Yuxi Nie defended her thesis on 15 October 2019.

This dissertation takes a technological approach to ceramic production and provides a fine-grained view of the circum-Caribbean region.

Tracking early human behaviour through plant processing and -exploitation.

Networks play an important role in various studies, ranging from analysing epidemics in human populations to studying connectivity in electrical circuits. Vincent Traag contributes to the development of igraph, a popular package for analysing large networks.

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

This dissertation focuses on developing new mathematical and statistical methods to properly represent time-varying covariates and model them within the context of time-to-event analysis.

In May and June of 2021, Bachelor 1 and 2 students of the Faculty of Archaeology joined in the excavation at Oss. After the fieldwork itself, a second post-excavations week started in Leiden where each of them participated in small groups conducting archaeological find processing and working on creative…

Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…

In several Mediterranean regions archaeological sites have been mapped by fieldwalking surveys, producing large amounts of data. These legacy site-based survey data represent an important resource to study ancient settlement organization. Methodological procedures are necessary to cope with the limits…

How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…

igraph, an important open source network analysis library, will receive two grants of $400,000 (approximately €340,000) over the course of the next two years.

1) Assess the trends in supply and production status of these critical minerals and mineral products worldwide and Europe’s dependence including on intermediate products such as permanent magnets, RE based super alloys, batteries, polishing compounds, phosphors, catalysts etc. 2) Trace the entire value…

With this thesis the PhD-candidate aims to enrich the body of evidence concerning the relation between stress and health, and the mediating role of (un)conscious perseverative cognitions, which is captured in the extended perseverative cognition hypothesis.

We focus on natural products research, traditional medicine, ethnobotany and phytochemistry.

Through the Academy of Creative and Performing Arts, multiple gifted bachelor and master students of Leiden University and the University of the Arts The Hague can fully develop both their artistic and academic talents by choosing academic or artistic minors or electives.

In 2016, Leiden University hosts the monthly meetings of the Music and Cultural Analysis reading group.

‘There’s a lot of evaluation in the Netherlands, but this doesn’t always lead to change,’ says Wout Broekema, Assistant Professor of Crisis Governance at the Institute of Security and Global Affairs. Learning from a crisis is complicated, but experts can help.

The production, use, and exchange of bodily ornaments through the lenses of the microscope

In this thesis we will explore the use of fuzzy systems theory for applications in bioinformatics.

Violence during war often involves upswings and downturns that have, to date, been insufficiently explained. Why does violence at a particular point in time increase in intensity and why do actors in war decrease the level of violence at other points? Duyvesteyn discusses the potential explanatory variables…

The Belgian elections are over. Now it is up to the formateur to form a cabinet, but that is difficult. Fauke Deceuninck, program leader of Politics and Governance at the Center for Professional Learning, explains to Speechmakers why that is.

A new Horizon 2020 project has been awarded to Mingming Hu and Jeroen Guinée of the Department of Industrial Ecology of Institute of Environmental Sciences (CML).

What is the influence of the 2016 ban on free plastic bags on the environment? Industrial ecologist Stefano Cucurachi received a LUF grant of €75.000 to answer this question.

From 1 August, Hermen Jan Hupkes has been appointed Professor of Non-Linear Analysis at the Mathematical Institute. 'Initially I don't think that much will change,' Hupkes says. 'My research and supervising future researchers will continue as before.'

Can we identify different degrees of economic integration, both within and between regions, on the basis of archaeological proxies?

What is the role of the rebound effect in achieving environmental savings from transport eco-innovation? Are traditional definitions of the rebound effect adequate in the context of transformative innovations and multidimensional environmental issues?

We explored the Universe using weak gravitational lensing, a phenomenon that occurs when light from distant galaxies is bent by the gravitational fields of closer cosmic objects, much like how a lens distorts light.

Level Up is a non-profit project led by a multi-disciplinary team of doctoral researchers in the framework of the Europaeum Network was founded by the University of Oxford University. Sophie Veriter explains the importance of Level Up, the development of the ‘Level Up Toolkit’, and why this project…

New funding allows IBL-researcher Herman Spaink to purchase a measurement device for more studies on human diseases such as cancer and tuberculosis using zebrafish as the model system.

How can we develop and further improve life cycle impact assessment methods, characterisation factors and normalisation factors?

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

A new study published in Archaeometry describes the unexpected results obtained from analyses of five human teeth discovered in a ritual cache at an enslaved African plantation site on the island of Saba in the Caribbean.

Book project on how European policy is made and implemented, with a focus on how that process can be understood and lead to policy change.

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

Isotopic and zooarchaeological investigations in the Dominican Republic and Jamaica

This article describes that although the use of the concept of energy justice is new, normative interpretations have long been part of energy policy.

CMLCA is a software tool that supports the technical steps of the Life Cycle Assessment. The focus of the program is on advanced computational aspects of life cycle inventory calculations.

In the present-day United States, to what degree(s) are far-right men and women similar and/or dissimilar in their motivating factors for engaging in far-right social movement activism?

Italian nurse Daniela Poggiali was arrested and convicted of murdering two hospital patients in 2014. Her case attracted the attention of Leiden statistician Richard Gill. After his investigation, together with an Italian colleague, Poggiali was acquitted last autumn. Together with fellow statisticians,…

The use-wear analysis of domestic implements provided new insights of the Single Grave Culture population in the Netherlands.