Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

As the father of a family with four children, he already visited the Hortus regularly. Now Tom Schreuder also comes there for his work. Every day he travels from Lisse by bike. The new Director Operations calls it a ‘perfect match’.

Webinar, Q&A, discussion

With its Green Deal The European Union has set itself much-needed ambitious climate goals. But the energy crisis and geopolitical tensions are making these difficult to achieve. Seven researchers from the Leiden-Delft-Erasmus Universities (LDE) alliance have written a white paper offering solutions.

Webinar, Q&A, discussion

‘We could share our knowledge more with others and apply it more widely,’ said Annetje Ottow, President of the Executive Board, while presenting the new Strategic Plan on the University’s 447th Dies Natalis. The new Strategic Plan therefore focuses on innovating and connecting, among disciplines and…

Leiden University’s Master’s in Advanced Studies in International Dispute Settlement and Arbitration is one of the 15 ‘excellent master’s programmes’ at Dutch universities. This is according to the Keuzegids consumer guide to master’s programmes for 2025.

We talk with Sophia Dittmar about starting a career in Psychology. Dittmar is currently studying the master's specialisation in Economic and Consumer Psychology at Leiden University. We talk about what she learned from her internship, why she switched masters and how to get the most out of an internship.…

During adolescence, some young people have stable best-friend relationships, while others change best friends frequently. Developmental psychologist Lisa Schreuders has studied the brains of young adolescents: ‘It seems that friendships in your early years can have consequences for your friendships…

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

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…

Organisations like the UN and the EU should be given more powers to combat transboundary problems. This is the message of a report published by the Swedish SNS Democracy Council, whose authors include Prof. Jan Aart Scholte of Leiden University. The researchers also wrote the following article.

Alicia Schrikker doesn't usually get involved in urban history. As a senior lecturer, her research field is generally the colonial history of Asia and partly South Africa. So, the fact that she is going to carry out an urban history research project together with colleagues, is something that even she…

Leiden researchers have developed a groundbreaking model to advance cancer immunotherapy. Using a 3D printer, they create mini-tumors within an environment that closely mimics human tissue. They have also developed a method to monitor real-time interactions of these mini-tumours with immune cells during…

High sensitivity, or sensory processing sensitivity, is increasingly discussed in popular media, but what does it actually mean to be highly sensitive? In this episode, Véronique de Gucht, associate professor at Leiden University, shares her expertise on this topic.

The English-language interdisciplinary minor ‘AI and Society’ explores the role of artificial intelligence in our society. The interdisciplinary nature of the minor is proving beneficiary for students and lecturers alike. We sit in during a class.

Just Peace Festival

Webinar, Q&A, discussion

Webinar with Q&A

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

Leiden criminologists have co-developed an artificial intelligence technology that tracks firearms incidents by scanning over 350 news sources.

They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.

Two Leiden University science communication projects have been awarded a WECOM grant through the Dutch Research Agenda (NWA). One project is a study of the history of the deaf community in the Netherlands and the other is of a condition that causes people to lose their way.

With the rise of AI, interest in computational linguistics and language models has taken flight. But machines are far from being able to go it alone. In her inaugural lecture, Professor Carole Tiberius will stress the importance of research on word combinations. ‘We know a great deal but there is a…

‘AI can’t do half as much as people think,’ says computer scientist and psychologist Roy de Kleijn. He tries to teach robots seemingly easy things, and keeps on discovering how smart human intelligence really is. Three things that computers are no way near doing.

The new Dutch government must act quickly to take rapid, far-reaching measures in three specific regions to tackle nitrogen emissions. This will create the space for a long-term strategy to deal with other urgent problems and the knot of obligations that the state will need to untangle. These are the…

Artificial intelligence can help doctors analyse images such as MRI scans. In future it may even be able to predict how a tumour will grow. And that is badly needed to relieve the pressure on healthcare workers.

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Historians recently started preliminary research on Leiden University’s role in colonialism and historical slavery. Our knowledge about this is too limited and fragmented. They are looking with fresh eyes at Leiden’s archives and collections. An interview with historians Alicia Schrikker and Ligia G…

Webinar with Q&A

Can you only have psychedelic experiences by taking magic mushrooms? Not according to Aidan Lyon, philosophical researcher at the Institute of Psychology. In this episode, he explains other ways through which we can reveal our minds in insightful ways.

We have the pleasure of hosting organisational psychologist Fieke Harinck. Fieke is an expert on negotiation, communication skills and improvisation and co-author of the book ‘The Art of Presenting’. She shares invaluable insights and advice on how to deliver impactful presentations that captivate your…

When we think of ageism, we often think of discrimination against older adults. However, ageism occurs across the entire lifespan; in the tech world, for example, being "old" can start as early as 35. In this episode, Dr. Ittay Mannheim joins us to discuss the intersection of ageism, digital technology,…

Cosmologists can measure with increasing precision how the universe is expanding and changing. This is producing unexpected results and causing cracks in our picture of the universe. At the ESOF session The Dark Side of our Mysterious Universe, cosmologists, astronomers and philosophers will discuss…

Mariska Kret, Professor in Cognitive psychology has been awarded the European Research Council (ERC) Public Engagement with Research Awards 2022. Kret convinces the jury with 'RecognizeYourself - Bringing science to the zoo. Involving the public into the study of great apes emotions'.

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

Teens with depression appear to be more sensitive to criticism from their parents than their healthy peers are.

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Tuberculosis bacteria survive by hiding in our immune cells. In her PhD research, biologist Salomé Muñoz Sánchez explores how boosting the body’s own defenses might outsmart this deadly pathogen. Her work reveals two key proteins that help immune cells destroy the bacteria.

A wind turbine near your home? The energy transition is not seen as just by all parties concerned. It’s essential to involve local residents, argues Emma ter Mors, social psychologist. As a researcher, she focuses on identifying factors that influence public acceptance of energy technologies. Isn't…

All over Europe you will find ethnographic museums with large collections of indigenous objects from Latin America. These collections shaped the image of native populations in the European mind. An ERC Starting Grant allows Dr Martin Berger to look at the bigger picture, contextualizing individual collections…

Conference, D&I Event

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.