Everyone is welcome at the Leiden Science Family Day. We have set up a programme with a variety of activities for children, teenagers and adults.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

On the 14th of June, Yliana Rodriquez successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Yliana on this achievement!

The International Labour Organisation (ILO) was established in 1919 based on the premise that social justice is a condition for lasting peace. On February 2019 the ILO celebrated its 100th anniversary with an international symposium to consider the future of the ILO.

Leiden University is working on the renovation of the Humanities Campus. The education buildings are being addressed one by one. Students, staff, visitors, and Leiden residents can then study, work, and live in a pleasant environment. The Humanities Campus is in open connection with the city of Leiden…

ASLU 13

Why do plants produces always produced so many slightly differing metabolites within a particular chemical class?

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.

Aiming to advance the development and deployment of a scalable, safe, and integrated hydrogen infrastructure to support the energy transition.

Promotor: J.W. van Holten

The Rosalind Franklin Square, also known as the campus square, is a green meeting place for students, staff, and city residents. It’s where the university, the business community, and the city of Leiden come together.

This thesis presents the systematics, epidermal defense, and bioprospecting of wild orchids.

Up to 50% of individuals with Parkinson's disease develop cognitive impairment over time; this study explores the use of 'practice effects' on neuropsychological tests as an early predictor of cognitive decline.

The glycosylation reaction is a pivotal reaction in creating new and complex oligosaccharides.

Information for prospective, current and international students

This grammar presents an in-depth linguistic description of one Papuan Malay variety, based on fifteen hours of recordings of spontaneous narratives and conversations between Papuan Malay speakers.

How was anti-communism organized in the West? New volume edited by Giles Scott-Smith, Luc van Dongen and Stephanie Roulin on the aims, arguments and associations of a range of transnational anti-communist activists during the Cold War.

The Pharmacy research group focusses on the development of predictive models to improve clinical drug efficacy and safety. We work on clinical problems that require further mechanistic understanding and strive for ultimate benefit to patients.

How can we stay fit?

LUGO is rolling out Green Teams across the University, now expanding to The Hague Campus Teams.

Proceedings of the 25th International Congress of Roman Frontier Studies 4

The researchers examine the Council of the European Union's voting behaviour between 2010 and 2021 and the impact of different independent variables.

Leiden University regularly welcomes members of the Royal Family to attend opening ceremonies, lectures, presentations and unveilings of works of art.

The Mathematical Institute is one of the eight institutes of the Faculty of Science. The institute operates as a single unit defined by the activities of its members.

Considering the absence of the human performer within a performance installation, the research centres around what is left of the human through traces such as sound or recorded voices, images, videos or movement and gestures. What do we perceive as ‚present‘, once the human is removed from the centre…

Quantum Delta NL, a research programme in which Leiden University participates, has been awarded 615 million euros from the National Growth Fund to help develop the Netherlands into a top player in quantum technology.

This editorial to RHCPP discusses how COVID-19 can be seen as a 'creeping crisis' according to the authors of its lead article (Boin et al, 2020) and how resilience may depend on the real heroes behind the scenes of response to disaster and adversity.

The Laiseang archiving project ensures the preservation of unique records of languages in the region which have been gathered by more than two dozen linguists at, and in collaboration with Dutch universities over the last 40 years.

In this article, the authors summarise the literature on the effects of multilevel governance on governments’ policy responses to Covid-19.

Duizenden metaalvondsten die door detectorzoeker wijlen Herman Zomerdijk zijn gedaan in de regio Kennemerland schetsen een uniek beeld van Noord-Holland door de eeuwen heen. Hij zocht en verzamelde decennialang historische metalen objecten in Noord-Holland en bouwde zo een unieke metaalcollectie op.

Proceedings of the 25th International Congress of Roman Frontier Studies 3

To what extent did the street patterns in urban districts influence crime patterns?

Simona Demková, Assistant professor at the Europa Institute of Leiden University, publishes her book ‘Automated Decision-Making and Effective Remedies: The New Dynamics in the Protection of EU Fundamental Rights in the Area of Freedom, Security and Justice’.

On 21 March 2019, James Welch defended his thesis 'The Grotius Sanction: Deus Ex Machina. The legal, ethical, and strategic use of drones in transnational armed conflict and counterterrorism'. The doctoral research was supervised by Prof. dr. P.B Cliteur.

BACKGROUND: Explant human skin equivalents (Ex-HSEs) can be generated by placing a 4mm skin biopsy onto a dermal equivalent. The keratinocytes migrate from the biopsy onto the dermal equivalent, differentiate and form the epidermis of 1(st) generation Ex-HSEs. This is especially suitable for the expansion…

An Introduction and Field Guide, Second and Revised Edition (15 December 2014)

OBJECTIVES: To determine whether the lipid/protein ratio and the total dry SC mass per surface area are related with the skin barrier function of controls and AE patients.

Read all papers and other types of publication created by the project.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

How Perceived (In)Visible Dissimilarity Relates to Feelings of Inclusion at Work

This thesis describes the synthesis and biochemical evaluation of a variety of cyclophellitol based activity-based probes and inhibitors targeting various endo- and exo-acting retaining glycosidases. In the last two decades a variety of probes and inhibitors for (hemi)cellulose degrading enzymes have…

The Guava Platform, which is at the centre of this PhD thesis, was initiated in 2014 as a conceptual framework of my art practice and research. The aim of the Guava Platform is to research and create possible techniques of art-actions that are part of my quest to continue to live in the conflicted landscape,…

Nowadays, most Europeans speak a language belonging to the Indo-European language family. However, very different languages were spoken on our continent before the arrival of the Indo-Europeans. The EUROLITHIC project tries to find answers to the question which languages these were and where they came…

We always try to answer questions about the Old Observatory Leiden as well as possible. Choose the subject you have a question about from the dropdown menu below.

The CMCB brings together microbial cell biology expertise in Leiden. It aims at optimal resonance between the groups and maximal exploitation of the available infrastructure and to develop innovative cross-boundary technology platforms.

This project examines how speakers store and process regular pitch variation.

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