Leiden University joins the Just Transitions for AMR Working Group, an interdisciplinary team of social science and humanities researchers who are exploring ways to mitigate the growing threat of antimicrobial resistance in a just and equitable manner, with due consideration to the human rights of present…

Tahir Abbas, Professor of Radicalisation Studies at the Institute of Security and Global Affairs, organised a book launch for his new book: 'Ruminations: Framing a sense of self and coming to terms with the other'. The book launch took place on Thursday 15 December at Campus The Hague.

When Petra Sijpesteijn became a member of the Académie des Inscriptions et Belles-Lettres, she was the only Dutch member with an appointment at a Dutch university. Two years later, she is also the only Dutch member of the Austrian Academy and officially joined the British Academy on 7 October.

Aske Plaat is the scientific director of LIACS, the Leiden Institute of Advanced Computer Systems. He is also an ambassador for Leiden University's LGBT+ Network. His enthusiasm shines through when he explains why.

Gert Oostindie, Professor of Colonial and Postcolonial History, has been made an Officer in the Order of Orange-Nassau. He was awarded the royal honour by Leiden mayor Henri Lenferink after giving his valedictory lecture, ‘The future of the colonial past’, in the Academy Building of Leiden University…

Het voorstel van D66 om een wetsartikel zo te veranderen dat een politieke partij kan worden verboden, is onverstandig, zegt rechtsfilosoof Bastiaan Rijpkema. Hij spreekt er uitgebreid over tijdens een interview met de Volkskrant. ‘Het is overduidelijk bedoeld om één specifieke partij aan te pakken:…

Extremist users of Telegram are moving en masse to other chat apps, such as the anonymous SimpleX. In this way, they hope to avoid detection, now that Telegram founder Pavel Durov is going to share personal data of criminal users with authorities.

The thesis is a major milestone for master students graduating in Political Science. It demonstrates their ability to conduct research independently and to provide a thorough, objective and sound analysis. That requires instruction, discussion, thinking and hard work. Lots of it. In some cases this…

The Netherlands has gained a third commentary on the Constitution – with Leiden as its home base. The first copy of Een nieuw commentaar op de Grondwet (A new commentary on the Constitution) (published by Boom Amsterdam) was presented to Prime Minister Mark Rutte in the Torentje last week.

In een spraakmakende rechtszaak over de Wet open overheid (Woo) besloot een rechter zelf documenten over de toeslagenaffaire te beoordelen. Wim Voermans en Annemarie Drahmann deelden hun opvattingen over de zaak met de Volkskrant.

The Leiden interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) and the Embassy of Ireland are jointly organising a special book launch in The Hague. On 13 November, Gerry Finnegan, author and a former director of the International Labour Organisation (ILO), will…

Numerous of enthusiastic administrators, professionals, policy makers, and citizens gathered last week for an assembly organised by ‘Gezond en Gelukkig Den Haag (in English: Healthy and Happy The Hague). They discussed a different approach to health, health care and society, while exchanging best pr…

The Master's programme in History at Leiden University is set to change. From September 2026, three of the five specialisations will be replaced by new subjects that are more closely aligned with the field of research and students’ interests. One of these new specialisations will also be taught entirely…

Parents are not always heard before their children’s placement in care is extended. They can only have their say if they ask the judge for a hearing themselves. ‘It should be the other way round,’ says Mariëlle Bruning, Professor of Child Law in a ‘De Nieuws BV’ broadcast.

The Leiden University Centre for the Study of Religion (LUCSoR) and the Beheerstichting Theologische Fondsen hand out two thesis prizes each year, one for the best bachelor thesis and one for the best master thesis.

