The place of European states and institutions in world politics is the core focus of this pillar. Research on this theme concerns European actors’ ability to promote peace, security and justice in their neighbourhood and to shape the future of global governance by translating its economic size into…

Ending the United Kingdom’s (UK) forty-seven year European Union (EU) membership has fundamentally transformed its relationship with the EU. After years of tumultuous negotiations, international law now once again governs the UK’s relationship with the EU. This has resulted in a sophisticated body of…

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

The toe bone of a prehistoric deer carved with lines by Neanderthals 51,000 years ago is one of the oldest works of art ever found, according to a study released Monday. Leiden archaeologist Dr Andrew Sorensen, not involved in the study, reacts on the find in a news article by NBC News.

Researchers at LIACS have found a vulnerability in open-source code that’s been used around the world for over 15 years. They’ve also developed an AI-based tool to fix the problem automatically. ‘You really can’t afford to lean back.’

From January to March 2020 Ymre Schuurmans, full professor in Constitutional and Administrative Law at Leiden University, will be a visiting professor at the University of Cape Town (UCT).

Listening and Looking with dr. Janneke Wesseling and dr. Marcel Cobussen

Long into the 19th century, seascapes were considered an expression of patriotism. Artists who painted in a 17th century style were valued more. This tradition stifled innovation in the genre, Cécile Bosman has concluded. She will defend her PhD thesis on 13 October.

EU migrants receive less frequent and lower benefits and allowances than Dutch citizens. This is according to research by Leiden economists Olaf van Vliet and Eduard Suari Andreu published as part of the Social Citizenship & Migration research programme. The research is discussed in Dutch newspaper…

Firearms and violence in Europe–A systematic review by Katharina Krüsselmann, Pauline Aarten, Marieke Liem

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.

In a one-hour interview on Dutch radio programme Sleutelstad, Anne-Laura van Harmelen talks about her research into the role friendships in adolescents' well-being, the resilience paradox and the role of social, hormonal and genetic factors in stress-levels and resilience.

On Thursday 17 November 2016 a delegation from the Ministry of Justice, the Ministry of Social affairs and UNICEF Tunisia paid a visit to Leiden Law School, organised by the International Juvenile Justice Observatory.

Study information, Student for a Day

Study information, Student for a Day

The Rt. Hon. the Lord Mance, Judge at the Supreme Court of the United Kingdom delivered the Europa Lecture on 29th September 2016 in the Grand Auditorium of the Academy Building at Leiden University. The lecture was entitled: “Jurisdiction, judgments and proper law relating to states outside the Brussels…

Richard Chancellor, the English Willem Barentsz, discovered the North Cape during the first English expedition to attempt to find a northeast passage. But the ship, the Edward Bonaventure, was ‘robbed by Flemings on its return in 1554.’ Historian Louis Sicking and legal expert Remco van Rhee found the…

Drug use during pregnancy seems like a choice without any consequences. However, the Dutch Public Prosecution Service (OM) has decided to prosecute a mother for using alcohol and drugs during her pregnancy. Mariëlle Bruning, Professor of Child Law, tells current affairs programme ‘Nieuwsuur’ that she…

The New York Times quotes university lecturer Fenneke Sysling in an article about the return of the ‘Java Man’ Bones.

Doctoral Grant for lecturer to research witness protection at the international courts.

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. The announcement went down well with students: the available…

Over the last decades, income inequality has increased globally. How do social policies affect this increasing trend? How do international trade and technological progress affect inequality? What is the profile of income inequality in China?

Up to 50% of all children and adolescents growing up worldwide are exposed to at least one form of childhood adversity (CA), which is one of the strongest predictors for later-life psychopathology.

Social assistance and minimum income benefits are important instruments as a safeguard against low income and poverty. There have been major developments in minimum income benefits both in developed and developing countries over the last decades. Our study collects several empirical studies regarding…

What is the origin of educational ideas, e.g., the idea that intervention in infancy has long-lasting effects on development.

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.

This project addresses the occurrence of political and ideological biased crimes in light of the recent migration influx in European countries.

This research sets out to answer the following questions:

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.

In this project, we seek to assess, map and understand the risk factors associated with fatal domestic violence.

With the recent rise and fall of IS, academics and policy makers around the world are expressing concerns about the fate of children of former foreign fighters. Will they follow in their parents’ footsteps? In this paper, Layla van Wieringen, Daan Weggemans and Marieke Liem argue that in light of this…

Homicide followed by the suicide of the perpetrator often leads to shock and incomprehension. It has been suggested that media reporting on such cases could lead to an imitation effect.

During the event 'Fout?' by De Jonge Akademie, Ellen de Bruijn held a lecture about the social context of making mistakes and the psychological elements of learning from it.

Quite a lot went wrong during the virtual hearings that courts held during the coronavirus crisis. Researchers from three universities, including Leiden University, concluded that citizens did not always feel heard and that their legal position was compromised.

A clear majority in the UN confirmed that states are obliged to combat climate change. 141 countries voted in favour, 8 against, including the US, Russia and Saudi Arabia. Associate Professor Jason Rudall explains the implications.

Lecture, Studium Generale