We know we should do it, and we often want to, but… Why is it so hard to live a healthier life? Professor of Behavioural Interventions in Population Health Marieke Adriaanse explains.

Master’s student in Company Law Jelle van der Werff left for Melbourne in February 2025 for a six-month exchange. It turned out to be a great opportunity: ‘Getting to know so many different cultures in one place is really special.’

During last summer, the Faculty of Law offered an Honours Class about the theme 'Governing Crime and Migration'. Hillary Mellinger, one of the participating international students, tells us about her experiences.

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

After nearly two years of retirement, Wil Roebroeks looks back on a career that began in a time of freedom and ended in a field that has undergone profound academic and social change. ‘I have been fortunate to always enjoy my work,’ he says. ‘That is also my advice to younger generations: above all,…

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A History of Dutch Corruption and Morality showcases 300 years of change, continuity, and diversity in the history of Dutch political corruption and public morality. It analyses a series of corruption scandals and shows how the following debates were connected to the big changes of that time: from the…

Cities in Europe house an increasingly diverse population with roots in many different parts of the world. They have also seen the growth of anti-immigrant sentiments and new forms of nationalism. Who belongs to Europe and what such belonging entails is heavily debated. What comes out of this paradoxical…

To be eligible for Comparative Criminal Justice at Leiden University, you must meet the following admission requirements.

To be eligible for Public International Law at Leiden University, you must meet the following admission requirements.

The excavation of three Bronze Age barrows and surrounding landscape at Apeldoorn-Wieselseweg

The conference 'The

On 26 and 27 February the Odysseus Network organised its annual conference on the very topical subject of Solidarity in the EU’s asylum and border policies.

Armin Cuyvers, Stefaan Van den Bogaert and Veronika Yefremova taught in the course on History, Principles and Institutions. The online course took place within the context of the 2025 Summer School in European law for Ukraine, organised by the Kyiv Institute for European Integration and Concordia Un…

Lecture, Seminar

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

This thesis aims to address offshore wind energy (OWE)-related environmental impacts.

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

European product safety law is one of the focal points of internal market legislation.

On 6 December, the Clingendael Institute on international relations, organised a round table on the occasion of the publication of its report on the instrumentalisation of migration.

A Niels Stensen Fellowship has recently been awarded to Vestert Borger. Since the 1960s, the Fellowship is awarded each year to 6 or 7 scholars at Dutch universities across all disciplines who have recently defended their doctoral dissertation. The Fellowhip enables them to conduct research abroad at…

On 7 October, the Brussels Institute for Geopolitics was launched on the margins of an informal EU leaders’ summit in Prague. The initiative will provide a hub for high-quality research on Europe’s geopolitics, thus enabling the European Union to develop its strategic capacities.

On 13 December 2024, the yearly ‘Constitutional Law Conference’ took place at Leiden Law School. The central theme of the conference was ‘The Constitution outside the Constitution’.

The 62nd London-Leiden Conference, held on June 24, 2023, aimed to explore the theme of

Earlier this month, the Europa Institute organized an internal discussion on the German PSPP-judgment. For the first time, the German Constitutional Court declared acts of EU institutions as manifestly excessive and thus as ultra vires acts under German constitutional law. During an online debate, various…

On 16 November 2018 Armin Cuyvers presented some legal strategies to soften the much criticized absolutist approach to autonomy by the European Court of Justice in Achmea. His main argument was that, as a general principle, autonomy can and should be weighed against other general principles.

Moritz Jesse and Elena Kukovica attended the 2024 IMISCOE Annual Conference in Lisbon which was held from 2 to 5 July 2024.

On 28 January 2022, the Department of Legal Studies (Central European University), the Europa Institute (Leiden University), and the ESIL Interest Group ‘The EU as a Global Actor’ hosted an Expert Panel Discussion on the topic 'AI in the EU and Access to Justice'.

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Nadine Akkerman has received a subsidy of two million euros from the European Research Council (ERC) for research into 16th and 17th century English manuscripts. Akkerman: ‘Working with handwritten texts and unravelling their mysteries is one of my passions, and it’s especially rewarding when this work…

As a student, university lecturer Berthe Jansen fell under the spell of the Van Manen collection: a collection full of Tibetan writings and objects. A €1.5 million grant now makes it possible to take a really close look at it. 'There is still so much to do and discover.'

What makes a truth true? Throughout the history of philosophy, numerous theories have been proposed to define what it means for something to be ‘true’. Despite their wide variety, most accounts presuppose that a truth is expressed through linguistic assertations or propositional statements. But can…

On 16 November 2023, Dr Joris Larik gave a presentation in the framework of the webinar series of the Centre for Inclusive Trade Policy, a UK-based centre of excellence for innovative trade policy research. Dr Larik's presentation was entitled 'Virtuous rivalry? The EU’s and UK’s normative trade policies…

On 3 August Frederik Behre, PhD candidate at the Europa Institute, taught an international group of students and practitioners at the annual Summer School specialized in Information Technology Law organized by the Institute for Legal Informatics at the University of Hannover.

Various consortia in which Leiden University is represented are beginning interdisciplinary research, which will bring scientific and societal breakthroughs within reach. Knowledge institutions, government and private parties are working closely together on the projects.

On 16 June 2017, the 3rd CML Rev on tour took place in Berlin. The workshop on ‘The EU and Globalisation: Assets and Liabilities’ was organized in cooperation with LMU Munich and the Wissenschaftskolleg zu Berlin.

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

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.

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.

Leiden Law School has established the Empirical Legal Studies Lab to support legal research and education using empirical methods.

Nuclear Magnetic Resonance (NMR) Spectroscopy is a non-destructive analytical technique that is used to study the nature and characteristics of molecules with an atomic level precision. It has a wide range of applications especially in synthetic chemistry, biological and biochemical research groups…

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.

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.