The world is full of wars, and no war is without its dead. What happens to the bodies of fatal casualties of armed conflict? The winner of the faculty Jongbloed Thesis Prize 2015 is Welmoet Wels (Public International Law). Her thesis Dead body management in armed conflict: paradoxes in trying to do…

How has early development in R. ocellatus been modified as a result of its parasitic embryonic lifestyle?

Experience a different university, and a different perspective, through the Live My Life programme.

SOLID: Solidarity under strain - A legal, criminological and economic analysis of welfare states and free movement in the EU. Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

Atherosclerosis (thickening of the artery wall) is the most common cause of heart attacks or strokes, and one of the most common causes of death in the western world. People with this condition have to take medicine all their lives, so a vaccine for atherosclerosis would be a breakthrough.

A large amount of the EU's used or wasted textile is exported towards lower-income countries. Much of this exported textile is either burned or dumped and the amount that is truly reused or recycled is uncertain.

This section features online articles by or about the team members of the Food Citizens? project.

Humanities are needed to make sense of social issues. Watch or listen to the stories of our experts who tell about their research and the impact on society. Get to know the world at Humanities!

This research explores the question of what contemporary mapmaking practices can reveal about the ever-evolving field of graphic design.

Han De Jong gave an overview of (the run-up to) the current economic crisis and discussed which steps could be taken to resolve this crisis.

This NWO-funded VICI project (2025-2030) led by Prof.dr. Petra M. Sijpesteijn examines the place-making processes in the early Islamic Empire.

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…

One of the most crucial aspects of our behaviour is our motivation to explore novel environments and interact with new people. This became painfully clear during the COVID-19 lockdowns, when many people suffered from lack of new experiences and real-life social interactions. The relevance of novelty…

The specialisation in European Union Studies offers students an opportunity to study the processes of European integration from a multi-disciplinary perspective and combines academic excellence with practical insights into the processes of policymaking in Europe.

How did early modern people find out about new knowledge? And did that make them more willing to accept innovation? In the coming years, we will study how and to what effect, new knowledge anchored among the wider public in the early modern Low Countries.

The Faculty of Archaeology ranks as the best on continental Europe and is in the top ten of the world. Our master’s degree in archaeology offers the most diverse programme of its type in the Netherlands.

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High-quality education by talented lecturers and renowned researchers, international fieldwork internships, and practicals in ultramodern laboratories: the master's programme in Archaeology (research) at Leiden University offers you the perfect basis for a successful career.

The Faculty of Archaeology ranks as the best on continental Europe and is in the top ten of the world. Our master’s degree in archaeology offers the most diverse programme of its type in the Netherlands.

The Faculty of Archaeology ranks as the best on continental Europe and is in the top ten of the world. Our master’s degree in archaeology offers the most diverse programme of its type in the Netherlands.

Promotores: S.J. Edixhoven, P.Parent

The Faculty of Archaeology ranks as the best on continental Europe and is in the top ten of the world. Our master’s degree in archaeology offers the most diverse programme of its type in the Netherlands.

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.

Next to internships we have different ways to collaborate. See below for more information about LUdev and the AI Collaboration team.

LIAS PhD program activities include thematic coursework (the PhD Seminars), skills training, research talks, social events, and so on. Skills training sessions and research talks are moderated by the director of doctoral studies. All events are open to all LIAS PhD candidates, including visiting sch…

Leiden University is a unique international centre for the advanced study of languages, cultures, arts, and societies worldwide, in their historical contexts from prehistory to the present.

Are you a student, resident, civil servant or researcher? Would you like to contribute ideas and work together for a more sustainable The Hague? Then read on.

In February 2026, Leiden University’s new Sport Centre opened on a prominent new site directly on the Campusplein. Its relocation brings sport visibly into the heart of campus life, with the outdoor fields seamlessly connected to the building. Substantially larger than its predecessor, the centre offers…

From summer and winter schools to online workshops, explore, connect, and grow as a researcher.

Study of human cultures using computational approaches

In zijn boek 'Chasing Events' onderzoekt Thijs van Dooremalen hoe we de impact van ingrijpende gebeurtenissen echt kunnen begrijpen. Hij laat zien dat traditionele vergelijkingen tekortschieten en pleit voor een nieuwe manier om de effecten van 'events' op lange termijn te analyseren.

Researchers in Leiden have, for the first time, observed how a specialised enzyme helps bacteria stay alinve when oxygen levels are low, and how that process can be blocked. The discovery opens up new possibilities for targeted antibiotics.

The aim of the research programme is to provide insight into the cognitive processes and brain mechanisms that underlie reading, arithmetic and learning in general.

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

In a longitudinal study, Eichengreen and colleagues explored how the certain aspects of emotional intelligence impact the development of adolescents’ mental health, thus identifying potential warning signs and targets for intervention programs. Despite a higher risk for mental health issues and lesser…

The chain that supplies patients with new medicines consists of various complex links: from fundamental research to clinical tests and production. This entire chain is represented in Leiden. Leiden University, the Leiden University Medical Center (LUMC), and the companies on the Leiden Bio Science Park…

In the Netherlands judges are not the only ones to impose sentences. The Public Prosecution Service and the authorities can also pass sentences. Experts from Leiden research how these sentencing processes work and how they can be improved in order to protect the legal status of the public.

If researchers make their data FAIR, computers can link large quantities of data and identify patterns, thus greatly accelerating the process of arriving at new insights. In Leiden, the birthplace of ‘FAIR data’, Professor Barend Mons explains the meaning of this term.

The impact of global connections and the formation of the Roman Empire (ca. 200-30 BC)

Some people are predisposed to develop cancer. Mutations in genetic material that increase a person’s chances of developing cancer can already be present at birth. Researchers are closely examining these mutations to learn more about how cancer begins to develop.

Local settlement system and social structure in the roman period at Oss (the Netherlands).

The quantum nature of matter and light has grown into a broad and fruitful research field for theorists and experimentalists alike. It combines foundational research with toward applications, the most well known of which is the quantum computer.

The progression of EU law: Accommodating change and upholding values Coordinator: Dr. Moritz Jesse

Cognitive decline (amongst other problems with attention, concentration, memory) is a common symptom in patients with a variety of brain disorders and has been related to healthy ageing as well. People suffering from cognitive deficits are often significantly hampered in their day-to-day functioning…

Understanding what motivates foreign fighters to go and fight in war zones and analysing their social environment offers a basis for preventing them from going.

At Leiden University, researchers from all disciplines work together to find answers and design innovations in the field of artificial intelligence.

Regenerative medicine is a new way of treatment that helps impaired cells, tissues, and organs work well again. We do this by repairing, replacing, or restoring cells, tissues, and organs after damage from illness or injury. This includes treating long-term diseases such as diabetes, kidney diseases,…

Persistent somatic symptoms are long term symptoms that lack a clear medical explanation. These symptoms have a high prevalence where most people know someone who experiences such symptoms or they experience such symptoms themselves. Symptoms can vary greatly in and between people. While one person…

Having a chronic somatic condition can result in a variety of impairments in patients’ daily lives, including not only physical complaints such as pain, itch, and fatigue, but also problems of negative mood and impairments in social relationships. Next to disease characteristics, individual difference…