The Dutch Public Prosecution Service (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases in an effort to solve deadlocked murder cases. Bart Custers, Professor of Law & Data Science at eLaw, Center for Law and Digital Technologies, expects that this is permissible from…

PhD defence

PhD defence

PhD defence

PhD defence

Alumni event, Lezing

On Friday, June 28, 2024, emeritus professor Rudy B. Andeweg passed away. His passing marks the loss of an important figure within the field of political science, not only nationally, but internationally. Here we remember an outstanding researcher, inspiring teacher, capable administrator and an involved…

In the MS Cognitietour, psychologists and neuroscientists from Leiden University discuss the latest scientific knowledge with MS patients and their loved ones. This leads to insights: 'One lady told how much stress she felt from all those caregivers around her bed.'

Oberon Janszen, alumnus Bestuurskunde, ging na zijn studie als stagiair bij de Inspectie der Rijksfinanciën aan de slag

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, was interviewed by EUobserver and Al Jazeera English on the European Commission’s newly unveiled Digital Omnibus package – a set of proposals that would amend the GDPR, the AI Act, cookie rules and parts of the EU’s cybersecurity…

The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…

People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…

It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden PhD candidate Samuel Schwab has found that the histones in these organisms are much more diverse than previously thought. Schwab and his colleagues describe…

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

Hordes of photographers, students trying to catch a glimpse and take selfies, and cheering people at the entrance to Wijnhaven. Canadian Prime Minister Justin Trudeau and Prime Minister Mark Rutte were received like true pop stars, in the late afternoon at Leiden University’s Campus The Hague.

On Thursday 9 December, Dr Upik Djalins presented an online lecture, entitled 'The Colonial Bureaucratic Network versus the Metropole: The Origin Story of Land Alienation Prohibition in the 1870s East Indies'.

A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

On Thursday 23 November, Professor Betty de Hart delivered the lecture ‘Exploring the Legal Archive on Race: Methodological Challenges’ as part of the lecture series ‘Reconsidering the Socio-Legal Gaze’ organized by the Van Vollenhoven Institute. Over 40 people attended the lecture, held online due…

The symposium will be held on 11 June 2025 from 10.00-17.00 and is organized as a starting point for the publication of an edited volume – a selection of symposium attendants will be invited to submit book chapters.

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

An international team of astronomers led by Violeta Gámez Rosas (Leiden University) has observed a supermassive black hole hidden in a ring of dust. This discovery fits the idea that the so-called active centers of galaxies are much more similar than observations show, because the viewing angle from…

The Yemen Amsterdam Library, or Maktabat al-Yaman al-Amstirdāmīyah, of eminent Yemen specialist Dr C.G. Brouwer has now been fully integrated in the collections of Leiden University Libraries (UBL). Books and other documents from the collection are now available for loan via the UBL Catalogue.

Academics are increasingly facing threats, harassment and hate speech following public appearances. The Dutch universities – united in the Association of Universities in the Netherlands (VSNU) – is now adopting a number of national measures, from a zero-tolerance policty to psychosocial help for vic…

Cancer immunotherapy represents a significant breakthrough in cancer treatment. However, tumors have numerous mechanisms by which they evade destruction by the immune system. It is therefore necessary to decipher and reverse these mechanisms in order to improve immunotherapies.

On 28 January 2025, Philip Purnell successfully defended his PhD thesis at Leiden University, titled "Bibliometrics in the Context of Research Evaluation and Research Policy".

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This time he…

A cannon, a sabre, guns: these Sri Lankan objects had been in the Rijksmuseum for centuries. In early December, they were returned to Sri Lanka. Associate Professor of Colonial History Alicia Schrikker led the research that formed the basis for the restitution and published a volume on the findings…

Catherine Wood and Martijn van Ette recently joined the Institute for History as PhD candidates in the NWO Vidi-funded project "American foreign policy and liberalism", led by Andrew Gawthorpe. Below they introduce themselves.

CADS Research Seminar

Democracy is under pressure all over the world. With the #DemocracyinAction project, university lecturers Sara Brandellero and Kamila Krakowska Rodrigues want to investigate how grassroots art projects manage to keep democracy alive.