The PR-Committee aims at developing an optimal image of the Institute of Biology Leiden (IBL) among future and current students, teachers of biology at high schools, academics outside and within the institute, journalists, interested laymen, Bioscience industrial parties and Leiden citizens.

How is vegetative development regulated in plants and how does this affect a plant’s life history strategy?

LCA has become an important method to study environmental impacts of human activities. Still, there are several methodological issues in LCA that can adversely affect the results reliability.

Are you thinking about studying European Union Studies? Learn more and watch the introduction video.

Are you thinking about studying Global Political Economy? Learn more and watch the introduction video.

Promotor: Prof.dr. G.R. de Snoo

Mattias Brand defended his thesis on 10 April 2019

Political scientists Rebekah Tromble and Michael Meffert (Leiden University) address the question why certain frames persist over time in the media while others fade away and still others disappear very quickly. They suggest an approach based in event-history methodologies for assessing the causes of…

Leiden University, Department of Economics

The Leiden University Centre for International Relations (LUCIR) is a multi-disciplinary platform promoting research and education on international relations at Leiden University.

Drug-related homicide (DRH) has the potential to act as a valuable indicator of wider drug-related crime. Yet DRH remains a knowledge gap within this broader field of study.

How have British cities changed in the years since the Second World War? And what drove this transformation? This innovative new history traces the development of the post-war British city, from the 1940s era of reconstruction, through the rise and fall of modernist urban renewal, up to the present-day…

Which genes are involved in woodiness and associated traits such as drought tolerance, flowering time, stem elongation, life span, and plant herbivory, and how do these gene regulatory pathways overlap?

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

Nichiran kankei-shi o yomitoku [Revisiting the History of Dutch-Japanese Relations] is a new, two-volume Japanese publication with a chapter written by Wulan Remmelink. Both volumes offer a new look on the historical relations between Japan and The Netherlands during the Edo period by examining various…

Study information

On the 12th of May, Rita Barrera Virhuez-Eloranta successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Rita Barrera Virhuez-Eloranta on this achievement.

Are you thinking about studying Global Order in Historical Perspective? Learn more and watch the introduction video.

Study information

Study information

To study relationships between emotion regulation after negative and traumatic life events and psychopathology. Within this context, another goal is to develop and validate emotion regulation questionnaires.

Part of ‘Moralising Misfortune: A comparative anthropology of commercial insurance’, an ERC Consolidator project of Erik Bähre.

The precise psychobiological mechanisms leading to chronic physiological stress responses have not been sufficiently explained, although stress is a major risk factor for disease and early death. A problem for conventional stress theory is that most of these responses seem to occur in situations without…

Co-ordination Action for Innovation in Life-Cycle Analysis for Sustainability: deepening, broadening and leaping forward the LCA methodology.

Research report January 2020. Supported by the lectorate ‘Music, Education and Society’, research group ‘Making in Music’, Royal Conservatoire The Hague

On 11 and 12 September 2025, a conference will take place at the KU Leuven, titled: "Canonical Life in Western Europe in the Long Tenth Century: Reforms, Identities and Intellectual Networks (Late Ninth Century - c. 1050)." The organisers invite paper proposals of max. 400 words in English or French,…

Every organisms in the tree of life faces the same challenge: the length of its DNA exceeds the volume of the cell it needs to fit in. Several strategies have evolved to solve this problem, one of them being the expression of proteins that bind and organize the DNA.

All life on earth contains DNA, which is used to store biological information. Organisms compact their DNA in order for it to fit inside their cell(s).

Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink

What are the behavioral, cognitive, and motivational consequences of decision reversibility?

On April 26th, Kate Bellamy succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Kate on this great result.

On Thursday 11 January 2018, Xiang Li defended her doctoral thesis: “Collective Labour Rights and Collective Labour Relations of China”. The supervisors are Professor Guus Heerma van Voss and Professor Barend Barentsen.

This book offers readers an alternative history of the origins of the discipline of International Relations.