We live in a data-drenched society awash with numbers. An inhabitant of the democratic polis of Athens (5th and 4th centuries B.C.E.) increasingly found himself surrounded by numerical data. This project aims to analyze the communicative functions and the political meaning(s) ascribed to these public…

Explaining the origins , patterns and outcomes of crisis management efforts.

Bronze Age settlement sites in the Dutch river area (c. 2000-800 BC)

Self-censorship violates principles of a free society but few people want to take the role of the martyr.

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

The research will touch upon the communal role of text and the actions of interpretation and discussion that developed among Jews in exile.

Ongoing microwear analysis of the flint artefacts from the Funnelbeaker period suggests that flint had a pivotal role in the representation and structuration of the cosmological order of Funnelbeaker society.

The lipid matrix of the skin's stratum corneum plays a key role in the barrier function, which protects the body from desiccation. The lipids that make up this matrix consist of ceramides, cholesterol, and free fatty acids, and can form two coexisting crystalline lamellar phases: the long periodicity…

On June 9-10 2016 Dr. E. Devroe of the Institute of Security and Global Affairs (ISGA) was invited as a key-note speaker on ‘Intelligence Led policing and community oriented policing’ at the annual meeting of the ‘Organization for Security and Co-operation in Europe’ (OSCE), Transnational Threats Department,…

In deep reinforcement learning, searching and learning techniques are two important components. They can be used independently and in combination to deal with different problems in AI, and have achieved impressive results in game playing and robotics. These results have inspired research into artificial…

How to make a quantitative assessment of the relative contribution to toxicity of ions and particles? Is the toxicity of nanoparticles related to their size or shape? Which physicochemical property of nanoparticles is an appropriate dose metric of nanoparticles?

Didactics

The main aim of this project is to investigate the various ways in which language categorizes possession, how these are morphosyntactically encoded across and within languages, and how this distinction should be represented in a model of the language faculty.

The emergence of the Köprülü household that imprinted its stamp on the latter half of the seventeenth century in the Ottoman Empire. What is the power struggle they carried out against Ottoman dynastic power?

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Coming to and living in The Netherlands after Brexit.

Advancing the understanding of the interaction of light and matter on the single-quantum level is important for near-future quantum technologies but also to answer fundamental questions.

YAL connects academics to society.

Serge Rombouts is a physicist whose PhD thesis was about functional MRI (fMRI). This visualises activity in regions of the brain. The appealing images of glowing brain regions that emerge from the computer are the result of calculations. According to Rombouts, this isn’t proper artificial intelligence.…

If you wish to come to the Netherlands, there are certain immigration procedures you need to follow. Leiden University can apply for a visa and residence permit on your behalf.

Kohei Suzuki, Assistant Professor at Institute of Public Administration, and two other authors researched the topic of innovation by governments in response to expected population decline.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

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…

We live in a world of things and people in the past must have been as closely entangled with their material surroundings as we are now. In the Laboratory for Artefact Studies Van Gijn takes a close look at the biographies of objects: what kind of raw material an object is made off and what is its provenience,…

The Museums, Collections & Society research programme is led by the Faculty of Humanities and the Faculty of Archaeology and aims to promote collection-based research, stimulate Leiden education in this field, and raise ethical questions regarding the collections’ origins.

The Forensic Family and Youth Care Studies research group conducts innovative high-quality research aiming to gain knowledge about deviant developmental trajectories of vulnerable children, adolescents, and families, about how to prevent problematic development and how to intervene when necessary.

Set up in 1991, this unique project aims to identify and describe the common lexical heritage of the most important Indo-European languages and language branches. The project has thus far resulted in twelve volumes published as The Leiden Indo-European Etymological Dictionary Series (Brill, Leiden).

Developing methodes to understand the evolution of patches in natural ecosystems

Effectiveness of an early intervention program for anxiety-prone toddlers in the Netherlands

How can we promote more durable solutions to protracted refugee situations and which roles can connectivity and mobility of displaced people play to improve protection and resilience?

A hot topic in educational sciences is whether and how reading medium (paper vs. screen) affects reading comprehension. Especially in the media – but also in schools – their appears to be a preference for texts presented on paper: Paper texts are thought to induce a more intensive reading strategy,…

Can a virtual character’s friendly non-verbal responses stimulate eye-contact in individuals with varying levels of social anxiety?

In dozens of study rooms, libraries and laboratories, passionate scientists – with the support of the donors of the Leiden University Fund – are working on a fundamental understanding of the world and the people around us. They make the unknown known and push the boundaries of existing fields of sci…

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Százhalombatta-Földvar is a Bronze Age fortified tell settlement on the right bank of the river Danube, 30 km south of Budapest in Hungary. It is one of the best preserved temperate climate tells in Europe and well-known for the extraordinarily rich data it produces. Since 2014 Leiden students are welcomed…

Emily Wolff, PhD candidate at Leiden University, wrote a paper about the inclusion of imperial citizens in the Dutch post-war welfare state.

Our researchers form a unique and interdisciplinary team who are active in various fields.

The IBL represents the core of modern biological research at Leiden and we interact closely with the other life science Partner Institutes in the faculty:

Subproject of

This project investigates how robot testing facilities could help to optimize the regulation for robot technologies.

How do students’ interests develop over time and which interests are subsequently pursued in the higher educational choice of students?

We focus on a better understanding of the mechanisms of cancer drug resistance and metastasis.

Our research covers a very broad terrain and has a strong disciplinary basis across a wide range of scientific disciplines and fields.

How do museum visitors interpret the authenticity of museum objects? How can we support visitors' meaningful interactions with real objects?

This UNESCO Chair at CWTS aims to contribute to UNESCO’s agenda to foster diversity and inclusion in science. The chair has two main lines of work: