Better pay and new agreements with streaming platforms: the actors’ strike that brought Hollywood to a standstill a few days ago is mainly about money. But there is something else that film actors are worried about: the increasing use of Artificial Intelligence. Is this fear justified?

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.

On 22 September, LUCSoR alumnus Bas van Rijn successfully defended his PhD dissertation entitled “The Experimental Culture of Afterlife Research: Attempts by Spiritual Animal Magnetizers to Prove Life after Death” at Universität Bern, Switzerland. The PhD project was part of the of SNF research project…

Alumni and researchers met at two well-attended alumni dinners in Yogyakarta and Jakarta. The alumni reminisced about their time in Leiden and got to see their lecturers once again.

The exhibition Leiden celebrates – 450 years of parades at Museum De Lakenhal shows how parades and society have changed through the centuries. Alumnus and historian Danielle van Goethem worked on the exhibition. She gives a preview.

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.

Minister Dijkgraaf van onderwijs wil het aantal internationale studenten terugdringen. Maar mag Nederland dat wel? En zo ja, is het ook wenselijk? Deze vragen behandelde Mark Klaassen, universitair docent bij het Europa Instituut, tijdens de slotbijeenkomst van het Honours College Law op 12 juni.

What starts off gently may end dramatically. Many young people these days fall victim to sexual exploitation. How can we prevent this suffering? Ieke de Vries points to the living environment of (potential) victims.

Thirteen teams of inventive staff rose to the challenge of creating brand-new AI applications to lighten their workload during the AI Cocreation Lab. At the closing ceremony in the Academy Building, participants showed their pitch films, and an expert jury announced the winning prototypes.

There are as good as no clear rules for the return of stolen art. This means that rather than in court, many cases are decided in the political arena instead. In her PhD research Evelien Campfens suggests how this could change. PhD defence on 11 November.

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…

Banquets for the rich, porridge for the poor and a standard diet of bread, olive oil and wine. Just a few assumptions about the Roman diet.

Black-and-white photographs filled with solemn young men and distinguished professors line the walls of the Grand Auditorium. Young women are missing from the photos; women rarely obtained PhDs 50 years ago. And this article is about that group, the PhD candidates between 1966 and 1972, who were invited…

‘Safe working is a form of professionalism,’ says Hugo M. Nijhof, head of the Health and Safety department. Starting next year, there will be more focus on this topic. New opening hours will be introduced for the buildings, along with new rules for working outside office hours. Nijhof: ‘Together, we…

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

Karwan Fatah-Black and Lauren Lauret are co-authors of Geketend voor Hollands Glorie (The Chains of Holland’s Glory) that studies the political and economic connections between South Holland and slavery. The findings of this research will be presented with Dr. Joris van den Tol (Radboud University)…

Traditional school tests, like the Dutch CITO, largely reflect students' existing knowledge and abilities. However, dynamic testing sheds light on students' learning potential, discovered Mirjam de Vreeze in her PhD research. This approach is especially promising for children with learning challenges,…

Together with students and local residents, historians Ariadne Schmidt and Alicia Schrikker researched the Leiden Transvaal neighbourhood. They will present their findings on Thursday 20 October, at a specially organised mini-festival in the neighbourhood.

Associate Professor Robert Heinsch went on a staff exchange to the United States from January to April 2025. He enjoyed the challenge of teaching in a creative and more personal way. ‘I fully immersed myself in American teaching culture.’

After nearly a year-long process, the new collegial institute boards within our faculty's institutes are ready to begin. This marks the implementation of a new, modern, and contemporary way of management. Nearly all roles within the institute boards have been filled, with recruitment for some positions…

Everyone has heard arguments like this before as a child: ‘Whether you like it or not, you have to go to school!’ It seems as though you are presented with two options, but there is only one real outcome. Charlotte van der Voort of the MA Dutch Studies won the Leiden University Thesis Prize on her research…

Rapid developments in DNA techniques allow researchers to find out more and more about human genetics. An international group of scientists has drawn up five ethical guidelines to ensure that this DNA research is better regulated. Leiden archaeologist Marie Soressi – one of the signatories - explains…

As a twelve-year-old girl, Nicky van de Beek became intrigued by the tomb chapels in Saqqara, Egypt. Now she is doing her PhD on them, just like another Leiden Egyptologist decades earlier. Herta Mohr persevered with her research during World War II. Now she is the namesake of the first Leiden building…

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…

Joining forces HR HRM Finance FEZ Mariska Costeris Gertia Knorr

Martine van Trigt, Head of Research Affairs, discusses how her team supports researchers with their research.

