Nearly all university buildings at the Leiden Bio Science Park will be open and operating again as of Wednesday 24 May. Last night a team worked hard to restore the power to the buildings in phases and this was successful. Students and staff can work and study there again.

Researchers of eLaw, the Center for Law and Digital Technologies at Leiden University, published their research in Nature Machine Intelligence. The publication, written by Eduard Fosch-Villaronga, Pranav Khanna, Hadassah Drukarch, and Bart Custers, focuses on the legal and regulatory implications of…

The Netherlands Organisation for Scientific Research has awarded a grant of 750,000 euros to the 'Visualising the Unknown in 17th-century Science and Society' project. Researchers will reconstruct how seventeenth-century scientists recorded and shared their groundbreaking microscopic discoveries. We…

Registering your hypothesis and analysis plan online before starting your study – why should researchers bother? Henk van Steenbergen, a researcher in cognitive psychology, decided to give it a try. 'I used it as an exercise in open science.'

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

The popular-science book 'Doggerland. Lost World under the North Sea' has been nominated for the EAA Book Prize 2023, awarded annually by the European Association of Archaeologists. At the moment, the book is among 10 publications shortlisted for the prize, with the winner being announced in August…

As sea levels rise and climate change speeds up, knowledge about the ocean becomes increasingly important. But how is this knowledge being created and how can we use it best to prepare for the future? To answers these questions, Jackie Ashkin studies the day-to-day work of ocean scientists from up c…

Work has begun on an accommodation complex for international PhD candidates and postdocs at the Leiden Bio Science Park.

De Universiteit Leiden kan van start met de bouw van 300 studentenwoningen en 500 overige woningen in het Leiden Bio Science Park.

Dr. Jelena Belic and Dr. Tom Theuns have each been awarded XS grants from the NWO to develop innovative lines of research. Dr. Belic’s project examines distinctive ways in which the deployment of digital technologies interferes with freedom, while Dr. Theuns explores the ideological tensions between…

Festival

Algorithms solve problems. But which algorithm is best suited to which problem? During his doctoral research, Diederick Vermetten developed methods to figure this out. And that is important for the entire field.

A new collaborative monograph of democratic theory, The Sciences of the Democracies, was released by UCL Press on August 7. The book, in the style of a democratic manifesto, is written by a large number of co-authors in a bold attempt to expand and deepen how democracy is studied and understood. Among…

Jaïr van Rhenen studied Medicine in Leiden and is now a GP in the largely religious Veenendaal. Before this, he worked as a tropical medicine doctor in Lesotho. ‘If you have the prospect of an afterlife, you often respond differently to illness.’

Chaos in the Lipsius building! Master's students zigzag through the classroom, write on whiteboards and discuss tensely. In a simulation of the Leiden Leadership Programme, they experience what it is like to deal with a crisis as an office holder.

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

Study support

Graduation Ceremony

'In Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

ASTRON en de Universiteit Leiden beginnen samen een nieuwe leerstoel over sterrenkunde en AI. Bijzonder hoogleraar Joeri van Leeuwen gaat deze positie vullen.

And the construction has started! Students of the Leiden Science study associations ceremoniously hammered down the first poles of the new Gorlaeus on Tuesday morning. By doing so, they initiated the second phase of the construction of the second part of the new building.

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

Career and apply for jobs

Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.

People suffer from anxiety wait on average twelve years before seeking professional help. That’s a pity and it’s unnecessary, says development psychologist Leonie Vreeke. She is therefore developing prevention programmes where parents learn to react in a helpful way to anxious behaviour on the part…

Conference

Festival

How does astronomy benefit you? The new single-episode podcast Cosmic Perspectives explores the impact of Dutch astronomy on society: from building positive international relationships to the transfer of life-changing technology.