The Guava Platform, which is at the centre of this PhD thesis, was initiated in 2014 as a conceptual framework of my art practice and research. The aim of the Guava Platform is to research and create possible techniques of art-actions that are part of my quest to continue to live in the conflicted landscape,…

Artistic research has come of age, and with it the Orpheus Institute. Founded twenty years ago, the Institute’s purpose from the start has been to pursue research through the practice of musicians.

Nowadays, most Europeans speak a language belonging to the Indo-European language family. However, very different languages were spoken on our continent before the arrival of the Indo-Europeans. The EUROLITHIC project tries to find answers to the question which languages these were and where they came…

Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

This GUTS Special Issue focuses on the dynamic relationship between neurobiological development and social experiences in shaping young people's engagement and contributions to society. It explores how young individuals grow up in an increasingly complex world and how various factors – such as family…

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

How can video games be used as feminist tactical media to expose the root of exclusions (based on sex, gender, class, race, ability, etc.) pervasive to gaming communities?

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

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

Shining a new light on the Roman world

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

If idioms employed in codes of conduct could be as idiosyncratic as examples suggest, then to what extent did early modern language of vice, too, persist in this genre?

A seven-metre glass tunnel, filled with running water, and equipped with speakers and cameras. An artificial river for investigating what light and sound pollution do to migrating fish.

This project analyses the democratic consequences of increasing decentralization and regionalization in European countries. Through an original approach that foregrounds informal political dynamics, it studies the functioning of democracy in subnational units, and investigates the effects of ever more…

PACES is an innovative, inter-disciplinary and multi-level research project that asks, How do changes in society, individual life experiences and migration policy shape decisions to stay or to migrate over time and across countries? And how can this knowledge inform future migration policies and gov…

How do chemical contaminants traverse and affect terrestrial biodiversity and ecosystems?

A difficulty of studies on chemical kinetics are the reaction time scales and detection of their intermediates.

The Archaeology and Epigraphy of Jordan’s North-Eastern Desert and Beyond

The Faculty of Humanities

On the 2nd of September Jiyan Qiao successfully defended a doctoral thesis and graduated.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

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

Situated at the crossroads of the Indian and Pacific Oceans, the Spanish Philippines offer historians an intriguing middle ground of connected histories that raises fundamental new questions about conventional ethnic, regional and religious identities.

The fourth volume of Ex Novo has the pleasure to host Heleen van Londen, Marjo J. Schlaman, and Andrea Travaglia as guest editors of the special issue titled The Natural and The Cultural. Integrating Approaches in Landscape Heritage Management. This timely collection of peer-reviewed papers and short…

On Wednesday 24 September 2025 Marija Šerić successfully defended a doctoral thesis and graduated.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 we, too, celebrated our 450th anniversary.

The War, Peace and Justice group unites scholars and practitioners to explore war dynamics, peace promotion, and justice’s role in conflict and global affairs.

This article discusses the degree of independence that is required for national human rights institutions to function successfully.

Local authorities face numerous major issues in different neighbourhoods, all requiring different approaches and solutions. With this study, Leiden University aims to gain a better understanding of how residents from every neighbourhood in The Hague think and act on such issues. This insight will help…

Resilient future generations that will shape a healthy society.

Where do our MSc Governance of Sustainability students end up after graduating? Below you find four stories of our graduates, who were interviewed by two first-year students. What is their work like, how did they end up here, and how did the masters’ prepare them for this job?

With the powerful electron microscopes at NeCEN we study abnormalities in cells of blood vessels in cardiovascular disease, the interaction between pathogens and hosts in infectious diseases, molecular processes that cause cancer and the interaction between drugs and target proteins. Drug development…

During the development of the (human) body from a single fertilized egg, organs and structures must form. The development and growth of biological forms is called morphogenesis.

Conference, International Seminar, Hybrid

Conference, International Seminar, Hybrid

What are best practices for teaching students to engage with 'wicked' problems?

Around 1.8 million years ago, early hominins moved into Eurasia and adapted to colder climates and unfamiliar ecosystems. This project investigates whether innovations in diet such as eating new plants or applying new techniques for food processing (cooking or fermentation) contributed to this major…

Conference

What are the patterns and processes of human mobility in the pre-colonial circum-Caribbean as revealed by burial populations and what are the underlying motives and socio-cultural principles on both micro- and macro-scales?

Bacteria in the teeth tell us a lot about nutrition and disease in our ancestors. It also tells us more about the immune system. This provides clues for treating modern diseases and allergies. For a long time archaeologists were irritated by tartar on the teeth of excavated skulls. They thought that…