Researchers at Martin-Luther-Universität Halle-Wittenberg have developed novel, inexpensive catalysts for alkynes reactions. Alkynes are activated through a soft manner, mimicking gold and platinum-based catalysts, with aluminum oxide being a more accessible alternative.
Researchers from Istituto Italiano di Tecnologia have developed a new precision strategy to hinder coronavirus infection by blocking the ACE2 receptor. The study, published in Pharmacological Research, reveals two anti-K353 aptamers that dose-dependently inhibit viral spike protein binding to human ACE2, preventing cell infection.
A Berkeley Lab study shows how battery-electric trains can cut carbon dioxide emissions by over half, eliminating premature deaths and health costs associated with diesel freight trains. The analysis suggests that retrofitting diesel-electric trains with batteries is a cost-effective solution with multiple benefits.
A new project aims to provide peer support and research opportunities for students with caring responsibilities. The study reveals that without adequate support, caring can negatively impact physical and mental health, university performance, and social life.
A joint research team identified the mechanism of microplastic-induced apoptosis in the brain by administering MPs orally to mice for 7 days. Microglial cells recognize MPs as external threats, leading to phagocytosis and apoptosis. The study reveals that smaller MPs (<2㎛) have a greater impact on cellular physiology.
The special issue examines the collective dynamics of complex networks with applications in neuroscience, climate modelling, and Earth science. The papers cover a broad range of topics including dynamics of excitable systems, cluster dynamics, and interplay of noise and feedback.
The RT-CIRAM system analyzes public-domain data to determine the best times to avoid crowds and minimize COVID-19 infection risk. The mobile phone app provides personalized recommendations based on user input and factors like vaccination rates and cultural norms.
Researchers found coronaviruses closely related to SARS-CoV-2 in Shamel's horseshoe bats sampled in 2010. The discovery suggests a wider geographic distribution of the virus and its potential spillover from bat-borne viruses. Surveillance in Southeast Asia is crucial for pandemic preparedness.
Researchers propose a new model linking cultural trauma to health disparities in US cultural groups, identifying cultural trauma as a fundamental cause of health disparities. The model suggests that damaging or destroying a group's culture can rob people of important resources for protecting their health.
A systematic review of bitter taste receptors in cancer found that overexpression of these receptors stimulates anti-cancer mechanisms, reducing cell division and migration while increasing programmed cell death. Conversely, downregulation of bitter taste receptor genes is common in cancer cells.
Researchers at Massachusetts General Hospital have uncovered important details about Shigella's translocon, a pore that injects bacterial proteins into infected cells. The findings may help develop an effective strategy to block this critical component of infection and prevent diseases like dysentery.
Research led by Durham University found former pro rugby players more likely to show signs of depression, anxiety, and irritability after retirement. Players with multiple concussions were almost twice as likely to report these symptoms.
A recent study proposes a two-step plan to improve China's export competitiveness of its agricultural products. The study suggests focusing on traditional products with distinctive regional characteristics and taking comprehensive measures to enhance the international competitiveness of disadvantaged products.
Researchers developed a novel biosensor using aptamer-combined SERS to detect miR-122 in cell-secreted exosomes, providing a potential biomarker for radiation-induced organ injury and liver inflammation. The method offers rapid separation of analytes using magnetic NPs, enabling early diagnosis of hepatic inflammation cases.
A new study found that providing free green electricity and public transport can reduce home energy emissions by 13.4% and motor fuel emissions by 23.8%. This approach is more effective than redistributing carbon tax revenue among the population to address poverty.
Researchers analyzed data from the Office for National Statistics to estimate occupational risk from COVID-19 among school staff. The study found that mortality rates among teachers were low compared to many other occupations.
Researchers used AI to optimize multiple properties of flow batteries, finding molecules that store a lot of energy and remain stable. The study uses quantum chemistry-guided multiobjective Bayesian optimization to identify promising candidates.
A new study from Keck School of Medicine of USC shows that vaping is associated with dysregulation of mitochondrial genes and immune response genes, similar to smoking. The research found that over 80% of gene dysregulation in vapers correlated with the intensity and duration of current vaping.
