Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

What would happen if families with little money were to receive an extra amount every month with no conditions attached? Would it help with their worst financial problems? In order to find out, the municipality of Amsterdam will conduct an experiment with 300 families over the next two years. During…

The Social and Cultural Plan Bureau (SCP) published the report “The social state of the Netherlands”. In this research is it stated that there is no such thing as a political shift to the right. In view of the fact that the right wing is better represented in the House of Commons, this is a remarkable…

Exploring logging's real impact: Insights from Anthropologist Tessa Minter in the Solomon Islands.

In this thesis,

Professor P.F. (Paul) Wouters has been appointed dean of the Faculty of Social and Behavioural Sciences with effect from 1 January 2019. Wouters has been appointed for a period of three years and succeeds Professor Hanna Swaab, whose second term of office as dean expires this year. Swaab will remain…

Postdoctoral researcher Joost de Moor, who joined the interdisciplinary Global Transformations and Governance Challenges (GTGC) initiative at Leiden University since April 2021, will spend 50% of his time doing research for the project

On 20 October 2021 the plenary of the European Economic and Social Committee adopted its opinion on the proposed EU strategy for the Schengen area.

Investigating the emergence of complex societies in Chalcolithic Cyprus.

Over the last decades, income inequality has increased globally. How do social policies affect this increasing trend? How do international trade and technological progress affect inequality? What is the profile of income inequality in China?

What insights do eleven social Facebook-accounts of Dutch and Belgic foreign fighters offer with respect to the phenomenon of so-called returnees?

On Wednesday 23 May, a jointly organized Lunch Seminar between the research programs Interaction Between Legal Systems and Reform of Social Legislation takes place. In this very special seminar we have the honour of receiving Prof. Jason Beckfield from Harvard University.

Sara Polak, American Studies expert and University Lecturer investigates how American presidents deal with the media and how new, social media influence our collective memory and the political game. ‘Social media algorithms influence us and our political choices in ways we do not foresee’, Polak say…

Framing Poland through the lens of post-socialism, as is common in the social sciences, has become outdated. This label no longer captures the rapid changes that have taken place since the fall of the Iron Curtain. Ola Gracjasz's research shows that people are redefining their national identity, blending…

The United Nations has declared May 22 the International Day for Biological Diversity. A moment of global reflection on everything on Earth and its indispensability. Anthropologist Marja Spierenburg stresses the importance of the interaction between natural and social sciences in addressing sustainability…

The research project Authoritarianism 2.0, funded by the European Research Council, invites eligible research institutions to submit applications. The successful subcontractor will conduct a nationally representative survey on Internet and social media use in the People’s Republic of China, relying…

There was a lot of interest. In front of nearly a hundred researchers, supporting colleagues and Martijn Ridderbos, the Vice-Chairman of the Executive Board, Lotte van Dillen, Research Director of Psychology and Saskia Goedhard, Director of Humanities Operations jointly opened the new lab with a classic…

On 8th October 2018 Daniel Carter presented part of his PhD research on the effects of precarious employment on intra-EU migration at the ‘Science Day’ at the Ministry of Social Affairs and Employment and in the Hague. He presented a paper he is currently working on, which assesses the recent Proposal…

On 14 December 2022, students of the course Social and Ecological Activism in the Visual Arts (as part of the Creative Strategies for a Society in Change minor) presented and performed their final collective project at BAK, basis voor actuele kunst, Utrecht: the Water Cultures Institute group role-playing…

On Tuesday 22 November 2016 at 4.15 PM Clarence Charles will publicly defend his dissertation entitled Calypso Music, Identity and Social Influence:The Trinidadian Experience at the Academiegebouw in Leiden!

Prisoners who have little or no contact with the outside world are more prone to reoffend. What makes visits so important?

Is aggression always bad? PhD research by psychologist Simone Dobbelaar shows that it is not. In fact, children who occasionally fiercely defend themselves and stand up for their peers often feel better mentally.

