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Environment - Chemistry - 13:00
Fish are being increasingly exposed to endocrine disrupters
Microplastics, owing to their chemical properties, can carry micropollutants into a fish's digestive system where they are subsequently released through the action of its gastric and intestinal fluids. Scientists of EPFL and Eawag, working in association with other research institutes, have studied this process by looking specifically at progesterone - often pointed to as an endocrine disrupter.

Environment - Earth Sciences - 09:01
Fossil rivers of the Sahara tell of the threat of warming
Fossil rivers of the Sahara tell of the threat of warming
A UNIGE-led team has studied the fossil rivers of the Egyptian Sahara to reconstruct the region's rainfall rates that led to a major migration of people away from the Nile valley 10,000 years ago. Why did the people living near the Nile river migrate to central Egypt 10,000 years ago, when the Egyptian Sahara was still green? Geologists led by the University of Geneva , Switzerland, have studied the fossil rivers north of Lake Nasser in Egypt in order to reconstruct the palaeo-hydrology of the region and to determine the rainfall rate of this African humid period.

Health - Life Sciences - 25.10.2021
S-acylation enhances COVID-19 infection
S-acylation enhances COVID-19 infection
Like many viruses, SARS-CoV-2 relies on lipid modifications carried by host enzymes to organize their membrane structure and coordinate the function of virulence proteins. Scientists at EPFL have discovered the enzymes that transfer fatty acids to one of the main components of SARS-CoV-2, its fusion protein Spike.

Health - Life Sciences - 22.10.2021
Fighting multiple sclerosis with cold
Fighting multiple sclerosis with cold
Scientists from the University of Geneva are demonstrating how cold could alleviate the symptoms of multiple sclerosis by depriving the immune system of its energy. In evolutionary biology, the "Life History Theory", first proposed in the 1950s, postulates that when the environment is favourable, the resources used by any organism are devoted for growth and reproduction.

Pharmacology - Health - 22.10.2021
Mechanism Behind Ineffective Psoriasis Drugs Identified
Mechanism Behind Ineffective Psoriasis Drugs Identified
Interleukin-12 - a messenger molecule of immune cells - was long considered to trigger the development of psoriasis. Now, researchers at the University of Zurich have shown that interleukin-12 does not actually cause the skin disease but protects against it. This also explains why common psoriasis drugs that block the messenger show insufficient treatment efficacy.

Physics - 20.10.2021
Ultrafast optical switching can save overwhelmed datacenters
Ultrafast optical switching can save overwhelmed datacenters
EPFL and Microsoft Research scientists demonstrated ultrafast optical circuit switching using a chip-based soliton comb laser and a completely passive diffraction grating device. This particular architecture could enable an energy-efficient optical datacenter to meet enormous data bandwidth requirements in future.

Health - Pharmacology - 20.10.2021
Towards Precision Medicine for Dialysis Patients
Towards Precision Medicine for Dialysis Patients
A common gene variant for the protein Aquaporin-1 lowers the amount of water channels in the cell membranes. This reduces water transport and leads to a higher risk of death in patients with kidney failure treated with peritoneal dialysis. In such cases, specific osmotic solutions should be used, as an international research team led by the University of Zurich has shown.

Health - Life Sciences - 18.10.2021
The human immune system is an early riser
The human immune system is an early riser
Swiss and German scientists show that activation of the immune system oscillates throughout the day, with a peak just before the start of the day. Circadian clocks, which regulate most of the physiological processes of living beings over a rhythm of about 24 hours, are one of the most fundamental biological mechanisms.

Life Sciences - Health - 18.10.2021
New active agent against parasites
New active agent against parasites
Researchers at the Paul Scherrer Institute PSI have identified a chemical compound that may be suitable as an active agent against several different unicellular parasites. Among these are the pathogens that cause malaria and toxoplasmosis. The point of attack for this promising substance is the protein tubulin: It helps cells divide and therefore is essential for the multiplication of the parasites.

