Our constitutional democracy is under pressure. Politicians are increasingly bending rules and institutions to their will, often in small steps. PhD candidate Jorieke Manenschijn warns that through a combination of subtle changes we can cross a line without realising it.

The ‘Schijf van Vijf’ is the Dutch official dietary guideline, similar to a food pyramid, that shows what a healthy daily diet looks like. The updated version places more emphasis on plant-based eating. But how big is the impact of that shift really? We asked environmental scientist Joran Lammers.

In the sixteenth century, many Protestants fled to the Northern Netherlands to avoid Spanish oppression in the south. This exodus included tapestry makers from Oudenaarde who eventually settled in Gouda. Professor by Special Appointment Yvonne Bleyerveld and researcher Jos Beerens have been awarded…

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.

Good education starts with good educators. The university has taken various steps in recent years to help our teaching staff develop. But new teaching staff require particular attention, say staff who work on teacher professionalisation.

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

Hiring academics is more than just tallying up publications, says academic director and history professor Jeroen Duindam. He and his colleagues have come up with tips and guidelines for interview committees that align with the new system of recognition and rewards.

On April 22, Lasse van den Dikkenberg defended his dissertation: Living with Flint. For this, he examined flint finds from the Rhine-Meuse Delta. These finds belong to the Vlaardingen culture, which existed here from 3400-2500 BC. His research revealed that import played a larger role in the Neolithic…

Protest is a human right and an important way to hold the authorities to account. But how does the right to protest relate to academic freedom and the right to education?

Our aim with the Humanities Campus is to create a sustainable and attractive campus with ample green spaces and opportunities for interaction, complemented by modern and future-proof facilities. The campus is being developed in stages. On this page, you can find information about the planning, latest…

On 11 June 2025, the MA in International Relations (MAIR) Programme convened its 2nd Humanities & IR Graduate Conference at The Hague Campus (Schouwburgstraat), welcoming over sixty participants from twenty institutions in Europe, North America, and Asia.

An event where students came together to discuss the impact of AI on healthcare. Jurren de Groot and Yuxuan Zhu, master's students in Artificial Intelligence, took up the debate. They participated in SimuVaction, an event that brings students worldwide together in Atlanta to simulate an initiative of…

You may already have seen them in the larger restaurants in the teaching buildings: simple yet tasty hagelslag or cheese sandwiches. Students asked and the University Services Department (UFB) has delivered with its new Pure Basic line. Now there is a lunch for every budget.

The underwater world around present-day Indonesia has changed greatly in recent centuries as a result of human activity. University lecturer Johannes Müller has been awarded an NWO XS grant to map the history of the Indonesian ecosystems.

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.

'Let's make this a twice-yearly tradition!'– a feeling shared by many after the vibrant Research Day. Engagement started early, with participants connecting informally over good coffee before the formal start of the event on 19 November.

Museum De Lakenhal issued an open call for creative solutions to the problem of growth addiction. From over 500 submissions, they selected 15 artworks for the exhibition 'If things grow wrong'. These include the creations of Leiden researchers Peter van der Putten and Evert Jan van Leeuwen.

A year ago, assistant professor Paz Gonzalez received a Comenius grant to start an academic journal for and by students. Now the first double issue of The New Scholar is a reality. ‘We want to show the faculty’s diversity.’

Eighty years after its founding, the United Nations faces major challenges. Once established to prevent global conflict, the organisation now operates amid geopolitical tensions, prolonged wars and growing criticism. Joris Larik discusses this in Forbes.

Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…

The fact that corona has created a wave of creativity is evident when walking around in the lab of pharmacologist Coen van Hasselt from the LACDR. Suddenly there were far fewer master's students permitted in the lab for their research. So Van Hasselt came up with smart solutions to enable lab work to…

Sander van Kasteren only noticed some small, subtle changes since he was appointed professor on 1 May. Still, he has to get used to the idea, even though he had been working towards the professorship for a few years. ‘I don't quite see myself as a professor yet.'

