After many years of preparations, CERN has approved a groundbreaking new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. ‘We know there is physics that’s missing and we aim to find it.’

Kiem project: How can metaphors be used to enhance societal engagement with quantum science and technology, and what factors influence their acceptance or resistance among experts and laypeople?

’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.

This book underscores the interplay between religion and politics (local and global) in the production, escalation, management, mitigation, and resolution of conflict.

The Institute of Security and Global Affairs (ISGA) offers courses at both bachelor’s and master’s level. There are also minors, online learning and courses for professionals.

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.

This study focuses on increasing our understanding of the different pathways converts take during conversion to Islam.

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.

On Thursday 23 May, Carlotta Rigotti, postdoctoral researcher at eLaw, gave a guest lecture on the regulation of image-based sexual abuse (IBSA) in the European Union at Kyoto University.

This study investigates how two social and political developments, in the UK and Germany, impacted on the experiences of minorities and the attitudes of majorities vis-à-vis tolerance in those two countries. The results provide a thought-provoking picture of the views of minority and majority groups…

Moscow's Heavy Shadow tells the story of the collapse of the USSR from the perspective of the many millions of Soviet citizens who experienced it as a period of abjection and violence.

Marieke Liem, Professor Social Resilience and Security at Leiden University, and Katharina Krüsselmann, PhD candidate at Leiden University and Manuel Eisner mapped the flow of homicide cases with the help of a systematic review.

Abbas provides an in-depth analysis of the complex interplay between Zionism, Jewish identity, power dynamics, and the Israeli-Palestinian conflict.

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

In this article, Tokdemir & Klein examine the strategic actions of governments against domestic terrorist groups and domestic terrorist groups’ reactions to such actions.

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political 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…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

The book addresses the question “How and why do people become involved in European homegrown jihadism?

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

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.

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

This article investigates how parenthood serves as a critical turning point for young people in Latin America, influencing their criminal trajectories.

A new paper written by Jolien van Breen, Soledad de Lemus, Russell Spears & Toon Kuppens in the British Journal of Social Pscychology examines the impact of the 2008-2012 financial crisis on national identity in Spain.

The Arab women are coming! That was Kim Ghattas’s message on 6 March in the 25th Annie Romein-Verschoor Lecture. It won’t be easy and it could take a long time, but they can do it. The Arab Springs have inspired them, and they’re not letting go of that.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

When you stretch an elastic band, it gets longer. But imagine a material that actually becomes shorter when you pull on it. Sounds strange, doesn’t it? Yet that’s exactly what physicists from Leiden University, AMOLF, and ARCNL have managed to create.

The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

Inaugural lecture

The history of the LGTBI+ collective, deeply marked by episodes of violence, repression, and discrimination, is also the history of the struggle for social change and the conquest of civil rights, advances without which contemporary Western democracies could not be explained. More recently, the implementation…

Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa

Theoretical physicist and cosmologist Alexey Boiarskyi has been appointed full professor per 1 October.

Do you have a question about studying at leiden University or student life in Leiden or in The Hague? Do you want more information about the Crisis and Security Management programme? Chat with a current student for answers to your questions!

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

Do you have a question about studying at leiden University or student life in The Hague? Do you want more information about the Crisis and Security Management programme? Chat with a current student for answers to your questions!

As of April 1, physicist Dorothea Samtleben is the first female program leader of Nikhef, the National Institute for Subatomic Physics. Samtleben will lead the Neutrino Physics group there. ‘This is an important step for Nikhef when it comes to diversity.’

‘Take science communication more seriously.’ This is the message that Ivo van Vulpen, professor by special appointment in Science Communication in Physics, wants to convey during his inaugural lecture. At the moment, a lot of researchers look down their noses at this while it is extremely important…