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Paul Scherrer Institute

The Paul Scherrer Institute, PSI, is the largest research centre for natural and engineering sciences within Switzerland. We perform world-class research in three main subject areas: Matter and Material; Energy and the Environment; and Human Health. By conducting fundamental and applied research, we work on long-term solutions for major challenges facing society, industry and science.

Current news from PSI

17. August 2015

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Terahertz laser light focused to the extreme

Matter and Material Materials Research

Researchers from the Paul Scherrer Institute have managed to focus the light pulse terahertz laser at the limit of what is permitted by the classical laws of physics. This opens up new possibilities for studying the properties of materials.

10. August 2015

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New details of the transmission of stimuli in living organisms unveiled

Media Releases Biology Human Health Medicine

Researchers unveil new details of how cells in a living organism process stimuli. So-called G-proteins, which help conduct external stimuli that reach a cell into its interior, play a central role here. For the first time, the study shows which parts of the G-proteins are vital for their function. Researchers from the Paul Scherrer Institute PSI, ETH Zurich, the pharmaceutical company Roche and the British MRC Laboratory of Molecular Biology report their results in the journals Nature and Nature Structural and Molecular Biology.

6. August 2015

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Magnets made of non-magnetic metals

Media Releases Materials Research Matter and Material Research Using Muons

For the first time, an international research team has demonstrated how to generate magnetism in metals that aren’t naturally magnetic, such as copper. The discovery could help develop novel magnets for a wide range of technical applications. Crucial measurements to understand this phenomenon were carried out at PSI – the only place where magnetic processes inside materials can be studied in sufficient detail.

30. July 2015

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Radioactive waste caught in a cement trap

Energy and Environment Environment

In a deep geological repository, low and intermediate level radioactive waste from nuclear applications is solidified by cementitious materials for several thousand years. Researchers from the Paul Scherrer Institute and the Karlsruhe Institute of Technology have now demonstrated how cement limits the mobility of those radioactive substances. The new findings improve our understanding of the processes involved in this early phase of deep geological disposal.

21. July 2015

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Fighting tumours with protons

Human Health Medicine

Interview with Damien Charles Weber
Damien Charles Weber has been the head and chief physician of the Centre for Proton Therapy, the only centre of its kind in Switzerland, since 2013. In this interview, he talks about the successes of proton therapy in cancer treatment and the objectives for the next few years in this field.

More news can be found in our popular science blog "fascinating research".

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Photo on the left: Aerial view of the PSI premises, May 2014.

Proton Therapy

Treatment for specific cancers at PSI

User Office

The PSI User Office is a central PSI installation to serve the users from all the four user laboratories.


The new large-scale facility at the PSI: overview, current issues, construction progress

Visitor Centre psi forum

Experience research live

The iLab School Laboratory

Experience Science - Explore Research

Energie Spiegel

The newsletter regularly published by PSI on the subject of energy systems and their analysis.

Fascinating research

Learn more about PSI's research cosmos