A team of researchers from BrainLinks-BrainTools proposes a new model for understanding the neural processes involved in movement planning. They demonstrate how neurons in the premotor cortex communicate with both inhibitory and excitatory neurons in the primary motor cortex, enabling precise execution of planned movements.
Researchers discovered that random sounds played during sleep can disrupt the consolidation of new memories by altering the composition of sleep stages. Participants who heard randomly played sounds spent less time in deep sleep and experienced poorer memory performance.
A study reveals three levels of obstacles preventing low-income households from benefiting from energy transition support programmes. Four design principles for equitable energy policy are proposed, including barrier-aware mechanisms and immediate financial relief.
A team of researchers discovered that SYFO2, a poorly studied protein, plays a key role in the 'self-fertilization' of legumes by enabling rhizobia to enter root cells. This breakthrough could lead to more efficient nitrogen-fixing abilities in crops.
Researchers tracked individual honey bees to record high-resolution flight paths in natural landscapes, revealing precise navigation and unique routes. Visual landmarks aid the bees' navigation, increasing the precision of their flight paths.
A new study found that participants felt closer to AI in emotional conversations than humans, especially when the AI provided personal information. However, this closeness decreased significantly when participants knew they were communicating with an AI.
A study published in NeuroImage found that even a short afternoon nap can reorganize connections between nerve cells, improving the brain's capacity to encode new information. This 'synaptic reset' helps relieve mental fatigue and prepare the brain for learning.
The Eva Mayr-Stihl Foundation is funding a new tenure track endowed professorship for silviculture and climate change adaptation, an international research laboratory, and an incubator fund. The initiative aims to adapt forests to global change while securing their ecological and social functions.
The University of Freiburg is witnessing a surge in interdisciplinary research success with the recent awarding of four Synergy Grants from the European Research Council. Prof. Dr. Stefan Glunz's project aims to develop resource-efficient photovoltaic technologies, while Prof. Dr. Claudine Kraft's project investigates the degradation o...
Researchers at the University of Freiburg are developing boronic acid-catalysed amidation reactions that use sustainable solvents, consume little energy, and produce only water as a by-product. The AI-powered approach aims to improve resource efficiency in the chemical industry and achieve United Nations' global sustainability goals.
A protective mechanism involving actin filaments forms in the cell nucleus to prevent DNA loss and stabilize the nucleus. This mechanism allows cancer cells to survive high mechanical stress during migration, which is crucial for metastasis.
A research team at the University of Freiburg has discovered a cellular degradation machinery that acts as a switch to regulate plant hormone auxin availability. This mechanism allows plants to dynamically adjust their growth in response to environmental conditions, such as light and soil quality.
A new international study shows that increasing tree species diversity does not necessarily make forests more resilient to prolonged droughts. The study found that the effects of diversity on tree growth can shift from beneficial to negative as droughts drag on, with some mixes even strengthening forest stress and competition for water.
A German researcher is investigating Chinese fantasy fiction's role in shaping cultural identity, historical images, and visions of the future. She aims to develop a theory of Chinese fantasy as a mirror of social transformation and create a digital encyclopaedia of contemporary Chinese fantasy.
A new AI-based model identifies four central state dimensions that better capture the progression of MS, including physical disability and brain damage. The findings could fundamentally change diagnosis and treatment for MS patients.
Researchers discovered how the genome uses competition between proteins to prevent rogue retrotransposon LINE1 from causing damage. The team found that a modified protein NRBP2 marks and disposes of another protein NRBP1, which is no longer functional due to mutations.
A flexible signal within TAF2 helps connect gene expression to RNA processing by guiding the protein to nuclear speckles. This mechanism enables targeted localisation and alternative splicing, modulating how information is processed at the RNA level.
A study published in Global Change Biology found that forests with multiple tree species store significantly more carbon than those with only one species. The Sardinilla experiment in Panama revealed that mixed-species forests sequester up to 57% more carbon in aboveground tree biomass.
Researchers have discovered a new method to create supramolecular qubits using non-covalent bonds, paving the way for scalable and low-effort material development. This breakthrough has significant implications for quantum technology advancements in molecular spintronics.
A small protein called Shethna II forms a complex with enzyme nitrogenase to protect it from oxidative damage. This discovery could help reduce synthetic fertilizer use in agriculture and initiate a paradigm shift in green biotechnology.
TabPFN learns causal relationships from synthetic data, making correct predictions more likely than existing algorithms. The model requires fewer resources and data, making it ideal for small companies and teams.
Researchers found that ants learn to associate the scent of attackers with aggression, leading to increased behavior towards familiar competitors. The study suggests that ants can adapt their olfactory receptors based on their experiences, reflecting what they have learned.
Scientists have identified the crucial role of weak molecular interactions in triggering autophagy, a process that breaks down unnecessary cell components. By artificially controlling these interactions, researchers aim to improve the degradation of aggregates in neurodegenerative diseases and enhance cancer treatments.
Scientists successfully produced and controlled hybrid electron-photon quantum states in helium atoms, enabling direct manipulation of these transient states. This breakthrough uses a new laser pulse-shaping technique and high-intensity extreme ultraviolet light pulses to achieve control over the hybrid quantum states.
The European Union has funded a five-year research project to study the adaptability of tissues, with a focus on mucociliary tissues that play key roles in the body's protective functions. The team aims to understand how these tissues function and which mechanisms cause their failure in diseases.
