Has there been continuity or change in US counterterrorism policy since 9/11? What factors led to the continuity or change, and how do we classify any such continuity or change?

How do leadership behaviour repertoires take shape in public organizations?

The function of TLRs in innate immunity has aroused worldwide attention soon after its discovery. Because of the broad functions of TLR2 in innate immunity, the drive for the development of TLR2-targeted vaccines or therapeutic treatments has accelerated in the last decades.

How have the armed forces of the United Kingdom, the Netherlands and Belgium adapted to the OMLT task in Afghanistan, and what institutional changes have materialised as a consequence of this adaptation?

What factors can explain the dynamics of de facto statehood in Iraqi Kurdistan at internal, national and international levels? What has been the nature of the de facto statehood in Kurdistan since its inception?

On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.

This article investigates how parenthood serves as a critical turning point for young people in Latin America, influencing their criminal trajectories.

What drives the behaviour of accountability forums?

How does open government affect the level of public trust?

Carsten Stahn has just published Confronting Colonial Objects: Histories, Legalities and Access to Culture. The book is part of the OUP Cultural Heritage Law and Policy Series.

The aim of this dissertation is to provide insight in interethnic prejudice of children in the Netherlands and attitudes and ideologies that they are exposed to through two socialization agents (parents and children’s books).

In this article, Seda Gürkan, Özlem Atikcan and George Christou examine how EU institutions responded to Turkey’s democratic decline between 2014 and 2024, analysing how conditionality was framed and applied by the European Commission, European Parliament and European Council.

The Cleveringa chair was installed by Leiden University in memory of Professor Rudolph Pabus Cleveringa and the courage he demonstrated in November 1940 during the German occupation . It also commemorates the liberation of the Netherlands in 1945.

Leiden University Centre for the Arts in Society (LUCAS) is dedicated to ground-breaking and interdisciplinary research dealing with the relations between culture and society.

The Centre for Legal Entrepreneurship and Innovation focuses on stimulating entrepreneurship and innovation in the legal sector. It builds a bridge between study and practice.

For many years, human rights have been considered a playing field in which states were the most important actors. In the present day society, this has changed as a consequence of globalization and the rise of multinational enterprises (MNEs). Protection of fundamental labor rights in global supply chains…

Blood, Sweat and Tears: The Changing Concepts of Physiology from Antiquity into Early Modern Europe

Research at Leiden Law School means research at the highest level.

Through language and culture, history, anthropology, and sociology, we delve into the countries, populations, and societies of South and Southeast Asia. From this perspective, we address global issues such as migration, heritage, and colonialism.

Leiden University and LUMC benefit from unique knowledge gained from research and teaching about healthy lifestyles. We want to bring this knowledge together into one place, and we want to share it even more effectively than we do now.

PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.

Conceptualizing ceasefires as bargaining instruments challenges established ideas about the processes that lead up to conflict settlement, and about war re-emergence, with important implications for our understanding of war and peace.

The University wants its teaching and research to have the maximum academic, cultural, social and economic impact.

How can the problems in establishing a sustainable common security and defence mechanism for the EU be explained?

Underneath you find more information on how our faculty works.

Why do sexual violence policies still fail to systematically address men and masculinities, when the need for cultural change among men has been central in public debates since #MeToo?

In this research I assess the impact of the recently discovered gas reserves south off Cyprus on the escalation of the Cyprus conflict.

This dissertation aims to provide insight in ethnic prejudice in Chinese-Dutch children and the ethnic socialization context they are exposed to through three social-contextual factors, i.e., parents, children’s books, and the COVID pandemic.

Explore the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: study governance and diversity, choose elective seminars, complete a thesis and optionally an internship.

The essay For progress has been published to mark the 450th Dies Natalis of Leiden University. In 2025, we are celebrating our 450th anniversary, and the theme of this special year is Ahead of the Times.

The Faculty of Governance and Global Affairs is one of a total of seven faculties of Leiden University, located in The Hague.

The infectious diseases malaria and tuberculosis are responsible for 2.1 million deaths every year. Leiden researchers are currently testing a new tuberculosis vaccine.

The genomic DNA of every organism is organized and compacted in order to fit inside the cell. This is achieved by the joint action of numerous architectural proteins that aid in folding the genome. Genome folding is tightly interconnected with transcription, with genes in certain regions being silenced,…

Generally, PhD candidates are recruited for specific research projects by public advertisement. In addition, unsolicited applications from high potential candidates with an appropriate master degree are welcomed.

Do you have a question about our course offer? View the most frequently asked questions below.

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

LUCAS’ Medieval and Early Modern (MEM) cluster brings together expertise in the fields of art, literature and media. It focuses on the arts in society in Europe and beyond during a vast period of time, from the 7th through to the 18th centuries CE.

The inauguration of the first members of the Young Academy Leiden (YAL) was held on Wednesday 20 March in the Lorentz Lecture Hall of the Kamerlingh Onnes Building at Leiden Law School. The ceremony was opened by Rector Magnificus Carel Stolker.