Grabovski spoke in various media on the occasion of Holocaust Remembrance Day on 27 January 2022.

Astronomers led by Pieter van Dokkum have discovered a galaxy that barely contains any dark matter, which actually proves that dark matter does indeed exist. The research results will be published this week in Nature.

Lecture, Lunch Talk

Stefano Pollas master thesis 'Quantum Digital Cooling' has been awarded the Lorentz Master thesis award. The award, 3000 euros and a certificate, has been awarded on 25 November at the Koninklijke Hollandse Maatschappij van Wetenschappen (KHMW) society in Haarlem.

The ongoing coronavirus crisis means that Leiden Law Exchange (LLX) events have now also moved online. On 26 January 2021 policy workers, academics and professionals met in an informal setting under the Chatham House Rule to discuss the recent accusations aimed at the European Border and Coast Guard…

On January 12 the Steering Committee Science4Arts awarded the application of Prof.dr. Maarten Jansen entitled:

Understanding the behaviour of tiny droplets in our cells could aid the search for new treatments. A team of Leiden researchers has developed a groundbreaking method to study how these droplets transition from liquid to solid. This change plays a role in various diseases, including neurodegenerative…

On 23 June 2022, Kristof Gombeer succesfully defended his dissertation entitled ‘Relations of Duty in an Age of Rights: A study of the supply side of human rights in the context of maritime migration’.

Lecture

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…

Christa Tobler writes an extensive article on voting rights for different groups for the annual congress of the

On October 21st, 2019, the President of Mexico, Andrés Manuel López Obrador, handed out the National Prize for the Youth in the academic achievement category to our PhD candidate Omar Aguilar Sánchez. He received this honour for his work on Mixtec pictorial manuscripts.

The amici curiae brief was filed with the United States District Court for the Central District of California, on 28 January 2020.

Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.

This book underscores the interplay between religion and politics (local and global) in the production, escalation, management, mitigation, and resolution of conflict.

Gisela Hirschmann, lecturer and researcher at Leiden University’s Institute of Political Science, has been awarded a 2-year grant of € 170.000 by the German Fritz Thyssen Foundation to study how international organisations react to budget cuts, membership withdrawals and systematic non-compliance by…

Every Political Science master’s student at Leiden University completes their degree with thesis. The thesis provides students with the opportunity to pursue a topic of their choosing in depth and conduct independent research. It is a demanding task that requires dedication, attention to detail, and…

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

China makes no secret of its ambitions to become the world’s leading nation. What can we expect now that the EU and the rest of the world are in recession? And why did President Donald Trump suspend US funding to the World Health Organization? Rob de Wijk, Professor of International Relations and Security…

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

After 45 years at Leiden University, it is time for Kees Goudswaard to retire. In his farewell lecture, he reflects on developments in his field: social security.

Following a series of diplomatic catastrophes and human rights violations in the country, Nicaragua has left the Organization of American States (OAS) on 19 November 2023. Unlike Brexit, where the decision to leave the EU was based on the famous 2016 United Kingdom European Union membership referendum,…

De IND wil - ondanks het bewind van Taliban in Afghanistan - meerdere Afghaanse vrouwen terugsturen. Verschillende experts van vijf Nederlandse universiteiten – waaronder Mark Klaassen, universitair docent immigratierecht - zeggen in Trouw unaniem dat het terugsturen van vrouwen onacceptabel is.

An ICE agent fatally shot Renee Good in Minneapolis on 7 January, igniting nationwide fury over escalating federal violence. Could such an incident occur in the Netherlands?

An ICE agent fatally shot Renee Good in Minneapolis on 7 January, igniting nationwide fury over escalating federal violence. Could such an incident occur in the Netherlands?

On Thursday 16 November 2017, Lalin Kovudhikulrungsri will defend her doctoral thesis entitled ‘The Right to Travel by Air of Persons with Disabilities’. The defence will commence at 11.15 hrs at the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor P.M.J. Mendes de…

PhD defence

Op papier in acht dagen duidelijkheid over asiel, maar in de praktijk duurt de IND-procedure gemiddeld 67 weken. De IND wil de procedure versnellen, mede door nieuwe Europese regels die in juni in werking treden. Mark Klaassen, universitair docent migratierecht duidt de zaak in een uitzending van Ni…

Conference

Is the right to choose your healthcare provider protected in the Dutch Constitution? What are the consequences then for the Dutch healthcare system? PhD defence on 5 July 2022.

