Research finds that nanosilver disturbs the metabolism of algae, making their membranes more permeable and reducing photosynthesis. This can have significant impacts on the aquatic food chain and oxygen production. The study uses metabolomics to detect early changes induced by nanoparticles.
Researchers found that high concentrations of fine particles less than 2.5 micrometers in size can modulate the waves of SARS-CoV-2 contamination and explain the profile of the COVID-19 pandemic. Acute exposure to these particles aggravates respiratory, pulmonary, and cardiovascular issues, promoting severe disease progression.
Researchers at UNIGE have identified sulfur molecules that can effectively block the uptake of SARS-CoV-2 viruses by cells. The team found inhibitors up to 5,000 times more effective than existing treatments, providing a promising lead for developing new antivirals.
A study published in Nature Communications reveals that species diversity is optimal for equatorial and tropical rainforests, while abundance of trees is key to carbon storage in colder regions. The findings have substantial practical relevance for climate change mitigation strategies.
Scientists from UNIGE and HUG identified the essential role of circadian clocks in beta cell regeneration. The study found that regeneration is significantly greater at night, when mice are active, and that the BMAL1 gene plays a crucial role in this process.
Researchers have identified a gene, VSIG1, that prevents the development of metastatic tumour cells, enabling targeted therapies to be developed. The study validates the use of spiked-scRNAseq technology for testing drugs against metastases, including personalized approaches.
A new method using zircon crystals reveals that up to 350 km3 of magma are stored below Nevado de Toluca volcano, potentially leading to devastating eruptions. This technique provides a resolution two times higher than existing methods and is applicable to most types of volcanoes.
Researchers from UNIGE discovered that when the neuronal fibres connecting the hemispheres are missing, the brain reorganises itself and creates new connections. Intra-hemispheric connections increase, enabling communication between the two hemispheres to be maintained.
Researchers identified a critical glycosylation step and a control protein that regulate flagellum assembly. The discovery sheds light on bacterial motility and provides insights into protein synthesis and cytoskeleton formation.
A study by Université de Genève analyzed 911 tree species in Geneva's urban spaces and found that most native and non-native species provide similar ecosystem services. Despite some drawbacks, the research concludes that introduced species can have a beneficial role in certain contexts.
A study by researchers at the University of Geneva suggests that unhealthy behaviors trigger brain responses similar to those prompted by bad smells. Disgust is identified as a biomarker in the brain for this phenomenon, which has implications for our understanding of moral judgments and survival reflexes.
A study found that people who support immigration are ready to adopt empathy and perspective taking, while those opposed feel more competition. The research suggests that explicit instructions for empathy may not work on people of different political opinions.
A new UNIGE study models 100 feasible scenarios to achieve Central European electricity sector targets by 2035. The research highlights trade-offs between cost-efficiency, renewable electricity, and regional equality, suggesting a compromise is possible to share costs and benefits evenly across regions.
Researchers analyze how our minds plan resource use to reduce excessive energy consumption and carbon emissions. They propose concrete strategies to fine-tune policy instruments and promote sustainable behavior, taking into account cognitive mechanisms such as spillover effects, rebound effects, and mental accounting labels.
Researchers at Université de Genève develop non-flammable solid electrolyte that operates at room temperature, transporting sodium instead of lithium. The new battery technology has potential to store more energy and is being used to create a new generation of stable and powerful batteries.
Scientists have developed a technique that quickly identifies optimal synergistic combinations of anticancer drugs, reducing tumour growth by 80% and outperforming chemotherapy. The technology, called TGMO, achieves results in under two weeks, paving the way for personalized, effective, and safe cancer treatment.
A UNIGE team discovers that a single gene mutation affects every skin color in corn snakes, storing both pigments and crystals in lysosome-related vesicles. This study marks a significant step forward in understanding the origin of colors and patterns in vertebrates.
European wildcats are at risk of genetic replacement by domestic cats due to hybridization, which can lead to the loss of distinct gene pools and ultimately extinction. A new study predicts that this process could occur within 200-300 years, even with conservation efforts.
Neuroscientists at UNIGE discover that intense physical exercise improves memory and brain activation, particularly in young individuals. Regular sports activity can potentially enhance learning and reduce the risk of neurodegenerative diseases like Alzheimer's.
A new study reveals that species are better equipped to thrive in both abundant and scarce food environments, contradicting the long-held 'gleaner-exploiter' trade-off theory. The researchers argue that a risk-taking trade-off to access food is more likely, explaining the diversity of biological species.
A team from UNIGE has successfully replicated a nanoscale coating on different surfaces, mimicking the natural anti-reflective and anti-adhesive properties of fly eyes. The coating consists of two ingredients: retinin and corneal wax, which work together to generate a regular network of protuberances.
Researchers from UNIGE have successfully demonstrated that cellular tissues deform through buckling, a phenomenon that could be crucial for understanding embryo development. By recreating the process in vitro and analyzing the mechanical properties of artificial embryos, the team provided quantitative proof of the hypothesis.
Researchers found exposure to warmer temperatures improves bone strength, preventing bone density loss typical of osteoporosis. The gut microbiota plays a crucial role in this phenomenon, adapting to heat by disrupting polyamine synthesis and degradation, which affects osteoblasts and osteoclasts.
Researchers from Université de Genève demonstrate a causal relationship between brain oscillations at 30 Hz and phoneme processing essential for reading. Non-invasive brain electrical stimulation improves phonological deficits and reading accuracy in adults with dyslexia, paving the way for targeted non-invasive therapeutic interventions.
Scientists have created a novel artificial material made of thin layers of nickelates, which can accurately control electronic properties and develop energy-efficient devices. By refining the layers to eight atoms, the entire sample behaves like a single material with one large jump in conductivity.
