Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

Two bacterial species team up inside the plant root system to rescue their host from fungal infection. This was discovered by a team of microbiologists and bioinformaticians from the Netherlands Institute of Ecology, Wageningen University, and the Institute of Biology Leiden. They also identified the…

The Hague Global Futures Hub was officially launched at the Wijnhaven building on Campus The Hague on 10 June. This collaboration between Leiden University and the University of Edinburgh represents a significant step forward in addressing global challenges.

The first of April was the official start of Phase II of the collaborative “PCAD4Cod”-project on the effect of sound on fish populations. Hans Slabbekoorn, associate professor at the IBL, is the principal investigator and collaborates with three PhD-students, Dr. Erwin Winter, (Wageningen Marine Research),…

Hermelijn Smits is Professor of Host-commensal Interactions and Immune Modulation. In this role she is increasing our current understanding of the way in which microbes and parasites shape our immune system to protect us from respiratory infections and chronic inflammatory diseases. In her inaugural…

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

Your local city park may be improving your health, according to a new paper led by Leiden environmental scientist Roy Remme. In Proceedings of the National Academy of Sciences Remme and his colleagues describe how access to nature increases people’s physical activity—and therefore overall health—in…

Every year diplomatic representatives of Latin American countries, researchers and students come together during a conference of the GRULAC region group. This year different researchers talked about their work during a visit to the Faculty of Governance and Global Affairs in The Hague.

During last summer, the Faculty of Law offered an Honours Class about the theme 'Governing Crime and Migration'. Hillary Mellinger, one of the participating international students, tells us about her experiences.

Junk news sites with unknown names such as Trendnieuws and Viraal Vandaag reach millions of Dutch people thanks to their Facebook pages. Messages from those pages are much more often shared and liked than messages from pages from well-known news media such as De Telegraaf, NOS and NU.nl. This is shown…

Three Leiden professors have recently been awarded the most prestigious scientific accolade in the Netherlands: Maria Yazdanbakhsh and Marc Koper have been awarded a Spinoza Prize and Judi Mesman a Stevin Prize. They received their prizes on 13 October.

The Lorentz Center is a melting pot that is visited by researchers from around the world. ‘Miracles happen’ during the five-day interactive workshops at the Center. And there is an extra reason to celebrate the center’s 25th anniversary. On 28 April, the Dutch Research Council (NWO) and Leiden University…

Restoring a natural plant environment on exhausted agricultural lands and in nature areas is difficult. We can speed this up by steering the soils towards the desired situation. This is what Martijn Bezemer, newly appointed Professor of Ecology of Plant-Microbe-Insect interactions at Leiden University’s…

A partnership with the Leiden Leadership Programme: what does it bring you? Two partner organisations in the field of sustainability, Arcadis and Bioto, share their experiences: “It's great to be surprised by new insights.”

Donald Trump’s approach to diplomacy represents an explicit and intensified form of leader-centric and procedurally disruptive diplomatic practice. 𝐇𝐨𝐰 𝐝𝐨 𝐓𝐫𝐮𝐦𝐩’𝐬 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥 𝐰𝐨𝐫𝐥𝐝𝐯𝐢𝐞𝐰 𝐚𝐧𝐝 𝐝𝐢𝐩𝐥𝐨𝐦𝐚𝐭𝐢𝐜 𝐬𝐭𝐲𝐥𝐞 𝐫𝐞𝐬𝐡𝐚𝐩𝐞 𝐝𝐢𝐩𝐥𝐨𝐦𝐚𝐭𝐢𝐜 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐞𝐬,…

Even when a border has officially disappeared, it is still people who decide whether others may cross freely. This was also true for the Polish-German border, where PhD candidate Maryla Klajn spend six months conducting fieldwork.

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: the liberating effect of pass/fail and ‘unessays’ at Honours College Law.

