A research team from Radboud University and Leiden University, led by senior researchers Prof. Masja van Meeteren (RU/UL), Dr Paul Mutsaers (RU) and Prof. Maartje van der Woude (UL), will examine what national and international research has really found about ethnic profiling by the police.

As of 1 November 2021, Bart Willem Schermer has been appointed as Professor of Privacy and Cybercrime at eLaw – Center for Law and Digital Technologies.

Global Transformations and Governance Challenges (GTGC) will hold its first international conference on 8-10 June 2022 in The Hague. Deadline submissions: 22 April 2022.

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

On the 1 June 2021, Professor Eric De Brabandere and Dr Daniel Peat of the Grotius Centre for International Legal Studies of Leiden Law School launched the Leiden Investment Treaty Arbitration Database.

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, is co-author of the article 'Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions' which has been awarded the 2025 Best Paper Award by Information Fusion.

Despite a lack of specific legislation on this issue, Dutch Minister of Justice and Security Dilan Yeşilgöz is allowing the national police force to experiment with facial recognition technology.

Als nieuwe hoogleraar Ontwikkelingspsychologie pleit Anna van Duijvenvoorde voor meer samenwerking in de wetenschap. Daarom moedigt ze jonge onderzoekers zich aan te melden bij een netwerk. ‘Het biedt je een bredere blik op de wetenschappelijke wereld.’

Dr Amanda Henry has secured a prestigious Vici grant for her groundbreaking research project, Hominin FoodWays: Changing Diet and Food Processing Across Climate Frontiers. This five-year study, set to begin in September, aims to unravel the dietary adaptations of Eurasian hominins between 1.8 and 0.9…

‘The climate crisis is the greatest threat we face,’ says Leiden University environmental scientist Paul Behrens. ‘And yet, there is hope. In the near future, I think we will wonder why we didn’t make these changes earlier.’

On 31 January 2024, Alex Schilin defended his dissertation ‘United in Distinctiveness: The Institutionalisation of Differentiated Integration in Economic and Monetary Union during the Sovereign Debt Crisis.’ What motivated him to research this specific topic, and how did he tackle this project? And…

PhD defence

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…

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

Welcome to the Expertise Centre for Teaching and Learning (ECOLe). Here you will find information on didactics, teacher development, teaching innovation, assessment and the use of teaching tools at humanities. Have a question or need advice? E-mail ecole@hum.leidenuniv.nl.

Exhibition

'Let's make this a twice-yearly tradition!'– a feeling shared by many after the vibrant Research Day. Engagement started early, with participants connecting informally over good coffee before the formal start of the event on 19 November.

Micro- and nanoplastics cause stress to crops such as lettuce and carrots, PhD candidate Laura Julia Zantis found. This can lead to reduced growth and a lower nutritional value. Biodegradable plastics have this effect too, likely because of chemicals they release during degradation.

LUC students research the Geul river’s restoration, combining sediment studies, biodiversity assessments, and policy insights for global environmental challenges

De Starting Grant wordt jaarlijks door de European Research Council (ERC) toegekend. Dit jaar zijn er in Nederland 51 onderzoekers die een Starting Grant ontvangen, waaronder 4 onderzoekers van FSW.

How do you rebuild a field of science after years of war? In June, a remarkable gathering of Ukrainian and Dutch astronomers took place at Leiden’s Old Observatory, aimed at jointly developing a recovery plan for Ukrainian astronomy.

Tech giants such as Google, Apple, and Microsoft are increasingly shaping the digital world we live in. Reijer Passchier cautions: 'Urgent measures are needed to curb this influence.'

A rapid increase in the demand for construction sand is driving shortages and inequality around the world. Researchers from the Institute of Environmental Sciences at Leiden University have mapped the growing need for sand, as well as the bottlenecks and possible solutions. They have published their…

How can we work together to create a safe study and learning environment and offer students the support that they need? The Vision on Student Well-Being outlines the University’s plans to promote student well-being in the coming years.

On Monday 3 November, Hanneke Hulst bid farewell to the Institute of Psychology and gave a heart-warming speech to her colleagues. After two years as scientific director, she is moving to New Zealand to start a new chapter in her life. ‘I wish you all one thing that costs nothing but is worth everything:…

The inaugural Society for the Study of French History First Book Prize has been awarded to Lewis Wade’s monograph 'Privilege, Economy and State in Old Regime France: Marine Insurance, War and the Atlantic Empire under Louis XIV (Boydell Press, 2023)'.

