Researchers at LIACS have found a vulnerability in open-source code that’s been used around the world for over 15 years. They’ve also developed an AI-based tool to fix the problem automatically. ‘You really can’t afford to lean back.’

The Leiden Institute for Area Studies (LIAS) has a new Director of Education. Rint Sybesma was appointed with effect from 1 September. ‘I am looking forward to getting to know the institute even better.’

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

The PDI-SSH grant will be used by Meuwese to create a web portal and collection of tools and resources, named ‘WetSuite’, that will help researchers apply Natural Language Processing (NLP) methods to legal textual data from public bodies.

Packages of DNA strands containing silver, measuring just two or three nanometres in size. Leiden physicists Donny de Bruin and Dirk Bouwmeester create these packages, which can enter living cells on their own. They then activate the silver with light, causing the cells to break down. This could, in…

Research

The university campus at the Leiden Bio Science Park is flourishing. A new book tells the stories behind this remarkable metamorphosis.

On 1 May, Casper de Jonge will be appointed Professor of Greek Language and Literature. ‘Greek literature did not come from Athens alone: authors from Egypt, Syria and Asia Minor also wrote in Greek.’

This month, ten teachers received a Senior Qualification Education (SKO), including Marcellus Ubbink and Daan van der Es from our faculty. Why did they go through the process of getting qualified, and should all teachers have an SKO?

Publishing an article as early as during your studies. Master's students of Nanne Timmer and Astrid Weyenberg are doing it. In the new course 'Leiden Graduate Journal Culture and Society' they are creating an academic journal.

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

There are more molecules that could conceivably be candidate drugs than there are stars in the universe. How can we ever efficiently identify those molecules? Professor of AI and Medicinal Chemistry, Gerard van Westen: ‘I’m going to use artificial intelligence as the co-pilot to make an automated search.’…

The Faculty Council is the main consultation and advisory body within the Faculty of Archaeology. Three students and three staff members together represent the Faculty community, advising the board, as well as taking the initiative to put things on the agenda. We speak with council member, and bachelor's…

Ten projects have been selected during the fourth call in the Seed Funding Programme launched by EUniWell. Marieke Liem, Professor Social Resilience and Security, has received a grant for the MASTERY project.

We catched up with Annette Righolt, Honours College coordinator at FGGA, about a grant, a new course and the new year.

PhD candidate Daniël Gomon has developed statistical methods that could significantly improve research in fields like medicine and demography. ‘Mathematicians don’t like unrealistic assumptions,’ he says. Gomon will defend his PhD thesis on 19 June.

A new position has been created at the Faculty of Humanities. On 1 September, Marian Klamer became the first Director of PhD Programmes at the Graduate School. ‘I want to find the balance.’

Archaeology is also digging with computers. This digital quest to find out how we humans lived in the past is what Karsten Lambers likes doing most. He is the first Professor of Digital and Computational Archaeology in the country. ‘A dream come true.’

Frederica Mogherini, Rector of the College of Europe, visited Campus The Hague on 23 November for the official launch of the Europe Hub. This new interdisciplinary platform for research and teaching at Leiden University focuses on the social and governance challenges facing Europe.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

During her study of Latin America, Tineke Floor laid the intercultural foundation that has served her well in her career. Floor currently works as Director Europe at African Parks, an NGO that promotes nature conservation in Africa. How does she look back on her studies? And why the leap to another…

ICT, Security

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

In the 18th century, the French colonial empire teemed with protectionist laws. Nevertheless, businessmen from the Republic played an important role in the French economy, and thus in the colonial system. PhD student Tessa de Boer explored how this came about.

The decolonisation war in Indonesia was violent partly because the Dutch military operated on the conviction that ‘an uprising had to be forcibly suppressed.’ This what historian Christiaan Harinck from the KITLV discovered in his PhD research.

Interdisciplinary and transdisciplinary collaboration can be tricky. We don’t all speak the same ‘language’ or know how to find each other. At the Knowledge Orchard anniversary event on 28 November, academics made and strengthened connections.

Tech giants such as Google, Apple, and Microsoft are increasingly shaping the digital world we live in. Reijer Passchier cautions: 'Urgent measures are needed to curb this influence.'

Collaborating in drug discovery and health research was the goal of a visit to the Leiden Bio Science Park on 14 May by a Swedish delegation including His Majesty King Carl XVI Gustav of Sweden. The delegation visited Leiden University’s Faculty of Science.

As Board Secretary, Corry Donner aims to be a ‘spider in the web’; someone who keeps a watchful eye on and brings together all the different perspectives of the institute’s board. Now she's left her carefully woven web at the university and transfer her tasks to her successor. Last September, we talked…

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.

After a turbulent Covid year, the well-being of our students and staff has the highest priority. How can we prevent physical and mental health problems? This was the key question at the Opening of the Academic Year in Pieterskerk in Leiden on 6 September.

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

Wouter Weeda became the new scientific director of the Institute of Psychology in December. But he is also a football coach, bass player in the Thursday Evening Band and chairman of the National Magic Association. Get to know Wouter in 13 minutes.

2025 was a year full of impact and milestones for FGGA: From a record number of graduates and new programmes to international collaborations, prestigious awards and research that pushes boundaries and provides insight into current challenges.