Ben de Jong, a guest lecturer at the Institute of Security and Global Affairs, appeared as a guest on NPO Radio 1 to discuss number stations that are used to send secret messages to spies in enemy territories.

Koen de Ceuster, university lecturer for Korea Studies at the Leiden University Institute for Area Studies, was interviewed on the NKNews Podcast about art in North Korea. He speaks about the role of art in North Korean society, art ‘business’, and argues why it is not possible to separate propaganda…

Erik de Maaker discusses stereotypical narratives of 'isolated communities' like the North Sentinels in De Telegraaf. He calls for a nuanced view by addressing the cultural, ethical, geopolitical and health dimensions behind their isolation.

We are thrilled to introduce our new PhD student: Andrés Martín García de la Cruz

Shell Nigeria is liable for damages from oil spills in Nigeria. The Hague Court of Appeals gave this ruling in a case that was brought by four Nigerian farmers.

Professor Eric De Brabandere has been appointed as the new Director/Head of Department of the Grotius Centre for International Legal Studies, succeeding to Professor Nico Schrijver who has led the Centre for more than 12 years. Eric De Brabandere holds the chair of international dispute settlement law…

Professor Beatrice de Graaf held the 53rd Huizinga Lecture on Thursday 12 December. In front of a a sold-out Stadsgehoorzaal, she spoke about how history can be used in times of crisis to give meaning to the situation.

Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…

Elise Darras studeert aan het Leiden University College (LUC) en be besloot een maand lang stage te lopen in Frankrijk bij H2Air.

Paul Abels' book 'Spionkoppen' (Spy heads) was recently published; He wrote the book together with students Marijn Adams and David Mendelsohn. In his book, Abels describes the AIVD (Dutch General Intelligence and Security Service), where he himself worked for several decades, based on his superiors.

In the new video series 'The World of Linguistics', alumni and researchers talk about their passion for their field. PhD candidate Meike de Boer knows everything about the word ‘uh’.

Can we improve the treatment of post-traumatic stress disorder (PTSD)? Our young and promising psychologist Rianne de Kleine receives a Veni grant to carry out her research on the treatment of post-traumatic stress.

On 1 May, Casper de Jonge will be appointed Professor of Greek Language and Literature. ‘Greek literature did not come from Athens alone: authors from Egypt, Syria and Asia Minor also wrote in Greek.’

For the first time in the history of the Van den Berg prize, there are two winners: the ‘traditional’ one for the best thesis by a student in the Dutch bachelor’s programmes in Political Science, and, as of 2020, one for a graduate from the International Relations and Organisations (IRO) specialisation.…

At Leiden University College, Jaap de Hoop Scheffer urged Europe to show unity and strength in a world defined by fear, power politics, and uncertainty.

Leiden University is partner of the Netherlands Centre for One Health (NCOH). This initiative brings together leading academic research institutes in the Netherlands in an open innovation network that responds to the theme: One Health. NCOH interviewed Doris van Bergeijk: PhD student of the project…

Maghiel van Crevel has been elected member of the Royal Netherlands Academy of Arts and Sciences (KNAW). The professor of Chinese Language and Literature will be installed on Monday 12 September 2022.

University lecturer Alex Reuneker has won the Frans van Eemeren Prize for his paper 'Assessing classification reliability of conditionals in discourse'.

Marokko zegt het contact met de Duitse regering op. Volgens Marokkaanse media is ministeries en andere overheidsinstanties per brief gevraagd direct de samenwerking op te schorten met de Duitse ambassade in Marokko.

PhD defence

During the New Year’s reception of the Faculty of Social and Behavioural Sciences (FSW) on 12 January 2026, Sarah de Rijcke said farewell as our dean. She will become the new Rector Magnificus of Leiden University. It was not the only change of leadership announced that afternoon.

The aim of this thesis was to study phage infection in Streptomyces, focused on cell wall-deficient cells. Bacteriophages (or phages in short) attach to the cell wall of bacteria after which they replicate and lyse the host cell.

In this article, Joris Larik and Richard Ponzio grasp the importance of the Summit of the Future to overhaul and strengthen multilateral cooperation in an age of deepening rifts and increasing competition between the great powers. This article argues that a failure to convene a meaningful and ambitious…

The first book ever on information-theoretically secure multiparty computation

MetaROR is an open peer review platform based on the publish–review-curate model and aims to improve the dissemination and evaluation of metaresearch.

