President Zelensky of Ukraine has asked the UN International Court of Justice to issue an urgent order to stop Russian military activity in his country. According to Zelensky, Russia has twisted the concept of genocide to justify aggression.

The European Society of International Law (ESIL) awarded its 2020 Book Prize to Daniel Peat, an Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies at Leiden Law School. The ESIL Book Prize is awarded annually 'for an outstanding published work in the…

The Spanish Society of Soil Science has chosen as the best thesis of 2015 (call 2016) in Spain to the CML-researcher Daniel Arenas Lago, for his research at the University of Vigo that expands and deepens in new knowledge about adsorption and retention of heavy metals in soils, an issue increasingly…

On 25-27 June the Academic Society for Competition Law (ASCOLA) organized its 15th yearly conference discussing the most recent developments in the context of competition law policy.

Daniel Peat will represent the ISDS Academic Forum, a group of over 150 academics whose research focusses on investor-state dispute settlement (ISDS), at forthcoming discussions on the reform of the ISDS system taking place in New York.

On 1 and 2 November 2018 Armin Cuyvers and Daniel Carter presented two papers during a LERU conference on the Implications of Brexit: EU and Post-EU Constitutional and Substantive Law.

More European countries are introducing border controls, clashing with the ideal of free movement within Europe. Daniel Schade, Assistant Professor of EU Studies at Leiden University, analyses this development in The Washington Post.

On 8th October 2018 Daniel Carter presented part of his PhD research on the effects of precarious employment on intra-EU migration at the ‘Science Day’ at the Ministry of Social Affairs and Employment and in the Hague. He presented a paper he is currently working on, which assesses the recent Proposal…

Moritz Jesse and Daniel Carter, both members of the Europa Institute in Leiden, participated in the Conference ‘EU Citizenship and Federalism: The Role of Rights’ in November 2017.

Following the European Union membership referendum in the United Kingdom on 23rd of June 2016 and its result, Brexit has turned into a theme dominating public discussion in Europe and beyond.

Moritz Jesse, associate professor for EU Law at the Europa Institute, and Daniel Carter, PhD candidate at the Europa Institute presented the paper, entitled ‘Back to the Market Roots for ‘Legal Residence’ of Citizens of the Union – Is the Court of Justice Really Scaling Back Rights?’ at the 2016 European…

Lars van Doorn, research staff member at the Department of Economics at Leiden University, is shortlisted for the Daniël Heinsius Prize for the best master thesis of the Netherlands and Flanders.

Assistant professor Daniel Schade of Leiden University was a guest on various German-language media outlets, discussing the state of the Schengen Agreement after 30 years.

The project has been done in the Cosine group under the supervision of Prof. Dr. Martin van Exter and MSc Marta Brusasca.The title of the presentation is: ''Calibration of the condifood DemoDevice.

Not everyone benefits from the increased flexibility in the labour market. EU migrant workers engaged at the lower end of the employment spectrum are falling behind. According to Daniel Carter, the legal system is at fault and in his PhD thesis he explains the reasons why.

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

Scientists, including our faculty colleague Dr. Mike Field, studying an exceptionally well-preserved woolly rhinoceros have revealed details of what Britain's environment was like 42,000 years ago. The beast's remains were discovered in Staffordshire in 2002, buried alongside other preserved organisms…

Political Scientist Daniel Thomas draws a parallel between the Vietcong’s Tet Offensive against South Vietnamese and US armed forces and Hamas’ recent terrorist strikes on Israeli targets. In both cases, ultimately, the effect on public opinion outweighs military implications.

Where does Europe begin and end? How have the European Union and its precursors decided which countries are eligible to join the community and which are not? Few issues are more hotly debated, more important for the course of European integration, or more consequential for individuals in and around…

Citizens, journalists and scholars notice that foreign policy in, and of, the European Union, is ‘de-Europeanising’. Political scientist Daniel Thomas (Leiden University) offers a theoretical exploration of the likely implications. He expects that it will become more difficult for the EU to achieve…

The Graduate School Office of the Faculty of Science provides support to the Dean. The following staff members are part of the Graduate School of Science Office.

Contact information for the Leiden University Centre for International Relations.

Get in touch for enquiries about the MSc International Politics at Leiden University, including programme questions and support from the Admissions Office.

This paper focuses on the legal and institutional assumptions of Fritz Scharpf's famous thesis of an asymmetry between positive and negative integration in the EU. Taking issue with a number of arguments forwarded in the lead piece for this debate section, it questions the relevance of the thesis to…

Get in touch about the MSc Democracy and Representation at Leiden University: student ambassador, study advisers, and the Student Affairs Front Office are ready to assist.

Get in touch about the MSc Political Theory: Legitimacy and Justice at Leiden University — contact study advisers, the student ambassador, or support services for programme and application questions.

Get in touch regarding the MSc Nationalism, Ethnic Conflict and Development at Leiden University, including programme questions and support from the Admissions Office.

Reach out with questions regarding the MSc Dutch Politics at Leiden University—contact the student ambassador or study advisers, and find administrative support via the Student Services Centre.

See below for the full programme and abstracts of all papers.

How can saxophone without mouthpiece techniques be accurately and consistently comprehended and explained?

Project Announcement: ‘EU human-centered digital transformation’ (2023 – 2027) funded by Leiden University Starting Grant In Spring 2023, Simona Demková and Daniel Mândrescu from the Europa Institute secured the new Leiden University Starting Grant, valued at 240,000 EUR, for a collaborative project:…

Financialization has become the go-to term for scholars grappling with the growth of finance. This Handbook offers the first comprehensive survey of the scholarship on financialization, connecting finance with changes in politics, technology, culture, society and the economy.

Update : March 2020 Directors: Dr. Lara Weiss and Dr. Christian Greco Deputy directors: Dr. Daniel Soliman and Dr. Paolo Del Vesco

Leiden University’s new ‘Europe Hub’ is an interdisciplinary platform that showcases the university’s research and teaching expertise and capacities on Europe’s societal and governance challenges.

This collection of seventeen essays takes its inspiration from the scholarly achievements of the Dutch historian Jan Lucassen. They reflect a central theme in his research: the history of labor.

Do you have questions about the specialisation Evolutionary Biology? Please contact us!

Key publications of the Computational Drug Discovery group

Agriculture is among the most vulnerable sectors to climate change and poorer countries face the most severe difficulties. Coffee farmers in Central America, for instance, are facing multiple and mutually reinforcing crises, including price shocks, outbreaks of pests and diseases, migration, and farm…

The edited volume 'Arabic in context: celebrating 400 years of Arabic at Leiden University' edited by Ahmad Al-Jallad is out. The volume contains the contributions to the 2013 conference with the same title, held at Leiden University and was published as part of Brill's the Studies in Semitics Language…

When EU member states signed the Treaty of Lisbon in 2007, they did not anticipate the manifold crises in store for them over the following years. Instead of the intended consolidation of a Union which had just gone through its most profound modernisation and biggest round of enlargements, the EU has…

Comparing Mycenaean tomb building with labour and memory

Anna Scott is a Canadian pianist-researcher interested in using the early twentieth century recordings of the Brahms circle of pianists to question persistent gaps between the loci of knowledge, ethics, and act in both modern mainstream and historically-informed performances of Brahms’s late piano w…

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

This study examines recovery planning committees across Japan's Tohoku region.

The Common Market Law Review has an internationally composed Editorial Board and Advisory Board.

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

On 16 January 2024, Professor Obiora Okafor from Johns Hopkins University opened the third cycle of the Owada Chair with the lecture Global Diversity and the Living International Human Rights Law.

This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.