When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

Donororganen zijn er nooit genoeg. De organen die wel beschikbaar zijn, moeten vliegensvlug getransplanteerd worden. De geneeskunde zet daarom volop in op het langer goedhouden van organen. Marlon de Haan (24) onderzoekt hoe je nieren buiten het lichaam in leven kunt houden.

Workshop | TEAL series

Before patients can take a pill, scientists often spend years in the lab developing and testing a candidate drug. That often includes experiments with laboratory animals. As head of the rodent facility, Ilze Bot and her colleagues ensure that these experiments are conducted in an ethically responsible…

The AtheroNeth consortium received €6 million from the Dutch Heart Foundation to gain a better understanding of the differences in disease progression among patients with atherosclerosis. The ultimate goal is to enable personalised treatment.

The secular West is struggling with the rise of AI, but so too is Muslim Southeast Asia. What can we learn from each other?

Leiden University and the Municipality of The Hague signed a collaboration agreement on sustainability on 1 November. Their main goals are to build a network, share knowledge and explore the possibilities of a Climate Centre for the people of The Hague.

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.

Ten years later, a group of veterans still struggle daily with the effects of their deployment to Afghanistan. Sanne van der Wal, a PhD candidate at the Leiden University Medical Center (LUMC), conducted research into the effects of PTSD.

On 11 November Professor of Gastroenterology and Hepatology, Monique van Leerdam will deliver her inaugural lecture entitled, ‘Aiming for Prevention’. Van Leerdam, who specialises in hereditary tumours, was appointed professor in July 2020. In her inaugural lecture she will discuss the importance of…

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.

What practical steps can we take to resolve cross-border claims to looted art and prevent illicit trafficking in cultural goods? That's what the European Parliament asked Leiden legal scholar Evelien Campfens. Her advice: develop a registration system, issue art with a ‘passport’ and set up a European…

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

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The new minor ‘The (un)just society’ will start in September 2024. We asked Judi Mesman some questions about this new minor.

Frederica Mogherini, Rector of the College of Europe, visited Campus The Hague on 23 November for the official launch of the Europe Hub. This new interdisciplinary platform for research and teaching at Leiden University focuses on the social and governance challenges facing Europe.

'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

The new interdisciplinary bachelor's program in Science for Sustainable Societies starts in the 2025-2026 academic year.

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

We do it every day but barely give it a thought: chewing our food. But the ‘simple’ process of masticating food may have played a crucial role in the evolution of our jaws, facial muscles and teeth.

Geopolitiek, klimaat, pandemieën, migratie, AI, genderpolitiek: de wereld van vandaag verandert in in meerdere opzichten. Hoe ga je als bestuursorganisatie om met deze veranderingen? Dat was het thema van de tweede internationale conferentie van het Leiden University's Global Transformations and Governance…

Alumni event, Lezing

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Lecture, Teach-In Series on Palestine and Israel

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Book launch

Archaeology is the only science that allows us to study the material traces left by most of human evolution. But what happens when we bring philosophy into the picture? A new series of papers demonstrates how philosophical reflection can enrich archaeological research - especially when grappling with…

In a one-hour interview on Dutch radio programme Sleutelstad, Anne-Laura van Harmelen talks about her research into the role friendships in adolescents' well-being, the resilience paradox and the role of social, hormonal and genetic factors in stress-levels and resilience.

Professor Pieter ter Keurs has spent his entire career studying collecting. Now, he is retiring. ‘I hope the focus on collections will carry on.’

Suzan Verberne has been appointed professor of Natural Language Processing at the Leiden Institute of Advanced Computer Science (LIACS) from 1 October. Verberne has been at LIACS since 2017 as group leader of the Text Mining and Retrieval group.

During the event 'Fout?' by De Jonge Akademie, Ellen de Bruijn held a lecture about the social context of making mistakes and the psychological elements of learning from it.

A delegation from Leiden University visited the Netherlands Institute Morocco (NIMAR) in Rabat at the end of February.

Spatial technology such as virtual reality can help patients who have difficulty with spatial cognition, for instance if they keep on losing their way. In her inaugural lecture, neuropsychologist Ineke van der Ham will talk about the importance of avatars, the patient experience and room for innovat…

Katharina Natter of the Institute of Political Science has been awarded the 2025 IMR Book Review Award for her book on migration politics in Morocco and Tunisia.

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

Each year a staggering 18 billion chickens, turkeys, pigs, sheep, goats, and cows either die or are killed without making it onto someone's plate. Environmental scientists Juliane Klaura, Laura Scherer, and Gerard Breeman were the first to calculate this number on a global scale. 'Reducing these numbers…

Climate and human rights will again become major issues on the world stage by the end of 2023. The new series of lunch seminars by the interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) seamlessly tie into these events. All Leiden researchers and students are…

On 2 November, nine professors were simultaneously inaugurated as ‘Medical Delta Professor’ at Leiden University, LUMC, Delft University of Technology, Erasmus University and Erasmus MC. With an appointment at a minimum of two of these five academic institutions, they combine technology and healthcare…

It’s often said that citizens have lost trust in their governments. But who exactly are these ‘citizens’? And which aspects of people’s contact with government agencies work better than others? These questions will be discussed at the Crafting Resilience conference (working language is English) on…

They never cross our minds until, that is, they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, PhD candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.