The researchers explore how instructional risk communication can support public safety during nuclear emergencies.

This article assesses Russian rhetoric toward Ukraine from 2004 to 2019 by analyzing statements by the Russian Ministry of Foreign Affairs.

Promotores: Prof.dr. H.P. Spaink & Prof.dr. P.C.W. Hogendoorn, Co-promotor: Dr. M.J.M. Schaaf

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

Promotor: Prof.dr. R. Verpoorte, , Co-Promotor: Young Hae Choi

Streptomyces bacteria are a valuable source of natural products, many of which are used in the clinic or in biotechnology.

Relevant safety issues are associated with hazardous materials transportation, especially when transport routes cross populated areas. This article for the Journal of Loss Prevention in the Process of Industries analyses a 2015 accident with a freight train in Tilburg, comparing it to the Viareggio…

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

How new media shape the communication strategies of the PRC’s official news agency Xinhua?

Sarah Giest, Assistant Professor at Leiden Univeristy, researched the topic of regulatory and market structures that affect nudge implementation by private actors, captured by the ‘budge’ idea.

This study seeks to analyse how job stress could be the result of performing administrative tasks

Streptomyces present a valuable platform for natural product discovery. Lugdunomycin is a novel angucycline-derived polyketide from Streptomyces sp QL37, with unprecedented skeleton and antimicrobial activity.

Cancer is considered the silent pandemic of the 21st century and the second leading cause of death worldwide.

PhD defence

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

Yuxi Nie defended her thesis on 15 October 2019.

The Department of Archaeological Sciences seeks to achieve the highest standards of excellence in science-driven education and archaeological research across the globe and across all periods.

Reconstructing interactions between communities in and out of Cyprus in the early third millenium BC

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…

Speed skating coach and human movement scientist Jac Orie has been capturing all details about the performance of 'his' skaters for fifteen years. Thanks to data scientist Arno Knobbe, who calculates the collected data in new ways, Orie can train his team even smarter in the run-up to the Olympic Winter…

A lot of our research is performed at temperatures close to absolute zero, among other reasons because this increases the sensitivity of the measurements. 

What types of construction materials are used in the Global South, where are they, and what levels of societal services do they support? How will material use evolve under different development pathways and paradigms? What are these materials' environmental and societal impacts now and in the future,…

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…

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.

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.

Unravelling networks of human mobility and exchange of goods and ideas from a pre-colonial, pan-Caribbean perspective

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.

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

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

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

In this dissertation, we study partition-based models that can be used both for interpretable predictive modeling and for understanding data via interpretable patterns.

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.

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

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

The global agri-food system plays a critical role in food security and environmental issues.

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

In this paper, the authors study how individual and country-level variables interact in affecting political gender attitudes in Europe.

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

Kyra van der Moezel defended her thesis on 7 September 2016.