At the request of Dutch Parliament, Professor of European Law, Freya Baetens, wrote an expert case study on the EU-Canada Free Trade Agreement (CETA) and the EU-Indonesia Free Trade Agreement (CEPA-Indonesia). This factsheet offers parliamentarians clear, research-based insights into complex policy…

Op de dag van de duurzaamheid van 10 oktober startte de 'Billiecup' pre-pilot op de Faculteit der Rechtsgeleerdheid. Aanwezig waren 'plastic soup surfer' Merijn Tinga, Bart Hemmes van het Leiden University Green Office (LUGO) en Esther Kentin, docent bij instituut Metajuridica & projectleider Leiden…

In haar boek ‘Diensten met geheimen’ vertelt Willemijn Aerdts hoe de AIVD en MIVD te werk gaan. En ontkracht ze ook een paar mythes.

Dit blijkt uit het onderzoek ‘The Class Divide in Urban Indian Youths’ Lives; Their Time-Use and Adaptive Functioning’ van Radhika Bapat.

The final meeting which took place on Wednesday 6 September marked the end of the third cohort of master students’ time participating in the The Hague Southwest Thesis Workshop. During this last meeting, master students presented their research results to residents and stakeholders from The Hague So…

On Thursday 10 January the annual Meijers prizes were awarded for the best published article, of each faculty research programme, written by Assistant Professors or other academic staff members. The winners received a certificate and a sum of money to spend on research.

Willemijn Tuinstra has won the Uitgeverij Verloren/Johan de Witt-award for History 2020 with her Master Thesis 'Conscience & connections. Marcellus Franckheim (1587-1644) and his contacts in the Habsburg World at the eve of the Thirty Years War'.

Rembrandt experts have been puzzling over this painting from 1626 for years. The work may have been commissioned by someone from University circles and may depict a judgment. It can be seen at Gravensteen, a building that served as a prison between 1463 and 1955. This historical building later became…

Detecting and combatting crime is becoming increasingly complex. Security is high on the national and international agenda. The master’s programme Crime and Criminal Justice in Leiden provides the skills to face these challenges.

Investigating epistemic and ethical practices in medical experimentation on humans in the colonial period in Southeast Asia.

The Pieter de la Court Medal is awarded annually by the Faculty of Social and Behavioural Sciences for an initiative by a student or group of students that, over the last academic year, has made a particular contribution to at least one of the Pieter de la Court themes. This year, this medal has been…

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

A 5 million euros grant from the Dutch Research Agenda allows Anouk de Koning and co-applicants Femke Kaulingfreks and Maartje van der Woude to study social interventions in eight Dutch cities in an innovative and interdisciplinary way.

De plannen van het kabinet-Schoof om een langstudeerboete zorgt voor veel ophef. Promovendus Joris van de Riet schreef een opinieartikel erover voor Trouw. Zijn argument is dat een langstudeerboete desastreuze gevolgen kan hebben voor studentenverenigingen.

More and more European governments are slowly but surely taking steps to ease the measures against corona. In Austria cafés and restaurants will reopen on 15 May, while in Italy they are planning to reopen on 1 June. The French will have to wait until the end of May to get some clarity. The pace with…

A recently published article, Productveiligheid en aansprakelijkheid voor AI (Product Safety and Liability for AI), by Gitta Veldt and Tycho de Graaf examines the European Commission’s proposed Artificial Intelligence Regulation.

Water damage, old restorations and copper corrosion in some illustrations. De Materia Medica has been through a lot over the centuries. The manuscript dates from 1083 AD and is one of the oldest illustrated Arabic manuscripts in the world. Due to intensive use, De Materia Medica was no longer in good…

How can humans and computers learn from data? To research this, scientists often use so-called Bayesian methods. Although these methods are widely used, they also have limitations and are not always easy to interpret. In her dissertation Rianne de Heide describes some of these problems and introduces…

The Dutch Minister for Infrastructure and Watermanagement Cora van Nieuwenhuizen has offered the first copy of the book ‘Behind and Beyond the Chicago Convention: The Evolution of Aerial Sovereignty’ to the Secretary-General of the International Civil Aviation Organization (ICAO).

PhD defence

Professor of Radiology Lioe-Fee de Geus-Oei was already a professor at LUMC and the University of Twente. As Medical Delta professor, she has now also been appointed at Delft University of Technology. 'Talking with people from other disciplines always makes me immensely humble, because they look at…

Erik de Maaker and Radhika Gupta received a Seed Grant to initiate research on how heritage has been and can be mobilised to address climate change governance in Himalayan Asia. This project will address a significant knowledge gap on the potentials and pitfalls of climate governance, with an initial…

Ralph Keuning, the former director of Museum de Fundatie, a museum for the visual arts in Zwolle, stepped down in 2022 following complaints about authoritarian leadership. On top of that, an independent investigation has shown that he received almost €200,000 from the struggling museum after his departure.…

Following the murder of two Dutch people - of which Iran is suspected - Trouw investigates how usual these practices are. Paul Abels, Professor of Intelligence Studies and Ben de Jong, Researcher, both working at the Institute of Security and Global Affairs (ISGA), will address the subject.

