Exceptional collaboration between physicians is needed to better understand and treat autoimmune diseases that cause inflammation in various organ systems.

With ongoing protests across Iran, many are asking whether the regime is on the brink of collapse. Three Leiden experts share their perspectives.

People need to get to know each other to see the positive side of migration, according to photographer and documentary maker Koen Suidgeest. Since the end of September, Suidgeest has been the new city photographer for the region of Leiden. His goal is to photograph as many cultural identities as possible…

In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.

The Ecuadorian Pachakutik party is one of the oldest indigenous political movements in Latin America. Despite not being very successful at the polls and hardly having organisational resources at its disposal, Pachakutik is still part of Ecuador’s political landscape. In her dissertation, Political Scientist…

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.

Winners of Children's Rights Moot Court 2023

Are you doing research on migration policy in a country that is facing democratic backsliding or breakdown, or that is deepening its already-autocratic character? Are you struggling with how to best do your research so that it is meaningful and scientifically sound yet safe for you and research participants?…

During the guest lecture on 9 February, Jaap de Hoop Scheffer, Rob de Wijk and Frans Osinga discussed the situation in Ukraine and Taiwan. The crises in eastern Ukraine and the increasing tensions around Taiwan highlight the challenges the West faces in deterring aggression in the new era of key dynamics…

Ruurd Halbertsma combines his work as a curator and professor by special appointment with writing thrillers. 'I'd rather respond to the discussion on looted art this way than by joining talk shows.'

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

In November 2024, Dr. Hana Kubatova (Charles University, Prague) visited Leiden to talk with students and our community about academic freedom and neutrality at the university. This meaningful event was planned by student leaders from CIROS (Community for International Relations and Organisations Students)…

Professor Pieter ter Keurs has spent his entire career studying collecting. Now, he is retiring. ‘I hope the focus on collections will carry on.’

Leiden patriot Pieter Vreede fought for greater popular influence. Historian Dirk Alkemade reveals how this pioneer used radical means to shape Dutch democracy.

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life. This time, Jasper writes his column from Singapore.

Annetje Ottow, president of the Executive Board of Leiden University, has been the new chair of the Leiden-Delft-Erasmus (LDE) strategic alliance for just two months. What does she want to achieve during her two-year chairmanship?

This week we welcomed a high-level delegation from the Dutch Research Council (NWO) and the National Natural Science Foundation of China (NSFC) to Leiden’s Institute of Environmental Sciences (CML).

Jasper Knoester, decaan van de Faculteit Wiskunde & Natuurwetenschappen, blikt terug op 2025 in "het jaar van Jasper".

Afghans who came to the Netherlands in a hurry, refugees who were used as leverage by Belarus and boat refugees who tried to reach Europe in an increasingly desperate manner: the newspapers were once again filled with news about migrants. Today, on International Migrants Day, we talk to professor Marlou…

Jasper Knoester is the dean of the Faculty of Science at Leiden University. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Documenting and preserving rock art in the Pakistani Himalayas; this was the aim of the ‘Karakorum Rescue Project’ to which students at the Honours College Archaeology contributed. A Leiden exhibition visualises the project: ‘There is something magical about it.’

Marlou Schrover played an important role in the study of migration history for many years. Now she is bidding farewell.

Over the course of the 20th century, politicians increasingly came to rely on experts. Their language was peppered with terms like ‘policy pathways’ and ‘evaluation frameworks’. This made debates more abstract and less ideological.

Different groups can have different memories of the same historical event. This can lead to conflict but does not have to. How is this, and how can countries and people reconcile with the past?

On Tuesday 20 September, David Kilcullen, one of the world’s leading experts on modern warfare, visited Campus The Hague of Leiden University to discuss future developments in special operations and the escalating competition between great powers.

Whispp, a Leiden-based speech technology start-up, is developing an app to help people who stutter express themselves more freely. Among those working together with Joris Castermans and his team at Whispp, are researchers and students from the Leiden University Centre for Linguistics (LUCL).