A new study suggests that social distancing alone is ineffective in mitigating COVID-19 spread and recommends vaccination, ventilation, and masks as vital measures. The researchers found that individual coughs vary widely, leading to a 'safe' distance of anywhere between one to three or more meters.
A new study found that only alcohol consumption consistently triggers episodes of atrial fibrillation, a common heart condition. The study used an individualized testing method, where participants tested various triggers, including drinking alcohol and caffeine, to find the most effective ways to manage their AF.
A University of California, Riverside-led study found that deafness is a significant barrier to accessing health care and resources for deaf individuals living with HIV. The research highlights the need for improved communication, cultural competency, and accessibility in healthcare services to support aging deaf people with HIV.
A new paper proposes a means of filtering for candidates who identify with organizational goals and are willing to go the extra mile. Researchers found that those who strongly identified with the organizational goal were willing to expend significantly more effort towards finding ways to reduce carbon emissions.
A team of researchers from Lund University has developed a virtual reality tool called CellexalVR to help scientists better understand the complex relationships between genes and cell types. By using VR technology, researchers can visually explore large amounts of genomic data in a more intuitive and collaborative way.
Researchers discover flow results from modular brain networks, enabling high-control and effortless experiences. Flow requires balance between engagement and challenge, with brain regions densely connected but sparsely connected to other areas.
The article examines how the pandemic affected the protein sector's food supply chains, discussing lessons learned from the experience. The authors highlight the importance of building food supply chain resilience through improved efficiency and technology adoption, but warn that larger firms may pose a threat to smaller local systems.
Researchers at Princeton University developed a new millimeter-wave wireless microchip that allows secure wireless transmissions without reducing latency or efficiency. The technique shapes the transmission itself to foil would-be eavesdroppers by using interference from multiple antennas.
New lumbar vertebrae from a two-million-year-old fossil provide insight into how Australopithecus sediba walked and climbed. The discovery confirms the species used its upper limbs to climb like apes, while its lower limbs were adapted for walking like humans.
A new study found that 20.2% of participants reported avoiding healthcare during the pandemic, with those who are most likely to be affected being older individuals and those with low perceived health. The study calls for targeted public education to urge vulnerable citizens to seek medical attention.
Researchers developed a new live cell quantitative analysis of ER dynamics using fluorescence recovery after photobleaching (FRAP) to study the effects of endocrine disrupting chemicals on gene expression. The method enables faster and more accurate testing of larger numbers of compounds, revealing complex dynamics between receptor mob...
A long-term study has revealed that drinking higher amounts of coffee may make you less likely to develop Alzheimer’s disease. The study found an association between coffee and several important markers related to Alzheimer’s disease, including executive function and amyloid protein accumulation in the brain.
A new study found that only 13.7% of women diagnosed with hypertensive disorders of pregnancy attended a blood pressure screening visit within 10 days of delivery. Women with inadequate prenatal care utilization had lower rates of screening attendance compared to those with adequate care.
Researchers at MDI Biological Laboratory discovered that muscle tissue is protected from reduced protein synthesis during nutrient scarcity, accelerating growth and reproduction. The study suggests potential for developing anti-aging drugs preserving muscle tissue while prolonging lifespan.
A study found that lack of impulse control, poor emotional regulation, and motivation for entertainment are significant predictors of problematic binge-watching. Researchers also discovered that cliffhanger endings and autoplay features can encourage excessive watching.
Research found that US adults are divided on biometric technology use, with some comfortable using various forms like fingerprints and others uneasy about DNA and facial recognition. Context plays a significant role in shaping perspectives on biometric technologies.
A UBCO study found that psychedelic microdosing significantly reduces symptoms of anxiety and depression in adults. The study, which followed over 8,500 participants from 75 countries, suggests that microdosing can be a valuable tool for mental health treatment.
A Canadian research team has found that new homes in Canada have significantly higher radon gas levels than those in Sweden. The study, which analyzed over 25,000 Canadian and 38,000 Swedish properties, suggests that without intervention, radon levels in Canadian homes will increase by another 25% by 2050.
