The enlargement of the EU to include ten East and Central European countries went smoothly. But further expansion is meeting resistance and Poland and Hungary are now abandoning a number of democratic principles. What are the reasons? Antoaneta Dimitrova, Professor of Comparative Governance, explains…

Telders Competition

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'

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'.

This volume provides a sample of the most recent studies on Spanish-English codeswitching both in the Caribbean and among bilinguals in the United States.

Leiden political scientists Yvonne Kleistra and Niels van Willigen have advised the United States State Department as to how to evaluate its foreign policy. Point of departure was a scientific model that Kleistra and Van Willigen have developed on the basis of their work for the Dutch Foreign Affairs…

Nikoleta Yordanova, a political scientist at Leiden University, will lead an international research consortium funded by the European NORFACE Network to complete a multi-disciplinary project ‘Willingness and Capacity for EU Policy Action in Turbulent Times: Conflicts, Positions and Outcomes’ (EUINACTION).…

On 30 January, GTGC hosted a special event together with the Embassy of Ireland. As part of his visit to the Netherlands, John Concannon, Director General of the Global Ireland Unit of the Irish Department of Foreign Affairs, came to the university to engage in a discussion about Ireland's role in international…

The CADS Asia Research Cluster extends the legacy of the Institute’s Asia focus into the future, as an important hub in international networks on the study of Asia and through active engagement with colleagues in Asia. Within the Institute the Asia Research Cluster offers a platform for anthropologists…

Water, Urbanism, and Sustainability in Roman Ostia

What are the developmental pathways to social anxiety (disorder), the causal processes and maintaining factors? How do these factors interact in the development of social anxiety disorder? How can this knowledge be used to design and implement effective preventive intervention programs for youth?

Below you can find information about the research projects on public leadership of the public management research group at the Institute of Public Administration.

An account of a cognitive approach to historically informed staging.

After a big two-day conference, the Growing Up Together in Society consortium has officially begun. Researchers from seven universities will spend the next decade looking at how young people grow up as engaged and resilient adults. Leiden psychologists explain how they will do so.

Chinese materia medica (CMM), comprising a diverse array of natural substances from plants, animals, and minerals, has been integral to Traditional Chinese Medicine (TCM) throughout history. This study investigates the dynamic evolution of CMM, noting shifts in species for improved therapeutic effects…

De Leidse student Noah Madretsma heeft de finale gehaald van de verkiezing voor VN-jongerenvertegenwoordiger Mensenrechten en Veiligheid. Wie is hij en waarom wil hij VN-jongerenvertegenwoordiger worden? Tijd om eens kennis te maken.

Migration imposes special pressures on the meaning, experience and organization of lifecycle rituals. These pressures are felt most strongly by Muslim migrants to Western Europe. In this innovative study, Nathal M. Dessing examines the effects of migration on the life cycle rituals of Moroccan, Turkish…

In ancient times, the steppe in the hinterland of Petra (Jordan) was transformed into a green oasis. This project tries to shed insights in the agricultural, water management and societal processes resulting in this transformation. This will be accomplished by practicing an interdisciplinary research…

On January 8 and 9, a conference will take place at Leiden University, titled: "The Plurality of Early Modern Media: 21st-Century Perspectives on Interdisciplinary Research in the Humanities". This conference marks the 25 years anniversary of the Intersections series (published by Brill) and reflects…

This research project, that started in September 2008, aims to explore how personal and public memories of the Dutch Revolt in the seventeenth century evolved and interacted to create new political and cultural identities for the societies that eventually were to become the kingdoms of the Netherlands…

In this overview of the reception of Duchamp, the plurality of possible approaches is examined.

Knowledge and culture subproject 1:

Who had a say in making decisions about the natural world, when, how and to what end? How were rights to natural resources established? How did communities handle environmental crises? And how did dealing with the environment have an impact on the power relations in communities?

Linguistic Choices in the Contemporary City focuses on how individuals navigate conversation in highly diversified contexts and provides a broad overview of state of the art research in urban sociolinguistics across the globe.

In higher education intermediate assessment is used in different ways. In her PhD research Indira Day (ICLON) shows that lecturers should be able to continue to have the freedom to use various test forms, because not one type of test is optimal. Defence on June 28, 2018.

Jeffrey Kotyk defended his thesis on 7 September 2017

Reasserting America in the 1970s brings together two areas of burgeoning scholarly interest.

The United States and the European Union need to work together more closely in the field of the law to fight terrorists and criminals who are operating increasingly internationally. This was the advice given by American Minister of Justice Loretta Lynch during her visit to Leiden University on 1 Jun…

The researchers examine the Council of the European Union's voting behaviour between 2010 and 2021 and the impact of different independent variables.

SAILS likes to occasionally organise workshops about topics that relate to our programme. On this page you can find more information about previous workshops.

Adoptees in the Netherlands generally do not use more medication than their non-adopted peers.

Amerindian settlement patterns and early colonial cartography in Northern Hispaniola

Migration is nothing new. A lot of people immigrated to the United States after it was ‘rediscovered’. The Netherlands also colonised a part of the New World and gave it the name New Netherland. Pepijn Doornenbal, a master’s student History, conducts research in the United States about how different…

PhD defence

An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.

A practical checklist with legal, technical and ethical points of view will from now on guide the data scientists when working in Artificial Intelligence: the AI Impact Assessment (AIIA). It has been developed by ECP (Platform of the Information Society) and nine other partners, among them the Leiden…

Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)

The explosive radiation and diversification of the advanced snakes (superfamily Colubroidea) was associated with changes in all aspects of the shared venom system. Morphological changes included the partitioning of the mixed ancestral glands into two discrete glands devoted for production of venom ormucous…

The subject of this thesis is Alverata, a twenty-first-century typeface whose design was inspired by the shapes of Romanesque capitals such as those found in inscriptions of the eleventh and twelfth centuries.

This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…

Integrating life cycle assessment (LCA) with life cycle costing (LCC) offers the opportunity to simultaneously analyze the environmental and economic aspects of product alternatives, for the integration of which a unified computational has been proposed by Heijungs et al. (2013) [1]. The project aims…

On 3 September 2019, Ilektra Antonaki defended her thesis 'Privatisations and golden shares: Bridging the gap between the State and the market in the area of free movement of capital in the EU'. The doctoral research was supervised by Prof. S.C.G. Van den Bogaert.

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.

Muslims have lived in Eastern and South-Eastern Europe for centuries. Their arrival in Western Europe, the two Americas and Australia is however relatively recent. Studying how Muslims relate to their Western environment (and vice versa) and the mutual influences of Western and Islamic philosophies…

Our Institute’s research focuses on ‘global vulnerabilities and social resilience’. Specifically, we highlight three interconnected themes: diversity, sustainability, and digitalisation.

From 1967 to 1982, the United Nations undertook several peacekeeping operations in the Middle East. In his thesis from the Institute for History, Diego Salama examines how these operations were connected and their impact on the region.

The UK has recently been facing racist violence outbreaks. Tahir Abbas, Professor of Radicalisation Studies, discusses this in an article on Hyphen.

The United Nations Office for Disarmament Affairs (UNODA) has published the 2017 issue in their Civil Society and Disarmament series, titled Voluntary, Non-Binding Norms for Responsible State Behaviour in the Use of Information and Communications Technology: A Commentary. The series aims to provide…