This article presents an evidence-based investigation of spontaneous hospitalization and distribution of patients after the Manchester terrorist attack.

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

The war in Ukraine is leading not only to human suffering. Ukraine's cultural heritage is also experiencing the consequences of the war: museums are being bombed and 'Russification' in the occupied territories means children no longer learn Ukrainian. Researcher Evelien Campfens was commissioned by…

Something new at our faculty: you can now vote with your cigarette butts! Have you spotted the special bins yet? Send us suggestions for challenging, non-scientific propositions and who knows, your burning question might appear on a new voting bin!

Lecture

LUCIS promotes high-quality research on Islam and Muslim societies and actively communicates the insights and findings of that research to the larger public.

Could policies aimed at preventing radicalisation undermine the very trust and social cohesion they aim to strengthen?

Our main goal is to improve understanding of how intelligence and security services operate, how they are embedded in broader political, bureaucratic, and societal contexts, and how their methodologies can be complemented.

Two Leiden physicists took part in the Lindau conference in Germany from 26 June to 1 July. They met Nobel prize winners from their field.

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…

Leiden and The Hague are home to many museums with large numbers of artefacts and archives. Leiden University also and the Leiden University Library also house special collections. Museums, Collections & Society stimulates research and education and raises ethical questions regarding the collections’…

'When taking into account all finds in the Islamic world of this enigmatic vessel, it would perhaps be wise not to restrict this container to merely one function.'

Sandy Overgaauw has been awarded a 25,000 euro grant from the LUF for her research into PTSD in Syrian refugee children in the Netherlands. The research should lead to a screening method that can be used to determine which children are at higher risk of developing posttraumatic stress disorder (PTSD…

On 23 September, the Leiden alderman for the Management of Public Space was presented with a Ginkgo Biloba in the Blekerspark. This special 'Peace Tree' was grown from a seed from a tree that survived the atomic bomb that devastated Hiroshima. The Peace Tree is being temporarily housed in Leiden's Hortus…

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Fascinating images, articles of clothing and other unique objects from the past four centuries of the history of Leiden University can now be seen in the ‘Celebrating Curiosity’ exhibition in the hall of Rapenburg 70.

PhD candidate Wouter Verschoof-van der Vaart has received the Stichting Elise Mathilde Fonds grant from the Leids Universiteits Fonds (LUF) to work on a research project focusing on the landscapes of the Second World War. ‘We will combine citizen science with deep learning to uncover traces of the c…

The mission in Uruzgan Province in Afghanistan was a formative experience for Dutch soldiers in which many lessons were learned. But most of those lessons have already been forgotten.

It has been a coming and going of satellites and spaceships near the moon. It has not been this busy in years. There are currently more than ten moon missions in progress and another five are being scheduled for next year.

De vraag is hoe groot de dreiging van het rechts-extremisme is in Nederland? Nikki Sterkenburg spreekt hierover in Trouw en RTL Nieuws.

On Wednesday 23 September, the European Commission presented its new migration pact, where EU countries will have to improve cooperation in receiving and allocating migrants. Does this mean the end of refugee camps?

Dr Suliman Ibrahim of the Van Vollenhoven Institute (VVI) will conduct research on problems concerning real property in Libya. The project is commissioned by the Netherlands Ministry of Foreign Affairs.

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

Last Thursday, the last ILS Lunch Seminar of this academic year took place. In this successful and well-visited edition, Prof. Pablo Mendes de Leon and Albert van Marwijk Kooy gave two very interesting and engaging presentations.

This year Elke Devroe and Moniek Akerboom organized a ‘Research Design Conference’ for students in the course ‘Research Design’ of the Master’s Crisis and Security Management (CSM). Each group competed in obtaining a (fictive) grant. Students learned to defend their proposal and make it attractive and…

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

On Tuesday 20 March, Constant Hijzen, Assistant Professor of Intelligence Studies at the Institute of Security and Global Affairs (ISGA), gave a lecture in the Diplomacy and Global Affairs Research Seminar series of Diplomacy and Global Affairs Research, titled ‘Of ticking bombs: Western services against…

Women behind the front play an important role in a large proportion of Iranian novels, written on the Iran and Iraq-war (1980-1988). But their martyrdom is an uncommon theme. Saeedeh Shahnahpur will give a lecture on this subject on 16 February.

