Do you have any questions about the master's specialisation Child and Adolescent Psychology? Please contact us.

The main goal of the THEOR CHEM group, headed by Prof. Geert-Jan Kroes, is to characterize, and to accurately predict the outcome of chemical reactions at gas-solid and liquid-solid interfaces. Here the solid surface is typically a metal or an ice surface. These goals are important to many areas in…

Our course programme consists of three courses targeted at professional users of scientometrics, including librarians, policy officers, and research managers at universities, funding agencies, and other research organizations. For PhD students CWTS offers the annual CWTS Scientometrics Summer Scho…

My PhD thesis investigates the ecological significance of resistance against drought-induced air bubble formation inside the water conduits of plants (embolism), and the plasticity and functional aspects of stem anatomical traits in woody and herbaceous species.

The Historia Naturalis Brasiliae Reconsidered

The focus of the Antiviral Pharmacology group led by Anne-Grete Märtson is optimizing antiviral therapy for different viral infections by conducting clinical trials and using innovative computational and dynamic laboratory methodologies.

This thesis focuses on developing wafer-scale two-dimensional (2D) materials by combining synthesis, transfer, characterization, and device integration of graphene, hexagonal boron nitride (h-BN), and BN-doped amorphous carbon.

This volume discusses practices of memory in early modern Europe.

Are you eager to bring your own questions and curiosity into scientific research? Do you question intelligence and technology in a fundamental, creative, and playful way? Could you be a researcher who challenges scientific practice and pushes its boundaries?

Read here what we find important in our education.

The Creative Intelligence Lab (CIL) is an interdisciplinary research lab that connects researchers with different backgrounds across the cognitive and computer sciences. It is affiliated to the Creative Intelligence & Technology MSc program.

PhD defence

This dissertation explores new chemical strategies for the synthesis of self-adjuvanting peptide conjugates and immunomodulatory ligands aimed at targeted activation of the immune system.

This thesis advances our understanding of lipid uptake, a vital first step in lipid metabolism, by developing innovative click chemistry-based tools to study how immune cells internalize lipids.

Single-layer graphene (SLG) has attracted considerable interest as a proton exchange membrane for direct methanol fuel cells (DMFCs), owing to its atomic thickness, mechanical robustness, and unique proton permeability.

Arts and leisure, Arts and leisure

Green hydrogen is produced via a process called water electrolysis. During electrolysis water is split into oxygen and hydrogen.

Arts and leisure, Arts and leisure

This dissertation presents the synthesis and evaluation of antibody recognition for various capsular polysaccharide (CP) fragments of Staphylococcus aureus (S. aureus).

The Excellence of the Arabs is a spirited defense of Arab identity—its merits, values, and origins—at a time of political unrest and fragmentation, written by one of the most important scholars of the early Abbasid era.

Arts and leisure, Arts and leisure

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members examine the sources, design, effects and contestation of norms, rules, institutionalised practices and formal organisations that operate across national…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study phenomena such as migration, immigration, citizenship, integration, ethnic parties, minority and caste-based politics, borders and migration,…

The EU acts as one of the most powerful economic actors in the global economy, presents itself as the most successful integration project in recent history, and deploys one of the largest diplomatic services in the world.

This article explores how the meaning of the rule of law has evolved over the past century in UK and US parliamentary speeches, focusing on procedural (thin) and substantive (thick) conceptualisations.

The Leiden Healthy Society Center is a joint initiative of Leiden University's Faculty of Social and Behavioural Sciences and Leiden Municipality. The LHSC brings together wide-ranging knowledge, initiatives, and issues related to health and well-being in Leiden, and stimulates and facilitates cooperation…

My current research focuses on criminality and gender interactions in nineteenth-century Europe. This project uses a comparative methodology to explain gender constructions in a criminal and in a court setting.

This collection of papers was compiled in celebration of the remarkable academic career of Professor Wil Roebroeks, who has established himself as one of Europe’s leading figures in Palaeolithic archaeology over the past three decades and founded the Human origins research group at Leiden University…

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.

Lecture

During the project, this page will be updated with various written and audiovisual research outputs.

The workshops are open to everyone aged 17 and over. Leiden University students receive a discount on the course fee. View the varied offerings below. (The visual arts workshops include use of materials.) Registration for a workshop opens on January 15, 2026!

The specialisation enables you to understand the fundamentals of management and entrepreneurship alongside high quality mathematical research.

The English language and culture study programme also exists in the form of a part-time programme.

The Mathematics and Business Studies specialisation consists of 120 European Credit Transfer System (EC) points and includes a one-year mathematics component (60 - 80 EC) and a business component in the second year (40 - 60 EC).

The MSc program Evolutionary Biology focuses on important factors for the evolution of organisms. It prepares you for a research careers at universities, research institutes, or biotechnology sector. It’s also possible to combine training in biological research with training in communication, education…

The Biology and Business Studies specialisation consists of 120 European Credit Transfer System (EC) points and includes a one-year biology component (60 - 80 EC) and a business component in the second year (40 - 60 EC).

Here you can find answers to some frequently asked questions about the Public Administration master's programme.

Here you can find answers to some frequently asked questions about the Public Administration master's programme.

Here you can find answers to some frequently asked questions about the Public Administration master's programme.

Here you can find answers to some frequently asked questions about the Public Administration master's programme.

Leiden University and the Netherlands National Museum of Antiquities (Rijksmuseum van Oudheden) are jointly involved in the intensive archaeological exploration of Northern Syria, by means of field surveys and large-scale excavations at a number of archaeological sites in the Balikh basin: the Tell…

Along with your application, you will need to submit a variety of documents. Your previous education determines which menu in uSis (the online application portal of Leiden University) you have to upload your document(s). Also see the infographic on the right for more information.

Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…

The EU fundamental right to ‘freedom of the arts and sciences’: exploring the limits on the commercialisation of academia (AFITE) AFITE is an interdisciplinary five-year research project. It is funded by the Netherlands Organization of Scientific Research (NWO), as part of its Vidi scheme. Its principal…

At the initiative and expense of His Royal Highness King Willem-Alexander, Leiden University will be conducting a study of the role of the House of Orange-Nassau in Dutch colonial history. The project will run from 2023 to 2026.

Overview of the main research projects at the Leiden Papyrological Institute.

Research in the POD-group addresses all features of random phenomena – modelling, structuring, analysis, control, optimisation – and covers both fundamental and applied aspects.