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…

Michiel Veldhuis received the most public votes for the C.J. Kok Public Award and may therefore call himself Discoverer of the Year. Veldhuis researches how climate change affects savannah ecosystems in Africa and how we can protect them.

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

On 15 April, our much-beloved and highly respected former colleague Dr Hans Brussee passed away from cancer. In January 2025, Hans began experiencing neck pain. Initially, it appeared to be a herniated disc, but sadly, the diagnosis was soon revised, and his condition proved untreatable. Hans was 77…

The free AI and Ethics course (in Dutch) is available online to anyone who wants to find out more about the ethical implications of artificial intelligence. One of the eight experts featured in the course is Professor Reijer Passchier. ‘Artificial Intelligence is spreading so fast and has such an impact…

Do you often find yourself exhausted in the lecture hall or at your workplace? Not great for your mental well-being, as Laura Pape knows. She is investigating how an online self-help program can assist in addressing sleep issues and preventing mental health problems. Join her on this elevator pitch…

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

Early treatment benefits patients who have not fully developed rheumatoid arthritis but are in the preliminary stages of the disease. This is what researchers from the Leiden University Medical Centre (LUMC) have reported in The Lancet. Patients in the pre-arthritis stage who were temporarily prescribed…

Many members of Chicago's P'urhepecha community did not even know they lived a stone’s throw from some of their own historical heritage. Researcher Kate Bellamy organised a meeting to introduce them to books hundreds of years old.

Cryogenic memories, antibiotic treatment for urinary tract infections and recycling plastic sustainably. These are the subjects of the three NWO-XS grants awarded to Leiden Science researchers.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? 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.

Xander, student Public Administration, did an internship at the Marine Corps Training Centre. During his internship, he worked on automating the system of logistics requests. Now he is working as a working student for the training centre.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? 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.

Oud-studenten gingen op 30 augustus weer de collegezalen in om hun vaste plekje op de banken op te zoeken tijdens Leiden Revisited. Bezoekers konden genieten van inspirerende lezingen, maar ook van een gezellige borrel, buffet, en livemuziek.

Money, cultural anthropologist Coco Kanters concludes in her dissertation, is not an intangible or acultural phenomenon. It is a ‘product’ that arises from specific values and can be used for certain goals.

For first-year bachelor’s students, it is a well-known phenomenon: student mentors. These older students help newcomers on their way in small groups. Due to the Covid-19 pandemic, this year the choice was made to set up a mentor programme for new master's students as well. We talked to three student…

Since November 2022, Veronica Tamorri has been a new face at the Faculty of Archaeology. Originally from Rome, she joined the Faculty with a two-year Marie Skłodowska-Curie post-doctoral fellowship. Here she is studying human remains from early Egypt and Nubia (Sudan) using bioarchaeological methodologies.…

Many children eat too many high-calorie foods and too few vegetables from an early age. PhD candidate Merel van Vliet researched the role of parents in this. ‘Don’t force children to clean their plates.’ PhD defence on 15 June.

The glasses have been rinsed, the furniture is in place and the six-member board is ready. A very short time to go before De Fusie opens its doors in the Gorlaeus Building. The brand new bar promises to be a nice addition to the social life on campus. ‘We don't just want to run a cosy bar, but also…

In the Honours College course 'Climate, Sustainability and Wellbeing', students do more than just sit in a lecture hall. They are encouraged to explore climate and sustainability topics by connecting them to personal, embodied experiences and the natural world.

Doing your taxes, Netflixing or driving a car: more and more daily activities are supported by computer applications. It is challenging and expensive to test software thoroughly, leading to errors in most applications. PhD candidate Benjamin Lion made a mathematical framework to deal with this problem.…

Technological innovations such as home dialysis could significantly improve the quality of life and health of kidney patients. Professor Joris Rotmans therefore wants to continue pushing for new medical technology, as he will explain in his inaugural lecture on 24 March.

As a doctor, coming to a decision together with a patient: how do you do that in the best possible way? Researchers Geert Warnar and Roosmaryn Pilgram, who jointly teach a course within the MA in Dutch Studies, are entering into a virtual collaboration with the Universidade NOVA de Lisboa to find the…

Márcia Gonçalves joined Institute for History recently as Marie Skłodowska-Curie Fellow and specialises in the history of modern European colonialism (19th-20th Centuries). Below she introduces herself!

In a world increasingly shaped by conflict, it becomes ever more important to create space for empathy, understanding, and informed public discourse. That is the intention the Shelter documentary and immersive installation aims to achieve as it arrives at Leiden University.

