Research

The Health Council of the Netherlands has published an advisory report entitled ‘Ethische en juridische overwegingen Covid-19’ (Covid-19: ethical and legal considerations). According to the Council, businesses and organisations may request a vaccination certificate, but can only do so under strict c…

The Executive Board is delighted to announce that Joanne van der Leun took up the position of the university’s Academic Lead International Affairs as of 1 January 2025.

Dr Gianclaudio Malgieri, Associate Professor of Law at eLaw, will receive the AI Policy Leaders Academia Award from CAIDP Europe (Center for AI and Digital Policy Europe) alongside Professor Alessandro Mantelero from the Politecnico di Torino. The award is 'for their collective call on EU policymakers…

Carlotta Rigotti, postdoctoral researcher at eLaw – Center for Law and Digital Technologies, and Professor Clare McGlynn of Durham University have co-authored a new article in the Netherlands Quarterly of Human Rights, titled 'Online and technology-facilitated violence against women: The EDVAW platform's…

Alexander van Drooge recently joined us as Service Manager at the Kamerlingh Onnes Building. Let’s get to know him!

The MSc Life Science & Technology receives a bronze medal in EW Best Studies 2023. Every year, Elsevier selects the top programmes in higher education. A medal means that students are above-average satisfied with the quality of their programme.

Jasmijn Rana has been awarded a Marie Skłodowska Curie Global Fellowship for her research project “The Embodiment of Racialization: Running Muslim Women and the Sense of Non-Belonging”.

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.

On April 12th three students majoring in Earth, Energy, and Sustainability (EES) from Leiden University College participated in the annual conference of the Netherlands Center for River Studies.

On 28 June, a group of 35 students (13 from Leiden) visited the law faculty as part of the Space Summer School, a 5-day course organised by the LDE Centre 'Space for Science and Society' and NL Space Campus.

Researchers from Leiden University, McMaster University and Public Health Ontario are calling on colleagues to track down archival specimens of mosquitoes from museums and other collections and to examine them with modern methods. This will tell them more about malaria transmission.

LUC students research the Geul river’s restoration, combining sediment studies, biodiversity assessments, and policy insights for global environmental challenges

How do you compare the living environment of Dutch dairy cows with that of Masai cattle in East Africa? And how can we reverse biodiversity loss? These questions are central to CurveBend, an international research consortium in which ecologist Michiel Veldhuis plays a key role.

Through various initiatives, Leiden University is trying to make people aware of the importance of biodiversity: the cultivation of a wide variety of micro-organisms, animals and plant species. This is important because in the Netherlands biodiversity has declined from about 40 percent in 1900 to about…

After an extensive content analysis of the coalition agreement, a sharp fall can be seen in the focus on education & culture, science & technology and defence. This is the conclusion of university public administration professors Gerard Breeman and Arco Timmermans. They compared the content with all…

Isaac McKean Scarborough has been working at the Institute for History as a lecturer since September 2021. Below he introduces himself!

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.’

Roel Wouters (24), a biology student at Leiden University, is a finalist in the election for UN youth delegate for Biodiversity and Food. The digital polls open for a week on Friday 22 October. Under-30s can vote for Roel at www.stemroel.nl.

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Micro- and nanoplastics cause stress to crops such as lettuce and carrots, PhD candidate Laura Julia Zantis found. This can lead to reduced growth and a lower nutritional value. Biodegradable plastics have this effect too, likely because of chemicals they release during degradation.

By Royal Decree, Mirjam Sombroek van Doorm was appointed as a member of the Health Council of the Netherlands as of 1 January 2024. She has joined the standing committee for Ethics and Law as well as the temporary Brain Injury through Sports Committee. The Health Council of the Netherlands is an independent…

The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.

From a new generation of antibiotics and more-effective vaccines to a map of dark matter and new light on Hindu traditions. Four researchers from Leiden University have received a prestigious €2.5m ERC Advanced Grant to develop their research.

