The University Council (UR) approved the outline of the University’s 2024 budget on 18 December 2023.

On paper it is recycled, but in reality enormous quantities of plastic waste from the Netherlands end up in Asian seas. Researchers from the Leiden Institute of Environmental Sciences charted the fate of plastic food packaging waste from the Netherlands. They published their results on July 8 in the…

Three of our researchers have been awarded a certificate for receiving enough downloads to be in the top 10% of papers in 2022

What is the current state of democracy and how do we understand the effects of public support on democracy? The two-day symposium Support for Democracy: Measurement, Explanation, and Effect

The new academic year will get underway in just two weeks’ time. In recent weeks, this summer series has looked back on studying at home, shared hotspots in Leiden and provided tips for the new academic year. This final contribution will reflect on the past academic year for the last time by featuring…

On Thursday 11 December 2025, Daan Roovers, the philosopher and former Denker des Vaderlands (Philosopher Laureate), will give the 54th Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title What’s at stake: The boundaries of politics and fair play, she will reinterpret Johan Huizinga’s…

Conducting fieldwork against a backdrop of public policy interests and professional reputations in your own place of residence adds a whole new level to the experience. As a researcher in this context, you are essentially caught in a game of piggy in the middle between the subjects of policy, the objects…

Leiden biologists have found a mutation in flour beetles that allows them to speed up their development. The study has been published in Nature Ecology and Evolution.

In a new FSW Honours College course students from various academic disciplines dive into the world of artificial intelligence (AI). The course, 'Artificial Intelligence: Understand and Create' was designed by Marc Cleiren and Pieter Pierrot to be accessible to all students, regardless of their prior…

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

James Webb life’s building blocks

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.

Maaike Kempes believes more attention should be paid to non-congenital brain injuries in suspects. This may partly explain their criminal behaviour.

A TikTok by student Loïs de Jong from Leiden University in which Leiden sparkles as a student city won the final of the Leiden Media Contest on 13 June. According to the jury, the film was ‘the most appealing for today’s generation of current and prospective students – it includes nearly all elements…

At Leiden University, more and more exams are being done digitally instead of on paper. Originally, Leiden University would provide the large quantities of laptops needed for these exams. With rising demand for digital exams, however, the limits of this system were in sight. Now the Faculty of Archaeology…

As the father of a family with four children, he already visited the Hortus regularly. Now Tom Schreuder also comes there for his work. Every day he travels from Lisse by bike. The new Director Operations calls it a ‘perfect match’.

The city centre of Leiden is covered in them: wall poems. When roaming around, you come across poetry written in the Latin alphabet, but also in scripts that might be more difficult to understand for the average person living in Leiden. In a new series of videos, Tijmen Pronk talks more about this.

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

What happens in the mind of someone with ADHD? GZ psychologist Bianca Boyer discusses this in a two-part episode of the Dutch 'Podcast Psycholoog'. She likes to look beyond the symptoms described in the DSM-5. 'Those are just the tip of the iceberg.'

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

Fiffy the chimpanzee had rapidly developed cataracts in both eyes that made her as good as blind. Eye doctors at the Leiden University Medical Center (LUMC) have now managed to replace the lenses in both her eyes. As far as we know, Fiffy, who is thought to be between 30 and 40 years old, is the first…

The earlier you introduce children to a language, the sooner they can be captivated by it and see that there is more than just Dutch and English. That is the basis for the language lessons for primary education that Alisa van de Haar, university lecturer of French, collaborated on. ‘Deans from different…

Russian literature is awash with disputes, riots and intense political debates. In the new Dutch podcast Schandaal en Controverse in de Russische literatuur, senior lecturer Otto Boele and film maker and journalist Kay Mastenbroek discuss the most talked-about Russian books published in the past two…

The Institute for Philosophy further expands its knowledge: As of 1 September, Annemie Halsema holds the chair of Wijsgerige antropologie en de grondslagen van het humanisme (Philosophical anthropology and the principles of humanism, ed.). In the coming five years, she will study current societal issues…

Many members of Chicago's P'urhepecha community did not even know they lived a stone’s throw from some of their own historical heritage. Researcher Kate Bellamy organised a meeting to introduce them to books hundreds of years old.

After 14 years of chairing the Faculty Council, Associate Professor Jan Sleutels is handing over the baton. Student Susan van Grol takes over the chairmanship. Time for an introduction to Susan.

