Nanodiamonds and charcoal in Dutch soil provide no evidence for the alleged impact of a meteorite at the end of the last Ice Age. This is the conclusion of a research done by Utrecht University in collaboration with Leiden University and the University of Groningen.

On 26 June 2025, Melanie Fink delivered a presentation titled 'Good Administration in the Age of AI: Explanation Rights and Human Oversight under EU Law' at the European Ombudsman.

January 1st 2017, Bastiaan Steffens will be taking up the Graduate Teaching Assistance PhD position at the Archaeology and Ancient History department at Leicester University.

This project aims to identify which aspects of exploring a novel environment produce beneficial effects on memory. The effects of novelty will be investigated across the lifespan, including children, adolescents and older adults.

The bottom-up development of post-Roman northwestern Europe

Our ability to learn and control movements is essential for engaging in goal-directed behaviour. From buttoning your shirt and driving a car, to cooking dinner and brushing your teeth -- our actions in daily life rely on this ability.

Volume 20 contains eight articles based on research of the Faculty of Archaeology, Leiden University.

Simona Demková from the Europa Institute participated as a key speaker at the annual Digital Constitutionalism Academy on 27 and 28 March 2025. The Academy brought together leading scholars and practitioners to explore the evolving intersection of digital innovation, fundamental rights, and regulatory…

On 12 June 2025, Advocate General Ćapeta delivered her Opinion in WS and Others v Frontex, a Grand Chamber case currently pending before the Court of Justice of the European Union. The case concerns a Syrian family that was returned to Turkey in what is arguably a violation of the principle of non-refoulement…

Thanks to fanatical lobbying various groups of citizens and traders had a lot of influence on the initial success of the Dutch colony in Brazil. This is the conclusion of Leiden PhD candidate Joris van den Tol, who defended his thesis on 20 March.

A retrospective impact assessment of human and environmental resource usage in Late Bronze Age Mycenaean Monumental Architecture, Greece

The aim of this workshop is to open up the discussion of textual communities in Late Antiquity and the early Middle Ages, by offering a platform for PhD students from all over the world and from various disciplines to present their own research and discuss it with others. Deadline: April 23.

The aim of the project is two-fold: first, to further scholarly understanding of the human dynamics that shaped the growth of Dorestad in a broader, international context; and second, to test the potential of multi-isotopic analyses on an early medieval Dutch assemblage.

The programme focuses on the medieval dynamics of intellectual life in the Rhineland and the Low countries, nowadays divided over five countries (Switzerland, France, Germany, Belgium and the Netherlands) but one cultural region in the later Middle Ages.

The project’s main aim was to build a reconstruction of a prehistoric house plan, without using any metal tools. How effective are tools made of stone, flint, bone, antler and wood? What are the constraints imposed by the various building materials? How much labour do we need and how much knowledge…

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Organisation of settlement space and residence rules among the Taino, the indigenous people of the Caribbean encountered by Columbus

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?

MINESCAPES invites PhD students from various disciplines to apply for participation in their 2024 summer school, taking place from May 31 to June 10, 2024. The Summer School will bring together students and scholars from the humanities, social sciences, and natural sciences to study mining landscapes…

On the occasion of the appearance of the monograph "Varieties of the Self.Peter Abelard and the Mental Architecture of the Paraclete" written by Babette Hellemans and published at Brill in 2023, a workshop will be organized concerning rules of observance as ‘texts of life’ in ascetic communities. The…

Promotor: F.H.J. Redig, Co-Promotor: W.T.F. den Hollander

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

In September 2023 Social Justice Research, a journal from Springer Nature, published a ‘Special Issue on Veteran Reflections’. Eight ‘veterans’ analysed the current status of justice research and suggested new directions and refinements. Herman Steensma, guest member of the section Social, Economic…

This thesis investigates the structural evolution and assembly of galaxies since the first few billions years after the big bang.

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

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Nathalie Brusgaard has won second prize (€ 2.000) in the Leiden University Thesis Prizes 2015 with her thesis 'The Social Significance of Cattle in Bronze Age North-Western Europe'.

Papers written on the occasion of the 30th anniversary of the Institute of Prehistory, Volume I.

As of 1 October, David Holmes has been appointed full professor of Pure Mathematics at the Mathematical Institute (MI). His work lies at the intersection of algebra, geometry and number theory.

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…

Multiple identities of elites and ‘commoners’ viewed through the lens of crafting from the Chalcolithic to the Iron Ages in Europe and the Mediterranean

Conference

It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.