The Van Loon project sets out to safeguard the archives of Dutch archaeologist Maurits van Loon (Amsterdam, September 22, 1923 - Montpellier, October 12, 2006) and make them accessible for further study.

Is our musicality unique? To find out, the Bird Singalong Project brings together singing parrots from all over the world. Do you have a parrot that sings or whistles along to songs and would you like to help us? Sing up now!

The proportion of professors at Leiden University who are female has risen slightly to 32.0%. These are the results of the Women Professors Monitor 2024 released by the Dutch Network of Women Professors (LNVH). This puts Leiden University above the national average of 28.7%.

Leiden University offers ambitious students a world-class environment in which to reach their full potential.

In this publication the results of the analyses of the Roman harbour of Voorburg-Arentsburg (NL) are presented. This fully inclusive and integrated study of more than 1000 pages is published in two volumes. The publication is written in Dutch, but has got an extensive synthesis/summary in English.

In this publication the results of the analyses of the Roman harbour of Voorburg-Arentsburg (NL) are presented. This fully inclusive and integrated study of more than 1000 pages is published in two volumes. The publication is written in Dutch, but has got an extensive synthesis/summary in English.

On 26 October, Hetty ten Oever defended the thesis 'Healthcare Purchase Agreement: The legal relationship between the health insurer and the care provider from a contract law perspective. The doctoral research was supervised by Henk Snijders and Iris Houben

A safe haven for students, more bicultural staff and more powers for diversity officers. In a national expert meeting at Campus The Hague, administrators, diversity officers, students and staff discussed urgently needed measures.

Caspar van den Berg was asked by Dutch news programme EditieNL for a reaction to the new coalition agreement and the ministerial team. Some ministries are set to have two ministers. Can that go well? View the excerpt.

With Leiden University Press, LUCIS publishes a peer-reviewed book series “Debates on Islam and Society” aimed at a broad audience. A number of books in this series are available in open access.

How can teachers be motivated by their students’ data in making stepwise changes to their teaching practices?

Empathic or anxious mistakes? A neurocognitive investigation of the development of social performance monitoring in youth growing up in stressful versus non-stressful environments

Wordt het nog wat met de Arabische lente?

This is a research project on the implementation of national mathematics curriculum reform in Chinese junior high school. The research is expected to provide insight into the ways and reasons of mathematics teachers in Chinese junior high school for implementing national curriculum reform.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

The hypothesis of this research is that the municipality used the impressive the Town Hall to enforce its rule and represent its political ideas and make use of sources such as biographies, poems, pamphlets, sermons and governmental documents.

What are the implications for life on Earth of the declining numbers of insects? How does the ever increasing stream of of energy and material flowing through our cities impact the global environmental ? Find out the answers to these and more questions on sustainability in the new monthly lecture series…

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

If you want to maintain a valid penal system, you have to continue to ask the big questions on punishment. Why do we punish people? What is permissible for the government and what is not? Philosopher of Law Jeroen ten Voorde examines these kinds of questions and keeps his academic colleagues and the…

The Faculty of Archaeology ranks as the best on continental Europe and is in the top ten of the world. Our master’s degree in archaeology offers the most diverse programme of its type in the Netherlands.

Inaugural lecture

A fragmented political landscape, permanent pressure from current affairs and an increasingly political civil service: our government faces many challenges. This makes it all the more difficult to make important decisions about pensions or the climate. Research and good education can help meet the challenges…

On 22 May, the Dutch House of Representatives invited one hundred citizens to pose critical questions regarding the Ministries’ annual reports. This followed on from the annual ‘Accountability Day’. Caspar van den Berg, Associate Professor of Public Administration, helped think about how citizens could…

Two hundred years ago Caspar Reuvens was appointed as the first professor of archaeology in the Netherlands. He was to lay the basis for both the National Museum of Antiquities and the Faculty of Archaeology at Leiden University. To mark the occasion, the faculty is organising an anniversary lecture…

Frits van der Meer and Caspar van den Berg wrote an article for the Montesquieu Institute, triggered by the short essay Herman Tjeenk Willink wrote as annex to his final report as informateur. The essay calls for more attention to the feasibility of policies.

Bezoek

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

On 12 April 2022 Alok Oak successfully defended a doctoral thesis and graduated.

This volume investigates how loanwords can prove past contact events, taking into consideration ten different regions located in the Philippines, Eastern Indonesia, Timor-Leste, and New Guinea.

Study information

This dissertation investigates ikat from the eastern Indonesian islands from a uniquely technical perspective, including design analysis of asymmetry and microscopy.

The Department of Constitutional and Administrative Law of Leiden University has published a collection of research essays on the separation of powers. This collection addresses the main question of whether the historically developed combination of concepts of democratic legitimacy and the separation…

Study information

Study information

Study information

Nico Schrijver and Niels Blokker (Grotius Centre, Public International Law) organised a seminar on the role of non-permanent members of the UN Security Council on 11 and 12 May. The seminar was held with the involvement of the Dutch Ministry of Foreign Affairs, as the Netherlands will be a member of…

The Academic Language Centre Leiden offers Spanish language courses at ten different levels, an intensive summer course and tailor-made Spanish language training. The courses are practical in nature: focusing on the use of the language. More information can be found here >

Ömer Gürlesin defended his thesis on 28 November 2018

From where litter ends up to which languages are spoken in Leiden and The Hague: over 50 interesting, surprising, complex and entertaining questions were sent in for the Citizen Science project to mark our 444th anniversary. Not one but two Citizen Science projects will be starting this year in Leiden…

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

Clara ten Hacken defended her thesis on 16 December 2015

The project will clarify that in the search for these new means the treatise On the sublime of ps.-Longinus played a crucial role. However, the project will also place the theatre performances in a broader social and political perspective. These public events and the theatre performances suggest that…

Leiden University commemorates its victims of the war and pays tribute to all members of the university community who resisted injustice. Rudolph Cleveringa, for instance, the dean of the law faculty who gave a protest speech in 1940 after his Jewish colleagues were fired. We honour their memory through…

The programme group Learning and Behaviour Problems in Education is one of the six programme groups within the department of Child and Education Studies at Leiden University.

Radiation can be used to determine the isotope ratio of a skeleton. This provides information about where our ancestors lived and what they consumed. Dr Andrea Waters has developed a revolutionary method that can trace patterns of consumption from tens of thousands of years ago.

Is our musicality unique? That’s what the Bird Singalong project aims to find out. And for that, they need the help of feathered friends from all around the world. ‘By researching how parrots learn songs, we also learn more about the origin of our own musicality.’ Do you have a parrot that can sing…

Bribing a politician to gain influence or making sure friends end up in powerful positions: Brazilian energy companies use these power strategies daily.

We are developing the conceptual framework, which is new to this taxonomic group, and evaluate the current state of the art with respect to all critical parameters and transfer functions for a fully developed Population Consequences of Acoustic Disturbance (PCAD) model.