Multinationals use loopholes in the tax treaties between different states. A possible solution would be to eliminate all these loopholes in one go by creating a central global treaty. Leiden researchers are investigating whether this kind of mega-treaty is feasible.

Here I propose to study the relationship between autonomic pupil-synchronisation and trust, at the behavioural and neural level, and examine a targeted set of possible contextual moderators.

This project aims to contribute to the improvement of documentation and archiving standards (conform the FAIR principles) for systematic Mediterranean archaeological field survey.

Virtual currency is a new phenomenon. There is still uncertainty regarding its operation, status and legal consequences.

Unraveling the immune-suppressive actions of drugs like prednisone.

Media & interaction is where artificial intelligence and machine learning meet philosophy, cognitive science, and the creative arts. Examples of research questions in this domain are: 'Can an algorithm be creative by human standards?', 'Can creative processes, such as composing music or writing poetry,…

Researchers of the National University of Singapore and Leiden University have discovered that chimpanzees and bonobos share the contrasting colour pattern seen in human eyes, which makes it easy for them to detect the direction of someone’s gaze from a distance.

Composer Paul Craenen (1972) is actually a pianist, but as part of his PhD ceremony, he performed a composition on PVC pipes. Craenen studies the position and role of the body in music. ‘I am interested in what precedes the resulting sound’.

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

This project seeks to integrate scientific research and practical knowledge in the study of the mechanisms that make dialogue an effective tool for communication, teaching, and thinking.

The Basics and Applications to Plant Sciences will be held physical. See below for more information.

Impressions by Wouter Baas and Caroline Schep

The Old Obervatory Leiden is one of the partners of the local learning ecosystem ‘Verwonder om de Hoek’, an educational platform from Leiden that lets school children and families wonder about the world of Nature, Science, Technology and Sustainability. On this page you will find the educational programmes…

The current migration flow into Europa demands effective measures. Leiden experts examine whether these measures are legal and hold up a mirror to policy-makers.

The Visiting Scholar Scheme at the Institute of Security and Global Affairs welcomes applicants from early career to professors to join us for a maximum period of 3 months in The Hague.

This project explored the role of material culture, in casu painted plaster and its technologies, in expressing dynamic social identities and in forging complex interwoven human relationships in the context of the Middle to Late Bronze Age of the Aegean and East Mediterranean.

A lecture about the drive, dynamics and dilemmas of our central bank and supervisor. Joanne Kellerman discussed the role of DNB, the central bank in our country for already 200 years, and the dilemmas that a supervisor faces. How can be ensured that a supervisory intervention is rightly timed and that…

How do secondary school teachers’ professional learning preferences relate to teaching experience and the school context?

Politics is about the authorised allocation of values: who gets what, when and how much? This question is relevant at many different levels, in many different places and in very different ways.

The goal of hit discovery is to identify suitable chemical starting points to modulate a drug target. A hit can be, a.o., a small molecule, a protein or mRNA. Hit identification is performed via rational design, genome mining, (targeted) library screening, or in silico approaches.

By carrying out fundamental research and providing excellent education, universities become a breeding ground for innovation and entrepreneurship.

In July 2022, Leiden hosted the ESOF conference.

In recent decades, the Netherlands’ struggle with multiculturalism has caused an upsurge in public interest in the relationship between state and religion. In this, the Dutch address a subject relevant not just to them, but to all of Europe.

Are you in a position of talent coach, coordinator, mentor, dean, or teacher and looking for university programmes that provide an extra challenge for the students of your school? The Leiden University Honours Academy provides such a programme, where vwo-students from the final three years of high school…

Most people know what law is. But what it should be or where it comes from is what interests the researchers from the Institute for the Interdisciplinary Study of the Law. Key to their approach are topics that go right to the heart of philosophy of law. What is a state? What are the limitations of…

In Renaissance Florence, humanists wrote Latin poems fashioning their city as the new Rome, and members of the Medici family as Roman rulers. How can we explain this practice?

Identifying the gaps in the legal framework for EU activities in the maritime security domain, and specifically in the areas of combating piracy, human smuggling or trafficking and drug trafficking.

The ultimate aim of this project (initated by the European Law Institute) is to design a framework that will enable the further development of coherent and functional rules for business rescue in Europe.

How do we approach education that facilitates creative confidence for students that leads to innovative solutions to society’s present day and future sustainability challenges? This education research project tackles a sustainability dilemma faced by households in everyday life viz.

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

The papyruscollection of the Leiden Papyrological Institute is a modest collection, housed in the University Library of Leiden University. It was built up as a study collection and used in the first place for teaching and reaching a larger public.

In this project, we aim to obtain a quantitative understanding of the role of the immune system in tumor regression, of the role of tumor cell heterogeneity in cancer growth and of tumor cell migration properties.

Nature is a never-ending source of inspiration for the researchers at the Institute of Biology Leiden (IBL). Based on a better fundamental understanding of nature, they are able to seek solutions in the area of health and biodiversity. The theme of IBL is ‘Harnessing biodiversity for health.’

Supplementum Epigraphicum Graecum is an annual publication collecting newly published Greek inscriptions and studies on previously known documents.

The main interest of this project concerns learners’ perceived learning outcomes in massive open online courses and the factors related to their perceived learning outcomes.

The chemical industry must continue to innovate for a more sustainable, healthier society. The reseachers from the Leiden Institute of Chemistry (LIC) contribute by applying their knowledge to themes such as sustainability, energy and health.

Prof. Elizabeth de Lange is concerned with the allocation of resources for the conduct of science towards the goal of best serving the public interest. Also, while she underscores that there is still the need for using animals in drug research, she is concerned about this use, and advocates the use…

The Institute of Public Administration studies the complex problems facing the public sector in the 21st century, from climate policy to the effects of digitalisation. Its researchers analyse, explain and help come up with solutions to the challenges of society today.

On this page we have listed the most frequently asked questions about the Pre-University Classes for you. Is your question not listed? Then please send us an e-mail!

The project concerns the nature, the usages and functions of pictographic systems in relation to writing in societies with (restricted) literacy.

Leiden University hosts a wide range of seminars and workshops on themes related to European approaches to societal challenges. Some of these are listed below.

A research into the consumption experience and consumption behaviour.

This research projects wants to know what Muslims in the West do and mean by ‘Sharia’, and how the Western legal system responds to that. The focus is on Sharia as an informal practice by Muslims in the West, i.e. other than through state law or state courts.