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.

Leiden University signed the Amnesty International ‘Let’s talk about YES’ manifesto on 10 March, confirming the university’s commitment to preventing sexual violence. Steps will also be taken to make sure that everyone within the university feels responsible for a culture in which sex is based on equality…

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…

From street harassment to coercive control: gender-based violence has many faces. University Lecturer Mischa Dekker has studied street harassment in the Netherlands and France, and supports institutions and organisations in embedding structural change.

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?

The Netherlands Public Prosecution Service has demanded that Gideon van Meijeren, Dutch Member of Parliament in the Forum for Democracy (FvD) party, be handed 200 hours of community service for inciting violence. Marloes van Noorloos, Associate Professor of Criminal Law, discusses when a comment turns…

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

The faculty’s scientific research is organised around a number of centres and institutes in The Hague, city of peace, security and justice.

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…

The European Commission awarded the project proposal INSIGHT, a follow-up project on illegal firearms trafficking and gun violence from Professor Social Resilience and Security Marieke Liem and PhD-researcher Katharina Krüsselmann of the Institute of Security and Global Affairs (ISGA).

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.

A significant percentage of children who have spent a period in youth care institutions or foster homes since 1945 received inadequate protection from physical, psychological and sexual violence. Interventions by supervisory authorities in cases involving violence were inadequate.

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…

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.

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’.

On Tuesday September 11th, the Leiden Institute of Physics (LION) organizes the third edition of its annual Science Day. Scientists from disciplines all across the physics spectrum will elaborate on their research during seventeen interactive talks. LION organizes the event to showcase the full range…

The winning picture by Sander Blok in the annual Physics Image Award has made it to Leidsch Dagblad. The runner-up image by Jelmer Wagenaar has been selected as Beeld van de Week in De Volkskrant.

New: Een Podcast over Natuurkunde, a podcast about Leiden physics. In the first episode, Dirk van Delft tells about the Hendrik Antoon Lorentz biography that he wrote with Frits Berends.

Finally, it's high time for the yearly LION Image award. Send us your most impressive, beautiful or insightful physics image, and win eternal fame on top of 100 euros, and a year long exhibition on the LION picture wall.

The Leiden physics institute LION has bought a painting by the American physicist Gregory Horndeski, who wrote a brilliant article about gravity in 1974. After being ignored for 35 years, Horndeski's paper became a huge hit among cosmologists, unbeknownst to Horndeski himself, who had made a career…

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

Make more fluid: In condensed matter systems, electrons can acquire unusual properties from their interaction with the atomic lattice.

Swarms of drones, pedestrians or the cells in your body. Those are all examples of active matter: materials whose building blocks can move autonomously. That’s what Luca Giomi studies. Giomi has been appointed Professor of theoretical physics in the area of soft matter and biological physics at the…

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

On Wednesday 25 January, the British Embassy, the Global Transformations and Governance Challenges (GTGC) programme at Leiden University and Women in International Security Netherlands (WIIS-NL) were hosting a round table with Professor Bina D’Costa to discuss the prevention of conflict related sexual…

Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.

Comparing terrorist attacks with falling off a step ladder is absurd, writes Jeanine de Roy van Zuijdewijn in NRC Handelsblad on 27 September 2017.

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?

Dutch troops, judges and politicians collectively condoned and concealed the systematic use of extreme violence during the Indonesian War of Independence. Historians have now shown how this could happen. ‘It was scandal management rather than prevention,’ says Leiden historian and research leader Gert…

On the evening of Tuesday January 31st, the physics institute organizes its triannual meeting for over seventy high school teachers. The program consists of lectures on developments in modern physics and the latest initiatives in the world of education.

For the International Day of Women and Girls in Science, women students and researchers from physics talk about what inspires them about their work. From quantum to cosmology and biophysics, their curiosity about how nature works is what connects these women. What do these 5 scientists want to share…

Mexico is currently facing an unprecedented social and political crisis, with expanding criminal and political violence, rampant impunity and crumbling political institutions. Next to the daily report of anonymous victims of violence, last summer in Central Mexico at least 15 citizens were executed…

On Wednesday 7 June, the EPFR research program had its annual research day (toogdag). The venue we had for this year was the Gravensteen, a beautiful historic building right by Pieterskerk.

On 24 April 2024, Carlotta Rigotti and Gianclaudio presented their new report on sexual violence and harassment in the metaverse during a webinar co-organised by AUDRi, Equality Now, and VULNERA.

Research into 25 years of lethal violence in the Netherlands and into language socialisation of deaf families in Africa will receive grants from the Leiden University Fund (LUF).

Experimental physicist Tjerk Oosterkamp and theoretician Hans van Leeuwen conduct research on the exact mechanism behind ice skating. De Volkskrant published a news item about it during the opening weekend of the Olympics.