Chemists from RUDN University synthesized biopolymers based on chitin from crab shells, forming effective catalysts for organic reactions. The new catalysts can be reused over ten times without reducing yield or damaging nanoparticles.
Astronomers use a novel spectrograph to measure the redshift of GN-z11, a ancient galaxy located 13.4 billion light years away, marking it as the farthest detectable galaxy in the universe. The team's precise measurement improves the accuracy of the galaxy's distance by a factor of 100.
Researchers create magic-angle twisted bilayer graphene to explore interacting electrons' surprising phases of matter. They discovered the creation of unexpected and spontaneous topological states, including topological insulators with free-moving edge electrons.
A recent survey analysis found that people relying on social media for news are more likely to believe COVID-19 misinformation. Having faith in scientists and discussion heterogeneity weaken such beliefs. The study suggests practical solutions like fact checkers and exposure to different ideas can disrupt the spread of misinformation.
Opioid prescribing rates vary hugely across England, even in similarly deprived areas. Higher prescribing rates are associated with a higher prevalence of rheumatoid arthritis, urban areas, and socioeconomic deprivation.
Implementing point-of-care testing in hospitals can lead to faster diagnosis, better treatment, and improved recovery for patients with acute respiratory symptoms. The study found that routine molecular POCT for influenza resulted in increased antiviral use, isolation facility use, and reduced mortality rates.
The newly discovered dinosaur, Ubirajara jubatus, boasts long fur down its back and stiff ribbons projecting from its shoulders. Its unique features suggest that it may have used these to attract mates or intimidate rivals.
A new study highlights the plight of US crop wild relatives, many of which are endangered or underrepresented in conservation repositories. The plants, including those related to apples, hops, and sunflowers, have characteristics that can be used to breed hardier crops.
Osaka University researchers created light bullets with controllable velocities, opening up opportunities for free-space communication, bio-imaging, and particle acceleration. By deforming pulse-fronts, they can achieve variable velocities during a single propagation path.
A new study from North Carolina State University found that using compost as daily cover at landfills can have significant environmental benefits, including reducing eutrophication and acidification. In contrast, using compost to amend soil can be more effective in reducing abiotic resource depletion potential.
Researchers found that microglial surveillance helps maintain normal neuronal activity levels by preventing overactive neurons. This discovery opens new avenues for treating neurological disorders such as Alzheimer's disease, epilepsy, and autism.
Early childhood memory abilities predict the strength of future brain connections, while the strength of early brain connections predicts future memory acuity. This study highlights the complex relationship between brain function and ability during development.
A new carbon-based material for sodium-ion batteries has been developed with a capacity of 478 mAh/g, exceeding that of graphite used in lithium-ion batteries. The material's lower temperature heat treatment reduces energy expenditure and environmental impact.
A study of 1.3 million people reveals that younger adults with type 2 diabetes diagnosis are associated with a higher risk of mortality and cardiovascular disease. Early interventions to improve blood glucose levels and cardiovascular risk profiles are essential to reduce ill health and mortality.
Researchers discovered that peppers undergo a transformation from chlorophyll-rich chloroplasts to carotenoid-rich chromoplasts as they ripen. This process differs from tomatoes, which continue to ripen after harvesting due to an increased respiratory activity.
Researchers discover new nocturnal process in forming oxidized aerosol from biomass burning, leading to underestimation of pollutant levels. The findings highlight the importance of considering nighttime oxidation in air quality models.
A new study found that young people who prefer to stay up late are more impulsive, anxious, and likely to engage in substance use. The research suggests that improving sleep hygiene could reduce these behaviors among young adults.
Researchers at MIT have developed a silicon chip with fully integrated LEDs, enabling state-of-the-art sensor and communication technologies. The advance could lead to cheaper manufacturing, improved performance, and increased efficiency in nanoscale electronics.
A long-term study led by CABI scientists reveals that the invasive harlequin ladybird has caused a severe decline of the two-spotted ladybird in northern Switzerland. The researchers found that the harlequin ladybird dominated broadleaved hedges, but not pine stands or meadows.
Researchers from University of Warwick investigated high-rate cycling on Lithium Iron Phosphate Cylindrical Cells, discovering increased current capabilities of up to 4.4 times manufacturer's claims. Thermal fatigue was identified as the driving mechanism for jelly roll deformation, which can be mitigated with convection cooling.
