Hortus prefect Paul Keßler was a part of the delegation of Leiden researchers that traveled to Indonesia on a knowledge mission. In two weeks, he visited seven different universities and institutes and of course he also went to see three botanical gardens.

The Dutch Ministry of Health, Welfare and Sport is to appeal against a recent court ruling on the Public Access to Government Information Act (Wet openbaarheid van bestuur, WOB). The court ruled that the way in which the Ministry handles WOB requests was not in accordance with the law.

Professor Herman Paul has been appointed Scientific Director of the Institute of History from 1 February 2025. ‘Especially in these times, transparency is essential.’

Education, Research

The largest international conference on English historical linguistics is coming to Leiden. From 7 June to 11 June 2021, the Leiden University Centre for Linguistics (LUCL) organises the International Conference on English Historical Linguistics (ICEHL-21). Due to Covid measures, the conference takes…

With the childcare benefits scandal in the Netherlands, certain interests in society were hidden for long to politics and governance. With the farmers’ protests, on the other hand, the major economic and political interests at stake were hidden for long to society. In her inaugural lecture on 16 September,…

Exotic marsh frogs from distant lands are colonising the south-east of the Netherlands. This has been demonstrated by biology students from our faculty. Although the amphibians thrive in our little country, they are harmful to native biodiversity.

There seem to be genes that influence how our brains develop over time. A large international consortium has discovered this with an extensive study. The results of the study were recently published in Nature Neuroscience.

An article by assistant professor Caspar Jacobs has been included in the prestigious Philosophers’ Annual, which compiles the ten best philosophy articles each year. In ‘Comparativist Theories or Conspiracy Theories?’, he addresses the question of whether objects have fundamental properties.

Aske Plaat is the scientific director of LIACS, the Leiden Institute of Advanced Computer Systems. He is also an ambassador for Leiden University's LGBT+ Network. His enthusiasm shines through when he explains why.

Marjolijn joined Leiden University in June as Policy Adviser on Healthy University and Staff Absence. She is passionate about healthy living and is pleased to be able to draw on this in her work. She is currently hard at work on the preparations for Healthy University Week, which will be from 31 October…

Water damage, old restorations and copper corrosion in some illustrations. De Materia Medica has been through a lot over the centuries. The manuscript dates from 1083 AD and is one of the oldest illustrated Arabic manuscripts in the world. Due to intensive use, De Materia Medica was no longer in good…

The European Research Council (ERC) has awarded Nathaniel Martin a Proof of Concept (PoC) grant. With it, his group aims to make a dangerous but potent antibiotic less toxic. He receives €150.000.

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

Long evenings and closed university buildings make a perfect combination for listening to podcasts. Over the past six months, staff, students and alumni of the Faculty of Humanities have once again produced some great work.

During the Food for Thought lunch meeting on 2 December, colleagues from across the Faculty of Social Sciences and the Faculty of Governance and Global Affairs gathered for the SSH Sectorplan theme Resilience in Youth to exchange insights and strengthen interdisciplinary collaboration.

On the occasion of the Workshop organized last July to officially launch the Leiden Chinese Queer Collection (LCQC), the National Museum of Taiwan Literature (NMTL) donated 30 titles of Taiwanese LGBTQ+ literature to support this initiative. These works where published between 1971 and 2022 by authors…

Security

How do you combine the growth of wind energy with the protection of vulnerable seabirds? With her master’s thesis on this delicate balance, Sofie Hajer won the 2025 Unilever Research Prize. Her work provides new insights into how ecology and policy can strengthen each other.

Professor Dario Fazzi has been organising virtual exchanges for students with various American universities for a number of years. Now he has been awarded 400.000 euros from the Erasmus+ programme Cooperation Partnerships to further develop the virtual component of his teaching.

The 'Groot Nederlands Student Kampioenschap' student games have been held for the first time in two cities, Delft and The Hague. To make this happen our Campus The Hague worked together with The Hague University of Applied Sciences and Inholland University of Applied Sciences. Three students look back…

Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…

Are you thinking of applying for a Kiem grant but still tinkering with your idea for an interdisciplinary project? Let Leiden colleagues from the first Kiem round inspire you! Lydie Cabane invited researchers from all over the world for a workshop entitled ‘Protecting against disasters’.

