Parents from all corners of the university bring their children to De Kattekop, the university’s day nursery. How does manager Ellen Buschman use her psychology degree in her work?

Last week, third-year students of the Bachelor Security Studies concluded a seven-week intensive programme with a two-day conference. They presented their findings in front of a full lecture hall and in the presence of the client for whom they worked on a complex security issue. Tutor Saskia Postema:…

During a festive meeting, the In-house Emergency Service (IES) team of the Pieter de la Court Building was pampered by the Faculty Board FSW and the UFB management on 10 February 2022. It was high time to thank the team for their service, drive and commitment. Symbol of this gratitude is the statuette…

The Plants & Planets exhibition brings two worlds together in a dazzling mix of science, nature and art. It opens at Old Observatory Leiden and Hortus botanicus on 7 February.

What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…

How do biological cells join forces to form a structure? In her PhD research, Daphne Nesenberend uses mathematics to show how forces and cooperation between cells create structure – and how simulations and experiments can reinforce each other.

For the Bachelor Honours Class 'Mass Extinction', students produced podcasts about the past, the present and the future of mass extinctions. What exactly is lost when a species goes extinct? What are the practical consequences? But also: does humanity have the moral duty to protect other species?

When a bacterium becomes resistant to one antibiotic, it may sometimes become more sensitive to another. This biological side-effect offers an unexpected opportunity in the fight against antibiotic resistance.

For the following years, Dr Aitor Burguet-Coca will be a returning face at the Faculty of Archaeology. He will join Dr Amanda Henry’s team with his expertise on prehistoric fire use and the methodologies that studying ancient hearths requires.

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

The opening of Islamic primary schools has made an important contribution to the emancipation and integration of Muslims in the Netherlands. This is the conclusion of PhD candidate Bahaeddin Budak in his research into 25 years (1988-2013) of Islamic primary schools in the Netherlands. PhD defence on…

Researchers from the LUMC and the Universities of Granada and Almería have found a gut bacterium that is associated with stronger muscles in people and mice. Their findings, published in the journal Gut, hint at the potential for new probiotics to support muscle strength and healthy ageing.

Helping new students find their way at our faculty, organising visits to the court in The Hague, perhaps even teaching a course for a group of new students about the ins and outs of their study programme. The faculty is looking for new student mentors for the academic year 2026/2027. What does it mean…

Alumna Lisa Koolhoven is the granddaughter of a Rotterdam woman who experienced the ‘forgotten bombing’ of the city on 31 March 1943. Her friend Kristen Hayford has an American grandfather who served in the Air Force during the Second World War. In their podcast ‘Beb & Bob| Collateral Damage ’, they…

In cities, parks take the blame for mosquito problems. However, the real issue is usually a few streets away. Drains and standing rainwater create ideal breeding grounds for larvae. As a result, controlling adult mosquitoes in parks makes little sense, says environmental scientist Louie Krol in his…

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

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.

Astronomers led by Simon Portegies Zwart used simulations to reconstruct how three stars were ejected from the star cluster R136, 60,000 years ago. The analysis reveals that five stars were involved in the event in the Tarantula Nebula.

In the Leiden Municipality Challenge, 25 students investigated how Leiden could become more sustainable. In doing so, they enlisted the help of the city's citizens. 'When citizens themselves participate in the research process, they have a better understanding of how science works.'

Bjørn Peare Bartholdy is Archaeology’s representative in the Open Science Community Leiden (OSCL) . We spoke with him about the value of Open Science and how to make a good start. ‘Open Science is headed to be a regular way of academic work.’ So better to jump on the Open Science bandwagon early on.

This month, ten teachers received a Senior Qualification Education (SKO), including Marcellus Ubbink and Daan van der Es from our faculty. Why did they go through the process of getting qualified, and should all teachers have an SKO?

Wat zie jij als je verderkijkt? Hoe ziet studeren aan de Universiteit Leiden in 2075 eruit? We nodigen je uit om mee te doen met Verderkijkers.

