Pharmaceutical companies, governments and the general public have become increasingly aware that animal models used in drug testing lack vital aspects to serve as an accurate representation of human biology. As models of the human body should become more physiologically relevant, animal models no longer…

The data-driven economy allows for the collection and processing of large amounts of data. Such data can be used to optimize profits by (dynamically) differentiating prices for different consumers.

This study aims to make a practical contribution to a new understanding and use of 3D reconstructions, namely as ‘laboratories’ to test hypotheses and visualize, evaluate and discuss alternative interpretations.

Our scientists working with laboratory animals undergo training on animal experiments. In this training, researchers learn how to handle laboratory animals responsibly. Read more about the requirements we set for researchers working with laboratory animals.

LCCP is envisaged as an open space for stimulating discussion, critical debate and inventive co-operation in the Dutch philosophical community. It does not pursue a specific agenda but welcomes different readings of our shared philosophical situation, because it believes that deeper understanding is…

Within the Institute of Security and Global Affairs, research is organised in seven main research groups:

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

An investigation into how racial stereotypes were created and used in the European Middle Ages.

Indirect Method, Critique, and Responsibility in Derrida, Hegel, and Heidegger. Explores why Derrida, Hegel, and Heidegger conceive of their thought as a “movement” rather than as a presentation of results or conclusions.

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?

Operators in the Lexicon opens with an old chestnut: why are there no natural single word lexicalizations for negations of the propositional operator and and the predicate calculus operator all: why neither *nand nor *nall?

Nietzsche has often been considered a thinker independent of the philosophy of his time and radically opposed to the concerns and concepts of modern and contemporary philosophy. But there is an increasing awareness of his sophisticated engagements with his contemporaries and of his philosophy's rich…

Promotor: J.M. van den Broek Co-promotor: M.C. de Vries

Law and peace in the work of Hans Kelsen. A re-evaluation of Kelsen’s legal philosophy: legal pacifism as tacit meaning of his Pure Theory of Law

In this paper, Sibgatullina and Abbas aim to illuminate the complex connections between the European right-wing movements and Islam and discusses how the adoption of Muslim identity may function as a politically strategic opportunity for European conservative forces.

This project studies the theory and practice of moral education in the (Neo)Platonic tradition.

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…

Promotor: M. Danhof, Co-promotores: J. Freijer, A. Yassen

With a lot of theoretical knowledge, practical experience, and your bachelor's degree in the pocket, you are ready for the next step: either entering the archaeological job market or continuing your studies.

The programme consists of 60 EC, to be completed in one year.

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'.

Online cursus The Importance and Power of Music in our Society

In the fall of 2021, Cleveringa professor Roméo Dallaire and world experts shared their thoughts about PTSD, children’s rights, war crimes, humanitarian law, and peacekeeping in a series of conversations about leadership and moral dilemma during times of conflict and crisis.

In the Public Administration specialisation in Policy, Public Administration and Organisation, you will analyse current issues such as the housing crisis, energy transition, and immigration. You will learn how policy is developed and how public organisations function from various perspectives.

Archaeological and Anthropological perspectives

This political theory specialisation focuses on the concepts of legitimacy and justice—political philosophy’s core themes. These concepts lie at the heart of questions of politics and analyzing them conceptually and theoretically gives us tools to engage and assess political practice.

This MA programme offers an excellent qualification in Italian literature and culture on an advanced level through lectures and seminars led by specialists in the field.

Environmental Humanities in the New Himalayas: Symbiotic Indigeneity, Commoning, Sustainability showcases how the eco-geological creativity of the earth is integrally woven into the landforms, cultures, and cosmovisions of modern Himalayan communities.

The doors of the new Gorlaeus Building are officially open! With an additional lab wing, new lecture halls and offices, a library, a brasserie, and spaces for student associations, the building offers a vibrant and inspiring environment for research, study, and social interaction. Explore on your…

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

PhD defence

Protests against textbooks on trans persons in America and against a reading hour by drag queens in Rotterdam: it has been raining protests recently against people with a gender expression that does not match their birth sex. Why does this evoke such resistance? We asked Professor by special appointment…

Bacteria use antibiotics as a weapon and even produce more antibiotics if there are competing strains nearby. This is a fundamental insight that can help find new antibiotics. Leiden scientists Daniel Rozen and Gilles van Wezel published their research results in the authoritative Proceedings of the…

Lecture

On Monday 9 September, police officer Wendell C. (Dordrecht) shot and killed his two children and himself. The mother was also shot and died later that night in the hospital. Marieke Liem, Associate Professor at the Institute of Security and Global Affairs (ISGA) spoke with Dutch news website ‘BN DeStem’…

In 2014 Hans-Martien ten Napel received a Research Fellowship in Legal Studies at the Center of Theological Inquiry in Princeton, NJ. The book he wrote as a result of this fellowship was published last week by Routledge Law.

The fact that a significant number of seats in the Dutch provincial councils are now occupied by members of the Dutch Farmer-Citizen Movement (BoerBurgerBeweging, BBB) who have an agricultural background need not lead to conflicts of interest when voting on, for example, nitrogen emissions. This is…

From 26 August until 5 September 2019, a group of 20 Chinese government officials, industry representatives and academics attended an intensive course on space law and policy at the International Institute of Air and Space Law, organized in cooperation with Avans+ in Breda.

Anthe Janssen graduated ‘summa cum laude’ for the master’s programme Chemistry.He used NMR methods to gain insight in the syntheses and behavior of bio sugars. With this knowledge future therapeutics and research tools in hemical and medicinal biology can be developed. Anthe was awarded € 2.500.

We would all like to live in a world in which individuals feel safe, conflicts are resolved peacefully and the interests of future generations are taken into consideration. At Leiden University legal scholars investigate to what extent public international law meets the needs of a globalised society.…

A research into homicide.

Political games have existed throughout history, but what is the role of 'play' in the way the American political world has developed? University lecturer Sara Polak has received an ERC Starting Grant to investigate this.

Here you will find information about Guus Boelens' graduation ceremony.

The D66 proposed bill on Ending Life with Dignity is inadequately substantiated and contains contradictions. This is the view expressed by Professor of Political Philosophy Paul Nieuwenburg in his inaugural lecture on 17 March.

After a year of war against Ukraine, professors André Gerrits, Antoaneta Dimitrova and Frans Osinga look back at Russian aggression and Western unity and ahead to the new offensive.

In Indonesië zijn studenten massaal in opstand gekomen tegen de regering, die vlak voordat er straks een nieuw parlement aantreedt, nog snel een aantal nieuwe wetten wil doorvoeren.

Wim Voermans, Professor of Constitutional and Administrative law, travelled to São Paolo, Brasilia and Rio de Janeiro from 14 to 18 March with a delegation from Leiden University with the aim of strengthening ties with Brazil. During the visit agreements were made on future academic collaboration and…

That Tessa Schiethart finished her bachelor's degree in International Studies with a thesis on Indonesian women's reasons for veiling was a coincidence. Or so she thought. Six years later, her book Seeing and Being Seen, in which she writes about her life with a wine stain and vision loss, is in the…