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Results 41 - 60 of 348.


Physics - Chemistry - 19.03.2024
Spectroscopy and theory shed light on excitons in semiconductors
Spectroscopy and theory shed light on excitons in semiconductors
Research team led by Göttingen University make extremely fast, precise images for first time From solar panels on our roofs to the new OLED TV screens, many everyday electronic devices simply wouldn't work without the interaction between light and the materials that make up semiconductors. A new category of semiconductors is based on organic molecules, which largely consist of carbon, such as buckminsterfullerene.

Life Sciences - Health - 18.03.2024
Cells inherit protection from sunburn
Cells inherit protection from sunburn
UV radiation in the sunlight causes sunburn and increases the risk of skin cancer by damaging our DNA but also our RNA. Researchers at the Max Planck Institute of Immunobiology and Epigenetics in Freiburg, Germany, have now unveiled a cellular shield that protect cells from the harmful effects of damaged RNA caused by ultraviolet radiation.

Health - Life Sciences - 18.03.2024
The laborious path of a fungal toxin
The laborious path of a fungal toxin
The toxin Candidalysin of the yeast Candida albicans is incorporated into an unusual protein structure during an infection, the composition of which has so far been a mystery to scientists. Researchers at the Leibniz Institute for Natural Product Research and Infection Biology (Leibniz-HKI) have now succeeded in deciphering the function of this unusual arrangement.

Environment - 18.03.2024
Reaching under the wings of birds in the agricultural landscape
Reaching under the wings of birds in the agricultural landscape
Research team shows links between agricultural landscape structure and bird populations . The intensification of agriculture has its price: it makes landscapes structurally more uniform and thus contributes to the decline in biodiversity. How should agricultural landscapes be designed in order to promote biodiversity? A new study by researchers from the University of Göttingen, the Dachverband Deutscher Avifaunisten (DDA) e. V.

Physics - 18.03.2024
Where quantum computers can score
Where quantum computers can score
The travelling salesman problem is considered a prime example of combinatorial optimization problems. Now a Berlin team led by theoretical physicist Jens Eisert from Freie Universität Berlin has shown that a certain class of such problems can actually be solved better and much faster using quantum computers than with conventional methods.

Life Sciences - Health - 15.03.2024
Newly discovered receptor influences gut development in fruit flies
Newly discovered receptor influences gut development in fruit flies
Adhesion GPCRs are a group of G protein-coupled receptors associated with many bodily functions and diseases in humans. Scientists at Leipzig University have discovered a new receptor - which they have named "mayo" - and found that it influences the development of the small intestine and heart function in fruit flies, and that these phenomena may also be relevant in humans.

Life Sciences - Health - 15.03.2024
Same Target, Different Effects
Same Target, Different Effects
Even if they attack the same target in the bacterial cell, the cellular response to different antibiotics can vary. There is an urgent need for new antimicrobial strategies to keep pathogens in check. This applies specifically to Gram-negative bacteria, which are protected from antibiotic intervention by a thick second membrane.

Social Sciences - 15.03.2024
Do school grades influence parental support?
The Max Planck Institute for Demographic Research in Rostock, Germany, has researched parents' support behavior in relation to school grades. The study shows that low-income families support their children equally regardless of grades, while parents from higher income groups tend to give more support to children with lower grades.

Environment - 14.03.2024
Plant identification via app enables phenological monitoring
Plant identification via app enables phenological monitoring
Researchers at the Max Planck Institute for Biogeochemistry in Jena and the TU Ilmenau have shown that plant observations collected using plant identification apps such as Flora Incognita can provide information about the developmental stages of plants - both on a small scale and across Europe. "The snowdrops have never bloomed as early as this year, have they?" Many people who walk through nature with their eyes open are sure to have asked themselves these or similar questions.

Life Sciences - Health - 14.03.2024
Interaction between metabolic health and healthy aging supported
Ribosomes, the "translation factories" of the cell, are cellular organelles that play a central role in protein synthesis, a vital process for all living organisms. These tiny structures themselves consist of ribonucleic acid (RNA) and proteins and are essential for the survival and normal functioning of the cell, as the proteins they produce are required for nearly all cellular processes, including structure, function, and regulation.

