On Wednesday 25 June 2025 Dechun Zhang successfully defended a doctoral thesis and graduated.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

In this dissertation, a corpus of 595 seventeenth-century letters (mainly private ones) written between 1664 and 1672 is examined from a sociolinguistic perspective.

This book explores how public health concerns and political agendas influenced each other in the US over the past century.

The central research question in this study was twofold: 1. To what extent are the three reconstruction models useful in a reconstruction of the public decision-making process concerning decentralized government between 1947 and 2014? 2. To what extent does the reconstruction of this public decision-making…

The goal of the Kenniswerkplaats Diversiteit is to answer research questions schools in the Hague have in collaboration with the schools. The aim is to offer all children the same opportunities to develop through education.

Erik de Maaker, B. Ramila, Maaike Feitsma, Mayke Groffen, Ellen Haeser, Rachel Lee, M. Karthika, Leonie Sterenborg and Sanne van den Dungen

How German Jews used photographs to document their experiences in the face of National Socialism.

The first comprehensive and authoritative history of work and labour in Africa; a key text for all working on African Studies and Labour History worldwide.

Central to the research of several cluster members are the social function and contexts of the production and consumption of medieval and early modern art, literature and media:

Technological advances, such as virtual reality, augmented reality and online assessment platforms are rapidly improving. These tools could potentially contribute to neuropsychological assessment that is more efficient and of higher quality.

Leila Zerrougui (born in Algeria 1956) is a legal expert on human rights, justice, and rule of law. She is the current Special Representative of the Secretary-General and Head of the United Nations Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Before she was Special Representative…

This dissertation looks into the role of discretion granted by EU directives (Article 288 Treaty on Functioning of the European Union) in legislative decision-making and national transposition processes of these directives.

This collection, edited by Sophie Vériter, Monica Kaminska, Dennis Broeders and Joachim Koops, includes six papers exploring and investigating European responses to COVID-related disinformation, specifically the responses of France, Sweden, Germany, the United Kingdom, Serbia, and Hungary.

Researchers, policymakers and funders have to take more account of the effect of sex and gender in scientific research. This is the view presented in an advice paper published by LERU, the League of European Research Universities. The lead author is Vice-Rector Simone Buitendijk.

This is a joint PhD of the Faculty of Social and Behavioral Sciences at Leiden University and the Evolutionary Ecology Group at Antwerp University.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

The Eberhard-Karls Universität Tübingen organises a Winter school on the theme of Gender, Emotion and Monstrosity in the Middle Ages. Deadline for proposals: 1 August.

On the 4th of June, Isabella Steenbergen successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Isabella on this achievement!

In the past months the COVID-19 pandemic has made the world become more reliant on digital communication and social media. As virtual spectators of diplomacy during these times, it is not difficult to notice that diplomacy is more colourful nowadays.

Iranian molecular plant biologist Salma Balazadeh started her career in Germany. Now she sets up a research group in Leiden to study stress in plants to secure global food supply. Her outlook on women in science in the context of the International Day for Women and Girls in Science, 11 February.

The project 'EmbRace: The Embodiment of Racialization: Running Muslim Women and the Sense of Non-Belonging' investigates the embodied and sensorial dimension of the racialization of Muslims and its intersections with gender, class and religion.

On 18 September 2019, Huw Llewellyn defended his thesis 'An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality'. The doctoral research was supervised by Prof. N.M. Blokker and Prof. L.J. van den Herik.

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.

Young transgender people are able to decide together with their parents on a reversible intervention with puberty blockers. These are the results of a study by LUMC Curium and Amsterdam UMC of 74 young people undergoing treatment. Ninety percent of the young people studied proved able to make an informed…

Mum works in healthcare, dad in engineering and everyone is straight: many textbooks still show men and women in stereotypical roles, PhD candidate Tessa van de Rozenberg has discovered. She also found that children’s views on these topics often closely resemble those of their parents.

The authors delve into the varying degrees to which institutions across different nations connect foreign events to their respective country's domestic affairs.

This Philosophy bachelor's programme offers perspectives from around the world. It will make you one of the next generation of students who will shape philosophy in the 21st century, ready to take on academic or professional challenges that call for critical thinking, analysis and argumentation skil…

International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.

In this 3-volume set of primary sources, Lionel Laborie and Ariel Hessayon bring together a wide range of vital sources for the study of prophecy in the early modern world. This meticulously edited collection includes rare material and fascinating manuscripts published in English for the first time.

On 20 October 2021 Michael Ramsden defended the thesis 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. The doctoral research was supervised by Prof. N.M. Blokker.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

The WIIS-NL blog provides articles on gendered international security issues taking a multi-disciplinary approach which includes but is not limited to WIIS focus areas. This blog aims to reach a broad audience of academics, practitioners, students, and interested members of the general public.

Building on its extensive holdings in Asian studies, including much material that can support the study of “unofficial” histories and cultures, Leiden University Libraries has established the Leiden Chinese Queer Collection (LCQC).