Archives were a common target during the Second World War, and hundreds suffered damages. Among these archival losses, the losses to medieval manuscript collections stand out.

The main question addressed in this thesis is how we can best conceive the contrast between a priori and empirical truths.

Migration is the talk of the town. On the whole, however, the current situation is seen as resulting from unique political upheavals. Such a-historical interpretations ignore the fact that migration is a fundamental phenomenon in human societies from the beginning and plays a crucial role in the cultural,…

Hot rocky exoplanets are planets that orbit so close to their host star that they possess a molten surface.

Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn

On Wednesday 3 September 2025 Yu Ai successfully defended a doctoral thesis and graduated.

This dissertation investigates how the efficiency of Computed Tomography (CT) can be improved for dynamic scientific and industrial applications.

What are best practices for teaching students to engage with 'wicked' problems?

Curious about what goes on at the Leiden Bio Science Park? During Dutch Bio Science Week (27 June - 5 July), organisations across the park will open their doors. For nine days, Leiden will be dedicated to life sciences and health, with activities for all.

This thesis investigates how freshwater fish utilize natural sounds and how they may be impacted by anthropogenic noise.

Conference, NEAR-ER Summer School

Various guests with a background in human rights, law, politics and international relations will be taking part in the ‘Human Rights and the World Cup Qatar’ debate on Friday 30 September. Royal Dutch Football Association (KNVB) Secretary-General and Leiden alumnus Gijs de Jong will be there to provide…

Russia is required to pay billions of dollars to shareholders of Russian oil company Yukos. This was decided by the appeals court in The Hague.

Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Affairs at the Institute of Security and Global Affairs, says we must block and expel Putin wherever possible.

Utrecht University has a vacancy for a professor Middle Dutch literature and culture. Deadline for applications: 6 November 2021.

Het Rijksmuseum van Oudheden zoekt twee stagiairs (v/m) voor het project ‘Het jaar 1000’, voor de periode september t/m december 2021. In dit project wordt Nederland in Europese context in de 10de en 11de eeuw bestudeerd. Deadline: 15 april 2021.

On 12 March (at 14.00) Nathan van Kleij will defend his dissertation at the University of Amsterdam. The title is: "Beyond the Façade: Town Halls, Publicity, and Urban Society in the Fifteenth-Century Low Countries". It will be streamed online. Interested parties can obtain a link by mailing to: pro…

On 4 May, Leiden University remembered the victims of the Second World War from our university community. Alumni, students and present and former staff of the University came together for this Hour of Remembrance.

This ethnographic research is a joint project with the Institute of Cultural Anthropology and Development Sociology, Leiden University, and KITLV/Royal Netherlands Institute of Southeast Asian and Caribbean Studies. It aims to understand the experiences of social inclusion and exclusion of female migrants…

The exhibition Leiden celebrates – 450 years of parades at Museum De Lakenhal shows how parades and society have changed through the centuries. Alumnus and historian Danielle van Goethem worked on the exhibition. She gives a preview.

On 24 and 25 April 2025, the Trippenhuis in Amsterdam — home to the Royal Netherlands Academy of Arts and Sciences (KNAW) — hosted an interdisciplinary workshop organized by dr. Rafal Matuszewski, an ancient historian at the Institute for History in Leiden.

The research project 'when patients don't want to know everything: guide and training for culturally sensitive information in palliative care' investigates how healthcare providers can offer inclusive palliative care.

Ornately decorated head pieces and jewellery, images of imposing mosques and photos of local people. The 'Splendours of the Silk Roads' exhibition depicts life and different cultures along this important trade route.

On 1 September 2022 Afke van Ewijk successfully defended a doctoral thesis and graduated.

On 18 June, 2015, Erik Kwakkel was elected to the Comité International de Paléographie Latine (CIPL), a scholarly committee that specialises in the study of the medieval book.

What started as a student project in the Media Technology program, became a successful internationally operating company offering therapeutic virtual bike rides. Meet alumni Ella Keijzer and Job de Reus, founders and owners of Bike Labyrinth.

Nature Reviews Drug Discovery volume 18, pages 82–84 (2019). The implications of target saturation for the use of drug–target residence time Wilbert de Witte, Meindert Danhof, Piet van der Graaf, and Elizabeth de Lange

In Dutch daily Trouw, assistent professor Cyber Security Governance, Els de Busser writes about the importance of good digital safety at companies. Dutch telephone and internet provider KPN is lacking in this respect. ' In Trouw schrijft Els de Busser, universitair docent Cyber Security Governance…

Open Access means shared responsibility for research programs. An interview with Prof. Huub de Groot for the Leiden Open Access Blog in the scope of the International Open Access Week.

