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Results 81 - 100 of 416.
Switzerland has a new breeding bird: the cattle egret has nested on Swiss soil for the first time, the culmination of a long evolutionary process.
In addition to heat and drought, various invasive beetles and other harmful organisms caused problems in the forest in 2022. Many of the observed insects and fungi are new to Switzerland, as the Swiss Forest Protection Competence Center of the Swiss Federal Institute for Forest, Snow and Landscape Research reports in its forest protection overview .
A team of Swiss and Greek archaeologists recently completed the third season of excavations on the wreck of Antikythera. The wreck of Antikythera was recently brought into the spotlight by the film Indiana Jones and the Dial of Destiny. Far from the cinematic imagination, an international team of archaeologists, divers, engineers and physical and natural scientists is currently excavating the famous wreck.
A team led by researchers from ETH Zurich and WSL advances to the finals of the XPRIZE Rainforest Competition. The international competition aims to promote the development of autonomous technologies for collecting data on biodiversity. The XPRIZE Rainforest Competition is an international contest offering the winning team generous prize money of five million US dollars.
Researchers at the University of Bern have studied antibody levels against Sars-CoV-2 and their influence on infections with different variants of the virus in employees of the Bern Cantonal Police for over a year. Among other things, the results show that antibody levels offered different levels of protection depending on the variant of the virus and that police officers did not become infected with Covid-19 more frequently than the rest of the population, even though they have very frequent contact with people.
Science often runs ahead of legislation - and this is now also true for research on embryo-like cell aggregates from human stem cells. Bioethicist Alessandro Blasimme of ETH Zurich explains why this controversial topic calls for legal clarity. As publicly announced in June, three research teams from the UK, the US and Israel have independently succeeded in developing cell aggregates from human stem cells that very closely resemble the early human embryo.
The pathogens that cause urinary tract infections are becoming increasingly resistant to antibiotics. researchers have now developed a rapid test and a new therapeutic approach using bacteria-infecting viruses known as phages. About one in two women are affected by cystitis during her lifetime, and many suffer from recurrent urinary tract infections.
The Molecular Oncology research group, led by Prof. Andrea Alimonti at the Institute of Oncology Research (IOR, affiliated to USI and member of Bios+), has discovered that prostate cancer cells hijacked the translation machinery to recruit immunosuppressive myeloid cells that aid in evading the immune system.
Fossils of coelacanth discovered in Ticino reveal the existence of an unexpected diversification after the greatest mass extinction in the history of life. The study of a new species of coelacanth from the Middle Triassic period, with a strange morphology for these fish known as "living fossil", show the formation of several species in a short time, after a mass extinction that occurred 252 million years ago, with more than 80% of marine species disappearing.
Glioblastomas are among the most aggressive kinds of brain tumors. Even immunotherapy treatments that have proved effective against other cancers seem to be powerless against them. Researchers at the University of Basel and University Hospital Basel have now described how to improve the immune system's chances against this type of tumor.
Researchers from USI reveal the role of mRNA methylation in restraining mast cell functions. Mast cells are cells of the innate immune system with crucial roles in allergy and asthma. Aberrant mast cell responses can lead to highly reduced quality of life and even life-threating conditions, as in the case of anaphylactic reactions.
A research team from ETH Zurich and the Paul Scherrer Institute PSI together with the Baden Cantonal Hospital and the University Hospital Zurich wants to improve a method for diagnosing breast cancer. In 2020, breast cancer was the most commonly diagnosed form of cancer worldwide, with over two million cases.
Alexander von Humboldt was a pioneer of climate research. On his voyages to America (1799-1804) and Asia (1829), he conducted meteorological measurements that he used to develop a modern, holistic model of the Earth's climate.
SLF biologists are retracing two expeditions undertaken 20 and 90 years ago. Like their predecessors, they will be recording the plant populations they come across, and analysing how these have changed over recent decades. They expect this to provide new insights into the effects of climate change. Biologists Christian Rixen and Andreas Gygax from the WSL Institute for Snow and Avalanche Research (SLF) set off for Greenland on 25 July, following in the footsteps of two earlier scientists.
Scientists have developed a model that sheds light on the seismic risks arising from subsurface fluid injections carried out as part of geothermal energy extraction. To support the shift to a carbon-free economy, energy producers are eagerly looking for ways to safely extract geothermal energy from deep underground.
Researchers have found a way to significantly improve the operational stability of perovskite solar cells at high temperatures, which is necessary for their use in terawatt power grids. Perovskite solar cells (PSCs) have gained attention for their high power-conversion efficiencies and low-cost solution processing.
Antipsychotic drugs are used to treat and manage symptoms of many psychiatric disorders, but their mechanisms of action remain a mystery. FMI researchers found that antipsychotics reduce long-range communication within a specific layer of the brain cortex — a finding that may explain how these medications work.
Since the dawn of time, humans have used plants to heal themselves. But it wasn't until the 18th century that we began to understand that this healing power came from certain specific compounds: active ingredients. In a collective work for the general public entitled 'Plantes soignantes' (Healing plants), the contributions of two biology researchers from the University of Neuchâtel, Emmanuel Defossez and Sergio Rasmann, retrace the major stages in this quest, the potential of which remains largely unexplored .
Researchers at EPFL introduce the highly-multidisciplinary, AI-enhanced, biosensing tool ImmunoSEIRA for the detection of misfolded proteins linked to Parkinson's and Alzheimer's disease. By combining multiple advanced technologies into a single system, researchers have made a significant step forward in diagnosing neurodegenerative diseases (NDDs) such as Parkinson's disease (PD) and Alzheimer's disease (AD).
With the start of the Women's World Cup on July 20, the quality of women's football is once again in the spotlight. In this discourse, a new study provides interesting insights: According to the study, men's soccer is only rated significantly better when the gender of the players is clearly identifiable.
