In the week of 22-26 September, we celebrate the national Open Science Week at Leiden University. What is your next step towards openness?

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

What skills do students need to function as academic professionals and engaged citizens?

Genes predict whether you have a propensity for an illness but environmental factors often have the last word: nutrition, air pollution, lifestyle, stress. The exposome as both culprit and chance. Large-scale research is being carried out into this at Leiden. Thomas Hankemeier, Professor of Analytical…

Rotterdam is an extreme example of inequality in the Netherlands. There are huge health and life expectancy differences between neighbourhoods. Good access to healthcare and education isn’t a cure-all, say inequality economists Lieke Beekers and Hans van Kippersluis

They are not always in the spotlight but are essential to our scientific research: Leiden research support professionals. And their network is growing and professionalising all the time. Over a hundred such professionals shared knowledge and gained inspiration at the Leiden Research Support Network…

International collaboration is essential to research and teaching but it also brings risks. Such as sharing sensitive knowledge and technology or foreign interference in research. Rector Hester Bijl explains what staff can do to prevent this.

From forwarding promising calls and arranging budgets to assisting in legal issues and keeping track of important deadlines: to associate professor Roxanne Kieltyka, the research support offered by project managers Inge Rietveld en Christina Schlüpen is fundamental. ‘The combination of our expertise…

Research

Vice-chairman of the Executive Board Martijn Ridderbos will leave Leiden University at the end of this year.

Finance, Organisation

Research

Leiden University has seven top-rated bachelor's programmes according to Keuzigids universiteiten 2026, a consumer guide to university programmes. This is based on the National Student Survey.

Organisation, Research

Assistant Professor Briitta van Staalduinen has received the Best Dissertation Award from the American Political Science Association, Section on Class and Inequality. Her dissertation, Ethnic Inequality in the Welfare State, aims to reconcile the persistence of ethnic inequalities in expansive welfare…

Over the past year, AI experts across the university have launched initiatives for and with lecturers, students and staff. This is in response to the growing role of AI in society, with its impact and associated risks calling for greater awareness within our sector. All information for lecturers is…

Leiden University researchers will be working more closely with colleagues at Una Europa partner universities this year. Three research projects have been awarded up to €40,000 in Una Europa seed funding to explore questions related to democracy and AI, web tracking technologies and clean energy.

‘We may have taken steps together, but there is still much to do in the fight against racism and discrimination’, says Annetje Ottow, President of Leiden University’s Executive Board. ‘We have to be aware of this and continue to focus on this difficult, uncomfortable and often confronting topic.’

The risk of a brain tumour recurring can be predicted more accurately by counting the number of immune cells in the tumour under a microscope. These are the findings from research conducted by LUMC, Erasmus MC and Heidelberg University.

The Countering Syndemic Vulnerability project supports communities by identifying and tackling clusters of social factors and health problems. The project works with residents and professionals in the Moerwijk district in The Hague and the Stevenshof district in Leiden.

Are you looking for a free and transparent way to submit your scientific articles for peer review? Then look no further than Peer Community In (PCI). This platform, which is supported by Leiden University, is a good alternative to publication in traditional peer-reviewed journals.

Sky-high energy prices and a climate that keeps getting warmer: it’s clear that we have to turn down the heat. Sustainability Day on 10 October will mark the start of our five-month Energy Campaign and we’ll be making the switch. Sustainability Coordinators Aranka Virágh (Real Estate) and Marlies Nijemeisland…

From 1 November we will have a new mobility policy and will track our commuting with an app. The new regulation is more sustainable and will also save us time and effort, say the union reps from the Local Consultative Body.

The fifth Leiden Research Support Network Conference, on Monday 16 June, was about the future of research support. A great opportunity for the 100 support professionals present to join interactive workshops and to network with colleagues from other faculties and the LUMC.

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

Fifteen knowledge institutions and the Ministry of Education, Culture and Science have signed the covenant for Open Science NL. Leiden University has also joined the covenant, via the Universities of the Netherlands. This marks the start of the Dutch Research Council’s and brings the transition to open…

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.

