When oil is harvested from the seeds of the oil palm tree, the fruit residue can be used to make bio-ethanol. However, it can also be used as a fertilizer on palm tree plantations; which option is best for the environment? Edi Wiloso compared the two green options at the Institute of Environmental Sciences…

Ilze Bot and Johan Kuiper have published in The Lancet: Study unveils how stress may increase risk of heart disease and stroke. Aso: The National Dutch newspaper 'NRC' has mentioned them in a column

Winners of Children's Rights Moot Court 2023

The Surinamese-Dutch language, Parbo Beer and, of course, football. The ‘Dear Aunt Olga’ (‘Lieve tante Olga’) exhibition focuses on the shared Surinamese-Dutch culture. Full of cheer and with life experience to spare, ‘icon’ Aunt Olga (95) leads visitors through a shared history and does not shy away…

How does the soil we grow our vegetables in, affects the health of our gut? And does a healthy soil gives crops a better quality and taste? These are some of the questions Soil ecologist Emilia Hannula and a big consortium will work on. With an NWO-KIC grant of 1.8 million, CML, IBL, FGGA, the LUMC,…

The University of St Andrews and Leiden University, with the support of a network grant from the Royal Society of Edinburgh, will be hosting a workshop series in 2022 about Ocean Governance. Academics, policy makers, and practitioners are invited to contribute via working papers. Deadline abstract:…

Wat betekent het om alumni te zijn aan de Faculteit der Rechtsgeleerdheid? Naast een maandelijks blad en een groot netwerk organiseert de faculteit ook jaarlijks het alumni-evenement ‘Leiden Revisited’. Wie zijn deze alumni en waarom blijven zij graag actief?

How do you achieve the structural change needed for a more inclusive university community? What challenges do female staff face in their careers and what does it take to be a woman in a leadership role? This is what over 40 female staff members from the university discussed on International Women’s…

Are you working at Leiden University and researching migration regimes outside of the Global North? Are you interested in doing fieldwork or a research visit at one of our partner universities? Then you might want to join the Leiden team of the EU funded Marie Curie Staff Exchange Network on non western…

Hester Bijl, the Rector Magnificus of Leiden University, was handed a ‘shockingly long list’ of names of missing Iranians in her office at the Administration and Central Services department on 13 December 2022.

On 13 January 2020, the Association for Computing Machinery (ACM) has named 95 members ACM Fellows who have demonstrated excellence across many disciplines of computing. Among the new ACM Fellows is Professor Holger Hoos of the Leiden Institute of Advanced Computer Science, who was specifically selected…

By chance, computer scientist Hans-Dieter Hiep (Leiden Institute of Advanced Computer Science and Centrum Wiskunde & Informatica) discovered a ‘gaping hole’ in a widely used method for evaluating software security. Hiep patched the hole, causing quite a stir in his field. 'It’s not pleasant when a PhD…

De minister van BZK heeft op 17 oktober het onderzoeksrapport ”Openbaarmaking van overheidsinformatie. Een rechtsvergelijkend onderzoek naar wetgeving in Zweden, het Verenigd Koninkrijk, Duitsland, Frankrijk, Slovenië en Estland” aangeboden aan de Tweede en Eerste Kamer. Het rapport is geschreven door…

Conducting research for the municipality: this is a deliberate choice for the master’s students who are taking part in the Resilient Cities Hub, part of Learning with the City. Nina Ruig and Marron Loods are two such students. They are researching sustainability issues for the Municipality of Leiden…

The annual New Year Lecture for Honours College Law took place on Friday 17 January. This year’s speaker was Barbara Zwirs, author and former assistant professor in criminology at Leiden Law School. Her lecture got 2025 off to an inspiring start.

In a time of growing polarisation and declining trust, the rule of law is under pressure. The system as we know it today only took shape 177 years ago, with the constitutional reform of 1848. Carla Hoetink emphasises: ‘The democratic rule of law was originally designed to prevent violence and revolu…

On 28 and 29 April 2022 the conference ''Book Diplomacy’ in the Cultural Cold War: Interdisciplinary Perspectives' takes place at Leiden University. The keynote speaker during the conference is Professor Greg Barnhisel (Duqusense University). The conference aims to bring together a diverse group of…

How can society let go of its obsession with economic growth and focus on goals as wellbeing, inclusion and sustainability? This is one of the core questions which a new 3 million euro European project will tackle the upcoming four years. Leiden University researcher Rutger Hoekstra is project coordinator…

Are you working at Leiden University and researching migration regimes outside of the Global North? Are you interested in doing fieldwork or a research visit at one of our partner universities? Then you might want to join the Leiden team of the EU-funded Marie Curie Staff Exchange Network on non-western…

A large delegation composed of 11 delegates from institutes from the Faculty of Science has made an extensive visit to China and enhanced Leiden’s influence in the Chinese academia, industry and local government.

If you want to talk about inclusion, you have to bring up the subject of race. This is what Kamna Patel said at Leiden University’s annual Diversity Symposium on 22 January. She is Vice-Dean for Equality, Diversity and Inclusion at University College London. We spoke to her beforehand.

‘We hope our paper highlights the possibilities and benefits of including artificial intelligence in quantum physics to do new discoveries.’ Vedran Dunjko of the Leiden Institute of Advanced Computer Science contributed to a paper that was published in PNAS last year and now received a Cozzarelli Prize…

Opting more often for mocktails or soft drinks rather than beer or wine, talking to others about their drinking and pointing out the ban on drugs. Leiden University’s new covenant on alcohol and drugs for study associations encourages providing more alcohol-free alternatives.

