Do we break the silences in our research participants’ stories? When is it ethical to write and not write about what remains unspoken in the social worlds we study? And when we encounter silences, how do we document them? These were just some of the many questions discussed during the vivid and inspiring…

Data from 41 million galaxies does not shake up the standard cosmological model after all. To that conclusion, to their own surprise, comes an international team of researchers including Koen Kuijken, professor at the Leiden Observatory.

Leiden University no longer wishes to collaborate with fossil fuel partners that are not demonstrably committed to achieving the Paris Agreement targets. Exceptions will be made only if a collaboration demonstrably contributes to the energy transition. This proposal by the Executive Board was discussed…

Four university medical centres, including the LUMC, are joining forces to increase pandemic preparedness in the Netherlands.

Research

Lionel Laborie recently joined the Institute for History as a lecturer in Early Modern History (18th Century). He introduces himself.

Leiden University has taken eighth place in this year’s SustainaBul, the sustainability ranking for universities and universities of applied sciences in the Netherlands. It was in 18th place last year.

Lukas Milevski is a lecturer in International Studies at the Institute for History. He introduces himself.

A research team from Leiden University, in cooperation with Bureau Boekhoorn Sociaal-Wetenschappelijk Onderzoek en Advies (BBSO), is to evaluate Dutch counterterrorism legislation.

On Thursday May 11, medical anthropologists from Leiden University organized a festive opening of their new network, the Leiden University Medical Anthropology Network (LUMAN). In August 2022, these Leiden-based scholars started gathering and organizing this new network with two main goals, namely to…

Nerve pain is one of the most common side effects of chemotherapy. It is therefore one of the biggest reasons for cancer patients to stop treatment early. Darcy Reynolds worked on new drug candidates against this pain during her bachelor's thesis. She developed a new series of molecules that increase…

On 13 March 2024, Carlotta Rigotti, postdoc researcher at eLaw, and Alexandre Puttick, postdoc researcher at Bern University of Applied Sciences, remotely presented the working paper 'Towards mitigating diversity bias of AI in recruitment and selection via value sensitive design' at the ACM Symposium…

Leiden Child Law Department at Leiden University in the Netherlands formally entered into a Memorandum of Understanding (MoU) with the African Child Policy Forum (ACPF)

As of 1 November, Jan Vonk has been appointed full professor of Mathematics at the Mathematical Institute (MI). The institute is delighted with Jan’s appointment, as is he. ‘At the MI we combine the abstract with the concrete like no other.’

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.

Heritage Quest is a large-scale citizen science project in the field of archaeology that allows anyone to contribute to scientific research. It is the first large-scale archaeological citizen science project in The Netherlands and one of the few of its kind in the world. As part of the Cultural Heritage…

Prof. Hanneke Hulst has been appointed Scientific Director of the Institute of Psychology by the Board of the Faculty of Social and Behavioural Sciences. She will start on 1 February 2024 for a period of 3 years, succeeding Andrea Evers and interim director Serge Rombouts.

Nico Verloop, Professor Emeritus of Educational Studies at Leiden University, passed away on 5 June 2025. Nico was the founder and first professor-director (from 1995-2010) of ICLON (Leiden University Graduate School of Teaching) at Leiden University.

Chronic pain, nausea or vomiting due to chemotherapy. If you suffer from such ailments, medicinal cannabis can be a godsend. Though a downside is that it can make patients high. Therefore, Leiden researchers from the Oncode Institute are investigating alternatives that do not make you high. In Nature…

Earlier this year, the Leiden University Libraries (UBL) Scaliger Institute announced a new fellowship: The Lingling Wiyadharma Fellowship. The fellowship programme is part of the Lingling Wiyadharma Fund.

New research sheds light on how university lecturers make critical deliberate decisions about their teaching in an era of rapid change, revealing the complex ways educators shape and navigate their professional practices amid mounting pressures.

Joop Schaye, Professor of The formation of galaxies, has been elected as a member of the Royal Netherlands Academy of Arts and Sciences (KNAW). He will be officially inaugurated on 29 September.

The Faculty of Archaeology is on the eve of a new Faculty Strategic Plan (FSP) that will cover the years 2026-2028. Dean Jan Kolen stresses the importance of involving both staff and students in this process. 'We want everyone to think along about the direction we should take as a faculty. We want a…

While humanities once mainly involved books and archives, nowadays we can’t imagine life without AI. Next semester a new faculty-wide course will be introduced, taking you along with this development. University lecturer and course coordinator Yann Ryan tells us more about it.

Molecular Science & Technology student Renske Donkers has won the second edition of the Young Star Award. During the ceremony on Wednesday 17 February, no less than three teachers were awarded the title 'Teacher of the Year'. Finally, students had a surprise in store for all teachers: with a video they…

The Faculty Board and the Institute of Private Law have agreed to combine the disciplines of child law, international children’s rights and health law into one Department of Child Law and Health Law.