No less than six Leiden projects received a grant for quantum research from the national growth programme Quantum Delta NL and the NWO. After all, in order to boost quantum technology not only industry is needed, but also science. Research towards new sensors, faster algorithms and quantum materials,…

Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

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…

Organisation

The university makes staff aware of the importance of cybersecurity at work. And that is essential, say our privacy and security officers. Because the number of cyberattacks is increasing, hackers are getting smarter all the time and by far the majority of problems are caused by human error. ‘Is that…

At the entrance of the Van Steenis building you may now visit an exhibition on material culture. Unexpectedly, it does not display pottery or tools, but building materials. And recent ones at that! Check out the exhibition on Legos lost at sea, conceived and assembled by PhD candidate Maia Casna. ‘These…

Since the end of May, the faculty AI working group has set to work under Marije Schneider’s guidance. Drawing on recommendations from the university’s working group AI in Education (AIED), the team is eager to make headway on actual applications in our teaching, research and organisational practices…

After a successful career as a singer, Esmee Schoones started studying French a few years ago. It resulted in a national award for her thesis on musical arrangements of Verlaine's poems and a job teaching French.

Physicist Remko Fermin from Leiden University was awarded a Rubicon grant from NWO. He will use it to study superconducting diodes that could contribute to reducing the CO2 emission of data centres.

Since graduating from Leiden Law School with master’s degrees in Jurisprudence & Philosophy of Law and Criminal Law, alumnus Allard Altena now works as a Public Prosecutor at the Dutch Public Prosecution Service. He says, ‘I leave work at the end of each day knowing I’ve done something useful.’

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.

International courts and tribunals depend on state funding, creating a potential risk of undue state interference in judicial processes. In her doctoral thesis, Maria Manolecsu explores mechanisms that safeguard judicial independence, ensuring that courts can adjudicate without external pressure or…

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

Prof. Andrea Evers is a health psychologist who studies the role of behavioural factors in health and disease. As a Medical Delta Professor, she is now affiliated with Leiden University, TU Delft and Erasmus University. In that position, she conducts research at the intersection of various disciplines.…

Americans are electing a new president in November but they also have other choices to make in the polling booth. Alumnus Sanne Rijkhoff works at a Texas university and is trying to help make students more aware of the elections.

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.

With ongoing protests across Iran, many are asking whether the regime is on the brink of collapse. Three Leiden experts share their perspectives.

De onderzoeksteams zijn opgezet, samenwerkingen zijn gestart, projecten afgetrapt, de eerste startsubsidies zijn binnen en de websites zijn in de lucht. Het stimuleringsprogramma Citizenship, Migration and Global Transformations, dat bestaat uit de twee pijlers Social Citizenship and Migration en Global…

The field of artificial intelligence has developed rapidly in recent years. We spoke with Stephan Raaijmakers, professor by special appointment in Communicative AI, about the impact of artificial intelligence and why everyone should pay more attention to developments in this field.

Alumnus Rennie Roos lives and works in Indonesia. What took him there, what does he do there and what inspires him?

Bankruptcy fraud is not being combatted effectively. When the trustee finds irregularities, the fraudster is not always punished. Politicians and the court case involving fashion chain Miss Etam’s ‘rescuer’ have rekindled the debate on bankruptcy fraud.

Moving an electron microscope of 2000 kg is a delicate challenge. The highly sensitive instrument needed to be moved to a new measurement hall, but even a tiny bump could damage it. After a few nerve-racking weeks of preparing the move and reinstalment, the researchers finally have a verdict: the instrument…

During pre-Columbian times, the Central American isthmus was marked by dynamic exchange and human mobility. Despite this, indigenous communities were archaeologically stable between AD 300 and the 16th-century Spanish colonisation, contrasting with the cycles of florescence and decline of neighbouring…