Tjerk Oosterkamp of the Leiden Institute of Physics managed to do the first-ever measurement of gravity on a tiny particle - just 0.43 milligrams - where the quantum regime starts. He explains in Physics World why this is so challenging.

Prisoners who have little or no contact with the outside world are more prone to reoffend. What makes visits so important?

Associate Professor Gianclaudio Malgieri (eLaw – Center for Law and Digital Technologies) and Professor Margot E. Kaminski (University of Colorado Law School) have published a new article in the very prestigious Yale Journal of Law & Technology, titled Impacted Stakeholder Participation in AI and Data…

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

Education, ICT

Research

The coronavirus crisis had a major impact on the judicial system in the Netherlands: courts closed at the start of the pandemic and instead held virtual hearings. Research now shows that things did not always go smoothly.

Anne-Grete Märtson

Concrete actions for assessment panels, boosting responsible evaluation

Leiden University health psychologist Andrea Evers will join the Scientific Council for Government (WRR) on 1 January 2024. Last Friday, the council of ministers approved Evers' nomination for appointment by the king as a council member. The WRR informs and advises the government and parliament on major…

Dr Quentin Bourgeois and a group of students are currently exploring the Veluwe. In 2019 and 2020 volunteers looked at altitude maps of the Veluwe and indicated potential burial mound locations. Now the team from Leiden is 'ground-truthing', checking on the spot whether we are dealing with an actual…

An article about our Mathematical Institute (MI) appeared on 23 June in the University newspaper Mare.

Starting 1 November, the Walaeus Library, located in the Leiden University Medical Centre, is part of Leiden University Libraries (UBL).

On Monday 9 May, IIASL alumnus Adrian Young gave a very satisfying cross-disciplinary session between law and the arts, on the preservation of heritage in space.

Last week, Kaya Peerdeman received the SIPS Early Career Award at the fourth international conference of the Society for Interdisciplinary Placebo Studies in Duisburg, Germany.

Social media are playing a key role in calling for resistance to the corona measures. Online, agreements are made about where and when people will gather to protest. The authorities are not always fully aware of what is happening and cannot just infiltrate, whereas civilians can often easily participate…

Research

Organisation

Facility

Finance

On December 1, the Faculty of Archaeology hosted the LANCE internship and job market 2022 for our BA2 and BA3 students. No less than 14 Dutch commercial archaeology firms and 13 faculty staff members informed some 170 students about the archaeological research projects they are carrying out.

Australia wants to introduce a law that makes it possible to demand the identity of anonymous internet trolls. Is this be conceivable in the Netherlands?

Assistant Professor of European Studies and International Relations Daniel Schade was a guest on Deutschland Heute on Deutschlandfunk and spoke about the recent Schengen evaluation report by the European Commission.

Laura Doornkamp, PhD candidate at FGGA, is organizing a symposium on the role of gender representation and gender stereotypes in Dutch secondary education. The symposium will take place on 23 November from 19.00 – 21.30 hours at Wijnhaven. Five questions about the symposium.

Commercial parties offering space travel, space waste, claiming the moon, potentially exploiting resources ... It’s going to get busy in space in the coming years. But there are no clear agreements about this. Tanja Masson-Zwaan, Assistant Professor of Space Law, talked about the topic in Spraakmakers…

How to represent and assess legitimate interests? On behalf of the Dutch Ministry of Interior and Kingdom Relations, Caelesta Braun and Bert Fraussen developed the framework ‘Afwegingskader Legitieme Belangenvertegenwoordiging’ (Assessment Framework Legitimate Interest Representation). The researchers…

With the start of June, the annual Leiden Archaeology Field School has begun. Like last year, the Field School takes place in Oss. Every week, a group of 25 first year students gets to learn the ins and outs of a professional excavation.

Koen de Ceuster, university lecturer for Korea Studies at the Leiden University Institute for Area Studies, was interviewed on the NKNews Podcast about art in North Korea. He speaks about the role of art in North Korean society, art ‘business’, and argues why it is not possible to separate propaganda…

President Zelensky of Ukraine has asked the UN International Court of Justice to issue an urgent order to stop Russian military activity in his country. According to Zelensky, Russia has twisted the concept of genocide to justify aggression.

The Dutch Ministry of Infrastructure and Water Management is refusing to release documents on the safety of Schiphol Airport, despite a court ruling that they must be made public. The case has been running for four years and was brought by current affairs programme EenVandaag.

Education, Research

Fishermen in the United Kingdom recently protested about the adverse effects of Brexit on their trade. It would be naive to think that covert feelings of being under threat do not exist among the Dutch population. Citizens who feel threatened become defensive, a situation that could lead to a Nexit.

Eleven researchers of the Faculty of Science are on the 2021 Highly Cited Researchers list of Clarivate Analytics. Only 0.1 per cent of researchers are included in this list, literally making them one in a thousand.

Eurostat, the European statistical office, reports that inflation in the Eurozone has increased to 4.1 per cent. What are the implications for your wallet and your savings? And how can consumers respond?

Did you watch the Dies Natalis on Tuesday the 8th? There, the new Strategic Plan of Leiden University was presented. The plan, Innovating and Connecting 2022-2027, is a plan by and for us all. It came about thanks to the involvement of many colleagues and students, from our Faculty as well.

Dimiter Toshkov, Associate Professor at Leiden University, told CGTN Europe that the Dutch election outcome reflects growing support for pragmatic and pro-European politics. He highlights D66’s focus on education, climate policy and European cooperation as key to its strong performance.

Student Rozita Abdolrahimi Raeni is one of this year's winners of the KNMP Student Award. The Royal Dutch Society for the Advancement of Pharmacy (KNMP) hands out the award annually. Rozita is a master's student in Pharmacy and received the award for her excellent study results, motivation and commi…

Organisation, Research

Organisation

Education

How many children are waiting for help from youth services in the Netherlands at any given time? And exactly how long do they have to wait?

De coalitie houdt woensdag en donderdag topoverleg over de koopkrachtdaling van 6,8%. Het kabinet wil deze ongekende koopkrachtval compenseren, maar hoe kan dat effectief en enigszins betaalbaar?

Research, Security

Social

Stay tuned for updates on relevant media appearances of Anne-Laura van Harmelen.

No, the Netherlands is not a tax haven, the new State Secretary for Tax Affairs Marnix van Rij said shortly after his introductory meeting with Dutch Prime Minister Rutte. Yet there are numerous reports that describe the Netherlands' role as a tax haven.

Many deepfake porn videos are going around appearing to feature popular Dutch presenters, actors and politicians. These videos are banned, and yet they’re still being circulated. Dirk Visser, Professor of Intellectual Property Law, explains why: ‘There are enough rules telling us that deepfakes aren’t…

Organisation

The tuktuk of the European City Of Science Leiden 2022 sent science on its way to the neighbourhood. In the town center of Oegstgeest, the Empathy Team, consisting of Liesbeth van Vliet, Hinke Hoffstadt, Yvette van der Linden and Jenny van der Steen, took interested visitors on a journey into the experience…