A new hydrogel treatment kills drug-resistant bacteria, including MRSA, and induces the expression of naturally-existing antimicrobial peptides in human skin cells. The gel is non-toxic, biodegradable, and scalable.
Researchers from Aarhus University have developed a method to cultivate millions of plasmacytoid dendritic cells, a rare immune cell crucial in fighting diseases. This breakthrough could lead to new treatments for cancers and viral infections, with clinical trials expected within the next few years.
A new study found that prior financial circumstances had the biggest bearing on food insecurity among young families in Peru. The Peruvian government's Bonos payments did not improve food security for those who received them compared to others in similar situations.
A study in rats found that a diet of highly processed foods led to inflammation and behavioral signs of memory loss in the brain. Supplementing with omega-3 fatty acid DHA prevented these effects almost entirely. The study suggests that limiting processed foods and increasing DHA consumption may help prevent rapid memory decline in old...
Researchers at QBI have discovered a new understanding of how fundamental biological switches regulate processes like cell differentiation and growth. The study highlights the importance of sensitivity in regulating complex tasks and reveals distally located allosteric sites that can affect switch function.
An 18-year study found a significant increase in ultra-processed food consumption among US adults, contributing to obesity and chronic diseases. The study recommends policies to reduce ultra-processed food intake, such as revised dietary guidelines and taxes.
Researchers developed a new risk measure, Universal Influenza-like Transmission (UnIT) score, that outperformed existing models in predicting weekly case count forecasts. The model used 10 years of influenza hospitalization data to identify patterns and improve COVID-19 spread predictions.
Researchers at Graz University of Technology have developed a new production method for germanium-based photoinitiators, making them cheaper and more efficient. This enables their use in contact lenses, prostheses, and artificial human tissue, among other applications.
Researchers found that defects in both organic and inorganic perovskites cause comparable levels of recombination, but the organic molecule in hybrid perovskites actually decreases efficiency due to hydrogen loss. The study suggests all-inorganic materials have potential for outperforming hybrids.
Fish from the Gobiidae family change color more efficiently and effectively when alone, contrary to previous assumptions. This is likely due to reduced stress levels, allowing for faster and more accurate camouflage.
A special collection of articles investigates the potential habitability of Venus' cloud layer, exploring its possibility as an astrobiology target and the detection of phosphine in its atmosphere. The research proposes investigations into habitable zones within clouds and Venus-like exo-atmospheres.
Researchers found that optimizing energy metabolism through autophagy can improve the immune system response in HIV-affected cells, providing a potential therapeutic approach. This metabolic optimization enables CD4 lymphocytes to better defend against HIV-1 by secreting IL-21, a key protein in defense against the virus.
The discovery suggests a long-term presence of a water vapor atmosphere only in Europa's trailing hemisphere. This finding advances our understanding of the atmospheres of icy moons and paves the way for future studies of Europa by probes like NASA's Europa Clipper mission.
A new species of frog, Bishop's frog Leiopelma bishopi, has been discovered from fossils in North Canterbury and named in honor of late Professor Phil Bishop. The finding provides significant insights into the evolution of New Zealand's frogs and highlights the impact of climate change on isolated island ecosystems.
A meta-analysis by the University of Basel found that no-till farming alone does not achieve desired results in sustainable agriculture. Retaining crop residues on fields after harvest prevails over no-till farming in promoting carbon storage, soil protection and increased yields.
A study by University of Gothenburg found that people with obesity were overrepresented among adults in Sweden receiving intensive care for COVID-19, with a 50% increase in mortality risk compared to normal-weight individuals. Obesity also boosted the risk of ICU stays lasting more than 14 days.
A new study found that physicians are more likely to switch between vaginal and cesarean deliveries based on past experiences, rather than the best clinical decision for each patient. This 'heuristic' approach can lead to small but significant suboptimal effects on patient health outcomes.
Researchers found that Disney films combine entertainment with life lessons about love, friendship, and social values. The study suggests using Disney movies as tools for parents to improve communication with children about difficult topics, such as death, loss, and acceptance of differences.
A team of researchers has discovered a unique organism that lacks essential genes for copying and distributing its DNA. The free-living protist Carpediemonas membranifera is unable to produce kinetochore proteins, which separate chromosomes during cell division.
Researchers warn that global warming could make the Amazon barren, the Midwest tropical, and India too hot to live in by 2500. Climate models project a future where vegetation and crop-growing areas shift towards the poles, leading to drastic changes and potential human fatalities.
