Leiden biologist Suzanne Lommen and an international team of scientists have investigated how a beetle can reduce hay fever in Europe. Locally, the beetle is even able to stop pollen production in a plant that causes allergic reactions. Publication in Nature Communications on April 21.

The logo of Leiden University, with letters as small as a bacterium. Researchers from LUMC and the Institute of Biology have created the smallest logo of our university ever produced. It is a piece of fun with a serious real-world application: the new microscope with which the logo was made allows scientists…

The NWIB Visiting Professors Programme offers assistant professors, associate professors and full professors at participating universities a unique opportunity to work undisturbed in an inspiring and stimulating environment. This programme enables you to stay at one of the five Netherlands Scientific…

This year marks the 25th anniversary of the founding of the Faculty of Archaeology which naturally leads to questions about its past. Part of the answer might be hidden in the archival photo negatives that paint a lively portrait of archaeological research taking place more than half a century ago.

A far-reaching understanding of human behaviour is necessary to get to grips with conflicts in society and to encourage parties to meet each other halfway. Psychologists, anthropologists and political scientists from Leiden are making invaluable contributions to that understanding. You can find out…

The Upper and Lower Houses of the Dutch Parliament are struggling with how tolerance should best be interpreted. As a result, the freedom in the Netherlands for people who hold alternative views is diminishing. This is Floris Mansvelt Beck’s conclusion on the basis of his PhD research. Defence on 2…

Two new English-taught Bachelor’s programmes ‘Arts, Media & Society’ and ‘Philosophy’ were presented at the Open Day on 15 October. They start next year. Prospective students tell us why they came to the Open Day.

Book on Dutch mayors governing local order and public safety.

Despite being prohibited by law since 1971, race discrimination continues to exist in the Netherlands. Why is this?

The 14 universities, brought together in the Association of Universities in the Netherlands (VSNU), have expressed their support for the open letter on the climate that has already been signed by almost 1,300 staff members. The letter calls on the universities to pursue an ambitious climate agenda of…

At a symposium on 26 May, experts, staff and students from Leiden University will discuss what should happen with Rein Dool’s painting in the Academy Building and what the guidelines for the University’s exhibition policy should be. These issues will be explored from diverse perspectives during the…

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

Ecologist Rosaleen March from the Institute of Environmental Sciences (CML) will carry on her research on functional biodiversity: a measure to assign value to ecosystems. Following her previous Marie Curie co-fund, she now receives a full Marie Curie fellowship. March: ‘We need to know how losing biodiversity…

Leiden University and the Municipality of Leiden will develop new plans for an alternative Humanities Campus in the city centre. This means they will not proceed with the compulsory purchase of the De Doelen housing complex to facilitate the construction of the new Humanities Campus. The plans to demolish…

For many new international students, moving to the Netherlands and getting used to Dutch culture and customs can be quite challenging. Luckily the Humanities Buddy Programme is here to help! The new coordinator of the programme, Bob van der Horst, will introduce himself and explain more about the buddy…

It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…

On 22 May, the Dutch House of Representatives invited one hundred citizens to pose critical questions regarding the Ministries’ annual reports. This followed on from the annual ‘Accountability Day’. Caspar van den Berg, Associate Professor of Public Administration, helped think about how citizens could…

Leiden-Delft-Erasmus is introducing three new minors this year: Space Missions, (Re)imagining Port Cities: Understanding Space, and Living Education Lab. Marja Verstelle, Project Manager for Teaching at Leiden-Delft-Erasmus, talks about the importance of multidisciplinary collaboration for the new generation…

Team leaders and other immediate supervisors play an important role in facilitating inclusiveness within public organisations. This is the finding of research by public administration expert Tanachia Ashikali. PhD defence 20 November.

Connecting generations, reducing loneliness and slowing mental decline: these are goals of the Oud Geleerd Jong Gedaan foundation’s lectures, which are given by students. What is it like to be a student giving these lectures? And what do the seniors think of them?

Every year, an outstanding lecturer receives the Faculty Teaching Prize. Lecturers are nominated by students and a jury decides who receives the prize. The prize is awarded during the official opening of the academic year on 2 September. This year, students nominated four candidates.

Ineke Bussemaker studied Maths at Leiden University and now works as a banker in Tanzania. In an interview in alumni magazine Leidraad she brings those two worlds together and looks back on her time in Leiden.

As of 1 May 2025, Professor Kartica van der Zon has been appointed professor by special appointment of Family Law, Law of Persons and Juvenile Law at the Faculty of Law of the University of Groningen.

Arjen Doelman (Leiden University), Max Rietkerk (Utrecht University), Ehud Meron (Ben-Gurion University of the Negev) and Isla Myers-Smith (University of Edinburgh) received an ERC Synergy grant of 10 million euros with their RESILIENCE project. The researchers will investigate whether and how tipping…

Professor of Social and Organisational Psychology Carsten de Dreu has been awarded an Advanced Grant by the European Research Council. This subsidy of 2.5 million euros will allow De Dreu to carry out research on the causes of conflicts between groups at both macro- and micro-level.

