A professor from Leiden University, together with a former employee (who is also the professor’s partner), has been guilty of long-term unacceptable and often transgressive behaviour in the form of abuse of power and manipulation. This behaviour led to a culture of fear among staff who were largely…

On 24 April 2025, political scientist Pawan Kumar Sen will defend his PhD dissertation, "Transforming Nepal’s Political System: Party Positions and Public Opinion (2004-2012)," at Leiden University. His research examines how Nepal’s major political parties navigated key state restructuring reforms—republicanism,…

LUMC Curium and the Dutch National Youth Council (NJR) have been working on integrating young people’s lived experiences of mental health problems in medical research and training. The aim is to broaden doctors' and researchers’ perspectives and improve the care offered.

Vincent Mul is deputy president on the board of The Hague Court of Appeal. Together with Jan Crijns, Professor of Criminal Law and Criminal Procedure, he stood at the cradle of the collaboration between Leiden Law School and The Hague Court of Appeal. ‘By joining forces, we all benefit.’

Smiling faces, a mass dance and a bit of awkwardness: after two ‘corona editions’ of EL CID, the Leiden introduction week is back with a vengeance this year. A total of 3,412 first-year students from Leiden University and University of Applied Sciences Leiden, accompanied by 486 mentors, started EL…

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

Aafje de Roest turned her hobby into her job. She went from a teenager who enjoyed listening to hip hop music to a PhD candidate who focuses on how Dutch hip hop music shapes the cultural identity of young people in the Netherlands.

This year, an NWO PhD in the Humanities grant went to Mink van IJzendoorn, enabling him to investigate the disappearance of amphorae. ‘We take means of packaging and shipment for granted, but they are deeply ingrained in our daily lives; they are crucial.’

Multidrug-resistant pathogens and worldwide pandemics are increasing, making infectious diseases more prevalent. To develop new treatments, deeper knowledge of the interaction between bacteria and human cells is required. Ariane Briegel recently became a Medical Delta professor and studies such path…

For the past year, Anne Wellink represented students' interests on the Faculty Board. As of September, Nova Verkerk will take over. In this interview, the two of them look back and ahead to the future.

‘Be yourself. Be as gay, queer, trans as you can and show the world you exist.’ These rousing words from Looi van Kessel marked the start of the third Pride Leiden for the university boat, with the theme: ‘450 years of being yourself’.

Indigenous philosophies have been ignored for too long. This prompted Osiris González Romero to study the wisdom of the Nahua in Mexico. Their philosophy has an important message for the consumption society: see the earth and nature as living beings and not just as resources. PhD defence 22 June.

Aesthetic attraction plays a big role in orangutans’ mate choice, behavioural biologist and PhD candidate Tom Roth has observed. But to discover just how big that role is, more research is needed into the emotions of the great apes.

Elise Sarton is using her inaugural lecture to give her field of anaesthesiology a chance to take the limelight for a change.

On 12 January ten driven lecturers obtained their Senior Teaching Qualification (SKO). Rector Magnificus Hester Bijl congratulated them in the Academy Building. We asked three of them how the SKO programme had benefitted them, what they think ‘good teaching’ is and what makes them so passionate about…

After various jobs as an archaeologist, alumnus Ruurd Kok became a journalist. For the ‘Traces of Leiden University’ series, he explored the past of university buildings. ‘To me, history is interesting when you can touch it.’

During the award ceremony of the Christiaan Huygens Prize on 16 October, mathematician Rosa Schwarz received an honourable mention. Schwarz, former PhD candidate of the Mathematical Institute, received the mention for her dissertation ‘Logarithmic approach to the double ramification cycle’.

Luckily we’ve been able to meet up on campus again for a few months now after two years of mainly online teaching. Alongside the inconvenience, enforced digitalisation has brought us valuable innovations and smart tools. The question is: what’s going well and what could we do differently? I’d love to…

How should we organise interdisciplinary work within Leiden University? This was the key question at a symposium organised by the Liveable Planet interdisciplinary research programme. Radical ideas, like getting rid of the faculties, came up for discussion.

Last Saturday, the Turfmarkt in The Hague, where during the week thousands of commuters make their way to the many ministries in the city centre, was seething with future young students. It was the Bachelor's Open Day at Leiden University, which took place physically both in Leiden and The Hague. A…

Dennis Broeders, professor of global security and technology at ISGA (Institute of Security and Global Affairs), together with two partners, has been granted a major European project: EU Cyber Direct. Together with EU ISS and Carnegie Europe, ISGA forms a new consortium for 3 years with a total budget…

Free cinema tickets or a step tracker paid for by your health insurance. Some insurers offer rewards to promote healthy behaviour. But does the threat of losing something like a deposit work better? And what do patients think? This is what PhD candidate David de Buisonjé researched.

During Consent is Key Week, we’re exploring ways to eliminate sexual violence within our university community. We spoke to Assistant Professor Mischa Dekker, who specialises in gender-related violence, about how to prevent unacceptable behaviour among students and staff.

