In May of 2023, an agreement was signed between Leiden PhD candidate Jonathan Ouellet and General Director Onggar Akan of the A. Kh. Margulan Archaeological Institute in Almaty. The aim: a detailed study of the numismatic history of Southern Kazakhstan.

This work represents the final results of several years of research within the Maya region. It deals with the relations between architecture and urbanism with landscape and astronomy.

This lecture will be hosted on Thursday, 12 February 2026 at 6:00 pm.

If an algorithm has to learn to understand language, simply having a lot of data doesn’t help much. Like us, a computer has to learn the language in interaction with others. Tessa Verhoef is fascinated by how this interaction works.

How is social cognition shaped by our knowledge of language and stories?

In our research protein translocation from Agrobacterium into yeast and plant cells is studied to obtain fundamental insights in the translocation process

Carbohydrates are present on the surface of bacteria making them suitable antigen candidates for vaccine development. This thesis deals with the synthesis of two carbohydrate-based components; the capsular polisaccharide of S. aureus type 5 and teichoic acids from staphilococci and enterococci speci…

Volume I of The Cambridge History of Strategy offers a history of the practice of strategy from the beginning of recorded history, to the late eighteenth century, from all parts of the world.

Heloisa’s doctoral research examines classical music performance from a curatorial perspective, reflecting upon and challenging the traditional configuration of performance environments.

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

This study relates the vicissitudes of the Amerindian peoples who lived or still inhabit the islands of Trinidad and Tobago, from the earliest occupants, ca. 8000 BC, until at present.

ASLU 28 Michalis Karambinis (2015)

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Conference

In October 2015, Director of the Master Course on Integrated Microfinance Management (M.IMM) of the Faculty of Economics & Business of Universitas Padjadjaran in Bandung, Indonesia came to visit the LEAD Programme in Leiden

This thesis advances automata learning, a key area in computer science, with applications in software verification, biological analysis, and autonomous technologies. It explores three main themes: first, it introduces a passive learning algorithm for generating compact probabilistic models from positive…

How can child participation be defined, what is the importance of child participation and how can it be promoted?

The debate in Europe about digital sovereignty, technological sovereignty, data sovereignty and strategic autonomy has been building over recent years at both the EU level and the level of individual Member States. The different concepts – and their diverse interpretations – cover the sovereignty concerns…

A Study of Middle Palaeolithic Riverside Settlements at Maastricht-Belvédère (The Netherlands).

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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…

On Wednesday 25 January 2017 Esmeralda Vergeer will defend her doctoral thesis Regeldruk vanuit een ander perspectief (Regulatory burden from a different perspective). The supervisor of the research is Professor W.J.M. Voermans.

Lecture

Career and apply for jobs

The world’s population is expected to rise to 9 billion people in 2050. At the same time, climate change urges us to dramatically reduce our use of resources. Does the transition to a circular economy offer us a way out, and if so, how? Master Honours Class’ students are looking into this issue: ‘Change…

Since January the Dutch public have been able to follow a free course on artificial intelligence (AI) and its far-reaching impact on our lives. Leiden scientists Marlies van Eck and Valerie Frissen, from the Institute for the Interdisciplinary Study of the Law at Leiden's Law Faculty, are part of the…

Transferring to the Bachelor's programme in Psychology at Leiden University

Work has begun on an accommodation complex for international PhD candidates and postdocs at the Leiden Bio Science Park.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

Which fungi live in Leiden University’s historic buildings and collections, and how can their impact on heritage and human health be understood and managed?

When and how was alphabetic writing introduced to Greece and the wider Mediterranean region?

The Iseum Campense, the impressive sanctuary for Isis and the Egyptian gods on the Campus Martius and arguably one of ancient Rome’s most notable absent presences, is a monument central to various debates.

On 11 October, Amanda Pasma defended the thesis 'Re-entry support from prison-based and community-based professionals'. The doctoral research was supervised by Paul Nieuwbeerta, Hanneke Palmen and Esther van Ginneken.

Mr. Jan van den Berg defended his thesis on 8 November 2018

The aim of this thesis is to expedite and ensure the systematic accuracy of clearance scaling from adults to paediatric patients, with a special focus on drugs undergoing hepatic metabolism.

Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

This subproject argues for a close and forensic reconstruction of financial flows to and from Soviet Central Asian republics in the postwar period.

Akke de Hoog (26) helps asylum seekers whose application has been rejected to plan their future and voluntary return to their country of origin. Her master’s programme taught her about migration and how international politics, the climate and the economy impact different migration flows, as well as…

Together with physiotherapist and lifestyle therapist Jaap Wonders of SMC Rijnland, Helen Pluut conducted research during the first COVID-19 wave on the experiences of working people. The reason for the research was the compulsory situation of working from home many people found themselves in. One of…

Working as a diplomat for the Ministry of Foreign Affairs: for many students it would be their dream. Alumnus Tom Groot Haar is busy making it a reality. 'My career seems like a preconceived plan, but it wasn't.'

In this course, you will explore the organs involved in our food digestion and discover the common causes of abdominal and pelvic pain. The latest graphics and animations will give you new insights and understandings of this part of the body.

The Leiden University Centre for Linguistics has been badly affected by the corona crisis: the research in the four labs and the fieldwork has come to a standstill. What are the implications?

The subject of the research is ‘difference and repetition’, an area which bears a direct relationship to Wjm Kok’s practice, in which the production of work always emerges and passes through series.

Jojanneke van der Toorn is kicking off the new Academia@WorkplacePride year with the LGBTIQ+ Workplace Inclusion Symposium. As a social psychologist, she wants to share knowledge and gather experiences relating to diversity and inclusion at work

In December 2014, Leiden University’s Institute of Security and Global Affairs with the Australian National University’s Asia-Pacific College of Diplomacy and the International Centre for Counter-Terrorism, commenced a research project to assess how (temporary) military interventions can best prepare…

Promotor: G.P. van Wezel, Co-promotor: Y.H. Choi

This book is the first comparative study of estimative intelligence and strategic surprise in a European context, complementing and testing insights from previous studies centred on the United States. It does extensive empirical analysis of open-source material and interviews in relation to three cases…

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.