Underwater noise from seismic surveys affects the behaviour of Atlantic cod. These are the results of research by Leiden biologists in collaboration with colleagues from Belgium. During such surveys the fish are less active than usual and their circadian rhythm is disrupted; soon after exposure they…

Translating texts, rehearsing scenes or practising music. Over the last few weeks, students of the BA Classics programme have been focused on just one thing: their production of the Greek tragedy Hecuba. Almost a third of them are involved in it. Iris de Smalen, who plays Hecuba, and Christoph Pieper,…

How do organs work in the body, and how can we create mini-organs to study diseases and test new medicines? That’s the idea behind organ-on-a-chip technology. During his PhD, Flavio Bonanini worked on developing the best possible mini-livers. ‘Make them as simple as possible, and as complex as neede…

From 7-9 June 2023 Global Transformations and Governance Challenges (GTGC) organises its second international conference in The Hague. Deadline for submissions: 15 February 2023.

In April 2025, Ms. Esther Rachow from The Hebrew University in Jerusalem presenting her ongoing doctoral research at an Austria Centre Leiden lunch-time talk. She answered a few questions about her visit below.

Discover budding creators, artists and researchers at the Night of Discoveries art and knowledge festival. And many researchers from Leiden University are taking part.

PhD student and research journalist Sebastiaan Grosscurt won a Tegel in May. In the data category, Grosscurt and his colleagues won the prestigious Dutch journalism award. 'For me, ecological research and journalism are two ways of achieving the same thing.'

There is a lot of discussion about international students and Dutch universities. The Cultural Anthropology and Sociology of Development programme is an international bachelor's programme. Forty per cent of our students come from outside the Netherlands. We ask five students how they feel about studying…

From the Open Days and Student for a Day events to the option of following Online Experience modules: the university tries to prepare prospective students for their new study programme as well as possible. In this context, the bachelor’s programmes Dutch Language and Culture and English Language and…

This summer, one of our BPS-master students, Ramazan Kiliç, will travel to Baltimore to present his research at the annual ARRE Research Symposium, a conference on ASXL-disorders that attracts researchers from all over the world, including the US, Japan, Germany, Ireland and, of course, The Netherlands.…

An evening program in the University Library and Middle Eastern Library in Leiden for everyone who has something to do with the Middle East; from Tajikistan to the Mahreb and from Istanbul to Sanaa. View the oldest books and clay tablets from the collection and listen to the most fascinating stories…

Leiden professor of molecular astrophysics and astrochemistry Ewine van Dishoeck was presented with the Niels Bohr International Gold Medal on Friday 7 October. The medal, instigated by the Danish Society of Engineers IDA, was awarded by Queen Margrethe of Denmark at a ceremony at the Carlsberg Academy…

Fiffy the chimpanzee had rapidly developed cataracts in both eyes that made her as good as blind. Eye doctors at the Leiden University Medical Center (LUMC) have now managed to replace the lenses in both her eyes. As far as we know, Fiffy, who is thought to be between 30 and 40 years old, is the first…

Pigeons, zebra finches and parakeets. Carel ten Cate studied bird sounds. But not just that. Together with linguists from Leiden, he investigated parallels between birdsong and language. On 9 June, his farewell symposium was held to mark the end of his broad career. Well, the end? Carel ten Cate has…

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

Yung Lin’s research explores how citizens in Taiwan and Southeast Asia actively shape public diplomacy, build trust across cultures, and address identity-based conflicts, highlighting the shift from government-led to citizen-centred diplomacy.

The past years Wouter Kool has been active as Privacy Officer at the Faculty of Archaeology. This was part of his position as Information Manager. Recently, however, he doubled his responsibilities when taking over the Information Manager position at the FGGA as well. He remains only human though, so…

Leiden University's eLaw Center's BIAS Project and the Universidad de la Laguna's AEQUITAS project will collaborate to develop a deeper understanding of AI technologies' impact on workers and inform policies accordingly.

A few law students were given the opportunity to conduct an eight-week internship at the Rechtbank Den Haag. They took part in hearings as clerks, in discussions about cases in the judges’ chambers, and contributed to the formation of decisions. They held a presentation about their experiences during…

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Scientists have discovered that starlings and parrots can imitate the complex sounds of Star Wars droid R2-D2 remarkably well. Their study reveals how the structure of a bird’s vocal organ determines its vocal abilities – and how citizen science helps uncover it.

