Fostering multi-polar perspectives that engage more connected, nuanced and pluralistic understandings of the world. Global Interactions encourages and supports research that provides significant new insights on these global processes across time and space.

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

On the occasion of prof Paul van der Heijden’s stepping down as Rector Magnificus and President of the Executive Board of Leiden University in 2013 the Chair bearing his name on Social Justice was established. It was a “farewell present” of the Leiden University to it’s Rector.

Key publications of the Analytical BioSciences and Metabolomics group

To complement scholarly knowledge with journalistic insights, LUCIS regularly invites journalists to share their perspective on current events.

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

P.J. Veth, Nonnensteeg 1-3, 2311 VJ, Leiden

Old Observatory, Sterrenwachtlaan 11, 2311 GW, Leiden

On Sunday 8 October 2023 the Faculty of Science of Leiden University opened its doors to everyone who is curious to explore the world of science. More than 750 people took a look behind the scenes, watched exciting demonstrations, stepped into the shoes of a scientist at numerous workshops and got to…

Arsenaal, Arsenaalstraat 1, 2311 CT, Leiden

Lipsius, Cleveringaplaats 1, 2311 BD, Leiden

Old Observatory, Sterrenwachtlaan 11, 2311 GW, Leiden

What are ‘missing links’ in research on teacher professional development trajectories? We focus on the role and development of teacher facilitators in designing and implementing (collaborative) professional development trajectories.

Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…

Bacteria are everywhere. They are the most abundant organisms on earth and impact all aspects of our lives. They determine our health and shape our environment. Ariane Briegel, professor of Ultrastructural Biology, freezes bacteria super fast to gain a true-to-nature image of the internal and external…

Here you can find annual reports and evaluation reports of LUCIS from previous years.

Data Sets Department of Economics

Avian Cognition describes the full range of avian cognitive abilities, the mechanisms behind such abilities and how they relate to the ecology of the species. Synthesising the latest research in avian cognition, a range of experts in the field provide first-hand insights into experimental procedures,…

The treasure houses of Leiden's University Library and Naturalis house wonderful historical collections with dried plants and botanical drawings. Tinde van Andel, extraordinary professor of History of botany and gardens, studies these collections.

“Courses” offers interested scholars and students open-access course material which can be used in class.

By comparing individual health data with population data, doctors can provide personalized health advice and patients can learn from each other's experiences. Wessel Kraaij, professor of Applied Data Analytics shows how personal data can have predictive value.

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

Since 2023 Leiden University has been intensifying its engagement with partners in Africa.

Research into the wishes and (care) needs of older migrants

This research aims to investigate how different social forces interact with hydropolitics in the Eastern Nile Basin and what are the constraints of engagement.

Grants awarded to molecular physiology research

The Gorlaeus Building will be constructed in three phases, with the new building due to be completed by 2028.

This project addresses the occurrence of political and ideological biased crimes in light of the recent migration influx in European countries.

How to stimulate novel research in science and innovation

The special issue on “Quo Vadis, Pragmatics?” is the result of a lively discussion among members of the editorial board of the Journal of Pragmatics triggered by the most recent revision of the journal's scope statement. The 11 contributions that make up this special issue cover a rich suite of themes,…

We explore the particle physics and quantum world at the time of the big bang.

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…

The central research question in this study was twofold: 1. To what extent are the three reconstruction models useful in a reconstruction of the public decision-making process concerning decentralized government between 1947 and 2014? 2. To what extent does the reconstruction of this public decision-making…

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

The area will undergo major changes, in a phased plan. Teaching will continue during this period. The existing education buildings will be tackled one by one. Some of the buildings will be reconstructed, and for others the building shell will undergo renovation. The Humanities Building is expected to…

Designing and synthesizing high-affinity ligands for a given drug target have always been among the more important challenges in the drug discovery process.

Does a moving hybrid zone leave a genomic footprint?

Physicist, former D66 party leader and author, mainly of children’s books, Jan Terlouw, gives three to four readings a week. Even at the age of 86 he is tireless in communicating his message: ‘We need to regain trust in one another, and we have to seek fraternity.’

Members of our research team give different types of presentations and lectures.

At our Summer School on Philology and Manuscripts from the Muslim World we offer graduate students and researchers lectures by experts, practical classes, and hands-on experience with manuscripts from Leiden University’s famous collection of oriental manuscripts.

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Extraordinary professor Paul Kessler studies what the Hortus botanicus Leiden can offer research, higher education and the public…

Our solar system probably evolved in the same way as most of the other planetary systems around us. This has been shown by German-Austrian-Dutch research on more than 870 planet-forming disks in the Orion cloud A. The five researchers, including three from the Leiden Observatory, published their findings…

The research of our group is centered around dynamical systems, functional analysis and their interplay.