Insights in diet, climate and ecology

Through extensive archaeological and documentary research, this study aims to provide a detailed analysis of the maritime cultural landscape of St. Eustatius over the past four centuries. It focuses on bridging the gap between the marine and terrestrial worlds and demonstrates that in order to truly…

This study analyses the prehistory of a northeastern Siberian population, the Sakha, from both a molecular-genetic and a linguistic perspective.

Uncover novel antimicrobials with prospective health benefits for sea turtles.

Retrospection over the last 40 years the most important changes in care and research, where transparency accountability and guidelines became leading. On Huntington’s disease and cerebrovascular disorders the most important changes are illustrated.

Security, power, transition, fracture... and fear. What do these concepts mean in the context of the ongoing situation in Europe?

Development of Natural Resource for New Medicines

More than a thousand 17th- and 18th-century Dutch letters from seized ships are now available online. The letters are a gold mine for researchers wanting to study the everyday language used by men and women during this period.

The Hague has announced that 70,000 refugees are expected to come to the Netherlands this year. How can situations like at the Ter Apel asylum centre - where asylum seekers had to sleep outside due to a lack of space - be prevented.

Utilization of plant-originated products as new antibiotics

This research project focuses on the extended documentation and investigation of these non-Austronesian (‘Papuan’) languages.

Can the pink-pigmented microbe Methylobacterium extorquens be genetically engineered to convert the sustainable raw material methanol into antibiotics?

Electoral Systems and Turnout: Evidence From a Regression Discontinuity Design. In this article, published on the website SAGE research methods, authors Jaroslaw Kantorowicz and Tobias M. Hlobil discuss how a Regression Discontinuity Design can be executed.

Papers in honour of Professor Annelou van Gijn

A faculty like ours is a treasure chest of and for languages, culture, and society. In the coming year, we will be making sure these treasures get extra attention, both internally and externally, during Leiden University’s 444th anniversary.

Our focus is to optimize the fungal cell wall to both increase chitin production and chitin extractability.

This recently released book takes a critical view of conceptual issues and practical problems that inevitably emerge when ‘excellence’ takes center stage in science systems in the Global South. What is ‘excellent science’? And how to recognize and assess it? After decades of inquiry and debate there…

The work presented in this thesis is based on ALMA surveys of protoplanetary disks in three star-forming regions: Lupus, OMC-2, and NGC 2024.

December marks the 15th anniversary of the Dual PhD Centre (DPC). Director Johannes Tromp and associate professor Mark Dechesne look back and ahead. Dechesne: ‘The DPC forms a 'community of knowledge' in which science and society are connected.’

The group of Dr. Roxanne Kieltyka designs and synthesizes molecules that self-assemble into polymeric materials using specific non-covalent interactions. These substrates can be used for numerous applications in medicine ranging from disease detection to cell delivery depending on the (bio)molecular…

From a billionaires’ space race to the launch of tens of thousands of minisatellites: space is becoming busier than ever. This means more than enough work for Tanja Masson-Swaan, an assistant professor at the Institute of Air and Space Law at Leiden University. Because who makes the rules and makes…

Political Scientists Harun Cero and Arlinda Rrustemi (Leiden University) argue that the Russian invasion of Ukraine could present a chance for Bosnia and Kosovo to finally remove Russian influence, which has been growing and blocking these countries for years. The West should shift away from appeasing…

This project develops a scientific method to extract clinically relevant new information from patient forum websites that discuss patient experiences concerning e.g. medication, nutrition, co-morbidities, genetic factors etc.

Natural history collections provide invaluable sources for researchers with different disciplinary backgrounds, aspiring to study the geographical distribution of flora and fauna across the globe as well as other evolutionary processes.

This volume sees the publication of fifty-six early Old Babylonian letters from ca. 1880 BCE. They were found by legendary Iraqi archaeologist Taha Baqir in 1941 at the site of Tell ed-Dēr, ancient Sippar-Amnānum, in central Iraq.

Marieke Liem, Professor Social Resilience and Security at Leiden University, and Katharina Krüsselmann, PhD candidate at Leiden University and Manuel Eisner mapped the flow of homicide cases with the help of a systematic review.

This dissertation investigates ikat from the eastern Indonesian islands from a uniquely technical perspective, including design analysis of asymmetry and microscopy.

Promotor: K.E. Schalm, Co-promotor: S.S. Lee

The economic history of Soviet development practices in Central Asia remains controversial and dominated by the view that Soviet development policy was wasteful and inefficient in the periphery. Challenging the established view of Soviet largesse and largely undirected and untracked “subsidies” to…

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

The Middle Paleolithic site of Neumark was first discovered in the 1980’s by German geologist Matthias Thomae.

Biodiversity in the Netherlands is having a tough time. Professor of Natural Capital Koos Biesmeijer combines research with practical advice: from the greening of industrial parks to solutions inspired by hi-tech nature. Inaugural lecture 9 March.

Does becoming a public sector employee change a person’s political beliefs, behaviors and interactions with the state? Do public teachers hold the same values as other professionals and the general Brazilian public?

On 24 November a High-Level panel discussion on the occasion of the signing ceremony of the memorandum of understanding between the NATO Civil-Military Cooperation Centre of Excellence and the Institute of Security and Global Affairs and the Faculty of Governance and Global Affairs took place at Campus…

From colonial times through to the present day, large numbers of Javanese have left their homes to settle in other parts of Indonesia or much further afield. Frequently this dispersion was forced, often with traumatic results.

Also including: Wateringen 4 & Acquiring a taste.

Democratic citizenship refers to the capacity and willingness of citizens to actively influence the functioning of state institutions. While considered a vital correlate of democratization and the rule of law, its largely western-oriented literature rarely studies the forms of democratic citizenship…

Machine learning - on classical computers- has made great progress in the past five years. Computer translation of speech and text is just one example. In Leiden, some researchers expect that machine learning, empowered by quantum systems, even if they only contain a few dozen qubits, can lead to a…

This research focuses on the (Quantum) Dynamics (QD) of the reactive scattering of H2 from metal surfaces.

This thesis presents insights from our study of various correlated electron systems with a scanning tunneling microscope (STM). In ordinary metals, electron-electron interactions exist, but get substantially screened due to the sheer number of electrons.

Promotor: Roeland M.H. Merks

Prematurely born neonates require, amongst others, pharmaceutical therapy. Dosing guidelines for these therapies are often based on data from term born neonates or older infants, while these are not necessarily similar to prematurely born neonates.

As museums face more scrutiny and are being demanded to decolonize, there are opportunities for Dominican museums to adopt a critical perspective and turn their collections and exhibitions into connections to our cultural past, present, and future.

Ruixuan Chen defended his theses on 16 October 2018.

This book is about the archaeology of indigenous peoples who thrived across the Caribbean, the Guianas, and the Lower Amazon basin just before the European invasion, and who also remained central to the early history of conquest and colonization.

This study by artist Jonas Staal explores the development of propaganda art from the 20th to the 21st century.

Promotor: J.P. Abrahams, Co-promotor: T. Grüne

Leiden University is famous for its library’s large collection of Oriental manuscripts. Part of this collection is a group of 104 Arabic documents written on papyrus and paper (Or. 8264 and 12885). These documents date from the 7th through 10th century CE and cover a wide range of subjects (private…

In this paper, Kantorowicz argues that reverse party favoritism exists. He exploits the fact that during the SARS-CoV-2 pandemic crisis, the Polish government was keen to launch postal voting in the presidential elections scheduled for May 2020.