The Executive Board has reappointed Professor of Algebra and Number Theory Bart de Smit as vice-dean at the Faculty of Science. De Smit had already held this position since the beginning of 2019. His term has been extended by four years until the end of 2026.

Rawi Ramautar will be the new Programme Director of the bachelor of Bio-Pharmaceutical Sciences starting September 1. The appointment is for four years. Ramautar succeeds Erik Danen, who has held the position since 2019.

Climate change, biodiversity loss and environmental pollution are urgent problems that call for close collaboration between lawyers and scientists. Dr Hilde Woker and Dr Jason Rudall, both Assistant Professors at Leiden University, are investigating the important interface between law and science.

Can we truly connect with each other through video calls? Yes, according to a recent study. Psychologists found our bodies synchronise almost as much in digital conversations as in real life. But this doesn’t mean we should skip in-person meetings altogether, says researcher Fabiola Diana.

Festival

On Friday 9 September, Jeanin van Hooft, Professor of Gastrointestinal and Liver Diseases, will deliver her inaugural lecture titled: 'The scope of connection'. She emphasises the value of collaboration and connection for scientific research. In addition, she pleads for more diversity; according to…

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

During the annual graduation ceremony, not only were the Bachelor's students in Political Science honoured, but also those students who had written exceptional theses. The thesis prizes reward work that excels in originality, social relevance and academic quality. This year's winners are Ronny Wijling…

Amid the many traditions of Leiden’s 3 October Festival, a relative newcomer is beginning to take hold: the Science Market. At market stalls, the people of Leiden could explore or even participate in Leiden’s research – performing an ‘operation’ in the street, for example.

All Political Science graduates have good reasons to be proud of themselves, having successfully completed their studies and having demonstrated considerable personal growth. This October, fifteen bachelor students can be extra proud: their theses were nominated for a thesis prize. In the class of 2023,…

On the initiative of Leiden Law School’s Art Committee, the festive opening of the photo exhibition of the Leiden Amateur Photographic Society (LAFV) took place on Friday 20 May 2022 in the C corridor of the Kamerlingh Onnes Building.

All students receiving their bachelor diploma in Political Science last week had a reason or two to celebrate. Two of them especially so: they won the annual award for the best thesis in the International Relations and Organisations and the Politicologie/Internationale Politiek programmes. Congratulations,…

For the twelfth consecutive year, Leiden University College The Hague has been awarded the 'Top Programme' quality label by the Keuzegids Universiteiten 2025. With an impressive overall score of 89 out of 100 points, the Liberal Arts and Sciences: Global Challenges (BA/BSc) programme has earned five…

Organisation, Human resources

Organisation

The United Nations has declared May 22 the International Day for Biological Diversity. A moment of global reflection on everything on Earth and its indispensability. Anthropologist Marja Spierenburg stresses the importance of the interaction between natural and social sciences in addressing sustainability…

The Leiden-Delft-Erasmus (LDE) alliance signed a collaboration agreement with the Indonesian Ministry of Education, Culture, Science and Technology on 23 September.

Leiden University is taking a major step forward in the energy transition with the expansion of the thermal energy storage (TES) in the Gorlaeus Building. This expansion is needed to be able to heat and cool all the new and renovated buildings on the Campus Square of the Faculty of Science sustainably.…

This practical guide is aimed at PhD candidates, Research Master Students, and early-career researchers from all academic disciplines. The instructions in the guide intend to inspire young researchers and to help them practice Open Science, by sharing all aspects of research as open possible.

Where to study ’politics’? According to the QS World University Rankings, Leiden University is a good choice. In the 2021 edition, Leiden and The Hague retain their position in the top 25 of the most esteemed institutes worldwide. Within the Netherlands, we again claim the first position.

Facility

Research

Paul Wouters came to the Faculty of Science for a few months to help with organising day-to-day issues after the previous dean left. This has involved rather more than he expected. ‘I can now really understand why every faculty has its own dean.’

Lecture

3 October University has become something of a tradition: a bit of science among the Leidens Ontzet celebrations. During the new and improved edition, the WetenschapsWarenMarkt (Science Market), visitors spoke to researchers about the nitrogen problem, making organs and the city’s connections with A…

On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…

The Faculty of Science launched the new Academic Year on 21 September with a special We Are Science talk show. Dean Paul Wouters starred in his role as talk show host and received a wide variety of guests.

An impressive speech by Dean Jasper Knoester, a lecture by top researcher Mario van der Stelt about brain messengers, and the presentation of the faculty awards. 2025 begins on a hopeful and festive note, with a toast to a year of fruitful collaboration within and beyond the faculty.

Assistant Professor Briitta van Staalduinen has received the Best Dissertation Award from the American Political Science Association, Section on Class and Inequality. Her dissertation, Ethnic Inequality in the Welfare State, aims to reconcile the persistence of ethnic inequalities in expansive welfare…

If universities and research institutions want to tackle unacceptable behaviour in academia, they must shift their focus from dealing with complaints to preventing such behaviour in the first place. This is what the Royal Netherlands Academy of Arts and Sciences (KNAW) has concluded. It has therefore…

Lecture

Sometimes fascination can lead to in-depth research. Such is the case with Wahyu Widodo, who came across the Islamic Walikutuban ritual in Java in 2019, on which he subsequently wrote his PhD dissertation. Widodo: ‘Besides community, it also breeds political loyalty’

Festival

After diving into the murder trial of nurse Lucia de Berk, statistician Richard Gill became a leading expert on the statistics of medical murder cases. Together with colleagues, he now wrote a peer reviewed report about the statistical missteps in past medical murder trials. It gives recommendations…

Some children start life with a disadvantage. Sometimes even before they are born. A new research project involving Professor Wessel Kraaij of Leiden University investigates how data science can help give these children a good start in life.

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’