This is a call for papers for the upcoming tenth issue of the Journal of the Lucas Graduate Conference (JLGC), intended to be published by the end of this year.

Psychologist Ellen de Bruijn studies the effects of hormonal fluctuations on behaviour and on the brain over a woman's life course. With an ERC Consolidator grant, she and 3 PhDs and a postdoc will further her EEG research on the different stages at which girls and women experience strong hormonal f…

One of ECSL’s most successful activities is the ECSL Summer Course on Space Law and Policy, which is open to students of all levels of study, as well as a few young professionals already working in the space or space-related sectors. The course is now in its 28th year and boasts a large family of alumni…

Andreas Häuselmann and Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies wrote an article on the legal and regulatory aspects of emotion data and presented it to the Affective Computing + Intelligent Interaction (ACII ‘23) Conference held at MIT. Andreas Häuselmann also hosted…

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

This year, an NWO PhD in the Humanities grant went to Mink van IJzendoorn, enabling him to investigate the disappearance of amphorae. ‘We take means of packaging and shipment for granted, but they are deeply ingrained in our daily lives; they are crucial.’

The behaviour of strongly correlated electron systems, such as high-temperature superconductors, defies explanation in the language of ordinary quantum theory. A seemingly unrelated area of physics, string theory, might give physicists a better understanding of the weird behaviour of these kinds of…

NWO-funded audiovisual research into the experiences of migrants during major life events has culminated in new insights that can further our understanding of complex migration dynamics. The completion of this five-year project was marked with a roundtable event including international guests.

The province of Zuid-Holland faces a wide range of global sustainability issues caused by urbanisation, intensive horticulture and industry. The universities of Leiden, Delft and Rotterdam have the in-house expertise to define knowledge questions, set up research programmes and test results, says Prof.…

There is a link in adolescents between brain connections and impulsiveness. Leiden researchers have discovered that these connections also predict which adolescents will make more impulsive choices two years further on.

Rachel Schats has been a familiar face at the Faculty of Archaeology since she started her bachelor’s in Archaeology in 2005. Now she is an assistant professor, working on her Veni project on malaria in the Middle Ages. ‘I have included in this project so many skeletal collections that no one has ever…

Researchers from the Institute for Science in Society (Radboud University Nijmegen) and CWTS (Leiden University) organized a workshop on the use of IT Tools in academic publishing on 5-6 June 2018.

Besides the project Conference and Winter School, the Food Citizens? research has profiled in numerous societal and interdisciplinary venues, online and offline, over the last year. Here is a brief summary with linked online resources.

Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This increases tenfold the number of known “runaway stars” in this region. The team of astronomers,…

In his PhD research in the field of public administration, Mark Reijnders looked at why people do not receive the help they need. They lose their way in the labyrinthine support system or become bogged down in bureaucracy. In public administration this is known as non-take-up of social care. PhD defence…

The new VIS grant has been awarded to four projects from the Faculty of Humanities. In a Virtual International Cooperation Project (VIS), Dutch and foreign students work together remotely on a project that links local issues to an international perspective.

Scientists in Leiden are looking for signals in blood samples to predict whether patients will develop serious COVID-19 symptoms or not. Based on that knowledge, they will be able to propose targeted therapies to prevent serious symptoms. They hope to come up with the first results within the week.

They might not have had Twitter, but they did have brochures (pamphlets), the Roman Catholics and ‘modern’ Protestants between 1840 and 1870. In these, they launched a passionate attack on each other’s ideas. Ineke Smit has catalogued the brochures from the collection of the University Library and outlined…

In her book Rap 73, Dorrit van Dalen shares intimate anecdotes and what for many are previously unknown stories about the Academy Building and its users. Stories such as who held heated debates in the beautiful vaulted Gewelfkamer, and why the singer of the Russian punk band Pussy Riot was given pride…

The Sustainability Prize of the Leiden University Green Office and the Local Chamber of Associations has been won this year by student association Catena. In the shadow of the corona pandemic, Catena worked exceptionally hard to improve sustainability.

Alumna Esmée Winkel, scientific illustrator and botanical artist, has been awarded a gold medal by the British Royal Horticultural Society for a series of six watercolours.

On Sept. 29, Lara Wierenga, together with graphic designer Dirma Janse, presented their new book Atlas of our Brain. In the presence of fellow scientists and other interested parties, they shared some of the stunning illustrations and mind-boggling facts that can be found in the book.

A poor woman from Java plucks three cocoa fruits from a plantation, to use as seedlings. The judge convicts her of theft, but she is not sent to prison. This is one of the examples of legal differentiation that Adriaan Bedner, Professor of Law and Society, will be examining in Indonesia. Inaugural lecture…

That the tax authorities are allowed to impose taxes is widely known. What is less well known is when the tax authorities must impose taxes. And what to do when one set of regulations requires the tax authorities to impose taxes while other regulations prevent them from doing exactly that? Vergouwen’s…

We are pleased to announce a call for papers for a conference focused on ethical practices in medical research and treatment in the colonial and postcolonial context.

As every academic year, the leadership team of the Young Academy Leiden is changing. As of September 2022, dr. Sarah Giest (Associate Professor, Institute of Public Administration), former Vice-Chair, will be the Chair of YAL. And dr. ir. Julia Cramer (Assistant Professor, Science Communication and…

In some university restaurants and cafés, you can already order them and, come January, you can enjoy them everywhere: the Pure products. Sustainable, healthy and/or vegetarian. The beautiful lime green, also the colour of the plates and bowls, is the vibrant symbol of these products. And Pure is even…