Tell Balata Archaeological Park project On January 15th the cooperation project of the Faculty of Archaeology with the Palestinian Ministry of Tourism and Antiquities (Department of Antiquities and Cultural Heritage) and the Ramallah office of UNESCO was officially closed. At the same time the Archaeological…

The Hague Journal of Diplomacy marks its 15th anniversary in 2020 with an award for the best article in the journal. The HJD Article Award is a biennial prize, like the Book Award that the ISGA-based journal will launch in 2021.

Leiden criminologists have co-developed an artificial intelligence technology that tracks firearms incidents by scanning over 350 news sources.

The National Chamber of Student Associations (LKvV) launched a coronavirus campaign today: ‘That’s why.’ The campaign was launched together with Ingrid van Engelshoven, Minister of Education. The aim of this national campaign is to get students to follow the coronavirus rules. The virus is still spreading…

Dark matter represents around eighty per cent of the total mass in the Universe. Yet, we still don't really know what it's made of. Astronomer Pavel Mancera Piña is looking for answers. With a Veni grant from NWO and the most advanced telescopes, such as the James Webb Space Telescope, he will investigate…

Agressief gedrag van gedetineerden is sterk te verlagen met een aantal aanpassingen in het dagelijkse regime in penitentiaire inrichtingen. Dit blijkt uit de evaluatie van een experiment met een alternatief detentieregime, uitgevoerd door Tilburg University en de Universiteit Leiden.

Adina Akbik has been appointed as a new member of the Young Academy Leiden (YAL) as of 1 September 2024. Akbik is Senior Assistant Professor of European Politics at Leiden University. YAL serves as a platform for early career academics, and Akbik is keen to promote the needs and interests of young researchers…

Monday 25 May saw the visit to Leiden of President Michelle Bachelet of Chile, accompanied by Queen Beatrix and Princess Máxima. Following a talk in the Academy Building on strengthening democracy in Latin America, the President signed a number of Memoranda of Understanding (MoUs).

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Offshore wind farms host more soil animals per square meter than the North Sea floor, discovered Leiden researchers. After 25 years, hundred times more animals and a doubling of the number of different species could live on the foundations of wind turbines. The researchers published their findings in…

Archaeologist Maikel Kuijpers participated in the development of the boardgame Epoch: Early Inventors. “This game is inspired by the major innovation that happened in prehistoric times. A topic that has my interest and that I teach here in Leiden.

Dutch politics has long been a paragon of stability. Think, for example, of our party system until, say, the last decade. At the same time, we also see occasional changes and significant shifts. Society has changed and this is reflected in, among other things, how we vote and how policy is made. About…

The Fritz Zwicky Prize 2022 for Astrophysics & Cosmology has been awarded to Prof. Ewine F. van Dishoeck for her pioneering, decades-long work in astrochemistry and molecular spectroscopy, as well as for her leadership within the astronomical community. The award was announced today by the European…

Kim Jong Il, leader of North Korea, is dead. His youngest son Kim Jong Eun is expected to be his successor. Remco Breuker, Leiden Professor of Korea Studies, gives a profile of the new leader.

On 7 December, Meghan Ingram won the Jaap Doek Children’s Rights Thesis Award 2021 for her thesis on the rights of children of foreign terrorist fighters held in Syria. The prize for the best master’s thesis in the field of children’s rights is awarded every year by Defence for Children and the Department…

For many years, he was active in various management positions at the LION and even after his retirement he is still very involved. Professor Jan Aarts leads the Leiden hub of the Quantum Delta NL growth fund and is now temporarily responsible for national educational activities. In this way, he is helping…

Mirjam de Baar has been Vice-Dean of the Faculty of Humanities and portfolio holder for education of master’s and research master’s programmes since 2016. As a result of her reappointment, she will continue to fulfil this role for an additional four years. ‘Being asked by the Vice-Rector and the Dean…

Dutch retailer Blokker has gone bust. But a restart could be possible depending on the trustee. Research conducted by Jessie Pool and her colleagues has shown that one third of all bankruptcy trustees would prioritise saving the high street.

A consortium of research groups, including that of LACDR professor Erik Danen, will use an NWO Perspective grant of nearly five million euros to build a universal standard for organ-on-chip models. They aim to stimulate the application of these chips in the biomedical and pharmaceutical industry. Danen…

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.

By looking at what is different, researchers often discover the special, the unusual. And that has already brought a wealth of highlights – also in Leiden.

From sleep problems to suicide attempts: the consequences of bullying can be very serious. The National Day against Bullying (in the Netherlands 19 April) is the opportunity for Leiden psychologist Mitch van Geel to share some recent insights from his research.

The European Research Commission (ERC) has awarded Advanced Grants to two Leiden researchers. Joke Meijer will be researching the effect of the biological clock on our health and Carlo Beenakker will be looking for Majorana fermions in superconductors.

On January 14th the executive Master’s programme Cyber Security started for the second time at the HSD Campus