The treasure houses of Leiden's University Library and Naturalis house wonderful historical collections with dried plants and botanical drawings. Tinde van Andel, extraordinary professor of History of botany and gardens, studies these collections.

The advanced LL.M. programme on international children’s rights was inaugurated Monday August 31st, 2015 at the Leiden Law School, with students from countries as diverse as South Africa, Iceland, France, Israel, Belgium, Romania, Japan and Jordan.

On Friday 29 September 2017, Frederik Behre was invited by the European Union Study Association in Leiden (EUSA) to speak about the Eurocrisis in order to shed light on the undertaken Euro reform steps and to reflect on necessary future reforms.

On 12 September 2024, the official ceremony opening the academic year 24-25 for students of the European Law master’s programme took place at Leiden Law School, organised by the Europa Institute.

IHL and Humanitarian Assistance in Contemporary Armed Conflicts against the Background of the Current Refugee Crisis

‘Discipline and Place’ is a lecture series offered by LeidenGlobal to PhD and Research MA students in the Fall of 2020. It gives students an opportunity to reflect on the broader field of the Social Sciences and the Humanities – including Archaeology and Law – and to position their own research accordingly.…

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

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,…

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.

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.

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:

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…

Lecture, Part of Open Lectures Serie

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…

As a part of NVIC's film & lecture program, you can join a public film screening on Sundays at 7 pm, and a lecture on Thursdays at 6 pm. Seats are limited and we work on a first-come, first-serve basis. Our doors open 30 minutes in advance, and close 15 minutes after starting time or earlier in case…

Information for lectures is available on Brightspace

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

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.

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

Study information

These are our lecturers (in alphabetical order) for the 2024 Summer School in Languages and Linguistics.

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.

Twice a month researchers from the Institute of Biology Leiden invite national and international speakers for a lecture on a broad range of topics in biology. The lectures are public and held online in Kaltura.

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…

Until 2019, LUCIS hosted one annual lecture, inviting an eminent scholar to give a large-scale lecture in one of the finer halls at Leiden University. Because of their success, we now organise four larger lectures every year, entitled LUCIS Keynotes.

Since 2019, the Foundation for Austrian Studies organises an annual lecture in cooperation with the Institute for History.