Finding solutions to the Israeli-Palestinian conflict is the not-inconsiderable task of the new Peace Academy in The Hague. Professor Maurits Berger and twelve students from different conflict zones are starting a creative thinking process that aims to discover the basic conditions for peace in the…

A new administrative culture. Renewed vigour. More transparency. Will it become reality with the new government? And how do you go about achieving it? By all of us striving to change together: not just politicians, but also stakeholders, civil servants, media, and civilians. That was the conclusion…

Would you like to share your research with the outside world, but don’t know where to start? Approaching the press yourself or posting on social media can seem overwhelming. PhD candidate Elise Filius decided to take the Academic Outreach course.

How do you behave towards patients with life-threatening conditions who do not want to know all the details of the state of their health? This question brought psychologist Liesbeth van Vliet and anthropologist Annemarie Samuels together. It’s an unusual partnership, but their interdisciplinary approach…

Andreas Häuselmann and Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies wrote an article on the legal and regulatory aspects of emotion data and presented it to the Affective Computing + Intelligent Interaction (ACII ‘23) Conference held at MIT. Andreas Häuselmann also hosted…

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…

Theft, prostitution, fortune-telling or murder. Historian Manon van der Heijden and a group of students are researching court records from The Hague from 1600 to 1800. They are tracing crimes and offenders and shedding new light on The Hague’s Gevangenpoort (or Prison Gate). Among their many discoveries…

Presenting requires empathy, knowing the essence of your story and being able to put it into words. And, of course, a healthy dose of self-awareness and self-confidence. This forms the base for the presentation-training course for young researchers organized by the Centre for Professional Learning.…

Sex without mutual consent is a criminal offence. The proposed new Dutch sexual offences law aims to better protect victims of sexually transgressive behaviour. But the key issue is this: the rules of evidence have not changed, so will victims actually benefit from the new legislation?

On Wednesday 9 March, a Faculty meeting about the war in Ukraine was held for staff and students in the Lorentz Lecture Hall. By the time the meeting started at 17.00 hrs, the 220 available seats in the lecture hall had been filled mainly by large numbers of students.

Do you frequently search the catalogue of Leiden University Libraries (UBL) for western medieval manuscripts? Then you must have noticed important changes lately. Some 1800 summary catalogue records in Dutch were replaced by more elaborate descriptions in English. Furthermore, the catalogue interface…

'Consider languages in their shared context.' That is the message of Professor and Arabist Beatrice Gründler, who will receive an honorary doctorate from Leiden University on 8 February. ‘I would like people to learn that Arabic history has a close connection with Europe.’

While health data is essential for scientific research, that data also needs to be protected. In her doctoral thesis, Irith Kist found a balance between protecting the individual and exchanging health data.

Medical psychologist Willeke Kitselaar developed a model that helps identify patients with persistent somatic symptoms earlier, based on an extensive large medical database. ‘I advise GPs to ask patients to fill in a questionnaire about both physical and mental symptoms at an earlier stage.’ PhD defence…

In dermatology, there should be a high level of multidisciplinary collaboration among institutes and specialists, Professor of Translational Dermatology, Robert Rissmann, will say in his inaugural lecture on 8 July. He is building an infrastructure that will put pre-clinical and clinical skin research…

3 October University has become something of a tradition: a bit of science among the Leidens Ontzet celebrations. During the new and improved edition, the WetenschapsWarenMarkt (Science Market), visitors spoke to researchers about the nitrogen problem, making organs and the city’s connections with A…

Thomas Vorisek is a video coordinator. He picked up a new hobby in his student days, entirely by coincidence, and now he makes a living out of it. Thomas likes to spend his free time on the beach.

The skateboarding world was highly enthusiastic about the participation of skaters in the Olympic Games in 2021, although there was also a lot of opposition. Researcher Sander Hölsgens observes that the discussion has now abated and that the Games have had positive effects for skateboarders and citi…

Het faillissement van zorgonderneming Co-Med stelt de curatoren voor dilemma’s. Want wie krijgen voorrang: patiënten, personeel of de schuldeisers? Universitair docent Jessie Pool, gespecialiseerd in het ondernemings- en insolventierecht, pleit voor insolventieprocedures die beter zijn toegespitst op…

No matter how long the queue at Brasserie Science gets: Pilvi Kipper can handle it. Everyone is greeted with the same friendly smile, and chances are the barista already knows your order. Her secret? ‘I make every cup of coffee with love.’

Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.

Whereas ethical research rules were previously mainly associated with the sciences, today they also play an increasingly important role in the Humanities. What are the consequences of this for researchers in the Humanities? And when do you need the Ethics Committee? We discussed this question with Dorota…

Nieuwe medewerkers op de faculteit

We take it for granted that water comes out of the tap and electricity out of the socket. But that isn’t always the case. Last Tuesday began like any other day, with our board meeting in the morning. But things were soon to change.

If doctors could better estimate a patient's chances of survival, this would help in choosing a specific treatment. It would be particularly beneficial for the rare and malignant Ewing sarcoma, which mainly affects children and adolescents. Mathematics professor Marta Fiocco has been awarded a substantial…

Rather than one key and one strong lock, biology often uses tens or hundreds of weaker links to bind parts together, such as cells membranes. This allows for selectivity and also reversibility: the binding can also be undone. Researchers first caught this phenomenon using spheres or colloids, and published…

In the ‘Educatips’ column, lecturers in Child and Education studies share their most important insights on teaching. This month: Tirza Smits, Kim Stroet and Marit Guda observed frustration among students working in groups, often due to poor communication. So they decided to build a tool to help.