What was the stringed instrument known in medieval and early Renaissance Italy as “cetra”?

The archaeological heritage of South America is facing increasing threats due to the expansion of agricultural activities, infrastructure expansion, illegal wood harvesting, and the current fire emergency plaguing the Amazon and other biomes of the continent.

The Flentrop Organ is the third organ to have been built for the Great Auditorium in the Academy Building in Leiden.

An important aspect of the promotion and safeguarding of good practices at the Institute of Psychology is to make sure that employees are being facilitated and guided by offering information about and resources for training. On this page, an overview of various mandatory and recommended training is…

What are the determinants of the willingness to administer rewards for cooperation and punishments for non-cooperation, and how do they influence people’s sanctioning behavior?

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Vulnerability and the associated levels of social resilience is what fascinates the researchers at the Institute of Cultural Anthropology and Development Sociology. What links a Japanese fisherman after the tsunami at Fukushima with a Ghanaian goldminer in an increasingly industrialised work environment?…

How do Chinese language teachers negotiate who they are as teachers when they work abroad? This dissertation offers clear, practice-oriented answers. It examines teacher identity - the everyday answer to 'What kind of teacher am I here?' - as it is reshaped through classroom interactions, institutional…

This is an Erasmus+ International Credit Mobility project of Leiden University Medical Center with the University of Havana.

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…

What is the optimal design of sandy solutions for sustainable climate change adaption, from an ecological, biophysical and societal point of view?

The Decolonising Collective Leiden is a platform for staff and students interested in exploring strategies to foster pluralistic, diverse, and decolonised knowledge production at Leiden University. While many discussions about decolonisation are ongoing in discrete spaces across the University, there…

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…

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

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

With the exception of external self-funded PhD candidates, all PhD candidates must follow a training plan established at the start of the doctoral process.

What categories exist in the languages of pastoralists? Do these semantic concepts reflect universal or languagespecific tendencies? What (environment? culture?) governs the similarities (or the differences) attested crosslinguistically in cattle colour systems?

Ancient Greek was spoken in a large number of different dialects. Although we do not find direct evidence for syllabic liquids in any of our sources, comparative evidence shows that these sounds must have been present in Proto-Greek, and that they were retained until comparatively recently in the prehistory…

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 early modern and modern Europeanists at the Leiden Institute of History approach the past from comparative and transnational perspectives, frequently placing the history of our continent in global contexts. Our research covers the geographical and thematic breadth of Europe since ca. 1500, with…

The application of compliance archaeology techniques such as mechanical large scale excavations where large quantities of data are gathered in relatively little time (and relatively inexpensively) and a firm post-excavation research phase yielded a whole new body of archaeological evidence.

The concept behind GraspOS is to build the European Federated Open Metrics Infrastructure in a decentralised way, where: different types of data come together to create metrics; tools and services are developed to improve EU or global infrastructures but are also shared with national or institutional…

How do interest groups in the Netherlands use strategic litigation to bring about political, social or legal change, and how does this strategy compare to other, more classical, ways to influence policy?

This is the 2017 paperback release of William Michael Schmidli's The Fate of Freedom Elsewhere, which won the 2013 Foreign Affairs Magazine Best Book of the Year.

How does the vision of problems and solutions from

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

Profile Area Political Legitimacy, Leiden University

The Law of the European Union is a complete reference work on all aspects of the law of the European Union, including the institutional framework, the Internal Market, Economic and Monetary Union and external policy and action.

This book presents an introductory survey of the major themes, thinkers and texts, philosophical genres and profound insights of the Chinese philosophical tradition. Its coverage ranges from the foundational history of Chinese thought in the 6th–5th centuries BCE up to the present day.

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

Leiden University has introduced the training program for the Basic Qualification in Education (BKO). This is mandatory and has been made available for (university) teachers and professors to obtain a BKO certificate, depending on the timing, scope, and duration of their employment.

What determines civic engagement in transboundary hydropolitics and why has it been muted in the Eastern Nile Basin?

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.

The Terrorism and Political Violence (TPV) research group focuses on understanding and addressing one of today’s most pressing security challenges: terrorism. Drawing from their academic expertise, the group offers a wide range of educational programmes designed for students, professionals, and a global…

This PhD project investigates the distribution and interpretation of quantity expressions in relation to the mass/count distinction cross-linguistically.

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…

Researchers at LED3 are working together with biopharmaceutical company Galapagos to develop software for use in early drug discovery (funded by NWO). This software is able to design molecules with several simultaneously optimized characteristics and will also take prediction reliability into consideration…

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with University of California.

The research of the department Public Management and Organisation addresses topics concerning the relationship between the structure of public organisations and behaviour, the role of public leadership in influencing behaviour within and around public organisations, and the importance of diversity,…

Nuclear Magnetic Resonance (NMR) Spectroscopy is a non-destructive analytical technique that is used to study the nature and characteristics of molecules with an atomic level precision. It has a wide range of applications especially in synthetic chemistry, biological and biochemical research groups…

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,…

In this special edition of Information Polity there is a focus on the transparency challenges of using algorithms in government in decision-making procedures at the macro-, meso-, and micro-levels.

We have recently discovered that there are biological proteins that phase separate out of solution much the way oil will de-mix from water (see movie). These form dense, liquid-like phases called protein condensates.

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

AI MAPS adopts a freedom and social well-being perspective and focuses on three themes to address key security challenges; Social disorder and public nuisances in neighbourhoods, High-impact crime, and Crowds and events.

Research groups in the Quantum Matter & Optics programme investigate electronic properties of matter and light-matter interactions with emphasis on quantum information.

The Delivery of Biotherapeutics research group is led by Prof. Matthias Barz and focusses on the synthesis and characterization of polypept(o)ids and their application in nanomedicine to improve existing therapies or enable novel diagnostic or therapeutic approaches.

Music can affect how we feel, think, and behave. But how do we learn about the specifics of people's responses to music so that we can apply this to health and well-being? By looking at characteristics of the music, as well as the differences between listeners, we hope to better understand as well as…