OP Grants NWO are awarded to 16 scientists in astronomy, computer science and mathematics, or a combination of these disciplines (multidisciplinary) by NOW Exact Sciences. The scientists received a total amount of 6 million euros.

On 19 July 2021, Nathan de Arriba-Sellier published an op-ed in Le Monde regarding the integration of climate change in the new monetary policy strategy of the European Central Bank (ECB).

Eric De Brabandere, Anna Marhold and Nico Schrijver of the Grotius Centre for International Legal Studies have been included as arbitrators and Trade and Sustainable Development experts in the newly established European Commission pool in the framework of EU free trade agreements enforcement.

‘Criminal law is still an inequality machine’, argues Folkert Jensma in his fortnightly column for Dutch newspaper NRC. After attending the conference ‘Ongelijkheid en de Strafrechtpleging’ ('Inequality and the criminal justice system'), he concludes that ‘nothing has changed’ since his time as a st…

Wilke Geurds graduated from the Visual Ethnography master's programme last year with her intimate and vulnerable documentary 'F*ck Endo. More than just menstrual pain.'.

Arie-Willem de Leeuw, Postdoc at LIACS, analysed the running data of the Boston Marathon. In Mare he explains how to optimise your long distance runs.

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

In this thesis, we study systems of electrons in which strong correlations give rise to emergent exotic physics.

Spectroscopic studies on fluorescent single molecules in organic condensed matter does not only provide information about the molecule itself, but also its near environment. By suppression of phonon-induced broadening of spectral lines through cooling to low temperatures, small changes in the spectral…

A key step in the synthesis of oligosaccharides and glycoconjugates is the formation of the glycosidic bond.

In this thesis we study the landscape of gravitational models which modify GR by introducing an additional scalar degree of freedom (d.o.f.) to source Cosmic Acceleration.

How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…

By growing in a soil plants change the biotic and abiotic properties of the soil in which they grow.

Promotor: Prof.dr. M. Danhof

The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…

Stopping people at the border does not result in less refugee migration, but providing relief in the region where migrants come from does. What else would be wise for the next government to do in terms of immigration?

Research collaborative of LUCAS, LUCL and Tabula Rasa (NWO KIEM-Grant)

On 29 October, seven innovative lecturers from different faculties will join the existing ten fellows of the Leiden Teachers' Academy. The current fellows have been engaged for the past year in implementing their innovation projects. How are these progressing?

Leiden University's Centre for Professional Learning (CPL) and the Montesquieu Institute are jointly launching the ‘Academie voor de Rechtsstaat’ (Academy for the Rule of Law). With this initiative, they intend to offer a course providing in-depth knowledge and insight into the basic principles of the…

From 24 March 2021, Professor Luuk van Middelaar will deliver four public lectures on 'Geopolitical Europe: Acts and words' at the Collège de France in Paris, on the invitation of the Chairholder on International Institutional Law, Professor Samantha Besson.

Charisma K. Lepcha (PI, Sikkim University), Pradyut Guha (co-PI, Sikkim University), Rajib Sutradhar (co-PI, Christ University Bangalore) and Erik de Maaker (Leiden University) have been awarded a two-year grant of USD 18.000 to conduct research on the impact of ‘green farming’ on the sensitive mountain…

A new chapter has been added to the ongoing discussion on Islamic schools in the Netherlands. Dutch television programme ‘Nieuwsuur’ and Dutch newspaper NRC conducted research into approximately 50 Islamic educational institutions which do not take part in the conventional Dutch educational system.…

Prof.dr. Eric De Brabandere from the Grotius Centre for International Legal Studies has received a grant from the Municipality of the Hague to create an investment treaty arbitration database.

The new Dutch government must act quickly to take rapid, far-reaching measures in three specific regions to tackle nitrogen emissions. This will create the space for a long-term strategy to deal with other urgent problems and the knot of obligations that the state will need to untangle. These are the…

Here, you can browse the publications of the Navigation Lab Leiden:

Russian literature is awash with disputes, riots and intense political debates. In the new Dutch podcast Schandaal en Controverse in de Russische literatuur, senior lecturer Otto Boele and film maker and journalist Kay Mastenbroek discuss the most talked-about Russian books published in the past two…