Baroque flautist Jed Wentz followed two years of dancing classes in order to develop the right feeling for the gestures required for the Baroque French opera genre ‘tragédie en musique’. In his dissertation, the links between gesture affect and rhythmic freedom in the performance of the tragédie en…

The philosophers at the Institute for Philosophy develop new perspectives and insights not only on topical themes such as immigration and climate change, but also on more fundamental philosophical questions.

This part of the research programme is carried out by Prof. Dr. René Cappers. It focusses on the continuities and changes in the use of plants at Late Neolithic Tell Sabi Abyad, as well as on their implications as proxy evidence for the climate change c. 6200 BC. Parallel to the design of the other…

The project falls in the context of the EU Thematic Strategy on the Sustainable Use of Natural Resources (COM(2005)670). The Institute for Environment and Resources (IES) of the Joint Research Centre (JRC) has developed three sets of decoupling indicators. Such indicators require the definition of a…

The close interaction between organic chemi stry and biology goes back to the late 18th century, when the modern natural sciences began to take shape. After synthetic organic chemistry arose as a discipline, organic chemists almost immediately began to pursue the synthesis of naturally occurring compounds,…

What distinguishes a tumour cell from a healthy cell? Researchers are trying to answer this question as precisely as possible. Certain differences could eventually lead to new therapies.

A look into the political history of collecting and the collections of Andean mummies in Western European museums from 1830-1930 through archaeology and paleoimaging.

AI4Europe is one of the projects, funded under the Horizon Europe programme, that is responsible for the management, development and facilitation of the AI-on-Demand Platform (AIoD).

The fourth ENPAIR conference will take place in The Hague, The Netherlands, at the Leiden University campus. We will meet there and find us in the middle of The Hague, international city of peace and justice, within walking distance from restaurants, bars, cafés, museums, and cultural institutions.

Our project focuses on the analysis of decision-making processes in the European Union (EU) and explores how approaches and tools to understand decision-making found in both the Natural and the Social Sciences can be linked, knowledge between these traditions exchanged and synergies utilized. To explore…

This PhD dissertation examines international responsibility for the crime of aggression from a public international law perspective. Under customary international law, as well as the amendments to the Rome Statute of the International Criminal Court adopted in the Review Conference in Kampala in 2010,…

The Leiden Ancient History specialization concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors. The appearance of these empires led to the development of an interaction network…

Globalisation leads to more contradictions between national and international tax norms. It therefore seems necessary to revise the fiscal legislation. This is not only due to the problem posed by multinationals, but also to changing norms regarding tax burden distribution. Fundamental research on the…

As terrorism scholars, we are intrigued by those who engage in violence. We study their motivations, tactics, ideology, organisational structures, and pathways to (de-)mobilisation, hoping to better understand terrorism and how we can counter it. Far less attention is paid to what happens after an attack…

A couple of years ago, theoretical physicist Carlo Beenakker tracked down the Majorana particles and inspired Leo Kouwenhoven from TU Delft to try to create them in a superconducting nano-structure. He succeeded in doing so in 2012, and the news made headlines around the world. But a lot of work still…

Physicists at the Leiden Institute of Physics (LION) conduct fundamental research into physical phenomena. They are inspired by curiosity and the desire to know more about the world in which we live. This research has always paved the way for new practical applications. These are something that the…

This project studies the roles of prehistoric foragers in past ecosystems to establish the character of past “natural” landscapes and enhance the management of current ones.

This study analyses the prehistory of a northeastern Siberian population, the Sakha, from both a molecular-genetic and a linguistic perspective.

Physicists at the Leiden Institute of Physics (LION) conduct fundamental research into physical phenomena. They are inspired by curiosity and the desire to know more about the world in which we live. This research has always paved the way for new practical applications. These are something that the…

Computers are becoming so smart that in the future they will perhaps take over the role of judges. In the meantime, experts at Leiden University are examining the question of which standards responsible data science should meet.

