Leiden researchers have found clues to why a rare pregnancy disorder is mild in some babies but life-threatening in others. Their discovery opens the door to a test that could identify severe cases during pregnancy. Fortunately, a treatment already exists.

Leiden University has set up two committees to consider issues that are the focus of much attention within our community and society at large. They are the Knowledge Security Committee and the Fossil Fuel Industry Collaboration Committee. Former dean Joanne van der Leun will chair both.

The perfect ship is light and sleek for speed, but also needs to be strong and stable for safe sailing. These and other conflicting requirements make it difficult, even with a supercomputer, to find the ideal design. Computer scientist Roy de Winter has developed an algorithm that helps strike the perfect…

As society becomes increasingly diverse, public organisations are being challenged to adapt their services to ensure that everyone feels heard and seen. 'Inclusive leadership is essential in this process,' says Dr Tanachia Ashikali. It calls for openness to different perspectives, active dialogue, and…

December marks the 15th anniversary of the Dual PhD Centre (DPC). Director Johannes Tromp and associate professor Mark Dechesne look back and ahead. Dechesne: ‘The DPC forms a 'community of knowledge' in which science and society are connected.’

The future does not yet exist, but many people think about it daily. The course Designing Your Future, part of the Honours Programme at the Faculty of Governance and Global Affairs and taught by Bram Hoonhout‘Being a mentor during HOP week is something I can recommend to everyone’

‘Silence in the corridor please’ are not the words you expect to hear on an open day attended by 5,000 students. From 12 studios in Leiden and The Hague, presentations are given during the Online Master’s Open Days telling students all about their future master’s programme.

MA International Relations: Culture and Politics student Annick van Rinsum created a play as a method to research her master’s thesis. “Through writing this play, I aim to contribute to our understanding of International Relations Theory. I’m specifically interested in the question how our theories…

Hunter-gatherers caused ecosystems to change 125,000 years ago. These are the findings of an interdisciplinary study by archaeologists from Leiden University in collaboration with other researchers. Neanderthals used fire to keep the landscape open and thus had a big impact on their local environment.…

In March 2021, Prof. dr. Jan Aart Scholte, Professor Global Transformations and Governance Challenges at Leiden University, co-edited with Dr. Blayne Haggart and Dr. Natasha Tusikov the volume Power and Authority in Internet Governance.

Your vote for the University and Faculty Council counts! The councils play an important role at the university. To vote click on the link in the right-hand column. Cast your vote by Friday 21 May, 16.00.

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

Are magnetic fields older than the first light? And how did they influence the development of our universe right after the Big Bang? Cosmologists from Leiden, Groningen, and Utrecht are now collaborating to investigate this.

How do games help shape our perception of the past? Associate Professor Angus Mol receives a Vidi grant to answer this question.

The "Proteha mi" project, an initiative by the Bonaire Archaeological Institute (BONAI), has been awarded significant grants under the Faro Initiative of the Cultural Heritage Agency of the Netherlands and Mondriaanfonds. Developed in collaboration with archaeologists Daudi Cijntje (Archol BV) and Maaike…

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

A research team from the Institute of Security and Global Affairs (ISGA) has received over 3 million euros in funding from the Knowledge Centre Surveillance and Protection, a partnership between the Dutch National Coordinator for Counterterrorism and Security, the Public Prosecution Office, the police,…

Leiden researchers from different disciplines look together at complex social problems. What happens when they join forces with artists? The results could be seen on Tuesday 11 June during a unique exhibition. Take a look for yourself:

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

When you think of political philosophy, you think of Immanuel Kant, Georg Hegel and Johann Fichte. Both philosophers are considered great representatives of German idealism. University lecturer in Continental Philosophy Marie Louise Krogh has received a Veni subsidy to delve deeper into the German idealists…

At the end of October the students of MA International Relations: European Union Studies once again made the journey to Brussels for three days of behind-the-scenes insights into EU politics and policy-making. From the intricacies of European defence cooperation to the future of digital trade, students…

For the first time, an international group of astronomers have seen the heat glow of two ice giant planets colliding. They could also observe the resultant dust cloud move in front of the parent star several years later. Led by Leiden astronomer Matthew Kenworthy, they monitored the star's brightness…

