The Graduate School Management (GSM) module is a registration and monitoring module for you and your supervisor(s). All information is stored in a uniform way and made accessible in one place. Converis is the software behind LUCRIS.

Natural history collections provide invaluable sources for researchers with different disciplinary backgrounds, aspiring to study the geographical distribution of flora and fauna across the globe as well as other evolutionary processes.

Shining a light on the nefarious netherworlds of espionage, this is the first book to concentrate on the actual techniques and technologies used by early modern spies —from ciphers to counterfeiting, invisible inks to assassination

What is the cost of visual complexity? This dissertation sets out to determine the effect of the complexity of word formation on the legibility of Arabic and the role that vocalization plays in reading.

During the early modern period, many medieval manuscripts were cut up into strips of parchment which were reused to reinforce the bindings of newly printed books. Until recently, these reused pieces of medieval manuscripts only came to light when the early modern book binding was damaged and/or subjected…

Intermediality, Media Practices and Media Literacy is one of the six research themes of the LUCAS Modern and Contemporary cluster.

The aim of this research is to define the relationship between sources of articulation for different kinds of instrument in the period between the beginning of XVI century (first extant indications) and the end of XVIII century.

Marvel at our rare collections.

The Graduate School Management (GSM) module is a registration and monitoring module for you and your supervisor(s). All information is stored in a uniform way and made accessible in one place. Converis is the software behind LUCRIS.

The MSc program Evolutionary Biology focuses on important factors for the evolution of organisms. It prepares you for a research careers at universities, research institutes, or biotechnology sector. It’s also possible to combine training in biological research with training in communication, education…

This centre brings together the research of the members of the Institute of Philosophy and affiliated academics whose work focuses on the history of philosophy broadly conceived. Research interests range from ancient to near-contemporary philosophy in various regions of the world, and cover all subdisciplines…

To what extent does the Law Ombudsperson for Children achieve its goals as intended by the legislator when introducing the law?

A measured yet theoretically innovative exploration of how Islamophobia and radicalisation intersect and reinforce each other.

First held in 2013, the Europa Lecture is an annual lecture organised by the Europa Institute of Leiden Law School. It provides leading thinkers, scholars and politicians with a platform to share their views on questions of European integration with the academic community and wider public.

We are committed to empowering the continuous development of higher education. With a team of multidisciplinary experts, LLInC supports innovative and high-quality education, within Leiden University and in partnership with academic and social organisations.

Constitutional and administrative law covers a broad area of law. It provides the rules with which issues in society can be solved by government authorities.

This page provides information to support your application for the Master's programme of Bio-Pharmaceutical Sciences.

On Wednesday, 14 May 2025, Catherine O'Regan will deliver the annual Van Vollenhoven Lecture

This project aims to explore the environmental impact of early Roman expansion (4th/3rd century BC) through a program of dating and ecological sampling of traces of field systems (centuriations).

How to stimulate novel research in science and innovation

The Mathematical Institute is one of the eight institutes of the Faculty of Science. The institute operates as a single unit defined by the activities of its members.

The Children’s Rights Monitor provides a thematic overview of the implementation of the UN Convention on the Rights of the Child in the Netherlands.

How was anti-communism organized in the West? New volume edited by Giles Scott-Smith, Luc van Dongen and Stephanie Roulin on the aims, arguments and associations of a range of transnational anti-communist activists during the Cold War.

In this research group, headed by Prof. Erik Danen, the aim is to unravel cellular signaling mechanisms in normal and diseased cells, with a long-standing interest in cell adhesion signaling. In complex multicellular organisms such as ourselves, a division of labor emerges where different tissues and…

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.

Crises like climate change and loss of biodiversity pose serious challenges for public governance, from the local to the global scale. With the Centre for Governance of Sustainability we contribute to addressing these governance challenges. Our focus is on how policy processes and governance practices…

Macrophages and atherosclerotic lesions The infiltration of monocytes in the arterial wall, their differentiation to macrophages, and the subsequent accumulation of cholesterol in these macrophages initiate the process of atherosclerosis. We study the importance of specific genes in macrophages for…

Multi-objective evolutionary computation aims to find high quality (Pareto optimal) solutions that represent the trade-off between multiple objectives.

