How did toxin genes evolve from harmless physiological genes?

In this article, Dimiter Toshkov aims to explains the gender gap in COVID-19 vaccination attitudes.

This dissertation provides a description of Konso, a Cushitic language spoken by about 250,000 speakers in the South-West Ethiopia.

A defining fixture of our contemporary world, video games offer a rich spectrum of engagements with the past.

Ömer Gürlesin defended his thesis on 28 November 2018

This book presents the first comprehensive study of Dime, an endangered Omotic language spoken by about 5400 speakers in south-west Ethiopia. The study presents analysis of the phonology, morphology and syntax of the language as well as a sample of ten texts and an extensive word list.

Promotores: Prof.dr. F. van Lunteren, Prof.dr. F.S. Gaastra

A selected group of unpublished amulets from various collections in the world will be studied and edited.

This thesis aimed to investigate the impact of exposure dynamics, relative contributions of ENPs(particle) and ENPs(ion), and dosing regimens on the toxicity of ENPs varying in different physico-chemical properties, on the composition and functioning of soil microbial communities.

Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.

The labour market has seen significant changes in recent decades, not least in terms of greater flexibility and digitisation. Leiden University is keen to prepare students for a working life in which flexibility, resilience and adaptability will be essential qualities. The university’s vision on teaching…

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.

To gain more insight into the evolutionary development of orchid flowers and fruits, the orchid species Erycina pusilla was studied. The evolutionary origin of the median petaloid sepal, the callus on the labellum, and the stelidia was studied.

With the advent of multicore processors and data centers, computer hardware has become increasingly parallel, allowing one to run multiple pieces of software at the same time on different machines. Coordination of these pieces is best expressed in a coordination language as an explicit interaction protocol…

The main topic of the book is the nature of inner aspect of the Verb Phrase, and the relation between the decompositional and the quantificational approaches to this problem.

On the 16th of June, Ndokobai Dadak successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Ndokobai on this achievement!

The basic concern that informs every part of the research is in wonder of what happens when sound happens as an aesthetic force. The emphasis of each query lies on the active occasion, the radical empiricism, the moment of encounter, how the sonic event comes to pass as aesthetic force.

This study aims to make a practical contribution to a new understanding and use of 3D reconstructions, namely as ‘laboratories’ to test hypotheses and visualize, evaluate and discuss alternative interpretations.

PhD at Université de Picardie Jules Verne, Amiens - France

This is the first reference work to describe the history of embroidery throughout Central Asia, the Iranian Plateau and the Indian Subcontinent from the medieval period through to the present. It offers an authoritative guide to all the major embroidery traditions of the region and a detailed examination…

Large parts of the research described in this Thesis aims at the development of oligopeptide-masked toxins and their in situ immunoproteasome-mediated activation.

In the thesis the dynamics of strategies is studied from two perspectives.In the first part of the thesis strategies are considered to be opinions present in a community.

The main focus of this research project is to investigate why people in Eastern Arabia chose to reuse ancient tombs and how this can be linked to collective memory.

Graduates of the master's specialisation in Global Ethnography are proficient in analysing and reporting global vulnerabilities and local forms of resilience.

Cultural Anthropology and Development Sociology at Leiden University studies the everyday practices of individuals and groups around the world in relation to the complex global challenges of diversity, sustainability, and digitalisation.

On the 27th of June, Timothy Mac Hadjah successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Timothy on this achievement!

On 5 September, Elize de Mul defended the thesis 'Digital Döppelgangers: identity in the Culture of Imagination'. The doctoral research was supervised by Simone van der Hof and Esther Keymolen.

This is the first special issue of any organisation studies journal on food labour. Why is this a big deal? In this Introduction, we argue that the field should pay much more attention to the agri-food system and the work that goes into producing, distributing and consuming foodstuff. Food is such an…

Explore the profound impact of silences on social, political, and interpersonal dynamics in complex historical contexts. This collection of essays challenges assumptions and draws on diverse academic fields to reveal the pervasive nature of silence in human existence.

Hoe ver mogen demonstranten gaan? En moet de politie ingrijpen als iemand zich vastketent? Jeroen ten Voorde, hoogleraar straf- en procesrecht, sprak met Omroep Gelderland over het demonstratierecht: ‘Ik zou niet meteen zeggen dat het strafbaar is.’

Reworking Culture: Relatedness, Rites, and Resources in Garo Hills, North-East India provides intimate insights into the lives of hill farmers and the challenges they face in day-to-day life. Focusing on the ongoing reinterpretation of traditions, or customs, the book critiques the all too often taken-for-granted…

At ACPA, the collaboration between Leiden University and the University of the Arts The Hague, artistry and academia meet at the highest level.

Proceedings of the 25th International Congress of Roman Frontier Studies 1

Proceedings of the 25th International Congress of Roman Frontier Studies 4

Proceedings of the 25th International Congress of Roman Frontier Studies 3

Proceedings of the 25th International Congress of Roman Frontier Studies 2

The BOCA project explores new forms of communicating academic knowledge as a way to strengthen the connection between the university and society.

Research projects for students of the University of Leiden and other Dutch Universities are often available at the MacBio group. The research lines are also described in the Research section. For details of specific projects contact the supervisor (Ubbink, Dame, Boyle, Jeuken or Wentink).

Like any language, the natural sign languages (henceforth: SLs) of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that SLs make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

Was the progressive colonial civil servant the precursor of the postcolonial development-aid worker?

Self-censorship violates principles of a free society but few people want to take the role of the martyr.

The university aims to expose all students to sustainability topics and issues that are relevant to their field during their time studying here. Students are educated to become academic professionals with the necessary knowledge and skills to contribute to the sustainability transition.

On 12 September 2019, Michiel Rhoen defended his thesis 'Big Data, Big Risks, Big Power Shifts: Evaluating the General Data Protection Regulation as an instrument of risk control and power redistribution in the context of big data'. The doctoral research was supervised by Prof. G.J. Zwenne and Prof.…

In Sri Lanka, a prominent Singhalese Buddhist monk publicly proclaims that it is not a sin to kill Tamils. In Japan, the family register kept in a Buddhist temple and specifying the outcaste status of a lineage is provided to private detectives investigating the marriageability of a young woman. Throughout…

In 2019 Leiden University will be 444 years old. This special birthday calls for a special celebration. We will be celebrating this milestone with the residents of Leiden and The Hague.

How were war heroes and war criminals created, and how do these images relate to the historical context?

This thesis analyses the existence and the functioning of the urban labour market in the early Roman empire by looking at the crucial influence of social structures, such as the family and non-familial labour collectives.

Read on these pages all about the history of Leiden University, the oldest university in the Netherlands. The Academia Lugduna Batava was founded in 1575 and its motto is: Libertatis Praesidium ('Bastion of Freedom').

Gerrie Lodder has published an article in the Dutch legal periodical Nederlands Juristenblad on the exploitation of labour migrants from the perspective of human rights.

We study the link between the acoustic, behavioral and physiological health of birds and prominent pollution factors. We aim to explore causation through experimental studies on detrimental factors like traffic noise, particulate matter and chemical toxins. Our primary target is scientific progress…