Bacteria are highly complex and diverse organisms that have adapted to survive in ecological niches ranging from the most extreme to the most heterogeneous environments.

In this article, Gerrit Dijkstra and Jos Raadschelders from the Institute of Public Administration, focus on Russia’s role in Bosnia and raise some important questions.

In the last two decades, there have been heated public and scholarly debates in France, the United Kingdom, and the Netherlands on the violent end of empire. Nevertheless, the broader comparative investigations into colonial counterinsurgency tend to leave atrocities such as torture, execution, and…

Electron microscopy has become an extremely important techniquein a wide variety of elds.

This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

Promotor: Prof.dr. M.K. Richardson, Co-Promotor: F. Witte

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

This project compares and explains dynamics of cross-border cooperation among European actors in the field of counterterrorism (CT).

Conference

PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.

Our courses are aimed at higher educated professionals, starters, experienced professionals and managers. You can choose from day-long Masterclasses, multi-day courses and an intensive one-year program. Our English courses about Terrorism, Law, Safety and Security are listed below.

Our courses are aimed at higher educated professionals, starters, experienced professionals and managers. You can choose from day-long Masterclasses, multi-day courses and an intensive one-year program. Our offer exists off on the themes below.

Bouwmeester

Promotor: E. Bouwman Co-Promotor: S. Bonnet

From Incident to Precedent

How can we make the production of chlorine cheaper and more friendly for the environment?

This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…

The development process of any software has become extremely important not just in the IT industry, but in almost every business or domain of research.

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

Research has shown that terrorist attacks in the US are more often committed by right-wing extremists than by islamitic extremists. However, news about attacks by right-wing extremists hardly ever reach the media. Jelle van Buuren tells the Dutch newspaper Trouw that right-wing extremists are at least…

Jelle van Buuren bespreekt de link tussen radicalisering en psychiatrische problematiek.

Franx

Promotores: Prof.dr. F.P. Israel, Prof.dr. P.P. van der Werf

What the Sex Lives of Bugs, Birds, and Beasts Tell Us About Evolution, Biodiversity, and Ourselves, Menno Schilthuizen reports from the front lines of evolutionary biology, on a quest to make sense of the origins, workings and evolution of our and other species’ reproductive selves.

This thesis examines silicon pore optics (SPO), a technology that exploits silicon wafers from the semiconductor industry to create extremely high quality X-ray optics, by studying its manufacturing process, applications, and prospects.

Discover the impact of financial products on inequality and conflict in South Africa through Erik Bähres' book 'Ironies of Solidarity', now available in Brazil as IIronias da solidariedade. Explore the role of insurance companies in serving financially disadvantaged African individuals.

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

Lecture

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.

The Issues beneath the Surface

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

On 1 October 2024, Dr Jiska Engelbert was appointed as professor by special appointment on the Ien Dales Chair ‘Government as an Employment Organisation’. Her focus is on leadership in digital transitions, digital innovations, and the transformation of public services, with particular attention to local…

How do the pathways of Dutch converts to Islam involved in jihadist movements differ from those of Dutch converts who are not, in terms of their life prior to Islam, their conversion experience and the form of involvement with the Islamic community after conversion?

Lecture

This book provides a long-term historical analysis, exploring the roots of the low levels of corruption existing in Chile, going back to the 16th century and examining Chile’s institutional evolution until today.

Political scientist Wouter Veenendaal (Leiden University) provides an in-depth case study of clientelism in Malta, the smallest member state of the European Union. He reveals that not only that patron–client linkages are a ubiquitous feature of political life in Malta, but also that the smallness of…

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In dit onderzoek worden orde isomorfismen en orde antimorfisme bestudeerd in het algemene kader van partieel geordende vector ruimten.

We use laboratory animals to address research questions, but only when there is no alternative and the question cannot be answered in any other way. Read here why we conduct animals experiments.

Why should our team register for the Telders Moot Court Competition?

’25 years of fatal violence’, a collaboration of dr. Marieke Liem and prof.dr.Lenneke Alink about murder and manslaughter in the Netherlands, has received a research grant by the Leiden University Fund.

Jeanine de Roy van Zuijdewijn, PhD candidate at ISGA, explained the dilemma countries face in the aftermath of terror attacks.