European integration is under pressure. At the same time, the notion of a European administrative space is being explicitly voiced. But does a shared idea of the public servant exist in Europe?

Now and then we organise book launches to present the latest publications, both academic and popular, in our broad field.

Leiden University has participated in an international study carried out by the CARMENES consortium, which has discovered two small, terrestrial planets around Teegarden’s Star. The planets have masses similar to Earth and their temperatures could be mild enough to sustain liquid water on their surf…

Political Islam is not new to the Middle East, but the appearance of ISIS has stretched the phenomenon to the extreme.

An interdisciplinary and innovative research group combining History, underwater archaeology, GIS and wood provenancing methods.

Some examples of research questions include: What framework of circular strategies should local practitioners use? How should practitioners organize their monitoring of the circular economy activities in the region of interest? What are the main products that have the most circular potential in the…

We as Young Academy Leiden are continuously educating ourselves and are listening to the voices coming from our own university, especially voices of young academics. In order to amplify those voices, we have set up a new blog called ‘Voices of Young Academics’. It features contributions from early career…

Despite an increased EU role in the preparedness, monitoring and coordination of health emergencies over the past two decades, Member States’ responses to the first wave of COVID-19 were surprisingly uncoordinated. In light of calls to improve cooperation regarding future health emergencies, this article…

The research profile area Interaction between Legal Systems has a multidisciplinary approach and aims to inspire innovative research. Out of all the proposals put forward, three winning projects have been selected for the forthcoming research period 2016-2020.

The Centre for Legal Entrepreneurship and Innovation focuses on stimulating entrepreneurship and innovation in the legal sector. It builds a bridge between study and practice.

Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?

A substantial part of PhD candidates have an increased risk for mental health problems, stress complaints or burnout. Leiden University has appointed a psychologist, especially for PhD candidates: Agnes van Rossum.

LIAS has a School of Asian Studies (SAS), a School of Middle-Eastern Studies (SMES) and a School of Religious Studies (LUCSoR). These designations, and the fields within them, remain foundational to our work. At the same time, the academic community benefits from the presence of cross-regional networks…

In dozens of study rooms, libraries and laboratories, passionate scientists – with the support of the donors of the Leiden University Fund – are working on a fundamental understanding of the world and the people around us. They make the unknown known and push the boundaries of existing fields of sci…

Our research programme collaborates with all kinds of partners to achieve our goal: bringing scientific discoveries to the clinic as soon as possible.

Ethnography and Photography in a Moroccan Berber Village

Exploring the landscapes of mental health and cardiometabolic research.

How was the Scholarly Self cultivated in professorial families of the humanities, in German-speaking Europe between 1860 and 1930?

Can we enhance the capacity of host immune cells to kill mycobacteria via production of reactive nitrogen species?

A single self-assembled semiconductor quantum dot in a high-finesse optical microcavity - the subject of this thesis - is an interesting quantum-mechanical system for future quantum applications. For instance, this system allows trapping of an extra electron and thus can serve as a spin quantum memory,…

Why does the past elicit this intense activity in the present? What does the past mean for the present, and what does it do to it? A WAR OF WORDS will engage this complex of Chinese claims to Manchu-Korean ancient history, South Korean reactions, public discourse and cultural expression in both states,…

This dissertation provides a grammatical description of the Awjila language, a small Berber language spoken in the Libyan oasis of Awjila.

The project “Digital Materials” is about the conception, exploration and analysis of possibilities to make digital processes directly operative and tangible in physical materials and examines how the fiction of these “Digital Materials” could affect on figures of interaction between human subjects and…

A three-volume standard work on galls in Europe. Author Johannes C. (Hans) Roskam is associate professor emeritus in Evolutionary Biology and currently guest at Leiden University.

What is the role of local authorities and communities in shaping how inter-Schengen borders are understood and dealt with?

With Leiden University Press, LUCIS publishes a peer-reviewed book series “Debates on Islam and Society” aimed at a broad audience. A number of books in this series are available in open access.

Despite recent advances in medicine, many devastating disorders like cancer and cardiovascular, neurodegenerative and infectious diseases still lack effective treatments. In order to address this challenge, we, as scientists from Leiden University, joined hands in the LED3 network. LED3, for Leiden…

What would be the environmental performance of the Carbon4PUR technology at industrial scale in the future?

In our new strategic plan (Innovating and Connecting – 2022-2027) we focus on stronger connections: between disciplines, with society and within our university community.

The CNaVT exam is the official, international exam of Dutch as a Foreign Language for all who learn Dutch all over the world. The Catholic University of Leuven organizes the exam. The Dutch Language Union has commissioned this collaboration.

The IBL represents the core of modern biological research at Leiden and we interact closely with the other life science Partner Institutes in the faculty:

Music can affect how we feel, think, and behave. But how do we learn about the specifics of people's responses to music so that we can apply this to health and well-being? By looking at characteristics of the music, as well as the differences between listeners, we hope to better understand as well as…

Social Information Processing in Children with and without Hearing Loss

Research carried out at Leiden University contributes to our knowledge of sustainability. This is essential if we want to work together to find solutions to pressing issues, such as the current climate emergency and the shortage of raw materials.

Find out more about the impact of Brexit on research projects.

This research cluster explores processes of cultural creation, reception and transformation within a wide range of societal contexts from the early Middle Ages until c. 1800.

Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food…

In dozens of study rooms, libraries and laboratories, passionate scientists – with the support of the donors of the Leiden University Fund – are working on a fundamental understanding of the world and the people around us. They make the unknown known and push the boundaries of existing fields of sci…

In 2019 Leiden University will be 444 years old. This special birthday calls for a special celebration. We will be celebrating this milestone with the residents of Leiden and The Hague.

The key subject of the research programme Cities, Migration and Global Interdependence 1500 - Now (CMGI) is Inequality (at local, national and global levels).

Are you the scientist of the future? Come experiment with science at the Experiments Square! Make your own slime, discover how rubber can count, play along with the antibiotics game, discover the power of light and much more!

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Plant Sciences' contribution to the Host-Microbe Interactions research theme is to dissect how microorganisms and microbiomes interact with the plant host and the insects on those plants, and how these insights may be harnessed to improve plant growth and health, by steering microbiome composition and…

How to ensure the environmental and economic benefits of circularity transition at macro-scale?

The Netherlands generally performs above average in the protection of personal data, according to research carried out at Leiden University. Germany is the leading country, while countries such as Italy and Romania are lagging behind.

Our research covers a very broad terrain and has a strong disciplinary basis across a wide range of scientific disciplines and fields.

Dorothea Schulz & Martin Hense

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

We study the link between the acoustic, behavioral and physiological health of birds and prominent pollution factors. We aim to explore causation through experimental studies on detrimental factors like traffic noise, particulate matter and chemical toxins. Our primary target is scientific progress…

At the very heart of the law, ethics, and digital technology.