A new study from Ohio State University found that validating someone's negative emotions can help foster a positive outlook. Participants who were validated showed protected and sustained positive emotions, while those who were invalidated experienced declines in positivity.
A new study has created the most complete annotated resource of proteins present in synapses, which could aid in early diagnosis and specific drug targets for brain diseases. Researchers identified 1466 synaptic vesicle proteins, many of which were previously unknown, and found that lower-abundance proteins often have crucial functions.
A panel of experts developed guidelines for accurate determination of death in mountain rescue situations, taking into account the challenges of remote environments. Definitive signs of death include dependent lividity, rigor mortis, and decapitation, but absence of vital signs is not definitive.
Researchers developed a wearable device called Biomechanics Sensor Node that captures user data and controls virtual environments. The system stimulates sensory systems, especially sight and hearing, to intensify central nervous system information input and output.
Researchers discovered how our brains use high frequency brain waves to compare past and present experiences, setting expectations for the future. The study used epilepsy patients and found that the brain replays neural activity patterns when recognizing changes.
Researchers developed a polygenic risk score to assess breast cancer risk in carriers of high-risk mutations. The score provides a more accurate estimate, especially for close relatives, and has the potential to save lives by targeting cancer screening.
A Drexel University study found that health counselors with access to self-monitored health data helped participants maintain weight loss. The study involved 87 adult participants who shared their daily activity, food intake, and weight using wearable devices and smartphone apps.
The Association for Computing Machinery has published the first issue of its new peer-reviewed journal, Transactions on Quantum Computing, focusing on the theory and practice of quantum computing. The journal aims to publish high-impact research papers and surveys on topics in quantum information science.
Researchers discovered biomarkers associated with COVID-19 immunopathology and multi-organ damage, enabling early identification of patients at risk of severe symptoms. The study's findings have potential for developing prognostic classification models to target treatments accordingly.
The 16th World Stem Cell Summit will be co-located with the 7th annual Regenerative Medicine Essentials Course, featuring joint single-track programming on stem cells, biomaterials, cell therapies, clinical trials, and regulatory matters. The event aims to accelerate regenerative medicine and deliver cures.
A new USC study found that young adults who identify as Republicans are less likely to follow social distancing guidelines, with 24.3% of Republican respondents saying they don't frequently social distance from others compared to just 5.2% of Democrats.
Nicolas Cerf and Michael Jabbour identify a new form of quantum interference that occurs through time, using an optical amplifier to produce identical photons. This phenomenon challenges our classical understanding of space-based interference.
A team of researchers used a novel approach to study the human gene responsible for Meier-Gorlin syndrome, a rare genetic disorder causing dwarfism and skeletal abnormalities. They discovered that a mutation in this gene affects its ability to bind to DNA, leading to defective cell division and growth.
Researchers recommend measures to reduce SARS-CoV-2 aerosol dispersal, including regular ventilation, humidifiers to maintain relative humidity of 40-60%, and portable air purifiers. The risk is high due to infected & healthy people staying in the same room for long periods.
Researchers at Penn State have developed a nanomaterial cement mixture that can effectively seal leaky natural gas wells, reducing methane emissions. The new cement is more resistant to cracking and can be pumped through narrow spaces, making it suitable for use in active unconventional wells and orphaned abandoned gas wells.
Research finds that tropical trees' lifespans decrease above 25 C, with implications for animal habitats, air quality, and carbon stocks. The study suggests that global warming will exacerbate tree mortality, affecting biodiversity and CO2 emissions.
A study by Imperial College London has assessed 29 alternatives to microbeads and found that silica is the most environmentally friendly option. Silica is a naturally occurring mineral that is chemically inactive, non-toxic, and easy to source and process.
The Patient Researcher Forum allows patients and researchers to learn from each other, fostering interdisciplinary collaboration. The program has a positive impact on perspectives of both parties, with patients gaining insight into the importance of cancer research and researchers becoming more patient-centered in their work.
Scientists have discovered a link between the moon's tidal forces and methane release in the Arctic Ocean. The study found that changes in pressure during tidal cycles can increase gas emissions from the seafloor, potentially leading to underestimated gas emissions. High tides tend to reduce emissions, while low tides increase them.
A new statistical approach called Ecosystem Accounting allows governments and banks to calculate the worth of natural dividends, including fish stocks and carbon sinks. This shift aims to create a more inclusive wealth measurement that accounts for health, skills, and community value.
