During the first year of life, babies adapt to the language they hear around them. In the event of hearing difficulties, this can lead to a language deficiency, which is not so easy to resolve, says Professor of English Linguistics Janet Grijzenhout. Inaugural lecture 19 March.

It is often thought that immigration threatens the solidarity on which redistribution relies. But looking at the post-war period, PhD candidate Emily Anne Wolff finds that this is not the case.

Regulating Relations: Controlling Sex and Marriage

Lecture

Promotor: S.M. Verduyn Lunel

Through our research, we aim to enhance both scholarly understanding and practical knowledge in sustainability governance, while making meaningful contributions to the public debates on these critical issues. To achieve this goal, we embrace diversity in our research topics, methodological approaches,…

This catalogue is the result of the EU_CUL project (2018-2021), which explores the use of cultural heritage in Europe for fostering academic teaching and social responsibility in higher education.

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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…

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.

Together with colleagues from the Stimson Center and in the framework of the Global Governance Innovation Network, Dr. Joris Larik has recently published the report

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.

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.

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?

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:

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…

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 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…

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.

Environmental challenges such as plastic pollution and biodiversity loss require extensive monitoring. Citizen science, in which members of the public participate in scientific research, has therefore become an important approach in environmental science.

This research examines cultural pathways as a tool, methodology and framework for advancing climate action in the Anglophone Caribbean through the integration of archaeological, ethnographic, and community-based knowledge.

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.

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

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

Lecture, Sign Languages & Deaf People

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.

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.

Didactics

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.