This volume edited by Jan Lucassen and Leo Lucassen aims to quantify and qualify cross-cultural global migrations and was published in the series 'Studies in Global Migration History'.

Nirajan Kafle defended his thesis on 15 October 2015

From 1550 onwards, a great interest in the natural world developed across Europe. This interest was not only stimulated by a growing knowledge of local flora and fauna, but also by the import of numerous exotic animal and plant species. Think, for instance, of researches and collectors like Gessner…

In this project we looked at children and their relationships with peers. We wanted to learn more about the well-being of children and how this is linked to topics such as friendships, anxiety and social skills. By looking at these topics and their interplay, we can learn more about how children are…

Nichiran kankei-shi o yomitoku [Revisiting the History of Dutch-Japanese Relations] is a new, two-volume Japanese publication with a chapter written by Wulan Remmelink. Both volumes offer a new look on the historical relations between Japan and The Netherlands during the Edo period by examining various…

Fieldwork is an essential part of this research and of course this part of the project is also a joint effort by citizen scientists and professional archaeologists. Discover when fieldwork will take place and how you can participate.

This thesis examines the complexity of legislative decisions within the EU, with a specific focus on the Council of the EU.

Chemical-induced organ toxicity is a major concern in the development and use of chemicals, including drugs, pesticides, industrial chemicals and cosmetics. In the last decades, the onset and progression of chemical-induced organ toxicity has been linked amongst others to perturbation of mitochondri…

Terrorism has been one of the most important threats to peace, security and stability in many parts of the world. But what does this mean? What is the nature of this threat? What can be done about it and how can we at least limit the impact of terrorism?

Streptomyces are prolific producers of enzymes and secondary metabolites, including more than 50% of all clinical antibiotics. This makes them highly attractive for medical, biotechnological, and industrial purposes.

Promotores: Prof.dr. J.N. Kok, Prof.dr. C.A. Mandemakers, Co-Promotor: G. Bloothooft

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In populations with a seed-bank, individuals can temporarily become dormant and refrain from reproduction until they can become active again. The repository of all dormant individuals in the population is called the seed-bank. Seed-banks are observed in many taxa, including plants, bacteria and other…

Wetland plants are distinguished from plants of other terrestrial ecosystems by their adaptations to specific habitat stresses, including waterlogged and flooding and the subsequent abundance of phytotoxic compounds.

Promotor: Prof.dr. R. Verpoorte, Co-Promotores: N.R. Mustafa, A.E. Schulte

Previous studies have identified institutional, organizational, and individual factors that promote innovation in public organizations. Yet they have overlooked how the type of public administration—and the type of administrators—is associated with innovative attitudes.

This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.

To what extent are the rights to street children violated en how can their rights be protected?

Promotor: Prof.dr. J.A. Bouwstra, Co-promotor: Dr. A. El Ghalbzouri

LUCIS produces various video series and MOOCs to showcase the variety of expertise available at Leiden University.

Provides a cutting-edge comparative political economy analysis of welfare and inequality across ten East Asian countries.

Promotor: J.N. Kok, P.E. Slagboom Co-promotor: J.F.J. Laros

The zebrafish is a promising vertebrate model organism in early drug discovery and development.

The Leiden University Institute for History has a wide-ranging academic scope unique for the Netherlands. This is directly reflected in the participation of her staff in various Master's and Bachelor's programmes at Leiden University.

There is concern about the threat that nanoplastics (NPs) may pose to both wildlife and humans. This thesis explores the mechanisms of toxicity of polystyrene nanoparticles (PS-NPs) in chicken embryo.

ICEHL will take place in Leiden on 7-11 June, 2021.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

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

The unit Health, Medical and Neuropsychology offers eduction and conducts research on related fields of Health, Medical and Neuropsychology.

This study documents and translates the Saa (Zapotec) cultural heritage of the Bene’ Ya’a/En’ne I’ya peoples, the Zapotec inhabitants of the Sierra Norte of Oaxaca.

A vibrant chronology of ceramic manufacturing practices in the valley of Juigalpa, Chontales, Nicaragua (cal 300 CE - present)

This thesis discusses several questions regarding the double ramification cycle as a Chow class on the moduli space of stable n-pointed genus g curves using tools from so-called logarithmic geometry.

PhD at Molecular Biology and Biochemistry Department, University of Malaga - Spain

Before you enroll in one of our courses, it is important to determine your current level of proficiency.

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

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

Cambridge University Press has published a new book co-authored by researchers from Leiden University, offering both an introduction to machine learning and deep neural networks, and an overview of their applications in quantum physics and chemistry — from reinforcement learning for controlling quantum…

Kaveh Lahabi's lab explores the exotic physics of quantum materials, whose underlying physics seems to have more in common with elementary particles and black holes, than ordinary metals and semiconductors.

Computational linguistics uses computational methods to help answer linguistics questions across a variety of topics.

Arabic and its Alternatives discusses the complicated relationships between language, religion and communal identities in the Middle East in the period following the First World War.

The Rise and Decline of an Iberian Bourgeoisie is one of the first long-term studies in English of an Iberian town during the late medieval crisis. Focusing on the Catalonian city of Manresa, Jeff Fynn-Paul expertly integrates Iberian historiography with European narratives to place the city's social,…

Living together in a residential setting adds another dimension to this learning, as our students have to learn to live with others who may not share the same daily routines or standards.

Glycosidases (GHs) are enzymes responsible for the degradation of carbohydrates and play many roles in human health and pathophysiology. Often, abnormal levels of glycosidase activity are markedly linked to human pathologies.

This dissertation provides a description of the phonology and morphology of Mambay, an Adamawa (Niger-Congo) language spoken by 15,000 people in Chad and Cameroon.

Has there been continuity or change in US counterterrorism policy since 9/11? What factors led to the continuity or change, and how do we classify any such continuity or change?

The authors examine the handling of cybercrime cases by law enforcement officers, focusing on bottlenecks and potential improvements noted by experts in the field.

Dr. Pauline Aarten tries to find answers of the impact a road traffic accident has on the victims and surviving relatives and how we can improve their position.

Leiden University is famous for its library’s large collection of Oriental manuscripts. Part of this collection is a group of 104 Arabic documents written on papyrus and paper (Or. 8264 and 12885). These documents date from the 7th through 10th century CE and cover a wide range of subjects (private…

The production, use, and exchange of bodily ornaments through the lenses of the microscope

On 9 April 2019, Yudan Tan defended her thesis 'The Rome Statute as Evidence of Customary International Law'. The doctoral research was supervised by Prof. dr. W.A. Schabas.