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Results 61 - 80 of 275.


Health - Life Sciences - 26.10.2022
Fighting tumours with magnetic bacteria
Fighting tumours with magnetic bacteria
Researchers at ETH Zurich are planning to use magnetic bacteria to fight cancerous tumours. They have now found a way for these microorganisms to effectively cross blood vessel walls and subsequently colonise a tumour. Scientists around the world are researching how anti-cancer drugs can most efficiently reach the tumours they target.

Life Sciences - Health - 26.10.2022
A key regulator of cell growth deciphered
A key regulator of cell growth deciphered
A team from the University of Geneva has identified the structure of a protein complex controlling the activity of the major regulator of cell growth. The mTOR protein plays a central role in cell growth, proliferation and survival. Its activity varies according to the availability of nutrients and some growth factors, including hormones.

Materials Science - 25.10.2022
Stable in all kinds of shapes
Stable in all kinds of shapes
Researchers have developed a structure that can switch between stable shapes as needed while being remarkably simple to produce. The key lies in a clever combination of base materials. For a great many years, researchers have been trying to create structures that can assume different stable shapes as required.

Life Sciences - Paleontology - 25.10.2022
Vocal Communication Originated over 400 Million Years Ago
Vocal Communication Originated over 400 Million Years Ago
Acoustic communication is not only widespread in land vertebrates like birds and mammals, but also in reptiles, amphibians, and fishes. Many of them are usually considered mute, but in fact show broad and complex acoustic repertoires. According to researchers at University of Zurich, the evolutionary origin of vocal communication dates back more than 400 million years.

Life Sciences - Health - 25.10.2022
How a key immune protein is regulated in the cell
How a key immune protein is regulated in the cell
Scientists at EPFL have determined how a protein that is critical in our first line of immune defense is regulated in the cell to prevent autoinflammatory diseases. How does a cell "know" that it's infected? This is a key question for innate immunity, our first line of defense to any infection or injury, made up of cells that quickly identify pathogens, like viral DNA.

Life Sciences - Physics - 24.10.2022
A revolutionary method to observe cell transport
A revolutionary method to observe cell transport
A team from the UNIGE, in collaboration with the UZH, has developed an innovative strategy for studying membrane proteins, the targets of many drugs. Membrane proteins are key targets for many drugs. They are located between the outside and inside of our cells. Some of them, called ''transporters'', move certain substances in and out of the cellular environment.

Environment - Chemistry - 24.10.2022
Accurately tracking how plastic biodegrades
Accurately tracking how plastic biodegrades
Researchers at ETH Zurich and Eawag have developed an approach to accurately record and fully track the biodegradation of plastics in soils. Modern agriculture uses a lot of plastic, especially in the form of mulch film that farmers use to cover field soils. This keeps the soils moist for crops, suppresses weeds and promotes crop growth.

Physics - Innovation - 24.10.2022
Miniaturized infrared detectors
Miniaturized infrared detectors
Extreme miniaturization of infrared (IR) detectors is critical for their integration into next-generation consumer electronics, wearables and ultra-small satellites. Thus far, however, IR detectors have relied on bulky (and expensive) materials and technologies. A team of scientists lead by Empa researcher Ivan Shorubalko now succeeded in developing a cost-effective miniaturization process for IR spectrometers based on a quantum dot photodetector, which can be integrated on a single chip, as they report in Nature Photonics.

Art and Design - Innovation - 21.10.2022
Dürer goes digital
Dürer goes digital
The Graphische Sammlung ETH Zürich has digitised over 50,000 artworks and made them freely accessible. Linda Schädler, Head of the Graphische Sammlung, explains in an interview why she hopes to do the same with the remaining 110,000. Ms Schädler, ETH-s collection of prints and drawings has now digitised 50,000 of its artworks.

Health - Innovation - 21.10.2022
Flexible surgical needle offers enhanced precision
Flexible surgical needle offers enhanced precision
Engineers from EPFL and the University of Strasbourg have developed an innovative surgical needle whose trajectory can be corrected on the fly, thanks to a flexible tip controlled with a simple button. Intended for use in image-guided surgery, the needle offers greater precision in surgeon's movements and reduces the risk for patients.

Environment - 19.10.2022
Renewable cellulose-based fillers
Renewable cellulose-based fillers
The substitution of petrochemical materials with those obtained from renewable raw materials is an important step towards increasing sustainability.

Environment - Earth Sciences - 18.10.2022
How rusting iron removes arsenic from water
How rusting iron removes arsenic from water
In many regions of the world, groundwater is contaminated with arsenic of natural origin. The harmful substance can be filtered out of water with the help of iron. researchers have for the first time made visible exactly what happens in this process in a new type of experimental set-up. When metallic iron corrodes, i.e. rusts, iron oxides are formed that can strongly bind pollutants such as arsenic.

Life Sciences - 18.10.2022
Literacy Influences Understanding of Speech
Literacy Influences Understanding of Speech
Do people who can read and write understand spoken language better than those who are illiterate? Research carried out by researchers from Zurich with collaborators in India has found that handwriting, specifically the type of writing system used for a language, influences how our brains process speech.

Economics / Business - 18.10.2022
Returns in online retail: what they cost and how they can be avoided
Returns in online retail: what they cost and how they can be avoided
Returns are an integral part of online retailing. Up to 60 percent of the goods ordered are returned in individual online stores. This causes high costs, as the online retailer survey by the Lucerne University of Applied Sciences and Arts reveals. An HSLU research team asked online stores how returns can be avoided.

Chemistry - Computer Science - 18.10.2022
Machine learning predicts heat capacities of MOFs
Machine learning predicts heat capacities of MOFs
Chemical engineers at EPFL have developed a machine-learning model that can accurately predict the heat capacity of the versatile metal-organic framework materials. The work shows that the overall energy costs of carbon-capture processes could be much lower than expected. Metal-organic frameworks (MOFs) are a class of materials that contain nano-sized pores.

Psychology - 14.10.2022
Too much motivation affects our decision-making
Too much motivation affects our decision-making
A team from the UNIGE, in collaboration with EPFL, reveals how motivation influences the neural circuits of perception and impacts decision-making. In a good or a bad mood, focused or distracted, in dire or no need: our internal states directly influence our perceptions and decision-making. While the role of motivation on the performance of behavioural tasks has been known for more than a century - thanks to the work of psychologists Robert Yerkes and John Dilligham Dodson - its precise effect on the brain remains unclear.

Astronomy / Space Science - 13.10.2022
Espresso detects barium in the atmosphere of an exoplanet
Espresso detects barium in the atmosphere of an exoplanet
The spectrograph developed by the UNIGE has enabled the discovery of the heaviest element ever detected in the atmosphere of a planet outside the solar system. An international team including researchers from the University of Geneva and the National Centre of Competence in Research (NCCR) PlanetS has detected the heaviest element ever found in the atmosphere of an exoplanet: barium.

Life Sciences - 13.10.2022
How is laughter triggered?
How is laughter triggered?
Laughter is a form of vocal communication that can interfere with speech: who hasn't had a fit of laughter that prevented them from speaking? Thanks to functional imaging, a research team from the University of Fribourg was able to locate the areas of the brain in which these two systems interact. The results highlight the importance of brain stem circuits for the control of laughter .

Pedagogy - 13.10.2022
Early Self-Regulation Boosts Children’s Educational Success
A study by the universities of Zurich and Mainz has shown that teaching children how to manage their attention and impulses in primary school has a positive long-term effect on their later educational success. Self-regulation, i.e., the ability to manage attention, emotions and impulses, as well as to pursue individual goals with perseverance, is not a skill that we usually associate with young children.

Life Sciences - 13.10.2022
When dangerous toxins teach fundamental biology
Exploring the mechanics of anthrax infection, scientists at EPFL have discovered two proteins that are involved in controlling the levels of cholesterol in the membrane of our cells. "What our work shows is how a complex in the center of the cell, the ER-Golgi interaction region, controls plasma membrane cholesterol, which is essential for many cellular functions, if not essential for multicellular life," says Professor Gisou van der Goot at EPFL's School of Life Sciences.

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