Scientists at Chalmers University of Technology have developed a new type of super-stable glass by mixing up to eight different molecules. This breakthrough material exhibits ultralow fragility and superior glass-forming ability, making it suitable for applications in display technologies, renewable energy, and pharmaceuticals.
Researchers developed a new technique using Raman spectroscopy to determine the effects and effectiveness of immunotherapy treatment on colon cancer tumors. The study showed that the technique can detect early biochemical changes in tumors, differentiating between responders and non-responders.
A new study by researchers at the University of Cambridge and the University of Sussex suggests that children who increased their connection to nature during the pandemic had lower levels of behavioural and emotional problems. The study found that nearly two-thirds of parents reported a change in their child's connection to nature, wit...
New research reveals that a layer of 'hot', electrically conductive ice could be responsible for generating the magnetic fields of ice giant planets. The study found two forms of superionic ice, one of which may exist in the interiors of Uranus and Neptune.
A new technique using in situ synchrotron X-ray microtomography has been developed to study the effects of acid on teeth. The technique enabled researchers to build clear 3D images of dentine's internal structure with sub-micrometre resolution, revealing that acid dissolves minerals at different rates in different structures of dentine.
A scientific team at Tufts University developed a new tool to guide consumers and policymakers towards healthier choices. The Food Compass system scores foods from 1 (least healthy) to 100 (most healthy), providing a nuanced approach to promoting healthy food choices.
The UvA scientists have developed a fully operational standalone solar-powered mini-reactor that can synthesise drugs and other chemicals in economically relevant volumes. The system is capable of stand-alone operation in remote locations, making it suitable for applications such as Mars bases.
Researchers found that regular cycles of a fasting-mimicking diet in mice helped counteract the negative effects of a high-fat, high-calorie diet. The study suggests that this diet may have potential as 'medicine' to prevent obesity and heart disease.
A HKUST research team found a nearly doubled Diatom/Dino ratio in the Pearl River Estuary over two decades, challenging the notion that higher ratios indicate better water quality. The study also reveals temperature and nutrient concentration play significant roles in diatom blooms.
Researchers identified a wide divergence of sex chromosomes in jojoba plants, which could lead to the development of a DNA test to identify male and female plants. The study reveals that male and female jojoba plants have diverged genetically due to environmental stress, with differing reproductive resource allocation requirements.
A large population-based cohort study found that combined oral contraceptives reduce the risk of type 2 diabetes and pre-diabetes in women with PCOS by 26%. Women with PCOS have twice the risk of developing type 2 diabetes or pre-diabetes, highlighting the need for treatments to reduce this risk.
Researchers found that tuning the interface and twist angle of layered 2D materials enhances key properties, leading to stronger interlayer coupling and improved electronic and optical device performance. This discovery has great importance for various applications in optoelectronics, electronics, batteries, lighting, and appliances.
A retrospective study demonstrates that AI-powered Fabric GEM algorithm can detect over 90% of disease-causing variants in infants with rare diseases using whole-genome and whole-exome data. The algorithm also ranks specific genes associated with these variants, assisting clinicians in diagnosis.
Researchers at the University of Oklahoma have contributed to a study on a new antibiotic that may cure Lyme disease and eradicate its occurrence from the environment. The antibiotic, hygromycin A, targets the ribosomes of the bacteria Borrelia burgdorferi and shows promise in treating the disease.
Scientists from Stellenbosch University found that phytoplankton are active during winter in the Southern Ocean, contradicting previous assumptions. This discovery improves predictive global climate models and sheds light on adaptation strategies of phytoplankton under adverse growth conditions.
Scientists have found that adding a single atom to rutile titanium dioxide can create oxygen vacancies, leading to more stable local structures and controlling reaction stability. This discovery could lead to new ways of understanding the relationship between material structure and function.
A review by Washington University and Duke experts exposes mass incarceration's harm on families, particularly low-income communities of color. Family member incarceration has negative effects on well-being, including increased behavioral problems in children and burdens on grandparents.
University of Illinois Chicago researchers discovered a function of mammalian target of rapamycin complex 2 in an antiviral defense mechanism, limiting HSV-1 virus infection through rapid activation of antiviral immunity. The protein complex protects the host by preventing encephalitis and possible death due to HSV-1 infection.
The study analyzed SARS-CoV-2 genomic surveillance data from England, identifying key variants like Alpha and Delta that changed the course of the epidemic. These variants led to significant growth advantages, with Delta's growth rate being 59% higher than Alpha's, more than doubling the average growth rate of the virus.
A team of researchers has identified the KDM1A gene as responsible for a rare form of Cushing's Syndrome caused by abnormal expression of the GIP hormone. The discovery provides an early diagnosis tool and personalized medicine options, improving patient outcomes.
