The university's CO2 footprint - a visual representation of Leiden University's environmental impact - is calculated every year. The CO2 footprint for 2020 shows a striking break in the trend in terms of energy use, mobility and waste.

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

Rich, white, urban: Western politicians often represent a small segment of the population. Political scientist Hélène Landemore advocates for a more inclusive democracy. She will deliver the Cleveringa Lecture on November 26.

A professor from Leiden University, together with a former employee (who is also the professor’s partner), has been guilty of long-term unacceptable and often transgressive behaviour in the form of abuse of power and manipulation. This behaviour led to a culture of fear among staff who were largely…

Lawyer, economist, politician and women’s rights activist Lizzy van Dorp is the 100th entry in our Top 450. Who or what is your favourite?

The start of the renovation of Cluster Zuid was a long time coming, but the moment has finally arrived. On Wednesday 8 June, Dean Mark Rutgers, accompanied by the contractor Constructif, symbolically marked the start of the demolition and reconstruction works by demolishing part of the roof.

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.

Ruim twintig nieuwsgierige medewerkers en studenten kregen een rondleiding in het nieuwe universiteitsgebouw van de Universiteit Leiden aan de Grote Marktstraat en het Spui in Den Haag dat in september 2025 de nieuwste locatie van de Campus Den Haag gaat worden. Nu is het vooral een kwestie van door…

Mirjam Oomens was working on her PhD research on language in the consulting room when she was diagnosed with metastatic cancer. Four years later, she has made it her mission to encourage doctors and other healthcare professionals to make fewer statements about life expectancy. 'Such a conviction can…

Whispp, a Leiden-based speech technology start-up, is developing an app to help people who stutter express themselves more freely. Among those working together with Joris Castermans and his team at Whispp, are researchers and students from the Leiden University Centre for Linguistics (LUCL).

On 26-28 June, 2023, Leiden University’s Institute for History will host a summer school on Socioeconomic diplomacy and global empire building, 16th-19th centuries, in collaboration with the N.W. Posthumus Institute (the research school for economic and social history in the Netherlands and Flanders)…

MA International Relations: Culture and Politics student Annick van Rinsum created a play as a method to research her master’s thesis. “Through writing this play, I aim to contribute to our understanding of International Relations Theory. I’m specifically interested in the question how our theories…

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

For two years, Ineke Sluiter was president of the Royal Netherlands Academy of Arts and Sciences (KNAW). Now, she is returning to the university full time. ‘I always carry themes like accessibility, diversity and inclusion with me.’

There are many links between Leiden and the US. The highest office there has been held an impressive nine times by presidents with Leiden roots. This has led to memorable visits to Leiden University.

How can the Netherlands help secure a peaceful future for Israel and Palestine? At a recent meeting at the university, two remarkable speakers shared their perspectives: Somaya Bashir, a Palestinian woman living in Israel, and Palestinian journalist, Houssam Khadra, who fled Gaza over a decade ago.

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

Video conferencing from your sitting room and algorithms on social media that know your interests: new technology is an increasingly integral part of our lives. At the same time there is a growing call to protect our privacy, and this is causing friction, at the University too. In part because of the…

From memorials to the armed forces to memory stones for individual victims. It was only later that the Holocaust took a central role in Western remembrance culture, Cleveringa Professor Frank van Vree notes. ‘Nationalists and human rights activists both invoke the experience of the Holocaust.’

From scanners in lecture halls to systems for working from home: the discussion about new technology is being held on various fronts. That is why the University wants to make more use of its in-house experts. At the Technology and Trust symposium at Leiden University on 2 February, researchers from…

New ministers, new state secretaries and new members of parliament. Around the time of the elections, we often talk about the new faces, but there are also many politicians who leave during this period, sometimes out of necessity. How do you say goodbye to a political career? Henk te Velde, professor…

Professor Beatrice de Graaf held the 53rd Huizinga Lecture on Thursday 12 December. In front of a a sold-out Stadsgehoorzaal, she spoke about how history can be used in times of crisis to give meaning to the situation.

