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Université de Genève


Malice leaves a nasty smell

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.

SourceUniversité de Genève·JournalJournal of Mathematical Sciences Advances and Applications·DateOct 16, 2020

Winners and losers of energy transition

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.

SourceUniversité de Genève·JournalNature Communications·DateOct 13, 2020

Mental accounting is impacting sustainable behavior

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.

SourceUniversité de Genève·JournalNature Energy·DateOct 13, 2020

Making disorder for an ideal battery

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.

SourceUniversité de Genève·JournalCell Reports Physical Science·DateOct 12, 2020

Colorectal cancer treatment: the winning combinations

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.

SourceUniversité de Genève·JournalMolecular Oncology·DateOct 6, 2020

Snakes reveal the origin of skin colours

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.

SourceUniversité de Genève·JournalProceedings of the National Academy of Sciences·DateOct 5, 2020

Sport and memory go hand in hand

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.

SourceUniversité de Genève·JournalScientific Reports·DateSep 23, 2020

Biodiversity hypothesis called into question

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.

SourceUniversité de Genève·JournalProceedings of the National Academy of Sciences·DateSep 21, 2020

Anti-reflective coating inspired by fly eyes

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.

SourceUniversité de Genève·JournalNature·DateSep 16, 2020

Embryos taking shape via buckling

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.

SourceUniversité de Genève·JournalDevelopmental Cell·DateSep 14, 2020

Stronger bones thanks to heat and microbiota

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.

SourceUniversité de Genève·JournalCell Metabolism·DateSep 11, 2020

Brain stimulation reduces dyslexia deficits

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.

SourceUniversité de Genève·JournalPLOS Biology·DateSep 9, 2020

Cold-sensitive staphylococci reveal a weakness

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.

SourceUniversité de Genève·JournalPLOS Genetics·DateAug 3, 2020

Computational model decodes speech by predicting it

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...

SourceUniversité de Genève·JournalNature Communications·DateJun 26, 2020

Fewer antibiotics to better fight bacterial infections

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.

SourceUniversité de Genève·JournalJAMA·DateJun 5, 2020

Brain or muscles, what do we lose first?

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.

SourceUniversité de Genève·JournalHealth Psychology·DateMar 24, 2020

Access to forbidden rings

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.

SourceUniversité de Genève·JournalAngewandte Chemie·DateMar 18, 2020

To protect your brain, don't be (too) kind!

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.

SourceUniversité de Genève·JournalNeurobiology of Aging·DateMar 12, 2020

Solved: The mystery of the expansion of the universe

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.

SourceUniversité de Genève·JournalPhysics Letters B·DateMar 10, 2020

A scaffold at the center of our cellular skeleton

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.

SourceUniversité de Genève·JournalScience Advances·DateFeb 20, 2020

Creating custom light using 2D materials

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.

SourceUniversité de Genève·JournalNature Materials·DateFeb 18, 2020

Our memory prefers essence over form

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.

SourceUniversité de Genève·JournalActa Physiologica·DateFeb 14, 2020

Could resetting our internal clocks help control diabetes?

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.

SourceUniversité de Genève·JournalProceedings of the National Academy of Sciences·DateJan 31, 2020

No need to dig too deep to find gold!

The study found that the depth of porphyry copper and gold deposits influences their composition, with deeper deposits containing more copper and shallower deposits containing more gold. Over 95% of gold is lost to the atmosphere through volcanic emissions, making it challenging for companies to extract this metal.

SourceUniversité de Genève·JournalNature Communications·DateJan 14, 2020

Water governance: Could less sometimes be more?

A study of six European countries' water governance systems from 1750 to 2006 found that the introduction of new regulations can lead to conflicts, inefficiencies, and a decrease in system coherence. The researchers argue that less regulation may be more effective in achieving positive environmental impacts.

SourceUniversité de Genève·JournalEcological Economics·DateJan 10, 2020

Indeterminist physics for an open world

A UNIGE physicist proposes altering the mathematical language of classical physics to allow for indeterminism and randomness, resolving contradictions with quantum physics. This shift would enable a more intuitive approach to understanding the world, closer to our everyday experience.

SourceUniversité de Genève·JournalNature Physics·DateJan 7, 2020