For conducting experiments involving animals, you need a project license and a valid research plan. On this page, you will read what this entails and how to submit these documents. You will also find other relevant information regarding conducting research involving animals here.

Lecture, SMILE - Experimental Linguistics series

Personal development

Who is the real creator when a musician uses AI? This was the burning question for Adam Lukawski, himself a composer. During a fascinating premiere at Amare, The Hague’s cultural hub, he demonstrated what cocreation sounds like.

Lecture, SMILE - Experimental Linguistics series

Leiden researchers Fenneke Sysling and Joris van der Voet will be admitted to the Royal Netherlands Academy of Arts and Sciences’ The Young Academy.

Organisation

We are pleased to announce a call for papers for a conference focused on ethical practices in medical research and treatment in the colonial and postcolonial context.

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

‘Jelena Prokic, university lecturer and researcher at the Leiden University Centre for Digital Humanities, will be preparing students for the challenges and opportunities of the digital world. In September, six modules will start on subjects such as statistics and digitally searching through texts.…

On 14 September, the Leiden Essay Film Festival will kick off. This three-day festival, organised by the Academy of Creative and Performing Arts, marks a first for the Netherlands. Never before has there been a public event entirely dedicated to the exceptional genre of the essay film. The festival…

From the future of academic publishing and reshaping PhD trajectories to parenting during an academic career, leadership, societal engagement and quality in academic work: during the Academia in Motion Symposium and Town Hall, colleagues from across the university reflected on how to create an open…

Within the scope of Leiden European City of Science, the Royal Netherlands Academy of Arts and Sciences (KNAW) presented the quadrennial Lorentz Medal to Daan Frenkel in the Academy Building yesterday. The ceremony was in collaboration with the Lorentz Center and was attended by Robbert Dijkgraaf, Minister…

LUCSoR alumnus Bas van Rijn was awarded the Fritz Stolz-Preis on 7 June 2024 for his PhD Dissertation “The Experimental Culture of Afterlife Research: Attempts by Spiritual Animal Magnetizers to Prove Life after Death”.

Research

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Freezers set three degrees higher, a recycling bin for plastic petri dishes or timer switches installed on equipment: a growing number of Leiden University laboratories are taking small – but effective – steps to reduce their environmental impact, via the internationally recognized Laboratory Efficiency…

On the second floor of the Sylvius Laboratory, new labs are being built for researchers of the Faculties of Social and Behavioural Sciences and Humanities. After a successful tender construction has recently started.

Researchers from Leiden have developed a promising TB vaccine that users can self-administer via a special patch. This could be beneficial for countries with limited health services, says PhD candidate Malene Neustrup.

The Babylab, part of the Leiden University Centre for Linguistics (LUCL) and SSH Labs infrastructure, has recently introduced a new eye tracking device for conducting research into first language acquisition.

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

Research

The new SSH labs will offer great opportunities for FSW and FGW staff engaged in experimental research. The labs will be a place of inspiration, not only because of the state-of-the-art equipment, but also as a result of the increased interaction with colleagues in other disciplines.

How do you ensure that students still learn anything when they can have AI write an entire thesis in a matter of minutes? Staff members from the Faculty of Humanities discussed this and other questions during a special AI symposium. ‘Writing and independent thinking are crucial, especially in our fi…

The LUCL has a new Scientific Director. Professor Sjef Barbiers took over the reins from Lisa Cheng with effect from 1 January. 'This is a great opportunity to contribute to a wonderful institution.'

A new position has been created at the Faculty of Humanities. On 1 September, Marian Klamer became the first Director of PhD Programmes at the Graduate School. ‘I want to find the balance.’

Organisation

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

Since the introduction of ChatGPT, the tool has become immensely popular with students. The Faculty of Humanities is now developing its own bots that can act for students as an individual tutor. In January, product owner Julian van der Kraats assists at a workshop on this technique to interested Humanities…

Vincent van Heuven passed away unexpectedly on Friday 6 February 2026 at the age of 76 at his home in Kûbaard (Friesland), the Netherlands.

Lecture

Conference

Meet-up and drinks

Arts and culture

Lecture, SMILE series

Covid-19 has had a huge impact on teaching at universities over the past two years. Through force of circumstances, lecturers have adapted much faster to a digital future. On 7 June Leiden Teachers Academy’s annual Education Festival (working language is English) will present insights on this ‘new n…

Eight scientists from Leiden University have been awarded a grant by the Dutch Research Council (NWO). With this Vidi funding, the researchers can set up an innovative line of research and further expand their own research group over the next five years.

It often takes longer for women with heart problems to get the right diagnosis. In her Annie Romein-Verschoor Lecture, Professor Hester den Ruijter will talk about how hormones influence the heart and the importance of medical research that focuses specifically on women.

‘Everyone’s talking about it, everyone thinks everyone else is doing it, but the reality is disappointing,’ says biochemist Gerard van Westen in his 3 October University lecture in the Van der Werfpark. In the full marquee, he gets a laugh with this suggestion that artificial intelligence is comparable…