Nanomaterials can pass much further along the food chain than was previously thought. The particles can change shape and size in each organism, enabling them to pass on to the next one in the chain. Researchers from the Institute of Environmental Sciences discovered this accidentally when using a novel…

Matthias Flór receives the KHMW Graduation Prize in Theoretical Physics for his master's thesis. His research on exotic superconductors at Leiden University and TU Delft struck a chord with the jury. The jury unanimously chose to award Flór noting that ‘he demonstrated impressive technical abilities…

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.

Human resources

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

For associate professor Jenneke van der Wal, things have been good recently. After being awarded a Vici and Una Europa grant, she has now also received an Ammodo Science Award. ‘It is a nice confirmation that I am doing valuable work.’

Another year's end draws near. And what a year it has been! On December 12th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. Professor Joanita Vroom got us in a festive mood by telling tales of Byzantine banquets, while a chef served historical dishes to sa…

From telescopes to science fiction: in just one semester, students with no background in physics or astronomy get to explore the universe. The first group of students started last month in the new minor Our Universe.

Max van Lent, Aris Politopoulos, Emily Strange, Claire Vergerio and Astrid Van Weyenberg have joined the Leiden University Teachers’ Academy. Lecturers at the Academy exchange experiences, develop their skills and share their knowledge and expertise with the rest of the university, for example via the…

Dominique Moïsi, a professor at King’s College London, will be the first holder of the Owada chair. ‘In the present international context of polarisation and divisions within societies and amongst nations, any effort at bringing Asia and Europe closer to each other is truly important.’

When a bacterium becomes more resistant to one antibiotic, it sometimes becomes more sensitive to another. To better understand this interaction, researchers from the Leiden Institute of Biology (IBL) and the Leiden Academic Center for Drug Research (LACDR) under supervision of Daniel Rozen and Coen…

Nadine Akkerman, associate professor of early modern English literature is receiving the Dr Hendrik Muller Prize 2021 for her work.

The nominees for the Prof. Dr. J.Th.J. van den Berg-prijs 2022 and the IRO Thesis Prize 2022. Who wrote the best bachelor thesis in Political Science?

Next generation immunodermatology (NGID) is a nationwide, large-scale project, funded by a large grant of the Dutch NWO to unravel novel biomarkers for six different skin diseases. These biomarkers will drive a high-tech, patient-centric approach in clinical practice. Health psychologist Sylvia van…

Finds uncovered in the east of Germany show that Neanderthals stored and preserved vast amounts of meat and/or temporarily aggregated in larger groups to exploit the spoils

17 November is International Student’s Day, dedicated to showcasing the international experience of international students in the Netherlands.

Dr. Salwa El-Awa delivers a talk on Wednesday, November 2nd, on "Ambiguity in the Qur'an".

Organisation

How can we tell whether and how a prehistoric weapon was used? How can we better understand the dexterity and combat skills involved in Bronze Age spear fighting? A research team from Leiden and Göttingen University present a new approach to answering these questions: they simulated the actual fight…

After 14 years of chairing the Faculty Council, Associate Professor Jan Sleutels is handing over the baton. Student Susan van Grol takes over the chairmanship. Time for an introduction to Susan.

Seventeenth-century Danish scientist Niels Stensen made groundbreaking discoveries in the anatomy of the body and of Earth. This Leiden alumnus’s theories are still relevant, as an exhibition at the Oude UB shows.

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

Organisation

Understanding the behaviour of tiny droplets in our cells could aid the search for new treatments. A team of Leiden researchers has developed a groundbreaking method to study how these droplets transition from liquid to solid. This change plays a role in various diseases, including neurodegenerative…

From January 2026, Leiden University will have an additional location in The Hague: Spui Campus. As well as teaching, study and sport facilities, it will offer 90 workspaces and meeting rooms for Leiden University staff.

Stimulating the vagus nerve, which provides a direct link between the gut and brain, makes people pay less attention to sad facial expressions. This research study by psychologists Katerina Johnson and Laura Steenbergen is published in the journal Neuroscience.

Organisation, Human resources

Eline van Slijpe wrote her Master of Philosophy thesis on intergenerational justice: does the current generation have obligations towards future generations? With this thesis she won the biannual J.C. Baak Prize.

Frank van Vree, Emeritus Professor of War, Conflict and Memory Studies at the University of Amsterdam (UVA), is the new Cleveringa Professor at Leiden University this year.