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…

From malaria parasites as a vaccine to how top-level bureaucrats reach their decisions: seven researchers from Leiden University have received a Vidi grant from the Dutch Research Council (NWO). This 800,000-euro grant will enable them to develop their own innovative line of research over the next five…

A friendly chat is more complicated than you might think. As soon as the other person finishes talking, you already have an answer ready. But how do we know when it's time to change turns? University lecturer Johanneke Caspers has been awarded an NWO Open Competition grant to investigate the role of…

An open academic culture, where quality beats quantity, where science and society are closely linked and where we recognise and reward everyone’s contribution is the aim of the university-wide Academia in Motion (AiM) programme.

Vanaf september 2025 biedt de Faculteit Governance and Global Affairs de bacheloropleiding Cybersecurity & Cybercrime aan. Deze unieke Nederlandstalige opleiding leidt studenten op tot veelzijdige cyberexperts. ‘Er is veel vraag naar specialisten op het gebied van cybersecurity en cybercrime’.

In the Netherlands, 1.55 million people suffer from cardiovascular diseases. Yet, acute cardiovascular events, such as a heart attack or stroke, often occur unexpectedly. That is because many people do not know they are at risk for such an event. Immunological researcher Amanda Foks and her colleagues…

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.

LUC students research the Geul river’s restoration, combining sediment studies, biodiversity assessments, and policy insights for global environmental challenges

2,240 plant extracts from 1,299 different plant species of Dutch origin. That’s the collection of the Dutch Extract Library, which has recently been transferred to the Institute of Biology Leiden. To plant biologist and contact person for this library Pingtao Ding this is a true treasury. ‘To bring…

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…

Legal protection in education is something of a neglected child: oddly split between administrative law and civil courts. Brechtje Paijmans is calling attention to this issue as Professor by Special Appointment of Conflict Resolution and Legal Protection in Education.

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…

A number of organisational changes have been implemented in the faculty office of the Faculty of Humanities. This has led to the creation of BAS: the department responsible for Policy, Advice and Strategy. Department heads Marcel Belderbos and Tim Lamers introduce themselves and the new department.

At the Leiden Institute for Area Studies (LIAS), scholars have been studying the Indian subcontinent with attention and expertise for more than 100 years. This part of South Asia is an economic giant with a population of over two billion. Nira Wickramasinghe, Professor of Modern South Asian Studies,…

ECOLe is expanding. From 4 November, you can also contact them for questions about BKO (University Teaching Qualification), didactics, educational innovation, and teacher development.

Leiden University addresses the UN on children’s rights

Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.

Leiden criminologists have co-developed an artificial intelligence technology that tracks firearms incidents by scanning over 350 news sources.

Ilze Bot wants to reduce the prevalence of cardiovascular diseases. Her research focuses on mast cells, which protect us from infections but can also make us ill.

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.

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…

In collaboration with the Honours Academy at Leiden University, Eduard Fosch-Villaronga and Hadassah Drukarch from eLaw - Center for Law and Digital Technologies, coordinated a Pre-University Class on Robot Law.

Of the 900 new companies that have set up shop on the Netherlands’ largest campuses since 2018, 194 chose Leiden. This makes the Leiden Innovation District the fastest growing of the larger campuses. This is the conclusion a study by Buck Consultants International.

Taking part in TikTok challenges, online gambling, and forwarding nudes. ‘Why do adolescents take online risks?’, psychologist Neeltje Blankenstein wonders. Her research on online risk taking has been awarded a Veni grant by the Netherlands Research Council (NWO). Read her answers to five questions.

Translating ancient texts, filling in missing parts of clay tablets: articles are popping up more and more often about the possibilities offered by artificial intelligence for researching documents in the oldest scripts. Are we better off leaving the deciphering of ancient texts to computers from now…

The energy transition ranks high on the European policy agenda, but what does it take to get there? René Kleijn researches how we can extract, use and reuse raw materials in a responsible way. Since 1 March, he has been appointed professor of Resilient resource supply.