Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This increases tenfold the number of known “runaway stars” in this region. The team of astronomers,…

For more than twenty years, Johan Visser has served as a family and juvenile court judge in The Hague where he is also a board member. Once a student at Leiden Law School, he reflects here on his student days and career.

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?

Giulio Barbero and Matthias Müller-Brockhausen did their PhD research at the Leiden University Game Research Lab.

In Indonesia, some Muslim preachers are TV stars with massive followings. Syahril Siddik studied how they operate and how their viewers react. On 9 November, he successfully defended his dissertation in Islamic Studies.

Several years ago, two amateur archaeologists from Brabant discovered over a hundred Roman coins near to Berlicum in the north of the province. After years of research, it now appears that the location, close to a ford in the river, was a site for offerings. Another interesting fact is that the coins…

Anthropologist Rodrigo Ochigame studies how AI is changing the practice of scientific research. From astrophysics to mathematics to climate science, they find that the adoption of new AI models is raising questions about what counts as reliable scientific evidence.

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

The availability of natural resources, the energy transition, the importance of circularity and our dependence on China. This and more is what Professor of Industrial Ecology René Kleijn's inaugural lecture is about.

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.

‘What I find most alluring about soil life is that you can steer it,’ researcher Martijn Bezemer of the Institute Biology Leiden (IBL) reveals. ‘You can ask: What do you want? And then I can transform the soil into something you need. At least, that is what we thought.’

From the birth of the universe to the molecules in a planet's atmosphere. The first five pictures from the James Webb Space Telescope (JWST) show the enormous range in which the space telescope can operate. Ewine van Dishoeck, professor of molecular astrophysics, took a look at the first images Tuesday…

In the Educatips column, Psychology lecturers share their most valuable insights on teaching. This month: Laura Nawijn and colleagues are designing an e-learning programme to improve the thesis supervision of clinical psychologists. ‘You don’t want to hold students’ hands, but you do want to give them…

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

What if I completely changed everything? A subject without lectures or exams, where the right answer is not important and where students work with their hands. With this idea, Michiel Brentjens reformed the course Radioastronomy. His students are so enthusiastic about this approach that they nominated…

The Educational Advice and Quality Assurance department of the Faculty of Humanities has evaluated 38 recent educational assessments. What can we learn from the course of these inspections?

Sharing knowledge based on research within organisations presents a challenging task. How can this be done effectively? What steps should be taken to ensure that knowledge obtained from research is shared and applied in the organisation's daily practice? On 8 May, the Leiden Leadership Centre (LLC)…

How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…

Leiden University is switching to a new system for HR, finance and purchasing on 1 January 2026, after 27 years of using SAP. We spoke to Wouter Peters, Director of ASSC and Programme Director of BAS, about what this means for the university and you as a member of staff.

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

How you think about yourself is important for the choices you make. Adolescents are faced with choosing a study programme that will determine their future, while their self-image is still under development. Tough choice? Research by psychologist Laura van der Aar has shown that taking a training course…

Ward Hoskens started ten years ago as an intern at one of Leiden's most iconic buildings: the Pieterskerk. Now he is doing his PhD on the question of how the function of this 'church that is no longer a church' changed over recent centuries.

Leiden University publishes the highest percentage of preprints in the Netherlands. Why is that and why post your article online before it has been peer reviewed? Professor of Quantitative Science Studies and keen preprint poster Ludo Waltman explains.

Walter Gam Nkwi is lecturer at the Institute for History, University of Leiden since 1 September 2019. He also lectures at the Den Haag campus. Walter introduces himself below.

Governments and public sector organisations consider evidence-based or evidence-informed policymaking as one of the pillars of good governance. That is to say: policies that are informed by scientific knowledge, expertise and evidence. In the research programme 'Power of Evidence', Valérie Pattyn and…

Do you have an innovative idea on how to improve education, but don't know what steps to take next? The Comenius programme offers a range of grants for educational innovation. A lecturer and policy adviser explain which doors the grant can open.

