Leiden and The Hague have an extra 450 trees thanks to a special campaign to mark the 450th anniversary of the Relief of Leiden and Leiden University’s foundation. Over the past few months, Stadslab Leiden has worked on an initiative to plant young trees with the residents of the two cities.

Promotor: M.T.M. Koper, Co-Promotor: F. Calle-Vallejo

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In this publication, Prof. Tahir Abbas, Inés Bolaños Somoano, Joana Cook, Isabelle Frens, Graig R. Klein and Richard McNeil-Willson look into the manifesto that was linked to the Buffalo attack in order to better understand the broader context and specific factors that motivated the perpetrator.

The subject of the research is ‘difference and repetition’, an area which bears a direct relationship to Wjm Kok’s practice, in which the production of work always emerges and passes through series.

Conference

Wat zie jij als je verderkijkt? Hoe ziet studeren aan de Universiteit Leiden in 2075 eruit? We nodigen je uit om mee te doen met Verderkijkers.

Want to find out how to assemble a human skeleton? Do you know what chemistry can be found around you? And are you easily fooled by fake news? Discover this and more at our Science Fair on 3 October.

Students from the Royal Academy of Art The Hague (KABK) designed the 450 lustrum logo.

'The way we consume information has changed dramatically over the past fifteen years. You're no longer just a receiver; you participate, create, and spread information. So why not use that to improve society?'

As of 1 October, David Holmes has been appointed full professor of Pure Mathematics at the Mathematical Institute (MI). His work lies at the intersection of algebra, geometry and number theory.

Yra van Dijk obtained a NWO 'Internationalisation in the Humanities' grant. Together with Ernst van Alphen she will collaborate with 8 European and Israelian partners in researching 'Digital Memory of the Holocaust'.

Leiden astronomer Anthony Brown had the honour to give the prestigious Spitzer Lectures at Princeton University. In five lectures spread over the beginning of May, he gave an insight into the Gaia Mission. ‘One of the intellectual highlights of the year.’

‘Rudy van Vliet is always willing to go that extra mile to help us,’ is what students say about him. The lecturer in the Computer Science bachelor’s programme not only teaches his regular courses but also offers additional classes to prepare students for programming competitions. His dedication to students…

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Ayo Adedokun, Assistant Professor at Leiden University College The Hague (LUC), was one of the four finalists for the National Teacher of the Year Prize for 2022. The National Prize is an annual event organized by the Dutch National Students Association (Interstedelijk Studenten Overleg, ISO), and the…

For the first time, research has been conducted on how the health of detained persons prior to their detention differs from that of non-detainees and to what extent health problems change over the period: from before and after their detention.

Leiden University is entering into a strategic partnership with the Leiden student associations and the Local Chamber of Associations (PKvV). The parties are committed to maintaining and strengthening the existing good relations between them.

This year, Leiden University celebrates its 444th birthday – and when you’re giving a party, you need great music! Neuropsychologist Rebecca Schaefer agrees. She has been fascinated by music since she was a child, and now she studies how music can make us happy, give us energy or calm us down.

Studies in current archaeological applications of remote sensing and non-invasive prospection methods edited by Hans Kamermans, Martin Gojda and Axel G.

This historical study argues that the Mandaean religion originated under Sasanid rule in the fifth century, not earlier as has been widely accepted. It analyzes primary sources in Syriac, Mandaic, and Arabic to clarify the early history of Mandaeism.

In this article, Jaroslaw Kantorowicz and his coauthors analyse how recent political changes reshaped Poland’s Constitutional Tribunal and why this transformation provides important insights into contemporary democratic backsliding in Europe.

The adenosine receptors are proteins that reside in the extracellular membranes of cells. Activation of adenosine receptors plays a role in many physiological and pathological processes, such as immune responses and cancers.

Benjamín Maldonado, Orestes Kyrgiakis, Roos Capel and Iskra Cvitković are the new student members of the Programme Committee (OLC). The board advises the Executive Board and the Faculty Board about educational matters, such as the determination of the Course and Examination Regulations and the evaluation…

Marc Koper, Professor of Catalysis and surface chemistry, has been awarded the EuChemS Gold Medal 2026. The prize is awarded every two years and recognises outstanding achievements in the field of chemistry in Europe.

