On Friday, 2 December 2022, PhD candidates connected to the Institutions for Conflict Resolution (COI) research group participated in a Skills Lab focusing on the skill of writing empirical legal research papers.

For more than forty years Heinrich Witte was responsible for the flora in the Hortus botanicus in Leiden. The 19th-century garden manager made the Netherlands famous with plants from Japan. The Old University Library is showing an exhibition of his work (19 August to 4 November).

The history of the LGTBI+ collective, deeply marked by episodes of violence, repression, and discrimination, is also the history of the struggle for social change and the conquest of civil rights, advances without which contemporary Western democracies could not be explained. More recently, the implementation…

The interdisciplinary Kiem project ‘Violence as a Population Health Problem’ has resulted in a plan to apply for a large, yet-to-be-decided research grant. The so-called pressure cooker session at the heart of the project proved very effective.

If you had something important to write down in ancient times, you would usually write in Greek in the eastern Mediterranean. University lecturer Joanne Stolk has been awarded an ERC grant to explore the kinds of spelling mistakes that were made in these scripts. And, more importantly, what improvements…

The NWIB Visiting Professors Programme offers assistant professors, associate professors and full professors at participating universities a unique opportunity to work undisturbed in an inspiring and stimulating environment. This programme enables you to stay at one of the five Netherlands Scientific…

An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers,…

The Upper and Lower Houses of the Dutch Parliament are struggling with how tolerance should best be interpreted. As a result, the freedom in the Netherlands for people who hold alternative views is diminishing. This is Floris Mansvelt Beck’s conclusion on the basis of his PhD research. Defence on 2…

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

What to do when more than forty boxes, filled to the brink with archival materials from the study of religion ranging all the way from the 1960’s up until contemporary times, ‘surfaces’? This may not be a typical question that you ask yourself on an average weekday. However, it is a question that must…

It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…

For some devout Muslims, going to the cinema or viewing certain images is provocative and problematic. Ahmad Nuril Huda investigated the development Santri (young, pious Muslims) have undergone in this field over the past ten years. The Cinematic Santri is the result of his PhD research.

In a lecture for the University of the Netherlands, Reijer Passchier, assistant professor in constitutional and administrative law, speaks about the state of our democracy. ‘Is it not time to upgrade our democracy?’

What is public leadership? How does one promote research on public leadership? These and other questions will be addressed at the official presentation of the research and development agenda ‘Moving forward with public leadership’ on Wednesday 11 April. Mayor of The Hague Pauline Krikke and Rector Magnificus…

Tech company Uber uses various tricks via the Netherlands to avoid paying tax on its profits. A $16 billion inter-company loan from Singapore has prompted questions with experts claiming the loan is not under arm’s length terms. MEP Paul Tang wants Brussels to investigate.

An international team of researchers including Leiden archaeologists has produced convincing evidence that 300,000 years ago pre-Neanderthal people had a high level of cognitive complexity. New insights into early human capabilities and behaviour.

Dutch politics has long been a paragon of stability. Think, for example, of our party system until, say, the last decade. At the same time, we also see occasional changes and significant shifts. Society has changed and this is reflected in, among other things, how we vote and how policy is made. About…

Konstantinos Zoumpoulakis, Research Assistant at the Institute of Criminal Law & Criminology, has written a report on this conference

From telescopes to science fiction: in just one semester, students with no background in physics or astronomy get to explore the universe. The first group of students started last month in the new minor Our Universe.

On Wednesday 4 September, Queen Máxima opened the renovated tropical greenhouse complex of the Leiden Hortus Botanicus, an event that attracted wide public interest. Thanks to this renovation, the greenhouses are even better equipped for scientific research.

The Dutch East India Company (VOC) took healthcare seriously, albeit mainly for business reasons. Former GP Ton Zwaard’s PhD research reveals that although healthcare in Asia was well organised, the VOC faced persistent problems for two centuries.

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,…

Anyone who thinks that #MeToo is a new phenomenon, can think again. Subjects such as sexual intimidation, female self-defence and subjection to male desires can be found as early as in Medieval Islamic literature. Senior lecturer Asghar Seyed-Gohrab explains further on the Leiden Medievalists Blog,…

The Massive Open Online Course (MOOC) ‘EU policy and implementation: making Europe work!’ of Public Administration is included in the list of Class Central of the best courses in 2020.

Leiden physicists are helping Wageningen plant researchers to study unpredictable plant embryos. For this, they are using a novel two-photon fluorescence microscope, aided by a 30 thousand euro ZonMW grant.

Would you like to do collection-oriented research, but do not have sufficient resources? Every year, the Museums, Collections and Society (MCS) research group makes several research scholarships available for this purpose. Researchers Elizabeth den Hartog and Marika Keblusek previously received an MCS…

Researchers and policymakers are welcome to attend the AI & Society Conference in The Hague on Friday 23 June. The SAILS interdisciplinary research programme will be taking a nuanced look at the state of the art of AI technology. And offering fresh perspectives.

