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…

This research project addresses an unexplored dimension of historical conflict resolution: the dynamics of strategic choices made by traders engaged in foreign trade in the city of Danzig (Gdansk) c. 1450-1580, a Hanseatic city under the Polish Crown.

In tracing intra-site, local and regional craft networks in Late Bronze Age Tiryns (Greece) the project aimed to understand technological changes, (dis)continuities and social practices from the Late Palatial until the Post Palatial periods in Mycenaean Greece.

Social assistance and minimum income benefits are important instruments as a safeguard against low income and poverty. There have been major developments in minimum income benefits both in developed and developing countries over the last decades. Our study collects several empirical studies regarding…

Getting personal

What is the population size/structure and distribution of tiger and leopard inside the Bardia National Park (BNP) compared with the population outside? What is the movement and home range and conflict pattern in time and space of tigers and leopards inside the BNP compared with outside? What constitutes…

Commonplace - Photographs from the Drummond-Fyvie Collection and the Ngilima Collection. By Tamsyn Adams and Sophie Feyder.

The aim of the Standard Operating Procedures for Research Integrity (SOPs4RI) project was to promote excellent research and a strong research integrity culture that aligns with the principles and norms of the ‘European Code of Conduct for Research Integrity’, and to counter research misconduct. The…

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.

What can languages spoken in the Lesser Sunda Islands today tell us about the histories of its various population groups?

Our team is involved in the translation and adaptation of several questionnaires, for research purposes. Information about each questionnaire is listed below.

The goal is to develop educational materials for Dâw, Hupd’äh, and Nadëb Indigenous peoples (Naduhup family; Middle and Upper Rio Negro; Brazilian Amazon). In order to achieve this, first of all, the fieldwork data collected during a collaborative project among anthropologists and linguists (2017-2020)…

The MCS group consists of five staff members, all of whom have a strong link to the Museums and Collections programme of the Faculty of Humanities and the Heritage and Museum programme of the Faculty of Archaeology.

By comparing the archaeological evidence at Sedgeford and other sites located on both English and Continental coastal zones, what evidence is there for a shared maritime culture between these North Sea communities? Also if evidence is found, can we reveal to some extent a separate coastal identity to…

To what extent and how do identity processes influence health behavior?

The role of transnational, non-institutional networks in the opening up of British transatlantic trade at the end of the 17th/beginning of the 18th century

Which factors (human-dimension and carnivore related) shape human tolerance of large carnivore and large carnivore survival in multiple use forests?

For many years, human rights have been considered a playing field in which states were the most important actors. It is they who in multilateral relations, such as the United Nations (UN), the World Trade Organisation (WTO) and the International Labour Organisation (ILO), have written international…

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…

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

How did parties as political organizations emerge?

A next, general pharmacological problem to be tackled is how drug-target binding kinetics in vivo, affects target occupancy as an important indicator of the time-course of drug effects.

Leiden Law School offers intensive education programmes that provide tremendous opportunities for talented students.

How does stress influence cognitive performance? What is the role of selective attention to threatening information in this effect? Could we prevent stress-induced decline of cognitive performance with pharmacological interventions? Could we use resting state theta/beta ratio as a biomarker for cognitive…

Leiden experts examine European legislation and ways in which better European legislation lead to citizens' support.

In 2015 the division ‘Migration and Crime’ of the Dutch Society for Criminology has been established to bring together academic researchers that are active in this diverse field with each other and relevant persons and organisations. On March 10 it will organise its first seminar on labour exploitation,…

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?

Impressions by Oene de Haan - PhD candidate at Utrecht University.

The mission of the Plant Sciences cluster is to contribute to the sustainable production of high-quality crops, flowers and high-value bio-based products, and to contribute to the maintenance and restoration of biodiversity in natural ecosystems. This is realised by generating fundamental knowledge…

An overview of the research at the Biologics Formulation group

At the Leiden Curious Minds Centre, our research focuses on the relationship of exploratory behaviour and discovery learning to curiosity and the way children regulate their behaviour and emotions. We want to improve our understanding of how children can and do become more and more the captain of their…

Examining the sustainability aspects of biotechnology, especially those related to the production of ethanol from biomass.

How does having limited access to the social world affect Deaf or Hard of Hearing (DHH) children’s emotional development? And in turn, how do impairments in emotional functioning affect social development and the development of psychopathology?

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

docARTES is a doctoral programme for performers and composers. It offers a unique environment for critical reflection on musical practice.

A multi-disciplinary approach to past lifestyles and cultural practices

When do fire making tools appear in prehistory, and how might the use of these tools manifest in the archaeological record?

Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…

Assessing the feasibility and legitimacy of the current model of global tax governance and the role of the OECD and EU in international tax law-making.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

How can Indonesia’s Ombudsman in the Regions be strengthened?

The local ordering of atoms at the surface of a metallic particle determines its catalytic activity and selectivity. As energy systems of the future will be based on efficient catalytic conversion of small molecules in closed cycles, we study how structural effects of catalysts can be used to our ad…

Prof. Elizabeth de Lange is concerned with the allocation of resources for the conduct of science towards the goal of best serving the public interest. Also, while she underscores that there is still the need for using animals in drug research, she is concerned about this use, and advocates the use…

Knowledge is everywhere at Leiden University. It is also accessible for those who do not study or work at the University.

What are the most important perpetuating factors of chronic fatigue and chronic fatigue syndrome, and which interventions are effective in influencing these factors?

Between 1600 and 1800 countless manuals appeared on the subject: the improvised bass part on the harpsichord, pianoforte or organ. Musician and researcher Kathryn Cok unravels the secrets of the Dutch basso continuo accompaniment for modern-day musicians.

Can the conditioning paradigm be used for checkpoint inhibition cancer treatment?

The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…

The research team

Johannes Boer's research intends to question the way explicit knowledge is applied in order to restore and perform music from the past with the intention to get as close as possible to its original meaning.