Teacher Dr. Elke Devroe introduces group role-play on actual themes of governance of crime and social disorder. In the final session of the course, the classroom was transformed into a theatric scene where students applied their insight into the contemporary debates on various issues in governance…

The Dutch Research Council (NWO) has recently awarded a significant grant of 863,000 euros to the project proposal 'RESOCIAL' led by Dr Gianclaudio Malgieri, Associate Professor at eLaw - Center for Law and Digital Technologies. This grant is part of the 'NWA Synergy Theme: Vulnerability and Resilience…

It is often claimed that social media can contribute to democratic decision-making by bringing politicians and citizens into dialogue with one another. But is this potential always realised, and how? Most researchers look at politicians and their online communication strategies. In this New Media &…

Political scientist Rebekah Tromble (Leiden University) and computational sociolinguist Dirk Hovy (University of Copenhagen) analyse how much hostility and sexism Clinton faces on Twitter, as well as who seems to be behind such attacks.

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

A neuro-ecological perspective on adolescent prosocial development

Why are we unable to address health-care inequality? This was the topic of the inaugural speech of Professor Jet Bussemaker on Friday 15 February 2019. She analysed why current policy does not suffice when it comes to protecting vulnerable groups and fighting inequality. She proposed an agenda that…

A number of European countries have started evacuating their citizens and there is a threat of military intervention by neighbouring countries: the situation in Niger is deteriorating rapidly. A military coup has thrown the country into turmoil, partly aided by social media.

Anyone who follows the Faculty of Archaeology on social media must have noticed that something changed in September. Videos on research projects, interviews with staff and students, and embracing memes: the content has become more varied and engaging. We speak with students Grace Alonzo and Thomas Prins,…

The European Regional Office of Astronomy for Development (E-ROAD) has held its first conference session at the 2020 virtual Annual Meeting of the European Astronomical Society (EAS), the largest astronomy conference in Europe. The E-ROAD is an initiative of the International Astronomical Union, the…

Major developments worldwide are creating new challenges for society. The pandemic has hit us hard, for example, and we are already feeling the effects of global warming. How can society and politics deal with the urgent problems of our time? That is the theme of the Global Transformations and Governance…

Globalization, migration, technological innovation and climate change pose challenges to citizens in European countries. These challenges test the limits of cross-national and cross-generational solidarities, touching upon the very foundations of governance and society. This research program aims at…

How can social scientists contribute to a healthier society? That question was central to the Healthy Society Event on 9 June 2022, which successfully marked the start of a more conscious and intensive collaboration between the five Institutes of the Faculty of Social and Behavioural Sciences on education…

In his PhD research in the field of public administration, Mark Reijnders looked at why people do not receive the help they need. They lose their way in the labyrinthine support system or become bogged down in bureaucracy. In public administration this is known as non-take-up of social care. PhD defence…

Protests have been raging in Iran for two months since the death of 22-year-old Mahsa Amini. The role of social media in the protests against the Iranian regime should not be underestimated, says Senior Assistant Professor and Iranian Babak RezaeeDaryakenari.

If you know a crime is about to occur, should you be able to prevent it before it has even happened? This was one of the questions that was posed in light of predictive policing as a form of mass surveillance during the debate in the elective Governance of Crime and Social Disorder class of the Crisis…

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…

What opportunities does uncertainty offer with regard to innovative behaviour of professionals and what role does leadership play in this?

Hari Nugroho explores the role of local dynamics in shaping Indonesian labour movements. By focusing on the micro-level, this research reveals how labour organisation strategies are influenced by individual actors' personal histories, their interactions, and the way in which they respond the local economic…

Francien Dechesne, Associate Professor at eLaw, contributed as an expert to the advisory report of the organisation AlgorithmAudit, which was presented to the Dutch Minister for Digitalisation Alexandra van Huffelen on Wednesday 29 November 2023. The report contains a number of concrete norms to avoid…

On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

The key subject of the research programme Cities, Migration and Global Interdependence 1500-now (CMGI) is Inequality (at local, national and global levels). We study this from an intersectional perspective: gender, class, ethnicity or race, religion, sexuality, age, ability/disability, citizenship and…

Students support primary schools in reducing backlogs due to Covid-19