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This study investigates how two social and political developments, in the UK and Germany, impacted on the experiences of minorities and the attitudes of majorities vis-à-vis tolerance in those two countries. The results provide a thought-provoking picture of the views of minority and majority groups…

A growing global concern is that automated recognition systems may exacerbate and reinforce existing biases that different societies have with respect to gender, age, race, and sexual orientation. Questions around the consequences of automated gender recognition are particularly poorly understood and…

In this Yearbook you will find some fascinating examples of what was done in 2021, not only by ourselves, but also by our international colleagues.

This course will take place in The Hague, the Netherlands.

The external tissues of plants and animals are colonized by microbial communities termed microbiota. When organisms are exposed to environmental pollutants, these substances will therefore encounter microbiota at the exposure interface.

This article reviews how external expertise supports intelligence production and crisis decision-making with Germany's response to the Russio-Ukrainian war.

This book expands on the existing literature on the international dimension of democratization by introducing the concept of democracy projection. Democracy projection is defined as the projection of (democratic) norms through the every-day practice of interactions-beyond any donor-recipient relationship-between…

Farming practices, food production, and the agricultural potential of the Late Bronze Age (1600-1200 BCE) Argive Plain, Greece

The Women’s March was held on 9 March 2019 in Amsterdam and many students and members of staff from Leiden University took part in speaking out against oppression and making societal change.

Article by Dennis Broeders in the Journal of Cyber Policy on the (im)possibilities of addressing election interference and the public core of the internet in the UN GGE and OEWG.

Promotor: Prof.dr. G.P. van Wezel, Co-Promotor: E. Vijgenboom

Sarah Giest and Annemarie Samuels, both Assistant Professors at Leiden University, researched the quality and coverage of the data being collected for policiymakers to be used, specifically pertaining to minority groups.

Subproject of the ERC project 'Challenging the Liberal World Order from Within: The Invisible History of the United Nations and the Global South'.

Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…

Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.

Museum Studies looks at museum practices from archaeological, historical and anthropological perspectives.

Psychoeducational Assessment, Intervention and Rehabilitation (PAIR) publishes high quality articles on theoretical and empirical research regarding psychological and psychoeducational assessment, intervention, and rehabilitation in all areas related to cognitive and socio-emotional development.

This is special issue of the journal Language & Communication. The papers of this issue delve into the multifaceted realm of (non)belonging.

In 2025, GTGC co-organised with the City of The Hague and the Hague Humanity Hub a Just Peace Festival, a vibrant platform on the pressing global challenges of peace with justice. The festival involved a wide range of different activities, including dialogues, exhibitions, performances, film evenings,…

This Think20 (T20) policy brief recommends the introduction of a

Can behaviour in an online economic game be understood as a representation of radicalisation propensity?

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

This doctoral thesis focuses on Paisiello's partimenti and how to approach their realization and performance.

The basic concern that informs every part of the research is in wonder of what happens when sound happens as an aesthetic force. The emphasis of each query lies on the active occasion, the radical empiricism, the moment of encounter, how the sonic event comes to pass as aesthetic force.

Promotores: Prof.dr. J.N. Kok, Prof.dr. M.R.V. Chaudron, Co-Promotor: P. van der Putten

On the 9th of April, Manolis Fragkiadakis successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Manolis on this achievement!

This article by Malte Reimann and Antonio Cerella explores how politics and medicine have become deeply intertwined, using the thought of Roberto Esposito to reimagine this relationship through the lens of an affirmative biopolitics.

In our research and education, we focus on the following topics:

This research paper seeks to examine the nature of the nexus between right-wing extremism and the military by surveying five potential consequences (i.e., problem areas) arising from the presence of right-wing extremists within the armed forces of twelve Western countries.

Louis Verreth and Jeroen De Keyser recently published a critical edition of Francesco Filelfo’s Latin translation of the Rhetorica ad Alexandrum (Edizioni dell'Orso).

The Global Transformations and Governance Challenges Programme hosts a range of international academic gatherings, including the GTGC Conference, the GIG-ARTS Conference in 2024, and the first edition of the Just Peace Festival in 2025.

The Brazilian economy has long been defined by its enormous potential. Over the past 30 years, some of this has at last been realised. Latin America’s largest economy has rapidly risen in global importance while poverty at home has declined. Yet, despite periods of progress, Brazil remains prone to…

The project seeks to explore the interplay of valuation and inequalities in science, using the interdisciplinary and planet-critical field of forest research as empirical case. It examines which/whose knowledge is recognised on what grounds, and how social dimensions like gender and geographical location…

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

Facilitating direct citizen participation through online channels is considered as an opportunity for including harder to reach groups in participation.

The Department of Archaeological Sciences seeks to achieve the highest standards of excellence in science-driven education and archaeological research across the globe and across all periods.

The Centre for Science and Technology Studies (CWTS) is a research institute at Leiden University working on improving how science is practiced and governed and how it serves society.

The Centre for Indigenous America Studies (CIAS) at Leiden University is designed to coordinate and promote the teaching and research of Indigenous languages, literatures, cultures and cultural heritage. Our aim is to contribute to an increased acknowledgement, recognition and understanding of Indigenous…

Bioarchaeology covers the study of all biological remains from archaeological sites.

DIGIFOOD is a transnational research project that investigates how data governance can support equitable and sustainable digital food systems. Around the world, digital technologies are transforming agriculture. Sensors in soil, satellites in space, and mobile phones in farmers’ hands are generating…

This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.

The Faculty of Social and Behavioural Sciences (FSW) offers an inspiring and competitive, international working and learning environment to around 1,025 staff and around 7,000 students from home and abroad on 13 bachelor's, master's and research master's programmes.

This focal area is concerned with studying and promoting openness of research information, for instance information about the outputs and activities of researchers and research teams. It also focuses on the use of open research information to support evaluation and policy making in science.

Our course programme consists of courses targeted at professional users of scientometrics, including librarians, policy officers, and research managers at universities, funding agencies, and other research organisations. For PhD students CWTS offers the annual CWTS Scientometrics Summer School.

Lecture, Sign Languages & Deaf People

At a time of urgent threats to both the planet and multilateralism, Brian McGarry (Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies) has published a new volume on the past and future of international environmental law.

Exhibition

Didactics

LLInC supports innovative and high-quality education both within Leiden University and in partnership with academic and social organisations.