Researchers have discovered a new therapeutic approach that prevents the growth of metastatic tumors in mice by forcing cancer cells into a dormant state. The drug C26 activates NR2F1, a protein that can induce cancer cell dormancy and prevent recurrence and metastasis.
Researchers at TU Delft developed a nanomechanical sensor that can function at room temperature using a spiderweb-inspired design. The breakthrough has large implications for studying gravity and dark matter, as well as quantum internet, navigation, and sensing.
Mathematicians analysed global COVID-19 data to identify two constants that drastically change a country's rate of infection. Social stress is key to understanding the multi-wave dynamics of COVID-19 outbreaks.
Engineered bacteria produce medium-chain olefins that can replace oil and gas in syntheses. The process uses glucose as a feedstock and reduces energy consumption compared to traditional methods.
A team of astronomers discovered eight new stars and three more previously known stars belonging to the rare 'Main-sequence Radio Pulse emitters' (MRPs) using the GMRT. These discoveries suggest that MRPs may be more common than thought, but are difficult to detect due to their radio pulses being visible only at certain times.
A clinical study found that severe COVID-19 patients exhibit impaired microvascular function, which correlates with disease severity. Non-invasive near-infrared spectroscopy monitoring may help predict disease course and select responders to novel therapies.
Researchers found that environmental signals affect melanocytes, causing them to divide uncontrollably and turn into melanoma. The study provides a foundation for researching potential biomarkers and topical agents to prevent or treat melanoma.
Researchers at University of Maryland Baltimore County have developed a novel approach to modifying nanoparticles' surfaces to provide infusions with reduced negative reaction risks. By changing the core material, they reduced markers associated with infusion reactions, improving the effectiveness and safety of life-saving medications.
Researchers develop a methodological framework to extract and monitor information from consumer reviews, providing actionable insights on product attributes and their benefits. The study also extends sentiment analysis by demonstrating hierarchical sentiment analysis, enabling managers to generate tailored dashboards and inform decisions.
The study, published in Scientific Reports, used eDNA sequencing to investigate fish diversity in the Amazon River basin. Researchers found that only 26% of species identified with precision at the species level could be linked to traditional catch data.
A recent study published in JAMA Network Open found an association between social media use and self-reported symptoms of depression in adults aged 18 and older. The research suggests that individuals who use social media more frequently may experience greater levels of depressive symptoms.
A pilot study found that yoga improved quality of life in men with new prostate cancer diagnoses, reducing fatigue and increasing immune response. The study also showed a reduction in inflammatory markers and an improvement in sexual function.
This special issue examines the nature of tipping in complex systems, revealing recent trends and challenges. The studies highlight the pressing need to control tipping phenomena and harness their potential for efficient logic operations.
A study suggests that total hip replacement may contribute to sacral insufficiency fracture (SIF), a type of pelvic stress fracture. SIF is more likely to occur on the side opposite from previous THA, and bone loss leading to SIF begins within the first postoperative year following THA.
The 2nd International BioDesign Research Conference will showcase the latest achievements in biosystems design and synthetic biology. Renowned speakers from top institutions worldwide will share their research progress, fostering interdisciplinary collaboration among scientists.
Researchers found that dopamine stimulates female songbirds' preference for certain songs, affecting mating choice and memory. By manipulating dopamine levels, the team demonstrated lasting changes in song preferences, advancing our understanding of auditory perception.
Early antiretroviral therapy reduces skin and mucosal cancers in HIV patients by preserving tissue-resident memory T cells. Prompt treatment also improves the immune response, reducing the risk of HPV-associated cancers.
New astronomical models suggest the Magellanic Stream could be just 20 kiloparsecs from Earth, potentially colliding with the Milky Way and fueling new star formation. The revised distance may also affect estimates of the stream's mass and density, which could require revision.
Researchers analyzed seismic data to uncover the composition of Elysium Planitia's shallow subsurface, revealing a regolith layer and basaltic rocks. The findings provide insights into Mars' geological history and properties that will inform future landed missions.
