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Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

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?

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

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

Research goal: To support the design of technologies (counter-measures and communication measures) for the prevention, interdiction and mitigation of lone actor extremist events (LOEEs), which are hard to anticipate, yet can be highly damaging to local and national communities and therefore must be…

What are the principles of genome folding and dynamics in bacteria?

In this article, Lydie Cabane, Assistant Professor at the Institute of Security and Global Affairs, and Martin Lodge address the question of how to manage banking crises, a question that has gained prominence since the banking crisis of 2007-2009. This article sets out the rationale for regulating for…

Blended and hybrid teaching are presented as crucial in promoting teaching innovation, as well as more flexible study approaches allowing students to develop their own tailor-made study programmes. While the strategy document focuses on the positive aspects of digital teaching tools, no systematic study…

Where did the new generation of antislavery activists get their inspiration to organize in large-scale pressure groups?

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

While acknowledging prominent legal-philosophical debates, this project proposes a radically different approach to provide insights into the concept of the rule of law.

Case-studies on use-wear analysis of prehistoric flint tools

What made the early Islamic empire so successful and have we missed the story by neglecting crucial evidence? The 7th-century Arab conquests changed the socio-political configurations in the Mediterranean and Eurasia forever. Yet we do not really know how the Arabs managed to gain dominance of this…

Research how ‘custom’, ‘traditions’ and ‘heritages’ take on new meanings in the uplands of South and (mainland) Southeast Asia.

Why does the past elicit this intense activity in the present? What does the past mean for the present, and what does it do to it? A WAR OF WORDS will engage this complex of Chinese claims to Manchu-Korean ancient history, South Korean reactions, public discourse and cultural expression in both states,…

Andrei Poama, Assistant Professor at Leiden University, published a piece in the journal of Political Philosophy about social injustice, disadvantaged offenders and the state's authority to punish.

Your brain responds in a predictable way when it encounters new or difficult tasks. This unique book teaches you concrete techniques rooted in cognitive science that will improve the way you learn and think about code.

Artistic research has come of age, and with it the Orpheus Institute. Founded twenty years ago, the Institute’s purpose from the start has been to pursue research through the practice of musicians.

This project focuses on urban commercial space in Roman Italy and deals with the impact of economic growth on urban communities in the late Republic and the Imperial period (200 BCE – 300 CE).

The aims of the project are to: further clarify 'inhibition by safety'; explore and describe all possible sagety factors, with a special focus on the primary human safety source: social connectedness; reviewing prolonged stress responses without stressors.

Corporate R&D organizations and their relation to academic laboratories.

In the Catalysis and Surface Chemistry group, we investigate how catalysis works on the molecular level. The group is divided in six subgroups, focusing on different aspects of heterogeneous catalysis, homogeneous catalysis and electrocatalysis.

This paper explores whether multilateral surveillance and policy coordination under the ES was based on a path-changing or a path-dependent mechanism

The precise psychobiological mechanisms leading to chronic physiological stress responses have not been sufficiently explained, although stress is a major risk factor for disease and early death. A problem for conventional stress theory is that most of these responses seem to occur in situations without…

New book on Dutch mayors governing local order and public safety.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The programmes offered by the Faculty of Governance and Global Affairs in The Hague are closely linked to the defining image of The Hague as a city of international justice, peace and security as well as the centre of Dutch public administration and international governance.

This project will establish how and why Dutch entrepreneurs participated in exploiting the English, French and Iberian empires.

Do you want to pursue a master's degree at a world-class Dutch university? Then you choose a master's programme at Leiden University with top-quality education, the best lecturers, leading researchers and excellent career prospects. A study that suits who you are, at a university where you can really…

Get to know us through our online and in-person events for prospective students!

When you apply for admission, you'll be asked to submit several documents.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

On Friday October 30th 2015 the sixth annual Jan Reedijk Symposium will be held. The main lectures of the day will be

Do children growing up in a jihadist or right-wing extremist household develop the same extremist views as their parents?

The fall of the IS caliphate is coming closer. At the same time, the AIVD warned for an increase in the return of especially the hardened warriors. How should Europe handle this? The shrinking of freedoms will only feed terrorist organizations like IS.

This dissertation together with the artworks documented in it is the result of an investigation across multiple media over a seven-year period of the cultural, artistic and spiritual legacy of the late nineteenth- and early twentieth-century Lebensreform (Life Reform) movement.

At our regular panel discussions we bring together scholars and other experts to discuss a current topic that captures the interest of the general public as well as academics.

Aesthetic formations and cultural repertoires give meaning to our reality in ways that are never neutral. Focusing on the Middle East and North Africa (MENA) and its global interlocutors, this project brings together a team of scholars from Leiden University who bring in inter-disciplinary, inter-area…

How did “free agents” (entrepreneurs operating outside of the myriad of interests of the centralized, state-sponsored monopolies) in Western Europe and the Ottoman Empire react to the creation of colonial monopolies (royal monopolies and chartered companies) by the central states in the Early Modern…

With the emergence of new methods and technologies such as improved DNA analysis and big data, archaeological research has changed radically in recent decades. The researchers from the Department of Archaeological Sciences at the Faculty of Archaeology use new scientific knowledge to answer fundamental…

How do you make a technology sustainable that does not even exist yet? Well, by bringing together an interdisciplinary team of pioneering European experts right at the start and paying attention to sustainability right from the development phase.