Physics - 18.10.2021
Ultrafast control of quantum materials
Ultrafast control of quantum materials
An international team with participation of the Paul Scherrer Institute PSI shows how light can fundamentally change the properties of solids and how these effects can be used for future applications. The researchers summarise their progress in this field, which is based among other things on experiments that can also be carried out at the Swiss X-ray free-electron laser SwissFEL, in the scientific journal Reviews of Modern Physics .

Environment - Life Sciences - 15.10.2021
Plankton head polewards
Ocean warming caused by anthropogenic greenhouse-gas emissions will prompt many species of marine plankton to seek out new habitats, in some cases as a matter of sur-vival. researchers expect many organisms to head to the poles and form new communities - with unforeseeable consequences for marine food webs.

Environment - Earth Sciences - 15.10.2021
Social media and AI can measure the aesthetic quality of landscapes
Social media and AI can measure the aesthetic quality of landscapes
To measure an ecosystem's beauty and the well-being it produces for people can help inform public environmental policy. Scientists at EPFL and Wageningen University in the Netherlands have developed a novel modeling approach for ecosystem assessments based on deep learning and millions of Flickr photos.

Health - 14.10.2021
Swissuniversities warns of a medicine and research ban
The adoption of the initiative for a ban on animal and human experimentation would prevent biomedical research and new medical treatments in particular. The high quality of healthcare and responsible research in Switzerland to the benefit of the population and the environment are at stake.

Environment - Agronomy / Food Science - 14.10.2021
Sustainable farming: There's no one solution
Sustainable farming: There’s no one solution
Sustainable agriculture will not be achieved by one universal solution. A meta-analysis by the University of Basel shows that the current focus on no-till farming does not achieve the desired results. A sustainable system of agriculture must be designed for local needs and in dialog with local farmers.

Pharmacology - 14.10.2021
New proteins enable scientists to control cell activities
New proteins enable scientists to control cell activities
Scientists have developed new controlled proteins and used to switch cellular activities on and off like a light bulb. Sailan Shui, a doctoral assistant at EPFL's Laboratory of Protein Design and Immunoengineering, enjoys playing with proteins, activating and deactivating them as she wishes, as if light switches that can be turned on and off.

Physics - Materials Science - 14.10.2021
Exotic magnetic states in miniature dimensions
Exotic magnetic states in miniature dimensions
Led by scientists at Empa and the International Iberian Nanotechnology Laboratory, an international team of researchers from Switzerland, Portugal, Germany, and Spain have succeeded in building carbon-based quantum spin chains, where they captured the emergence of one of the cornerstone models of quantum magnetism first proposed by the 2016 Nobel laureate F. D.

Astronomy / Space Science - Physics - 14.10.2021
The planet does not fall far from the star
The planet does not fall far from the star
A compositional link between planets and their respective host star has long been assumed in astronomy. For the first time now, a team of scientists, with the participation of researchers of the National Centre of Competence in Research (NCCR) PlanetS from the University of Bern and the University of Zürich, deliver empirical evidence to support the assumption - and partly contradict it at the same time.

Astronomy / Space Science - Environment - 13.10.2021
Did Venus, Earth's twin sister, ever have oceans?
Did Venus, Earth’s twin sister, ever have oceans?
Astrophysicists led by the UNIGE and the NCCR PlanetS have investigated the past of Venus to find out whether Earth's sister planet once had oceans. The planet Venus can be seen as the Earth's evil twin. At first sight, it is of comparable mass and size as our home planet, similarly consists mostly of rocky material, holds some water and has an atmosphere.

Physics - Electroengineering - 13.10.2021
How to force photons to never bounce back
How to force photons to never bounce back
Scientists have developed a topology-based method that forces microwave photons to travel along a one way path, despite unprecedented levels of disorder and obstacles on their way. This discovery paves the way to a new generation of high-frequency circuits and extremely robust, compact communication devices.

Health - Pharmacology - 12.10.2021
Highly potent antibody against SARS-CoV-2
Highly potent antibody against SARS-CoV-2
Scientists at Lausanne University Hospital (CHUV) and EPFL have discovered a highly potent monoclonal antibody that targets the SARS-CoV-2 spike protein and is effective at neutralizing all variants of concern identified to date, including the delta variant. Their findings are published in the prestigious journal Cell Reports.
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