This dissertation provides a thorough review of the words belonging to the oldest layer of Germanic loanwords in Proto-Slavic and answers the question of how these words were adapted to the Proto-Slavic accentual system.

The ambition of the Metabolomics and Analytics Centre led by Thomas Hankemeier is to develop innovative analytical strategies for metabolomics-driven health monitoring and systems biology studies. Understanding the intricate balance between health, disease and adaptation to challenges relies on the…

A study by a Leiden-Wageningen group shows that present-day humans are biologically poorly equipped to deal with the toxins they are regularly exposed to in smoky environments: compared to earlier hominins, we modern humans are probably even worse off. The study appeared in Molecular Biology and Evolution.…

Below you can find information about the research projects on public leadership of the public management research group at the Institute of Public Administration.

DSE 2.0 concerns research on DSE techniques for complex dCPS

The research of this PhD project can be subdivided into two main disease areas: migraine and stroke. For both we will be investigating how artificial intelligence (AI) and machine learning (ML) techniques can be used to study these afflictions, their (early) detection, and their potential treatment.

How to get involved in sustainability? Read more about four projects that Leiden University helped realise in the past few years.

This project investigates the well-preserved agricultural terraces of the Inn valley and the evolution of resource use in the inner Alps.

Open Educational Resources (OER) have the potential to change teaching in Higher Education, but adoption is low despite the growing amount of resources available. The current project aims to investigate if and how teacher communities can foster adoption of OER in curricula.

In order to gain insight into the structure and function of the molecular complexes involved in chemotaxis, we use electron cryotomography (ECT). This technique allows us to directly study microbes in their native state at resolutions capable of visualizing individual proteins.

This research investigates the changing landscape and land use in two case studies of the coastal villages of St. Kitts and the Kalinago Territory of Dominica. By integrating human and ecological aspects of agrarian landscapes, this research analyzes how land degradation or land change impacts cultural…

Since its inception, a central preoccupation of and for the International Criminal Court (ICC) has been the nature of its relationship to national jurisdictions. Complementarity—the idea that the Court is intended to supplement, not supplant, national jurisdictions—has been the dominant juridical logic…

Peer-mentored cognitive behavioral therapy for adolescents with mild intellectual disability and anxiety disorder

In deep reinforcement learning, searching and learning techniques are two important components. They can be used independently and in combination to deal with different problems in AI, and have achieved impressive results in game playing and robotics. These results have inspired research into artificial…

The Cognitive Psychology Unit has two main research lines, which focus on basic cognitive (neuro)science and applied cognitive psychology.

Don’t wait until you’ve been hacked: how we should prepare for cybercriminals

Brain activity changes as people age, which can lead to cognitive decline. By measuring and comparing brain data from mice and humans, the researcher will investigate how the brain’s noise levels change with age and affect choice behavior.

Reproducing past, present and future: colonial visions and experience in Asia in the residencies

Despite their ecological, cultural, and economic importance, lion (Panthera leo) populations in Kenya are declining rapidly due to retaliatory killings following livestock depredation, depletion of wild prey, habitat loss driven by human activities, climate change, and disease.

With an MSc degree in Governance of Sustainability you are well prepared for a broad array of career prospects in the field of sustainability, such as working with or for governments, at consultancies or continuing your academic research.

Anxiety disorders, like specific phobias, are among the most prevalent mental health disorders that may hinder children in their development. Cognitive Behavioral Therapy (CBT) is considered an effective treatment for childhood anxiety. After treatment, children are encouraged to practice at home with…

Within the two-year Astronomy master’s programme, you can choose from seven specialisations, ranging from fundamental or applied astronomy research in cosmology, instrumentation or data science, to combinations of astronomy research with education, management or science communication.

Research at the department of Environmental Biology

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

The Board of Examiners of the Leiden Institute of Advanced Computer Science (LIACS) consists of scientific staff members that are appointed by the Board of the Faculty of Science and acts independently from the research institute.

The master's specialisation in Visual Ethnography enables you to combine technical mastery of audiovisual production with ethnographic research skills. Your experience ranges from project design to field studies, to scholarly output.

The master’s specialisation Algebra, Geometry and Number Theory at Leiden University is aimed at students who wish to acquire a profound knowledge of one of the areas within pure mathematics. There is a strong theme dealing with algebra and number theory as well as a strong theme dealing with topology…

How do museum visitors interpret the authenticity of museum objects? How can we support visitors' meaningful interactions with real objects?

The Laboratory for Material Science, Technology and Culture (MATEC Laboratory) is a research and teaching facility dedicated to the scientific and cultural study of archaeological materials. We bring together a multidisciplinary team working at the intersection of materials science, archaeology, and…

Non-urban settlement organization and Roman expansion in the Roman Republic (4th-1st centuries BC)

The Leiden Leadership Programme (LLP) employs experts in the field of leadership. They equip LLP students with the necessary leadership knowledge, insights and skills to increase their social impact.

How do young adults find their way in an increasingly complex society? In Leiden, as part of the GUTS project, we study how brain development and self-regulation play a role in this process.

We investigate the processes underlying the patterns. We aim to explain biodiversity by investigating the distribution, function, development, and evolution of body forms, as well as physiological and behavioural variety among species. We collaborate with those specialized in describing, archiving,…

We investigate the processes underlying the patterns. We aim to explain biodiversity by investigating the distribution, function, development, and evolution of body forms, as well as physiological and behavioural variety among species. We collaborate with those specialized in describing, archiving,…

How do societies move forward with sustainable, effective and efficient management of Earth's water resources?

On Thursday October 30th Brendan Carroll successfully defended his PhD dissertation entitled:

This project will study the cultural meaning of the mythological figure of Orestes within the ancient Greek imagination, as it emerges from various literary sources from the archaic and classical periods.

Despite the field’s general agreement that pyrotechnology had a significant impact on the cultural evolution of humankind, our understanding of the origins and development of fire use and its role in humankind’s cultural evolution is very limited, blurred by strong disagreements over its chronology…

Growing health inequalities, rising healthcare costs, an ageing population, and shortages of healthcare staff are just some of the challenges facing healthcare, both in the Netherlands and beyond. These issues transcend the boundaries of the medical sector and touch on broader themes such as social…

The Ra’s al-jinz project tackles economic diversification and social complexity in non-urban societies, from the perspective of Eastern Arabia, by exploring the Early Bronze Age settlement of Ra’s al-jinz RJ-3.

The Swahili coast has a long-standing history of transoceanic Islamic connections dating back to the 25th century. Yet, print, has changed the world – not only ours. This project unravels unique forms and archives of intellectual history emerging from within South-South connections. In East Africa Indian…

The lecture series 'Humanity in the Automated State' examines how AI and automated systems are transforming government and public administration and what it means to be human within these digitised institutions.

In this training course, professionals and students learn to anticipate change and face uncertainty with confidence. The programme is offered in a mixed classroom setting, in cooperation with the Leiden Learning and Innovation Centre (LLInC).

The LUCDH foster the development of new digital research by awarding a number of Small Grants each year. COIn Grants support Infrastructure development. We congratulate our four successful awardees for 2026.

Our mission is to improve the description, prediction, understanding and the prevention and treatment of mood disorders, including unipolar and bipolar depression, as well as suicidal thoughts, feelings, and behaviors. To tackle this ambitious mission, we focus on several research streams.

How has migration affected Irish and Italy society since 1945?