For each living organism health is ensured by correct functioning of its cells. Cells therefore have elaborate methods for regulation of their proteins.

Green hydrogen is produced via a process called water electrolysis. During electrolysis water is split into oxygen and hydrogen.

This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.

The aim of the research programme Systems Pharmacology lies in the development of personalised medicine strategies, and development of new systems-based approaches in translational and clinical pharmacology.

On 24 January 2024, Vethaak defended the thesis 'Empirical Analysis of Social Insurance, Work Incentives and Employment Outcomes'. The doctoral research was supervised by Koen Caminada and Pierre Koning.

On the 16th of May, Qing Yang successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Qing on this achievement!

On 12 March, Frederik Heitmüller defended the thesis 'Combatting tax avoidance, the OECD way? The impact of the BEPS Project on developing and emerging countries’ approach to international tax avoidance'. The doctoral research was supervised by Madeleine Hosli and Irma Mosquera Valderrama.

Clinical development of drugs for central nervous system (CNS) disorders has been particularly challenging and still suffers from high attrition rates.

Promotores: G.R. de Snoo, W.T. de Groot, Co-promotor: C.J.M. Musters

This thesis focuses on the social dimensions of crane and wetland conservation in rural landscapes in Kenya, Uganda and Zimbabwe.

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

This thesis explores how bees and hoverflies are distributed across the Dutch landscape and how ecological and landscape factors shape their occurrence.

Lecture, Sign Languages & Deaf People

De 'vermoedelijk' nieuwe premier Rob Jetten, streeft naar meer invloed op het wereldtoneel. Zijn minderheidskabinet brengt echter uitdagingen met zich mee bij internationale beslissingen, zegt, Corné Smit, gastdocent staats- en bestuursrecht voor de NOS.

To what extent can digital technologies be considered as authorities?

The EU acts as one of the most powerful economic actors in the global economy, presents itself as the most successful integration project in recent history, and deploys one of the largest diplomatic services in the world.

Brian Shaev

In A History of Plague in Java, 1911–1942, Maurits Bastiaan Meerwijk demonstrates how the official response to the 1911 outbreak of plague in Malang led to one of the most invasive health interventions in Dutch colonial Indonesia.

Wim Klooster and Gert Oostindie present a fresh look at the Dutch Atlantic in the period following the imperial moment of the seventeenth century. This epoch (1680–1815), the authors argue, marked a distinct and significant era in which Dutch military power declined and Dutch colonies began to chart…

In the Master's programme Crisis and Security Management, specialisation Terrorism and Political Violence, we focus on the academic body of knowledge on different form of protests, contention, resistance and violence. We explore and explain the emergence of radical and extremist movement.

Central to this research is the Urban Future-project, which consists of a large archive of artworks made from 2002 until now.

Arts and leisure, Arts and leisure

Enhancing social inclusion through developing methods and analytical tools for understanding and reasoning about such phenomena based on sensor data.

This initiative is supported by the Leiden University Global Seed Fund (LUGF) 2025, awarded to Santy Kouwagam (VVI) and Irene Hadiprayitno (LIAS) together with Universitas Indonesia.

This subproject offers a political and transnational perspective on the development and uses of public memories of the Revolt in the seventeenth century.

How did rulers in the Netherlands and in adjacent smaller German territories adapt their regimes to ongoing change in legitimacy and decision-making during the transition period 1780-1820?

Governance is a complex puzzle of organisations, people and divergent interests. Academic research in this field furthers our knowledge of the role of public administrators, of different organisational structures, of the people who work at such organisations and of how these organisations implement…

This project is situated within the context of an innovation of the biology curriculum in Dutch secondary schools. The main purposes are (1) to clarify the relation between teachers’ practical knowledge and the decisions they make when planning and implementing their lessons and (2) to develop a professional…

Public sector decision-makers operate amidst an abundance of information and unclear political objectives. Attention is the sine qua non of policy-making: What is attended to can be addressed in policy responses; what is overlooked or goes unnoticed cannot. Despite its importance, public administration…

The LHSC booster grants awarded are described below. The summaries below are aimed at the general public. For further detail, please contact the researchers in question.

This NWO-funded research programme focuses on the assumptions and methodology of the writing of history of science. History of science is in many respects a flourishing discipline: it currently yields an impressive volume of studies. Systematic reflection about the ways in which history of science may…

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

This project involves research into the oeuvre of the Sundanese sculptor Iko, who has worked for the Catholic mission in Java and has carved sculptures for a chapel and church in Ganjuran. The images were designed by the Catholic layman Jos Schmutzer and are characterized by a fusion in style and symbolism…

Central to Nuranisa’s PhD project is the cultural diplomacy practiced by the Javanese courts of central Java (Surakarta, Yogyakarta, Pakualaman and Mangkunegaran) in response to the increasing Dutch colonial power in the 19th and early 20th century.

This three-year programme offers you a unique chance to gain a specialised qualification in a rich, valuable area of knowledge, plus the freedom to tailor the programme to your own ambitions. And what better place to study than in Leiden, the international centre of Dutch studies?

In this article, Thomas Maguire, assistant professor at the Institute of Governance and Global Affairs, examines the intelligence of the US, British and Ukrainian governments and NATO partners concerning Russia and its war against Ukraine. This article discusses how and why governments communicate intelligence…

James Shires has contributed a chapter to the proceedings of the 13th International Conference on Cyber Conflict (CyCon 2021), which gathers 20 articles from the law, technology and strategy domains.

This dissertation examines the European Union’s response to the growing problem of disinformation. It uses this case to critically analyse how societies interpret and manage information challenges such as ‘fake news’ and propaganda.

Drawing on a broad array of sources, this project examines modern retrievals of Bacon’s idols, thereby testing Justus von Liebig’s intriguing observation, back in 1863, that Bacon’s name lived on mainly in mottos or stereotypical phrases. More importantly, it examines the rhetorical purposes served…

The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).

This study explores the role of linguistic data in the reconstruction of Dolgan (pre)history by analyzing contact-induced changes and using them to infer information about the nature of the contact settings in which they occurred.

Is blended care a feasible and effective treatment method for social anxiety in adolescence?

Jeffrey Kotyk defended his thesis on 7 September 2017

The Historic Port Town of Sandy Point and its Anchorage

An important hormone excreting gland in the human body is the pituitary

In this article, Kohei Suzuki examines how bureaucratic politicization and closedness are associated with the turnover intentions of bureaucrats in 36 countries.

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh