Leiden biologists have shown that a gene present in plants, animals and yeasts does play an important role in plants, although for years the gene was considered unimportant. It turns out the gene plays a crucial role in the development of vascular tissue in plants. Publication in Nature Plants on 11…

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

Understanding the evolving landscape of extremism in the 21st century.

Profile Area Political Legitimacy, Leiden University

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

We are very happy to welcome you to spend the fall semester, spring semester or full academic year studying with us at the Institute of Political Science Leiden or campus The Hague. Here you will find practical information as an exchange student.

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

After an initial suggestion of a move toward Israel, India’s Prime Minister Modi has signaled a significant recalibration of his government’s engagement with the Middle East region. Now, India seems to be prioritising strong ties with the Gulf states.

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Article in the journal Irish Political Studies discussing the challenge of aggregating opinion polls and presenting a method to better model major sudden political and societal events. This can can enhance opinion poll reporting in the media.

Political scientists Joop van Holsteyn and Tom Louwerse (Leiden University) find that the Dutch government is having a hard time coping with referendum outcomes in general, and ‘anti-European’ sentiments among voters in particular.

This dissertation focuses on the production and consumption of a mediation show in China that collaborates with the local Justice Bureau and broadcasts on an entertainment channel—exploring answers to questions raised from the mentioned entertainisation, social and political, and cultural issues.

On 27 September 2017 a new book by Prof. Luuk van Middelaar appeared, entitled The new politics of Europe. The book is at the same time a front line account of Europe’s recent crisis years – from monetary turmoil to tensions around Ukraine, from refugee crisis to Brexit – and an analysis of the Union’s…

Amorphophallus decus-silvae, or the ‘penis plant’ as it is known, has just flowered at the Hortus botanicus. It flowered for two days, and then the pollen, which the male flowers produced was collected. As far as the plant experts at the Hortus can tell, this was just the third time that this species…

Restoring a natural plant environment on exhausted agricultural lands and in nature areas is difficult. We can speed this up by steering the soils towards the desired situation. This is what Martijn Bezemer, newly appointed Professor of Ecology of Plant-Microbe-Insect interactions at Leiden University’s…

This volume challenges the idea that the development of ‘democracy’ is a story of rise and progress at all. It is rather a story of continuous but never completely satisfying attempts of interpreting the rule of the people.

In this paper, Sibgatullina and Abbas aim to illuminate the complex connections between the European right-wing movements and Islam and discusses how the adoption of Muslim identity may function as a politically strategic opportunity for European conservative forces.

Promotor: H.J.M. de Groot, Co-Promotor: A. Alia

Fluctuations in individual plant communities contribute to the stability of an ecosystem as a whole, a study published in Ecology Letters shows. Nadia Soudzilovskaia and colleagues for the first time used data from plant communities across five continents to prove this hypothesis.

Why do communities form militias to defend themselves against violence during civil war? Using original interviews with former combatants and civilians and archival material from extensive fieldwork in Mozambique, Corinna Jentzsch (Leiden University Institute of Political Science) explains the timing,…

The RNA guided endonuclease based on the CRISPR/Cas system of Streptococcus pyogenus is a potent new tool for genome engineering in plants.

Choice is at the very heart of politics. War or peace, left or right, liberty or security, sovereignty or integration, consensus or conflict—choices matter. Choice is also key to your education. Choose an intellectually challenging programme in which you develop your knowledge and expertise in the study…

The aim of this project is to study what makes an act or form of violence a specifically political reality.

The Centre for Political Philosophy (CPP) at Leiden University is an interdisciplinary platform for political thought. It aims to bring together all those with an active interest in the field from different institutes, branches and fields of study at Leiden University.

Political and social implications of life in a digital age.

The specialisation Culture and Politics of the Master’s in International Relations at Leiden University encourages critical perspectives on complexities of culture as an inextricable part of global politics.

The Center participates in East European Politics, one of the major political science journals focusing on the contemporary post-communist space.

Host-Microbe Interactions is one of the four research themes of the Institute of Biology Leiden.

East European Politics is a refereed journal which publishes articles on the government, politics and international relations of the post-communist world.

‘Internationale Politiek’ is a specialisation in the BSc programme in Political Sciences. It combinEs the core political science subjects with the study of international and global processes and institutions. This specialisation is partically taught in Dutch and based in Leiden.

Politics and Aesthetics is one of the six research themes of the LUCAS Modern and Contemporary cluster.

As a Political Science student you will analyse political phenomena at a local, national and global level—covering a broad range of topics and applying state of the art methods. Your tutors are renown researchers in their field; Leiden is one of Europe’s oldest and highest ranking universities. Personal…

The specialisation Global Political Economy of the master’s in International Relations at Leiden University provides you with a cutting-edge understanding of the world economy and its social and political foundations.

The three-year BSc programme ‘Politicologie’ introduces students to the key concepts and approaches of the Political Science discipline. It is based in the city of Leiden and taught primarily in Dutch .

Are you thinking about studying European Politics and Society? Learn more and watch the programme presentation.

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Political scientist Corinna Jentzsch (Leiden University) about the organisation of rebel and government auxiliaries in the civil war in Mozambique (1976–1992).

This master’s programme focuses on understanding the causes and consequences of armed conflict between states and within states. In addition, we explore whether and how local, national and international actors and institutions can forge cooperation, prevent political and armed conflict from emerging,…

What makes some international organisations more likely to succumb to crises where others manage to survive or even thrive? And what can international organisations do to become resilient and withstand existential challenges? Political Scientist Gisela Hirschmann (Leiden University) studied the example…

For nine years he worked on the three-volume standard work Plant Galls of Europe. It yielded 2300 pages about 10,000 species of European galls, abnormal outgrowths in plants caused by parasites. Hans Roskam from the Institute of Biology Leiden: ‘The abundance of galls says something about the natural…

Research on Asian plants is his life's work. Now a crown is added to that: a plant from the coffee family bearing his name. Paul Kessler is LUF professor of botanical gardens and botany of South East Asia and Scientific Director of the Hortus botanicus. 'Completely unexpectedly, you get to see the results…

Optimality in plant properties and processing.

And its application in deciphering hominin diets in palaeolithic eurasia