Some examples of AI-research done at Leiden.

Leiden experts examine European legislation and ways in which better European legislation lead to citizens' support.

The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…

More and more medicines are becoming available that target a tumour’s specific traits. The use of chemotherapy is continually undergoing improvement.

Management of Impacts on Biodiversity: What are the effects of light pollution from cities and bridges and noise pollution from passing vessels and nearby road traffic on migratory fish passage and spawning in rivers?

Research report January 2020. Supported by the lectorate ‘Music, Education and Society’, research group ‘Making in Music’, Royal Conservatoire The Hague

The End Of Our Fifth Decade. Corrie Bakels & Hans Kamermans (eds) (2012)

Learning from nature and utilizing microbial biodiversity to identify and characterize enzymes for degradation and upcycling of plastics and other polymeric materials.

These are the proposed research projects for LEAPS 2019. Please note that not all projects will go ahead and some may still be added in the near future. Final funding decisions lie with the Faculty sponsors. And please make a note that if you are interested in an ESA project, to check if your state…

To what extent do beginning teachers use, create and claim agency at their school?

Leiden University seeks to bring knowledge, academic top talents, and resources from Leiden and China together in mutually beneficial joint research projects that are content-driven, based on existing excellent research.

Callum is from Ireland, Sharitah is from The Hague and Kirsten is from Manilla. The new students taking part in the HOP week from 19 to 23 August come from all corners of the world. The HOP week is the introduction week for students at Leiden University in The Hague. The diversity of the student population…

An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…

The Faculty of Science has received no less than seven Veni grants this year. Camila Correa, Max van Duijn, Stéphanie van der Pas, Sergii Pud, Mónica Varela Álvarez, Joseph Callingham, and Melissa McClure will receive a maximum of 250,000 euros to further develop their own research ideas over a three-year…

What are the implications for life on Earth of the declining numbers of insects? How does the ever increasing stream of of energy and material flowing through our cities impact the global environmental ? Find out the answers to these and more questions on sustainability in the new monthly lecture series…

This programme aims to identify the intellectual contexts that were of importance for the architectural theory of the period, and especially to clarify the relation of architectural theory to primitivism.

An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.

Astronomer Joseph Callingham and his team have observed for the first time a clear signal from a giant burst from a star outside our solar system. This would have a devastating impact on any unfortunate planet orbiting the star.

Man-made sounds in and around the oceans stress marine life and have an impact on marine species and ecosystems by changing the underwater acoustic climate. Hans Slabbekoorn from the Institute of Biology Leiden pleads for technical solutions to mitigate problems of noise pollution. Science review paper…

Tijdens het tweede college in de reeks van drie over het Nederlandse crisismanagementsstelsel, staat de vluchtelingencrisis centraal. Hans Zuidijk, directeur van de Veiligheidsregio Hollands-Midden, is vrijdag 2 juni een van de gastsprekers en licht alvast een tipje van de sluier op waar hij het over…

We are thrilled to announce that Marietje Schaake will deliver the keynote address at the eLaw 40th Anniversary Conference on 2 April 2025, as part of the prestigious Hans Franken Lecture, the yearly lecture dedicated to one of the founders of eLaw, Hans Franken.

Prof Hans de Iongh of the Conservation Biology department of the Institute of Environmental Sciences Leiden contributed from 30 January until 2 February to a workshop on Dugong-Seagrass interactions in Jakarta

Lions in Kenya respond very differently to human land use, climate and conservation practices. That is the conclusion of thesis from Leiden biologist Monica Chege. A uniform approach is therefore insufficient. ‘Effective conservation only works when management is tailored to local conditions and developed…

How can Ronald Mulder run his skates across an ice layer at 60 km/h? His skating blades get help from a lubricating layer of meltwater. In Leiden, physicists found this explanation to be incomplete. Theoretician Hans van Leeuwen and experimental physicist Tjerk Oosterkamp searched for a deeper answe…

Scholars interested in European law attended a conference in Praag to present their research, exchange ideas and reconnect with colleagues and friends. As Vice-Secretary General of the ELU-S, Martijn van den Brink played a crucial role in organising the conference.

On Tuesday November 25, 2025, Prof. dr. Sarah Cramsey traveled with students from her masters seminar on “New Approached to the Holocaust in Central and Eastern Europe” taught at the History Institute to Amsterdam for a unique opportunity. There, Ms. Lotte Sophie Groenendijk, an alum of the History…

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: pioneering with podcasts. What are the do's and don'ts? Two teachers and a student share their thoughts.

Research and education at the intersection of law and technology is more important than ever. With its 40 years of experience, the eLaw department, founded in 1985, is ready for the future. Time to reflect on four decades of innovation.

Last week Saturday LUC hosted a Symposium about Brexit for students and alumni. Many interesting perspectives were shared by the speakers, as well as comments and questions from the public.

Herman Berkhoudt (former employee of the IBL, then EEW) organized the course, while Merijn de Bakker and Hans Slabbekoorn spoke about the latest insights in their disciplines.

Geert Wilders’ PVV Party believes that Islam is a totalitarian ideology and not a religion, and thus Muslims are not equally entitled to the same freedom of religion or belief as other believers. This view is incompatible with liberal democracy, according to Hans-Martien ten Napel.

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

A collaboration between the IBL and LUMC has resulted in the discovery that the polymerase theta enzyme is essential for the integration of Agrobacterium T-DNA into the genome of plants. The finding means a break-through for the development of more efficient systems for targeted genome modification…

The major aim is to examine the potential of learning the body to produce a similar physiological (autonomic, neuroendocrine, or immune) and physical (e.g., desensitization of persistent physical symptoms) response to placebo medication than to active medication (pharmacological conditioning). If proven…

The map application includes information from old and new buildings archaeological projects. This makes it possible to investigate whether water facilities (wells, cisterns) and waste facilities (cesspits, sewers) were the privilege of Leiden’s wealthy elite in the late 16th and 17th centuries or whether…

Freya Baetens is currently a Visiting Professor at the National University Singapore (NUS). NUS started out as a medical school in 1905, founded by a determined group of businessmen led by Tan Jiak Kim, to serve the needs of the local community. Today, it is Singapore’s flagship university consistently…

Associate Professor Dr. Ulrike Tanzer from the German Department, University of Salzburg (Austria) is working for a few months at Leiden University. In this short interview she will introduce herself.

Two short documentaries by Till F. Sonnemann highlight the work conducted by Leiden archaeologists on Hispaniola as part of the Nexus1492 project.

Birds around airports are more aggressive and sing as if they have hearing loss. Collaboration between researchers of Manchester Metropolitan University and the Institute of Biology Leiden has led to surprising new findings about the impact of anthropogenic noise on birds around airports. Publication…

Hans Slabbekoorn researches animal sounds and the effect of the noise we humans make on these animals. He is also committed to making his discipline more diverse.