Mmmonk en het Henri Pirenne Instituut voor Middeleeuwse Studies (UGent) organiseren eind 2024 de tweede editie van Mmmonk School: Lessen voor gevorderde beginners rond het middeleeuwse boek. Mmmonk School biedt een interdisciplinair praktijkgericht programma over middeleeuwse Vlaamse manuscripten. Experts…

After the summer, we'll hit the ground running with OSCLunches and OSCoffee's, open and online accessible for all.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this edition…

Four thousand visitors immersed themselves in art and science during Leiden's Night of Art and Science on 17 September. They could choose from dozens of lectures, experiments, interactive events and a lot of art.

From closed government systems in the Middle East to an exceptionally open Dutch government. Public administration lecturer Alex Ingrams is an expert on transparency: ‘Why are some countries secretive? And what role does technology play?’

Tijdens het tweede college in de reeks van drie over het Nederlandse crisismanagementsstelsel, staat de vluchtelingencrisis centraal. Hans Zuidijk, directeur van de Veiligheidsregio Hollands-Midden, is vrijdag 2 juni een van de gastsprekers en licht alvast een tipje van de sluier op waar hij het over…

Since the demonstration over a year ago on the Wijnhaven campus, Leiden University has developed plans and initiatives to create the safest possible work and study environment for our university community. The Executive Board would like to explain what has happened since and what else we can expect…

Although it can be a challenge at times, parents should keep communicating with their teens. Also about how they parent. Research by developmental psychologist Loes Janssen shows that parenting can be perceived quite differently by family members and mood plays an important role. Parents often parent…

Due to the by now world-wide Covid19 restrictions on travelling and holding meetings, the committee has decided to cancel the conference in June. We are now looking into postponing the conference (either to a later date in 2020 or to 2021). We will keep you informed about any further developments. All…

Important note: upon careful consideration, we have decided to resume our Dutch language courses.

Deaf and hard-of-hearing children can find it challenging to blend in during recess on the playground. Yet, in recent studies, two PhD researchers studying children in China and Portugal showed that the emotional development of these children is largely on par with their hearing classmates.

Op donderdagmiddag 15 mei 2025 organiseert Universitaire Bibliotheken Leiden het symposium ‘De Middeleeuwen als inspiratiebron’. Aanleiding voor dit symposium is de publicatie van het rijk geïllustreerde publieksboek 'Schatten op schrift, 50 manuscripten uit middeleeuws Europa'.

On Tuesday 8 April, the CV of Failures exhibition was officially opened by Hester Bijl. Members of the university community share their personal stories during the exhibition. They offer an honest insight into the rejections, setbacks, and unexpected turns that have shaped their journeys.

This thesis focuses on addressing four research problems in designing embedded streaming systems.

Does the university value teaching less than research? Can you advance in science without academic awards? Which scholars inspire you? Does the university pay enough attention to both your academic achievements and your personal well-being?

Last month, with the help of the advisory groups the D&I Calendar was launched for the Faculty of Humanities. The calendar serves as a tool to create awareness about important dates related to diversity and inclusion and their potential impact on work and study.

When you think of migration, you probably won’t immediately think of dating apps. Yet such apps are important to many migrants, such as those who identify as lesbian, gay, bi, trans, queer or questioning (LGBT+). Researcher Andrew DJ Shield studied the role that dating apps play in the migration process,…

In this lecture professor Harding considered the implications of Asia's 21st-century rise for its legal systems and our approaches to studying them in the new situation we confront in the early 21st century.

Theoretical research does not always give us the right solution to a problem in society. This message, loud and clear, is delivered during the final presentations of the Master Honours Class 'Social Innovation in Action'.

Teams of scientists from different Social and Behavioural Sciences disciplines work together in the labs with state-of-the-art hard- and software and related expertise.

Multi-objective optimization is an effective technique for finding optimal solutions that balance several conflicting objectives. It has been applied in many fields of our world, because practical problems usually have more than one desired goal. For example, developing a new vehicle component might…

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

How do young people react when an unknown person gets under their skin in an online game? A sense of control over their social environment can prevent young people from quickly resorting to anger in such a situation, development psychologists Sheida Novin, Carolien Rieffe and colleagues discovered.…

Free playtime and physical play are of great importance to children's social development. That is the main conclusion of innovative research by developmental psychologists and computer scientists from Leiden University.

The Leiden University psychologist Carolien Rieffe will investigate how to create an social climate at high schools, to make young people with autism feel more comfortable and able to engage with their social surroundings and thus develop essential social and emotional skills. Rieffe and collaborators…

A research project by Developmental Psychology professor Carolien Rieffe and researchers of the Leiden Institute of Advanced Computer Science has been voted Smartest Project of the Netherlands 2016.

Alessandra Silvestri has been appointed professor in Theoretical Physics in the area of Cosmology. For her this promotion in Leiden is the icing on the cake. ‘But there are many more boxes I would like to tick.’

A group of postdoc and PhDs at our Focus on Emotions lab organized an escape room for staff and students to increase their awareness of diversity and accessibility matters. It was designed particularly for this year’s EUniWell FestiWell, which ran under the headline “Towards global sustainable well-being”.…

Almost 3,500 visitors came to Master’s Open Day in Leiden and The Hague.

Prehistoric people may well have had an emotional bond with domesticated dogs much earlier than we thought. Leiden PhD candidate and vet Luc Janssens discovered that a dog found at the start of the last century in a grave dating back 14,000 years had been sick for a long time and had been cared for.…

On Wednesday 8 March, the 'Meet & Mix: ‘Speed dating with Traineeships’ event took place in Wijnhaven. Trainees, employees and HR advisers from different organisations got together with students from the Faculty of Governance and Global Affairs to talk doing a traineeship.

The goal was to work towards the implementation of of one weekday where all the PURE restaurants serve solely vegetarian meals.

On Thursday 16 November, Dirk Broekhuijsen defended his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The supervisors are Professor F.A. Engelen and Professor S.C.W. Douma.

The goal was to work towards the implementation of of one weekday where all the PURE restaurants serve solely vegetarian meals.

The Food citizens? team has included two post-docs, three Ph.D. candidates and two research assistants working with the Principal Investigator. The Winter School involved nine Masters and Ph.D. candidates from the universities of Bologna, Gothenburg, Kaunas, Leiden, Louvain, Tromsø, Turin and Utrech…

Research by bioarchaeologists from Leiden and Canada has shown that 19th-century Dutch farmers regularly had bone defects. These may have been caused by wearing clogs. Publication in the International Journal of Paleopathology.

CompaRe aims to be a hub in a global network on comparative regional integration. For regional integration is key to meeting the challenges of our globalising world. The LEAC is now also part of the CompaRe.

Public management scholars have long debated public and private sector differences. However, the generalizability of empirical results has been limited due to the shortage of cross-national studies.

Lexicographical description of Greek; production of Greek-Dutch dictionary

This study investigates how the tenure of security (proxied by both inter- and intra-party electoral advantage) affects the engagement and political performance of members of parliament.

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

The handbook is a wide-ranging survey of a crucial period in prehistory during which many social, economic, and technological changes took place. Written by specialists in the field, the book provides coverage both of the themes that characterise the period, and of the specific developments that took…

The largest structures in the Universe are clusters of galaxies. Each can contain hundreds to thousands of galaxies.

Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

In this paper, Kantorowicz aims to track the persistent effect of former partitioning borders on property tax rates in Poland.

Welcome to StatiCS: the Statistical Consultation Service. The goal of the service is to provide statistical support to PhD candidates and other researchers.

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in our research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…