The artefacts that still remain from the traditional culture of the indigenous Yukon, Canada, are spread over dozens of museums throughout the world. Yukon Indian Ukjese van Kampen carried out research to bring this culture to light. This is the subject of his dissertation entitled ‘The history of Yukon…

Muslims have lived in Eastern and South-Eastern Europe for centuries. Their arrival in Western Europe, the two Americas and Australia is however relatively recent. Studying how Muslims relate to their Western environment (and vice versa) and the mutual influences of Western and Islamic philosophies…

Some MPs are very active, while others are not. The number of proposals and questions that MPs in the Netherlands put forward is determined in part by the level of activity of their fellow committee members rather than by electoral incentive, which is the case in other countries.

A biographical approach to material cultural interactions between Caribbean communities and Europeans across the historical divide (AD 1000-1800)

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 conquest by Rome brought profound changes to large parts of Europe. Unprecedented infrastructural works such as roads and harbours were created, towns sprang up, a ribbon of fortresses was laid out along the frontiers and there is a vast increase in material culture to inform us about the lives…

This is an Erasmus+ International Credit Mobility project of the Faculty of Science with two universities in Armenia.

How did parties as political organizations emerge?

The combination of global questions and a wide range of local sources characterizes the Leiden University Institute for History.

In the logic and aesthetics of a republican baroque the existing world is the result of a moment in which for a split second two or more realities are equally real and after which only a singular one becomes actualized.

Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.

Leiden University actively seeks to prepare students for the labour market and wants to help young alumni at the start of their careers. For this we like to use the knowledge and experience of Leiden alumni. To bring these students and young alumni who have questions about their career in contact with…

The discovery of new medicines is a tedious and lengthy process. On average, over 10,000 molecules need to be studied for one to become a drug and reach the patient. Part of that process are the very costly clinical trials in humans, and candidate drugs often fail due to side effects or lack of efficacy.…

In this project innovative technology for photovoltaics cells is developed and analysis of ecological and health related risks are explicitly accounted for.

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.

The central aim is to systematically study differences in gendered crime patterns in the records of different types of courts in various Dutch cities in the early modern period.

A retrospective impact assessment of human and environmental resource usage in Late Bronze Age Mycenaean Monumental Architecture, Greece

This is an Erasmus+ International Credit Mobility project of Leiden University with the Hebrew University of Jerusalem.

To ensure that the growing global flows of labour migrants are guided correctly, we need knowledge. Why do people leave home, why do they go to specific countries, and how can that choice be influenced? And what are the consequences of their leaving for the people who stay?

The Institute of Private Law was closely involved in the development of Nieuw Burgerlijk Wetboek (the Civil Code of the Netherlands, which came about between 1948 and 1992). It has continued to fulfil this socially engaged role over the years. It also made a significant contribution to the development…

In the past few years, an increasing number of multinationals have made the news for large-scale use of tax planning opportunities. The Organisation for Economic Collaboration and Development (OECD) and the European Commission are studying these cases closely and investigating whether the current concepts…

Data science is now growing fast in many places, but scholars at Leiden University have been developing data science techniques for a long time already. Thanks to their broad-based expertise, Leiden statisticians are currently combining the achievements in statistics with the latest methods of statistical…

Digital Humanities Student Network

This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with the University of Hyderabad.

This functional genomics project aims at understanding the biology of the underlying mycelium differentiation and autolysis processes in much more detail.

Basketry, cordage and textiles made of plant fibers or bark are rarely preserved in the archaeological record. By means of experimental archaeology and microwear analysis, we obtain indirect evidence about this important craft.

Bone research provides plenty of detailed data about the health of a person or a group. This data is not only used to reconstruct the past but also to fight disease today.

Multinationals use loopholes in the tax treaties between different states. A possible solution would be to eliminate all these loopholes in one go by creating a central global treaty. Leiden researchers are investigating whether this kind of mega-treaty is feasible.

Chemical reactions go hand-in-hand with an energy exchange with the environment in which they take place. Surfaces offer a variety of energy dissipation channels, constituted by the nuclear and electronic degrees of freedom of the atoms at the interface. Aiming at an improved future harvesting of energy,…