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

PhD student and research journalist Sebastiaan Grosscurt won a Tegel in May. In the data category, Grosscurt and his colleagues won the prestigious Dutch journalism award. 'For me, ecological research and journalism are two ways of achieving the same thing.'

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

Violent conflicts and civil wars in Chad impede most rural households' access to food security, agricultural activities and access to essential services such as health care. In her dissertation, Nakar Djindil Syntyche denounces this issue. She obtained her PhD on 24 November.

On August 30, the online platform Historical Maps of Southeast Asia was launched. The platform provides access to over 1,400 digitised maps of Southeast Asia from the collections of the National Library Board Singapore (307 maps), Beinecke Rare Book and Manuscript Library - Yale University (150 maps),…

Speaking for the Executive Board, Timo Kos reflects on the university’s security policy and what lies ahead. ‘We want to keep our buildings open, but we also need to be able to guarantee the safety of everyone there. It’s a real balancing act.’

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

Europe’s security suddenly looks uncertain now President Trump has started negotiations with Putin. What does this mean for the Netherlands? What do we need to do?

Within a single generation, the digital world has changed completely: from a technical niche for ‘nerds’ to a reality that affects everyone. Cyberattacks, data breaches and system failures can disrupt essential social processes. How can we ensure that our society remains digitally resilient?

The university may seem a bit subdued in the run-up to the Dutch elections on 29 October. The media has barely mentioned education as an election issue, but behind the scenes the university is lobbying hard, says acting President of the Executive Board, Timo Kos. ‘We’re fighting for the future of our…

The Faculty of Humanities wants to take a stand in the middle of society with its research and education. That’s why last year, in the middle of a pandemic, the Societal Advisory Board was founded. What are the members’ plans?

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'

Pita Limjaroenrat (45) was set to become Thailand’s next prime minister, but in 2024 the Thai Constitutional Court dissolved his progressive Move Forward Party and banned him from politics. He now reflects publicly on the policy values that brought the party to prominence.

Leiden University College (LUC) is proud to announce that it have been awarded the Special Feature Sustainable Higher Education by the Accreditation Organisation of the Netherlands and Flanders (NVAO). This recognition affirms the deep commitment to embedding sustainability across the curriculum, research,…

The European Commission sees increased labour migration as a solution to the growing personnel shortages, but the Dutch Labour Inspectorate argues that this is not a tenable business model. Professor of Economics Olaf van Vliet discusses the advantages and disadvantages of labour migration for the economy…

Under #TheCode European media report about Martijn Nouwens’s research on the secretive EU Code of Conduct Group which is tasked with tackling harmful tax competition in Europe. The stories expose to the wider public for the first time how this diplomatic high-level working group of EU Member States…

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…

This month, it came out that a subdistrict court judge used ChatGPT to formulate a ruling. The judge included some text generated by the popular AI chatbot in his decision. This resulted in a lot of media commotion, raising doubts as to whether using ChatGPT in court is permissible and responsible.

The Security Studies bachelor's programme has received a bronze medal in EW Best Studies 2023. Every year, EW Best Studies selects the top programmes in Dutch higher education.

Carlotta Rigotti, postdoctoral researcher at eLaw, has just published her new monograph, The Regulation of Sex Robots: Gender and Sexuality in the Era of Artificial Intelligence.

On November 30, 2023, the research group Institutions for Conflict Resolution (COI) organized a stakeholder meeting on governmental problem-solving and its implications for legitimacy. COI is a joint collaboration between the Universities of Leiden, Utrecht, and Nijmegen as part of the Dutch Sector…

Human resources

In het jaar voor overlijden door zelfdoding zag een groot deel van de mensen een zorgprofessional. Het optreden van zorgprofessionals is van cruciaal belang om het aantal zelfdodingen in Nederland te verminderen. Daartoe moet de kwaliteit van zorg beter, in het bijzonder voor jongeren, jongvolwassenen…

The importance of digitalization has become even more evident during the Corona crisis. Society and the Dutch economy are therefore rapidly digitizing. This calls for a good balance between seizing opportunities and reducing risks.