For this project we delve into children's digital media use during the transition from kindergarten to group 3 and investigate its impact on their social development.

Since Russia’s invasion of Ukraine in February 2022, the European Union (EU) and its Member States have adopted wide-ranging legal and political measures to support Ukraine in its struggle.

Sasse, van Breen, Spears & Gordijn demonstrated an anger gap in response to sexism which was larger for women than for men and found evidence that expressed anger was associated with instrumental concerns.

This book presents the results of a research about the Islamic courts of Cianjur in West Java, and Bulukumba in South Sulawesi and the role they play in local divorce practices.

Japan's Occupation of Java in the Second World War draws upon written and oral Japanese, Indonesian, Dutch and English-language sources to narrate the Japanese occupation of Java as a transnational intersection between two complex Asian societies, placing this narrative in a larger wartime context of…

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

Ending the United Kingdom’s (UK) forty-seven year European Union (EU) membership has fundamentally transformed its relationship with the EU. After years of tumultuous negotiations, international law now once again governs the UK’s relationship with the EU. This has resulted in a sophisticated body of…

Subproject of

What happens in our bodies when we care for children? And why are some people more caring than others?

Artificial Intelligence is likely to have far-reaching consequences for all actors in the realm of academic publishing, including authors, editors, researchers, and readers. This symposium aims to foster the conversation about the various ways in which we evaluate, enrich, and disseminate academic knowledge,…

Professor Peter Bisschop has been awarded an ERC Advanced Grant. He will invest the 2.5 million euros in his research into puranas: ancient texts, commonly written in Sanskrit, that are up to fifteen hundred years old.

Op 8 oktober organiseerde het Leiden Healthy Society Center een inspirirend kenniscafé over de rol van vaders in de opvoeding van hun kinderen.

An international team including Peter van Bodegom shows how trait variability can be incorporated in Essential Biodiversity Variables to allow monitoring how organisms respond to global change. They published their results in the journal Nature Ecology & Evolution.

This fall, LUCIS will have the pleasure of welcoming Professor Wadad Kadi, of the University of Chicago, to Leiden. She is the first Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University.

‘Timmermans says more Polish workers are staying in Poland, but there aren’t any figures to back this up,’ was the headline of NU.nl news website during the European elections in 2019. This was after Nieuwscheckers, the fact-checkers at Leiden University, had checked a statement by PvdA politician Frans…

Op 26 april 2012 kwamen ze samen om ervaringen te delen met Leidse staf: twaalf Chinese promovendi die in Nederland zijn in het kader van het beursprogramma van de China Scholarship Council. Tien dagen eerder, op 16 april, ontving de Universiteit Leiden een delegatie van Peking University.

On May 15th, from 15.15 to 17.00 in the Vossiusroom, Leiden University Libraries will host a program on web-archiving and digital archives of Chinese communities in the Netherlands and Indonesia.

Together with a large international team of scientists, researchers Peter van Bodegom and Nadia Soudzilovskaia of the Leiden Institute of Environmental Sciences (CML) have created maps of variability in plant trait distribution across the globe. The new maps have been published in Proceedings of the…

Professor Peter Bisschop, lecturer in Sanskrit and Ancient Cultures of South Asia, has been awarded a grant by the NWO Free Competition to fund his research into the rapid growth of Saivism in the sixth and seventh centuries in South and Southeast Asia. The research project, entitled ‘From Universe…

Soil salinity is affecting large areas in the world and millions of farmers are faced with decreasing yields and many are even forced to migrate . Dutch scientists (Prof Dr. Gerrit van Straten (Wageningen University), Prof. Dr. Peter van Bodegom (Leiden University), Prof. Dr. Jelte Rozema (VU University…

From November 4 to 10, the exposition CRITTERS will be exhibited in Naturalis Biodiversity Center during Beyond Human Festival. In CRITTERS artists and researchers are looking for a connection between technology and natural organisms. When does technology become a natural being? And when we examine…

Nieuwscheckers, the fact-checking initiative at Leiden University, will check the claims made by politicians during the European elections. Lots of individuals and organisations supported their crowdfunding campaign. ‘During the elections, it’s hugely important that the emphasis is on facts, and that…

Four professors specialising in migration will soon be appointed as Leiden-Delft-Erasmus professors: Professor Thea Hilhorst and Professor Peter Scholten (both Erasmus University Rotterdam) and Professor Marlou Schrover and Professor Olaf van Vliet (both Leiden University) will each receive a second…

On Thursday 24th of April, Fleur Visser successfully defended her PhD-thesis on social and migratory behaviour of dolphins and whales in the Agnietenkapel at the University of Amsterdam (UVA).