For hundreds of years, children in Ancient Egypt learned to read using The Satire of the Trades, a text in which a father gives advice to his son through descriptions of different professions. PhD candidate Judith Jurjens investigated how this worked in practice.

The European Research Council (ERC) has awarded a prestigious Starting Grant to Leiden archaeologist Dr Nathalie Brusgaard. With this €1.5 million grant, Brusgaard will investigate how the transition to farming in Western Europe affected the relationship between humans and wild animals. A theme that,…

How often do you consider the impact of your choices? 10 October is Sustainability Day: a good time to introduce the new bachelor's programme Science for Sustainable Societies.

On 20 April 2023, during the first lustrum congress of the Conference on European Restructuring and Insolvency Law (CERIL), professor emeritus Bob Wessels was appointed as Officer in the Order of Orange-Nassau. Mayor Kolff of Dordrecht presented the decorations to Wessels for his longstanding contribution…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

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…

Over a thousand women ended up in a State workhouse between 1886 and 1934. This was a place for vagrants, beggars and drunkards: people who were said to be too lazy to work. Who were these women who were sent there? PhD candidate Marian Weevers found out.

Playing with nitrogen and fire to show school pupils how exciting science can be – that’s what the student volunteers of Stichting Rino do alongside their studies. ‘If there’s even one child who gets interested in science, that’s what it’s all for.’

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Biophysicist Alireza Mashaghi and his collaborators are taking up the fight against muscular dystrophy: genetic disorders that cause muscle weakness. They want to inhibit the clumping of proteins that results in toxic aggregates. For this, the team receives 550,000 euros from Health Holland. The team…

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

For many years, he was active in various management positions at the LION and even after his retirement he is still very involved. Professor Jan Aarts leads the Leiden hub of the Quantum Delta NL growth fund and is now temporarily responsible for national educational activities. In this way, he is helping…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

On 20 March, the final of the Legal Tech Challenge 2025 took place at Leiden University. After weeks of collaboration, brainstorming sessions and workshops on legal accessibility, five student teams presented their innovative legal apps to a jury.

Do all graduates in the humanities pursue a career in education? What does support for incoming students look like in Leiden? And what makes a language study so enjoyable? These and more questions were answered during an information session organised specially for twenty deans from West Brabant.

How to combine being a mom and a career-oriented researcher? As member of the RISE junior board, postdoc Monica Varela wants to set an example. ‘It’s not always easy, but I want to show young scientists that you can continue your career when having a child.'

The submission deadline for applications to Leiden University Libraries (UBL) Scaliger Institute fellowship programmes has been set for 1 February 2026. The Scaliger Institute, the special collections research centre of the UBL, supports scholars in any field of study and from anywhere in the world…

Nu belastingsystemen over grenzen gaan, speelt de politiek een steeds grotere rol. Irma Mosquera Valderrama pleit voor een wereldwijd, inclusief systeem.

Conducting fieldwork against a backdrop of public policy interests and professional reputations in your own place of residence adds a whole new level to the experience. As a researcher in this context, you are essentially caught in a game of piggy in the middle between the subjects of policy, the objects…

Two Leiden Science researchers received an NWO-XS grant for their research. Both projects are highly promising, but also high-risk. Macrophages that trap bacteria and data storage made from 2D materials convinced the board of their potential.

After a gap of five years, Leiden has a new Professor of Modern China. Florian Schneider started his position on 1 September.

Students are ever more cautious to express their view on controversial debates. The new student-led D&I initiative at the Faculty of Humanities, COOP, is ready to step in. They organise sessions to guide students on speaking up and respecting the views of others at university.

During the corona pandemic, the Chinese government's digital communication with its citizens changed. Hard propaganda was increasingly replaced by ‘soft news’. PhD candidate Dechun Zhang mapped the developments in digital society.

De Verbranders, a podcast produced by PhD candidates Neske Baerwaldt (FdR/VVI) and Wiebe Ruijtenberg (FSW/CAOS), is online! You can now listen to the first episode on Soundcloud, Spotify, and Apple Podcasts. Episodes of the podcast will be introduced in various courses this year.

On Tuesday, September 17th, the Dutch king, Willem-Alexander, will present the plans of the new government of the Netherlands. This government’s aspirations, led by the party (PVV) of right-wing nationalist Geert Wilders, are mostly defined by budget cuts. One of the sectors receiving such budget cuts…