On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

No two pandemics are ever the same. The current coronavirus crisis, for instance, is clearly very different from the deadly plague outbreaks in the 14th and 15th centuries. Can historians learn anything from the coronavirus crisis? And what can we learn at the moment from historians? These are questions…

Impossible Situations: Concerts in the Making recounts the journey of a group of artists including performers, composers, an architect, a photographer and a sound engineer, as they explore different ways of making music together.

Hoe kijken Nederlandse bedrijven naar online prijsdiscriminatie? Kimia Heidary, Bart Custers, Helen Pluut en Jean-Pierre van der Rest schreven hier een artikel over.

From a queer art exhibition to a podcast about people with disabilities, the JEDI Fund this year again honored several projects that contribute to diversity and inclusion.

After 2.5 years as defence minister, it is time for Kajsa Ollongen to hand over the baton. In front of a packed audience, she gave her farewell speech at Leiden University in The Hague on Tuesday, which included personal lessons and memories, from sleeping on the ground with the prime minister to the…

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

In the world of Ancient Greece the interpretation of supernatural signs was a versatile tool to facilitate decision-making. This is the central hypothesis of the PhD dissertation of historian Kim Beerden. Defence on 14 February.

From 14 to 15 September 2023, Simona Demkova, AI researcher at the Europa Institute, participated in the INDIGO Project Final Conference, where she provided valuable perspectives on the implications of AI for European public law.

Urban green infrastructure has the ability to make make cities more sustainable. However, the exact implementation of green infrastructure and the choices that must be made during implementation, are still topic for discussion. In the Future Cities podcast, environmental scientist Joeri Morpurgo chats…

The three-day conference will be held at the Ministry of Antiquities in Cairo from the 29th of September until the 1st of October 2019 with the title: The Walking Dead II: The Making of a Cultural Geography. It is organized by the Dutch National Museum of Antiquities (RMO) and Leiden University.

What is the best way for us as a society to deal with all the different forms of diversity? Professor Marlou Schrover will use the EuroScience Open Forum (ESOF) to explore this question with colleagues and the public.

In an innovative study, Radboudumc and LUMC jointly tested a candidate vaccine based on a genetically weakened malaria parasite. The results of this clinical trial, published in Science Translational Medicine, show that the vaccine is safe and elicits a defense response against a malaria infection.

A collaboration between linguists, geographers and anthropologists aims to uncover how languages spread across South America over thousands of years. Associate Professor Rik van Gijn is responsible for the linguistic side of this NWO project.

PhD defence

PhD defence

PhD defence

Claire Vergerio, political scientist at Leiden University, has been awarded a VENI grant by Dutch research organisation NWO. This will allow her to conduct an in-depth analysis of the legal rights and duties of non-state actors involved in warfare. The aim is to tackle some persistent blindspots in…

Tineke Schutte made her debut as beadle at Maartje Schoorl's inaugural lecture on 29 April. A unique moment because she's the first female beadle in the history of our university.

The importance of digitalization has become even more evident during the Corona crisis. Society and the Dutch economy are therefore rapidly digitizing. This calls for a good balance between seizing opportunities and reducing risks.

The Dutch government will be unable to make wearing face masks mandatory in public spaces in the short term, according to three constitutional and administrative law experts in NRC newspaper, including Wim Voermans.

Inaugural lecture

Scientists need individual photons for quantum cryptography and quantum computers. Leiden physicists have now experimentally demonstrated a new production method. Publication in Physical Review Letters on July 23rd.

In this article, Marco Cinelli, assistant professor at Leiden University College The Hague, examines proper and improper uses of Multiple Criteria Decision Analysis (MCDA) methods in energy systems analysis.

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

No more smelly lorries disposing of building waste or delivering building materials to the centre of Leiden. That’s Leiden University’s ambition for its future renovation or construction projects in the city centre. Electric boats should make the process cleaner and less inconvenient for the people…

Understandably, coronavirus is often viewed from a medical perspective. However, researchers in the social sciences and humanities possess a great deal of expertise that could improve our understanding of the virus outbreak and its impact on society. A new portal is consolidating this knowledge.

The European Commission published new plans on artificial intelligence on 19 February. According to Holger Hoos, professor in Machine Learning at the Leiden Institute of Advanced Computer Science (LIACS), Bart Verheij (Rijksuniversiteit Groningen) and Jeroen van den Hoven (Technische Universiteit Delft)…

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

The Department of Medical Microbiology of Leiden University Medical Centre (LUMC) will investigate the efficacy of a new experimental vaccine from the pharmaceutical company Jansen against the coronavirus. The research is being conducted in collaboration with the The Janssen Pharmaceutical Companies…

Since 2009, at ACPA, 86 candidates received their PhD in Creative and Performing Arts. On this page you will find an overview of ACPA's alumni.

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

It was a huge task, but it was worth it: Marieke Liem and her research group have completed a database of all murders committed in the Netherlands over the past 25 years. She will share their initial findings in a three-part lecture series organized by Studium Generale. ‘Beggars kill other beggars;…

Arnold van der Valk on Food Council MRA.

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Two Vidi subsidies for Faculty of Archaeology.

Political scientist Rebekah Tromble (Leiden University) has been appointed as an academic advisor to the Social Science One research commission. She will assist the commission in its new partnership with Facebook, which aims to facilitate in-depth studies of the role of social media in elections and…

Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…

The Leiden Leadership Programme is going to innovate. After 12 years, the honours track for master’s students will get a new set-up. We asked two of those involved about the ins and outs of the new LLP. ‘You learn what leadership style suits you and how to make an impact.’

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

Despite the field’s general agreement that pyrotechnology had a significant impact on the cultural evolution of humankind, our understanding of the origins and development of fire use and its role in humankind’s cultural evolution is very limited, blurred by strong disagreements over its chronology…

To achieve societal impact, you need to do more than solely writing academic articles. That's the idea behind the Master Honours Class 'Leiden Revisited', in which students demonstrated with art how residents at the outskirts of Leiden experience the city. 'It's the perfect way to start the debate.'

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

Astronomer and science communicator Pedro Russo is awarded the K.J Cath Prize and € 2,500 for his outreach efforts that bring science to the general public. ‘There are so many bright scientists, and so few people communicating about science.’

It takes years to develop new medicines, from the test tube to trials in humans. During the process it often happens that a drug that seems promising in the initial stage has to be dropped in a later phase. This costs time and money. Leiden University and the LUMC are working closely together to make…

Leiden University's interdisciplinary research programme SAILS funds young interdisciplinary scientists working at the intersection of AI and other fields. Researcher Matthijs Westera talks about his experiences working within SAILS and the Leiden academic community.

The government spends millions regulating companies that work with large quantities of hazardous substances. But we don’t know whether this is making the industry safer. The number of violations and incidents remains constant. This is the conclusion of external PhD candidate Rob in ’t Veld in his dissertation.…

‘My lectures have to be as enjoyable as possible for the students, even when they're about the drier parts of maths.' Robert-Jan Kooman is one of the nominees for the LUS Teaching Prize.

Theoretical research does not always give us the right solution to a problem in society. This message, loud and clear, is delivered during the final presentations of the Master Honours Class 'Social Innovation in Action'.