Researchers at Université de Genève discovered that the RNA helicase protein contributes to the synthesis of fatty acids, a crucial component of bacterial membranes. The findings provide insight into golden staph's ability to adapt to changing environments and may lead to new treatment options.
Researchers have discovered that a drop in cell membrane tension controls protein sorting, using molecular probes to measure and visualize endosomes' physical properties. This finding has implications for understanding cancer and degenerative diseases.
A study by scientists from Université de Genève found that active mediation in couples enhances conflict resolution and satisfaction. Couples who received mediation showed increased activation in the nucleus accumbens, a key region associated with feelings of pleasure and motivation.
Researchers found loss of taste and smell to be predictive symptoms of COVID-19, contrary to hospital data. Primary care physicians' unique perspective sheds light on the limitations of relying solely on hospital data in public health policy.
The Vav3 protein creates bacterial docking stations on airways' surface, facilitating recurrent infections in cystic fibrosis. Inhibiting this protein may prevent respiratory complications by limiting bacterial adhesion.
Researchers tracked eye movements of children aged 5, 8 and 10, and adults, finding they looked longer at faces congruent with heard voices. The study suggests a spontaneous amodal coding of emotions, enabling children to make connections between vocal emotion and facial expression from age 8.
Researchers from UNIGE developed a computational model that reproduces the brain's mechanism for analyzing spoken language. The model uses predictive coding to optimize perception by constantly trying to predict sensory signals. It has successfully recognized thousands of syllables in hundreds of sentences, validating the idea that neu...
Research reveals that a reward should neither be too small nor too large to optimize memory encoding. The brain needs rewards to motivate us, but also challenges, and the perfect balance allows for better memory consolidation.
A study of 2,766 people in Geneva found that only 10.8% had been infected with Covid-19, with children under 9 and the elderly having a lower seroprevalence. Protective measures contributed to the decline of the pandemic.
Researchers analyzed the genetic variability of immunity in response to COVID-19, identifying key HLA molecules that contribute to individual susceptibility. The study found significant differences in HLA variant frequencies across populations, suggesting past adaptations to different pathogenic pressures.
A multicentre study involving over 500 patients found that a shorter treatment duration, reduced to half the standard 14-day course, was equally effective in treating bacteraemia. The researchers also identified certain risk factors, including older age and pathogen type, which can influence the effectiveness of antibiotic treatment.
The ESPRESSO spectrograph has confirmed the existence of Proxima b, a planet the size of Earth orbiting Proxima Centauri in just 11.2 days. The discovery reveals that Proxima b is located in its star's habitable zone and could potentially harbor life.
A recent study found that public parks fulfill essential human needs, including social connection, self-determination, and community engagement. The use of parks is linked to improved overall well-being, making them a crucial component of sustainable development.
A study found that people infected with Hepatitis D have up to three times the risk of developing hepatocellular carcinoma compared to those infected only with Hepatitis B. Researchers are calling for increased awareness and screening of Hepatitis D in patients with Hepatitis B.
Researchers from UNIGE used a database of over 100,000 people to study the relationship between physical and cognitive abilities after 50 years of age. They found that cognitive decline precedes physical activity, suggesting prioritizing brain exercise may slow down an inevitable decline.
Researchers at UNIGE have developed a new technique for creating chains of molecular rings that do not use standard chemical interactions but instead contact with large molecular surfaces. This discovery helps answer an old contradiction in classical chemistry and provides new prospects for molecular cyclization.
A new study by the University of Geneva reveals that elderly individuals with low agreeableness are better protected against Alzheimer's disease. Brain imaging and psycho-cognitive evaluations showed that these individuals have preserved brain regions damaged in normal aging and Alzheimer's disease.
A UNIGE researcher has solved a scientific controversy about the speed of the universe's expansion by proposing that it may not be homogeneous on a large scale. This approach eliminates a divergence between two independent calculation methods, which previously yielded conflicting values for the Hubble constant.
Researchers from the University of Geneva have developed a new technique for tying molecules together, resulting in modified mechanical properties. The method uses fatty molecules that self-assemble into knots without losing material, allowing for analysis of changes in mechanical properties.
Scientists from UNIGE and HUG identify monogenic diabetes in 42% of pediatric patients, enabling tailored treatments. The study highlights the need for precision medicine to address chronic hyperglycemia, suggesting a systematic diagnosis approach to minimize long-term complications.
Researchers from Université de Genève have discovered an internal structure at the center of centrioles, crucial organelles that form the cell skeleton. This finding provides a better understanding of centriole functions and pathologies associated with their dysfunction, including ciliopathies and retinal disorders.
Scientists at UNIGE discovered a protein, S100A11, that promotes inflammation and build-up of fibrous tissue in the liver, increasing cancer severity. The presence of S100A11 in blood may enable early detection through simple blood sampling, paving the way for targeted therapies.
Scientists have created custom light using 2D materials by combining different transition metal dichalcogenides to form artificial semi-conductors emitting specific colors. This discovery opens up new strategies for manipulating light with precise energy and color, paving the way for mass industrialization of tailor-made lighting.
A study by UNIGE and CY Cergy Paris University reveals that our memory organises experiences based on structural features, rather than superficial similarities. This finding has significant implications for education, highlighting the need to focus on conceptual aspects of situations to help pupils make use of relevant features.
Disturbances in the internal clocks of pancreatic cells are linked to type-2 diabetes. Researchers successfully restored clock function using a natural compound, improving insulin secretion and providing new hope for diabetes care. The study shows that synchronizing the internal clocks can help regulate blood sugar levels.