A University of Maine-led research team studied hundreds of North American tree species and found that only 50% of their potential climatic habitats are actually inhabited. This suggests that trees may struggle to keep pace with climate change, highlighting the need for more sophisticated predictive tools for conservation.
Researchers at São Paulo State University developed a biodegradable film for food packaging made from bacterial cellulose scraps and hydroxypropyl methylcellulose. The product outperforms traditional films, with improved mechanical strength and reduced water vapor permeability.
Researchers have shown that a single layer of graphene can convert light into various colors through nonlinear interactions. The team used nanometer-sized gold ribbons to squeeze light into the graphene, producing strong optical nonlinearities.
Researchers have created a compact, high-brightness mid-IR-driven source combining a gas-filled anti-resonant-ring photonic crystal fiber with a novel nonlinear-crystal. The table top source provides a seven-octave coherent spectrum from 340 nm to 40,000 nm, outshining brightest Synchrotron facilities in spectral brightness.
Researchers found that keeping STAT5 active in CAR T cells improves their persistence and tumor-killing ability. This breakthrough could lead to more effective cancer treatments, but further research is needed.
Researchers used zebrafish to study the effects of chronic stress, finding that it can lead to anxiety-like conditions and serotonin metabolism deficits. The study suggests that zebrafish can be a valuable translational model for researching complex neurobiological conditions.
A UK national study found that children with cancer who test positive for COVID-19 have mild infections or are asymptomatic, with no deaths reported and only 5% requiring intensive care support. The study's real-time data helped inform shielding advice for this group of patients.
Researchers found that most parrotfish predation scars on Caribbean coral heal within weeks, while larger scars have minimal healing. The study suggests that managing parrotfish populations may be crucial to maintaining resilient reefs.
Researchers discovered a way to create more efficient metamaterials using semiconductors and a novel aspect of physics that amplifies the activity of electrons. This breakthrough has the potential to increase resolution in medical scanning and scientific imaging, as well as reduce the size of supercomputers.
A recent clinical trial found that mindfulness-based stress reduction (MBSR) reduced migraine frequency and severity in adults with a history of migraine. MBSR improved quality of life, depression scores, and measures of emotional well-being compared to headache education.
New research finds that people tend to moralize COVID-19-control efforts, overlooking associated costs. The level of support differs between liberals and conservatives.
A study analyzing 40 years of topsoil data finds that approximately 11.73 million square kilometers of land were affected by salt accumulation between 1980 and 2018. The likelihood of reoccurring salt-affected soils decreased globally, but certain regions like Brazil and Peru experienced increased soil salinity.
A new study by University of Delaware Professor Doug Tallamy identifies the most critical plants needed to sustain food webs across the United States. These powerhouse plants, including oaks, willows, and goldenrod, support insects that are essential for energy transfer and soil decomposition.
Dr Peter Garraghan aims to unshackle ICT systems from growing energy demand with a new approach to sustainability. He will develop a system that can dynamically reconfigure its components to operate within limited renewable energy targets.
Researchers at Queensland University of Technology and Ghent University have developed a green light-stabilised 3D polymer structure that folds itself when exposed to light and unfolds when left in the dark. This process consumes light as fuel, mimicking the way proteins function in living organisms.
Researchers investigated COVID-19 and Guillain-Barré syndrome, a rare autoimmune condition. The study found no significant association between the two conditions, contradicting previous small case series. The researchers conclude that COVID-19 vaccination is unlikely to cause GBS.
Researchers used advanced imaging and 3-D modeling to digitally rebuild the brain of Thecodontosaurus, finding it may have eaten meat and walked on two legs. The study also suggests the dinosaur was relatively agile and had a high hearing frequency, indicating social complexity.
Researchers have discovered rare decision-making genes that control cell responses, potentially helping to prevent diseases such as heart attacks and organ failure. This new knowledge can also be applied to understand how aquatic animals respond to global warming and improve human health, agriculture, ecology, and marine biology.
Red Sea mangroves have been found to be capable of removing more carbon from the atmosphere through the dissolution of calcium carbonate. The study highlights the importance of considering calcium carbonate dissolution in mangrove ecosystems as a significant carbon storage mechanism.
Patients diagnosed with non-cardiac chest pain often struggle to accept normal test results due to misconceptions about heart disease. A new study shows that a brief educational intervention significantly improves patient trust and reduces future chest pain episodes.