What are the digital challenges facing us now and in the near future? This was the question discussed by over 250 ICT experts, functional application management staff and information managers during the Our Digital Future conference on 26 January. We asked some of them how they found the day and what…

Leiden University is joining the Una Europa European University. Together with other partner universities Leiden University will draw on their collective strengths to shape the future of Europe through innovative education, research and international exchange.

A professor from Leiden University, together with a former employee (who is also the professor’s partner), has been guilty of long-term unacceptable and often transgressive behaviour in the form of abuse of power and manipulation. This behaviour led to a culture of fear among staff who were largely…

The rules of play for researchers are becoming increasingly complex. This makes it essential that they receive the best possible support with challenges such as complicated grant procedures or strict privacy and ethics requirements. Leiden’s research support professionals have a network in which they…

People with relatively high levels of lipids in their blood are less likely to develop allergic conditions such as eczema and asthma. These lipids cause genes that play a key role in allergic reactions to be less active. Researchers from the Leiden University Medical Center (LUMC) have published an…

Seed funding to summer schools, research collaborations and joint degree programmes: in these ways and more, we’re creating impact as a partner in Una Europa, an alliance of 11 leading research universities. To wrap up the year, we asked six colleagues to reflect on what they’ve achieved through Una…

AI-related activities and programmes are springing up throughout the university. In research, for example, at SAILS, and for staff in workshops and co-creation labs. As an AI champion at the ISSC, Julian van der Kraats is involved in various AI developments.

Ijeoma Uchegbu is Professor of Pharmacy at University College London (UCL). As a female scientist of colour, she was initially reluctant to play an active role in the university’s diversity policy. Until, that is, she had a radical change of heart: ‘I knew it; I had to become an evangelist.'

You may know it by the umbrella term 'citizen science'. You may also use terms such as volunteer mapping, patient co-researcher, or even community engaged learning to describe participatory practices in your research or teaching. No matter what you call it, there’s plenty going on when it comes to this…

Leiden University will be conferring three honorary doctorates in its special anniversary year. They will be awarded to Eliot Higgins, truth finder and founder of Bellingcat, Bonnie Honig, expert in feminist theory and legal theory, and Kelly Chibale, professor of organic chemistry, who works on prevention…

From the effects of hormone fluctuations in women via the interior structure of giant planets to the prehistory of the languages: six Leiden researchers have been awarded a Consolidator Grant by the European Research Council.

A consortium including economists, psychologists and public administration scholars from Leiden University will study public acceptance of the hydrogen transition in the Netherlands. They will look at the labour market impact, public perceptions of hydrogen and businesses’ willingness to invest.

The interdisciplinary Kiem project ‘Violence as a Population Health Problem’ has resulted in a plan to apply for a large, yet-to-be-decided research grant. The so-called pressure cooker session at the heart of the project proved very effective.

Four promising young researchers from Leiden University have received a Rubicon grant from the Dutch Research Council (NWO). This grant will enable them to gain valuable research experience at top universities abroad.

Leiden University no longer wishes to collaborate with fossil fuel partners that are not demonstrably committed to achieving the Paris Agreement targets. Exceptions will be made only if a collaboration demonstrably contributes to the energy transition. This proposal by the Executive Board was discussed…

AI has applications in all kinds of fields. Would you like to organise an event on the possibilities of AI in your research field? The Leiden interdisciplinary research programme SAILS offers you experts on content, money and other support.

The Research Support Portal makes it easy for researchers and support staff to find information on research support at Leiden University.

Dutch municipalities are racing to digitalise, introducing virtual services, fraud-detection algorithms and more. The digital city may not always serve its residents. Professor Jiska Engelbert calls for civil servants who dare to push back.

The Executive Board of Leiden University has asked the University Council to advise on its proposed decision to reactivate the person counters/sensors in due course. The Council will now look at this carefully before the Board makes a final decision. The advice of the University’s participation body…

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?