More than 40 years ago, a wrecked merchant ship was found in the Wadden Sea. PhD student Geke Burger looked at this archaeological find from a historical perspective.

Three years ago, Associate Professor Alicia Schrikker published 'De vlinders van Boven-Digoel', in which she chronicled several stories about colonial life in present-day Indonesia. Now there is a translation, by Rianti Manullang, who is also an assistant professor at Universitas Indonesia and doing…

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

Children who lost their fathers in early modern England ran the risk of being sold to the highest bidder. Although Shakespeare wrote about it in his plays, the practice disappeared from collective memory for a long time. University lecturer Lotte Fikkers is bringing it back to light in a new Vidi research…

Doing your taxes, Netflixing or driving a car: more and more daily activities are supported by computer applications. It is challenging and expensive to test software thoroughly, leading to errors in most applications. PhD candidate Benjamin Lion made a mathematical framework to deal with this problem.…

How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

Dr Claire Achmad has taken up the role of Aotearoa New Zealand’s Chief Children’s Commissioner from 1 November 2023, for a term of five years.

During the ‘Hour of Remembrance’ on 4 May, the University community remembers its students and staff who were killed in the Second World War. It also looks at freedom and oppression today. Three questions for Sara Polak, chair of the Hour of Remembrance committee.

Goldband, Skrillex, Róisín Murphy and... quantum: the latter may not be a band but is part of the Lowlands line-up nonetheless. Scientists from Leiden University are using the festival for research on the very smallest particles.

An online ceremony, no party and then no signature in the Sweat Room: during the pandemic, many graduation traditions could not take place. Now anyone who graduated in corona time may still come and sign their name.

A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.

A team of Leiden researchers has won the Ammodo Science Award for innovative humanities research on perceptions of cultural heritage.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

De crèche en het klaslokaal zijn misschien wel de meest gunstige plekken voor ziekteverwekkers. Toch is er relatief weinig bekend over hoe kinderen reageren op virussen en bacteriën en hoe het komt dat sommige kinderen veel beter beschermd zijn dan anderen. Simon Jochems, onderzoeker aan het Leids Universitair…

After the death of the Prophet Muhammad, the Islamic Empire expanded at a tremendous pace. Within a hundred years, it stretched from the Atlantic Ocean to the Indian subcontinent. How did such a rapidly conquered territory become one empire? Professor Petra Sijpesteijn has been awarded a Vici grant…

ICT, Security

South African poet Antjie Krog will be the writer in residence at Leiden University in autumn 2021. Krog is famous for her poetry collections and books, which are often inspired by the history of South Africa. In her role as writer in residence, she will give the annual Albert Verwey Lecture and a series…

Lichens enthusiast Sander van Zon was eager to use his knowledge for his internship. He wrote an excellent thesis on lichens’ biodiversity in the city, of which his first scientific publication will appear soon. With it, he is nominated for the Leiden Science Young Talent Award 2022.

Master’s students in Industrial Ecology and Governance of Sustainability have helped answer organisations’ questions about sustainability

Happy New Year!

A team including staff from Leiden University won the Open Initiative Trophy on 11 February, a prize for the best open science initiative in the Netherlands. The winners developed Reprohak, a hackathon-like event where participants repeat research to see whether the results were reproducible.

In July 2023, Leiden University conducted another phase of its ongoing archaeological collaboration with the Kalinago Territory in the Caribbean island of Dominica. Activities focused on mapping and assessing coastal sites impacted by climate stressors, undertaking knowledge-exchange sessions, and co-creating…

How do atoms and molecules end up forming planets? That's what astrochemist Julia Santos studied during her PhD. She discovered the dominant process behind the formation of methanol in space – a finding that surprised the entire field.

CWTS will get a new board of directors for the coming three years, starting on 1 January 2024. The Faculty of Social and Behavioural Sciences of Leiden University has appointed Ludo Waltman as scientific director and Tjitske Holtrop, Wolfgang Kaltenbrunner and Clara Calero Medina as deputy directors.…

Rianne Vink, one of the student counsellors, explains what a student counsellor does.

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

Taking part in TikTok challenges, online gambling, and forwarding nudes. ‘Why do adolescents take online risks?’, psychologist Neeltje Blankenstein wonders. Her research on online risk taking has been awarded a Veni grant by the Netherlands Research Council (NWO). Read her answers to five questions.

The Dutch Research Council (NWO) has rewarded four projects in which Leiden researchers are bringing science and society closer together. What are these projects?

