We use DNA strands to stabilize few-atom silver clusters, which show unique optical and chemical properties. This thesis involves the study of these constructs for various applications.

Behavioral Sciences Mental Health Psychological Disorders - Adult Aggression in Adults Psychological Science Social Psychology Criminology & Delinquency Social Sciences Criminology and Criminal Justice Crime and Crime Prevention Criminal Behaviour and Forensic Psychology Violent Crime Law Criminology…

A dense region of a gaseous and dusty cloud collapses to form a protostar surrounded by a disk and an envelope. This thesis uses both observations and models to study physical and chemical conditions of these protostellar systems which are likely where planets start to form.

Eliminate violence against women. That is the message of the Orange the World campaign. Leiden University is joining in this year, hence the ‘oranged’ Academy Building and Oude UB.

Refugees’ effect on domestic terrorism is conditioned by host-country social perception (attitude about living next-door to foreigners) and economic competition. These hypotheses are tested cross-nationally from 1995-2014 leveraging data from the World Values Survey.

PhD defence

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

Quantifying physical activity (using accelerometers) and combining the frequency and intensity of activities with health data (brain MRI, traditional clinical parameters and metabolomics) is of utmost importance to monitor mobility and health among older individuals and study health promotion during…

Leiden University organizes a course on quantum mechanics for high school Physics teachers. As the curriculum gains a new quantum component, the university enables teachers to give the best possible guidance to their students.

The Hague Journal of Diplomacy is hosted by the Institute of Security and Global Affairs at Leiden University. Besides the journal, there are many other activities related to diplomacy.

Mashaghi lab conducts research at the interface of physics, engineering and biomedicine. We develop and use theoretical and experimental approaches to address basic and applied research problems.

In this publication, May Tamimova and Tahir Abbas researched the existing literature about violence and hatred against places of worship.

The European Homicide Monitor (EHM) offers a standardized framework for countries and regions to compare homicide characteristics, patterns and trends.

The starting point of Hermans' research is how both children's physical play and dance improvisation by professionals can be considered somatic practices where sense-making manifests itself in and between bodies, and through movement.

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

The Dutch Research School for Theoretical Physics (DRSTP) has received excellent ratings from an independent international committee. The DRSTP is a school for PhD training which has grown out of a collaboration between the theoretical physics departments at six Dutch universities—including Leiden—and…

Parental divorce or separation is for many children an adverse experience in itself. Particularly the transitional period just before and after the separation between parents, during which parents and children have to adapt to the disruptions in family life is stressful. Previous studies showed that…

‘Violence as a Population Health Problem’ is one of 33 interdisciplinary projects that have been launched thanks to a Kiem grant. The project team will analyse a large patient database to identify links between violence and other health problems. ‘Violence can also be an expression of other factors,’…

Terrorist groups adapt to environmental changes to maintain power. This project provides new insights by developing a theory of strategic target selection and using big data analytics and machine learning to test these hypotheses.

Violence such as assault or head-butting causes pain, shock and distress. It is often seen as savage or senseless. But for those who commit it, violence has meaning, argues violence researcher Don Weenink in his inaugural lecture.

This paper presents the prevalence and characteristics of firearm homicides in Denmark, Finland, the Netherlands, Sweden and Switzerland

Assistant Professor Vedran Dunjko and his team received a gift from Google to support their quantum research. The research focuses on whether quantum computers can provide new ways of understanding the mysteries of high-energy physics.

On Tuesday 23 May 2017, Jasmina Mackic will defend her doctoral thesis ‘Proving discriminatory violence at the European Court of Human Rights’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisor of the research is Vice Dean and Professor of…

What influence did the internal debates on the use of violence within left-wing activist movements, and the government’s response to this (political) violence, have on the development, level, and continuity of the violence originating from these movements in the period 1965–2015?

To what extent is it possible to utilise traditional and new media data to examine and understand the nature and scope of homicide in Indonesia?

Jeanine de Roy van Zuijdewijn, Chelsea Daymon and David Malet, wrote RESOLVE Network Research Report that examines career foreign fighters who have traversed from one insurgency to another.

The English taught interdisciplinary minor Violence Studies looks into various facets of interpersonal violence. Is this minor for all Leiden students? These two 'colleagues' are certain of it.

Terrorism only poses a small risk to people but tends to be a major source of public fear. Through fear, terrorism has far-reaching implications for public governance.

Although domestic violence often affects multiple family members, parents and children are usually treated separately for their traumatic experiences. In collaboration with women's shelter Rosa Manus, forensic partner the Waag, the municipality of Leiden and their colleagues from LUBEC (Leiden University…

Why do certain incidents of serious violence end lethally whereas others do not? What role do personal characteristics of offenders and victims play and how do immediate situational factors influence outcomes?

New research has confirmed that the Dutch military used systematic, extreme violence against Indonesians. In his book Soldaat in Indonesië (Soldier in Indonesia), to be released at the end of October, historian Gert Oostindie draws the same conclusions using different sources. He presents new findings…

On Wednesday November 28th, the Physics education program organized its second Bachelor Project fair.

Mariëlle Bruning, Professor of Child Law, is elected Member of the Expert Group on Responses to violence against children (CAHENF-VAC), which is established to assist the Ad hoc Committee for the Rights of the Child (CAHENF) of the Council of Europe.

On Wednesday December 13, the Physics institute hosts its first Bachelor Project fair. Principal Investigators of many research groups at LION give poster presentations on the opportunities they have in store for students who will soon start their Bachelor project.

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

This paper critically compares seven widely used risk assessment tools for violent extremism, including the VERA-2R, the ERG 22+, the SQAT, the IR46, the RRAP, the Radar, and the VAF.

From July 22nd to August 1st, the Leiden Institute of Physics organizes its annual summer school, titled ‘Modern Physics at all Scales’.