A team of researchers led by Zili Shen and Pieter van Dokkum used Hubble Space Telescope to measure the distance of ultra-diffuse galaxy NGC1052-DF2, confirming it lacks dark matter. The results are based on 40 orbits of the telescope and provide crucial implications for estimating the physical properties of the galaxy.
Climate warming has diminished the high-elevation flammability barrier, allowing fires to advance uphill in Western mountains. The area burning above 8,200 feet tripled in just over a decade, with rising temperatures extending fire territory to an additional 81,500 square kilometers.
The Society for Laboratory Automation and Screening (SLAS) has announced its transition to a Gold Open Access publishing model with Elsevier. This change aims to increase public access to innovative life sciences research and drive citations for both SLAS Discovery and SLAS Technology journals.
Researchers found that vaccination with an mRNA vaccine induces antibody responses that would protect humans from infection with the gamma/P.1 variant, while hamsters previously infected with earlier strains were also protected nine months later. Previous SARS-CoV-2 infection and vaccines based on earlier strains still provide protecti...
The Quaise approach uses millimeter wave technology to melt rock, creating a strong glass liner that prevents the hole from collapsing. The technology also automatically removes vaporized rock using existing compressor technology, making it economically feasible and practical for widespread adoption.
A study found that exposure to natural spaces, both public and private, had a beneficial effect on the mental health of individuals during the first COVID-19 lockdown. Those who maintained or increased contact with these spaces presented lower levels of stress, psychological distress, and psychosomatic symptoms.
The phase III trial found that adding an immune checkpoint inhibitor to anti-HER2 treatment in breast cancer does not improve pathological complete response rates. The study enrolled 454 patients with high-risk HER2-positive early breast cancer and evaluated the efficacy and safety of neoadjuvant atezolizumab versus placebo.
Researchers designed a new type of molecular motor that can rotate in picoseconds using the power of a single photon. The motor's speed is significantly faster than existing designs, with potential applications in drug delivery, nanotechnology, and controlling biological processes.
A new global fish nutrition database is being made freely available to help combat malnutrition. The database provides vital nutritional data on over 5,000 fresh and marine fish species, which can be used to identify the most nutritious fish and support the protection of local food environments and ecosystems.
A new study found that yellow fever mosquitoes have distinct genetic changes behind permethrin resistance, including mutations in VGSC and cuticle protein genes. These mutations enable the mosquitoes to survive exposure to the pesticide, posing a significant threat to disease control.
The CSEM innovation enables devices to run independently for over a year, reducing installation and maintenance costs. The system's two-tiered data processing approach drastically reduces power requirement, with most applications using only the first accelerator.
A Rutgers-led study found that C-section babies can be restored to healthy bacteria through exposure to maternal vaginal fluids. The study's results suggest a normalization of microbiome development in the first year of life and may offer disease protection against obesity, asthma, and metabolic diseases.
A team of physicists has discovered that a thin layer of Niobium diselenide exhibits two-fold rotational symmetry, a phenomenon not seen before in real materials. This finding could lead to the development of unconventional superconducting states for use in quantum computing.
Researchers found that 14-3-3sigma acts as a tumor suppressor in the gastrointestinal tract, inhibiting cell division and DNA damage repair. Its expression is downregulated in metastatic tumors and low levels correlate with worse prognosis.
A study in Uganda reveals that school-aged children with asymptomatic malaria are a significant source of mosquito infections, driving the spread of the disease. Targeting these children for control interventions could help sustain malaria gains and prevent resurgences.
Research found reduced microbial stability and increased soil organic carbon loss in degraded alpine permafrost on the Qinghai-Tibet Plateau. This degradation can lead to a positive carbon-climate feedback, exacerbating global warming.
A new study by UC San Francisco finds that individuals with HIV are more than twice as likely to die from sudden cardiac death due to fibrosis in the heart. The study also reveals that one-third of sudden deaths initially attributed to cardiac causes were actually caused by drug overdoses.
Research published in BMJ Open suggests community pharmacy can support COVID-19 vaccination campaigns by addressing vaccine hesitancy and concerns. Community pharmacists can work with diverse ethnic backgrounds to enhance vaccine uptake rates.
Researchers at UNC School of Medicine developed an improved oligonucleotide therapy strategy that can correct gene defects underlying cystic fibrosis. The approach has shown promising results in both human cells and mice, with potential applications for treating other pulmonary diseases.
A new study from Aalto University recommends that government subsidies for clean-energy heating be allocated to areas where homeowners can least afford the upfront cost, namely those with lower housing prices. This approach aims to promote energy-efficient heat pumps and reduce carbon emissions in Finland's residential buildings.
