From passports to policy: take a moment to look up in City Hall

LED3 is the combined effort of four excellent institutes of Leiden University. Through joined hands, we are able to give rise to a more effective early drug discovery pipeline. Let us briefly introduce the institutes.

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.

How designers are even more creative with a robot in their team, how Twitter could predict the stock market, and how to catch a single bacterium in the act of infecting a cell. Artificial intelligence has penetrated every corner of science in Zuid-Holland. Three researchers from Delft University of…

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…

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…

As coordinator and lead promoter respectively of the Leiden Healthy Society Center, psychologists Sandra van Dijk and Anke Klein use interdisciplinary collaboration to resolve the major health problems of the present day. How are they going to do that in the coming period?

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,…

On 19 November 2018, the American Bar Association (ABA), Section of Antitrust Law organized a teleconference “Sports and Antitrust: Breaking the Ice”.

On Monday 22 January 2024, the University of Florence hosted the conference 'Artificial Intelligence, between Ethics and Law'. Organised by the Department of Legal Sciences, the conference brought together leading experts to discuss the rapidly evolving landscape of artificial intelligence (AI) and…

On Thursday 21 November 2019, the project You&EU, in which Frederik Behre participated, won the Europaeum Scholar’s Prize for their social media campaign during the 2019 EU parliamentary elections.

Na de informele top in het Belgische kasteel van Alden Biesen wil de Europese Unie vaker gebruikmaken van zogeheten kopgroepen via het instrument van enhanced cooperation om besluitvorming te versnellen. In een interview voor Het Financieele Dagblad analyseert Joris Larik (Leiden University College…

Tim Koopmans is one of the great minds in the history of Dutch and European legal scholarship. He taught law as a professor in Leiden and other universities, among which Ghent, Cambridge, Utrecht. He practiced it as a judge in the European Court of Justice and Advocate-General in the Dutch Supreme Court,…

In the EU Law Live podcast episode ‘Tax, gambling and the internal market’, Vincent Delhomme discusses the recent Admiral Gaming Network case, dealing with the validity under EU free movement provisions of national tax measures in the field of gambling.

On 10 April 2025, Melanie Fink presented her current research on the interplay between EU constitutional law and the regulation of digital technologies.

In the EU Law Live podcast episode ‘Banks under stress and EU law in the latest case-law of the Court of Justice of the EU’, Barbora Budinská talks about a series of judgments concerning the ABLV Bank Latvia and its subsidiary, ABLV Luxembourg.

During an Erasmus+ research stay in Rwanda, Frederik Behre gave several guest lectures to bachelor's and master's students enrolled in the various law programmes of the University of Rwanda. In the course of his four-week research stay, Behre organised a series of highly interactive lectures with the…

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

The end of the year often means looking back with lists, overviews and stories. This combines nicely in a list of all the books published this year by various political scientists at Leiden University. Indeed, in terms of books, these scholars have certainly not been idle. A unique collection of stories,…

The Europa Institute has invited Dorjana Bojanovska from Macedonia to visit Leiden Law School to conduct her master thesis research from 6 March - 31 March 2017. Dorjana is a student at the Comparative Constitutional Law program at the Legal Studies Department of the Central European University. The…

This 3-year EU Erasmus+ co-funded project focuses on the strengthening and improvement of teaching qualitative research methods across a range of disciplines in the Social Sciences and Humanities in Bhutan.

Russia’s premeditated attack on Ukraine in February 2022 changed not only the security landscape of Europe. It also altered – at least for now – the structures of leadership and influence within the West.

Onze samenwerkingsovereenkomsten bieden zowel studenten als medewerkers de kans om een periode in het buitenland te verblijven en zo hun horizon te verbreden. Ook fungeren de overeenkomsten regelmatig als basis voor onderzoeksprojecten of andere samenwerkingsvormen.

The sixth edition of the lecture series Duurzaamheid & Recht was held during the last semester. Once again, it attracted many students.

The December 2022 issue of the Common Market Law Review, Vol. 59 No. 6, is now available online.

The research will touch upon the communal role of text and the actions of interpretation and discussion that developed among Jews in exile.

The world is full of wars, and no war is without its dead. What happens to the bodies of fatal casualties of armed conflict? The winner of the faculty Jongbloed Thesis Prize 2015 is Welmoet Wels (Public International Law). Her thesis Dead body management in armed conflict: paradoxes in trying to do…

Everyone most obey the law. If you don’t, you will face the police and the courts. The application of national, European and international criminal law would seem to be a matter of following the letter of the law. But the reality is more nuanced. Criminal law scholars and criminologists from very different…

Empathic or anxious mistakes? A neurocognitive investigation of the development of social performance monitoring in youth growing up in stressful versus non-stressful environments

Until recently, the role of external information processing in intelligence has rarely been investigated quantitatively or experimentally. A group of researchers from Erasmus University Rotterdam, Leiden University, GGZ Rivierduinen, and University of Edinburgh measured in a new way how and when people…

How do plant defense genes get activated?

Research question

Can excessive worrying be reduced via stimulation of the vagus nerve?

Public policy is often the subject-matter of pervasive and deep moral disagreement. Moral disagreement, understood as the difference and opposition between principled moral arguments, can and does occur between policy professionals, different political parties and individuals or groups that compose…

Correctly interpreting the patterns of fire evidence in the archaeological record will illuminate the origin of human fire use.

Vulnerability and the associated levels of social resilience is what fascinates the researchers at the Institute of Cultural Anthropology and Development Sociology. What links a Japanese fisherman after the tsunami at Fukushima with a Ghanaian goldminer in an increasingly industrialised work environment?…

The LUC Fund supports the Leiden University College The Hague (LUC) programme and community. LUC provides excellent research-led interdisciplinary teaching on global challenges, equipping students with the knowledge and skills necessary to become socially responsible and engaged global citizens. This…

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

What are the conditions under which coercive diplomacy can compel a State to abandon its controversial nuclear (weapons) program? Based on the experience of the US coercive diplomacy against the nuclear programs of three countries, namely Iran, Libya and South Africa, Jean Yves Ndzana’s PhD research…