On 10 April 2025, Melanie Fink presented her current research on the interplay between EU constitutional law and the regulation of digital technologies.

How to represent and assess legitimate interests? On behalf of the Dutch Ministry of Interior and Kingdom Relations, Caelesta Braun and Bert Fraussen developed the framework ‘Afwegingskader Legitieme Belangenvertegenwoordiging’ (Assessment Framework Legitimate Interest Representation). The researchers…

Research grant awarded to Armin Cuyvers for innovative research combining EU law and social psychology. In an age where identity often trumps economic rationality, the EU struggles for legitimacy. Brexit of course provides a rather spectacular example of the EU failing to counter a deeply emotional…

Op woensdag 27 augustus vond de jaarlijkse Levenbachdag plaats, een ontmoetingsdag voor docenten en onderzoekers in het arbeidsrecht en socialezekerheidsrecht. De dag is vernoemd naar Marius Levenbach, de eerste leerstoelhouder arbeidsrecht in Nederland.

A political-legal study of rights invocation by pollution victims in China and Indonesia

This thesis tackles the difficulty of predicting the liver’s clinical response to novel therapies, a challenge arising from interspecies differences and limitations of existing in vitro models.

Unemployed people often need not only a financial safety net but also a stimulus to look for work. PhD candidate Heike Vethaak researched the effects of incentives used by benefit agencies, such as compelling people to widen their job search.

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Over the past five years, medical anthropologist Annemarie Samuels has studied palliative care in different parts of the world. Over the next five years, she will focus on end-of-life care in the Netherlands. 'Everyone has the right to good care at the end of their life, but what that means differs…

Our world may seem unpredictable and uncertain, especially when others are involved. When interacting with others, we cannot know for sure what they may be thinking or planning to do, but we do a good job guessing. This may not be so easy for everyone…

Which key factors contribute to effective land justice pathways for the protection of people’s land rights and prevention of conflict?

Immediately connect with the needs of industry with your master’s degree. The new course Practical Aspects of Quality Management in Pharma and Biotech provides just that. The LACDR and LUMC set up the course together with the Biotech Training Facility, located at the Leiden Bio Science Park. The first…

Developmental psychologist Anne Miers of Leiden University is involved in a large-scale research project investigating the efficacy of interventions regarding social skills, resilience and insecurity. The project is funded by a grant from The Netherlands Organisation for Scientific Research - Health…

This UNESCO Chair at CWTS aims to contribute to UNESCO’s agenda to foster diversity and inclusion in science. The chair has two main lines of work:

This question was discussed on the Dutch NPO Radio 1 broadcast with Barend Barentsen, Professor of Labour Law. On 4 September, Americans celebrate Labor Day, a day on which the hard-working American takes centre stage.

Valedictory lecture

Yeast, alpacas, and antibodies. They may seem unrelated, but within the project of the Leiden iGEM students, they come together perfectly. For the international synthetic biology competition iGEM, the team is working on an innovative method to produce nanobodies—a special form of antibodies—using brewer’s…

The African Studies Centre Leiden’s Research Programme for 2025-2029 is called ‘African Trajectories: Past Dependencies and New Directions’. Building on its former programme, it extends the recognition of Africa’s pivotal role in world affairs. The continent’s global significance has become increasingly…

The Grotius Centre for International Legal Studies in collaboration with the University of Geneva, the Chinese Journal of International Law (ChineseJIL, OUP) and the European Society of International Law (ESIL), are pleased to invite public international scholars and researchers to attend a conference…

A splendid milestone after seven years of collaborative research on the sustainable development of the Indonesian economy. Professor of Industrial Ecology Arnold Tukker has been appointed as a guest professor at the Faculty of Economics and Business of Universitas Padjadjaran (UNPAD) in the Indonesian…

A study of early medieval reopened graves

As young people’s friendships improve, their mental resilience also increases. This is according to research conducted by Anne-Laura van Harmelen, Professor of Brain, Safety and Resilience at Leiden University.

Students used to live with a landlady or even with the professor whose course they were taking. Student accommodation has since become more professional, making it something the new government will have to tackle. What should the new government do?

