Water damage, old restorations and copper corrosion in some illustrations. De Materia Medica has been through a lot over the centuries. The manuscript dates from 1083 AD and is one of the oldest illustrated Arabic manuscripts in the world. Due to intensive use, De Materia Medica was no longer in good…

Research

It has been preying on people’s minds: the outline agreement and its proposed cuts to higher education. Although the content is not yet set in stone − the outline agreement will be developed into a coalition agreement − we are certain that Leiden University should also expect substantial cuts.

Is it acceptable for an algorithm to make mistakes? Quinten Meertens investigated this at Leiden University and the UvA and has been nominated with his research for the prestigious Christiaan Huygens Science Prize. The winner will be announced on 11 October. In April, Meertens received his doctorate…

Education

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, is co-author of the article 'Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions' which has been awarded the 2025 Best Paper Award by Information Fusion.

Over the past year, many students and staff members of Leiden Law School have been lauded for their extraordinary achievements. For instance: a grant received, an award won, or an appointment by a special committee. We have combined all these achievements in our Honours Gallery 2022:

To increase the accuracy of climate models, it is crucial that they include past human land-use and human-driven vegetation changes. Here archaeology can make an important contribution. Current models are based on reconstructions of past vegetation. However, their accuracy is limited because it does…

The more than 370 sensors that have been hung up in Leiden University buildings to count the people present will not be switched on again. The equipment will eventually be removed from the buildings.

The editorial board of the Leiden Elective Academic Periodical (LEAP) is proud to announce the release of the fourth edition, titled “Subject: Matter”!

Are you thinking of applying for a Kiem grant but still tinkering with your idea for an interdisciplinary project? Let Leiden colleagues from the first Kiem round inspire you! Lydie Cabane invited researchers from all over the world for a workshop entitled ‘Protecting against disasters’.

This year’s Education Market will be happening very soon. On 19 June, staff members will be on hand at a variety of stands in the Huizinga Building, ready to inspire you with their experiences. Two of the lecturers describe what they will be doing.

We already know a lot about genetics and the risk of breast cancer. But much still needs to be done in breast cancer genetics to improve the prognosis and make sure women at high risk aren’t missed. This is what Professor by Special Appointment Marjanka Schmidt will say in her inaugural lecture on 4…

Before coming to Leiden, Dr. Grossmann worked at the Hebrew University of Jerusalem. She first did her PhD and then she joined the Franz Rosenzweig Minerva Research Center for German-Jewish Literature and Cultural History and the Jacob Robinson Institute for the History of Individual and Collective…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Statistician Anja Rüten-Budde has won the C.J. Kok Jury Award 2020. Her PhD thesis resulted in an app which helps patients with soft tissue sarcoma and their doctors to make well-considered choices about the treatment. ‘Her work is interdisciplinary and directly relevant for society,’ the jury state…

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

The Faculty's Academia in Motion (fAiM) Roadshow has embarked on an inspiring journey across our institutes. The goal? To work together with all the expertise within the faculty towards a cultural transformation focused on Recognition & Rewards and Open Science.

Young people have the right to be involved in decision-making on matters that affect them, including their education. Ben Smit, researcher at ICLON, studied how to increase student participation, among other things through participation in research. Defence on 6 September.

The KOG has more to offer than just the transfer of knowledge. The Arts Committee of Leiden Law School organises activities in and around the faculty to stimulate our senses in other ways. They kicked off the new academic year with an open-air cinema evening and an exhibition of photos and haikus.

The final meeting which took place on Wednesday 6 September marked the end of the third cohort of master students’ time participating in the The Hague Southwest Thesis Workshop. During this last meeting, master students presented their research results to residents and stakeholders from The Hague So…

Heike Vethaak and Egbert Jongen from the Department of Economics of Leiden Law School have been commissioned by the Dutch Trade Union Confederation (FNV) to conduct research on the development and distribution of wealth in the Netherlands. The research will start in July and the outcome is expected…

Hannelore Braeken recently joined the Institute for History as a PhD candidate, as part of Paul van Trigt's NWO project 'Collaborative learning from loneliness' (COLLELO). Below she introduces herself.

The 16-year-old girl was staying in a closed juvenile care institution where, among other things, she was administered 'pain stimuli'. The charges are the first of their kind, says Mariëlle Bruning, Professor of Children and the Law, to Dutch newspaper the Volkskrant.