A new study suggests that the tectonic opening of Southern Ocean seaways led to a sudden cooling event 34 million years ago, contributing to the formation of Antarctic ice sheets. High-resolution simulations showed that this event caused a dramatic drop in coastal temperatures and initiated the Earth's transition into an Icehouse world.
Researchers have found that stimulating the anterior thalamus can increase memory-related brain activity and restore memory function in rats with MTT lesions. The study suggests that therapies targeting this region could help recover memory in patients with brain injury, challenging previous notions of memory recovery.
Researchers at the University of California, Davis and the University of Texas at Dallas found that listeners can reliably identify the gender of individual children as young as 5. They also discovered that identification of gender must take place jointly with the identification of age and likely physical size.
A new study reveals that the Pantanal, a vast wetland in central South America, can reconcile healthy jaguar populations with economic activities. Ecotourism lodges have been found to be suitable habitats for jaguars, allowing for a landscape of tolerance where the species is no longer persecuted.
A new study attributes a significant increase in tree mortality to the direct effect of warming on bark beetles, with warmer temperatures accelerating beetle population growth. This can lead to catastrophic tree die-offs, especially among older, bigger ponderosas.
Researchers found that drivers touch their face nearly 30 times an hour on average, with the most common areas being the face, hair, neck, and shoulders. This behavior can spread germs and infection, particularly when handwashing is inadequate.
Pathologists have discovered that some patients with lingering COVID-19 symptoms may have underlying chronic lung disease prior to their infection. This finding suggests that clinicians should carefully consider alternative explanations for respiratory symptoms beyond long COVID.
A recent clinical trial published in the Journal of the American Medical Association found that platelet-rich plasma injections had no significant benefits for reducing knee pain in people with mild to moderate osteoarthritis. The study, which involved 288 participants, compared platelet-rich plasma injections to placebo injections and...
A new 'image analysis pipeline' called TDAExplore gives scientists rapid insight into how cells are changed by disease, using a combination of microscopy, topology, and artificial intelligence. This approach can provide objective information on cell changes, such as the movement of proteins like actin, even with limited training data.
A study led by New York University researchers found that the FDA-approved hepatitis C treatment telaprevir can increase bacterial sensitivity to antibiotics and reduce antibiotic resistance. The antiviral blocks the function of essential proteins in bacteria, revealing an opportunity to repurpose the drug to use alongside antibiotics.
A new study explores how plants respond differently to useful and harmful microbes, revealing that accessory chromosomes from fungal strains dictate these responses. Most plant genes are expressed similarly in response to both beneficial and pathogenic fungi, but with key differences occurring just 12 hours after interaction.
Scientists have discovered a new process to break bulk metal into atoms for sustainable catalyst production. The method uses magnetron sputtering to achieve record-breaking rates of atom dispersal, enabling the fabrication of valuable catalyst materials. This breakthrough has significant implications for industries reliant on catalysts.
Researchers at Columbia University School of Engineering and Applied Science teamed up with the Fire Department of New York to upgrade FDNY's EMS response operations. They developed an optimization system that minimizes response time, reduces overcrowding, and balances demand and supply of patient intakes at a city-wide level.
A new type of PRRT, <sup> 177 </sup> Lu-DOTA-LM3, has been shown to be safe and effective in treating neuroendocrine neoplasms. The therapy achieved complete remission in some patients and was well-tolerated by most patients.
A new nanotechnology developed by Penn State researchers selectively recovers neodymium and other rare earth elements from electronic waste using plant cellulose. The process is environmentally friendly and can separate neodymium in seconds, making it a sustainable solution for recycling.
Researchers at UNM are working on a DOE-funded project to develop low-cost sensors for detecting natural gas pipeline leaks. The sensors can quantify methane concentrations and identify sources of emissions, helping to pinpoint the origin of methane emissions in the US.
A new index ranks US states based on their support for successful aging across five domains: productivity, security, equity, cohesion, and well-being. The study found that no single domain drives the results, and state policies play a significant role in adapting to an aging population.