The life and career of art historian and Leiden alumna Gerdien Verschoor (1963) followed quite a remarkable path before she was appointed director of Camp Westerbork Memorial Centre in 2019. A woman with a deep awareness of historical places, she sees it as more of a series of coincidences, but the…

Physicist Diego Garlaschelli co-authored an extensive review in the journal Nature Reviews Physics. Surprisingly, the subject wasn't physics at all, but the networks of banks and other financial institutions, and the way their structure relates to financial crises.

Festival

At almost midway through, the “Stoeplanten” (Pavement Plants) citizen science project has been very successful. This research was initiated by Nienke Beets, who while working for the Science Communication and Society research group and Hortus Botanicus, gave her contribution to the Stoeplanten proje…

The Advanced Nano-electrochemistry Institute Of the Netherlands (ANION) consortium will receive 23.6m euros in Gravitation funding for research on important electrochemical processes for energy transition. An additional four consortia with members from Leiden have also been awarded funding.

The Dies Natalis for alumni on 11 February was an online event. Almost 1,000 alumni tuned in to Bastiaan Rijpkema’s interview with Annetje Ottow, who had then been President of Leiden University’s Executive Board for all of three days. Alumni are part of her portfolio on the Executive Board.

One day you feel inspired by a field trip, the next you are a speaker at TEDxLeidenUniversity. It happened to International Relations student Alexia. How did she end up on stage – and why did she want to? Alexia shares her story with us. ‘I was given hope, and I wanted to share it with others.’

Computer scientist Bas van Stein conducted research at Tata Steel and BMW on how their production processes could be streamlined and optimised on the basis of data. As part of his research he developed some innovative products. PhD defence 20 September.

Below is a chronological list of the most recent to oldest publication from the MultiGreen project.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

Having a bachelor, master and Ph.D in chemistry, Elena Sánchez López shifted to a more biological research for her postdoc. All of her studies she did at the University of Alcala, in Spain. Way back in medieval times, this city was the place of birth of Miguel de Cervantes, author of the world famous…

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

At the project closure on February 29, 2024.

Elisabeth Heijmans originally comes from French-speaking Belgium – ‘close and far at the same time’. She came to Leiden University for her Ph.D. in 2013, and consequently managed to get a postdoc position. In this role, she is part of a team of Ph.D. students, postdocs and supervisors, looking at historical…

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…

Can David Bowie’s death be seen as a carefully staged hype, just one last version of the musician’s ever-surprising public persona? Cultural Studies researchers Gerlov van Engelenhoven and Bram Ieven look into it.

In this Inspirationlab, Prof. Simone Buitendijk and Prof. Edwin Bakker share their visions on the future of open education. How does open education influence Leiden University's strategy? And what can we say about its relevance and impact? Registrations for The Future of Open Education are now open!

Health conditions and social problems often go hand in hand. To address this complex issue in families in The Hague, researchers, managers, support services, policymakers and residents are joining forces. What are the results of this transdisciplinary approach?

While the U.S. reconsiders its global commitments, Japan remains a stable partner, having cultivated the roots of its bilateral partnerships in the Indo-Pacific region and expanded its commitment to global health.

Each month we will be spotlighting material we have been reading, or that have been recommended to us that relate to AI and a particular theme.

How do societies move forward with sustainable, effective and efficient management of Earth's water resources?

With the University Council elections approaching, the Leiden University Green Office (LUGO), with the support of LU's Central Sustainability Team and the D&I Office, contacted all seven candidate parties to inform our community about their views on sustainability and diversity. We asked each party…

The conference Storie del possibile took place in the Ex- lavanderia of Santa Maria della Pietà in the neighbourhood Monte Mario in Rome, on April 21-22 2018. Maria Vasile, PhD candidate of the "Food Citizens?" project, attended the conference and shares her experiences.

Conference

PhD defence

Alumni event, Cleveringa meeting Leiden 2025

Webinar with Q&A

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this edition…

Disinformation has become a popular subject of study and debate. A plethora of publications and policies have emerged, aiming to analyse and curb the negative consequences of unwanted communication.