Curiosities from the anatomical theatre, swords from the fencing school and 17th-century portraits of the University's founders. The new University Room in Museum De Lakenhal portrays the turbulent first hundred years of Leiden University.

From now on, you can go for a walk through Leiden’s scientific history and at the same time across the historic city center itself. Master students Lotte Koemans and Mandy Meijer have developed an audio tour which takes you past all six wall formulas in the inner city of Leiden.

This week, Leiden University bade farewell to Henri Lenferink, who is retiring after 20 years as mayor of Leiden.

On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.

My research project aims to analyze reasons of the European Union’s (EU) inadequacy to develop a strong Common Security and Defense Policy (CSDP) with regard to the role of main EU member states, namely Germany and the United Kingdom (UK) and find the answer of how the EU overcome the CSDP question…

In this project diverse aspects of the duchesses’ roles in the complex and dynamic relations between town and crown are studied on the basis of systematic research in the account books of four cities (Ghent, Bruges, Leuven and Mechelen) in the Burgundian Netherlands (ca. 1430-1503).

How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

Moritz Jesse, Associate Professor of EU Law at the Europa Institute, has published his book, “The Civic Citizens of Europe: The Legal Potential for Immigrant Integration in the EU, Belgium, Germany, and the United Kingdom”.

On the brand-new Leiden Teachers Blog, Leiden teachers share their experiences with educational innovation. They show colleagues, students, and everyone else who is interested the different facets of creating university education.

The objective of this project is to show how teacher research can encourage teachers’ learning process as professionals, improve teaching practices and generate knowledge about these practices.

Associates of Leiden University Center for Intercultural Philosophy

The CNaVT exam is the official, international exam of Dutch as a Foreign Language for all who learn Dutch all over the world. The Catholic University of Leuven organizes the exam. The Dutch Language Union has commissioned this collaboration.

Many students have difficulties to read and give meaning to algebraic formulas. In this study it is explored whether graphing formulas with pen and paper will improve students’ability to reason with algebraic formulas.

Met AI kunnen nieuwsredacties razendsnel beelden genereren — maar tegen welke prijs? Dit onderzoeksrapport opgesteld door prof. dr. Jaap de Jong, dr. Astrid Vandendaele, Maartje van der Woude en Stef Arends (Universiteit Leiden), baseert zich op 59 interviews met beeldmakers, redacteurs en experts uit…

The Metabolic syndrome affects over 5 million people in the Netherlands. The HealthBox is an initiative from LUMC and NeLL to provide an innovative solution to help prevent and manage this chronic condition.

Lange tijd wisten we ons thuis in een wereld die we meenden te hebben. Het bestaan in deze vertrouwde wereld vormde onze existentie, die we op een eigenlijke wijze op ons namen. Thans is de wereld echter niet meer wat hij was, en zijn we ook zelf niet meer wie we waren. ‘De wereld is weg’, zo dichtte…

An interdisciplinary and innovative research group combining History, underwater archaeology, GIS and wood provenancing methods.

How did early modern people find out about new knowledge? And did that make them more willing to accept innovation? In the coming years, we will study how and to what effect, new knowledge anchored among the wider public in the early modern Low Countries.

We examine the effect of social learning on emotional competence in children and adolescents with a typical or atypical development.

In the field of Western art music, improvisation has become a much discussed topic. In this interdisciplinary study I argue that in this context, improvisation is not to be seen as a quasi-autonomous skill or art form, but as an aspect of music-making in general.

By copying each other’s non-verbal behaviour, we gain access to what others think and feel. In psychology, this is known as mimicry. As part of her PhD research, cognitive psychologist Fabiola Diana investigated this phenomenon in social interactions between humans and robots.

‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…

February 2019 will see the launch of the Young Academy Leiden (YAL). Founded by the Leiden members of De Jonge Akademie of the Royal Dutch Academy of Arts and Sciences, the YAL has been designed to support the university’s talented early career scholars.

De Europese Unie bekijkt mogelijkheden om geblokkeerde Russische tegoeden aan te wenden ter ondersteuning van Oekraïne. Joris Larik, universitair hoofddocent Europees en internationaal recht, duidt de zaak in een interview voor Al Jazeera.

What has European integration meant for the role and powers of Heads of State? And what should it mean, both at the EU and at the national level?

The Countering Syndemic Vulnerability project supports communities by identifying and tackling clusters of social factors and health problems. The project works with residents and professionals in the Moerwijk district in The Hague and the Stevenshof district in Leiden.

Fieldwork photographs of Meike de Goede, Catherina Wilson and Mirjam de Bruijn (with African Studies student Vera Bakker) have been selected for the LeidenGlobal Photo Exhibition Heritage on the Move, which will travel around the different Faculties of the University in the coming months.

How have British cities changed in the years since the Second World War? And what drove this transformation? This innovative new history traces the development of the post-war British city, from the 1940s era of reconstruction, through the rise and fall of modernist urban renewal, up to the present-day…

On 12 June 2025, Advocate General Ćapeta delivered her Opinion in WS and Others v Frontex, a Grand Chamber case currently pending before the Court of Justice of the European Union. The case concerns a Syrian family that was returned to Turkey in what is arguably a violation of the principle of non-refoulement…

Leiden was ‘European City of Science’ in 2022. Leiden University looks back on a fantastic year with activities, lectures and workshops full of science and curiosity.

From 16 to 20 June 2025, the Institute of Security and Global Affairs of Leiden University hosted the annual Summer School The European Union, the United Nations and Global Governance in The Hague. The programme brought together recent graduates, PhD students, and young professionals from a variety…

In 2022, Leiden will be the European Capital of Science. An enthusiastic team from our Faculty is already busy planning the activities. Today we speak with Marin Visscher. As a project coordinator, he seeks the connection between university and society.

On 8 December 2017, the European Commission decided that the International Skating Union (ISU)’s eligibility rules, which impose severe penalties on athletes participating in speed skating competitions that are not approved by the ISU, are in breach of EU competition law.

“The union’s 60th birthday is not a moment for gifts and cake, but for reinvention around three new strategic idea. (…) The new Europe must protect, improvise and tolerate opposition”. This is what Prof. Luuk van Middelaa, Professor of Foundations and Practice of the European Union and its Institutions,…