Researchers develop technology to produce petroleum-like liquids from renewable plants using combined fermentation and chemical refining. The new bio-petroleum can be converted into various chemicals, including polymers, rubbery materials, soap-like molecules, and lubricants, offering a sustainable alternative to fossil fuels.
Astronomers have discovered an ultrahot Jupiter, TOI-2109b, with a record-breaking 16-hour orbit. The planet is estimated to be around 5 times the size of Jupiter and has a day side temperature of approximately 3,500 Kelvin.
A study of 2.5 million people found lower COVID-19 infection rates among those with schizophrenia and mood disorders, but higher death rates. The analysis suggests that underlying mental health conditions may impact COVID-19 outcomes.
Researchers categorize origami- and kirigami-based mechanical metamaterials into six groups based on folding and cutting patterns. Hybrid designs offer great potential for shape morphing and real-world applications.
Researchers discovered that these 'meat-eating' bees have a unique gut microbiome enriched with acid-loving bacteria, similar to those found in vultures. The bees' ability to eat dead bodies is surprising, but they can also store honey and have special chambers for meat storage.
A study by Weill Cornell Medicine investigators found that antibodies secreted in the gut help control pathogenic forms of gut fungi like Candida albicans. However, patients with Crohn's disease often have impaired antibody function, leading to an overgrowth of harmful fungi.
Exosomes from insulin-resistant adipocytes promote more aggressive breast cancer changes than those from non-diabetic cells. Identifying biomarkers for diagnosis and treatment could improve outcomes for obese patients with type 2 diabetes and breast cancer.
A mathematical enigma, the Riemann conjecture, has been unraveled thanks to a new approach from statistical physics. The solution lies in chaotic motions and probability laws that regulate them.
A KAUST team developed an improved method for detecting malicious intrusions using deep learning, achieving accuracy rates of up to 99% in simulations of different kinds of attacks. This stacked deep learning approach promises an effective defense against cyberattacks and could prevent outages in critical infrastructure.
A recent study compared immune responses in patients with and without kidney failure following different COVID-19 vaccines. The findings suggest that higher doses of the mRNA-1273 vaccine may improve SARS-CoV-2 vaccine effectiveness in hemodialysis patients.
Cleveland Clinic researchers found that verubecestat, an Alzheimer's disease treatment, reduces glioblastoma progression by reprogramming tumor-associated macrophages into tumor-suppressing macrophages. This transformation leads to increased phagocytosis of tumor cells and reduced tumor growth.
Researchers found that a Western diet high in fat, cholesterol, and calories led to increased inflammation in mice. Targeting the mucus interface between gut bacteria and small intestine cells with peptide mimetics may prevent systemic inflammation, suggests a new UCLA study.
A new species of green microalgae was identified in a reservoir in northwest São Paulo, Brazil, and reclassified into the genus Nephrocytium. The discovery was made through phylogenetic analysis and molecular sequencing, confirming that the microalga is distinct from other known species.
A new study from Australian National University challenges old assumptions about infant mortality in ancient populations. The research suggests that fertility had a greater influence on the proportion of deceased infants than infant mortality rate.
A new study by UNM researchers found that patients treated in rural emergency departments had similar outcomes to those receiving care in urban EDs for life-threatening conditions. However, rural patients with vague symptoms fared worse due to limited diagnostic capabilities and transfer processes.
A previously unknown glacial relic, the Alpine rose leaf-miner moth, has been discovered in the Alps. The caterpillars specialize on the rust-red alpine rose, avoiding it like most other moths and butterflies due to its toxicity.
New fossil vertebrae from Australopithecus sediba, a 2-million-year-old human relative, show a mix of adaptations for bipedalism and arboreal behaviors. The discovery provides insight into the species' locomotion patterns, with evidence suggesting it walked like humans but climbed like apes.
A large-scale study of over 3,100 ECT sessions found no cases of permanent impairment, only three life-threatening events that were resolved with medical interventions. The researchers argue that ECT should be used in controlled settings by experienced teams to benefit more patients.