A number of election debates will be taking place in the run-up to the municipal elections on 18 March 2026. Leiden University and its partners in The Hague are also organising several initiatives that give students and staff the chance to exchange ideas with local politicians about the city’s futur…

The bachelor programmes German Language and Culture, Classics, Dutch Language and Culture, Ancient Near Eastern Studies, Religious studies and Linguistics have received the predicate top rated programme from the Keuzegids.

The Teaching Fair is coming up again. On Thursday afternoon, 20 June, you can be inspired by your colleagues about educational innovation. University lecturer Elpine de Boer will be at the information fair with her project on social issues and an external client.

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…

Sustainable biotechnology, new insights into genome evolution and combining forces in mathematics. The NWO has awarded grants to these three innovative Leiden research projects in the ENW-M Open Competition.

Lydie Cabane, Assistant Professor at ISGA, has written an article in E-International Relations to discuss the key lessons from other crisis management domains to improve the EU response to pandemics.

PhD candidate at the Parenting, Child Care and Development programme group Wei Li examined longitudinally the role of parents in self-regulation of young children in the Netherlands and China during their first two years of life. Li also specifically focused on the role of grandparents in China. This…

Writing a master’s thesis in Political Science is a demanding yet rewarding journey. Every year, students deliver impressive research that showcases their analytical skills and academic rigor. This year, one thesis stood out for its exceptional quality. On 31 October 2025, during the master’s graduation…

Library, Organisation, Research

Despite a lack of specific legislation on this issue, Dutch Minister of Justice and Security Dilan Yeşilgöz is allowing the national police force to experiment with facial recognition technology.

Hidde studies Public Administration and did an internship at the Kennemerland safety region. During his internship, he conducted research effective collaboration on the Environment and Planning Act at the safety region.

Rick Lawson, Professor of European Law and former Dean of Leiden Law School, was appointed as the new president of the Netherlands Institute for Human Rights on 30 June.

Mohammad Bin Khidzer recently joined the Institute for History as a Postdoc, as part of Fenneke Sysling's ERC Starting Grant project COMET: Human Subject Research and Medical Ethics in Colonial Southeast Asia. Below he introduces himself.

Vanessa mak knaw

Three projects affiliated with the university will receive grants from the Leids Mediafonds (Leiden Media Fund ed.). The money is to be spend on creating a journalistic production in collaboration with a local media partner.

Teachers viewed multicultural classes with VR glasses and discussed that for the study 'Culturally responsive teaching in multicultural classes'.

The Vrouw Vennepolder near Oud Ade has been transformed into the Polderlab. Scientists and students from Leiden University, together with farmers and citizens, investigate how to manage peatland in a sustainable and profitable manner. A great opportunity for students to experience how scientific knowledge…

Leiden researchers Arjen Doelman, Tom Huizinga and Manfred Wuhrer have been awarded ERC Synergy Grants worth millions of euros for their research on preventing tipping points being reached in ecosystems and helping eradicate rheumatism.

Political scientists study topics that affect society, but their work often remains out of the spotlight. Not always: the research of Leiden political scientist Simon Otjes does have a visible impact.

Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…

Should Leiden University cut its ties with the fossil fuel industry forthwith? This was the main question in a debate between students and staff. The answer was clearer for some than for others.

How can our university really become inclusive? This is what students and staff discussed at our annual Diversity & Inclusion symposium. ‘It’s moving from a have-to to a want-to’

2023 was another year full of highlights and special moments for the faculty of Governance and Global Affairs. Find out what the year was like in this year overview: we take you through the most important moments and news items month of each month.

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food.

Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…

During the New Year's Reception at FSW, new Dean Sarah de Rijcke gave her maiden speech. The first official moment at which she's able to share what she stands for and what to expect of her. In case you weren't there, or you want to read the speech at your own pace, below you can find the integral copy…

No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.