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?

Online education and assessments

Leiden PhD candidate Mona Shahab climbed Mount Everest two years ago to raise money for the education of disadvantaged children in Egypt. She made it to the top and posed there with the University flag. She recently presented the flag to Rector Carel Stolker.

On Tuesday 6 September, the faculty year 2022-2023 got off to a great start with Leiden Law Op 1, our yearly talkshow live from the Kamerlingh Onnes Gebouw. Together with the Faculty Board, academic staff and students, we looked ahead to the upcoming academic year.

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

Curious about what goes on at the Leiden Bio Science Park? During Dutch Bio Science Week (27 June - 5 July), organisations across the park will open their doors. For nine days, Leiden will be dedicated to life sciences and health, with activities for all.

The Moria deal has been marked as a controversial issue in the formation process for a new Dutch government – a development that fits with the government’s hesitancy in implementing what is already a meagre asylum policy, writes master’s student Nina Fokkink in an article in Dutch newspaper NRC.

Of the 150 elected representatives, 24 studied or conducted their PhD research in Leiden. Who are they and which degrees are most popular among these MPs?

In what circumstances can EU competition law impose on a dominant firm a duty to supply a competitor? On 19 May 2021, the Europa Institute organised a virtual Leiden Law Exchange (LLX) Roundtable to discuss the European Court of Justice’s recent clarifications on the matter.

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

Minority governments only become an option when attempts to form a government collapse. PhD candidate Corné Smit explored why such governments have become rare in the Netherlands and what advantages they might offer. ‘Broad majority coalitions often fail to make substantial progress on key issues.’

In a confidential meeting, the University Council (UR) and the Executive Board (CvB) have discussed security within our buildings, partly as a result of media reports on this topic that appeared during the summer. The University Council has shared concerns expressed by staff and students concerning…

EuroScience Open Forum – ESOF - is Europe’s biggest multidisciplinary and prestigious scientific conference. ESOF2022 will take place from 13-16 July 2022 and is hosted by Leiden as the European City of Science (in the Netherlands). The Kamerlingh Onnes Building is one of the locations of the ESOF and…

On Tuesday 27 May a first meeting was held in response to the demonstration and occupation at the Wijnhaven building on 6 May. The aim was to explore how the university can balance the fundamental right to protest with ensuring a safe environment for all students and staff.

On the occasion of Euroscience Open Forum 2022, Professor Attiya Waris (Director of Research and Enterprise and Professor of Fiscal Law and Policy in Eastern Africa, University of Nairobi, Kenya), Professor Irma Mosquera Valderrama (Professor of Global Tax Governance, Lead Researcher GLOBTAXGOV ERC…

How can we make our cities greener and more people-friendly? Two Campus The Hague projects have secured a grant from the Municipality of The Hague. The researchers and students from both projects are working with city residents to find sustainable solutions to local issues.

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

Sinds vorig jaar staan er gekleurde pilaren op de universiteitscampus. Met deze ‘Act of Kindness Pillars’ wordt eenzaamheid bij studenten tegengegaan.

What does 'leadership' mean to you? In the Leiden Leadership Programme, you will find out. The LLP gives you tools to develop yourself personally, professionally and societally.

Autism spectrum disorder, or ASD, is the term for a range of neurodevelopmental conditions or differences which can impact your studies at Leiden University.

Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.

In his leaving interview, Martijn Ridderbos doesn’t have to think long when asked what he is most proud of. ‘Bringing people together; creating things together. Reducing the gap between researchers and the staff who support them because the latter are essential. We’ve achieved that and the seeds have…

Good food. This is an important topic in the interview with Chair Ruben Venema and Activities Director Martine Feteris from the Leiden Vegan Student Association, which was launched in May. An interview rounded off with an extra helping of recipes.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

A few law students were given the opportunity to conduct an eight-week internship at the Rechtbank Den Haag. They took part in hearings as clerks, in discussions about cases in the judges’ chambers, and contributed to the formation of decisions. They held a presentation about their experiences during…

Until now, systematic discussions of gender, race and law have received little attention from Dutch law faculties, especially at the undergraduate teaching level. At the same time, public calls for discussion of these issues increases rapidly.

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.

How do you get citizens more involved in energy transition projects? This is the central question of the new transdisciplinary research project EmPowerEd. As a consortium partner, Leiden University is focusing on effective and inclusive collaboration between citizens, municipalities and industry.

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.

More than 1.3 million people worldwide die of tuberculosis (TB) each year, making research on its prevention and control essential. Researchers from various disciplines in Leiden are studying TB. A symposium on 24 March will highlight different activities in the hope of boosting nationwide collabora…

Research

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

‘If you want to implement open science, you at least need someone at each faculty who can help researchers to solve practical problems.’ Dorien Huijser spent two years managing the transition to a new working method at the Institute of Psychology’s Brain and Development Research Center.

How can you persuade researchers who are used to conducting research within clearly defined disciplines to adopt an interdisciplinary approach? Newly appointed distinguished professor Arnold Tukker explained.

Around 1,300 Leideners found 2,265 species during the Expeditie Stadsnutuur urban biodiversity inventory. ‘It’s been a huge success’, says scientific coordinator Frederic Lens.

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…

The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

Science thrives on freedom, safety, and stability. But what if these prerequisites are lacking? What if colleagues beyond our borders are threatened, persecuted or forced to flee?

Melita van der Mersch recently received a ‘Gouden Peer’ award for health law from ‘Mr. Online’. The seed for her interest in this field of law was planted at Leiden University. We spoke about her student days, career, and passion for healthcare.

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.