The study of orchid flowers, fruits, and inflorescences is crucial due to the remarkable diversity of orchid species and their unique adaptations to pollinators and seed dispersers. However, our understanding of the evolution and development of these organs within the orchid family remains limited.

Individual traders should be at the forefront of the study of early modern world trade rather than institutions such as states and companies, argues Professor of Global Economic Networks Cátia Antunes. Inaugural lecture on 9 June.

State Secretary Sander Dekker of Education, Culture and Science received the national research agenda Nature4Life on 31 January. This research agenda, in which Leiden University is involved, focuses on research on biodiversity, ecology and evolution.

A PhD candidate from the Van Vollenhoven Institute, Maryla Klajn, was recently invited as one of the speakers to the 'Unwanted Citizens of EU Member States’ conference, which took place in Liverpool on August 27th, 2019.

In welke mate hebben domaniale structuren de machtsvorming en nederzettingsontwikkeling in en van het gewest Holland bepaald?

About the book

Foute taal? Bestaat niet!

The Leiden Papyrological Institute offers several courses in papyrology, from beginners' to advanced level, BA as well as MA. The courses are taught by Dr. Koen Donker van Heel (Demotic and Abnormal Hieratic papyrology) and Dr. Cisca Hoogendijk (Greek papyrology).

Mattias Brand defended his thesis on 10 April 2019

De positie van kunst en kunstenaars in de westerse samenleving

Als gevolg van de grote technologische vooruitgang in de gezondheidszorg worden in toenemende mate gegevens verzameld tijdens de uitvoering van klinische onderzoeken.

To reach a larger audience beyond the academy, a number of activities in the cultural realm have been programmed over the years.

Dit rapport maakt deel uit van het project Receptenboek burgerparticipatie in opdracht van de Rijksdienst voor het Cultureel Erfgoed (RCE) en met steun van het Fonds voor Cultuurparticipatie.

China wordt steeds assertiever in zijn relaties met andere landen, maar achter dit beeld gaat een opmerkelijk diverse maatschappij en politieke realiteit schuil die tal van aanknopingspunten biedt voor samenwerking en verdere integratie van China in de wereld. In China een gids voor de 21e eeuw past…

How and to what extent does AI affect citizen representation in public service delivery and state-citizen interactions?

Promotor: Prof.dr. E. R. Eliel, Co-Promotor: M.J.A. de Dood

How can we understand the encounter between communities active in sustainability initiatives and governmental agents at the multiple institutional layers in the Netherlands?

The mycorrhizal symbiosis is among the most widespread species interactions on Earth⁠. This thesis focuses on orchid mycorrhiza, a unique mycorrhizal type that has caught scientists’ attention for centuries⁠.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

On Friday 3 February, Minister Bruins Slot of the Interior and Kingdom Relations appointed Fatma Çapkurt, of the Department of Constitutional and Administrative Law, to the Dutch State Committee on the Rule of Law. Chaired by Henk Kummeling, Rector Magnificus of Utrecht University, this State Committee…

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

The German state of Saxony-Anhalt is set to make recognition of the state of Israel a requirement for becoming a German citizen. However, Peter Rodrigues, Emeritus Professor of Immigration Law, has told Dutch daily newspaper Nederlands Dagblad that introducing a similar measure in the Netherlands would…

On 1 December 2023, Fatma Çapkurt was appointed as deputy chair of the State Committee on the Rule of Law.

Faced with warfare on the European continent and growing Sino-American geopolitical disputes, the EU’s rising use of sanctions and attention to economic security call for a better diplomatic understanding of how state-market actor-networks are assets of modern foreign and security policy.

What has European integration meant for the role and powers of Heads of State? And what should it mean, both at the EU and at the national level?

Irene Moretti published the article Kin Enough in Social Analysis, The International Journal of Anthropology.

How are law and governance in China responding to rapidly changing circumstances, and what does that mean for the relationship between the state and its citizens?

The Netherlands returned 478 artefacts to Indonesia and Sri Lanka this week, on the advice of a Dutch committee. Rightly so, says Leiden professor Pieter ter Keurs from the Museums, Collections and Society interdisciplinary research programme. ‘But do make it clear why you are returning something.’

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.

The new special issue on non-western non-state diplomacy, edited by Natalia Grincheva and Robert Kelley, is available online now and contains two Forum essays, four articles and two book reviews.

Daniel Peat will represent the ISDS Academic Forum, a group of over 150 academics whose research focusses on investor-state dispute settlement (ISDS), at forthcoming discussions on the reform of the ISDS system taking place in New York.

The central research question focuses on identifying shifts in the urban social network in terms of private, semi-public and public space by means of mapping the spatial distributions of wells and cesspits in the town of Haarlem in the course of the pre-industrial period (1200-1800). Shifts may be indicative…

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

Science, Leiden Institute of Physics (LION)

Dr Brian McGarry, Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies, addressed the International Tribunal for the Law of the Sea in the world's first advisory proceedings concerning climate change. His advocacy for the Commission of Small Island States…

In this video, Natalia Grincheva introduces the topics discussed in the journal's latest Special Issue.

How to deal with the Pyongyang regime? Is North Korea irrational? Prof. Remco Breuker proposes a new approach.

On 3 March 2024, the Swiss electorate decided in a sensational referendum in favour of an increase in the state old-age pension.

An analysis of people’s access to justice and the working of (legal) institutions in post-conflict, democratic Libya

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen

Esteban Szmulewic , PhD candidate at the Constitutional and Administrative Law Department has written a paper on the comparison between Italy and the Netherlands, covering the first part of the pandemic (2020 and early 2021). The article has been published in the prestigious 'Journal Diritto Publico…