Hoe kan het dat universele mensenrechten wereldwijd niet hetzelfde in de praktijk worden gebracht?

Throughout the year, master's student Berber Kommerij is busy analysing medieval and early modern books and paintings. Every summer, however, she leaves for the Norwegian fjords to conduct sea kayaking tours. 'Watersports are my great love.'

For many new international students, moving to the Netherlands and getting used to Dutch culture and customs can be quite challenging. Luckily the Humanities Buddy Programme is here to help! The new coordinator of the programme, Bob van der Horst, will introduce himself and explain more about the buddy…

Connecting generations, reducing loneliness and slowing mental decline: these are goals of the Oud Geleerd Jong Gedaan foundation’s lectures, which are given by students. What is it like to be a student giving these lectures? And what do the seniors think of them?

A successful series of lectures on interior design, a symposium on four-poster beds and a new series of study afternoons on the horizon. University lecturer Alexander Dencher knows how to hold the attention of a growing audience. How does he do it? And what makes the history of interior design so fa…

At the age of 16, Alisa Lavrenchenko fled to the Netherlands with her mother. She is now taking a Master’s in Russian and Eurasian Studies at Leiden University. For her support of Ukrainian refugees, she has earned a nomination for the UAF Award for refugees and their professional and academic achie…

Seksueel grensoverschrijdend gedrag en structurele sociale onveiligheid horen niet thuis in vrouwengevangenissen, blijkt uit onderzoek van Leidse onderzoekers Esther van Ginneken en Yara Abbing. Zij vinden dat er een ingrijpende cultuurverandering nodig is en doen aanbevelingen.

Career Services of the Faculties Governance and Global Affairs, Social Sciences, and Humanities joined forces to organise the ‘Meet the Employer’ Week held from 6 – 10 December 2021!

You speak Japanese, know everything about medieval art or understand exactly what Hegel meant. And then you graduate. Many Humanities students find it hard to enter the labour market. A relevant part-time job can help. Therefore, the faculty has been working together with the employment agency Randstad…

Education, Organisation

Despite being prohibited by law since 1971, race discrimination continues to exist in the Netherlands. Why is this?

On 24 November a High-Level panel discussion on the occasion of the signing ceremony of the memorandum of understanding between the NATO Civil-Military Cooperation Centre of Excellence and the Institute of Security and Global Affairs and the Faculty of Governance and Global Affairs took place at Campus…

Eduard Fosch-Villaronga from Leiden University has been awarded a Starting Grant by the European Research Council (ERC). This grant of 1.5m euros enables talented early-career scholars to start their own pioneer project, lead a research team, and implement their best ideas at the frontiers of their…

Organisation

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…

Are you keen to beat your friends or colleagues and win the European Championship football pool? Statistician Marjolein Fokkema has some tips that might increase your chances.

How can Europe lead the way in vaccine development that is fast and for all? To answer this pressing question, Professor of Vaccinology Meta Roestenberg is holding a panel session on 14 July at the EuroScience Open Forum in Leiden.

An international team of astronomers led by Matus Rybak (Leiden University) has proven, thanks to accidental double zoom, that millimetre radiation is generated close to the core of a supermassive black hole. Their findings have been accepted for publication in the journal Astronomy & Astrophysics.

Technology, medical knowledge, social measures and the design of the living environment: all these needed to achieve a healthier society. In a series of interviews, 14 researchers from Zuid-Holland, including from Leiden University, argue for an integrated care approach.

China is actively attempting to silence critical voices about the country, including in the Netherlands. This is the main conclusion of a report on Chinese interference and intimidation within the Dutch media landscape. The media are often not well prepared for this.

Obsidian, a volcanic glass-like material, is often used for making tools by Mesoamerican societies. In Honduras, certain obsidian artefacts do not yet have a known provenance. PhD candidate Marie Kolbenstetter and Assistant Professor Dennis Braekmans were awarded a Corrie Bakels Grant to explore thus…

Leiden University and the Municipality of The Hague signed a collaboration agreement on sustainability on 1 November. Their main goals are to build a network, share knowledge and explore the possibilities of a Climate Centre for the people of The Hague.

In early modern England, courts of law were working overtime. University lecturer Lotte Fikkers delved into the records of centuries-old court cases involving women. In Early Modern Women's Life-Writing and English Law, she reconstructs how the story they told in court differs from the one they wrote…