In September 2025 Leiden University hosted a greatly successful academic conference "Care and the Jewish Experience" organized by the Leiden Jewish Studies Network. Among our guests and presenters were academics from many universities, many disciplines and at different stages of their academic caree…

Starting this semester, Urban Studies students will be able to work on the urban development of the municipality of The Hague. A LUF incentive grant will enable them to put their knowledge into practice even more effectively. At the same time, a study will be started on the optimal use of urban spac…

The Legal Tech Challenge 2026 kicks off on 5 February. Ishana Bhadai, Lizzy Streng and Jonathan Scholten van den Belt were last year’s winners. Here, they share their experiences stepping up to the challenge.

Education, Research

From researching plastic pollution to caring for injured wildlife, volunteers play a crucial role in conservation. But much of the valuable knowledge they gather remains unused.

Over 600 manuscripts and early prints have been made digitally available by Leiden University Libraries (UBL) via the Europeana platform. In the project 'The Art of Reading in the Middle Ages’ (ARMA), seven European heritage institutions added 30,000 digitised medieval items to Europeana’s database…

The Fieldwork NL report prize goes to the “Queer Joy in Motion” report, by bachelor students Dorota Olsavska, Marthe Baalbergen, Rielly Puchalski, and Rosa Graffé. Master student Imogen Cooney receives the Speckmann Award for her thesis ‘Decolonizing Faculty’.

At the first Climate Café of 2025, we celebrated the one-year anniversary of The Hague Climate Agreement and reflected together on the successes and opportunities for the future.

Europe lives! This became clear last Friday when students debated with the French ambassador to the Netherlands, H.E. Luis Vassy, and his German colleague, H.E. Dirk Brengelmann, on a range of topics relating to Franco-German relations and the European Union.

Two researchers from the Faculty of Archaeology have received a grant from the Museums, Collections and Society (MSC) interdisciplinary programme. This grant is for collection-based research. Jason Laffoon is using his grant for research into the origins of Central American turquoise, while Dr Marike…

In a recent mega-analysis, researchers from Leiden University aimed to clarify the contradictory findings of research into social anxiety disorder. They found that to obtain reliable research results having the largest possible sample size is important. Publication in NeuroImage:Clinical.

It is not widely known that Una Europa is not only intended for academic staff. Our university is actively involved in Una Europa: an alliance of 11 leading European research universities. This collaboration provides students and all staff with new international opportunities for cooperation and development.…

The first year students of Bachelor Security Studies finished their final block with the course Integrated Project 1. As part of the programme's teaching philosophy ‘Explore, Understand, Do’, students were required to combine the knowledge and understanding they’d gathered throughout their first year,…

Michiel Veldhuis received the most public votes for the C.J. Kok Public Award and may therefore call himself Discoverer of the Year. Veldhuis researches how climate change affects savannah ecosystems in Africa and how we can protect them.

At the Leiden Institute for Area Studies (LIAS), scholars have been studying the Indian subcontinent with attention and expertise for more than 100 years. This part of South Asia is an economic giant with a population of over two billion. Nira Wickramasinghe, Professor of Modern South Asian Studies,…

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.

A delegation from the University of Edinburgh recently visited Leiden University to deepen their collaboration. What makes Edinburgh such an attractive partner?

The year is 2032 and the Arctic ice cap has melted causing new trade routes to emerge. This case is the focal point of the Young Diplomat Conference during which honours participants spend a weekend as diplomats solving disputes between countries.

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,…

How do organs work in the body, and how can we create mini-organs to study diseases and test new medicines? That’s the idea behind organ-on-a-chip technology. During his PhD, Flavio Bonanini worked on developing the best possible mini-livers. ‘Make them as simple as possible, and as complex as neede…

At the end of January, students of the Master Honours Class ‘Future Foresight’ had their final session. Students gained new perspectives, resilience and creative problem-solving skills to navigate societal shifts. Throughout the course, they learned how to think about the future and the challenges it…

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.

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…

In June the Final Festival took place, the closing event of the 'Social Science Lab'. New participants of Honours College Science and Society presented their solution for a current social problem.

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…

What do climate change and traditional Japanese music have to do with each other? A great deal, university lecturer Andrea Giolai suspects. He has been awarded an NWO grant to study the relationship in more depth.

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…