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

They are often little more than a square metre of plants, yet pavement gardens are a source of life. PhD candidate Joeri Morpurgo conducted research in the centre of Amsterdam and The Hague and discovered how important small green spaces are, especially for cities.

This regulation – also known as the AI Act – aims to ensure that AI systems sold and used in the EU are safe and consistent with existing fundamental rights legislation and Union values. AI harvests its factual material on the Internet, but in some cases it can be misleading. This is sufficient reason…

Leiden students working to solve a sustainability problem at the request of an external party: that is the Sustainability Challenge. During a recent symposium, 28 groups of four to five students unveiled their solutions. The commisioners expressed great enthusiasm.

Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.

With a Vici grant of 1.5 million euros, Professor of Mathematical biology Roeland Merks will look for ways to fix messy and leaky blood vessels in tumours. His research combines mathematical simulations and lab experiments in a unique way.

Three speakers, three fascinating science stories and a well-filled lecture hall. The Niko Tinbergen Lecture had a successful restart on 10 December 2019.

It’s become somewhat of a tradition at Leiden University: the strategic conference at the end of June each year. About a hundred staff including the faculty boards, academic directors, directors of the expertise centres and Administration and Central Services, the representative councils and student…

A far-reaching understanding of human behaviour is necessary to get to grips with conflicts in society and to encourage parties to meet each other halfway. Psychologists, anthropologists and political scientists from Leiden are making invaluable contributions to that understanding. You can find out…

Dr. Mark Westmoreland (Institute of Cultural Anthropology and Development Sociology) and Dr. Francesco Ragazzi (Institute of Political Science) have been awarded a Seed grant for their project, ‘Other “ways of knowing”: should we prepare for a post-textual turn in the social sciences?’. The grant amounts…

The Covid pandemic has had a considerable impact on academics’ work and well-being. They have had much less time to spend on their research. The Young Academy and the Dutch Network of Women Professors have conducted research into how the situation has been for academics. The two organisations have recommendations…

Four researchers from Leiden University’s Institute of Political Science have been awarded a grant to jointly investigate attitudes towards Venezuelan immigrants among youths in Ecuador. Combining their expertise and collaborating with the Universidad San Francisco de Quito, they will focus on school-going…

In order to better understand the course of Alzheimer’s disease, Frédérique Kok believes that a strategic and structured approach is needed: the Mastermind research approach. With her LUF grant, Kok wants to generate high-quality data to build a mathematical model that can recognize the onset of the…

Activities of Thalia Hoffman and Basma Hamdy

From 14 to 29 PhD candidates, seven actively involved faculties and, above all, lots of innovative interdisciplinary research, all with data science as the common denominator. The university’s Data Science Research Programme (DSO) has proven so successful that after five years on a start-up grant it…

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.

Thijs Porck, expert in medieval English, has won the LUCAS Public Prize because he has made his research and education visible to a wider audience. Thijs has reached the national media, secondary schools and a lot of views with his blogs and videos. The prize consists of a certificate, trophy, 1000…

On the day of the Dies Natalis, Rector Magnificus Carel Stolker starts his second term of office. How does he look back on the first four years, and what are his plans? These are the questions asked of him by Mayor Lenferink, student of public administation Mikal Tseggai, Professor Eveline Crone and…

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.

As both old and new democracies experience increasing democratic backsliding, there is a critical societal need to rethink the design and effectiveness of democratic checks and balances. In this conference on Friday 9 June, the aim is to explore multidisciplinary insights about what makes the checks…

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

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…

The Netherlands in September 2021 could be characterised as a low-trust society. Trust in the government has declined significantly in the past one-and-a-half years: from almost 70 percent in April 2020 to less than 30 percent in September 2021. There has also been a slight decrease in trust between…

Climate change is affecting all areas of human life. 2024 has been the hottest year on record and natural disasters are becoming increasingly frequent around the globe. Every year since 1995, national delegations come together to address the climate crisis through the Conference of the Parties to the…

Eighteen researchers from Leiden University have been awarded a Veni grant by the Dutch Research Council (NWO). This grant gives promising young researchers the opportunity to develop their ideas for a period of three years.

Leiden University has partnerships in the local region, in the Netherlands, in Europe and with countries on almost all the world's continents. Students and researchers benefit from these partnerships, but society is also a beneficiary, says Rector Carel Stolker.

Josephus Justus Scaliger was one of the most famous scholars of his time and yet today his name is likely to be met with blank looks. His correspondence shows that this Leiden professor was also irritable to say the least. Kasper van Ommen will defend his PhD thesis on Scaliger’s legacy on 2 July. Find…

Many people have fled to the Netherlands since the outbreak of war in Ukraine, including students. But even before this war, students with refugee backgrounds were eager to study at Leiden University. How does the University help young people from various backgrounds find their way around the Dutch…

Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

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…

Covid year 2021 might have felt somewhat less strange than the year before, but the virus still left its mark on University life and our students and staff. Fortunately there was also room for research, visiting dignitaries and in-person classes. And our social media accounts weren’t only about covid…

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.

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…

All five episodes of the first season of 'Breingeheim' are now available to listen on Spotify. The first season of the podcastseries is about the social contexts of adolescent development and how teens become resilient individuals. In every episode, a new Leiden-based behavioural scientist and an adolescent…

Ad IJzerman, Emeritus Professor of Pharmacochemistry, was made a Knight of the Order of the Lion of the Netherlands on 26 April. He was presented with the royal honour by Mayor Elbert Roest in the town hall in Bloemendaal.

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

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.

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

‘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…

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.

If you'll soon be getting a COVID-19 vaccine, you might just get the Johnson & Johnson (Janssen) one. This vaccine was developed for the most part in Leiden – and this is no coincidence. Watch the animation below about the development of one of the vaccines in the fight against COVID-19.

Professor Anne Meuwese is calling on governments to show more vulnerability when it comes to providing information about how they function.

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…

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

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

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…

An age-old expression in Classical Chinese is yǔ zhòng bù tóng 與眾不同, meaning ‘out of the ordinary.’ It could have been the motto of Burchard J. Mansvelt Beck, who taught that language for decades at Leiden University. What was different about him? He was extraordinarily gifted, helpful, and above all…

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