Mesobot, a versatile underwater robot, provides unprecedented insight into the mid-ocean twilight zone. The robot tracks and records high-resolution images of zooplankton, gelatinous animals, and particles, greatly expanding scientists' ability to observe creatures in their mesopelagic habitat with minimal disturbance.
A study of 3,758 individuals found that those with diabetes, obesity, rheumatologic disease, or organ transplants had longer positive PCR test results. The median length of time for negative results was 16-22 days in immunocompromised and non-immunocompromised groups respectively.
A new study suggests that alternate-day intermittent fasting may offer no unique health benefits over a standard daily diet. In contrast, traditional daily energy restriction resulted in greater weight and fat loss. The researchers note that longer studies with larger groups are needed to confirm these findings.
Researchers report on seven patients hospitalized for acute myocarditis-like illness following COVID-19 vaccination. All symptoms resolved before hospital discharge after treatment with beta-blocker and anti-inflammatory medications.
Researchers at Northwestern University have identified a novel target for a drug to treat SARS-CoV-2 and potential future coronaviruses. The new therapy could be taken early in the disease to prevent severe symptoms.
A new study predicts a decline in lightning-caused ignitions but an increase in the size of wildfires by mid-century. Human-caused fire ignitions are expected to remain steady, while climate change is expected to worsen social inequalities and lead to more extreme wildfire events.
Researchers at the University of Chicago have discovered how cells can remember and respond to environmental pressure by adjusting their protein structures. The team found that an optimal concentration of cross-linkers allows proteins to strengthen under stress, enabling the material to 'remember' past experiences.
Researchers at the Max Planck Institute have developed a new type of joint inspired by spiders' hydraulic actuation mechanisms. The joints use electrohydraulic forces to enable robots to move rapidly and interact with various environments, making them ideal for small-scale robotic systems.
Astronomers have explained Betelgeuse's sudden dimming by a cloud of dust formed from stardust, which temporarily blocked the star's light. The discovery was made using new images taken with the European Southern Observatory's Very Large Telescope.
Researchers found that human life expectancy increase is not due to slowing aging but rather improved survival rates among children and young adults, supporting the 'invariant rate of ageing' hypothesis which suggests a relatively fixed rate of ageing across species.
A decade of ancient genome analysis has shown that early humans were resilient and capable, exploring new environments with no prior knowledge. This discovery challenges previous theories on human behavior and highlights the importance of genomic evidence in understanding our history.
Researchers at Dartmouth College discovered that the brain uses a 'steadycam' strategy to stabilize visual experience, perceiving frames as stationary even when they're clearly moving. This 'paradoxical stabilization' effect creates the illusion of stable images, similar to how our brains discount motion in everyday life.
A new study found that between 51-60% of the world's rivers stop flowing periodically, highlighting the need for a paradigm shift in river science and management. Non-perennial rivers provide critical water sources and support biological diversity, but are often overlooked and mismanaged.
Researchers at Southern Methodist University have found that P-glycoprotein can transport amyloid-β proteins out of the brain, which are associated with Alzheimer's disease. This discovery could lead to new treatments for the disease affecting nearly 6 million Americans.
International collaboration identifies four correlated metals in two-orbital systems, including a Hund's metal that can give rise to superconductivity. The discovery overturns conventional wisdom and opens up new avenues for understanding strongly correlated materials.
A recent study by the National Food Institute found that clotrimazole, an over-the-counter fungicide, can significantly alter sex hormones in pregnant rats and their developing fetuses. This exposure was observed at concentrations comparable to those experienced by human mothers taking clotrimazole to treat vaginal thrush. The research...
Experts from Kazan Federal University and partners have tested novel gel particles to improve oil recovery in high-temperature and mineralized reservoirs. The new technique showed a significant increase in recovery, up to 100 thousand tons, and proved the efficiency of reagents under harsh conditions.
The EU is funding a 15 million euro project to develop an integrated 'pan-Arctic Observing System of Systems' (pan-AOSS) via international collaboration. The project aims to improve the situation by expanding and coordinating Arctic Earth observation capacity, including measurements from Indigenous communities.
A team of researchers has proposed a new explanation for the origin of supermassive black holes, suggesting that they are formed through the collapse of a massive seed black hole produced by the gravitational instability of a dark matter halo. This process, known as gravothermal collapse, can lead to the creation of a seed black hole w...
Researchers analyzed 25 years of Antarctic data, finding that ozone levels near the ground have risen by up to 0.14 ppb per year, primarily driven by natural and human sources. This increase can have negative impacts on the region in the future due to ozone's ability to trap heat near Earth's surface.
