The Ancient Worlds Network brings together staff and graduate students in LIAS working on the ancient Mediterranean and Near Eastern world.

This project focuses on Dutch registration of land and people in rural Sri Lanka. How did the practice of “fixating” the fluid social relations and dynamic daily practices into categories affect family strategies of reproduction and survival?

How is collaborative learning in teacher education designed and implemented? How do students experience those collaborative learning assignments? What aspects of the design and the implementation lead to which perceived learning outcomes?

In this project we think about the relationship between territory and contagion. Tracing the historical, political, and conceptual linkages between territorial bordering and migration on the one hand and disease related phenomena like contagion, immunity, and inoculation on the other, we ask how the…

Evidence-informed policy-making is crucial for good governance. Yet, despite the abundance of evidence from research and evaluation available to decision-makers, we know little about the actual influence of evidence on government policies. The ‘Power of Evidence’ (PoE) research programme, directed by…

Summer School

How do tax treaties have to be explained and implemented, and what role does the supranational regulatory process play in this? Which objectives are meant to be used in establishing tax regulations and to what extent are such legislative practices undertaken in a goal-oriented manner?.

Conference

The fragmentary is everywhere: we encounter fragments in social media (Tiktok, Twitter), in personal memories from our childhood, and in traditions from our cultural heritage.

Turn-taking and turning points in violent encounters.

Building a high-quality MRI scanner at the lowest possible cost. That was the challenge Thomas O’Reilly and Karina Soemarwoto set themselves. This year, they are selling their self-built MRI scanner to their first ten customers, with many more expected to follow soon. In doing so, they hope to make…

Researchers from Leiden University and Solid Sustainability Research have published a new study in PLOS Climate on the links between Dutch universities and the tobacco industry. Through this work, they aim to contribute to ongoing discussions about ties to the fossil fuel sector.

From Dutch Prime Minister Rob Jetten to American ambassador Joseph Poplo, and from former defence minister Kajsa Ollongren to General Onno Eichelsheim, prominent figures attended the first Next Gen Security Conference in The Hague. ‘The Netherlands and Europe must take more responsibility for their…

Damien Van Puyvelde discusses his new book on France’s foreign intelligence service, the DGSE, and explores secrecy, cyber threats and democratic accountability in international media.

Having received a European Research Centre grant in 2025 the Connected Communities in Early Medieval Europe (COCO) project kicked off with a three-day long programme last month. From the 28th to the 30th of April the National Museum of Antiquities and the Faculty of Archaeology hosted the meetings bringing…

Hortus botanicus Leiden is a treasure trove for research into interactions between species. Surprising discoveries are being made with new techniques such as DNA analysis, machine learning, and audio and video monitoring. Hortus prefect Barbara Gravendeel will explain more in her inaugural lecture on…

Astronomers have measured the mass of a dormant, supermassive black hole in the early universe for the first time. Thanks to a combination of the James Webb Space Telescope and a natural cosmic magnifying glass, researchers were able to weigh the black hole directly based on its gravity.

Earth Overshoot Day, the day on which humanity has used all the natural resources that the Earth can regenerate in a single year, falls on 30 July this year. Three researchers from Leiden explain how this date can be pushed back.

A clear majority in the UN confirmed that states are obliged to combat climate change. 141 countries voted in favour, 8 against, including the US, Russia and Saudi Arabia. Associate Professor Jason Rudall explains the implications.

For the second time this academic year, Nobel Prize winner Paul Krugman visited The Hague. Addressing a packed lecture theatre in our new Spui building, he spoke to students, staff and professionals about the tension between economic advice and political decision-making.

Reaching the end of the academic year, we look back fondly on the symposia, conferences and events that our faculty hosted in the previous months. One such symposium marked the end of the 5-year long research project ‘Putting life into Late Neolithic houses: investigating domestic craft and subsistence…

Climate action is often framed as urgent and necessary. But on the ground, it can also unsettle lives in unexpected ways. LUC researcher Bernardo Almeida explores what happens on land rights of vulnerable groups when climate responses meet fragile governance systems.

From loading the dishwasher to packing the car: good spatial ability is always useful. How do children develop this skill in primary school? Researchers from Leiden University and TU Delft are investigating this. ‘We want to create a meaningful toolbox for teachers.’

Study information

Conference

8 juni is Wereld Oceaan Dag, en de VN roept op tot ‘Herbeelden’: een nieuwe relatie met de oceaan. Hoe werkt dat als de realiteit zo snel verandert? We vragen het universitair docent zeerecht Hilde Woker.

How can we combat the growing global health crisis of antibiotic resistance? At Leiden University, researchers are tackling this issue from multiple angles. PhD candidate Vladyslav Lysenko develops and redesigns new antibiotic molecules, while Sebastian Tandar studies how we can use existing antibiotics…

How do people make choices, and what happens in our brains when we do? Anne Urai investigates how our brains process information and use it to make decisions. In applying the resulting insights to current issues in society, she hopes to gain a better understanding of what motivates people to adopt sustainable…

Advanced LL.M. European and International Human Rights Law and LL.M. European Law students are semi-finalists in the final round of the Helga Pedersen Moot Court Competition in Strasbourg, following their victory in the regional round in Athens.

Yearly, the LIBC organizes a public event to share scientific research in the field of brain & cognition

The archaeology of transregional exchange (1st millennia BCE-CE)

This article explores an emerging “cultural turn” in intelligence studies, which, if fully realized, could entail the expansion of the discipline to include new methodologies and theories, and a more integrative understanding of historical causality that locates intelligence agencies within the widersocio-cultural…

This project intends to provide an integrated linguistic assessment of the hypothesised migration route of the Tocharians.

Subproject of

The dissertation’s general aim is to investigate how a peer educator intervention can promote social acceptance of LGBT in pre-vocational education and whether the activities in this intervention ensure that students learn to respectfully deal with LGBT people in school.

Despite the field’s general agreement that pyrotechnology had a significant impact on the cultural evolution of humankind, our understanding of the origins and development of fire use and its role in humankind’s cultural evolution is very limited, blurred by strong disagreements over its chronology…

How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…

This project aims to answer the following questions: how did the landscape and geography of the local surroundings of Chalcis impact medieval to early modern productivity, habitation, mobility and interaction in a wider sense? And where are such changes and continuations still visible in the landsca…

The Swahili coast has a long-standing history of transoceanic Islamic connections dating back to the 25th century. Yet, print, has changed the world – not only ours. This project unravels unique forms and archives of intellectual history emerging from within South-South connections. In East Africa Indian…

How did interests outside the scope of the Dutch chartered trading companies influence the career-paths of Dutch colonial governors?

The project

The modification of risk factors and related health behaviors lies at the very core of adequate cardiovascular risk management, yet evidence shows that the majority of people with cardiovascular disease (CVD) fail to achieve a healthy lifestyle in the long term. The main objective of this project is…

Our annual "Science to Experience" exhibition of student works is hosted by the V2_ Lab for the Unstable Media. This year's theme is "GAP".

Maak kennis met digitale veiligheid in de podcast over de BSc Cybersecurity & Cybercrime. Experts bespreken actuele thema’s zoals ransomware en online fraude.

The Department of Constitutional and Administrative Law is active in many areas.

Sound Arguments is an innovative laboratory-atelier for creative artists and researchers dealing with sound. Presented by the Orpheus Institute, Ghent (BE), and the Academy of Creative and Performing Arts, University of Leiden (NL), Sound Arguments transcends the boundaries of art school or conservatory,…