Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.

Papers written on the occasion of the 30th anniversary of the Institute of Prehistory, Volume I.

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…

The excavation of three Bronze Age barrows and surrounding landscape at Apeldoorn-Wieselseweg

Plants produce an astonishing variety of secondary metabolites (SMs) which are thought to play vital roles in the fitness of plants through ecological interactions.

Archives were a common target during the Second World War, and hundreds suffered damages. Among these archival losses, the losses to medieval manuscript collections stand out.

Our mission is to bring together research and practice focused on the improvement of mental health and the enhancement of treatment / psychotherapy success. To reach this goal we focus on the following paths:

As a virtually inexhaustible source, solar energy plays a major role in future global energy scenarios.

On 24 September 2020, Bernardo Ribeiro de Almeida defended his thesis 'Building land tenure systems: the political, legal, and institutional struggles of Timor-Leste'. The doctoral research was supervised by Prof. A.W. Bedner. Co-supervisor was Dr. C.I.M. Jacobs.

The Physics and Cosmology specialisation consists of 120 European Credit Transfer System (EC) points and consists of mandatory courses (33 EC), electives (27 EC) and two research projects (60 EC in total).

How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

To what extent can literary strategies deepen and enhance research in and through the visual and performing arts, as well as for research in academia?

This book presents the first comprehensive description of Tafi, one of the fourteen Ghana-Togo Mountain (GTM) languages, spoken by approximately 4,400 people in the southeastern part of Ghana. The description consists of thirteen chapters and is based on a corpus gathered during two fieldwork periods…

This book explains how mass killing is driven by elite politics within authoritarian regimes.

The master's specialisation Astronomy Research at Leiden University students focus on astronomical data analysis using models and large-scale simulation, combining the fields of Astronomy, Physics, Mathematics and Computer Science.

Learn about the newest research from the researchers who are performing it.

Promotor: Prof.dr. E.F.A. Deprettere, Co-promoter: Todor P. Stefanov

How do individuals make decisions? What determines the quality of group decisions? When and why do people cooperate with others? How does intergroup competition evolve?

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

Erik de Maaker, B. Ramila, Maaike Feitsma, Mayke Groffen, Ellen Haeser, Rachel Lee, M. Karthika, Leonie Sterenborg and Sanne van den Dungen

This book examines the history of The Netherlands in a way that connects global processes to local developments.

The Project “Excellence in science and innovation for Europe by adopting the concept of Responsible Research and Innovation (NewHoRRIzon)” sets out to promote the acceptance of RRI in Horizon 2020 (H2020) and beyond. It will work out the conceptual and operational basis to fully integrate RRI into European…

On the 23rd of September, George Saad successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates George on this achievement!

Promotores: Prof.dr. T.H.W. Bäck, Prof.dr. M. Bongards (Cologne University)

NimbleAI aims at solutions for ultra-energy efficient and secure neuromorphic sensing and processing at the edge.

The article offers a comparative systematic literature review of the principles, norms, and strategies associated with Security by Design and Privacy by Design

Leiden Journal of Pottery Studies 23, 2007

The Caribbean before Columbus is a new synthesis of the region’s insular history. It combines the results of the authors’ 55 years of archaeological research on almost every island in the three archipelagoes with that of their numerous colleagues and collaborators.

How does the criminal justice system in Indonesia safeguard the rights of and access to justice for witnesses and victims?

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How interdisciplinary teaching supports the development of students’ competencies

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

This dissertation provides a description of the language Tadaksahak as it is spoken by the Idaksahak, a people group of about 30,000 living in the most eastern part of Mali and several isolated places in western Niger.

This perspective addresses four challenges facing theorists whose aim is to make quantitatively accurate predictions for reactions of molecules on metal surfaces, and suggests ways of meeting these challenges, focusing on dissociative chemisorption reactions of H2, N2, and CH4.

The project ‘Diversifying Ancient History’, sponsored by the JEDI Fund from the Faculty of Humanities, aims to thoroughly revise the first-year curriculum of Ancient History. Through these innovations, the course will cater the needs of the present generation.

Exploring the Meanings of Lands and Forests as an Avenue for Mutual Development of People and Nature in Ghana

International trade plays a critical role in global food security, with global consumption having highly localized environmental impacts.

The aim of this dissertation is to present a critical edition of kāṇḍa 15 of the Paippalādasaṁhitā (PS) of the Atharvaveda.

Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.

Why does the textural gap between the music that one can improvise and that which one can practice and learn to play (as in completely written-out music) seem to be bigger in the case of the guitar than, for example, in that of keyboard instruments?

This report concerns itself with terrorist technical innovation, particularly with regards to terrorists’ incorporation of emerging technologies into their practices. More specifically, it investigates, through the elaboration of a theoretical learning framework, how terrorist groups can adopt the practices…

Pancreatic ductal adenocarcinoma (PDAC) is the deadliest common cancer, with only 8% of patients surviving for five years. One reason for this poor outcome is that current chemotherapy treatments are highly toxic, often leaving patients too sick to receive treatment or forcing doctors to lower the dose…

In this dissertation, the types of context Dutch speakers need to interpret the poly-interpretable word ergens ‘somewhere/anywhere’ are studied.

Implementing all kinds of change and introducing new structures, far-reaching rules and administrative systems may sometimes seem to distract an organisation from its purpose. Furthermore, there is growing recognition of the need of staff of public organisations to find more meaning in their work: the…

Proceedings of the 25th International Congress of Roman Frontier Studies 2

OSTrails is a Horizon Europe project enhancing how scientific knowledge is managed and assessed through a FAIR, open system. The Dutch pilot, led by SURF and CWTS, focuses on improving machine-actionable Data Management Plans and linking them with scientific knowledge graphs to boost research interoperability…

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,…

On 18 June 2019, Peter Kempees defended his thesis 'Hard power and the European Convention on Human Rights'. The doctoral research was supervised by Prof. R.A. Lawson and Prof. H. Duffy.

This project investigates how the first generation of Dutch printed books (the incunabula, 1473-1501) affected late medieval spirituality, religious practice and visual culture in the Low Countries.

On May 30th, Yang Yang succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Yang on this great result.