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Results 61 - 80 of 278.


Earth Sciences - Astronomy / Space Science - 27.10.2022
What seismic waves reveal about Martian crust
What seismic waves reveal about Martian crust
Following two large meteorite impacts on Mars, researchers have observed, for the first time, seismic waves propagating along the surface of a planet other than Earth. The data from the marsquakes was recorded by NASA's InSight lander and analysed at ETH Zurich in collaboration with the InSight Science Team.

Earth Sciences - Astronomy / Space Science - 27.10.2022
Magma on Mars likely
Magma on Mars likely
Until now, Mars has been generally considered a geologically dead planet. An international team of researchers led by ETH Zurich now reports that seismic signals indicate vulcanism still plays an active role in shaping the Martian surface. Why study the terrestrial neighbour? Exploring Earth's planetary neighbours is no easy task.

Psychology - 27.10.2022
The weak coherence of conspiracy texts
The weak coherence of conspiracy texts
Regardless of the topic, conspiracy texts refer to a greater number of themes and are less coherent than non-conspiracy writings. This is the result of the largest comparison ever carried out between texts supporting these theories and non-conspiracy writings, i.e. 96,000 articles analyzed in total.

Pharmacology - Health - 27.10.2022
Vodka, Benzodiazepines & Co: A Dangerous Mix for Young People
At least 33 young people have died from polydrug use in Switzerland since 2018. Polydrug use refers to taking two or more psychoactive substances at the same time. The young adults are often unaware of the associated risks and rarely use the available services to minimize the risks, the initial results of a study by the Swiss Research Institute for Public Health and Addiction (IGSF) and the University of Zurich have shown.

Health - Life Sciences - 27.10.2022
The major chord that cures nightmares
The major chord that cures nightmares
A team from the UNIGE and the HUG has developed a promising method for treating people whose negative dreams are pathological. Oppressive, frightening, nerve-wracking: nightmares are particularly disturbing dreams. They are considered pathological when they occur frequently (>1 episode per week) and cause daytime fatigue, mood alteration and anxiety.

Materials Science - Electroengineering - 27.10.2022
'Grätzel' solar cells achieve a new record
’Grätzel’ solar cells achieve a new record
Scientists at EPFL have increased the power conversion efficiency of dye-sensitized solar cells ("Grätzel cells") beyond 15% in direct sunlight and 30% in ambient light conditions. Mesoscopic dye-sensitized solar cells (DSCs) were invented in 1990s by Brian O'Regan and Michael Grätzel, taking on the latter's name - the world-famous Grätzel cells.

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.

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