Researchers developed semiconducting passivation layers to inhibit dendrite formation, enhancing battery stability and safety. The new technology improved battery capacity by up to 81% compared to conventional Li electrodes.
A Horizon 2020 project aims to develop an efficient biotechnological production platform that creates synergy between strain engineering strategies and microbiomes. The project will create novel treatment options in biomedicine beyond biotechnology, leveraging the resilience of microbial communities and their metabolic plasticity.
A new computational framework simulates the dissemination of Type 2 diabetes guidelines, highlighting the impact of sociocultural context and complex social interactions. The Culturally Infused Agent Based Model (CI-ABM) improves analysis and prediction of guideline-dissemination behaviors.
Researchers analyzed visual complexity of written language in 47,000+ characters from 133 scripts, finding large scripts have more complex characters and complexity driven by linguistic units, not evolutionary change.
A study found that sex trafficking survivors' trauma affects their parenting, causing them to be overly protective and emotionally withdrawn. Despite this, they cope by finding meaning in motherhood and social support, and often experience strong connections with their children. The research highlights the need for policies and program...
Summer Thyme, a University of Alabama at Birmingham assistant professor, is one of five Pew Scholars focusing on brain research. Her $75,000 grant will support her four-year investigation into neurodevelopmental disease using zebrafish.
The study found that 88% of mobile health apps can access and potentially share personal data, including advert identifiers, email addresses, and geolocation information. Clinicians are advised to inform patients about potential privacy risks before installing and using these apps.
Anthropologists at Binghamton University have received a grant from the National Geographic Society to study ancient Rapa Nui communities' water management techniques. Their research will focus on coastal seeps and inland resources, shedding light on how past populations dealt with freshwater scarcity.
Researchers have determined how peptides derived from PEDF protect neuronal cells in the retina layer, which could lead to treatments for degenerative retinal diseases such as age-related macular degeneration. The study found that these peptides work by binding to a protein receptor and processing omega-3 fatty acids like DHA.
Researchers identified a new gene, TP73, associated with an increased risk of sporadic ALS. Mutations in this gene have been found to interfere with nerve cell health and lead to abnormal cell differentiation and increased cell death. This discovery provides a potential target for therapy development.
A new study suggests accredited zoos have acquired the rare and legally protected earless monitor lizard without export permits, raising concerns about their involvement in wildlife trade. The acquisition of these protected lizards by zoos is contrary to international regulations and national laws.
Researchers at Florida Atlantic University have developed a technology that uses non-intrusive sensors to perceive drivers' and passengers' moods and adjust driving modes accordingly. This innovation addresses major issues with autonomous vehicles, such as accurately predicting human behavior.
Researchers design new stimulation protocol for optic nerve stimulation to produce consistent and meaningful visual sensations. They use machine learning approaches to optimize protocols, which have shown promising results in artificial neural networks and psychophysical tests.
A distinctive inflammatory signature has been found in C90RF72 ALS patients, characterized by an increase in pro-inflammatory molecules in serum and cerebrospinal fluid. This finding informs the development of targeted anti-inflammatory therapies for this subgroup of ALS patients.
A large international randomised clinical trial found that induced hypothermia in unconscious cardiac arrest patients did not reduce mortality. The study included 1900 adult patients and showed a slightly increased risk of impact on blood circulation and cardiac arrhythmia in the group treated with hypothermia.
The National Institutes of Health is funding a research consortium to develop methods for calculating polygenic risk scores (PRS) in people from different ancestries, particularly those with admixed ancestry. Researchers at UCLA will focus on incorporating genetic diversity into PRS to yield accurate and equitable predictions.
A team led by Dr. Shoufeng Lan is investigating the use of electromagnetic control over the synthesis of chiral compounds at an atomic level, which could lead to safer and cheaper pharmaceuticals. The researchers hope to create chiral seeds at the atomic scale and transfer chirality using cutting-edge technologies.
Scientists developed a new copper catalyst with sharp needle structures, enhancing CO2 reduction reaction efficiency by mitigating electrolyte flooding and increasing selectivity. The study published in Journal of the American Chemical Society showcases the stability and productivity of the hierarchical Cu electrode.
A new study by the University of Surrey found that drivers in developing cities inhale a significant amount of fine air pollution particles even after spending short time in pollution hotspots. The research also showed that cities with lower GDP per capita experience higher economic losses due to PM2.5 car exposure.
A study from University of California San Diego demonstrates the possibility of re-creating a bird's song by reading its brain activity, laying the foundation for building vocal prostheses for humans. The approach uses machine learning algorithms to map neural patterns to mathematical equations modeling the physical changes in the bird...