'Education has always been something I am very interested in,' says the passionate Michiel Hogerheijde. He was already chairman of the astronomy programme committee and has been teaching for many years. Since 1 October, he is also the new Programme Director of the astronomy bachelor. 'I really enjoy…

Spui Campus, Leiden University’s fourth location in The Hague, will soon open its doors. The former V&D department store’s transformation into a university campus is becoming more visible by the week. Removal vans will soon be driving back and forth to move all the furniture there in time. The first…

Since January 2026, Alex Geurds has been the new Dean of the Faculty of Archaeology. His start was calmer than many expected, but behind that calm lies a period of exploration, listening, and strategic forward thinking.

From spiders in the bathroom to mice in the kitchen, we share our homes with far more species than we realise (whether we like it or not). Researchers at Leiden University and the University of Helsinki are collecting stories about how people live alongside these non-human housemates.

Historical geographer Marcel IJsselstijn developed a new approach that improves our understanding of how medieval cities were planned. He hopes it will help archaeologists, urban planners and designers address contemporary challenges.

From toy cats that purr to robot dogs that bark: what do such technologies mean for older people, healthcare providers and family members? A Dutch Research Council (NWO) Veni grant is enabling anthropologist Tanja Ahlin to investigate how animal-shaped robots can contribute to care for older people…

Male scientists owe their position to their brilliance, women to their hard work. Or do they? The Equalista app helps staff and students at the Faculty of Humanities to become aware of gender equality.

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

Education, Research

ASTRON en de Universiteit Leiden beginnen samen een nieuwe leerstoel over sterrenkunde en AI. Bijzonder hoogleraar Joeri van Leeuwen gaat deze positie vullen.

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…

Researchers from Leiden and Indonesia work together on a range of projects on topics such as disappearing languages and cultures, the role of Islam, circular economy, biodiversity and medicine. They also work on projects to improve legal education and make Dutch sources and Indonesian heritage accessible…

Education, Research

Stefaan Van den Bogaert, Vice Dean of Leiden Law School was delighted to announce on 29 March 2023 that the faculty has awarded research funding to all applicants for starter grants.

Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.

On Thursday May 11, medical anthropologists from Leiden University organized a festive opening of their new network, the Leiden University Medical Anthropology Network (LUMAN). In August 2022, these Leiden-based scholars started gathering and organizing this new network with two main goals, namely to…

The many thousands of small celestial bodies beyond Neptune’s orbit may have ended up there due to a star that passed close to the solar system billions of years ago. This is shown by Leiden simulation expert Simon Portegies Zwart, along with his German and Dutch colleagues. ‘We are answering several…

The university has been shaping the city of Leiden for 450 years. A brief history of the university buildings that have helped define the city.

The Executive Board has appointed Judi Mesman as third Leiden University professor.

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.

Following the success of the Dutch version, the podcast 'Scandal and Controversy in Russian Literature' is now also available in English. Senior University Lecturer Otto Boele guides listeners through eight infamous texts in this version.

Eva Lammers is currently studying for a master's degree in labour law at Leiden University and expects to graduate in autumn 2023. Lammers did her internship at law firm JPR in Deventer and was thrown in at the deep end from the start. 'Assignments aren’t arranged for you, you've got to arrange them…

Suzan Verberne has been appointed professor of Natural Language Processing at the Leiden Institute of Advanced Computer Science (LIACS) from 1 October. Verberne has been at LIACS since 2017 as group leader of the Text Mining and Retrieval group.

This September, Adina Akbik received the Political Science Teaching Award at Leiden University. Created by student members of the Bachelor's and Master's Programme Committees (OLC), the award recognises remarkable teaching at the Institute. Akbik was chosen from five finalists after receiving several…

Je onderdompelen in de wereld van de lobby. Dat kan op donderdag 10 november tijdens de Nacht van de Lobbyist, een publiek event dat de Universiteit Leiden en de Public Affairs Academie voor de 2de keer organiseren. Vijf vragen aan initiatiefnemer Bert Fraussen, universitair docent bij het Instituut…

Organisation