Professor Eefje Cuppen is per 1 oktober de nieuwe directeur van het Rathenau Instituut.

Postdoctoral researcher Veronica Tamorri and a PhD candidate Maia Casna held an online osteoarchaeological class for secondary school children. However, based on reactions, the exchange of ideas seemed to go both ways.

For the spring semester 2025, the Austria Centre Leiden and the Institute History are excited to welcome Prof. Eva Pfanzelter to Leiden for her term as Visiting Professor in Central European Studies. Prof. Pfanzelter will teach two classes, give public talks in Leiden and around The Netherlands and…

Before coming to Leiden, Dr. Grossmann worked at the Hebrew University of Jerusalem. She first did her PhD and then she joined the Franz Rosenzweig Minerva Research Center for German-Jewish Literature and Cultural History and the Jacob Robinson Institute for the History of Individual and Collective…

The KNAW has appointed 17 new members, including Leiden University's Vanessa Mak, Professor of Private Law, and Herman Paul, Professor of History. The KNAW has approximately members, who are outstanding scientists and scholars from all disciplines.

There was a time when student Lelani Antar wanted to go to film school. She ended up studying International Studies, yet she didn’t quite say goodbye to film. For her minor, she and three other students made an essay film.

Hannelore Braeken recently joined the Institute for History as a PhD candidate, as part of Paul van Trigt's NWO project 'Collaborative learning from loneliness' (COLLELO). Below she introduces herself.

In September 2022, Ruben Ros started working at the Institute for History as a PhD candidate. Below he introduces himself!

When discussing enslavement, attention often focuses on Africans forcibly shipped to South America. Researcher Timo McGregor's new Veni research sheds light on a lesser-known method, whereby indigenous populations were enslaved through the households of colonisers.

When asked about the mission of the Leiden Jewish Studies network, Jürgen Zangenberg, Professor of Ancient Judaism and Early Christianity at Leiden University, and one of the organizers of the event says: “We try to keep the network as broad as possible, and to attract as many people from the outside…

Marlisa den Hartog is a PhD candidate at the Institute for History since January 2017. She is working on a thesis about perceptions of sexual desire and sexual identity in Italy between 1450 and 1550.

Medievalism is the area of academic study that investigates the reception and reconstruction of the medieval past since the Middle Ages came to an end.

The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…

Professor Sarah de Rijcke became the new Rector Magnificus of Leiden University on 15 January 2026. She introduces herself and shares what motivates her to take on this role.

The European Commission has selected a consortium of major European launcher and satellite manufacturers, operators and service providers, as well as policy and legal research centres and institutes to study and provide guidelines and recommendations on Space Traffic Management (STM). The IIASL of Leiden…

Dr. Vanessa Newby (ISGA) and Dr. Catherine Jones from St Andrews won a grant worth over €23.000 from the RSE Saltire Facilitation Network Award entitled: ‘Worse Things Happen at Sea’: The Governance & Security of the Ocean. The grant will comprise three workshops in 2022: one in Leiden, one in Edinburgh…

Jessica den Oudsten won this year’s Uitgeverij Verloren/Johan de Witt thesis award for history with her master’s thesis, entitled "The descendants of Norwegian and Danish Immigrants". The prize was awarded for the eighth time in collaboration with Elsevier Weekblad. The incentive award went to Amber…

The IHL Clinic offers outstanding LLM candidates the chance to work pro bono on KGF projects and gain practical experience in humanitarian law in cooperation with practitioners working in the humanitarian field.

Michael Kowalski has been appointed as part-time Professor by special appointment of Applied Ethics in Intelligence and Security at the Institute of Security and Global Affairs (ISGA) at Leiden University.

During a recent event, the Leiden Institute of Environmental Sciences presented the breadth of its research on biodiversity.

How correct are mathematical theorems? And is all the theory around them correct? To find out, mathematics student Dominique Lawson converted a mathematical theorem into computer language. ‘This allows a computer to understand the theorem and check whether the proof behind it is entirely correct.’ The…

The Dutch Ministry of Education, Culture and Science (OCW) has started a survey to identify the success factors of a strong codetermination culture within higher education institutes. All members of a codetermination council in higher education can participate in this survey until 2 April.

Professor of Brain, Safety and Resilience Anne-Laura van Harmelen has been nominated for the Huibregtsen Prize. The winner of the prize will be announced on the Evening of Science & Society (4 October).

Drained leaves and plants stripped bare. Insects can completely destroy crops. Soon, these situations may be behind us, with the new pesticide developed by Leiden and Wageningen researchers. With their plant-based ‘insect glue’, insects are incapacitated.