Computer Science - Physics - 14.03.2024
Redefining Quantum Machine Learning
New study from team of quantum physicists at Freie Universität Berlin challenges traditional understanding of quantum machine learning Machine learning is a branch of artificial intelligence (AI) and computer science that focuses on the use of data and algorithms to allow computers to learn without explicitly being programmed.

Paleontology - 13.03.2024
Newly discovered: Fossil giant turtle named after Stephen King novel character
Newly discovered: Fossil giant turtle named after Stephen King novel character
An international research team led by Dr. Gabriel S. Ferreira from the Senckenberg Center for Human Evolution and Palaeoenvironment at the University of has described a new species of giant turtle from the late Pleistocene.

Chemistry - Life Sciences - 13.03.2024
Stronger than Nature: Optimised Radicals as Potential Novel Catalysts
Research team redesigns phenoxyl radicals with improved oxidation capacity in the lab. Nature uses enzymes for various metabolic processes. These biological catalysts are extremely efficient. Biomimetic catalysts based on inexpensive starting materials from the laboratory that can reproduce the efficiency of the natural enzymes and can function at ambient conditions are therefore of great interest to research and industry.

Economics - Agronomy / Food Science - 12.03.2024
Shopping study in a virtual supermarket
A study by the University of Bonn shows: Banners with information on animal welfare have no influence on purchasing behavior How can we encourage consumers to pay more attention to animal welfare aspects when they purchase meat? It now appears that this cannot be achieved solely by making the animal husbandry labels more visible.

Psychology - 12.03.2024
Included in the thought? New studies on the generic masculine
Included in the thought? New studies on the generic masculine
The generic masculine generally emphasizes the masculine side. The fact that all genders are of course meant does not change this. This is shown by a new study by Würzburg psychologists. It is a crux with the generic masculine in German: if a group is made up of 99 female professors and only one male professor, it would be grammatically correct to speak of "the professors" in this case.

Life Sciences - Health - 11.03.2024
A giant called MIMAS in the cell power plants
A giant called MIMAS in the cell power plants
Freiburg research team discovers mega-protein complex with surprising properties in mitochondria Mitochondria provide the majority of the body's energy supply and are considered the power plants of the cells. The energy comes from cellular respiration, in which metabolic products are burned in the inner mitochondrial membrane.

Life Sciences - Health - 11.03.2024
The right approach increases willingness to donate stem cells
The right approach increases willingness to donate stem cells
Every year, more than 20,000 people in Germany die from blood cancer. In children, blood cancer is even the most common type of cancer. Donations of stem cells from bone marrow or blood increase the chance of survival for people suffering from leukemia or other forms of blood cancer. However, it can take years between the registration of those willing to donate and their actual donation.

Life Sciences - Chemistry - 11.03.2024
Following Proteins on Their Journey
Following Proteins on Their Journey
Team of researchers at Freie Universität Berlin develops new technique to release and study individual proteins in cells / Study published in "Nature Methods" A research team led by biochemist Professor Helge Ewers from Freie Universität Berlin has developed a new technique for the light-mediated release and investigation of proteins in live cells.

History / Archeology - Religions - 07.03.2024
Rabana-Merquly: Was the Mountain Fortress also a Parthian-Era Sanctuary?
Rabana-Merquly: Was the Mountain Fortress also a Parthian-Era Sanctuary?
Archaeological excavations in Iraqi Kurdistan point to a place of worship for the water goddess Anahita Besides being a fortress for military use, the ancient mountain settlement of Rabana-Merquly in

Materials Science - 07.03.2024
How surface roughness influences the adhesion of soft materials
Research team discovers universal mechanism that leads to adhesion hysteresis in soft materials Adhesive tape or sticky notes are easy to attach to a surface, but are difficult to remove. This phenomenon, known as adhesion hysteresis, can be fundamentally observed in soft, elastic materials: Adhesive contact is formed more easily than it is broken.