Over 30 ambassadors strengthened their ties with researchers and university leaders in a recent visit to Leiden University. Cross-border collaboration (both literal and figurative) was the theme of presentations and a tour of the Hortus botanicus.

National Meat Free Week (Nationale Week Zonder Vlees, 7–13 March) is an initiative to reduce meat consumption. Assistant professor Paul Behrens is studying what impact a change in our food consumption would have on the world. What, according to him, are the main reasons to switch to a (mainly) plant-based…

A delegation from Leiden University, headed by the Rector Magnificus Professor Paul van der Heijden, is currently in Xiamen, in South-East China, to conclude two agreements on intensive research and teaching collaboration with academic institutions there, and to open the first MEARC representative office…

On Thursday 26 January 2017 Anouk Bosma will defend her doctoral thesis ‘Targeting recidivism: An evaluation study into the functioning and effectiveness of a prison-based treatment program’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. Supervisor…

Researchers have discovered the most distant Milky-Way-like galaxy yet observed. Dubbed REBELS-25, this disc galaxy seems as orderly as present-day galaxies, but we see it as it was when the Universe was only 700 million years old. This is surprising since, according to our current understanding of…

He started his career as a part-time PhD candidate and a reading volunteer at his children's school. Now, as a professor, he looks back on forty years of research and education: Peter Klinkhamer of the Institute of Biology Leiden, ecologist in heart and soul.

It's the middle of summer and the lecture halls are full. Students from all parts of the world have come to Leiden and The Hague for a summer school, on subjects varying from linguistics to international criminal law and from physics to biopharmaceutical sciences. Lecturers and students talk about what…

Indonesia still has a long way to go before the country can truly flourish, was the message given by Indonesian Vice President Boediono during his visit to Leiden University on 26 March. He viewed collections in the University Library and the Hortus, and was presented with the William of Orange medal…

Gerard Soeteman (1936) created a furore as a screenwriter of films that became classics (Dutch films: Turks Fruit, Soldaat van Oranje, de Aanslag), but personally he is much more attached to his critical documentaries for television. He studied Dutch in Leiden. How did that help him?

Robbert Striekwold started his PhD project at LUCAS and Naturalis Biodiversity Center in March 2016. His PhD project is part of ‘A New History of Fishes; a long-term approach to fishes in science and culture, 1550-1880’, a project directed by Paul Smith.

SRON Netherlands Institute for Space Research is moving. In 2021, the Utrecht branch will settle in South Holland. Assistant professor at TU Delft, Akira Endo leads a project that builds a state-of-the-art instrument for astronomical research. ‘SRON is the key to go from proof-of-concept to a science-grade…

Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

It’s Saturday and electric minibuses ride back and forth bringing prospective students to Leiden University’s various faculties. They want to see for themselves whether that interesting-looking programme will suit them.

It is one of the most famous moments in Dutch TV history: the twenty-three hour long marathon broadcast of Open het Dorp. But what happened to the commune for people with disabilities after that? Monika Baár and Paul van Trigt received a NWO grant of 750,000 euros to map the development of Het Dorp.

As early as 2030, batteries in electric vehicles could fully meet the need for short-term electricity storage around the world. By connecting them to the power grid they can provide their stored energy, improving energy security and enabling renewable technologies in cleaning the grid.

Festival

We produce more data than ever before, and researchers gather more and more information. That data contains a wealth of insights and new possibilities. But how do you extract them? In Leiden, statistics and information science come together in innovative multidisciplinary research. Read more in the…

'In Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

Wessel Kraaij has been appointed Professor of Applied Data Analytics with effect from 1 March 2016. Kraaij will use new methods to analyse big data sets. He intends to use data from various data-intensive research fields to test these methods in practice.

Children are perfect scientists: they are bursting with curiosity, they want to know how the world works and they go exploring every day. Yet many children barely get a chance to be engaged in science. A number of scientists from the Young Academy want to change that. They have received 150,000 euros…

If you do research on Leidens Ontzet in Leiden, you can count on a lot of interest. But Leiden Kennisstad interns Marieke Nolten and Alexander Nuijten had not expected there would be quite so much interest. They concluded a year of research with the presentation of a scientific paper.

