Leiden University is joining the Una Europa European University. Together with other partner universities Leiden University will draw on their collective strengths to shape the future of Europe through innovative education, research and international exchange.

Leiden University has secured fifth place in SustainaBul, the sustainability ranking for universities and universities of applied sciences in the Netherlands.

At the Dies Natalis Willem Otterspeer, Professor Emeritus of University History, presented the fourth and final volume of Groepsportret met Dame, his series on the history of Leiden University. De 'Strategie van de Aanpassing' covers the period 1876-1975. Otterspeer talked about his book in a podcast…

ICT, Security

Recently, the oldest parts of the Leiden University Archives have been preserved and digitised thanks to a grant from Metamorfoze. This makes an important source on the history of Leiden University – and academic life in the Northern Netherlands in a broader sense – widely available.

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

For thousands of years, the prehistoric communities of the Low Countries followed their own path, compared with the rest of Europe. An international research team has now published these findings in Nature.

Autism, Alzheimer’s, and bipolar disorder: can the development of these mental health conditions be influenced by the ketogenic diet? Increasingly, research suggests it might. 'For those it helps, it can be life-changing,' says neuroscientist Eline Dekeyster.

Humans and bonobos show striking similarities as well as differences when they see pictures of conspecifics. Both are more interested in photos of conspecifics that show emotion. But while our human attention is more easily drawn to photos of family members and friends that express certain emotions,…

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. This time, Jasper writes his column from Singapore.

Professor Remco Breuker plays the leading role in the new documentary ‘Big in Korea’. Over three Sunday evenings, viewers can follow his journey through South Korea. How has the country developed over the past decades? And what is the impact of last December's failed coup?

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

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.

Employee participation an issue that is not of your interest? On the contrary, your vote directly affects your working environment at Psychology. You know, where you give your best every working day. Three of our colleagues are getting in the race for a spot in the Unversity Council. Take that chance…

Leiden University has decided to withdraw from EUniWell as of January 2023. The importance of synergy in our international portfolio and research and teaching agendas recently led us to accept the invitation to join Una Europa, an alliance of 11 leading European research universities. We have explored…

The results of the 2025 university elections are in. Who will represent us in the participation organs?

Egypt serves as a strategic gateway to Africa and the Middle East. For that reasons, Luc Sels, President of the Executive Board and a delegation visited the Netherlands-Flemish Institute in Cairo (NVIC) at the end of April. This resulted in new agreements on research and student exchanges.

The Executive Board of the University is shocked by the unannounced demonstration that took place Thursday afternoon at the Wijnhaven location in The Hague relating to the situation in the Middle East. Without first requesting permission, a large group of students and staff held a gathering there. Moreover,…

They confounded expectations and went to university anyway – as a woman of colour, a working-class student or refugee... Throughout the centuries the university has always welcomed pioneers. Students for whom going to university was not the obvious choice and who did not grow up in an academic environment.…

The Executive Board has appointed Ineke Sluiter and Arnold Tukker as distinguished professors at Leiden University.

For the third time in a row, Leiden University has received a positive assessment in the Institutional Audit for the way it provides good teaching and a vibrant quality culture. Rector Magnificus Hester Bijl was presented with the official certificate.

Leiden University has a new Executive Board. Since 8 February 2021, Annetje Ottow has been the new President and Hester Bijl the new Rector Magnificus of the Board, while Martijn Ridderbos has continued in his role as Vice-Chairman.

Leiden University Academy is making lifelong learning even better! The entire range of programmes on offer for professionals has been expanded and united under this name.

A new graphene-based method could make for faster, cheaper and more accurate DNA sequencing, say a group of Leiden physicists and chemists.

The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…

For thousands of years, beavers had a big influence on the Dutch ecosystem and the people that lived there. This is the conclusion of research by archaeologist Nathalie Brusgaard.

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…

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.

During the final event of the PRE-Class Rechtsgeleerdheid, secondary school pupils organised a mock trial on the impact of artificial intelligence (AI) on society. Together with the audience, they explored the possibilities and pitfalls of AI. ‘They all did a wonderful job.’

A big performance by André Rieu, food trucks in The Hague and more contact with the Royal Family: grand plans were announced in April to make the State Opening of Parliament (Prinsjesdag) a real ‘crowd puller’. For this year, however, we will just have to make do with slight differences in emphasis.…

Martijn Verkuilen is the winner of the Unilever Research Prize 2022. By transferring DNA from a plant into yeast, he made the first move to produce a new drug for type 2 diabetes. He collected his prize in Wageningen on 24 November.

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

Professor Jan Willem Erisman is happy with the freedom at our University. But frameworks are needed, he believes. That is why he makes a proposal for such a framework from the perspective of his own profession. In fact, he makes a proposal for a wonderful ambition for Leiden University.

Ammonia has been feeding the world for decades as a fertiliser and is now rapidly emerging as a carbon free fuel for shipping and industry. But if we focus only on CO₂ emissions, we risk creating new nitrogen problems, warns nitrogen expert Jan Willem Erisman in the journal One Earth.

The University Council gives the Executive Board (un)solicited advice and helps decide on important topics. For example, permanent contracts for lecturers and the workload and well-being of our students and staff. It’s an important organ, but many staff have no idea what it does. ‘I think it’s great…

Our ever-increasing reliance on software and technologies, out of convenience, necessity or otherwise, binds us to supranational and commercial companies that provide them. Is it essential that governments, universities, and researchers ensure that they continue to be in control of their data and software?…

Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.

Two Cleveringa books from Theo ten Kate's law library were donated to Leiden University by grandson Sebastiaan ten Kate on 24 November. They are the dissertations of W. Hugenholtz and J.G.L Röder, both PhD students of Rudolph Cleveringa. Ten Kate: 'The University is the right place for the books. Here,…

Over a century ago, Alexandra van Elroy's great-grandfather left for Japan, where her grandmother was born. Together with her mother, Maaike van der Loon, she reminisces about her family history, through which a key thread is the study of Japanese and Chinese.

Facility, Library

Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

In the context of urban challenges, multidisciplinary knowledge adds value. The idea is that urban planners, sociologists, economists, and historians can collectively provide a deeper understanding of what has worked and what hasn't so far. Since 2022, scientists from the University of Indonesia and…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

A Leiden-based team of researchers has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time in its history, the journal is now based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O’Malley…

Staff from Leiden University are starting the Dutch universities’ staggered strike against the government cuts on 10 March. Follow the strike in this liveblog.

It is said that robots replace human interaction, but not always. This spring, the robots were the reason why the eLaw Center for Law and Digital Technologies at Leiden University in the Netherlands and Mykolas Romeris University (MRU) Law School in Lithuania got together.

NWO (the Dutch Research Council) has granted more than 10 million euros for five human-centered AI research projects (2.1M€ each). Leiden University participates in two of these five research proposals, which are called ELSA labs.