The Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology. We are part of the Faculty of Science at Leiden University.

Towards a Biological Understanding of the Middle to Upper Palaeolithic Transition

There is no heritage without emotional sharing and clashing. This article explores the involvement of divergent emotions in heritage making by discussing the debate series of Imagine IC and the Reinwardt Academy and zooming in on the commemoration of slavery and imagery of ‘Black Pete’ in the Netherlands.…

We study the dynamics of individual emitters in micro cavities.

The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.

This thesis investigates the processing of words written in Japanese kanji and Chinese hànzì, i.e. logographic scripts.

Prince, Pen, and Sword offers a synoptic interpretation of rulers and elites in Eurasia from the fourteenth to the eighteenth century. Four core chapters zoom in on the tensions and connections at court, on the nexus between rulers and religious authority, on the status, function, and self-perceptions…

Promotors: Prof.dr. T.H.W. Bäck, Prof.dr. B. Sendhoff (Technische Universität Darmstadt)

Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond

The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

Research in the van Exter lab focuses on quantum aspects of light and light-matter interaction. One of our long-term goals is to develop a reliable quantum memory, based on a single emitter in an open micro cavity.

On 11 June 2020, Sabine Witting defended her thesis 'Child Sexual Abuse in the Digital Era: Rethinking Legal Frameworks and Transnational Law Enforcement Collaboration'. The doctoral research was supervised by Prof. J.J. Sloth-Nielsen and Prof. S. van der Hof.

Playing a musical instrument is generally considered to be a complex human behaviour involving the integration and coordination of a broad range of human functions such as perception, imagination, memory, information processing, emotion, communication, and dexterity.

TRIXY is a national Center of Expertise, in which clinical professionals and expert researchers work together to improve knowledge and clinical care for children with X and Y chromosome trisomies.

What evaluative languages (errors, mistakes, vices, etc.) did book reviewers employ? To what extent and on what occasions did they invoke early modern vices? And to what extent did this differ across fields or change over the course of the century?

Situated at the crossroads of the Indian and Pacific Oceans, the Spanish Philippines offer historians an intriguing middle ground of connected histories that raises fundamental new questions about conventional ethnic, regional and religious identities.

Grace Leksana defended her thesis on 26 May 2020.

On 19 September 2023 Tabitha Speelman successfully defended a doctoral thesis and graduated.

Each year, Leiden Law Academy welcomes over 2500 course participants. Outstanding lecturers and renowned specialists from the professional field provide legal courses and training.

On 12 November 2019, Larissa Koupriuchina defended her thesis 'Judgmental Adjustments in Revenue Management'. The doctoral research was supervised by Prof. J.I. Van der Rest.

Discover the connection between skateboarding and sensory ethnography in 32 of The Routledge International Handbook of Sensory Ethnography as part of the Multi-modal sensory ethnography.

Lecture, Sociolinguistics & Discourse Studies Series

A mosaic is the only image which can do justice to museums in the Caribbean. They are as diverse and plentiful as the many communities which form the cores of their organizations and the hearts of their missions. These profoundly social museums adopt participatory practices and embark on community engagement…

The LLP equips you with the knowledge, insights and skills you need to make a professional and societal impact.

The study aims (1) to track progressive changes over time in trainees, and (2) to identify influences that facilitate or impede trainee development. Systematic information will be gathered on the characteristics of trainees and training programs, focusing particularly on trainees’ experiences in clinical…

The bi-annual interactive seminars of the Platform for Postcolonial Readings are all about sharing our enthusiasm about our field of research and our eagerness to learn more about its theoretical intricacies. Our seminars, although informal, adopt a well-defined format. Each meeting is organized around…

How has early development in R. ocellatus been modified as a result of its parasitic embryonic lifestyle?

If, as the works of John Cage suggest, there is “no such thing as silence,” then what are the markers that show us we are experiencing silence? - what are the performative cues during musical silence? - what are the auditory and visual bookends of silence in performance, i.e. what anticipates and…

Through our research, we work towards a fundamental understanding of the world and people around us. We use that knowledge to make the world a safe, healthy, sustainable, prosperous and just place.

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

This project tries to explain the persistence of this cultural repertoire by zooming in on (1) interaction between idioms (cultural repertoires) available to scholars at certain points in time, (2) mechanisms that help transmit repertoires across time and place, and (3) rhetorical purposes for which…

As terrorism scholars, we are intrigued by those who engage in violence. We study their motivations, tactics, ideology, organisational structures, and pathways to (de-)mobilisation, hoping to better understand terrorism and how we can counter it. Far less attention is paid to what happens after an attack…

Port City Futures is an initiative of the Leiden-Delft-Erasmus Universities collaboration. The program investigates the evolving socio-spatial conditions, use and design of port city regions, in particular exploring areas where port and city activities occur simultaneously and sometimes conflict.

Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.

Higher design and engineering educators have different views on what a new or renewed curriculum should entail, content-wise as well as pedagogically. This research aims to describe how these ‘curriculum perspective perceptions’ influence working definitions, end goal formulation, and the scope of results…

Simulations of galaxies help researchers understand astronomical observations better. The EAGLE simulation, a large project in which Leiden astronomers play a leading role, shows the evolution of the Universe, from just after the Big Bang to the present day.

Do offshore windfarms affect the local biodiversity of the pelagic fish community and are fish deterred or attracted by sounds?

In this master programme you learn interdisciplinary approaches to address scientific and societal challenges in the field of (bio)medical sciences. The research in our programme Biomedical Sciences relates to the maintenance of health and prevention of disease. You will acquire a skill set suitable…

The ICEHL committee is currently exploring the options for online formats of ICEHL.

Over the years, many spectacular archaeological finds have been washed ashore on the Dutch coast. Among these a large assemblage of barbed points made of bone and antler from the Mesolithic (11,000-8000 BC). The species used by Mesolithic hunter-gatherers to manufacture their barbed points remained…

The Grotius Centre for International Legal Studies, in collaboration with the Cambridge Centre for Environment, Energy and Natural Resource Governance (‘C-EENRG’, University of Cambridge) and the ESIL Interest Group (IG) on International Criminal Justice, is pleased to invite public international scholars,…

The seminar is dedicated to the work-in-progress of Leiden Centre for Continental Philosophy staff and doctoral students. The paper is sent in advance and discussed in the meeting. The seminar is open to all. Venue: Lecture room or zoom.

In lieu of the Medieval Studies Day 2021, the Dutch Research School for Medieval Studies has organised the following alternative event online: TOTENTANZ, Reflection Online, December 17, 16.00-17.30. Totentanz is an animation opera produced by the Dutch stage director Wim Trompert, based on Bernt…

The Medieval Academy of America (MAA) is excited to announce the launch of a new Summer Research Program for early PhD or early PhD-track students. The 2022 Summer Research Program will convene over Zoom, over the course of six weeks in July and August. The Summer Research Program will culminate with…