Children aged between 12 and 17 years can decide themselves whether they want to be vaccinated or not. Experts say that children are capable of taking a well-considered decision.

The Belgian elections are over. Now it is up to the formateur to form a cabinet, but that is difficult. Fauke Deceuninck, program leader of Politics and Governance at the Center for Professional Learning, explains to Speechmakers why that is.

Last Wednesday February 7th, LUC The Hague celebrated the graduation of the Class of 2017 ½. Around 250 guests joined the ceremony at Leiden University’s Wijnhaven building, followed by a festive reception at LUC The Hague in honour of the 34 graduates.

On Monday 24 August 2020 a small, intimate gathering of graduating students and staff took place in the Leiden University Academy Building’s Groot Auditorium. The other students participated online.

Helena Ursic, researcher and PhD candidate at The Centre for Law and Digital Technologies (eLaw), has been awarded the prestigious Fulbright Scholarship to continue her research at Yale University from January 2018 to December 2018.

On Thursday 29 August, Arco Timmermans, Professor by special appointment Public Affairs at the Institute of Public Administration in The Hague launched the book ‘Public Affairs in Maatschappelijk Perspectief’(Public Affairs from a Social Perspective).

On 10 September the students of the European Law Master gathered in the Lorentzzaal for the festive opening of their programme.

The Hague Diplomacy Podcast aims at bringing the themes of the journal's research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience within their practice of or research on diplomacy. Available via SoundCloud, Apple Podcasts…

Joris Larik Assistant Professor of Comparative, EU and International Law at Leiden University College The Hague was appointed as Secretary for a new Expert Commission on Interstate Use of Force and Humanitarian Intervention by the Dutch Foreign Minister.

Om de verkeersveiligheid te kunnen waarborgen en overlast in de binnenstad tegen te gaan, wil de gemeente Enschede als eerste gemeente in Nederland een verbod op fatbikes invoeren. Geerten Boogaard, hoogleraar decentrale overheden, zegt in RTL-nieuws vraagtekens te hebben bij de juridische haalbaarheid…

On 17 November 2023, Dr Mark Klaassen participated in a seminar commemorating the 20th anniversary of the EU Family Reunification Directive. The event, initiated by Dr Karen Geertsema and Professor Tineke Strik, was hosted by the Centre for Migration Law at Radboud University in Nijmegen.

On Sunday, November 9 2025, Prof. dr. Sarah Cramsey presented a film at the “Eastern Neighbors” Film Festival in The Hague.

The Heritage Quest archaeology project has been nominated for the Heritage Volunteer Prize. In the project volunteers are looking for archaeological remains such as burial mounds, Celtic fields and cart tracks. The project leaders are Leiden University, Landscape Heritage Utrecht and Gelderland Heritage.…

In 2020, many of our staff and students have again won prestigious prizes and been awarded important research subsidies.

A presentation on the latest developments in artificial intelligence and law, several public lectures on Criminal Justice, and a brand new trial in which Leiden female serial killer ‘Goeie Mie’ was acquitted after all. It was all possible during Leiden European City of Science 2022. Below is an overview…

On 19 November 2012 Prof. Dr. Jacqueline J. Meulman will participate in the programme 'From Theory to Practice', organized by Studium Generale and Leiden University Research & Innovation Services (LURIS), giving insights in the path from scientific discovery to application.

During the honours programme’s start of the year event of September the 15th, Pierre van Eijl and Albert Pilot were invited to talk about their research on talent development in honours programmes and the honours laboratory for 21st century skills. The honours programme with a new name is ‘Tackling…

Approximately 10-15% of the world’s population is estimated to be disabled. The researchers from the ERC Rethinking Disability project have shown how disability campaigners managed to place disability on the human rights agenda. Their research has now been converted into a comic strip.

Throughout the year, the organisation 'Voedsel Anders' organizes an events series that showcase various local food initiatives in Dutch cities.

The Executive Board and Management Board of the EU Fundamental Rights Agency will meet from 13 to 15 December, with Rick Lawson as Acting Chair.

Minister Grapperhaus wants to use intelligence services in the investigation of drug crime. There are many doubts about this wish in the intelligence world. Paul Abels, Professor by Special Appointment Governance of Intelligence and Security Services at the Institute of Security and Global Affairs (ISGA),…