It is with great sadness that we announce the passing of our director, Dr. Rudolf de Jong. We extend our deepest condolences to his loved ones. The Institute will be closed the coming week in mourning. Details of a memorial in Cairo will follow soon. Rest in peace, boss. We will miss you.

This book is the first systematic analysis of the changes in the use of goods and services by households of Black South Africans since the early nineteenth century.

This book explores the reception of foreign news during the late sixteenth-century civil wars in France and the Netherlands.

During the farewell reception on 29 August, the Faculty of Science will say goodbye to Dean Geert de Snoo. On 1 November 2019, he will continue his career as Director of the Netherlands Institute of Ecology (NIOO-KNAW). Colleagues talk about his significance for ecology, about his contribution as a…

Gesloten jeugdhulp moet afgeschaft worden, zei Jason (21) onlangs in de landelijke media. Zelf zat hij ruim een jaar in meerdere instellingen voor gesloten jeugdhulp, maar hij werd er naar eigen zeggen niet beter van. Promovendus Maria de Jong-de Kruijf onderzocht het hoe en waarom van deze vorm van…

Leiden University will continue to offer its BA in Italian Language and Culture. The Board of the Faculty of Humanities has reversed its decision to stop admitting new students as of the 2026/2027 academic year.

This new handbook by Frits Naerebout and Henk Singor places the history of the Greeks and Romans within the larger context of the contemporary Eurasian world.

The war in Ukraine is leading not only to human suffering. Ukraine's cultural heritage is also experiencing the consequences of the war: museums are being bombed and 'Russification' in the occupied territories means children no longer learn Ukrainian. Researcher Evelien Campfens was commissioned by…

On 20 November 2020, Darinka Piqani spoke at the (online) kick-off event of the project 'Bridging the gap between formal processes and informal practices that shape judicial culture in the Western Balkans'.

Filipino anthropologists Andrea Malaya M. Ragragio and Myfel D. Paluga look back at the groundbreaking Netflix show Trese and what it missed about the stories of Indigenous peoples. They published the article 'What Netflix Got Wrong About Indigenous Storytelling' in the digital Anthropology magazine…

The three-day conference will be held at the Ministry of Antiquities in Cairo from the 29th of September until the 1st of October 2019 with the title: The Walking Dead II: The Making of a Cultural Geography. It is organized by the Dutch National Museum of Antiquities (RMO) and Leiden University.

How do young adults find their way in an increasingly complex society? In Leiden, as part of the GUTS project, we study how brain development and self-regulation play a role in this process.

As a twelve-year-old girl, Nicky van de Beek became intrigued by the tomb chapels in Saqqara, Egypt. Now she is doing her PhD on them, just like another Leiden Egyptologist decades earlier. Herta Mohr persevered with her research during World War II. Now she is the namesake of the first Leiden building…

Transition metals play an essential role in biological systems, where approximately one-third of all proteins depend on a metal cofactor to perform their function.

Egyptian temple culture was thought to be declining in the Ptolemaic era, after the death of Alexander the Great in 323 BC. Nothing could be further from the truth, says Egyptologist Carina van den Hoven. Temple culture was very much alive and kicking. PhD defence 16 February.

German scientists and NASA have developed a bacteria-killing coating for space toilets. With this coating they hope to protect astronauts in space stations from pathogens. Professor of Biological chemistry Nathaniel Martin sheds light on the discovery: 'You don't expect nasty bacteria up there, but…

In 2017 saxophonist Dick de Graaf obtained his PhD degree with his thesis 'Beyond borders : broadening the artistic palette of (composing) improvisers in jazz'. His own views for over forty years on jazz and related styles (amongst other qualities) have lead to the Edison Jazz Oeuvre Prize.

Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Practice at the Institute of Security and Global Affairs (ISGA), was interviewed by the NRC on 6 February about the government's warning words.

Carsten de Dreu has received the Carol and Ed Diener Award in Social Psychology which is designed to recognise a mid-career scholar whose work has added substantially to the body of knowledge to the social psychology field and brings together personality psychology and social psychology.