Drained leaves and plants stripped bare. Insects can completely destroy crops. Soon, these situations may be behind us, with the new pesticide developed by Leiden and Wageningen researchers. With their plant-based ‘insect glue’, insects are incapacitated.

De collegereeks over het Nederlandse crisismanagementstelstel gaat vrijdag 26 mei van start. Lector crisisbeheersing bij het NIPV (Nederlands Instituut Publieke Veiligheid) Menno van Duin trapt af en geeft vast een voorproefje over het eerste college.

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

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.

How can humans and computers learn from data? To research this, scientists often use so-called Bayesian methods. Although these methods are widely used, they also have limitations and are not always easy to interpret. In her dissertation Rianne de Heide describes some of these problems and introduces…

What happens in our bodies when we care for children? And why are some people more caring than others?

Education

Leiden researchers from the departments Company Law and Business Studies will be collaborating with SEO Economisch Onderzoek on behalf of the WODC. The subject of their research project will be the financing of the insolvency administrator.

Academics are increasingly facing threats, harassment and hate speech following public appearances. The Dutch universities – united in the Association of Universities in the Netherlands (VSNU) – is now adopting a number of national measures, from a zero-tolerance policty to psychosocial help for vic…

Senior Researcher at the Institute of Security and Global Affairs and Associate Fellow of The Hague Program of Cyber Norms François Delerue was awarded the 2021 Book Prize of the European Society of International Law for his book Cyber Operations and International Law published by Cambridge University…

Social

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

In 2025, students, lecturers, researchers and alumni of the Faculty of Humanities were once again at the heart of society. They demonstrated the importance of the humanities through their groundbreaking research, meaningful education and strong collaborations.

Research

Welcome to the Expertise Centre for Teaching and Learning (ECOLe) of the Faculty of Humanities. Here you will find information on didactics, teacher development, teaching innovation, assessment and the use of teaching tools. Have a question or need advice? E-mail ecole@hum.leidenuniv.nl.

The university bid farewell to its Rector Magnificus, Hester Bijl, on 13 January during the ‘Hester’s Highlights’ symposium.

We’ve been using BAS InSite, the university’s new basic administration system, for a month now. The transition to a single integrated platform for all HR, financial and administrative tasks went smoothly, for the most part, but also created a few challenges. ‘It’s not just a technical change; it also…

On a sunny Lammermarkt, thousands of new students gathered to kick off their student life in Leiden at the 56th edition of EL CID.

On Tuesday 12 April Angus Mol and Aris Politopoulos have been awarded the fourth LUCAS Publieksprijs.

That a parrot can copycat sounds is nothing new. But vocal learning is not common in animals. Researcher Carel ten Cate of the Institute of Biology Leiden (IBL) of Leiden University has now discovered a duck species that can imitate sounds. ‘It started with an obscure reference about an Australian musk…

Professor Ariadne Schmidt and Associate Professor Arie van Steensel (University of Groningen) have produced A Companion to Medieval and Early Modern Leiden, the first English-language history of Leiden. Mayor Peter Heijkoop received the first copy.

Simay Çetin won the FSW Master’s Thesis Prize 2021 with her thesis “Interpreting Culture through Embodied Practice: An anthropological study of sexuality among Dutch Women with Turkish Migrant backgrounds”. She was supervised by Prof. dr. Peter Pels. According to the jury is Simay’s thesis not only…

At the Leiden Institute for Area Studies (LIAS), scholars have been studying the Indian subcontinent with attention and expertise for more than 100 years. This part of South Asia is an economic giant with a population of over two billion. Nira Wickramasinghe, Professor of Modern South Asian Studies,…

ACPA alumnus Gabriel Paiuk is releasing a new album, titled Degrees of Transparency, on the Unsounds label.

On the occasion of the 440th DIES NATALIS, celebrated on Monday 9 February, Leiden University proudly awarded an Honorary Doctorate to William Christie, renowned harpsichordist, conductor, musicologist and teacher, and the foremost pioneer in the renewed appreciation of Baroque music in France, notably…

‘Wonder is the beginning of insight. Don’t let that academic curiosity erode.’ This was Jan Anthonie Bruijn’s call to administrators and funding bodies in his valedictory lecture.