For the first time, an international team of scientists led by Leiden Observatory and SRON can explain the extreme jet streams observed around the equators of all the giant planets using a single model.

Sinds de oorlog in Gaza neemt antisemitisme in Nederland toe. Het kabinet presenteerde vorige week maatregelen om deze opkomst terug te dringen. Marloes van Noorloos, Universitair hoofddocent straf- en strafprocesrecht, gaf bij EenVandaag uitleg over de strafbaarheid van antisemitisme.

Leiden researchers discovered that North Korean labourers are being forced to work on a large scale in Poland. Professor of Korea Studies Remco Breuker will present a report on the abuses in Poland at the ‘Slaves To The System’ conference on 6 July.

On 3 and 4 March, the 2nd Doctoral Seminar on International Criminal Law, International Human Rights Law and International Humanitarian Law was held at the Siracusa International Institute for Criminal Justice and Human Rights in Sicily. Ida Asscher and Anna Smulders, both PhD Candidates at the Grotius…

On the 442nd anniversary of the foundation of Leiden University, and at the start of the Leiden Asia Year, lawyer Jan Michiel Otto, an expert in the field of law in developing countries, delivered the first Dies lecture. He compared demagogues in Asia who call upon Muslims to turn against their governments…

On 11 and 12 October Jorrit Rijpma spoke on Mobility and Security at the Batumi State University and the Tbilisi State University.

For many years, human rights have been considered a playing field in which states were the most important actors. It is they who in multilateral relations, such as the United Nations (UN), the World Trade Organisation (WTO) and the International Labour Organisation (ILO), have written international…

Het hof heeft geoordeeld dat Malta per direct moet stoppen met het verkopen van zogenoemde ‘gouden paspoorten’. Armin Cuyvers, hoogleraar Europees recht, noemt dit verbod in het NRC ‘een belangrijke en omstreden stap in een tijd, waarin migratie en burgerschap politiek gevoelig liggen.’

The postdoc received the 2020 Thesis Prize for her PhD research on the role of the EU Member States in regulating and remedying corporate human rights violations.

The newly created European Law Unbound Society (ELU-S) held its inaugural conference on 25-26 September 2025, at the Charles University in Prague. Vincent Delhomme presented a paper and chaired a panel, both dealing with contemporary challenges in EU internal market law.

Although seen as the fastest and cheapest way to global climate protection, a uniform global carbon price would have major consequences for the economic competitiveness of countries. Hauke Ward, who recently joined Leiden University, showed in the journal Energy Economics that modern western countries…

The Hague Program for Cyber Norms organises the second conference of an annual series to encourage academic diversity in the study of cyber security. The theme is 'Dealing with Uncertainty'. The conference will take place in The Hague on 5 and 6 November 2019. Deadline submission of extended abstracts…

The seminar is organised by the Van Vollenhoven Institute for Law, Governance and Society (VVI), The Royal Netherlands Institute for the Study of Southeast Asia and the Caribbean (KITLV) and Leiden University Centre for the Study of Islam and Society (LUCIS).

For the first time ever, Leiden biologists have found that the ‘nose’ of spirochetes – worm-shaped bacteria – have a two-fold symmetry. A remarkable discovery, as the ‘nose’ of every other bacterium has been found to have a six-fold symmetry. First author Alise Muok wrote a popular blog about the findings…

This video accompanies the article "Navigating Discretion: A Diplomatic Practice in Moments of Socio-political Rupture", published in Vol. 14, Issue 4 of The Hague Journal of Diplomacy.

Carla Cisternas Guasch, PhD candidate at the Leiden Institute for History, is one of the winners of the 2023 call of the Slicher van Bath de Jong Foundation for the advancement of study and research on the history of Latin America. She receives a research grant of €10.000 (max).

On Wednesday, September 17, 2025, Prof.dr. Sarah Cramsey convened a book manuscript event at the beach of Wassenaar near Leiden to discuss her new book 'Caring through Catastrophe: Jewish Children and their Caretakers during the Holocaust' which is under contract with Indiana University Press.

Suzanne Kingston will be officially sworn in in mid-January. She graduated from the Leiden Advanced LLM European and International Business Law (EIBL) in 2000.

Lecture, LIMS seminar / Austrian Studies Seminar