A Michigan Medicine study found that only 7.4% of patients received naloxone and 8.5% received buprenorphine prescriptions within 30 days of an opioid overdose. The low rates highlight missed opportunities for equipping patients with rescue medicines to use in case of future overdoses.
A real-world study of BBV152 found that two doses resulted in 50% effectiveness against symptomatic COVID-19 in hospital workers. The study's findings support the importance of a second dose for maximum protection, but highlight limitations in estimating vaccine effectiveness against severe outcomes.
A new snow tracking sensor using infrared radiation technology will track daily snow depth, making it easier to predict and prevent winter-related hazards. The device will measure snow density by strata, providing more accurate data for avalanche forecasting and flood risk assessment.
Researchers found that higher antibody levels correlate with greater vaccine protection against COVID-19. The study provides new insights into how to measure vaccine efficacy, potentially guiding approval decisions and vaccine regimen modifications.
Researchers discovered the retrosplenial cortex as the site of value decision-making in the brain. Persistency allows value signals to be effectively represented across different brain areas, especially the RSC. Artificial intelligence networks mimicking mouse decisions showed remarkably similar results.
Researchers have found that ultrashort-pulse lasers can inactivate antibiotic-resistant bacteria and bacterial spores, reducing their numbers by over 1,000 times. The technology has the potential to be used to sterilize wounds and disinfect blood products, and may also be used to treat bloodstream infections.
The Delta variant of SARS-CoV-2 has become the dominant virus form in Benin, West Africa, with over 60% of cases linked to the variant. Vaccination campaigns are crucial to combat the spread, as only 1% of the population is vaccinated.
A recent study by the International Tobacco Control Policy Evaluation Project found that most adult vapers oppose flavor restrictions, with 82% saying they would continue vaping if flavored products were banned. Some vapers may switch to smoking cigarettes instead, highlighting potential unintended consequences of a flavor ban.
Researchers are using X-ray CT to analyze magnetic minerals in speleothems, which can reveal past climate conditions. The team hopes to uncover evidence of extreme weather events and improve understanding of New Zealand's climate history.
A new study published in Annals of Medicine recommends that athletes returning to training after long COVID undergo a series of tests and receive regular advice from medical specialists. The researchers defined long COVID as symptoms lasting more than four weeks, and warned of the risk of organ damage and mental health issues.
A study published in Frontiers in Psychology found that false information in both native and second languages equally contribute to the formation of false memories. The researchers used an online experiment with participants speaking Russian and English to assess the influence of misinformation and source misattribution on memory recall.
A recent study published in PLOS Biology found evidence of editorial bias and nepotism in some biomedical journals, where a few authors, often on the editorial board, dominate publications and receive preferential treatment.
Researchers found that females who consumed less food for their entire lives lived longer but didn't reproduce as well as better-fed counterparts. However, those who switched to unlimited food after early life restriction started mating and reproducing more, producing three times more offspring than restricted diet flies.
A Houston Methodist study found that lifting COVID-19 restrictions led to a rapid return of seasonal respiratory viruses, highlighting the effectiveness of masking and distancing measures. The study's findings demonstrate that these precautions can suppress all respiratory viruses, not just COVID-19.
Scientists investigate how positively and negatively charged ions behave at solid-liquid interfaces. They found that the hydration shell of positively charged sodium ions is stripped away at small voltages, while negatively charged chloride ions require higher voltages.
MRNA eraser enzymes play a crucial role in regulating gene expression and cell fate decisions. Research on these enzymes may lead to the development of therapeutics that target misbehaving erasers in disease. The team aims to understand how these enzymes recognize and choose specific methyl groups to remove from RNA.
The study found significant disparities in COVID-19 mortality rates among racial and ethnic groups and those with different levels of educational attainment. The researchers analyzed data from 219 million adults aged 25 or older to identify these inequalities.
Researchers found that vehicles accounted for 60-84% of total NH3 emissions in western Los Angeles, significantly higher than government estimates. This discovery suggests a substantial health impact from vehicle-related ammonia, which has been largely under-recognized and uncontrolled.