Designing innovative algorithms, thinking outside the box, and brainstorming over coffee with his colleagues — this is what physicist Stefano Polla enjoys most. His success shines through in his nomination for the C.J. Kok Jury Award 2024 for PhD thesis of the Year.

On 25 November, the global 16-day campaign 'Orange the World' against violence against women and girls started. Leiden University will also be paying attention to this campaign. On Friday 9 December, Renate van der Zee and Marieke Liem will give a lecture at the Campus The Hague (Spanish Steps, Wijnhaven)…

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.

Governments worldwide invest huge sums in their digital services and data strategies. Efficiency and effectiveness are key. But these are not achieved for some people at least, says Professor of Public Policy Sarah Giest. This makes the intended digital inclusion far from inclusive, as she will explain…

Physicists in Leiden have built a microscope that can measure no fewer than four key properties of a material in a single scan, all with nanoscale precision. The instrument can even examine complete quantum chips, accelerating research and innovation in the field of quantum materials.

Research

Immunologist Leender Trouw specialises in the complement system, which is part of the immune system. In some diseases drugs help activate or inhibit this system. This is best done ‘in the right place at the right time’ − the title of his inaugural lecture.

How do colonialism and historical slavery continue to impact the university today? And what should happen next? Students and staff discussed these questions on 11 March.

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 March 13, 2026, he is on a knowledge mission to South America.

How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

‘All the groceries, but not a fig for young workers’, read a banner during the occupation of Ahold’s headquarters in 1981. ‘For a long time, young workers were not taken seriously, but they managed to put themselves on the map’, says historian Rosa Kösters.

While the Netherlands was in lockdown because of the coronavirus, PhD candidate Koen Rijpkema began his research into the same virus. In the lab, he developed molecules that can inhibit an important viral enzyme.

POPcorner The Hague has become a familiar and trusted space at Leiden University in The Hague. It’s where students meet, find support and work together to build an open and approachable student community.

‘Shouldn’t you get out of bed for once?’ Critical or controlling behaviour from parents, however well intentioned, can worsen the symptoms of young people with depression. That is the conclusion of PhD research by psychologist Wilma Wentholt. But warmth and emotional support can, in fact, have a protective…

Fraud and plagiarism in assessment can unfortunately be seen everywhere, even among our students. In relation to this, as an examiner you have an important role in safeguarding academic integrity.

Here you will find questions and answers about GROW, the types of interviews, the GROW tile and more.

The Leiden Bio Science Park (LBSP) is eager for new talent. Therefore, as a member of the core group, Miranda van Eck is committed to improving cooperation between the faculty and the business community. How do we make sure we know how to find each other better? And how do we show our students what…

Since its discovery thirty years ago, it remained a mystery: how does the body’s own marijuana move between nerve cells in the brain? Mario van der Stelt and his research group have now uncovered the answer. This insight could aid the development of new treatments for pain and neurological disorders…

Fossil Free against KLM on greenwashing, municipalities against Chemours on PFAS discharge, climate cases against Shell and ING Bank… There are many examples of recent civil lawsuits on sustainability. But does climate litigation in the civil courts actually have an effect?

Collaborating and learning from other fields – that is what bioinformatician Hannah Augustijn enjoys most about doing research. During her PhD at Leiden University, she developed new ways to search within bacteria for the antibiotics of the future.

The most problematic themes in the Faculty of Humanities are workload and social safety, according to the recently completed Personnel Monitor. What happens now?

The Mindlab theatre and discussion programme will launch at the Faculty of Humanities at the end of September. What exactly does this programme on social safety entail? And who is it intended for? HR adviser Brigitte Heming explains.