Festival

Watching and analysing hundreds of TEDx talks, that too can be research. That becomes clear from the work of PhD student Aletta Meinsma, who is studying potential problems in popular communication about quantum technologies. She explains how she approaches this and why it is so important.

Debate

Graduation Ceremony

For many people spring is associated with the awakening of nature. The trees begin to paint the backdrop green again, welcoming the beginning of a new season with the chorus of frogs and bees, and the scent of flowers in the air. For Jaqueline Henrot, researcher at Naturalis Biodiversity Center and…

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

This open access book explores the role of continuity in political processes and practices during the Age of Revolutions.

From now on, you can go for a walk through Leiden’s scientific history and at the same time across the historic city center itself. Master students Lotte Koemans and Mandy Meijer have developed an audio tour which takes you past all six wall formulas in the inner city of Leiden.

Curiosities from the anatomical theatre, swords from the fencing school and 17th-century portraits of the University's founders. The new University Room in Museum De Lakenhal portrays the turbulent first hundred years of Leiden University.

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

On the brand-new Leiden Teachers Blog, Leiden teachers share their experiences with educational innovation. They show colleagues, students, and everyone else who is interested the different facets of creating university education.

February 2019 will see the launch of the Young Academy Leiden (YAL). Founded by the Leiden members of De Jonge Akademie of the Royal Dutch Academy of Arts and Sciences, the YAL has been designed to support the university’s talented early career scholars.

‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…

On 22 August, the GO-FAIR IN Africa was launched: an implementation network under the GO FAIR efforts to train, build and change the next generation of the Internet of FAIR Data and Services (IFDS).

Learning a programming language is challenging. Even one of the first –but crucial– concepts to learn, variables, is hard to grasp. Variables can represent different roles and functions within a code and need to be named appropriately to support code comprehension and debugging.

Anne Meeussen, who defended her PhD thesis on programmable materials in May 2021 earning cum laude honours, won the second Ehrenfest-Afanassjewa prize awarded by the Dutch Physics Council.

We are pleased to announce the Program for the “Third International lsmaili Studies Conference: Histories, Philosophies and Communities” (ISC2021), organized by the Leiden University Shii Studies Initiative. This year, ISC2021 will be held virtually on Zoom from Friday, August 6 to Tuesday, August 10,…

On 9, 11 and 13 October the ‘The Hague Peace Conference Simulation’ took place at the Wijnhaven building of Leiden University.

On 23 May 2025, Olga Ceran spoke at the ICON-S Benelux Chapter conference dedicated to ‘Public Law in an Age of Contestation and Systemic Change’. This conference was organised by the Université libre de Bruxelles, in collaboration with the Centre de droit européen and the Centre de droit public et…

On 1 November 2018, Rina Visser-Rotgans obtained her doctorate with her thesis on ‘Veranderend kunstenaarschap. De rol en betekenis van de kunstenaar in participatieve kunstpraktijken’ (Artistry evolving. The function and definition of the artist in participational practices of art). Rina’s research…

His two year Rubicon project is about the effect of university policies on societal engagement of academics in the social sciences and humanities.

In response to an news article that appeared in Dutch newspaper the 'NRC

Reseachers of the Institute of Environmental Sciences Leiden (CML) have contributed to a debate in the Journal Nature over whether lions in Africa can only be saved with dollars and fences.

A leaving do, birthday or other celebration? Many people like to ask for a donation to a good cause for their birthday or anniversary present. Leiden research can be one such cause.

Professor Janice Bellace (Warthon, University of Pennsylvania) gives the Social Justice Lecture this year. The title of her lecture will be: ‘Social justice, business and labour rights and the role of the International Labour Organization (ILO) to influence corporate behaviour of multinational enterprises.’…