This programme video is presented in Dutch

Kralen spreken tot de verbeelding. Ze zijn aantrekkelijk en persoonlijk vanwege hun kleuren, materialen, patronen en associaties. Je draagt ze op je lichaam, waar je ze voelt en anderen ze zien. Kralen zijn waardevol en verplaatsbaar, tegelijkertijd reizigers en souvenirs.

De opening of the Academic Year 2021-2022 took place on Monday 6 September 2021 in Pieterskerk church.

The opening of the Academic Year 2020-2021 took place on Monday 31 August 2020 in Pieterskerk church.

Naar aanleiding van het 900-jarig bestaan van de Norbertijnen is er vooreerst een grote tentoonstelling "Als de bliksem. 900 jaar Norbertijnen" van 4 mei tot en met 1 augustus in de abdij van Park in Leuven. Daarnaast biedt Jos Bielen, cantor van de abdij van Averbode, een boeiende tocht aan doorheen…

What is the role of academia in solving societal problems such as the corona crisis? Rector Magnificus Carel Stolker spoke about this at the opening of the academic year on 31 August.

The student bi-weekly online diary of Archaeology/Egyptology students, 2021.

LUC The Hague geeft studenten de gelegenheid om hun eigen curriculum samen te stellen gebaseerd op de afstudeerrichting van hun keuze. De academische staf begeleid en adviseert studenten bij het samenstellen van hun vakkenpakket.

On 8 February 2021 Leiden University celebrated its 446th anniversary.

OPERA aims at establishing open and advanced research analytics practices and systems at Danish universities and in the Danish landscape of research analytics stakeholders.

An overview of awards and prizes granted to our staff and students in 2021, as well as special appointments at Leiden University and other institutions.

In 2021 many of our students and staff won fantastic prizes and were awarded important research grants. This is our traditional review of these successes as the end of one year marks the beginning of another.

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

We have purchased tickets for our students, staff and alumni to make a collective visit to the European Media Art Festival 2021. Read here how to obtain a ticket from us.

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

In higher education, Open Educational Resources (OER) are available for anyone to use, but they are not widely used.

In this Yearbook you will find some fascinating examples of what was done in 2021, not only by ourselves, but also by our international colleagues.

The 18th edition of SIP will be organised by Caroline Mueller at the University of Bielefeld, Germany. More information can be found on the SIP 2024 Homepage. The 17th Symposium on Insect-Plant relationships in Leiden has been held online from 25 to the 30 July 2021.

At Leiden University, we see open Science as the way to make a greater scientific and societal impact. There is also great momentum across the Netherlands for open science, and for good reason.

Open Access is an international development that aims at making research free and accessible for everyone. LUCAS supports the ideals and principles of Open Science. We are therefore hoping that all colleagues will be willing to contribute to the fulfilment of these ideals. But we realize that the developments…

Open access (OA) refers to academic output that is freely available online, without restrictions. This hugely increases the visibility of research.

Getting your bachelor’s degree in Holland? Visit Leiden Universities Bachelor’s Open Day and explore which bachelor’s programme might suit you best.

On this page you find all the ways through which the Institute of Psychology aims to foster Open Science.

In the podcast series 'Open Geesten', historians Joost Welten and Nadia Bouras tell us about their research and how history is intergrated in modern society. In short: what can the past tell us about the present?

Please follow the links below to the open MSc or PhD positions:

Museums and collections are often frontpage news nowadays. The collections stored and curated in museums, universities and private institutions are no longer seen as 'neutral' entities to be enjoyed without political connotations.

The NVIC library is a public, academic reference library. Entrance is free—no membership needed—and offers access to our book collection and two reading rooms, which have a WiFi connection. It is not possible to borrow books from our library.

The concept behind GraspOS is to build the European Federated Open Metrics Infrastructure in a decentralised way, where: different types of data come together to create metrics; tools and services are developed to improve EU or global infrastructures but are also shared with national or institutional…

BE-OPEN is a structural project funded under the Erasmus+ Capacity Building in Higher Education action. The project is coordinated by the University of Novi Sad, Serbia. The main objective of the project is to develop conditions for the implementation of the core principles of Open Science at universities…

In September 2021 the CWTS open science policy came into effect. This policy deals with open access publishing, open research data, and open source software. All research projects carried out at CWTS are subject to the CWTS open science policy.

Leiden University has an Open Access policy and a Copyright Information Office.

OSCL is a learning community where anyone associated with Leiden University can learn and talk about open science practices. Example events are Open Science cafés, workshops, and walk-in-hours. The what Open science is an umbrella term for an approach to science that aims to make scientific…

Leiden University policy requires researchers to make all their Leiden-affiliated peer-reviewed articles available.

Want to study abroad? Visit the Master’s Week of Leiden University and find which master's programme taught in Leiden or The Hague is right for you.

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

The opening of the academic year 2022-2023 took place on Monday 5 September 2022 in Pieterskerk Church.

Study information

It is advisable to open Dutch bank account once you move to The Hague (if you do not have one already), as it will allow you to get many other services such as a mobile phone contract, transportation, etc.

The opening times of the Humanities buildings vary. The Lipsius building is opened during evenings as well, the other faculty buildings retain office hours.

We develop open micro cavities to trap light in small volumes and thereby increase the interaction with intra-cavity emitters. Important aspects in this development are the optical penetration in the mirrors, coupling between optical modes, and scattering and clipping losses.

Positive expectations can influence sensations of itch and evoke placebo effects, whereas negative expectations can trigger nocebo effects in itch. There is evidence that placebo effects can occur even when people know that they are taking a placebo. Little is known about how these so-called open-label…

Didactics, Career development