Researchers analysed publicly available comments in response to nature video content on Facebook during the UK's first national Covid-19 lockdown. The study found that engaging with this virtual nature content helped people cope with stress and mental fatigue, and increased feelings of connectedness to nature and others.
Scientists harness light to alter solid properties and create new applications for high-speed information processing, lossless energy transfer, and quantum technologies. The team reviews the latest developments in ultrafast materials science and explores unifying themes for controlling materials with light.
Scientists have improved understanding of a key protein that makes the stomach acidic, shedding light on potential applications in drug development. The study found an unusual feature in the protein, which needs to bind to only one potassium ion to trigger its pump mechanism.
Researchers created noninfectious SARS-CoV-2 replicons that mimic the viral life cycle and can be used to test drugs and neutralizing antibodies. The replicons can also identify human proteins necessary for viral replication and screen chemical libraries for antiviral compounds.
Scientists confirm a link between planetary and stellar compositions, with some planets exhibiting higher iron content than their host stars. This study provides insights into planetary formation and evolution, shedding light on potential habitability and constraining possible compositions.
Infection with measles virus triggers the activation of both RNA and DNA virus immune responses. The virus affects mitochondrial growth and division, causing their fusion and release of mitochondrial DNA into the cytoplasm. This leads to the activation of the cGAS immune response, which is also triggered by DNA viruses.
A significant proportion of US adults consider the use of facial image data in healthcare unacceptable, particularly when used to monitor emotions or symptoms. Many respondents (30-50%) expressed concern over facial recognition technologies in various scenarios.
Researchers developed a predictive tool using %V bur (min) to categorize phosphine structures as active or inactive in many experimental datasets. This advancement will facilitate organometallic chemistry and catalysis, enabling easier computation and prediction of phosphine reactivity.
A new study reveals the devastating impact of COVID-19 on public health, with the workforce experiencing extreme exhaustion and burnout. The pandemic response has swamped healthcare workers, leaving critical services such as chronic disease prevention, maternal-child health, and environmental health on hold.
Researchers used stable isotopes and fatty acids to unlock the secrets of jellyfish feeding. They found that jellyfish diets could look quite different than expected, with some species not incorporating certain prey into their bodies.
A special collection of articles reviews the application of photobiomodulation therapy for dementia, Alzheimer's disease, and other brain conditions. The therapy has been shown to promote microcirculation, cellular proliferation, and regeneration, reducing pain, inflammation, and oxidative stress.
Researchers developed a program to target vaccinations using digital contact tracing technology, which can almost halve the number of vaccines required to bring the pandemic under control. The new program prioritizes individuals with the most contacts for vaccinations while keeping personal data private.
A new study documents the formation of a 3,000-square-kilometer rift in the oldest and thickest Arctic ice, indicating the Last Ice Area may not be as resilient to climate change as previously thought. The polynya is unusual due to its location off the coast of Ellesmere Island, where ice is up to five meters thick.
Researchers at UC Berkeley engineered bacteria to produce an unnatural molecule through a combination of synthetic chemistry and biology. This breakthrough enables the creation of previously impossible chemicals, paving the way for sustainable materials and innovative products.
A new paper from University of British Columbia expert Dr. Mary O'Connor emphasizes the need to consider feedbacks in biodiversity research and policy making to mitigate negative consequences for humans. The authors propose building national and global biodiversity observatories to monitor ecosystems and human activities, enabling data...
Rice University's Neuroengineering Initiative is working on developing noninvasive systems to monitor and control the brain. Jerzy Szablowski aims to achieve single-cell precision in 15-20 years through innovative receptor development and gene therapy.
The study found that early Homo sapiens had an omnivorous diet in the tropical rainforest of Southeast Asia, consuming both plants and animals. The zinc isotope analysis revealed a mix of specialized adaptations to this environment, differing from previous assumptions about human diet.
A study published in the Journal of Infectious Diseases found that children can carry high levels of live, replicating SARS-CoV-2 virus in their respiratory secretions, with no correlation between age and viral load. The researchers also noted that viral loads are highest early in the illness in both symptomatic and asymptomatic children.
Researchers have identified a new pathway for opioid-induced reward in the brain, paving the way for creating safer opioids. By altering the opioid peptide receptor MOPR, pharmaceutical companies can potentially create drugs that bypass the brain's reward system.
New research from WVU suggests that live music can reduce pain and anxiety in pediatric critical-care patients. In a study, babies who heard live music had lower heart rates and slower breathing rates compared to those who listened to recorded music.