This project explores innovative strategies to counter online extremist content, focusing on integrating traditional content moderation tactics with targeted online interventions. Through research, workshops, and data-driven experiments, we aim to answer: How and when should traditional content moderation…

Irene Morfini defended her thesis on 21 February 2019

The energy system is at the heart of two of the greatest challenges of the 21st century: decreasing CO2 emissions to meet the ambitions of the Paris agreement while fulfilling the growing energy demand associated with the economic aspirations of a growing world population.

The Old Observatory is located on the grounds of the Hortus. This is the oldest surviving university observatory in the world. Since 1633, the University of Leiden has used the various rooms for the education of students. The Visitor Center on the ground floor of the Old Observatory is part of the Hortus…

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.

The rise and fall of the cesspit in an urban context

CWTS staff members regularly supervise PhD theses and act as external Ma-thesis advisors. We offer a range of topics for students from several disciplines interested in science studies, research evaluation, bibliometrics, altmetrics, higher education studies, innovation studies, organizational sociology,…

The Public Administration specialisation in Digitalisation, Governance and Society prepares you for a future where digital issues and governance are intertwined. You will learn how to translate developments like AI into concrete policies and work responsibly with technology in public administration.

The Public Administration specialisation in Economics, Governance and Management combines public administration with economics to analyse issues such as the climate or housing crisis. You will learn to think economically and formulate policy advice.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

The Europa Institute of Leiden University is one of the oldest academic institutes specialised in the law of the European Union and the European Convention on Human Rights; it was established in 1957, the same year as the European Economic Community itself.

The master's programme in Philosophy of Humanities at Leiden University allows you to specialise in conceptual and methodological issues in the Humanities.

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

The research in the framework of the Jean Monnet Chair is focused on the following points.

The Urban Studies bachelor’s programme is based on two learning trajectories. One is dedicated to knowledge related to urban issues, while the other focuses on a wide range of practical and academic skills.

How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…

The Dutch museum landscape is among the most forward-thinking worldwide, in terms of innovations in engaging diverse audiences and stakeholders. Building on the museum studies and art history programmes at Leiden University, the Museum Lab furthers students’ engagement with museums.

During the Europe 1000-1800 programme you will learn from inspired academics. Find out more about the programme below.

Subproject of

This article studies the influence of framing on preferences for cooperation with the EU.

Built Environment and Domestic Material Culture in the Medieval and Post-Medieval Cyclades, Greece (13th – 20th Centuries AD)

In analogy to mathematical proofs, the goal of a proof system is for a prover to convince a verifier of the correctness of a claim.

The Oxford Handbook of Dutch Politics provides a comprehensive longitudinal overview of the state of the art of academic research on the Dutch political system: its origins and historical development, its key institutions, main fault lines, pivotal processes, and key public policy dynamics. In each…

On the 1st of December Marcela A. Garcia Probert successfully defended a doctoral thesis and graduated.

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.

Nuran Buket Cengiz defended her thesis on 13 June 2017

How can historically-informed performers step outside the confines of the work-concept?

To make the right clinical decisions or develop effective diagnostic tests and treatments, it is important to understand the underlying mechanisms of a condition or behavior.

Along with your application, you will need to submit a variety of documents. This information only applies to students who need to submit an admission application. If you have a bachelor’s degree from Leiden University that grants you automatic admission to a master’s degree in the same field, you don’t…

The pre-master's is a bridging programme for students who have applied for the MA Literary Studies but who, according to the Board of Admissions, still have deficiencies in their educational background. Once you have completed the pre-master’s programme, you will be admitted to the relevant specialization…

Along with your application, you will need to submit a variety of documents. This information only applies to students who need to submit an admission application. If you have a bachelor’s degree from Leiden University that grants you automatic admission to a master’s degree in the same field, you don’t…