Leiden University has an Open Access policy and a Copyright Information Office.

Accurately recognising others’ emotions is a fundamental social skill, relevant for navigating the social world from early childhood. Children’s ability to do represents a milestone in their socioemotional development and is associated with a number of important psychosocial outcomes. Many individual…

Promotores: Prof.dr. E.A.L. Biessen, Prof.dr. T.J.C. van Berkel

The staff of the Europa Institute possess extensive expertise on European Union law and European Human Rights law generally. Current research focuses on five areas of particular relevance for European integration.

Exploring the mechanism of targeted nanoparticle-mediated drug delivery using the zebrafish model

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

Leiden University policy requires researchers to make all their Leiden-affiliated peer-reviewed articles available.

Deadline approaching: Applications are still open for the Summer School ‘The European Union, the United Nations and Global Governance’ (16 - 20 June 2025) for Master-level and PhD students. Application deadline: 15 May 2025.

A Spatial Enquiry into the Urban Society of Rome’s Imperial Port-Town

The Europa Institute offers a regular European Law LL.M. programme and an Advanced LL.M. programme in European and International Business Law.

The Leiden University Graduate School of Archaeology (GSA) coordinates the admission and registration procedures of all PhD candidates with a PhD graduation planned at the Faculty of Archaeology. The GSA monitors the whole PhD track, from admission to graduation, supports (financially) both PhD ‘bottom…

EUMOTIONS explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

This dissertation investigates A'-dependencies in Standard German, Zurich German and Dutch where the dislocated constituent is indirectly, i.e. not transformationally, related to the position where it is interpreted. The analysis is carried out within the Principles & Parameters framework.

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.

Circumstellar discs are the reservoirs of gas and dust that surround young stars and have the potential to become planetary systems.

The outermost layer of the skin, the stratum corneum (SC), is responsible for the skin barrier function, protecting the body from pathogens, chemicals and other unwanted substances from the external environment. The SC lipid matrix provides the only continuous pathway through the SC and is considered…

The Biomedical Metabolomics Facility Leiden (BMFL) is the core metabolomics facility of Leiden University and the Metabolomics and Analytics Centre (MAC). We offer a highly structured environment for advanced MS-based metabolomics studies and build on fully validated, state-of-the-art assays that each…

A lot of our research is performed at temperatures close to absolute zero, among other reasons because this increases the sensitivity of the measurements. 

The two-year programme consists of 120 European Credit Transfer System points (EC) and includes core courses (30 EC), two Industrial Ecology Projects (20 EC), specialization courses (35 EC) and the Thesis Research Project (35 EC).

Simona Demková of the Europa Institute recently participated in the inaugural Czech-Slovak symposium on the challenges of artificial intelligence for administrative law, titled 'Co roboty rozhodovat nenecháme?' ('What Shall We Not Let Robots Decide?'), held on 7 March 2025, at Charles University's Faculty…

The Rutte-III coalition agreement has been presented and the commentary is flooding in. Public administration experts Arco Timmermans and Gerard Breeman examined the new agreement – as they have done for every coalition agreement since 1963 - and made a systematic analysis of it: it is very much about…

‘Everyone’s talking about it, everyone thinks everyone else is doing it, but the reality is disappointing,’ says biochemist Gerard van Westen in his 3 October University lecture in the Van der Werfpark. In the full marquee, he gets a laugh with this suggestion that artificial intelligence is comparable…

Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…

LED3 is the combined effort of three excellent institutes of Leiden University. Through joined hands, we are able to give rise to a more effective early drug discovery pipeline. Let us briefly introduce the three institutes.

Providing each cancer patient with the right treatment remains a challenge. Oncode Accelerator aims to change this by innovating the way we develop cancer treatments, thus ensuring the patient is at the heart of the process. Leiden University, the LUMC and other partners will implement this new way…

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.

An overview of awards and prizes granted to our staff and students in 2017, as well as special appointments and royal distinctions.

What is the population size and social structure in time and space? What is the lion diet and food preference in time and space? What is the home range (MCP and Kernel) and movement in time and space? What are human – lion conflict and responses of lions to traditional herding in time and space? What…

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

On 15 November 2019, Dr. Joris Larik, Assistant Professor at LUC and Convener of the International Justice major, convened a policy roundtable on “Brexit’s Next Chapter: The Revised Deal and Global Britain” .

On December 13th & 14th Singer Niels Berentsen will defend his thesis Discantare super planum cantum. New Approaches to Polyphonic Improvisation 1300-1470 to obtain his doctoral degree.

The book ‘Forty years of Leiden Environmental Science’ is available in digital format (PDF). It relates to the history of the Institute of Environmental Sciences (CML).

Learn to program, gain knowledge of AI methods, or use it in a research project at the LACDR. With the introduction of the innovative digital learning environment ‘Digital Labcoat’, Biopharmaceutical Sciences bachelor students can further develop their computational skills.

An international consortium of research institutes, universities and non-academic partners in six European countries has been awarded with a research grant from the Department for Research and Innovation of the European Commission in June 2018. MIDA is coordinated by the ‘Centre National de la Recherche…

Prof. Benno F. Galjart, Professor Emeritus at the Institute of Cultural Anthropology and Development Sociology of Leiden University, has passed away last Wednesday, 10 February 2016, at the age of 82.

The 2018 Physics Nobel Prize is awarded to Arthur Ashkin, Donna Strickland and Gérard Mourou for their research on optical tweezers based on lasers. Leiden physicists comment in the following media.

Ann Bessemans, who received her PhD degree from the Academy of Creative and Performing Arts Leiden University in 2012, has set a world record for the biggest number of words on a postage stamp.

How did free agents oppose the monopolies held by the VOC and WIC in court?

The organising committee of the congress 'Social Benefits of Higher Education' has decided to postpone the congress.

You will be advised by a PhD Advisory Committee (PAC) that is appointed especially for you. Typically the members of the PAC are: the LACDR Scientific Director, your promotor(s), if applicable, your co-promotor(s) and an external advisor.

The Honours Academy of Leiden University organises outside-the-box education in which students and teachers from all faculties further develop themselves. In doing so, we help them, the university, and society move forward.

The aim of this project is to foster a historiography that does justice both to the realization that scientific knowledge is constructed by local, contingent, and contextual processes, and the claims of science to objective validity.

CompaRe aims to conduct and stimulate research on comparative regional integration in Europa, Asia, Africa and Latin-America. To this end, CompaRe organizes conferences and workshops, and CompaRe members contribute to conferences, research papers, publications and reports on comparative regional…

Master

The PhD programme of the Institute for Philosophy is embedded in the Graduate School of Humanities. The Institute for Philosophy is an active research unit with a strong international reputation. It provides a stimulating environment for post-graduate research in the field of philosophy.