Our team is committed to the study of knowledge in its broadest sense, encompassing both ideas and practices in all its historical variety. We look at what people regarded as knowledge, how they created, collected, circulated and used it, also why it mattered to them, and how all this was embedded in…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members focus on the democratic role of citizens and the representative links between voters and politicians.

Leiden’s Institute for History has an exceptionally strong expertise in premodern European history in its global context, with specialists whose interests cover virtually the whole continent. We have a strong track record in leading larger research teams and work together with colleagues across Europe…

Can smart suggestions help translators work better with machine translation? As machine translation becomes the norm, professional translators are asked to correct its output; a process called post-editing. But how can we make this easier and more effective?

What are the host immune defence mechanisms that control intracellular infections and how are these subverted by pathogens?

This project investigates which metaphors are problematic in machine translation, when, why, and for whom.

What are the main issues leading to polarisation and division? What is the role of social exclusion in these processes? How can we inform and design better policies to safeguard young people from falling prey to intolerance and polarisation? The DRIVE project, led by Leiden University in The Hague,…

The Life in Custody (LIC) Study comprises a large-scale research project into prison climate and the quality of prison life in Dutch prisons.

Ancient historians have long been aware that patterns of coin circulation can shed light on levels of economic integration in the Roman Empire. More than forty years ago, Hopkins argued that large amounts of tax money were spent in the frontier provinces and that the non-military provinces recouped…

Investigating epistemic and ethical practices in medical experimentation on humans in the colonial period in Southeast Asia.

ADHD&me is a new cognitive-behavioural therapeutic intervention for young adults (16–25 years old) with ADHD, specifically aimed at improving self-esteem. In this study, we are conducting a Randomized Controlled Trial (RCT) to examine whether this intervention improves self-esteem and whether related…

Towards an international orientation in the field.

We will use Artificial Intelligence to make an intelligent, multilingual search engine for archaeological texts, which will enable new discoveries about the human past.

What was the environmental impact of the industrial mining revolution that transformed southern Africa? Specifically, what was the impact of industrial mining when viewed from a more than human multi-species perspective?

In 2015 the U.S. Environmental Protection Agency revealed that German car manufacturer Volkswagen had illegally installed software to produce fake NOx-emissions results. This study aims to analyze how the German news media framed VW’s role.

This project investigates the multilingual networks of Dutch lyrical texts, manuscripts and early prints, examining their transmission, dissemination, and reception during the 15th and 16th century.

The key subject of the Team Economic and Social History is Inequality (at local, national and global levels). We study this from an intersectional perspective: gender, class, ethnicity or race, religion, sexuality, age, ability/disability, citizenship and legal status. We study these categories of power…

What does it mean to perceive smell? This question fascinated poets and playwrights of the early modern period (ca. 1500–1700): their work abounds in references to and evocations of smell sensation and of specific scents. POEM maps the ways in which early modern writers put the language of smell – or…

The hinterland of important centres like Petra (Southern Jordan) can provide essential information that contribute to the understanding of their rise, expansion and decline.

Eyserheide. A Magdalenian Open-Air Site In The Loess Area Of The Netherlands And Its Archaeological Context.

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The Paramagnetic NMR Facility Leiden has been established to provide support to researchers who want to apply paramagnetic NMR spectroscopy to biomolecules. Support is offered in the design and synthesis of paramagnetic probes, either for general application (such as lanthanide tags and spin labels)…

What did colonial officials and missionaries think they were doing?

From 1717 onwards, many Dutch textile workers emigrated to Spain, recruited in the Netherlands through Spanish intermediary agents and diplomatic staff. Bourbon Spain wanted to strengthen its economy by founding royal factories and was in desperate need for skilled foreign labour. This example of labour…

The central aims of this project are to establish the shapes of the various urban hierarchies existing in the provinces of the Roman Empire and (especially) to use the quantitative properties of these hierarchies to shed new light on levels of economic integration.

The research group New Rural History (in Dutch: de Nieuwe PLAG) aims to stimulate the study of rural history in the Netherlands, particularly its political and cultural dimensions. It will develop a handbook to support researchers who want to work on Dutch rural history and will foster new research…