel membrane technology inspired by the pitcher plant, aiming to capture COVID-19 airborne droplets efficiently. The project uses a composite material with a liquid layer on the surface of a membrane to trap pathogenic particles.
A study by Osaka University researchers found that an asteroid of 100 km in diameter was disrupted 800 million years ago and caused a massive meteoroid impact, releasing approximately 30-60 times more material than the Chicxulub impact. This finding suggests that sporadic meteorite bombardment may have affected Earth's environment.
A recent study by Singapore-MIT Alliance for Research and Technology (SMART) found that one-third of ridesourcing trips potentially substitute for public transit. The substitution effect varies by location, with higher rates in city centers and suburban areas, but the study suggests that ridesharing amplifies existing digital divides.
A research team analyzed a 'gel-like' substance discovered by the Chang'e-4 rover, finding it to be an impact melt breccia. The surrounding regolith may have originated from a differentiated melt pool or igneous rocks.
Disagreeing in groups can be difficult, but it's crucial for improvement. Research suggests that a culture where individuals feel empowered to speak up when they disagree is key. Practicing constructive confrontation through regular exercises can help build this skill.