New mul­ti­modal sig­na­ture could pre­dict immunother­apy suc­cess

An international team of researchers led by Francesca Finotello from the Digital Science Center (DiSC) and Department of Molecular Biology has derived a molecular signature from tumour transcriptomics data that quantifies the main sources of heterogeneity in the tumour microenvironment. This innovative signature, which the researchers call iHet, offers deeper insights into patients’ responses to immunotherapy and could improve cancer treatments.

One-time Coop­er­a­tion Deci­sions Unaf­fected by Increased Ben­e­fits to Soci­ety

Until now, it was considered certain that people are more likely to cooperate if the benefits from cooperation are higher. A recently published, large-scale study involving researchers from Innsbruck has now called this finding into question: in over 2000 study participants, the researchers found no relationship between benefits from cooperation and willingness to cooperate.

Philip­pines in the focus of migra­tion research

Over one million Filipinos leave their country every year to work. The high emigration figures not only concern the Philippine state, but also the economist Andreas Steinmayr. In July 2024, he resumed a long-standing collaboration with the Philippine Department of Immigration, providing researchers with valuable insights into migration dynamics.

Quan­tum vor­tices con­firm super­flu­id­ity in super­solid

Supersolids are a new form of quantum matter that has only recently been demonstrated. The state of matter can be produced artificially in ultracold, dipolar quantum gases. A team led by Innsbruck physicist Francesca Ferlaino has now demonstrated a missing hallmark of superfluidity, namely the existence of quantized vortices as system’s response to rotation. They have observed tiny quantum vortices in the supersolid, which also behave differently than previously assumed.

The unknown cli­mate fac­tor from the per­mafrost

Ecologist Christina Biasi is exploring the conditions under which tiny organisms contribute to permafrost soils emitting nitrous oxide. Her research could be essential for the development of future climate scenarios.
 

Bac­te­ria in motion

In a joint effort with various international institutions, researchers from the University of Innsbruck have described the movement patterns of the bacterium Escherichia coli. To do so, they used an engineered bacterial strain, experiments under the microscope and complicated functions.

Com­pres­sion may cool

An international research team from Innsbruck and Geneva has developed a new thermometry method to measure temperatures for low-dimensional quantum gases. With this method it was found that compressing a gas may lead to cooling. The results on this counterintuitive phenomenon have just been published in the prestigious journal Science Advances.

Weigh­ing Galaxy Clus­ters

Scientists at the Max Planck Institute for Extraterrestrial Physics have published the cosmological results of the first X-ray sky survey of the Western Galactic Hemisphere by the eRosita space telescope. The working group for Extragalactic Astrophysics at the University of Innsbruck was also significantly involved in the calculations. The results provide new insights into dark energy, the nature of the Universe and confirm a rejected hypothesis of Albert Einstein.

The “su­per­ra­di­ance” revis­ited

Theoretical physicist Farokh Mivehvar has investigated the interaction of two collections of atoms emitting light inside a quantum cavity – an optical device consisting of two high quality, tiny mirrors facing each other that confines the light within a small area for an extended time. The model and predictions can be implemented and observed in state-of-the-art cavity/waveguide-quantum-electrodynamics experiments and might have applications in the new generation of so-called “superradiant lasers”.

Biomark­ers of Aging

A new study proposes a framework to standardize biomarkers of aging and accelerate clinical use. Co-author Chiara Herzog from the European Translational Oncology Prevention and Screening Institute at the University of Innsbruck explains how this could improve the life expectancy and health of the population.

Suc­cess­ful Laser Cool­ing of Positro­n­ium

An international team of scientist including Giovanni Cerchiari from the University of Innsbruck demonstrated laser cooling of positronium, a matter-antimatter system composed of an electron and a positron, which is the antimatter counterpart. This milestone marks a pivotal advancement in our understanding and manipulation of antimatter establishing a foundation for forthcoming experiments and technological advancements.

US ski indus­try suf­fered a $5 bil­lion hit from cli­mate change

For the first time, a study has estimated the economic damage of climate change to the ski industry. The study by the University of Innsbruck and the University of Waterloo in Canada reveals that the economic losses to the US ski industry from human-caused climate change exceeded more than US$5 billion over the last two decades.

Net­work of quan­tum sen­sors boosts pre­ci­sion

Quantum sensor technology promises even more precise measurements of physical quantities. A team led by Christian Roos at the University of Innsbruck has now compared the signals of up to 91 quantum sensors with each other and thus successfully eliminated the noise caused by interactions with the environment. Correlation spectroscopy can be used to increase the precision of sensor networks.

Dimen­sion­al­ity Revealed

An international research team from Innsbruck and Geneva has, for the first time, probed the dimensional crossover for ultracold quantum matter. In the regime between one and two dimensions, the quantum particles perceive their world as being 1D or 2D depending on the length scale on which they are probed: On short distances, their world is 1D, but it is 2D on long distances. The results obtained from correlation measurements have just been published in Nature Physics.

Nano-Oscil­la­tor Hits Record Qual­ity Fac­tor

In their latest study, a team led by Tracy Northup at the Department of Experimental Physics unveils the successful creation of a levitated nanomechanical oscillator with an ultra-high quality factor, significantly surpassing previous experimental achievements.

Nerve cells in colour

A novel antibody colors all nerve cells in the model organism Hydra: Scientists were able to observe astonishing details of neuronal stimulus transmission in the nerve network of the freshwater polyp. Bert Hobmayer and his team from the Institute of Zoology contributed to the recently published findings, which are relevant for neurobiology and developmental biology.

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