The relationship between Iran and Saudi Arabia is worse than ever. According to Iran specialist Maaike Warnaar, it will be difficult to achieve peace in the region if there is no rapprochement between the two countries.

The Geneva Conventions and customary international humanitarian law clearly prohibit any attacks on medical units and establishments during armed conflicts. Unfortunately, despite this clear prohibition, medical personnel and medical facilities continue to be the subject of attacks. Doctors now risk…

Horizon Magazine published about urban food systems.

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

In 2017, in an ordinary field, two brothers from Brabant discovered more than 100 ancient coins. The Leiden historian who examined the coins concluded that they constituted a genuine Roman treasure. Here follows a reconstruction in three acts.

In the civil war in Syria, the country's cultural heritage is also under threat. There have been further acts of vandalism in Palmyra and many of the city's museums have been looted. Leiden archaeologist Olivier Nieuwenhuijse's Focus Raqqa project aims to make a digital inventory of the plundered archaeology…

The life of a researcher is not easy, as many a scientist will confirm; but doing fieldwork in an environment of conflict and violence is extremely compex, attests the account of Dr Roland Ziébé, veterinarian in Cameroon and researcher at both the Leiden Institute of Environmental Sciences (CML) and…

‘I was very happy and honoured that my thesis was recognised as a valuable contribution to the topic of landscape archaeology.’

The 4G network will soon be replaced by 5G. 5G will enable users to set up faster and more reliable data links as well as better privacy protections. For intelligence agencies, however, the upgrade in data protections will create huge problems.

The war in Ukraine has lasted almost two weeks now. What does Putin expect to achieve with his invasion and how big is the chance that the West will get involved? We phoned André Gerrits, professor and expert on Russia.

On 7 June, the National Museum of Antiquities opened a mini exhibition 'Scanning for Syria'. The exhibition shows how Leiden archaeologists and Delft technical specialists make reconstructions of 3000-year-old Assyrian clay tablets. The originals, stored in museum depots in Raqqa (Syria), have been…

The AI chatbot ChatGPT has a clear left-liberal bias when filling in the Stemwijzer voting advice application. This was discovered by master's student Merel van den Broek during an assignment for the Machine Learning for Natural Language Processing course.

Milou Deelen (24) rapidly rose to prominence as the Dutch advocate of frank talk about women’s sexuality. It has cost her dear, but she has received so much assent, praise and support that she won’t be giving up anytime soon. In the Annie Romein Verschoor Lecture on 5 March, Leiden University’s celebration…

This page features an overview of relevant lectures, publications and conference papers.

Every summer, Leiden University is the setting of dozens of summer schools in which professionals and students can receive extra training on a specific topic within a short space of time. We took a look at a summer programme on extremism. ‘A recruiter for al-Qaeda said that I could change the world.…

Alumnus Stan van Haasteren went to Northern Ireland in 1995 as a freelance journalist with a guitar strapped to his back and recently wrote a book about his experiences in Belfast. ‘The big difference with then is that today there is no more violence. But it's still a divided city.’

For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

On Wednesday 9 March, a Faculty meeting about the war in Ukraine was held for staff and students in the Lorentz Lecture Hall. By the time the meeting started at 17.00 hrs, the 220 available seats in the lecture hall had been filled mainly by large numbers of students.

Alumnus Anoma van der Veere did Japanese studies and talks in this interview about his studies in Leiden and his work as a researcher at the Leiden Asia Centre and as Japanese correspondent in Tokyo.

What started as a call for help in a Facebook group turned into a permanent group of students from the Bachelor's in Russian Studies and the Master's in Russian and Eurasian Studies who regularly help the Ukrainian refugees. They act as the link between the refugees and aid workers at various reception…

Jan de Vetten brengt zijn promotieonderzoek ook uit in boekvorm. ‘In de ban van goed en fout’ beschrijft voor het eerst - op basis van archiefonderzoek en interviews - op samenhangende wijze de bestrijding van de CP en CD, en ook de reactie daarop van die partijen. Waarom werden ze zo fel werden bestreden?…