Acute stress seems to have a surprisingly positive effect on our health. Researcher Erin Faught received an NWO veni grant to find out why that is and how we can use that knowledge to our advantage. For her lab research, she uses a remarkable small animal to learn more about our own stress levels.

The Executive Board of Leiden University has appointed Jan Kolen as the University’s Artificial Intelligence (AI) Coordinator as of 1 February 2022. In this role Kolen will take the lead in regional and national cooperation relating to the topic of AI, data and digitalisation.

Over 30 ambassadors strengthened their ties with researchers and university leaders in a recent visit to Leiden University. Cross-border collaboration (both literal and figurative) was the theme of presentations and a tour of the Hortus botanicus.

At a festive gathering, 25 projects were awarded a Kiem grant 2025 - 2026 of 10,000 euros. Interdisciplinary teams from Leiden University will conduct innovative research into horror, international payments and fungi in historical collections, among others.

What do we really know about educational quality and its measurement? This was the subject of the first Higher Education Knowledge Café.

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.

Conference, D&I Event

The Knowledge Orchard is a jubilee event at Leiden University to highlight, stimulate and strengthen inter- and transdisciplinary cooperation inside and outside the university. The event is aimed at Leiden University researchers and social partners. Put it in your diary!

Anthropologist Rodrigo Ochigame studies how AI is changing the practice of scientific research. From astrophysics to mathematics to climate science, they find that the adoption of new AI models is raising questions about what counts as reliable scientific evidence.

At a celebratory event, 25 Leiden University projects received a Kiem grant of up to €10,000 for an interdisciplinary research or education initiative. The grant was in demand, as no fewer than 91 projects applied this year.

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’.

Nederlanders met lage inkomens lopen tot 1,5 keer meer risico op het krijgen van een hartaanval of beroerte dan rijkere landgenoten. Bij Surinaamse Hindoestanen is dit risico 1,9 keer hoger. Dat blijkt uit onderzoek van het LUMC en het HagaZiekenhuis. Nederlandse artsen kijken tot nu toe niet naar deze…

Astronomers and surgeons from Leiden are collaborating with industry to develop an optical instrument that delivers faster, more accurate imaging of tumour tissue and abnormal blood flow during surgery.

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

Professor of Radiology Andrew Webb and his collaborative partner Johnes Obungoloch from Uganda have won the 2023 Huibregtsen Prize.

Several consortia in which Leiden University is involved have been awarded Dutch Research Agenda funding. Leiden is the coordinator of five of these consortia. These five consortia will receive grants worth a total of almost 24 million euros. They relate to interdisciplinary projects that will bring…

A growing number of AI tools are being developed for the legal sector, to help professionals search lengthy texts or check court rulings. Leiden SAILS researcher Masha Medvedeva, an expert on the technical development of these systems, warns: ‘Users should know what’s under the hood.’

The programme for the interdisciplinary and transdisciplinary event The Knowledge Orchard has been announced. This anniversary event consists of more than 20 sessions aimed at providing you with practical next steps in your interdisciplinary and transdisciplinary work. Register now!

Research

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

What do you need to move your interdisciplinary collaboration forward? The Knowledge Orchard event will help. Assistant Professor Eduard Schmidt, who is giving a session on leadership, gives a sneak preview.

SAILS and CAIRELab, the LUMC’s AI expertise centre, recently held an event that gave healthcare professionals and computer scientists the chance to meet. The meeting proved fertile ground for new collaborations.

PhD defence

Workshop

The Council of Ministers has appointed Jan Willem Erisman, Professor of Environment and Sustainability at Leiden University, as chair of the new Scientific Climate Council (WKR) from 1 March. This council will advise the government on climate policy.

The call for the ’26-’27 Kiem grant opens on Monday 30 March. Leiden University staff can apply for 10,000 euros for an interdisciplinary research or teaching initiative. This is the last Kiem round.

Applications for Leiden University’s interdisciplinary Kiem grant have opened. Academic and support staff can apply for a 10,000-euro grant for an interdisciplinary, interfaculty research, teaching or organisational initiative.

The Leiden-Delft-Erasmus (LDE) alliance signed a collaboration agreement with the Indonesian Ministry of Education, Culture, Science and Technology on 23 September.

Research

Continuing to improve the welfare of laboratory animals is the focus of the international conference on 12 and 13 October in Leiden. The UK animal welfare charity, the RSPCA, is organizing the two-day meeting together with Leiden University. The meeting is for researchers, animal caretakers, policy…

Arts and culture

Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.

A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

Open Mic

Are you thinking of applying for a Kiem grant but still tinkering with your idea for an interdisciplinary project? Let your Leiden colleagues inspire you! Dario Fazzi successfully applied for a Kiem grant with his workshop ‘Understanding the threat of the Anthropocene’.

Did he dare take a gamble with his PhD research? Jeroen Methorst didn’t have to think long about it. It could fail or turn out very well. The latter is the case. Methorst developed a computer system that helps researchers find the protein they need. ‘Our whole group is now using this program.’ Methorst…

Interest groups seem to be going to court more often to force politicians to act. How often do they do so? And how successful are they? The Kiem project ‘Litigation in the name of public interest’ is compiling a database on this.

50 years ago Lauterbur published the basic principle of MRI. Sine then MRI has become more expensive. Professor Andrew Webb describes what is needed to make MRI available for everybody.

Can cognitive decline in people with Parkinson’s disease be measured using digital tests at home? According to an interdisciplinary team of researchers, the answer is yes. They investigated this with a Kiem grant from Leiden University.

In het Leids Universitair Medisch Centrum wordt gewerkt aan de ontwikkeling van een nieuw malariavaccin dat effectiever is dan de huidige vaccins.

Researchers at Leiden University have created a unique model that mimics how disease develops after a dengue infection. This 'dengue-on-a-chip' model helps them study the virus more effectively. The timing is crucial, as climate change is causing dengue to spread worldwide.

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.