There is little evidence of the routes connecting Amerindian communities in the Caribbean prior to and just after 1492. Uncovering possible canoe routes between these communities can help to explain the structure, capabilities, and limitations of the physical links in their social and material networks.…

In this article, Dimiter Toshkov investigates the determinants of COVID-19 vaccine hesitancy and refusal, focusing on Eastern, Southern and Western Europe.

Promotores: Prof.dr. J. A. Bouwstra, Prof.dr. W. Jiskoot

Otrar as a Case Study for a 6-10th century Transition Zone

Combining cutting-edge quantitative approaches with more traditional book history approaches, this new book offers the first history of medieval manuscript destruction in England from the medieval period to the present.

Improving health, enhancing well-being and reducing health disparities across society.

How do technologies of computer vision, which promise to replace humans in the understanding of images, work in practice in the field of security, and what are their ethical and political implications?

This project examines how speakers store and process regular pitch variation.

Do you aspire to a national or international career in law? Then choose the master’s programme Law - European Law - at Leiden University: a broad and solid foundation for your career.

Promotor: H.S. Overkleeft, Co-promotor: B.I. Florea

How can cardiovascular responses index challenge and threat motivational states? How do challenge and threat states shape, and are shaped by, social relations?

Video games have emerged as one of the most interesting media of the turn of the century. The peculiar characteristic of video games is the biunivocal interaction between the computer and the human player.

EUMOTIONS explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

A Spatial Enquiry into the Urban Society of Rome’s Imperial Port-Town

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

On 20 februari 2019, Chris van Oostrum defended his thesis 'Regres bij concernfinanciering'. The doctoral research was supervised by Prof. mr. S.M. Bartman.

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

A defining fixture of our contemporary world, video games offer a rich spectrum of engagements with the past.

Shining a new light on the Roman world

In a podcast episode of 'New Books in History' Claire Weeda talks about her book 'Ethnicity in Medieval Europe 950-1250: Medicine, Power and Religion'.

On 17 October 2019, Laure d'Hondt defended her thesis 'Addressing Industrial Pollution in Indonesia. The Nexus between Regulation and Redress seeking'. The doctoral research was supervised by prof. A.W. Bedner and dr. J.A.C. Vel.

The growing popularity of corporate self-regulation to address supply-chain issues puts Corporate Social Responsibility and specifically codes of conduct, at the centre of attention. In this article, Jaroslaw Kantorowicz, Sarah Vandenbroucke and Yvonne Erkens analyse supplier codes of conduct of multinational…

The labour market has seen significant changes in recent decades, not least in terms of greater flexibility and digitisation. Leiden University is keen to prepare students for a working life in which flexibility, resilience and adaptability will be essential qualities. The university’s vision on teaching…

When researching languages in historical context, our goal is to understand the nature of linguistic variation in the past, and explain the extent to which the socio-cultural context of bygone times contributed to shaping linguistic variation and change.

Responsible AI for science and a strong and resilient society.

The history of sign languages of deaf people is severely understudied. The historical linguistics of sign languages offers a fundamentally new perspective on the history of human languages. This project addresses the dearth of knowledge about historical sign language linguistics through a large-scale…

Cultural and individual differences

On the 17th of December, Jin Wang successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Jin on this achievement!

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

Arab Identity and the Rise of Islam

The Leiden Institute of History approaches early modern and modern European history from comparative and transnational perspectives.

Cholesterol influences many pathways, including serving as precursor for adrenal steroidogenesis. Imbalance of cholesterol levels has been implicated in several diseases including cardiovascular diseases and its underlying pathology, atherosclerosis.

This dissertation presents a new perspective on the life, work and character of the Dutch physical chemist Jacobus Henricus van ’t Hoff, first recipient of the Nobel Prize in Chemistry, and one of the most important and colourful scientists in Dutch history. The image of Van ’t Hoff that emerges from…

What should the EU do to support Ukraine, Belarus and Moldova? How can the European Union adapt its policies towards these countries in a very difficult and challenging geopolitical context?

Cette étude montre que le développement phonético-phonologique en fulfulde et bambara est à la foiscomparable au développement langagier dans d’autres langues du monde et influencé par les caractéristiques phonétiques et phonologiques de ces deux langues notamment au niveau de la phonotaxe.

Innovating objects in a Eurasian center of the Late Hellenistic period.

Making extensive use of primary source materials this study contributes to existing scholarship in the field of eighteenth-century grammars and grammarians by providing an in-depth study of Ash’s Grammatical Institutes and its influence on other popular grammars for children.

Dario Fazzi

Categories of gender and sexuality are the subject of heated debates in our everyday lives. To understand how systems of gender and sexuality operate, and why these are such contested areas we need to study these categories came about historically.

The project contends that in Late Antiquity (c. 300-500 AD) both the figure of Christ and those of Pythagoras and Socrates underwent a parallel process of metamorphosis facilitated not least through an intellectual exchange between Christian theologians and Neoplatonic philosophers. From Iamblichus…

This PhD project investigates how grammatical features and lexical elaboration in Fulfulde Juguureere reflect aspects of cattle culture.

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Security and Legitimacy is one of the three organisational clusters of the Institute of Political Science.

Are you interested in the neurocognitive and biological roots of learning, behaviour and emotions in children? If so, the programme in Applied Neuroscience in Human Development might be the specialisation you are looking for.

In Microbial Sciences, we perform multidisciplinary research to understand the structure and function of microbes at all levels of biological organization, from small molecules and cellular structures at atomic resolution to multicellular communities.

Arts and leisure, Arts and leisure

Arts and leisure, Arts and leisure

How has democracy’s decline affected law making processes, enabling powerful stakeholders’ influence while minimalizing the protection of public interest and the environment?

What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.

The Faculty of Governance and Global Affairs of Leiden University in The Hague has developed a Serious Game, 'het Grote Migratiespel' to introduce secondary school students to their study and research programmes.