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Results 41 - 60 of 141.


Environment - 29.04.2024
How can forests be reforested in a climate-friendly way?
How can forests be reforested in a climate-friendly way?
Only a few tree species are flexible enough to survive a century of rapid climate change Europe's forests have already been severely affected by climate change. Thousands of hectares of trees have already died due to drought and bark beetles. Scientists from the University of Vienna and the Technical University of Munich have now investigated which trees can be used for reforestation.

Physics - 29.04.2024
High-tech Gemstones for Nuclear Science
High-tech Gemstones for Nuclear Science
Special thorium-containing crystals, developed over many years at TU Wien, were crucial in tracking down the long-sought thorium transition. Emerald, ruby, amethyst and many other gemstones have one thing in common: they consist of a perfectly regular crystal structure into which foreign atoms are incorporated in low concentrations.

Physics - Chemistry - 29.04.2024
Atomic Nucleus Excited with Laser: A Breakthrough after Decades
Atomic Nucleus Excited with Laser: A Breakthrough after Decades
The "thorium transition", which physicists have been looking for for decades, has now been excited for the first time with lasers. This paves the way for revolutionary high precision technologies, including nuclear clocks. Physicists have been hoping for this moment for a long time: for many years, scientists all'around the world have been searching for a very specific state of thorium atomic nuclei that promises revolutionary technological applications.

Environment - Life Sciences - 26.04.2024
Biodiversity: climate becomes the main player
Biodiversity: climate becomes the main player
A recent study in the journal Science takes the most comprehensive look yet at the past and future of global biodiversity: intensive land use reduced biodiversity by up to around 10 percent over the course of the 20th century. By 2050, the climate crisis could become the main factor, alongside land use, for further losses in biodiversity.

Computer Science - History / Archeology - 25.04.2024
Early Christian Altar Stone: Swarm Intelligence to Help with Reconstruction
Early Christian Altar Stone: Swarm Intelligence to Help with Reconstruction
Researchers from TU Graz and the University of Graz have digitised a broken altar stone from Lavant so that citizens can put it together on the internet. The aim is to achieve what generations of archaeologists have failed to do. The Bishop's church at Kirchbichl in Lavant in East Tyrol is one of the most important early Christian monuments in Austria.

Health - Life Sciences - 24.04.2024
Immune cells in the starting blocks: 'Always ready' is hard work
Immune cells in the starting blocks: ’Always ready’ is hard work
When pathogens invade the body, the immune system must react immediately and prevent or contain an infection. But how do our immune cells stay ready when there is no attacker in sight? Scientists from Vienna and Salzburg have come up with an intriguing explanation: They are stimulated by healthy tissue.

Life Sciences - Health - 24.04.2024
Giant Viruses Infect Deadly Parasite
Giant Viruses Infect Deadly Parasite
New unusual giant virus discovered in wastewater treatment plant near Vienna The single-celled organism Naegleria fowleri ranks among the deadliest human parasites. Researchers around Matthias Horn and Patrick Arthofer from the Center for Microbiology and Environmental Systems Science at the University of Vienna, in an international collaboration, have discovered viruses that infect this harmful microbe.

Materials Science - Environment - 24.04.2024
Nanofibers rid water of hazardous dyes
Nanofibers rid water of hazardous dyes
Dyes, such as those used in the textile industry, are a major environmental problem. At TU Wien, efficient filters have now been developed - based on cellulose waste. Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved: a special nanostructure has been developed to filter a widespread class of harmful dyes from water.

Health - Life Sciences - 24.04.2024
Project NETTLE: An exciting look into the research lab
We visit Sabrina Vorderegger in the Biomedical Sciences research laboratory at SALK. Sabrina started as a researcher at the Salzburg University of Applied Sciences in February, she was hired specifically for the Interreg project NETTLE. The aim of the project is to obtain natural extracts from various alpine plant species with interesting biological activities that are typical of the Austrian-Italian border region.

Health - 24.04.2024
Ready and Vigilant: Immune Cells on Standby
Ready and Vigilant: Immune Cells on Standby
When pathogens invade the body, the immune system must react immediately to prevent or contain an infection. But how do our defence cells stay ready when no attacker is in sight? Scientists from Vienna have found a surprising explanation: They are constantly stimulated by healthy tissue. This keeps them active and ready to respond to pathogens.

