This article investigates how temporary coalitions of non-state actors engage in international negotiations on environmental issues.

In which way and to which extent is integration articulated in concept maps and which factors affect the resulting concept maps? By which factors is the perceived usefulness of such concept maps affected?

Research on the process and construction of news stories about human rights issues in Latin American newspapers.

The research of the group Learning and Behavior Problems in Education addresses learning difficulties in the areas of reading (technical reading and reading comprehension) math and writing, and examines learning-related behaviors behaviors.

Ömer Gürlesin defended his thesis on 28 November 2018

Promotor: P.J.J. Hooykaas, Co-Promotores: P.B.F. Ouwerkerk, M. Wang

Promotor: Roeland M.H. Merks

Biological cells, the basic building blocks of all life forms, are surrounded by a lipid membrane. More than half of the membrane is occupied by membrane proteins, which can regulate the cell functionality through specific arrangements.

This project consists of various case studies.

It is essential for researchers to be able to obtain independent research funding to advance in their careers.

Promotor: E. Gittenberger, Co-promotores: L.P. van Ofwegen; B.W. Hoeksema

In the wake of the COVID-19 pandemic, the pressing question is how this global health emergency impacted the research agendas of the field of crisis and disaster science. This article reviewed contributions in ten important crisis and disaster journals in the two and a half years following the COVID-19…

On 11 October, Amanda Pasma defended the thesis 'Re-entry support from prison-based and community-based professionals'. The doctoral research was supervised by Paul Nieuwbeerta, Hanneke Palmen and Esther van Ginneken.

Teaching excellence is one of the core functions of the War, Peace and Justice (WPJ) research group. WPJ members engage in diverse forms of public engagement, but all share a commitment to education.

Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?

Comparing Mycenaean tomb building with labour and memory

In the Brill series Intersections a new volume has been published, entitled Ronsard and Du Bartas in Early Modern Europe.

Carbohydrates, or sugars, are the most diverse and most abundant biomolecules known. However, the isolation of carbohydrate samples in sufficient amounts and purity is often impractical or even impossible, so the chemical synthesis of glycosides becomes relevant. The glycosylation reaction, in which…

This study looks at the diverse phonological systems found within Central Chadic, and reconstructs the phonological system of their ancestor language.

A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.

LUCIR aims to bundle together, strengthen and disseminate existing research in the field of international relations.

This dissertation focuses on teacher professional learning and collaboration in secondary schools.

Big data promises to transform public decision-making for the better by making it more responsive to actual needs and policy effects. However, much recent work on big data in public decision-making assumes a rational view of decision-making, which has been much criticized in the public administration…

Leiden University is established in two cities: Leiden and The Hague.

The CMCB brings together a diverse range of unique expertise in microbial cell biology. Members of the CMCB investigate both model and non-model organisms, bacteria and archaea, pathogens and non-pathogens.

Imitation is, perhaps more than ever, constitutive of human originality.

This dissertation reports on the beliefs and perceptions of Chinese and Dutch university teachers regarding the role of research in university teaching and how these beliefs and perceptions can be explained by their cultural, institutional and individual background characteristics

A neurobiological perspective on individual differences in social competence

Vocal learning is a trait shared by songbirds and humans. It is also a trait that is restricted by the brain rather than by a species' vocal apparatus. In this dissertation, functional MRI is employed in both species in order to explore potential common neural mechanisms underlying the ability to develop…

How do we experience electronic music? How does electronic music operate on perceptual, cognitive and affective levels? What are the common concepts activated in the listener’s mind when listening to electronic music? Why and how are these concepts activated?

On 1 February 2018 Nathalie-Sharon Koster defended her doctoral thesis ‘Crime victims and the police’. The doctoral research was supervised by Professor J.P. van der Leun and M.J.J. Kunst.

On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.

This thesis aims at thinking through the ethical position of animals in a way that differs radically from the manner in which this ethical position is thought within contemporary animal rights discourse.

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

On the 2nd of September, Hang Cheng successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Hang on this achievement!

From descriptive to physiological models that can predict oral absorption and elimination of CYP3A substrates across the pediatric age range.

How and to what extent does AI affect citizen representation in public service delivery and state-citizen interactions?

What does the interspecies interpretation of the equality principle mean for the liberal democracy, and is it possible to provide for an appropriate legal and political position for animals without defying the classic-liberal principles of the liberal democratic state?

This project introduces primary school children (8-12 years) to science and archaeology.

Global problem solving, interdisciplinary, critical thinking, and active citizenship- all words you hear when we speak about Liberal Arts and Sciences. But what actually is Liberal Arts & Sciences?

Human language is constantly evolving with its linguistic structure being shaped by language users at both individual and population levels. Focusing on the interplay between processes of language acquisition and communicative need in shaping human languages, this thesis introduces a novel computational…

This monograph by Robert Ross provides a detailed narrative of the Kat River Settlement in the Eastern Cape of South Africa during the nineteenth century.

The Effects of the 1881 Liquor Act on the Leiden Alcohol Trade

The Department of Civil Law teaches and conducts research in the field of civil law. It is responsible for the master’s degree programme Civiel Recht (Civil Law LL.M.) which attracts many students each year from Leiden and elsewhere.

The increase in the European Union's executive powers in the areas of economic and financial governance has thrown into sharp relief the challenges of EU law in constituting, framing, and constraining the decision-making processes and political choices that have hitherto supported European integration.…

Programs that aim to reduce symptoms of social anxiety in children generally include multiple components, such as exposure and cognitive restructuring. It is unknown if separate components yield positive intervention effects in children or whether a combination of components is required.

All crested and marbled newts (the genus Triturus) suffer from an unusual genetic abnormality, called a balanced lethal system, that kills exactly half of their offspring. How can a trait so disadvantageous have survived millions of years of natural selection?

This paper series is the result of two rounds of PhD workshops organized by the editors at the TMC Asser Institute and Leiden University in 2024 on ‘The legal implications of the EU’s geopolitical awakening’, with the generous financial assistance of the Municipality of The Hague.

The core of Leiden University's vision is to train students to become academic professionals and engaged, responsible citizens. Once they have graduated, out students will then be able to make a contribution to resolving the challenges currently facing society - both within and outside academia.