These are our lecturers (in alphabetical order) for the 2025 Summer School in Languages and Linguistics.

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.

Lecture

Featuring the world’s first neural synthesizer, artist Guy Ben-Ary and his collaborators will perform at the TodaysArt Festival in The Hague on 21 September. For this performance, he collaborated with the lab of Erik Danen to transform neural stem cells into neural networks on a chip.

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

Evolutionary and ecological interactions affect species on genetic and phenotypic levels. This theme aims to understand these processes at multiple levels: from molecules to genomes to populations and to communities. Our research focuses on evolutionary responses to anthropogenic change, the role of…

An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.

Legal protection in education is something of a neglected child: oddly split between administrative law and civil courts. Brechtje Paijmans is calling attention to this issue as Professor by Special Appointment of Conflict Resolution and Legal Protection in Education.

Ruling Overseas: Connected Practices of Governance of Law

Here you can find an overview of the past projects of the Leiden Leadership Centre.

Promotor: Prof.dr. P.G.L Klinkhamer

There are several committees within the IBL that are crucial for organizing and coordinating research, education and finances. Among the lesser-known of these committees is the IBL Institute Council (IC or Instituutsraad, IR). The purpose of the IC is to serve as a link between IBL members and management…

Leiden University commemorates its victims of the war and pays tribute to all members of the university community who resisted injustice.

Links to various Digital Humanities organizations and resources, mainly in English.

Daniel Soliman defended his thesis on 15 September 2016.

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

The authors aim to provide insight into the way in which frontline officials in teams employ leadership behaviour aimed at creating public value.

Kartika Setyawati defended her thesis on 12 November 2015

This thesis investigated the extent to which participation of school students in decision-making processes can be achieved, including through participatory action research (PAR) in teacher education.

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?

Een nieuw boek in de reeks Elementaire deeltjes

In 'Dutch Atlantic Connections, 1680-1800', Gert Oostindie and Jessica V. Roitman, both of the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV) and also affiliated with the History Institute of Leiden University, assemble an internationally acclaimed selection of authors,…

The Leiden Leadership Programme (LLP) is an interdisciplinary honours programme for master’s students. It is organised by Leiden University's Honours Academy and Leiden Leadership Centre.

In this article, Ben de Jong, research fellow at the Institute of Security and Global Affairs, examines the relationship between double agents and their handlers.

The Common Market Law Review has an internationally composed Editorial Board and Advisory Board.

Jochem van den Boogert defended his thesis on 18 November 2015

Anthropology of Law in Muslim Sudan analyses the hybridity of law systems and the plurality of legal practices in rural and urban contexts of contemporary Sudan, shedding light on the complex relation between Islam and society.

In our culture, vocal harmonics function as independent musical elements since only a few decades. Thresholds of the audible explores the changing relationship between singers, listeners and harmonics.

On Thursday 10 April 2025 Wahyu Widodo successfully defended a doctoral thesis and graduated.

News

The antibiotic EVG7, developed in Leiden, has proven capable of fighting the dangerous gut bacterium C. difficile with only a minimal dose. What’s more, the bacterium is far less likely to return, a major issue with existing antibiotics. The research was published in Nature Communications.

We investigate the processes underlying the patterns. We aim to explain biodiversity by investigating the distribution, function, development, and evolution of body forms, as well as physiological and behavioural variety among species. We collaborate with those specialized in describing, archiving,…

Do understudied animals contain hidden species?

What are the phylogenetic relationships among the members of speciation bursts?

Essays in Archaeology and Assyriology Dedicated to Diederik J.W. Meijer in Honour of his 65th Birthday

Implementing all kinds of change and introducing new structures, far-reaching rules and administrative systems may sometimes seem to distract an organisation from its purpose. Furthermore, there is growing recognition of the need of staff of public organisations to find more meaning in their work: the…

In the research project ‘Furthering public leadership’ the Leiden Leadership Centre collaborates with several public organisations in order to obtain academic insights on public leadership and to develop leadership in practice. This allows for evidence-based development of public leadership and direct…

This research examines how punishment and deterrence is articulated and expressed in the management of migration in Mexico.

While colloidal aggregates are often undesirable due to their random shapes, we exploit them as a starting point to synthesize patchy particles.

The master’s specialisation Bio-Pharmaceutical Sciences and Industrial Pharmacy at Leiden University examines safety and quality control in the production of medicinal products, and prepares students for a career in Quality Assurance and Quality Control in the biotechnological and pharmaceutical ind…

On 8 January 2020, Jelmer Brouwer defended his thesis 'Detection, detention, deportation'. The doctoral research was supervised by Prof. J.P. van der Leun and Prof. M.A.H. van der Woude.

The barrier function of the skin is primarily provided by the stratum corneum (SC), the outermost layer of the skin. Skin barrier impairment is thought to be a primary factor in the pathogenesis of atopic eczema (AE).

The miniaturization of machines towards the micron and nanoscale requires the development of joint-like elements that enable and constrain motion. We developed a facile method to create colloidal joints, that is, anisotropic colloidal particles functionalized with surface mobile DNA linkers that control…

The Joan van der Waals colloquium is an ongoing bi-weekly lecture series.