Imagine getting a notification on your mobile phone with your personal code for impending mental health problems or even depression: yellow, orange, or red. Science fiction? Not for scientist Eiko Fried. 'There is a real chance we can prevent some mental health problems before they occur.' Want to participate…

On Friday 10 December 2021, the Center for Law and Digital Technologies (eLaw) of the Leiden Law School, hosted its annual Research Colloquium exploring the theme 'Law Gone Digital'. The event gathered presentations by eLaw PhD candidates and professors on a wide range of topics at the interface of…

Leiden professor of Cellular Immunology of Parasitic Infections Maria Yazdanbakhsh receives the prestigious NWO Spinoza Prize this year. This, in many ways, border-crossing scientist contributes with her research to more effective vaccines against parasitic infections and better medication for inflammatory…

Organisation

On Prinsjesdag, 16 September 2025, the Faculty of Governance and Global Affairs (FGGA) opened the new faculty year with a reception at Wijnhaven. The opening was dedicated to the university’s lustrum theme: ‘Ahead of Time’.

Lectures that focus on dialogue among students can increase their well-being. Lecturers Karin Nijenhuis and Thijs Witty are organising a symposium and teacher professionalisation course on this method of working.

Dr Mamadou Hébié, Associate Professor of International Law at the Grotius Centre for International Legal Studies, served last week as legal counsel in the world’s first advisory proceedings concerning climate change before the International Tribunal for the Law of the Sea (ITLOS), on the one hand, and…

In the academic world interest in interdisciplinary research is growing. It can help to solve the big challenges of our times. But starting a research project that covers several disciplines is not always easy. This was one of the conclusions at a Young Academy Leiden (YAL) symposium. What are the c…

Starting 1 January 2023, Matthias Haentjens has been appointed as Professor of Civil Law at Leiden University. His expertise lies in the field of property law, insolvency law, and private international law.

Oud-studenten gingen op 30 augustus weer de collegezalen in om hun vaste plekje op de banken op te zoeken tijdens Leiden Revisited. Bezoekers konden genieten van inspirerende lezingen, maar ook van een gezellige borrel, buffet, en livemuziek.

Pancras Hogendoorn bade farewell as Dean of Medicine and Vice-Chairman of the LUMC Board of Directors with a symposium at the LUMC.

In a world increasingly shaped by conflict, it becomes ever more important to create space for empathy, understanding, and informed public discourse. That is the intention the Shelter documentary and immersive installation aims to achieve as it arrives at Leiden University.

‘The care of an au pair' is chosen as the best Fieldwork NL report and 'The unruly reality of a new government' as the best master's thesis. Lila van Grieken, Annika Kruger, Benjamín Maldonado Fernández and Holly Zijderveld and Mony Klaus receive the Speckmann Award 2024.

As part of the final project for the Islam in South and Southeast Asia course (taught by Dr Verena Meyer), students were tasked with creating podcasts that delve into significant cultural and historical topics related to the region. Two students, Roma Bhiekhemsing and Shaneeva Bean, have chosen to share…

It is the fifth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Rankings by Subject looks at criteria like academic reputation and citation ratios. Dean Jan Kolen is pleased with this news: 'In recent years, the Faculty…

Are you passionate about peace, justice, and democracy, and keen to get involved in The Hague’s vibrant international community? This is your chance! The Global Transformations and Governance Challenges programme is leading Leiden University's participation in the Just Peace Festival!

Research

For four years, Vicky Beckers examined thin slices of wood under a microscope, mapping the anatomy of two plant families. Her research helps identify different wood species, benefiting both the timber trade and archaeology.

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

At the first Climate Café of 2025, we celebrated the one-year anniversary of The Hague Climate Agreement and reflected together on the successes and opportunities for the future.

Twice a year, Gert Renkema, Head of Financial and Economic Affairs at FGGA, provides us with an update on the faculty’s finances. This time, he sits down with Niels Laurens, Director of Operations, over a cup of coffee and tea to share the results of the past year and the financial outlook.

On 11 January 2026, our esteemed and much-loved former colleague, Prof. Dr Marc Spijker, passed away.

New research has revealed that one of Europe’s largest prehistoric mass graves records the deliberate killing of women and children, showing how gender- and age-selective violence was used to disrupt communities and assert power in the Early Iron Age. Leiden archaeologist Jason Laffoon was involved…