Education, Organisation

Offering all information about available research support in one place is why the new Research Support Portal was built. Policy officer research Marcel Belderbos talks about the recently launched platform.

If you have a class where you want students to collaborate, you can consider booking an Active Learning Classroom. These flexible educational spaces in Leiden and The Hague are designed to make lectures more interactive.

On 24 May 2023, Professor Wannes VandenBussche of Ghent University delivered his inaugural lecture to accept the TPR rotating professorship in the Leiden Academy Building. The title of his inaugural lecture was: ‘De EU-dimensie van het burgerlijk bewijsrecht: een mozaïek van opportuniteiten en valkuilen’…

A leaving do, birthday or other celebration? Many people like to ask for a donation to a good cause for their birthday or anniversary present. Leiden research can be one such cause.

Organisation

Zes onderzoekers zijn voor twee jaar aangesteld als themaleider voor de onderzoeksthema's van de faculteit Wiskunde en Natuurwetenschappen.

When discussing enslavement, attention often focuses on Africans forcibly shipped to South America. Researcher Timo McGregor's new Veni research sheds light on a lesser-known method, whereby indigenous populations were enslaved through the households of colonisers.

When asked about the mission of the Leiden Jewish Studies network, Jürgen Zangenberg, Professor of Ancient Judaism and Early Christianity at Leiden University, and one of the organizers of the event says: “We try to keep the network as broad as possible, and to attract as many people from the outside…

Security

Self-employed workers’ hours have significantly decreased during the coronavirus crisis. Their average hours worked decreased most at the start of the crisis, by more than five hours per week. And it was difficult to return to their pre-crisis hours in the quarters that followed. This is the conclusion…

Marlisa den Hartog is a PhD candidate at the Institute for History since January 2017. She is working on a thesis about perceptions of sexual desire and sexual identity in Italy between 1450 and 1550.

The Netherlands cannot stop European labour migrants coming here. Nor does The Hague have much influence on the influx of asylum seekers. But experts believe that we should be able to reduce the need for labour migrants by using intelligent economic policies.

The National Bee Count initiative of Professor Koos Biesmeijer (Naturalis/Leiden) and Vincent Kalkman (Naturalis) has received the NWO Communication Initiative Award. The jury praises the initiative, which manages to reach a very wide and diverse audience, while at the same time contributing to the…

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…

The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

The European Commission has selected a consortium of major European launcher and satellite manufacturers, operators and service providers, as well as policy and legal research centres and institutes to study and provide guidelines and recommendations on Space Traffic Management (STM). The IIASL of Leiden…

With the passing of Stephen Haigh on 9 September 2022, Leiden University's Institute of Political Science has lost a dedicated and inspiring instructor.

In anticipation of future legal reforms on gender-based violence in the Republic of Moldova, Dr Carlotta Rigotti was invited by the United Nations Population Fund to participate in a roundtable discussion on legislative and policy approaches to online and technology-facilitated violence.

Space travel has long since progressed from being just about rockets, travelling to the moon, and Russia and America. The Netherlands has its own Space Agency and one of its important tasks is collecting and making available increasingly advanced satellite data.

A lecturer winning a prize, an expert appearing in the media or a professor giving their inaugural speech: these are faces we often see. But we rarely see the staff who work behind the scenes to make their work possible. They are now featured in the photo exhibition ‘The forces behind the faces’.

On 27 May, 180 pupils from Vlietland Secondary School visited Leiden University’s law faculty. At the school, pupils learn about themes that are important for them as well as for the world, such as sustainability, globalisation and children's rights.

Law firm Ficq & Partners has pulled out of the Marengo trial in the Netherlands. It claims that the use of a crown witness entails ‘unmanageable risk’. Do the advantages of the crown witness scheme outweigh the risks? Jan Crijns takes stock in Dutch newspaper ‘Trouw’.

Dr. Vanessa Newby (ISGA) and Dr. Catherine Jones from St Andrews won a grant worth over €23.000 from the RSE Saltire Facilitation Network Award entitled: ‘Worse Things Happen at Sea’: The Governance & Security of the Ocean. The grant will comprise three workshops in 2022: one in Leiden, one in Edinburgh…

In the ‘Imaginary’ exhibition, its curators show how society is made up of mathematics. From algorithms that save lives to ones that generate art. The exhibition is from 2 June to 25 July at Oude UB in Leiden.