Monthly PhD Labs offer COI PhD researchers an opportunity to present their work and receive specific feedback about their projects in a supportive and collegial environment.

Research in the field of Etruscology at the Faculty of Archaeology of Leiden University (UL; the Netherlands) aims at exploring the history of the religious and ideological mentality of the Etruscans by studying archaeological, epigraphical and ancient written sources.

The Egyptian hieroglyphic script was exceptionally versatile, as becomes clear when studying its multiple uses both within Ancient Egypt and beyond its borders.

Phonology is the study of speech sounds within and across languages. It touches topics such as speech sound variation, speech sound combinations and acquisition.

The primary goal of GAP is to study the impact of globalization and internationalization policies and practices on the gender balance in research and higher education in Norway.

Presenting case studies by both senior and emerging scholars, it makes mandatory reading for anyone interested in the challenges of governance, citizenship and development faced by the people of India’s North East.

Bringing together scholars from a broad range of theoretical perspectives, The Language of Argumentation offers a unique overview of research at the crossroads of linguistics and theories of argumentation.

An Ancient Egyptian System of Workmen’s Identity Marks

The available tools for academic literature search return a list of ranked documents, which might not be ideal for some tasks. To facilitate these tasks, I am creating a visual representation of the academic search space where the user can browse academic topics.

Kazimierz Twardowski (1866-1938) is the founder of the Lvov-Warsaw School with its strong tradition in logic and its scientific approach to philosophy. Twardowski’s unique way of doing philosophy, his method, is of central importance for understanding his impact as a teacher.

The Diversity and Inclusion Expertise Office advises the Executive Board and works in close collaboration with the faculties, expertise centres and policy administrations to promote diversity and inclusion

Nobody is better qualified to tell you what it is like to work at Leiden University than the employees themselves. Watch the videos and meet your future colleagues. They will be happy to share their experiences with you.

The profile area Political Legitimacy brings together researchers from multiple research institutes within Leiden University.

There are a number of problems in philosophy that seem to share a similar possible solution: 'Why do promises and contracts bind?', 'Why ought citizens and judges obey the law?' and 'Can we realize the gains to be made from cooperation?'. All three problems (as well as some others) share a possible…

The transformation of the myriad of medieval kingdoms, principalities, local lordships, city-‘states’ and peasant ‘republics’ into ‘modern’ states, claiming some measure of sovereignty, remains one of the core themes of European history, because it gets down to the very root of the (idea on the) Europe…

Perfect for use at advanced undergraduate and graduate level, this is the first text to offer students a unified narrative regarding the place of the body in Western thinking. The book investigates the ways in which the fact of human embodiment makes the notion of ambiguity central to all major areas…

This book discusses theories of crisis management and the radical right, to shed light on how responses to crisis influence radical right parties in their presence, discourse, and evolution. The book offers a comparative perspective by examining case studies with various traditions of radical right…

Criminal justice raises intricate moral questions concerning the justification of the penal institution, the mode and extent of criminal sanctions enforcement, the content of criminal sanctions (imprisonment, fines, alternative punishments), the nature of the agent holding penal authority, the normative…

The philosopher and psychologist G.F. Stout was the teacher of Moore and Russell around 1894. This book shows that Stout's ideas have played a role in Moore and Russell's development from their early idealism towards analytic realism, where Stout's ideas often find their origin in early phenomenolog…

Who had a say in making decisions about the natural world, when, how and to what end? How were rights to natural resources established? How did communities handle environmental crises? And how did dealing with the environment have an impact on the power relations in communities?

Porosity between Politics and the Economy addresses the relationships between politics and the economy in deeply original ways. It is a book motivated by a sense of urgency aroused by both the failure of modern capitalism and the environmental crisis.

An interdisciplinary team of researchers has won the NWO Team Science Award after conducting research regarding the authenticity of several “Hugo de Groot’s” bookchests for the Dutch TV series Historisch Bewijs. The team consisted of researchers from the University of Amsterdam, the Rijksmuseum and…

Professor of Social and Organisational Psychology Carsten de Dreu has been awarded an Advanced Grant by the European Research Council. This subsidy of 2.5 million euros will allow De Dreu to carry out research on the causes of conflicts between groups at both macro- and micro-level.

During his bachelor's programme in International Studies, Tom de Groot became fascinated by the theme of peace and security. Now he designs and moderates training courses to help professionals develop further in this field.