The chance that it will do so is about zero, but Russia is legally obliged to investigate violations of law during the war in Ukraine. States that enter into an armed conflict often deny liability, but under international humanitarian law and human rights they are obliged to investigate their military…

Many intelligence services have an outdated view of the world while the threats they should protect us from are becoming more complex. Serviceman and researcher Bram Spoor warns that NATO and member state intelligence organisations cannot always predict the dangers.

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

A fragmented political landscape, permanent pressure from current affairs and an increasingly political civil service: our government faces many challenges. This makes it all the more difficult to make important decisions about pensions or the climate. Research and good education can help meet the challenges…

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

Bernhard Rieger recently joined the Institute for History as our new Professor of European History. He introduces himself.

Our vision on lifelong development

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Professor Sarah de Rijcke became the new Rector Magnificus of Leiden University on 15 January 2026. She introduces herself and shares what motivates her to take on this role.

Six Leiden University members of staff recently received the Erasmus+ International Credit Mobility grant for exchange projects with non-European partner universities. The total award of around 357,000 euros is used for approximately 50 international mobilities.

On 25-26 October 2022, a select group of high-level participants gathered in Leiden to discuss research on Libya’s national reconciliation and access to justice, and to explore implications for policy and law.

The Rutte IV cabinet is more or less complete. It includes more women than ever. For the first time ever, the Netherlands will have two ethnic minority ministers, and ministers without political experience but with plenty of professional expertise will also be making their debut. However, political…

Conference

Conference, BOCA Workshop

Arts and culture

The University of St Andrews and Leiden University, with the support of a network grant from the Royal Society of Edinburgh, will be hosting a workshop series in 2022 about Ocean Governance. Academics, policy makers, and practitioners are invited to contribute via working papers. Deadline abstract:…

What do you need to move your interdisciplinary collaboration forward? The Knowledge Orchard event will help. Assistant Professor Eduard Schmidt, who is giving a session on leadership, gives a sneak preview.

Conference, workshop

As of 1 January, Wouter Kalf has been appointed Education Director at the Institute for Philosophy.

Study information, Workshop

Our annual strategic conference was held this year on 15 and 16 June in Soesterberg, and has now become a tradition at our university.

From the energy transition in Namibia to sustainable jobs for young Nigerians, from African cookbooks to vodcasts on vintage Swahili booklets: during a recent visit by the Executive Board, staff from the African Studies Centre Leiden and the African Library presented their research, teaching and acquisition…

Assistant professor Carmen Van den Bergh has been nominated for the Leiden University Teaching Prize. ‘I combine literature education with social relevance and personal experience.’

On the 6th of December, Buurtlab 070 and the Leiden University Green Office (LUGO) hosted an event at the Spinozahof in the Stationsbuurt, bringing students and local residents together to explore energy (in)justice through the serious game Sunjust.

With a symbolic basketball pass, the construction company handed over the new sports centre to the university on 1 December. The building is ready to be fitted out for use. From 9 February, all are welcome: to do sports or just explore.

Over 100 Leiden University alumni gathered in the heart of Brussels for the annual Leiden Alumni in Brussels Event on 29 February. The European Banking Federation (EBF) generously hosted the event for the second time at their premises on Avenue des Arts.

Professor Maartje van der Woude, Professor of Law & Society at the Van Vollenhoven Institute, has been appointed as one of the three new series editors for the Routledge Studies in Criminal Justice, Borders and Citizenship.

The University believes it is important that you are happy in your work. This is why we gauge your opinion with the personnel monitor. We use the results to make improvements that enhance job satisfaction.

Share your ideas on social safety

There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

Lecture, China Seminar

Technology and privacy, trust and mistrust. A discussion about this broke out when the University installed scanners and students protested. On Wednesday 2 February experts from Leiden University will explore this topic at the eponymous symposium. We called Roy de Kleijn, as a computer scientist and…

The European Space Agency (ESA) has published an interim data release from Gaia, the space telescope mapping out the Milky Way in 3D. The first scientific papers published today reveal half a million stars in the Omega Centauri globular cluster, nearly 400 candidate gravitational lensers and the positions…

On 24 March 2023, the University of Tartu, Estonia hosted a Workshop on ‘'Algorithms, Rule of Law, and the Future of Justice: Implications in the Estonian Justice System’.

Eduard Fosch-Villaronga, Associate Professor at eLaw, presented his work on ‘Aligning rules and actions in digital innovation’ at the conference on Technology and Sustainable Development, This event explored whether technology can be used to fix the very problems caused by technology, encompassing social,…

Geopolitical situations, such as the conflict in Gaza, evoke strong emotions among staff and students. How do we discuss such situations at our faculty? This issue is an ongoing part of safeguarding academic freedom at our university.

2024 was an eventful year for the Faculty of Humanities. Despite becoming the centre of political discussion and budget cuts as faculty ourselves, exceptional research projects were carried out and new initiatives were launched.

As an internship lecturer, you help a student to apply their knowledge and skills in a professional context and to gain work experience. On this page you will find the most important information to fulfil this role properly and according to the Faculty’s agreements.

Sara de Wit has recently joined the Institute for History as an Assistant Professor in African Studies and will work on a new interdisciplinary research project to develop a humanities approach on Digital Health in Africa. Below, she introduces herself.

Are you looking for a free and transparent way to submit your scientific articles for peer review? Then look no further than Peer Community In (PCI). This platform, which is supported by Leiden University, is a good alternative to publication in traditional peer-reviewed journals.

Should we be growing rice and building materials instead of grass for cows? From invasive crayfish to cultural heritage and groundwater levels: ten graduating students explored the future of the Groene Hart, the rural region just outside the cities of Delft, Rotterdam and Leiden where they study.

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Alejandra Roche Recinos, originally from Guatemala, will strengthen the Faculty’s expertise on the archaeology of Central America. ‘I want to explore the lesser known archaeology of Southern Guatemala.’

Be it in climate change, public health or artificial intelligence, when different disciplines join forces, science often flourishes. The new small-scale Kiem grants will enable Leiden researchers to explore or start collaborative projects with colleagues from other faculties. ‘So seek each other out…

Conference, Workshop

The Greek diasporic queer poet Constantine P. Cavafy (1863-1933) has been recognized as a central figure in world literature and literary modernism. On December 9th, a symposium around his work will take place at Leiden University Libraries. This will be combined with the launch of Maria Boletsi's book…