On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Sustainability researchers can play an important role in the energy transition. But what if their partners are not (yet) sustainable and science itself has adverse effects? This is the subject of an online talk by researcher Thomas Franssen on 16 December with a discussion afterwards. ‘Clean energy…

For the twelfth consecutive year, Leiden University College The Hague has been awarded the 'Top Programme' quality label by the Keuzegids Universiteiten 2025. With an impressive overall score of 89 out of 100 points, the Liberal Arts and Sciences: Global Challenges (BA/BSc) programme has earned five…

In the 18th century, the French colonial empire teemed with protectionist laws. Nevertheless, businessmen from the Republic played an important role in the French economy, and thus in the colonial system. PhD student Tessa de Boer explored how this came about.

The earlier you introduce children to a language, the sooner they can be captivated by it and see that there is more than just Dutch and English. That is the basis for the language lessons for primary education that Alisa van de Haar, university lecturer of French, collaborated on. ‘Deans from different…

Leiden researchers have discovered an enzyme that helps bacteria feed on everyday plastics. This common enzyme could play a crucial role in future research and eventually in addressing the global plastic crisis. The study was published in Nature Communications.

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

Migrants are far less of a burden on the budget of European countries than is often thought. This is the conclusion of research by economists from Leiden University.

Of the 900 new companies that have set up shop on the Netherlands’ largest campuses since 2018, 194 chose Leiden. This makes the Leiden Innovation District the fastest growing of the larger campuses. This is the conclusion a study by Buck Consultants International.

Eduard Fosch-Villaronga, PI of the ERC StG Safe and Sound hosted at Leiden University's eLaw Center for Law and Digital Technologies, recently met with Arnau Izaguerri of the United Nations Conference on Trade and Development (UNCTAD) to explore avenues for collaboration. The focus of the discussion…

Following a highly successful first edition, we are delighted to announce the second Leiden eLaw Summer School on ‘Regulating AI in the EU Digital Market’ taking place from 23 to 27 June 2025, both in person in Leiden and online.

Thijs Bosker and Paul Behrens, Professors in Environmental Sciences at Leiden University College in The Hague, have received funding from the Leiden University Fund and the Gratama Foundation to work on developing a set of Local Actions: tangible and practical exercises that students can engage in…

By 2050, we can obtain 40 per cent of our demand for scarce earth metals from old smartphones, batteries, and wind turbines. This is crucial because otherwise, we may not have enough to accomplish the energy transition. An international team of researchers from China, the UK, and Leiden's Tomer Fishman…

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

As the father of a family with four children, he already visited the Hortus regularly. Now Tom Schreuder also comes there for his work. Every day he travels from Lisse by bike. The new Director Operations calls it a ‘perfect match’.

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…

Education, Organisation, Human resources

Facility, Organisation

María Gabriela Palacio recently joined the Latin American Studies programme at the Institute for History as University Lecturer in Modern Latin American History. Below, she introduces herself.

What is the state of democracy in developing and transition countries in 2024? Terrible, according to the BTI Transformation Index.

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January.

On 25 September, lights throughout Leiden will be turned off for the Seeing Stars event. What makes the urban night so special? We asked university lecturer Sara Brandellero, who researches cities, night and migration.

A few weeks ago, Dutch pension giant ABP decided to divest from fossil fuels. But is this actually going to help the climate? Natascha van der Zwan, Arjen van der Heide and Philipp Golka (Institute of Public Administration, Leiden University) address this question in our new article for S&D.

Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. But the complicated relationship between…

Brian Shaev recently joined the Institute for History as a lecturer in International Studies. He introduces himself.

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

The city of Leiden is enriched by a dense infrastructure of knowledge institutes, with a uniquely strong focus on health and well-being. This gives Leiden "an extremely good starting position to become the healthiest city in the Netherlands," according to Fleur Spijker (Alderman for Economy, Knowledge,…

Tot onze grote droefheid is op vrijdag 13 september 2024 Victor Halberstadt overleden. Hij was sinds 1974 als hoogleraar Openbare Financiën verbonden aan de Afdeling Economie van de Faculteit der Rechtsgeleerdheid van de Universiteit Leiden; de laatste jaren als emeritus hoogleraar. Daarnaast bekleedde…

The FGGA starter grants provide researchers with the opportunity to launch innovative projects that contribute to both scientific knowledge and societal impact. In this article, Allard de Graaf and Joy Lee share their experiences and ambitions for their research, made possible by this funding.

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

Lecture, COGLOSS lecture

Panel

From medicines from snake venom to supercrops and the origin of words. Thirteen researchers from Leiden University will receive Open Competition XS grants from the Dutch Research Council (NWO).

Lecture, China Seminar

Lunch Seminar

Seminar

Lecture, China Seminar

Lecture

Lecture, PCNI Research Seminar

Inaugural lecture

Lecture

Lecture, European Union Seminar

Lecture

Lecture

Lunch Seminar

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

How can the people of Leiden age as well as possible? And what is needed to reduce health disparities? That is the mission of Leiden Healthy Society Center, a new partnership between the Municipality of Leiden, Leiden University and many other partners in the city.

Netherlands and China can learn from each other to handle household and livestock wastewater more sensibly. In the FOREWARD project, scientists from Leiden, Wageningen, and China are working together with local partners on feasible solutions that advance the environment, health, and economy.

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.