Promotores: A.P. IJzerman, H.W.T. van Vlijmen

How do technologies of computer vision, which promise to replace humans in the understanding of images, work in practice in the field of security, and what are their ethical and political implications?

Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).

At the center of this research project lies a practice-based, artistic exploration of the impact of digitalization on the lived reality of both physical and cognitive labor.

On the 23rd of February, Adrian Sydney Gomes successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Adrian on this achievement!

Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele

A technique originally developed for satellite imaging can now be used to recover pictographic texts from underneath the surface of a five hundred year old Mexican manuscript.

This project examines how speakers store and process regular pitch variation.

Advances in the field of high-performance Nd-Fe-B permanent magnets, by re-engineering their microstructure to make them more powerful while reducing rare earth content.

ASLU 28 Michalis Karambinis (2015)

The central research question in this study was twofold: 1. To what extent are the three reconstruction models useful in a reconstruction of the public decision-making process concerning decentralized government between 1947 and 2014? 2. To what extent does the reconstruction of this public decision-making…

Promotor: H.S. Overkleeft, Co-promotor: B.I. Florea

Across many decision-making tasks, people and animals systematically repeat (or alternate) their choices - even when the choices they make are intrinsically uncorrelated. This phenomenon (also known as 'sequential effect' or 'choice hysteresis') has been known for at least a century, and may be a stable…

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

A mosaic is the only image which can do justice to museums in the Caribbean. They are as diverse and plentiful as the many communities which form the cores of their organizations and the hearts of their missions. These profoundly social museums adopt participatory practices and embark on community engagement…

Since the emergence of humankind people have maintained social contacts and traveled widely, establishing interaction networks in which goods are traded and ideas are transmitted, increasingly on a global scale.

Don Scott De Amicis will give the sixth Hazelhoff Guest Lecture on international development finance: challenges and opportunities.

In this policy brief, Dennis Broeders, Els De Busser and Patryk Pawlak discuss attribution of in cyberspace from three different perspectives: criminal law, international law and policy. Published together with EU Cyber Direct.

Artificial photosynthesis has recognised potential to produce green and sustainable fuels from earth-abundant resources such as water, carbon dioxide (CO2), and sunlight.

The aim of this study is to identify the side effects during treatment with methylphenidate and to investigate how children experience the use of the medication (such as Ritalin, Concerta and Medikinet).

This GUTS Special Issue focuses on the dynamic relationship between neurobiological development and social experiences in shaping young people's engagement and contributions to society. It explores how young individuals grow up in an increasingly complex world and how various factors – such as family…

Dutch Title:

On Thursday 20 May 2021, Tania Li delivered the annual Van Vollenhoven Lecture.

Promotores: W. Jiskoot, F. Ossendorp

The Netherlands X-omics Initiative is a new facility as part of the National Roadmap for Large-Scale Research Infrastructures. It is partly funded by NWO with a total budget of 40 million euro. The project started on September 2018 and will last for ten years.

The intradermal administration route is attractive for vaccine delivery, because of the highly populated antigen-presenting cells in the skin. However, the skin’s main physical barrier, the stratum corneum, prevents vaccines from entering the skin.

Conference

The project examines the political conflict in the Red River Valley of Louisiana between the majority-black Republican Party and the overwhelmingly white Democratic Party by studying the composition and actions of each party.

This PhD project investigates how grammatical features and lexical elaboration in Fulfulde Juguureere reflect aspects of cattle culture.

It is often claimed—in both scholarly and popular sources—that guide dogs for the blind are a modern innovation. But as this project demonstrates clearly, guide dogs also existed during the medieval period.

Both play and politics have the potential to create worlds in which new rules apply, meanings are created, and possibilities emerge for collaboration, strategy and creative solutions. In this sense, play and politics have always been very much alike. But what happens to this kinship in a post-digital…

This PhD project investigates the different ways in which honorific forms are used in Japanese other than to express politeness, and how different factors affect perceptions about these uses.

The aim of the project is to contribute to the process of archive formation ongoing in Post-Apartheid South Africa through the inclusion of photographs that have been either unacknowledged or excised from the national canon.

How did our academic community position itself in relation to a system that deprived people of their freedom? What role did the university, as an educational institution, play with regard to colonialism and the system of slavery? How can we best engage with and manage our special collections?

The Latin America and Caribbean Security and Intelligence Network (LACSIN) brings together scholars, practitioners, government agencies and the diplomatic community to develop novel and interdisciplinary approaches to addressing key areas of security and intelligence in Latin America and the Caribbe…

The central aim is to systematically study differences in crime patterns and social control between migrants and non-migrants in early modern Frankfurt am Main.

The central aim is examining gender differences in recorded crime, particularly in relation to interpersonal violence, in early modern Bologna.

This project investigates how early print media covered distant but urgent geopolitical conflicts, using newspapers from the Low Countries, north and south.

Although plant domestication has significantly altered crop genetics and phenotypes, its effects on the taxonomic and functional diversity of plant-associated microbiomes are not well understood.

On 14 December, Jouke Tegelaar defended the thesis 'Single supervision, single judicial protection? Towards effective judicial protection in Single Supervisory Mechanism composite procedures'. The doctoral research was supervised by Matthias Haentjens and Willemien den Ouden.

To what extent is it possible to utilise traditional and new media data to examine and understand the nature and scope of homicide in Indonesia?

How can cardiovascular responses index challenge and threat motivational states? How do challenge and threat states shape, and are shaped by, social relations?

The authors provide an approach for eliciting population’s preferences in order to calculate weights for use in the optional weighting step in Life Cycle Assessment.

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

Als gevolg van de grote technologische vooruitgang in de gezondheidszorg worden in toenemende mate gegevens verzameld tijdens de uitvoering van klinische onderzoeken.

On the 1st of December Marcela A. Garcia Probert successfully defended a doctoral thesis and graduated.

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.

Video games have emerged as one of the most interesting media of the turn of the century. The peculiar characteristic of video games is the biunivocal interaction between the computer and the human player.

This study is a critical discourse analysis of the misogynistic narratives shared by three incel violent extremists.

On Wednesday, 14 May 2025, Catherine O'Regan will deliver the annual Van Vollenhoven Lecture