Anne-Laura van Harmelen, professor Brain, Safety and Resilience will give her inaugural lecture ‘Resilience does not exist’ (in Dutch) on Monday 27 June. In her inaugural lecture she will discuss resilience after childhood adversity.

Positive emotions are important for our health and sense of well-being - they make our lives meaningful. Now, Henk van Steenbergen and his colleagues have published an authoritative new volume on the latest scientific research on positive emotions.

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…

Researchers of eLaw, the Center for Law and Digital Technologies at Leiden University, published their research in Nature Machine Intelligence. The publication, written by Eduard Fosch-Villaronga, Pranav Khanna, Hadassah Drukarch, and Bart Custers, focuses on the legal and regulatory implications of…

Receiving welfare benefits has a major impact on criminal behaviour. This has been demonstrated by Marco Stam, who defended his thesis on 20 January 2022.

On the past 6th of October, the Pillar A of the research program me Citizenship, Migration and Global Transformations finally had its awaited kick-off event, which was previously cancelled last spring due to the COVID-19 outbreak.

Donderdag 7 februari is prof. mr. dr. P.F. van der Heijden benoemd tot Officier in de Orde van Oranje-Nassau. Hij kreeg de koninklijke onderscheiding uit handen van minister Koolmees van Sociale Zaken.

It is a familiar phenomenon: you ask the assistant on your phone to call your mother, but it calls a friend instead. Tom Kouwenhoven, PhD student in the SAILS programme, investigates how humans and Artificial Intelligence (AI) can better communicate with each other, so that these kinds of situations…

Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…

Sometimes an idea seems so logical and elegant at first glance, that you later wonder why no one thought of it before. Two researchers from LACDR have teamed up to develop a completely synthetic alternative to antibodies—one that mimics their size, shape and function, but which is cheaper, more stable,…

Leonie Vreeke is ready to start a new 5-year project to develop a stepwise treatment specific to very shy young children. Her proposal was granted by ZonMw with nearly € 600.000,-. A PhD student and a research assistant will be appointed to execute this project, together with societal partners such…

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. You can register for this minor (from 2 May) in your…

In the academic year 2021-2022 the Social Resilience and Security interdisciplinary programme will offer two courses for interested students who are entering the third year of their Bachelor's degree. You can sign up for these courses in your elective (minor) space. The courses are available to students…

Manon van der Heijden is Professor of Comparative Urban History at the Institute for History.

A new report reveals five actions that leaders can take to contribute to economic development, advance global security and sustainability, and make space a safe and globally accessible domain.

The Ministry of the Interior and Kingdom Relations has awarded the Dutch Administrative Law Association (VAR) a start-up grant for one of the projects of the initiative 'Bestuursrecht beter' (better administrative law): a Digital Helpdesk for the Elderly. The grant will enable the VAR to take the first…

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…

Ann Brysbaert is Professor in Ancient technology, crafts and materials at the Faculty of Archaeology.

Developmental psychologist Barbara Braams has moved to Harvard University to study social influences on adolescents’ decision making in risky and ambiguous situations. NWO awarded her a Rubicon grant for talented scientists who have recently obtained a PhD.

The research master's specialisation Developmental Psychology consists of five main parts: the general courses, the track-specific courses, the elective courses, a research internship and a thesis.

In the ESOF2022 mini-symposium organized by the Social Resilience & Security programme, international experts with a background in psychology, philosophy, and law discussed how the online world is related to adolescent mental health issues, moral and emotional awareness and children’s rights. In three…

Neeltje Blankenstein receives an LUF grant to conduct research on online risk behaviour among young people. What risks do young people take online and why? 'With this research, we not only want to help prevent serious risk behaviour, but also understand what drives young people to it.'

How do poor and disadvantaged Indonesians address the injustices they face in daily life and how can their situation be improved?

Professor B.H.M. (Bart) Custers PhD MSc LLM is full Professor of Law and Data Science and head of eLaw, Center for Law and Digital Technologies at Leiden University.

A basic income would not necessarily mean that people would work less. This is the conclusion of a series of behavioural experiments by cognitive psychologist Fenna Poletiek, social psychologist Erik de Kwaadsteniet and cognitive psychologist Bastiaan Vuyk. They also found indications that people with…