The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

Brain development in children with an extra X chromosome as compared to children with autism: evidence from MRI

Over a decade ago the then foreign minister Abdullah Gül awarded me the “Medal of High Distinction” of the Republic of Turkey. I received the award, consisting of a diploma and a gigantic gold medal, during a festive ceremony at the Turkish embassy in The Hague. The reason I was deemed worthy of the…

What does it mean to be Aruban, Bonairian or Curaçaoan? In the Traveling Caribbean Heritage project historian Gert Oostindie studies this question together with PhD candidate Joeri Arion and heritage specialist Valika Smeulders. Other researchers and the islanders themselves are also collaborating…

What do you do when you’re suddenly given access to a whole lot of data but don’t know how to organise and analyse it? Maritime historians in the Faculty of Humanities joined forces with vocational college (MBO) students to build a database. ‘We’re so compatible with each other.’

Plants could be regarded as small chemical factories, which produce chemical substances via photosynthesis. If we can imitate photosynthesis in an artificial system, we can make clean fuels and materials out of sunlight and CO2. Huub de Groot is very close to designing a system of this kind.

This summer school is for graduate (MA and PhD) students and researchers who have an interest in handwritten materials, editing, and the tradition of editing in the Muslim world. It offers theoretical lectures as well as hands-on practice with samples from the world-famous collections of the Leiden…

Materials balances have been used in the recent past for the analysis of substance oriented environmental problems and the formulation of measures for environmental policy. In this study an integrated tool, based on the materials balance principle, has been developed for the analysis of both environmental…

Galaxies form and live inside dark matter haloes. As a consequence, they are exposed to the tidal fields generated by the surrounding matter distribution: this imprints a preferential direction to the galaxy shapes, which leads to a coherent alignment on physically close galaxies, called intrinsic a…

Lecture, CADS/CWTS DataCultures seminar

Lecture, Research Seminar Medieval and Early Modern History

Lecture, Research Seminar Medieval and Early Modern History

Writing a book on the recent history of Leiden University in corona times. For educational and policy historian Pieter Slaman (34), this has meant working in the attic of his parents’ house while they looked after his daughter, along with numerous online conversations and very few, if any, visits to…

A rare medieval bookmark emerged in Leiden University Library. Book historian Erik Kwakkel found the disk in an archive of manuscript descriptions called the Bibliotheca Neerlandica Manuscripta. It was likely put their in the early twentieth century by Willem de Vreese, who made the descriptions. The…

The war between Ukraine and Russia is playing out not just on the battlefield but also on the geopolitical playing field of gas. Conflicts at the start of this century about this energy source were, says PhD candidate Ilia Barboutev, a precursor to today’s war.

Assistant professor Stephanie Noach has won the Dissertation Prize of the Praemium Erasmianum Foundation. She is receiving this prestigious prize for her research on darkness in contemporary art from Latin America and the Caribbean.

The intracluster medium (ICM) is a hot, tenuous and X-ray emitting gas that pervades galaxy clusters.

When a star gets too close to a supermassive black hole, it is torn apart by strong tidal forces in a tidal disruption event (TDE).

After a long period of isolation under pandemic, the PhD candidates of the Institute of Cultural Anthropology and Development Sociology seized the opportunity to organize an in-person, on-site event: the CADS PhD Conference for 2021. With the theme

In exactly 450 days’ time, on 8 February 2025, it is the university’s 450th anniversary. We are going to celebrate this with our students, staff, alumni and friends. In the run-up to the anniversary, we are compiling our top 450: Who or what is your favourite?

To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

Lecture, Research Seminar Medieval and Early Modern History

In what ways and to what ends did Parisian buildings overwhelm the early modern public? This study is concerned with the experience of the sublime in architecture in seventeenth-century Paris.

In the 19th century, Old English poems were claimed as cultural heritage by various non-Anglophone nations, including Scandinavians, Germans and Dutch. These competing nationalistic, cultural appropriations happened against the backdrop of a growing interest in early medieval English language and literature…

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

University lecturer Laurie Cosmo, having grown up in New York, came to the Hague from Rome, Italy, where she fell under the spell of the Kunstmuseum. ‘I loved the building even before I worked at Leiden University.’

Lecture, Research Seminar Medieval and Early Modern History

This thesis discusses the development in Proto–Indo–European, Latin and Romance of a word–formation pattern which the most adequate terminology in use dubs ‘verbal government compounds with a governing first member’; I use the shorthand ‘pickpocket compounds’.

This film will be screened on Sunday, 1 June 2025 at 7:00 pm.

Banquets for the rich, porridge for the poor and a standard diet of bread, olive oil and wine. Just a few assumptions about the Roman diet.

Conference, Global Histories of Knowledge Seminar

An Ancient Egyptian System of Workmen’s Identity Marks

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.

Global health governance is at a crossroads. As the world reckons with the existential threat of planetary crises (climate change, loss of biodiversity and pollution), international policy frameworks struggle to keep pace with a rapidly changing landscape in global health and public health.

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For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

Digital journalism is transforming the way in which information and communication technologies are used by media workers. With this change journalist practices, norms and values are also being reshaped. This is the conclusion of Tomás Dodds PhD research.

Back in 2016, Genner Llanes-Ortiz joined the Faculty of Archaeology as an assistant professor in the Heritage of Indigenous Peoples research group. Genner works on the crossroads of anthropology, archaeology, heritage, and human rights. ‘I am investigating how contemporary indigenous peoples are re-connecting…

Resilient Diversity: the Governance of Racial and Religious Plurality in the Dutch Empire, 1600-1800

This research cluster aims to analyse and interpret the formation and transmission of Graeco-Roman culture by exploring the relationships between cultural products (texts, objects, practices) and their societal and historical contexts.

How did free agents cooperate with the VOC and the WIC, through lobbying for private interests within the Companies as well as at the highest political levels?

Access to education for people from the lower socio-economic class has improved immensely in Europe from the 1950s onwards. Yet the Roma and Sinti were unable to reap benefits from this. PhD candidate Anita van der Hulst researched why so few Roma and Sinti went on to higher education. PhD defence on…

An integrated approach to ceramic standardization and change in Archaic Satricum (6th–4th century BC)

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…

Saskia van Otterloo works as a policy advisor on climate adaptation at the Ministry of Infrastructure and Water Management in the Netherlands. She graduated in 2015 with a bachelor's degree in cultural anthropology and development sociology. How does her knowledge of anthropology help her in her job…

Lecture, Ancient History Research Seminar

Conference