The US-Israeli strikes on Iran have been welcomed by critics of the regime but have also prompted intense concern. They’ve triggered a dangerous domino effect across the region and beyond. Leiden experts share their insights on the potential consequences.

Researchers from Leiden University, University of York, University of Barcelona/IQTCUB/ICREA and The Francis Crick Institute report a new class of experimental compounds that powerfully block influenza viruses. The findings offer a potential new strategy for treating flu infections and preparing for…

What is the environmental impact of the fish on our plates? And is an electric car really more sustainable when we include the generation of electricity? Jeroen Guinée maps the environmental impact of products and technologies. He analyses them from raw material to waste disposal. He was appointed Professor…

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

Eline Westra recently joined the Institute for History as a postdoctoral researcher in the NWA-funded project 'Dilemmas of Doing Diversity', under the supervision of Marlou Schrover. Below, she introduces herself.

The Guggenheim Fellowship is a prestigious award for US nationals. There are more than 3,000 applications every year, and this year only 188 were honoured. Professor Jonathan Silk is one of these 188, the first ever at Leiden University, and he tells us more about the fellowship and what he will do…

In the current political situation of Bulgaria, it seems that a long-term caretaker government is the only viable option at the moment. Dimiter Toshkov, Antoaneta Dimitrova and Bernard Steunenberg of FGGA analyse what the Bulgarian caretaker government can learn from its Dutch counterpart.

Researchers at the Faculty of Science work every day at the frontiers of knowledge, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements.

Security

From 25 March to 15 April, the photo exhibition 'NATO and the Netherlands: A Journey' will be on display on the third floor of Wijnhaven.

On May 8, the Faculty of Archaeology celebrated its yearly End of Academic Year Event. The event was a chance for staff and students to mingle, while enjoying a nice meal together.

On 9 October 2023, Carlotta Rigotti and Eduard Fosch-Villaronga participated in the BIAS webinar on citizen science and AI technologies, namely the first awareness-raising activity of the Horizon Europe BIAS project. They discussed online citizens’ engagement on tackling gender and intersectional biases…

In the University elections in April, the eight student seats on the University Council have gone to six parties, and newcomers the Liberal Student Party and the Party for Biomedical Students have each won one seat.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

It was meant as a joke for friends and family. A quick snap of him with his bags packed while watching the exit polls of the Dutch general elections. But the photo of our colleague Ilyasse El Boujadayni soon found its way around the entire country and before he knew it, he was being invited by national…

Pablo Merayo Montes recently joined the Institute for History as a PhD candidate within the NWO-funded project 'Dutch guest workers in 18th century Spain’ under the supervision of Raymond Fagel. Below, he introduces himself.

From March 1, Alenka Prinčič will be the new Head of the Centre for Digital Scholarship (CDS) at Leiden University Libraries. Her expertise in the areas of Research Support, Research Infrastructures and Open Publishing as well as her longstanding experience as a manager are excellent starting points…

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

On January 28 and 29, 2021 the conference ‘Imperial Artefacts: History, Law and the Looting of Cultural Property’ took place online. This first of its kind event at Leiden University was an interdisciplinary online conference and brought together (post-)colonial historians, legal historians, curators,…

On 10 June 2022, a conference on topical issues in Dutch subsidy law was held at the Old Observatory building of Leiden University. With almost 90 enthusiastic participants, it was a huge success!

Within her research, Janna Marie Bas-Hoogendam covers multiple fields of study, like psychology and psychiatry. For this interdisciplinary work she will receive a major private science prize from the Foundation for Interdisciplinary Behavioural Research (SIGO). Why does the Leiden neuroscientist think…

The European Commission awarded the project proposal INSIGHT, a follow-up project on illegal firearms trafficking and gun violence from Professor Social Resilience and Security Marieke Liem and PhD-researcher Katharina Krüsselmann of the Institute of Security and Global Affairs (ISGA).

As of 1 September, Michel Mandjes has been appointed full professor of Probability and Operations Research at the Mathematical Institute. He succeeds Frank den Hollander, who will retire on 1 October. ‘The combination of deep thinking on your own combined with working towards solutions together with…