Over 200 people paid their first visit to the new Middle Eastern Library on a special open evening. As well as exploring the library, they got to see exhibitions, speed lectures and premieres about Leiden University’s Middle Eastern collections.

On the brand-new Leiden Teachers Blog, Leiden teachers share their experiences with educational innovation. They show colleagues, students, and everyone else who is interested the different facets of creating university education.

On 2 November, more than 800 students visited Leiden's Humanities Faculty to explore their options during the Master's Open Day. Read some of their stories here!

Recently, four books have been published which contain a chapter by ACPA senior researcher, lecturer and PhD-supervisor Dr. Marcel Cobussen.

Professor Ariadne Schmidt and Associate Professor Arie van Steensel (University of Groningen) have produced A Companion to Medieval and Early Modern Leiden, the first English-language history of Leiden. Mayor Peter Heijkoop received the first copy.

(1) What are the institutional factors that influence AI adoption and implementation? and (2) How does AI reshape the exercise of administrative discretion within public organisations, and how do adoption and implementation choices moderate these effects?

Ronald Cramer, in cooperation with Ivan Damgard and Jesper Nielsen (Aarhus University) have recently published the first book ever written on “quantum-secure multi-party computation”. The authors have spent six years to finish this comprising book.

The future does not yet exist, but many people think about it daily. The course Designing Your Future, part of the Honours Programme at the Faculty of Governance and Global Affairs and taught by Bram Hoonhout‘Being a mentor during HOP week is something I can recommend to everyone’

Searching for ways to delay the need for a transplant and trying to build kidneys to order.

Musical instruments are multiple things: they are objects but also means of communication; they are technological and also deeply connected to embodiment through the player; and they leave certain cultural traces (Ricoeur 1975/1984). This research project explores how literary texts from the 19th century…

In the BNR lobby panel, a topic is highlighted every week that lies at the intersection of entrepreneurship and politics. Arco Timmermans, Professor by Special Appointment of Public Affairs, talks about the effect of Brexit on lobbying in the EU.

No less than seven scholars of the Faculty of Humanities were awarded a Veni grant. Veni grants are aimed at excellent researcher who recently obtained their doctorate. With a maximum grant of 250.000 euros, the laureates can develop their research ideas in the coming three years.

This study adds nuance to the empirical literature that interrogates the link between exposure to mass violence and post-conflict justice preferences.

In this article, Samir Negash, PhD candidate at the Institute of Public Administratation, discusses the discrepancy in European countries between the measured impact of immigration on the welfare state and how this impact is perceived by citizens.

Promotor: J.G.E.M. Fraaije, Co-Promotor: A. Kros

This book explores the relationship between the production of new urban spaces and illiberal community-making in contemporary India. It is based on an ethnographic study in Noida, a city at the eastern fringe of the state of Uttar Pradesh, bordering national capital Delhi.

Source: Structure , Volume 22, Issue 8, pp. 1120-1139 (2014)

In this thesis, the role of mast cells in atherosclerosis and novel therapeutic strategies to inhibit atherosclerosis progression are discussed. The first part of the thesis specifically focuses on the relation between mast cells and advanced human atherosclerotic plaque characteristics.

Today’s performances of medieval polyphony have a lot in common with those of other ‘classical’ or ‘early’ music. Ensembles perform pieces written by known or lesser known composers, which the listener can revisit by listening to recordings or reading a score.

This thesis describes the development of improved formulations and alternative delivery strategies for polio vaccination.

This project sets out to map, document and analyze instances of squatting in Leiden from 1970 to 1990, in order to set up an online Digital Archive of Squatting in Leiden. This archive will function as an online resource for academic research, as well as a starting point for public activities such as…