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

The promising early results of an international study have shown that insulin-producing cells grown from stem cells can cure the disease. The new Cure One LUMC research centre aims to accelerate this breakthrough.

The inaugural Society for the Study of French History First Book Prize has been awarded to Lewis Wade’s monograph 'Privilege, Economy and State in Old Regime France: Marine Insurance, War and the Atlantic Empire under Louis XIV (Boydell Press, 2023)'.

Leiden Mayor Peter Heijkoop visited the Faculty of Social and Behavioural Sciences and the Faculty of Science on Monday,

How can we guarantee the safety of the crown witness scheme for both crown witnesses and lawyers? How can we ensure that online conversations between lawyers and their clients remain confidential? And what are the risks of extra secure communication tools?

On August 18, 2022, Henk Bodewitz, distinguished Indologist and emeritus professor of Sanskrit at Leiden University, passed away in his hometown of Utrecht.

The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic challenges in the digital environment. This years conference focused on international cyber security and the role of the…

In the academic world interest in interdisciplinary research is growing. It can help to solve the big challenges of our times. But starting a research project that covers several disciplines is not always easy. This was one of the conclusions at a Young Academy Leiden (YAL) symposium. What are the c…

Until now, systematic discussions of gender, race and law have received little attention from Dutch law faculties, especially at the undergraduate teaching level. At the same time, public calls for discussion of these issues increases rapidly.

On 9 December, a lottery to conclude the first call of the Leiden University Global Fund (LUGF) Seed Fund has granted 14 project proposals €15.000. These projects will be working to enhance the relationship between Leiden University and her partners in Africa, Latin America, North East and South East…

Fake news a new phenomenon? Not according to Rens Tacoma and Indira Huliselan. In an NWO project, the associate professor and PhD student will delve into the twisting, scheming and tampering with facts that went on thousands of years ago.

Every Political Science master’s student at Leiden University completes their degree with thesis. The thesis provides students with the opportunity to pursue a topic of their choosing in depth and conduct independent research. It is a demanding task that requires dedication, attention to detail, and…

Collaborating in drug discovery and health research was the goal of a visit to the Leiden Bio Science Park on 14 May by a Swedish delegation including His Majesty King Carl XVI Gustav of Sweden. The delegation visited Leiden University’s Faculty of Science.

Gelderland Heritage and Leiden University’s Faculty of Archaeology have won the European Heritage Award / Europa Nostra Award 2022 in the ‘research’ category with the Heritage Quest citizen science project. ‘Heritage Quest has shown that citizens can play an active role in protecting cultural heritage…

A delegation from the University of Edinburgh recently visited Leiden University to deepen their collaboration. What makes Edinburgh such an attractive partner?

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

Connecting space to society and gaining problem-solving experience: that’s the goal of LDE Space & Society, a new honours programme for bachelor’s students in Leiden, Delft and Rotterdam. What does the programme look like? And what do students hope to learn? We visited a kick-off session full of exc…

Leiden alumnus Emma Govaart (24) wanted to make an impact on society, so she took a job in the non-profit sector after graduating.

The LUCAS Audience Award 2021 has been awarded to Nadine Akkerman. This is a prize for researchers who appeal to an audience wider than the academic community. The prize consists of 1000 euros, a trophy and eternal fame.

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.

From a new generation of antibiotics and more-effective vaccines to a map of dark matter and new light on Hindu traditions. Four researchers from Leiden University have received a prestigious €2.5m ERC Advanced Grant to develop their research.

The university campus at the Leiden Bio Science Park is flourishing. A new book tells the stories behind this remarkable metamorphosis.

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

Carlotta Rigotti, Postdoc researcher at eLaw, and Eduard Fosch-Villaronga, Associate Professor at eLaw, delivered a lecture on AI and non-discrimination, engaging students with the Debiaser demo.