The Netherlands Organisation for Scientific Research has awarded a grant of 750,000 euros to the 'Visualising the Unknown in 17th-century Science and Society' project. Researchers will reconstruct how seventeenth-century scientists recorded and shared their groundbreaking microscopic discoveries. We…

On 16 May 2022, Professor Michel Wouters from the Department of Biomedical Data Sciences at the Leiden University Medical Centre (LUMC), will deliver his inaugural lecture titled ‘Quality of Cancer Care: why the real world matters’. Wouters will use the opportunity to describe how quality registries…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

How do you go about the sustainable restoration of a nineteenth-century ship without affecting its historical worth? Leiden University students from the master’s programme in Industrial Ecology spent six months working on this question. We spoke to Hidde Boom (25) and Tycho Jongenelen (25), two of the…

On 26 November 1940 Professor Cleveringa held his courageous speech protesting against the dismissal of his Jewish colleague, Professor Meijers. Cleveringa was arrested and the university was closed. Every year the university honours Cleveringa with a chair and meetings throughout the world.

Alumna Simay Çetin received the award for her Master thesis: ‘Interpreting Culture through Embodied Practice: An anthropological study of sexuality among Dutch Women with Turkish Migrant backgrounds.’ Nova, Marta, Iris and Emma were awarded for their Fieldwork NL report.

Leiden University is publishing a list giving an overview of its research collaborations with the fossil fuel industry.

As from April 2023 all students at Leiden University, Delft University of Technology and Erasmus University Rotterdam will start using the eduXchange portal to register for a minor.

How should the Quran be read? The manuscript of this holy book makes different interpretations possible. Researcher Marijn van Putten has been awarded an ERC Consolidator Grant of two million euros to explore centuries-old recitations.

The university was a gift from William of Orange to the people of Leiden for their courageous resistance to the Spanish. We’ve all heard the story of the university’s foundation. But its foundation was also a success story for two friends.

Cornald Maas was able to ‘pioneer’ in Leiden. This Dutch Studies graduate, presenter, programme maker and publicist combined an active student life with studying hard.

Playgrounds often fail to accommodate children with autism, according to researchers Carolien Rieffe and colleagues. They have published an essay offering practical advice on how to make all children feel safe and welcome for Autism Week (Dutch) and World Autism Autism Awareness/ Acceptance Day on 2…

Wat is er allemaal te doen rondom de universiteit in Den Haag?

This academic year, we are welcoming several international students who have started studying at FGGA with a prestigious scholarship. We asked them about their background, their reasons for applying, and the application process. Congratulations to all students who have been awarded a scholarship!

How does audio-visual material shape the identity of people when those people do not own their own land and are being oppressed? Bahar Simsek delved into the effect of film on the Kurdish identity. She will obtain her PhD on 4 May.

Promovendus Dorine van Staalduinen deed onderzoek naar de implementatie van Waardegedreven Zorg en ontdekte dat structurele samenwerking nog uitdagend is.

Cooperation is the solution to international problems, demonstrated the final seminar of the Master Honours Class ‘Smart Regional Integration’ – even when it is sometimes easier said than done. “You can see the students struggle with that.”

Can you prove whether a large quantum system truly behaves according to the weird and wonderful rules of quantum mechanics — or if it just looks like it does? In a groundbreaking study, physicists from Leiden, Beijing en Hangzhou found the answer to this question.

Huiselijk geweld is een ingrijpend probleem in Nederland, met jaarlijkse fatale gevolgen. De impact gaat verder dan alleen de slachtoffers zelf en raakt ook nabestaanden en de samenleving als geheel. Tot nu toe/Momenteel ontbreekt het echter aan een gestructureerde manier om fatale gevallen systematisch…

On 18 January 2025, the Annual Reconnect & Gala of the Advanced MSc International Relations and Diplomacy (MIRD) celebrated over 20 years of bringing together current MIRD students, alumni, and faculty members. This year’s discussions focused on the theme: 'The Future of IR: Digital Innovation, Climate…

Dr Alex Geurds was elected as a Fellow for the Society of Antiquaries, a prestigious and old educational charity based in London. Established in 1707, the society aims at the encouragement and advancement of the study and knowledge of the antiquities.

As of this month, Kim Bonger has been appointed Professor of Chemical Biology. As a first-generation academic, she’s especially grateful. ‘I wasn’t exactly a top student at school. I never could’ve imagined this.’