Julie Külsen is the student member on the Faculty Board, called the assessor, this academic year at Leiden Law School. Who is Julie and what does the assessor actually do? How can she help students? Let’s meet our new assessor!

There’s been a lot of commotion about the ‘Apartheid in Israel’ panel discussion being cancelled. The organisers, Students for Palestine, wanted to hold this at Leiden University’s Wijnhaven building in The Hague on 21 March. The Executive Board would only allow the event to go ahead if guarantees…

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.

Extremely painful chronic cluster headaches – sometimes referred to as ‘suicide headaches’ – can be prevented by stimulating the occipital nerve in the back of the head, according to research conducted by Professor Emeritus of Neurology Michel Ferrari from Leiden University Medical Center (LUMC). The…

What is it like to study law in the Netherlands as an international? Alumnus Heidi Burrows came to the Netherlands from the UK to study International Children’s Rights, an Advanced Master’s Programme. We asked her about her experiences with this unique programme.

A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.

The description of a painting directly affects how children look at that artwork. This was discovered by psychologist Francesco Walker in the Rijksmuseum. Another finding presented in his article in Nature - Scientific Reports is that giving children information intended for adults has the same effect…

For many a first-year, student life has well and truly begun. This also applies to students in The Hague, who were thrown in at the deep end during the HOP introduction week. We paid them a visit on a sunny afternoon at Landgoed Clingendael.

For a while, it was uncertain whether prominent American politician Nancy Pelosi would travel to Taiwan. But last Tuesday, she did visit – much to the displeasure of China. Asia expert Casper Wits explains why China reacted so strongly and what the consequences of the visit may be.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

‘We want to say something very different from the norm. We are the radicals now.’ Tahir Abbas is lyric about the DRIVE project he will be leading from Leiden University in The Hague. This is a short introduction to the research that will be carried out in the Netherlands, Denmark, Norway and the United…

Lack of money impacts how a person takes financial decisions: now or preferably later. Procrastination and avoidance behaviours in turn have an effect on lack of money, which can result in a sense of loss of control. These are the findings of psychologist Leon Hilbert in his PhD research, although the…

Designing innovative algorithms, thinking outside the box, and brainstorming over coffee with his colleagues — this is what physicist Stefano Polla enjoys most. His success shines through in his nomination for the C.J. Kok Jury Award 2024 for PhD thesis of the Year.

A team of researchers from Young Academy and the Huygens ING/NL Lab has brought a three-century-old fragrance to life based on a recipe by Constantijn Huygens. The fragrance makes the past more tangible and can help people experience history differently.

We are already halfway through the academic year 2022-2023. And the Faculty Council hasn’t been sitting around doing nothing! Staff members Gert-Jan Lelieveld and Tim Mickler give us an update about the Vision and Strategy Plan and what they are doing in the additional hours available for Council wo…

The youngest institute of the Faculty of Science has had a real growth spurt in recent years. It is up to Martina Vijver as the brand-new scientific director to secure that growth and further develop CML. 'This is a challenge that I am really looking forward too,' says Vijver. 'Together with my colleagues…

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

On 25 November, the global 16-day campaign 'Orange the World' against violence against women and girls started. Leiden University will also be paying attention to this campaign. On Friday 9 December, Renate van der Zee and Marieke Liem will give a lecture at the Campus The Hague (Spanish Steps, Wijnhaven)…

Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

Is it ethical to freely redistribute photographs taken in colonial contexts, historically and today? Christoph Rippe, PhD-candidate Cultural Anthropology, suggests that people might not have been always fully aware of what happened to their photographs after they were taken. 'But nowadays, with the…

Interview with Pieter Slaman who received the LUS Education Prize. What makes the award so special to him and does he already know how he will use his prize money?

Laura van der Plas has been Wellbeing Officer for the Campus Den Haag since the end of 2021. By means of various projects, she makes sure that more attention is given to student wellbeing. How are things going so far? And what are these projects exactly? Laura talked to us to give us an update.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.