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…

Jeanine de Roy van Zuijdewijn teaches the masterclass terrorism 2018 together with Edwin Bakker. Read the interview here.

Emma de Vries, PhD researcher at LUCAS, has been awarded with a Fulbright Grant and Prins Bernhard Cultuurfonds Scholarship. From September 2015 onwards, Emma will spend a full academic year in the Unites states, to work at UCLA and Harvard on her PhD research on Neo-Epistolarity.

On 14 February, the second student edition of Mediaforum, journal of media and communication law, was festively launched with a symposium in the Academy Building of Leiden University. During the symposium, the student authors, some of them from our own ranks (Roosmarijn Altink, Roosmarijn Niesing and…

During the New Year’s Reception on 11 January 2022, the Pieter de la Court Medal was awarded to two students of the Faculty of Social and Behavioural Sciences: Orestes Kyrgiakis and Claire van den Helder. They tell us about the causes they fight for and what it means for the University to be better.…

The Europa Institute is once again organising the lecture series 'Europa in de Praktijk' (Europe in Practice). Students are offered the unique opportunity to enter into discussions with prominent guest speakers with years of European experience working in a wide range of sectors. Each year, we invite…

On Saturday 25 February, the Pieter de la Court Building opened its doors for many future students during the Bachelor Open Day. These potential social scientists could get a taste of the study programmes and the atmosphere of our Faculty during the presentation sessions, at the information market and…

Prof. Ton Liefaard has been appointed as member of the Council for the Administration of Criminal Justice and Protection of Juveniles.

Three years ago, Associate Professor Alicia Schrikker published 'De vlinders van Boven-Digoel', in which she chronicled several stories about colonial life in present-day Indonesia. Now there is a translation, by Rianti Manullang, who is also an assistant professor at Universitas Indonesia and doing…

Vanessa de Malmazet has been working as HR policy advisor in FGGA's Faculty Office since March. Promoting employee well-being is high on the Faculty Board's list of priorities for the coming years. In this new role,

Waarom laaien er rellen op in het Verenigd Koninkrijk, aangespoord door de extreemrechtse British Defence League? Jorieke Manenschijn sprak met EenVandaag over hoe de beloftes van Brexit aan de woede hebben bijgedragen.

Starting 1 February 2023, Daniëlla Dam-de Jong has been appointed as professor to the new Chair International Sustainable Development Law at the Grotius Centre for International Legal Studies at Leiden University. Her expertise lies in the field of sustainable development, with an emphasis on natural…

Digitalisering ondermijnt de democratische rechtsstaat en verschuift macht van parlementen naar Silicon Valley, waarschuwt Reijer Passchier, hoogleraar digitalisering en beginselen van de democratische rechtstaat (OU) en docent staatsrecht in Leiden, in een podcast van de Publieke Ruimte.

Congratulations to Sara de Wit and Miriam Waltz, who have just won a Leiden University Global Seed Fund. Their proposed project entails 'Climate Talks' to foster equitable exchange between indigenous knowledge systems and climate science.

The challenge of achieving fast quantification in metabolomics is the presence of severe matrix effects during the MS analysis of complex samples.

Rogier Kegge, Assistant Professor at the Institute of Public Law of Leiden University, was interviewed by Dutch newspaper de Volkskrant in response to the recent recommendations by Johan Remkes on how to approach the nitrogen crisis.

At the conference ‘Law-Making in Multilevel Settings: Federalism, Europe and Beyond’, Ruben de Graaff and Dorine Verheij provided a lecture on the topic of ‘EU Regulations and the Spirit of Codification’.

In Dutch magazine De Psycholoog, Anne-Laura van Harmelen talks about the impact traumatic experiences, especially for those who are growing up.

Indonesian Law and Reality in the Mahakam Delta

A long-term mathematical collaboration between South Africa and Leiden will continue with the appointment of Marcel de Jeu as professor by special appointment at the University of Pretoria. He will be working in the field of Positivity.

Under extreme pressure and in agreement with the Faculty Board, the programme chairs, represented by a core group, have worked over recent weeks on additional recommendations based on the Perspective 2028 plan. On 1 December they presented their Alternative Perspective 2028 to the Faculty Board. The…

Dear friends of the NVIC,

Ben de Jong and Paul Abels, both working for ISGA, discuss the Russian claim that espionage equipment was found in Dutch newspaper Algemeen Dagblad (AD). According to the Russians the equipment was found in one of the cars used by their diplomats in The Hague.

On Thursday 12 January 2017, Ellen Raaijmakers defended her doctoral thesis ‘The Subjectively Experienced Severity of Imprisonment: Determinants and Consequences’. The defence took place at the Academy Building of Leiden University, Rapenburg 73. The PhD research was supervised by Professor P. Nieuwbeerta…

Willemijn de Best’s career path led her to the media sector. Besides the more obvious legal professions, a degree in law actually offers many other possibilities: film and television production with celebrities as clients, for example.

‘To be honest, I don’t really care about what type of research is going on. Just let me do my own thing and everything is fine,’ according to biotechnical officer Davy de Witt. In this interview, he tells about his tasks and experiences at the Institute of Biology Leiden, where he has been employed…

The Editorial Board of the Common Market Law Review is pleased to announce the result of the 2021 Common Market Law Review Prize for an article submitted by a young academic.

Introducing the team's work on Comparison

Tech company Uber uses various tricks via the Netherlands to avoid paying tax on its profits. A $16 billion inter-company loan from Singapore has prompted questions with experts claiming the loan is not under arm’s length terms. MEP Paul Tang wants Brussels to investigate.