Leiden University Medical Center (LUMC) has spent the past five years coordinating an international study of genetic mutations and breast cancer risks. The results will make it easier to determine which genes increase the risk of breast cancer and to what extent. The researchers published their results…

In 2014 Russia entered Ukraine and occupied Crimea, and about two and a half years ago it began a large-scale invasion. For Ukraine, it’s a war. But Russia calls it a ‘special military operation’. Word choices of this kind affect how people look at issues. A Dutch Research Council (NWO) project led…

Warja Tolstoj, alumna Art History, has been awarded the 2021 edition of the Ted Meijerprijs. Named after the former director of the KNIR (Royal Netherlands Institute in Rome), the prize is awarded yearly to the best MA/ReMa thesis or PhD in the Humanities.

The rapid expansion of research on human gut microbiome in recent decades has highlighted its role in human metabolism, immune regulation, and behavior.

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

Kathryn Emerson defended her thesis on 28 June 2016

On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

Are you a school or university student, and do you feel very anxious before and during exams? Take advantage of these tips by Leiden student psychologists, from how to stop ruminating to how to conquer a black-out.

Lecture

This book by Damien van Puyvelde provides the first comprehensive English-language account of France's modern foreign intelligence and explores its evolution, operations, and role in global security.

Wijayanto defended his thesis on 17 January 2019

Fourteen students in geology, biology, astronomy and mathematics and seven staff members have made a geological excursion to Australia.

Prof. dr. Aad van der Vaart has been appointed as Scientific Director of the Mathematical Institute of Leiden University on Tuesday 15 September 2015. He succeeds prof. dr. Peter Stevenhagen who has been a dedicated Scientific Director of the Mathematical Institute as from 2007.

In the Western world, kimchi is on an unstoppable rise, but in South Korea the dish is actually losing popularity. Professor Katarzyna Cwiertka explains how this is possible in the video series 'The World of the Korean Wave'.

Rural cult places were of central importance in the non-urbanised areas of ancient Samnium, in central southern Italy. Their development, roles and functions in ancient society, however, remain important research questions. New excavations at one of these sanctuaries, the rural temple of S. Giovanni…

Understanding others’ emotional behavior is essential for navigating daily social life. But how is such an understanding achieved? The eye-tracking study by Yung-Ting Tsou and colleagues shows that children with hearing loss adopt a unique visual strategy that makes uses of explicit visual information…

A comprehensive analysis of Nietzsche's conception of conflict and the way in which relations of struggle condition the organisation of complex systems (with a specific focus on the human psyche and the body politic).

Over the course of eight weeks, twelve law students spent several days at the various sectors of the Court of The Hague where they learned all about the work of judges, judicial assistants and legal advisers. At the final session on 10 March, they shared their experiences.

From the beginning of Galileo’s career, well before the publication of the Sidereus Nuncius, his contemporaries took pains to shape his reputation and fame. They were fully aware that their efforts would shape the course of his career; they also knew that they would profit from helping him.

PhD defence

Using artificial intelligence is more complicated for the government than for companies. Bram Klievink, Professor of Public Administration, aims to identify the problems and find solutions.

Raymond Corbey holds a chair in both Philosophy of Science and Anthropology at the Faculty of Archaeology, to which he has been attached since 1993. The faculty’s 'embedded philosopher', as Dean Kolen likes to call him, is hard to pin down in terms of the usual specialties at the faculty because of…

Are you interested in expanding your knowledge on the Dutch crisis management system? Leiden University is organising a unique lecture series on the subject in collaboration with the Netherlands Institute for Public Safety (NIPV). The lectures will take place on 22 April, 13 May, and 3 June.

During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.

He started his career as a part-time PhD candidate and a reading volunteer at his children's school. Now, as a professor, he looks back on forty years of research and education: Peter Klinkhamer of the Institute of Biology Leiden, ecologist in heart and soul.