Health - Pharmacology - 23.04.2024
Liver cancer: Molecular signalling pathway of tumour development decoded
Liver cancer: Molecular signalling pathway of tumour development decoded
As a malignant disease of the liver cells, hepatocellular carcinoma (HCC) is one of the main causes of cancer-related deaths. While the treatment options for this aggressive type of cancer remain limited, the incidence is increasing. A research team led by Latifa Bakiri and Erwin Wagner from MedUni Vienna's Clinical Institute for Laboratory Medicine has now described a molecular signalling pathway that plays a key role in the development of liver cancer, thereby identifying a potential new starting point for the development of therapeutic treatments.

Physics - Computer Science - 19.04.2024
Compact quantum light processing
Compact quantum light processing
An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among several single photons using a novel resource-efficient platform. The work published in the prestigious journal Science Advances represents a notable advancement in optical quantum computing that paves the way for more scalable quantum technologies.

Physics - Astronomy / Space - 18.04.2024
COSINUS searches for dark matter
COSINUS searches for dark matter
In the COSINUS research project, an international team involving TU Wien and the Austrian Academy of Sciences (ÖAW) is searching for evidence of dark matter. The large-scale experiment is now starting in Italy . How can we understand dark matter? It probably makes up around 85% of the mass in the universe, but what it is and what it consists of is still one of the biggest and most difficult questions in modern physics.

Life Sciences - Environment - 17.04.2024
How soil microbes survive in harsh desert environments
How soil microbes survive in harsh desert environments
As desertification spreads worldwide, scientists discover how desert microbes endure harsh drought periods Prolonged droughts followed by sudden bursts of rainfall - how do desert soil bacteria manage to survive such harsh conditions? This long-debated question has now been answered by an ERC project led by microbiologist Dagmar Woebken from the Centre for Microbiology and Environmental Systems Science (CeMESS) at the University of Vienna.

Health - Life Sciences - 17.04.2024
New disease gene for epilepsy and developmental disorder discovered
New disease gene for epilepsy and developmental disorder discovered
GABA A receptors play a central role in the development of epilepsy and developmental disorders, with nine out of 19 GABA A receptor genes already associated with genetic diseases. Now, as part of an international study led by Martin Krenn from MedUni Vienna's Department of Neurology, GABRA4 has been identified as a new disease gene in four cases.

Paleontology - Life Sciences - 16.04.2024
Seed ferns: plants experimented with complex leaf vein networks 201 million years ago
Seed ferns: plants experimented with complex leaf vein networks 201 million years ago
Flowering plant-type leaf veins died out and re-evolved several times in the course of the Earth's history According to a research team led by palaeontologists from the University of Vienna, the net-like leaf veining typical for today's flowering plants developed much earlier than previously thought, but died out again several times.

Computer Science - 15.04.2024
Security Vulnerability in Browser Interface Allows Computer Access via Graphics Card
Security Vulnerability in Browser Interface Allows Computer Access via Graphics Card
Researchers at TU Graz were successful with three different side-channel attacks on graphics cards via the WebGPU browser interface. The attacks were fast enough to succeed during normal surfing behaviour. Modern websites place ever greater demands on the computing power of computers. For this reason, web browsers have also had access to the computing capacities of the graphics card (Graphics Processing Unit or GPU) in addition to the CPU of a computer for a number of years.

Astronomy / Space - Physics - 12.04.2024
Stellar winds of three sun-like stars detected for the first time
Stellar winds of three sun-like stars detected for the first time
Astrophysicists were able to quantify the mass loss of stars via their stellar winds An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three Sun-like stars by recording the X-ray emission from their astrospheres, and placed constraints on the mass loss rate of the stars via their stellar winds.

Environment - Physics - 10.04.2024
Novel UV Broadband Spectrometer Revolutionises Air Pollutant Analysis
Novel UV Broadband Spectrometer Revolutionises Air Pollutant Analysis
The laser-based technology developed at TU Graz enables the continual real-time analysis of air pollutants and their interaction with other gases and sunlight. Sunlight has a major influence on chemical processes. Its high-energy UV radiation in particular is strongly absorbed by all materials and triggers photochemical reactions of the substances present in the air.

Health - Life Sciences - 10.04.2024
Key interaction of molecules discovered to influence hormone release
In a study recently published in the scientific journal PNAS, a research team led by MedUni Vienna has presented results that show a new way for drug development for post-traumatic stress disorder, alongside other indications. Although around four per cent of the population suffer from this mental illness, only symptomatic therapies are currently available.