From 11 to 21 June 2019 eleven students took part on the Honours summer course Dilemma’s in het migratierecht (Dilemmas in migration law).

On this page you find all the ways through which the Institute of Psychology aims to foster Open Science.

Citizen science has recently become a widely used term, but what does it mean exactly? How does citizen science compare to crowdsourcing? And where does community archaeology stand in this discussion?

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

Are you thinking about studying Biomedical Sciences? Learn more and watch a short promo video.

Computational thinking, programming, and algorithms form the basic of many of the things that are shaping our world, the way we work, interact, organize ourselves, and even spend our free time with social networks, streaming media, and games. And this transformation is far from being complete, it is…

BE-OPEN is a structural project funded under the Erasmus+ Capacity Building in Higher Education action. The project is coordinated by the University of Novi Sad, Serbia. The main objective of the project is to develop conditions for the implementation of the core principles of Open Science at universities…

Conference

Are you thinking about studying Political Science? Watch the introduction video’s and learn more!

The majority of scientists, from archaeologists through to zoologists, collect huge volumes of data. Their massive databases contain large amounts of information which is difficult for humans to filter. With a solid grounding in statistics, we can develop algorithms for analysing and identifying patterns…

Are you thinking about studying Computer Science? Learn more and watch the videos. Note: As of September 2025 you can also combine this master programme with the Business Studies specialisation.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

This book offers a detailed analysis of social policy in Ecuador, covering its evolution over the past four decades. It examines how social relations and institutional frameworks have influenced concepts of well-being, the implemented policies, and the outcomes achieved.

Governments have increasing amounts of data at their disposal. How can big data be used in policymaking? And are governments ready to deal with all this data? That is what Sarah Giest, Assistant Professor at the Institute of Public Administration, is interested in.

The Department of Archaeological Sciences seeks to achieve the highest standards of excellence in science-driven education and archaeological research across the globe and across all periods.

Nikki Ikani, Assistant Professor Intelligence and Security at the Institute of Security and Global Affairs (ISGA), has recently published her latest monograph 'Crisis and change in European Union foreign policy' with Manchester University Press.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

The master’s specialisation Bio-Pharmaceutical Sciences and Science Communication & Society at Leiden University is a two-year programme which combines research training in chemistry with one in techniques of communication.

The Van Vollenhoven Institute for Law, Governance, and Development and the Grotius Centre for International Legal Studies organised the Van Vollenhoven Lecture 2013.

Do you have any questions about the bachelor Science for Sustainable Societies? Please contact us!

The image of the European Union (EU) as a remote law-making machine is widespread. Quite often journalists and politicians deliberately depict ‘Brussels’ as bureaucratic, even undemocratic, bypassing its citizens. And many of us buy into that image. Nikoleta Yordanova, Anastasia Ershova and Aleksandra…

With the emergence of new methods and technologies such as improved DNA analysis and big data, archaeological research has changed radically in recent decades. The researchers from the Department of Archaeological Sciences at the Faculty of Archaeology use new scientific knowledge to answer fundamental…

At the Institute of Political Science we value our alumni. We can learn from you, and would like to contribute to your further development. And, of course, we want to lend a hand in connecting ‘our’ political scientists all over the world.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

PhD candidates carry out a programme of independent research, leading to a PhD thesis in typically 4 years.

Bribing a politician to gain influence or making sure friends end up in powerful positions: Brazilian energy companies use these power strategies daily.

How do insurance products transform intimate and personal relations? What are the consequences of the classifications that insurance companies use and how do these affect solidarity, morality and inequality?

Gorlaeus Gebouw, Einsteinweg 55, 2333 CC, Leiden

In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.

The two-year master’s programme in Computer Science at Leiden University offers seven specialisations ranging from AI to Bioinformatics and Data Science. The programme combines excellent theoretical teaching with possibilities for applied work with industrial relevance.

‘Crisis and change in European Union foreign policy.’ That is the title of Nikki Ikani’s book that was published last month. We asked the writer five questions about her book. Presentation: 5 & 20 April.

Social Science Matters is an online variant on London’s famous Speakers’ Corner – a platform for the researchers in the various disciplines in the Faculty of Social and Behavioural Sciences to react to the news. This soapbox gives our social scientists an opportunity to voice their opinions on current…

Politics is about the authorised allocation of values: who gets what, when and how much? This question is relevant at many different levels, in many different places and in very different ways.

The Biomedical Sciences Communication specialisation focuses on the interaction between science and society and concerns science communication in a broad sense. You combine your research training with different aspects of science communication. The entire programme is taught in English.

Are you a researcher eager to share your work with a broader audience? Do you want to develop your science communication skills and learn how to engage effectively with society? Then join our Summer School in Science Communication in Leiden from 6-10 July 2026! Jointly organized by the Faculties…

The research group Science Communication and Society aims to understand how science communication works to improve the interaction between science and society. Central themes are ‘Bridging the gap between experts and the general public’ and ‘Evaluating Science Communication’.

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…