The university is launching a campaign to focus extra attention on our smoke-free university locations. The University is using aptly named cigarette barrels to try to show clearly just how many cigarette filters are being saved from the environment. How harmful are these cigarette filters to the e…

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

Everyone has heard arguments like this before as a child: ‘Whether you like it or not, you have to go to school!’ It seems as though you are presented with two options, but there is only one real outcome. Charlotte van der Voort of the MA Dutch Studies won the Leiden University Thesis Prize on her research…

On Monday 28 March a ‘pen test’ will be carried out to check the security of the classroom scanners. These people counters in University buildings were temporarily switched off in December after there was growing disquiet about privacy aspects of the devices. The pen test will be carried out in the…

Who can pitch a book so well that everyone wants to read it? These are the winners of the 2025 Alternative Reading List Awards.

50 years ago Lauterbur published the basic principle of MRI. Sine then MRI has become more expensive. Professor Andrew Webb describes what is needed to make MRI available for everybody.

How do you move 3,000 fragile clay tablets that date back thousands of years? This was the challenge faced by staff from the Netherlands Institute for the Near East (NINO). After years of preparation, the Liagre Böhl collection has been moved on trolleys to its new home.

Five researchers from Leiden University have been awarded an Open Competition Domain Science ENW XS grant by the Dutch Research Council for their research projects.

While studying Indonesian languages and cultures, Rennie Roos started a company. Today he has been working in Indonesia for more than eight years. Where does his love for this country come from? And how does he look back on his studies? ‘I actually wanted to become a pilot.’

The valedictory lecture of former rector magnificus Hester Bijl was buried on Tuesday 12 May in the garden of the Kamerlingh Onnes Building (KOG). Where did this young, and slightly eccentric, university tradition come from?

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

The development of the Humanities Campus is entering a new phase. On 13 June, the Municipal Council approved both the zoning plan and the visual quality plan. This means that the university can now go forward with developing the new construction and the central green square on the Doelen side of the…

You might be wondering what the reconstruction of the former V&D store at Spui in The Hague looks like now. If so, you can come and find out for yourself. On Saturday 8 June 2024, from 10.00 – 13.00 hrs., the building site of the new Campus The Hague Leiden University Building will be open to the pu…

Emeritus professor Willem Otterspeer received a royal honour from mayor Henri Lenferink on Tuesday 20 September. The university historian was appointed Knight of the Order of Orange-Nassau.

Organisation, Human resources

These are turbulent times at Dutch universities. We have all seen what has been and is still happening at various campuses in the country. Protests, demonstrations, occupations. Situations and scenes that deeply affect us all.

The Leiden interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) and the Embassy of Ireland are jointly organising a special book launch in The Hague. On 13 November, Gerry Finnegan, author and a former director of the International Labour Organisation (ILO), will…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

To check whether the classroom scanners are secure, a ‘pen test’ was performed in the Lipsius building on Monday 28 March. This involved switching on the person counters for a day so that ethical hackers could try to gain access to the system.

Latin America matters! With its rich history, culture, its impressive resilience and creative innovation in the face of such a diverse array of challenges, Latin America can indeed show the way forward inspiring for positive change. Working together with Latin American institutions, our researchers…

The Rein Dool painting depicting board members of Leiden University will be moving soon to the Reception Room in the Academy Building, where more people will be able to see it.

The university has been shaping the city of Leiden for 450 years. A brief history of the university buildings that have helped define the city.

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.

Try to resolve the nitrogen problem, go on a regeneration journey or take part in psychological research: discover this and more at the new and improved 3 October University, ‘WetenschapsWarenMarkt’.

End Fossil, Open Leiden and Students for Palestine incorrectly claim that a meeting will be held with the Executive Board on Friday 11 April. This statement is to correct these claims and clarify the situation.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.