This thesis is a (biased) journey through very different topics in astrophysics: quasars and new populations of active galactic nuclei, gravitational waves from merging black holes, and protoplanetary discs around young stars.

This volume considers the military architecture and its impact on local communities in Rome's eastern frontier, which stretched from the north-east shore of the Black Sea to the Red Sea.

University Lecturer Nadine Akkerman concluded her book tour for her book 'Invisible Agents' in England at the Hay Festival. At the festival, attended by almost four thousand people, Invisible Agents was one of the most discussed books and caught the attention of the national newspaper and The Times.

Labour is back as a significant social and political force in Indonesia, as was shown in the recent 1 May trade union demonstrations in Jakarta. Over the past years major changes have taken place in Indonesian labour law, leading to new forms of judicial and political resolution of labour disputes.

The new cabinet threatens to cut nearly a billion euros from higher education. This not only endangers academic work, it is a disaster for the Netherlands itself. The proposed penalty on study extensions and other financial measures will heavily impact students and will reduce education accessibility.…

Although official law generally conceives of personal injury victims as individual rights holders, the actual experience of physical injury and its consequences is relational. Indeed, many researchers in the global North as well as the global South have contended that the very concept of the Self should…

This research cluster aims to analyse and interpret the formation and transmission of Graeco-Roman culture by exploring the relationships between cultural products (texts, objects, practices) and their societal and historical contexts.

Check your application deadlines here.

PhD defence

The BLRN members have published extensively in recent years. In addition to the BLRN book series, dissertations of BLRN members published in the E.M. Meijers Institute Series, you will find below a selection of our publications. For a more complete overview of publications of each BLRN member, please…

Policy studies and interventions in the field of Youth

Two documents mark the birth of Leiden University.

In this book Adam Fairclough chronicles the odyssey of black teachers in the South from emancipation in 1865 to integration one hundred years later.

Leiden University has participated in an international study carried out by the CARMENES consortium, which has discovered two small, terrestrial planets around Teegarden’s Star. The planets have masses similar to Earth and their temperatures could be mild enough to sustain liquid water on their surf…

Promotor: M. Franx, Co-Promotor: I.F. Labbé

Come and enjoy a unique free concert on 16 December. With performances by students from Leiden University, who alongside their studies are following the Practicum Musicae talent programme at the Royal Conservatoire The Hague. Various ensembles, quartets and duos and a brand-new orchestra will treat…

While bioinformatics methods deal with the analysis of sequence information (be it proteins or DNA), the field of cheminformatics is concerned with the analysis of small-molecule datasets.

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

On Wednesday 25 June 2025 Dechun Zhang successfully defended a doctoral thesis and graduated.

Leiden University will be taking part in the 3 October parade. Are you coming to watch?

The Humanities Faculty bachelor’s degree programmes in History, and Greek and Latin language and culture were rated by students as the best. The master’s programmes in Classics and Ancient Civilisations, Dutch Studies and North American Studies also received the highest scores. These were the results…

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

Both good employer practices and good employee practices are open norms. These open norms can lead to uncertainty about what employers should focus on and what rights (and obligations) employees have in that respect. The objective of this study is to give substance to the norm of good employment practices…

Considering Mesoamerican Precolonial books as material objects

Labour law is constantly changing. Concurrently, the laws dealing with workers address fundamental issues which are invariably of major significance and value. The research carried out at the Department of Labour Law and Social Security focusses on both the (constant) changes in labour law and social…

The early modern and modern Europeanists at the Leiden Institute of History approach the past from comparative and transnational perspectives, frequently placing the history of our continent in global contexts. Our research covers the geographical and thematic breadth of Europe since ca. 1500, with…

The Kroese-Duijsters symposium will be held in the Gorlaeus Building of the Faculty of Science.

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

Today’s socio-economic challenges aren’t new. In the centuries after the retreat of the Roman state people with different backgrounds and with different ways of life somehow managed to build and maintain a complex economic system in northern Gaul that would produce the ruling dynasties of Europe. By…

Research question

This research project of the Catholic University of Leuven was created in 1976 by Professor Dr Pierre Vermeersch, who assumed its direction until 2003. The present director is Professor Dr Philip Van Peer.

The 3rd International Workshop on Klinefelter Syndrome, Trisomy X, and XYY will be held at The Academy Building, Rapenburg 73, Leiden. It is situated in the city center, close to hotels, restaurants and attractions.

Dorothea Schulz & Martin Hense

When does radicalization not lead to terrorist attacks?

The map application includes information from old and new buildings archaeological projects. This makes it possible to investigate whether water facilities (wells, cisterns) and waste facilities (cesspits, sewers) were the privilege of Leiden’s wealthy elite in the late 16th and 17th centuries or whether…

ELS@Leiden research encompasses a wide range of empirical-legal projects carried out within Leiden Law School from the perspective of multiple disciplines and methods. Here you can find the publications of our (former) lab members since the start of the Sector Plan.

Radboud University Nijmegen is advertising a position for a Postdoctoral Researcher in Medieval Manuscript Studies (0.8 FTE) to be part of the research team of the ERC-funded project "Patristic Sermons in the Middle Ages. The Dissemination, Manipulation, and Interpretation of Late-Antique Sermons in…

Onlangs verscheen het boek ‘Afgrond zonder vangnet’ van Yra van Dijk, hoogleraar Moderne Nederlandse Literatuur. In haar boek analyseert ze verschillende thema's in het werk van Arnon Grunberg.

To be eligible for Mathematics and Education at Leiden University, you must meet the following admission requirements.

To be eligible for Mathematics at Leiden University, you must meet the following admission requirements.

To be eligible for Literature in Society: Europe and Beyond at Leiden University, you must meet the following admission requirements.

The maximum number of students that can be enrolled in the first year of the programme of the master Biomedical Sciences at LUMC is 100.

To be eligible for Life Science and Technology at Leiden University, you must meet the following admission requirements.