Part of our social contact is currently online, with no physical proximity. Does digitalisation mean that we are losing an effective way of making contact with one another? This is what Reinoud Kaldewaij will be studying with a Veni subsidy from the Dutch Research Council (NWO). 'An issue that will…

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…

As you know, the faculty is working on a new follow-up strategy with six themes. Each theme now has its own writing team. Every week we speak with one of these teams about their work, and share the highlights. On this page you can find the current article and an overview of all articles on the follow-up…

On 22 January 2026, a meeting was held in the LUCL common room in the Reuvens building for the planned renovation of Aleida Nijland (formerly Matthias de Vrieshof). Future users of the building were given a preview of their new location on the Humanities Campus. The atmosphere was positive, and the…

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

The Service Centre International Staff supports and advises all international staff at Leiden University. Not just about things like immigration, accommodation, taxes, insurance and dual career, but also about the social side of things like feeling welcome and at home at Leiden University. SCIS’s recent…

Clear information about support services, a well-being self-test and advice on finding a room. YounginLeiden.nl helps students and other young people get started, literally and figuratively. Why is this site so desperately needed?

In a lecture for the University of the Netherlands, Reijer Passchier, assistant professor in constitutional and administrative law, speaks about the state of our democracy. ‘Is it not time to upgrade our democracy?’

Future users of the Aleida Nijland building were recently the first to have the opportunity to admire the design plan for the new building. During a user meeting, architectural firm De Zwarte Hond presented the design, and future users of the building were able to share their wishes and ideas for further…

The international Planetary Health Alliance network is a consortium of more than 450 organisations committed to addressing the health impacts of global climate and environmental change. Planetary Health education coordinator Laura Warmerdam explains why our university recently joined and how this will…

De Starting Grant wordt jaarlijks door de European Research Council (ERC) toegekend. Dit jaar zijn er in Nederland 51 onderzoekers die een Starting Grant ontvangen, waaronder 4 onderzoekers van FSW.

Citizens still see great value in science communication and want to be increasingly involved in science. This is evident from research by the National Expertise Centre for Science & Society (NEWS) and researchers from the Science Communication and Society department at Leiden University.

As you know, the faculty is working on a follow up strategy built around six different themes. Each theme now has its own writing team. Every week we speak with one of these teams about the content of their theme, and share an update in the newsletter. This weeks theme: Strategic Growth, led by Koen…

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.

Nurturing Student Creativity: Innovative Approaches to Sharing Scientific Results. Bridging Generations and Empowering Ethical Exploration in Anthropology Education

Several Dutch universities have said they do not want foreign student numbers to grow any more in some of their degree programmes. They are reaching maximum capacity. We are also alert to this in Leiden, but I see many positive aspects to the intake of international students.

After twenty weeks of hard work, third-year students of International Studies wrapped up the ‘Practising International Studies’ (PRINS) consultancy course by pitching their major research findings and advice to organisational partners. We were invited to attend the presentations on behalf of the International…

New! Participate in vital activities during our Healthy University Let’s Walk Week (March 1-5) and challenge your colleagues in our organization wide walking competition using the Ommetje-app!

After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.

Better recognition and rewarding for support staff. Organisations tend to overlook this, despite the crucial role this group plays. A new initiative is set to change this for our faculty. Paul de Hoog explains how FWN support staff will soon have even better opportunities for growth.

Would you like to do collection-oriented research, but do not have sufficient resources? Every year, the Museums, Collections and Society (MCS) research group makes several research scholarships available for this purpose. Researchers Elizabeth den Hartog and Marika Keblusek previously received an MCS…

No less than 33 project received a Leiden Kiem grant in 2023. How did they fare? Olga Bogolyubova shares experiences from her project ‘Interdisciplinary Approaches to the Study of Safety and Danger in the Digital World’.

With an off-the-charts number of downloads, outstanding media coverage, and more than 300 tweets, a small team behind the Scientific Reports article led by a Leiden PhD Igor Djakovic is living every researcher’s dream.

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

Project TARGET is a research project aimed at the relation between the illegal arms trade and firearm violence. In a study conducted in seven countries, the researchers took a look at the differences and similarities. Katharina Krüsselmann and Marieke Liem took a closer look at the situation in the…

Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.