We celebrate Leids Ontzet, the Relief of Leiden, on Monday 3 October. This means that all University buildings in Leiden will be closed. The University buildings on Campus The Hague will be open, but there will be no classes.

The newspaper Leidsch Dagblad publishes an interview with Ineke van der Ham. It discusses the nationwide public experiment on navigation and the navigation training study that has just been launched.

The Leiden Index of Depression Sensitivity (LEIDS) measures cognitive reactivity (CR) to sadness, an aspect of cognitive vulnerability to depression, conceptually similar to rumination.

You may contact LUXs through any of its members or secretariats of its participating institutes. You may also reach the steering group through its chair or secretariat.

What can papyri teach us about antiquity? Students of papyrology in Leiden try to answer questions about life in antiquity aided by papyri from our collection.

TEXTS FROM ANCIENT EGYPT. Highlights from the Collection of the Leiden Papyrological Institute. Online exhibition on the occasion of the 80th anniversary of the foundation ‘Het Leids Papyrologisch Instituut’ in 2015.

The programme group Clinical Neurodevelopmental Sciences is one of the six groups within the Institute of Child and Education Studies at Leiden University. The group participates in all stages of the education programme: the bachelor's, master's and research master's programme.  The group is particularly…

Address and contact information.

In the male-dominated university world, studying was often considered inappropriate for women. They were denied membership of the male student association Leids Studenten Corps ‘Virtus Concordia Fides’ (LSC). The women were on their own and they decided to unite.

How many men and women die per year at the hands of others? What are the motives behind these killings? Are there as many homicides today as years ago? How can we explain the rise and fall of homicides over time? And: What is the influence of (early) childhood and adolescence on the likelihood to commit…

This project explores themes at the intersection of maritime history and environmental history by looking at the problems Dutch ships encountered in the different climates of the Atlantic and Indian Ocean worlds, and the solutions they could provide.

Four different astronomical societies are active in the Old Observatory. We are very proud of the commitment these associations show to organize activities.

On 18 september 2018, Claudia Bouteligier defended her doctoral thesis 'Dialoog in recht en literatuur. The doctoral research was supervised by Prof. mr. dr. A. Ellian.

On 28 January 2021, Dorine Verheij defended her thesis 'Credit rating agency liability in Europe'. THe doctoral research was supervised by Prof. M. Haentjens and Prof. A.G. Castermans.

The Leids Astronomisch Dispuut F. Kaiser is an association dedicated to the students who study astronomy in Leiden. In addition, they are also very involved in the public activities in the Old Observatory and help with the development and implementation of other projects in the building.

The 11th edition of Leiden Museum Night will take place on Saturday 18 May 2019. Nine museums will once again be opening their doors. As it is Leiden University’s 444th anniversary this year, we will be celebrating in style at the Academic Historical Museum.

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

The Leiden Institute of Education and Child Studies aims to conduct high-quality research that addresses major social issues. This inspires its BSc, MSc and PhD programmes.

The foundation of the ‘Leids Papyrologisch Instituut’ took place on 19 January 1935. Prior to then, the founders – J.C. van Oven (1881-1963, Roman Law), B.A. van Groningen (1894-1987, Greek) and M. David (1898-1986, Legal History) – had already been teaching Greek papyrology at Leiden University.

LAK courses is part of Leiden University and can be found in the Lipsius building on the Cleveringaplaats. The abbreviation "LAK" stands for Leids Academisch Kunstcentrum (Leiden Academic Art Center)

Can a newly developed, app-based, personalized maintenance program enhance the effectiveness of the exposure-based one-session-treatment for children with a specific phobia?

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

In 2023, many of our students and staff won great prizes and secured important research grants.

Each year, the Leids Universitair Fonds (LUF) awards grants to research and educational project in various academic fields. In 2019, dr. Tanachia Ashikali received a grant to conduct an in-depth study into the determinants of inclusive leadership in public organisations: What does it take to be an inclusive…

Impressions by Wouter Baas and Caroline Schep

As a PhD candidate, you are strongly advised to discuss your budget for travel and other research-related costs with your supervisor and the institute management at the start of your research in order to be able to plan your work well and to avoid unpleasant surprises. Please note that all travel must…

Sonorous phenomena are always on the verge of becoming something else. As it unfolds, sound constitutes spaces, mediates presence, articulates time. Furthermore, it may prompt emotions, generate awareness, organise patterns of behaviour or trigger a sense of belonging. As sound becomes audible, it is…

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

How safe do you feel walking on the street in Leiden? Do you feel safe, or are there situations that make you feel unsafe in the city? These are questions that city criminologist Marianne Franken of Leiden University wants to find answers to. In collaboration with the municipality of Leiden and the…

Overview of the main research projects at the Leiden Papyrological Institute.

The six-feet society is being built up rapidly; arrows and planes made of tape, circles and stripes of chalk, fences and other barriers are popping up around us. Danica Mast, PhD-student at LIACS, collects photos of all these solutions on her website www.1meter50.nl, now that her research is partly…

Onder leiding van Artificial Intelligence-experts Marlies van Eck en Ronald van den Hoogen is het multidisciplinaire opleidingsprogramma samengesteld. Dit is de eerste editie van postacademische leergang van het Leidse PAO-bureau en extra bijzonder is dat de leergang volledig online plaatsvindt.

Een samenwerking tussen het Leids Universitair Medische Centrum (LUMC), de Universiteit Leiden en Philips ontvangt financiering van wetenschapsfinancier NWO om MRI-scans te versnellen. Deze drie partijen vormen samen een van de 17 AI-labs die onder de naam ROBUST voor een periode van 10 jaar NWO-steun…

Providing each cancer patient with the right treatment remains a challenge. Oncode Accelerator aims to change this by innovating the way we develop cancer treatments, thus ensuring the patient is at the heart of the process. Leiden University, the LUMC and other partners will implement this new way…

Investigating the emergence of complex societies in Chalcolithic Cyprus.

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Here you can find an overview of the past projects of the Leiden Leadership Centre.

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…

Bones contain information about people’s lives such as where they came from, their age at death and which diseases they suffered from. Researchers can deduce a lot from them about a person’s life and about human evolution. This generates leads that could help solve present-day problems, such as how…

With the long lockdown, it’s been a hard year for Leiden businesses. How can the local economy bounce back and how can the University help? Two talk shows discussing this were recently recorded in the Academy Building. They will be aired on Unity TV on 28 September and 12 October.

Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. In her inaugural lecture on 16 November, professor of Ecotoxicology Martina Vijver gives a warning for the risks of new, man-made chemical substances and nanomaterials. Various media payed…

Leiden University 2016 thesis awards were awarded to Kaspar Pucek (History), Mariska Meijer (Bio Medical Sciences) and Paul Kozowyk (Archaeology).

Professor Jaap Dubbeldam passed away on the 19th of November at his home in Leiderdorp.

Lamberto Zannier, Secretary General of the Organization for Security and Co-operation in Europe (OSCE), gave a lecture on ‘The OSCE, a bridge between East and West and a platform for dialogue on European security’

Being on time for a lecture can be hard for students. To make life easier, you can now request for a ‘Kwartiertje’ pass.

The Leidse Instrumentenmakers School (LiS) has received the Leiden erepenning—an honorary medal that is awarded each year during the celebration of the Leids Ontzet to a person or institute that has done a great service to the city of Leiden.

Professor Annemieke Aartsma-Rus from Leiden University Medical Centre (LUMC) has received the Ammodo Science Award for her research into the muscular disease Duchenne.