The opening of the Academic Year 2024-2025 took place on Monday 2 September 2024 in Pieterskerk Church.

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

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.

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

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

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.

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:

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,…

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.

Here you can find information about our next big event!

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.

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 has an Open Access policy and a Copyright Information Office.

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

Study information

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.

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

In July 2022, Leiden hosted the ESOF conference.

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

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…

On this page you'll find the recordings of the programme presentations held at the Leiden University Bachelor's Online Open Day of 7 October 2023. Perhaps you joined this event and would like to rewatch the presentations or are curious about ones you didn’t see the first time around. Or you haven't…

Combining results from bibliometric analyses, a global sample of researcher opinions and case-study interviews, a new report reveals that although the benefits of open research data are well known, in practice, confusion remains within the researcher community around when and how to share research…

Open Science verandert de manier waarop onderzoek wordt gedeeld en wordt samengewerkt. Anna van ’t Veer won een award voor haar Open Science-activiteiten.

Join the OSCL community to share your experience and learn more from others at Leiden University

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

Dutch knowledge institutions are taking steps to recognise and reward open science. On 13 December, the Open Science NL Steering Board approved a total of 1.2 million euros in grants to 23 institutions. The Centre for Science and Technology Studies (CWTS) will lead the national coordination of the local…

The opening of the Academic Year 2019-2020 took place on Monday 2 September 2019 in Pieterskerk church.

Leiden University offers support in the different stages of your research lifecycle.

De opening of the Academic Year 2022-2023 took place on Monday 5 September 2022 in Pieterskerk church.

De opening of the Academic Year 2023-2024 took place on Monday 4 September 2023 in Pieterskerk church.

Open online education has become a highly popular method of education. The current project aims to further our knowledge of how open online courses can be best designed to be consistent with human learning mechanics and facilitate meaningful learning.

On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.

Seminar

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…

The opening of the Academic Year 2018-2019 took place on Monday 3 September 2018 in Pieterskerk church.

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

The opening of the Academic Year 2017-2018 took place on Monday 4 September 2017 in Pieterskerk church.

The opening of the Academic Year 2016-2017 took place on Monday 5 September 2016 in Pieterskerk church.

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…

Leer meer over de Educatieve Master Primair Onderwijs tijdens de Online Master's Open Dag van de Universiteit Leiden.

Leiden University has received a €50,000 grant from Open Science NL to develop a roadmap for integrating open science into the strategic priorities of various institutes and translating this into human resource (HR) policies.

Promotores: Prof.dr. B.R. Katzy, Prof.dr. K. Sailer (Munich University)