Which plant leaf characteristics are involved in thrips resistance in tomato?

This thesis contains results on the arithmetic and geometry of del Pezzo surfaces of degree 1.In Chapter 1 we give the necessary background, assuming the reader is familiar with algebraic geometry.

On this page, you will find the recordings of the Tuesday Talks since April 2025. Recordings of the precursor to the Tuesday Talks, This Week’s Discoveries, are also available here.

Can positive peer feedback break the cycle of negative self-relevant cognitive processes and reduce self-reported anxiety in early adolescents?

This open access volume surveys the state of the field to examine whether a fifth wave of deterrence theory is emerging. Bringing together insights from world-leading experts from three continents, the volume identifies the most pressing strategic challenges, frames theoretical concepts, and describes…

An overview of all special issues published by The Hague Journal of Diplomacy.

The project aims to conserve and consolidate the entrance gate to the Roman Desert Frontier Fort Qasr Bshir.

The Leiden | Islam interview series contains short documentary-style videos including interview flashes with leading scholars in the field of Islam and Muslim societies. With this series, LUCIS aims to show the value of unconventional insights related to Islam and Muslim societies, and to relate them…

If you want to find out more about Leiden University, you can read our publications online or request a printed copy.

Desinging Your Life helps students at Leiden University to design their life path and face the future with confidence. On this website, you find all you need to know about your Designing Your Life opportunities in Leiden.

The Institute Board is responsible for the overall management of the institute, as well as the administration and organization of the institute’s teaching and research activities. Research and education are managed collaboratively, with strategic input from various representatives and groups, including…

The Europa Institute has been the beneficiary of a generous grant from the H.L. Wesseling Fund. The Fund was established in memory of Professor Henk Wesseling (6 August 1937 – 18 August 2018), Dutch historian, Professor of contemporary history at Leiden University, and former rector of the Netherlands…

Jews and Christians in the Middle East

Researchers using remote sensing technologies have characterized pre-Columbian regularly-shaped earthworks in forests in Central America and the Amazon. In tropical forested mountains in South America, two challenges arise when identifying archaeological sites through remote sensing. Firstly, sites…

This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with Université Mohamed VI Polytechnique.

During international training-sessions for judges on the JudgeCo project by the end of 2014, the LLS-team received several questions on the meaning of a protocol within the framework of international insolvencies. It appeared to be an obscure phenomenon. The LLS team promised to conduct a study on the…

In 2021, Leiden University will develop a new Sustainability Vision 2030. This vision for the future focuses on the primary tasks of the University: integration and visibility of sustainability in our education and research.

Researchers at Leiden Observatory study the fundamental physics that creates structure in the Universe. These processes collect matter into galaxies and gas into stars. With the use of powerful telescopes and advanced calculations and computer simulations, Leiden astronomers seek to understand the origin,…

‘Going Beyond Gender’ reveals how diverse women's experiences and backgrounds can be and how this diversity can affect their opportunities and career in academia. The entire film was recorded in and around the Kamerlingh Onnes Building as well as the Academy Building. The five women featured in the…

In this dossier you can read about Leiden University’s commitment to sustainability.

Why, then, do governments choose to disclose intelligence and what factors shape how they do so?

Leiden University wants to create a safe and stimulating environment for everyone. However, you may experience issues at work that you cannot solve yourself. Your first point of contact for such situations is your supervisor. If you feel you cannot talk about it with your supervisor, you can turn to…

EU Cyber Direct – EU Cyber Diplomacy Initiative supports the European Union’s cyber diplomacy and international digital engagements in order to strengthen rules-based order in cyberspace and build cyber resilient societies. To that aim, we conduct research, support capacity building in partner countries,…

Exploring cultural production in Europe, Latin America and Africa, the institute’s research programme focuses on the continuous interconnectedness of the Arts and Society in both the textual culture of literature, learning and public debate and the visual culture of art, architecture, film, photography…

References to nature and the environment in the Caribbean literary and the contemporary age of globalization.

Following the terrorist attacks in Paris (November 2015) and Brussels (March 2016), Belgium’s counterterrorism policy has been heavily criticized – domestically and worldwide.

Our group is part of the Metabolomics and Analytics Centre where we accompany the data from its acquisition all the way to the publication of identified associations and biomarkers for a range of human diseases. The generated data of the metabolic measurements are assessed using an in-house quality…

This programme starts from the idea that cultural discourse is one of the main engines of intellectual history and the history of ideas.

-

Curious about how sustainability fits into our university's strategic plan, or how much energy and water we consume? Read about it here.

This is an Erasmus+ International Credit Mobility project of Leiden Law School with three universities in Kenya.

Impressions by Oene de Haan - PhD candidate at Utrecht University

The overall aim of the project is to investigate interests and their development over time in a daily life context, with particular attention for the transition from late secondary to post secondary education, and from late post secondary education to early career.

Workshop

Play and Media is one of the six research themes of the LUCAS Modern and Contemporary cluster.

The faculty offers several options to deepen and develop your knowledge while being employed. Within the faculty's themes, or in your own working field as a dual PhD candidate, you will be guided to make a next step in your career.

The Sundanese people, the largest ethnic group in West Java, have been using traditional medicine for a long time. Known as ubar kampung, Sundanese indigenous knowledge, beliefs and practices of traditional medicine are based on local people’s knowledge and use of Medicinal, Aromatic, and Cosmetic (MAC)…

The main focus of our research programme is on adolescence, a key transitional period in human development. The programme puts emphasis on combined experimental behavioural and neural analysis of normative transitions and deviations in adolescent development.

This project combines and reconsiders all the available evidence of the Scheurrak SO1, and use new archival databases and modern archaeological techniques to shed new light on the material culture of the Baltic grain trade and the Holland shipbuilding industry at the turn of the sixteenth century.

What are the environmental impacts of widespread integration of bio-based products into the construction industry?

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

Explore student life for the MSc The Politics of Artificial Intelligence at Leiden University: student associations, events, extracurriculars, and living in The Hague.

The Biology programme offers 4 research-oriented specialisations corresponding with the research themes within the three institutes involved. You can choose a more practical-oriented specialisation if you would like to combine Biology with education, management business, or science communication.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

Leiden University offers ambitious students a world-class environment in which to reach their potential.