Prof Dr Oana Cojocaru-Mirédin has been awarded a Consolidator Grant from the European Research Council (ERC) to study grain boundaries in crystalline materials, with potential benefits for cost-effective thin-film solar cells and new technologies.
Mitochondria regulate cell death and inflammation by releasing pro-inflammatory messenger substances, a process controlled by the NLRP3 sensor. This discovery could lead to new treatments for inflammatory diseases such as gout, type 2 diabetes, and severe COVID-19.
A research team at the University of Freiburg has developed a novel biomimetic speaking valve technology inspired by the carnivorous bladderwort plant. The new valve features an integrated pressure release valve and acoustic warning signal, enabling timely pressure release and alerting medical personnel to potential hazards.
A stroke damages the body's natural repair system, which generates newborn neurons to replace damaged cells. This disruption is caused by activated microglial cells in the subventricular zone, leading to reduced survival of newborn neurons compared to healthy brains.
Researchers at University of Freiburg developed AI models that generate high-quality doctor's letters with 93.1% usability, significantly simplifying clinical practice. The study evaluated 90,000 real clinical documents and found that adapted language models are crucial for practical use.
Scientists have developed a formalised view to systematically compare internal world models across species. This enables the analysis of human and animal world models and their application to improve artificial intelligence. The study also aims to better understand mental illnesses such as depression and schizophrenia.
A research collaboration has uncovered a unique mechanism of crosstalk between microtubules and actin cytoskeleton during cell division, revealing characteristics of the previously unexplored protein FAM110A. This breakthrough finding enhances understanding of critical process relevant in developmental disorders and cancer.
Cyanobacteria have been found to manipulate microorganisms to promote their own photosynthesis by regulating nitrogen and carbohydrate metabolism. This newly discovered gene, NirP1, plays a key role in this process, allowing cyanobacteria to export nitrite that stimulates the growth of beneficial microorganisms.
A research team at the University of Freiburg has discovered a universal mechanism that leads to adhesion hysteresis in soft materials, which is caused by surface roughness. The team demonstrated that roughness interferes with the separation process, causing abrupt movements that release parts of the adhesive bond incrementally.
Researchers have developed a user-friendly method to analyze the basement membrane in human lungs, which is a crucial factor during metastatic process. The study provides valuable insights into the mechanical properties of the basement membrane and its association with metastasis formation.
The new guidelines recognize the aorta as an independent organ, bundling its treatment with other specialties. This holistic approach improves treatment outcomes for patients with aortic rupture and other serious diseases.
Historical spy-satellite photographs provide insights into past ecosystem changes, species populations, and human influences on the environment. The study's findings can aid conservation planning and ecosystem restoration efforts by mapping historical ecological baselines.
Researchers at the University of Freiburg discovered that defective signalling pathways play a decisive role in immune cell development, leading to problems with B cell maturation and function. This finding opens up new therapeutic approaches for autoimmune diseases like ALPS.
A study found that human hunting reduces red deer density more than large carnivore presence, while land use increases density. The return of the wolf to Central Europe has limited impact on red deer populations due to high mortality rates from road traffic.
Researchers at the University of Freiburg have developed modified CAR-T cells that prevent exhaustion and significantly enhance therapy effectiveness in a preclinical animal model. The new approach uses the delta chain signaling subunit instead of the zeta chain, which triggers a more balanced immune response.
Climate impacts like dry summers causing tree growth reduction and increased mortality in the Black Forest. The study found a peak in tree mortality in 2019, with mortality rates exceeding 40% of sustainable annual growth.
A recent study published in Neuron reveals that Noelin proteins play a crucial role in learning and memory formation in the mammalian brain. The study found that these proteins act as 'universal anchors' controlling the distribution and dynamics of AMPA receptors, which are essential for synaptic plasticity.
Researchers from University of Freiburg and University of Cambridge have observed dynamic molecular aggregates in cells for the first time. These condensates play a crucial role in controlling biochemical processes and are regulated by active biological mechanisms, not just physical forces.
The rare moss Takakia has developed unique adaptations to survive frost, high UV radiation, and extreme altitudes. Climate change is altering its natural habitat, posing a threat to this ancient species.
A research team has developed an organic redox polymer that surpasses the capacity of graphite, enabling aluminium-ion batteries to store up to 167 milliampere hours per gram. The battery retains 88% of its capacity after 5,000 charge cycles at 10 C.
Research reveals that sucrose produced through photosynthesis acts as a signal transmitter for light-dependent root architecture, guiding elongation and lateral root formation. The study demonstrates that sucrose regulates auxin production, driving lateral root development in response to environmental changes.
Researchers have discovered the formation and decay process of solvated dielectrons for the first time, using ammonia droplets containing a sodium atom. The process involves one electron migrating to solvent molecules while the other is ejected, with potential applications in reducing agents and chemical reactions.
Researchers have identified the oldest known true-to-scale construction plans in human history, dating back 8,000 to 9,000 years. The ancient engravings depict so-called desert dragons, kilometre-long megastructures used for trapping animals.
Researchers discovered that gamma delta T cells can effectively combat triple-negative breast cancer by targeting stress-induced molecules and phosphoantigens. Counteracting metabolic changes with zolendronate makes immunotherapy more efficient.
Researchers at the University of Freiburg have discovered a new type of friction in proteins called anisotropic friction, which depends on direction. The discovery was made using single molecule experiments and simulations, revealing that friction increases with the pulling angle applied to a ligand from a protein.