Within the same species of butterfly many different wing patterns can occur. How is this possible? According to researchers Ben Wielstra and Emma Berdan, of the Institute of Biology Leiden (IBL), the answer lies within supergenes. A supergene is a part of a chromosome that contains many strongly linked…

Leiden's Boerhaave Museum and Leiden University Medical Center (LUMC) have discovered parts of a skeleton in an 18th-century manikin. The manikin was once used as a teaching aid for midwives. As far as we know, this is the only one of its kind in the world.

From the Open Days and Student for a Day events to the option of following Online Experience modules: the university tries to prepare prospective students for their new study programme as well as possible. In this context, the bachelor’s programmes Dutch Language and Culture and English Language and…

On Thursday 16 November 2017, Lalin Kovudhikulrungsri will defend her doctoral thesis entitled ‘The Right to Travel by Air of Persons with Disabilities’. The defence will commence at 11.15 hrs at the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor P.M.J. Mendes de…

A European project should help reinvigorate Latin teaching in secondary schools. 'By focusing on citizenship, we want to show that Latin is relevant to discussions about citizenship and migration.'

Individuals with a mild intellectual disability often experience loneliness more frequently than others. In a new NWA project, social history lecturer Paul van Trigt is collaborating with and for them to find a suitable approach.

University lecturer in Chinese and Comparative Philosophy Jingjing Li has been awarded a Veni grant for her research on feminist theories within the Buddhist philosophy of consciousness-only. Jingjing Li explains her plans and the importance of her research.

There is a lot of discussion about international students and Dutch universities. The Cultural Anthropology and Sociology of Development programme is an international bachelor's programme. Forty per cent of our students come from outside the Netherlands. We ask five students how they feel about studying…

LUF grants for research projects have been awarded to Liesbeth van Vliet, Michiel Claessen, Anna van Duijvenvoorde, Laura Steenbergen, Kim de Jong and Franziska Richter. Each of these Leiden University scientists receive an amount between € 17.500 and € 25.000 to realise their scientific plans.

The D66 proposed bill on Ending Life with Dignity is inadequately substantiated and contains contradictions. This is the view expressed by Professor of Political Philosophy Paul Nieuwenburg in his inaugural lecture on 17 March.

In 2010, the remnants of a 16th century indigenous village were discovered in St. Vincent, on the construction terrain of the new International Argyle Airport.

Two of the 38 scrutinised programmes offered by the Faculty of Humanities at Leiden University have been assessed as unsatisfactory by NVAO. The Faculty is already working on improvement plans. Graduates of Humanities have no reason to be concerned about their diplomas; these are and will remain fully…

The energy and water consumption and CO2 footprint of all buildings at Leiden University can now be seen on its new Duurzaam in Beeld website. ‘We do a lot about sustainability,’ says Jeroen Waijenberg, Sustainability and Energy Coordinator at the University’s Real Estate Directorate. ‘But our efforts…

Paul van Trigt and Anna Derksen, both researchers in the project 'Rethinking Disability', received grants for research abroad.

An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.

On 14 November 2025, representatives from several organizations across the publishing reform and research assessment reform communities gathered in Pisa, Italy, for a workshop aimed at identifying and advancing joint actions to strengthen both movements.

An external visitation committee gave the Institute of Biology Leiden (IBL) an outstanding assessment. In terms of research quality and relevance to society, the IBL gets the highest score: excellent. The increase with five new female professors also receives praise from the committee.

Fijs van Leeuwen, Professor of Radiology, Molecular Imaging and Image-Guided Therapy, advocates an open and respectful academic culture that always puts the patient first. He delivered his inaugural lecture on 13 November.

Dutch newspaper Trouw investigated the tax position of multinational Cargill. Their conclusion? Cargill appears not to pay taxes over their profits. Trouw asked Jan van de Streek, Professor of Tax Law, and PhD candidate Josephine van der Have for an explanation. Prior to this, Van der Have had also…

The Dutch Passport Alerts Register (Register paspoortsignaleringen, RPS) lists Dutch nationals (around 8000 in 2021) whose right to a passport has been restricted. As a result, they cannot apply for, renew, or must surrender their passports. Under the Passport Act, the Tax Authority, the DUO (Education…

Leiden University's Kiem grants aim to help develop new interdisciplinary and interfaculty collaborations and encounters. In the first round, a Kiem grant was awarded to a group of researchers from the Faculty of Archaeology, the Faculty of Social Sciences, and the LUMC for the organisation of a symposium…

Tuesday 7 September sees the release of the book ‘Plots stond het Leidse leven stil’ by Charlotte Boin, a freelance writer from Leiden. This book of interviews gives an impression of the turbulent effect of coronavirus on the lives of students, researchers and partners of Leiden University.

The alignment of the James Webb Space Telescope is complete. The space observatory is able to capture sharp, well-directed images with each of its four powerful scientific instruments on board. The MIRI instrument, on which Professor of Molecular Astrophysics Ewine van Dishoeck also worked, was the…