In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

Excessive regulatory burden causes economic harm and can undermine trust in government. Policymakers wishing to ease this should be more mindful of people’s differing responses to rules, says PhD candidate Ritsart Plantenga in his dissertation.

As of 1 September, Martina Vijver is the new Scientific Director of the Institute of Environmental Sciences. She succeeds Arnold Tukker, who led the institute since 2013 and served the maximum term of two times four years. Vijver has been appointed for a period of four years.

The social sciences are vital in navigating complexities, fostering understanding and bridging divides. This was celebrated during the faculty opening of the academic year.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Maarten Schrama (CML) has won the Teacher of the Year Award 2021. During a lunch with fellow nominees, Schrama received a cheque worth 5,000 euros from student assessor Joost Barendse to spend on educational activities.

As of 1 September, Pim Overgaauw is appointed as Institute Manager of the Mathematical Institute. The job is not new to him, as he has been ad interim institute manager since March 2022. For now, Overgaauw will be working for the MI three days a week, but it is expected that this can be extended to…

Auke-Florian Hiemstra is the Leidsch Dagblad Person of the Year 2022.

The Grand Parade was a festive highlight of the 450th anniversary celebration of 3 October. Students and staff members from Leiden University participated with an impressive float.

Professor Petra Sijpesteijn has been elected as an International Fellow of the British Academy, a prestigious recognition that highlights her exceptional contributions to the study of early Islamic history.

As of 1 May Gianne Derks is the new Scientific Director of the Mathematics Institute. Derks succeeds Hermen Jan Hupkes who temporarily assumed the role. Derks has been appointed for a period of four years.

You win the Leiden Teaching Prize and suddenly all eyes are on you. Three past recipients reflect on how this student-awarded prize has changed how they work and improved their teaching – and how they chose to spend the money.

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

Digital diagnostic tools should improve the diagnostic process of patients with musculoskeletal complaints, so that they can receive the right treatment more quickly.

Like many moot court competitions around the world, the Leiden-Sarin International Air Law Moot Court Competition was conducted fully online this year. The International Air Law Moot Court is an unparalleled forum for bringing together students and aviation professionals who share a passion for air…

The socio-economic effects of climate change often do not receive enough attention. At the EuroScience Open Forum (ESOF) a group of researchers will provide more insight. How does climate change affect whether people work together or conversely end up as opponents? And what can we learn from societies…

What’s at stake at the NATO summit in The Hague? Three academics from Leiden share their insights.

Dennis Broeders, professor of global security and technology at ISGA (Institute of Security and Global Affairs), together with two partners, has been granted a major European project: EU Cyber Direct. Together with EU ISS and Carnegie Europe, ISGA forms a new consortium for 3 years with a total budget…

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

In May and June of 2021, Bachelor 1 and 2 students of the Faculty of Archaeology joined in the excavation at Oss. After the fieldwork itself, a second post-excavations week started in Leiden where each of them participated in small groups conducting archaeological find processing and working on creative…

In the coming years, Hilde De Weerdt gets to spend over three million euros. She received grants from both the European Research Council (ERC) and the Dutch Research Council (NWO) for research on Chinese infrastructure. ‘It is great that it is also possible to develop large projects in the social sciences…

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

The gas prices now exceed 300 euros per megawatt hour – a record. The transition from fossil (natural gas, coal, oil) to renewable energy is needed and soon. But how do you get a society (and its citizens) to switch to sustainable energy?

Can playing games at the Oerol Festival enhance education? Anthropologist Caroline Archambault introduces playful innovation in her course, ArtWorks for Sustainable Livelihoods, exploring how art offers insights into and advocates for sustainable living.

Moderne oorlogsvoering kent geen grenzen. Dreigingen zijn steeds vaker digitaal. Promovendus Annelies van Vark stelt dat Scandinavië beter voorbereid is op gevaar. Zij pleit voor een sterkere rol van de krijgsmacht, herinvoering van de dienstplicht en paraatheid – óók bij burgers.

Over the last 5-6 years Burkina Faso has become seriously implicated in the rapid and dramatic changes in the geopolitical situation in the Sahel. The country, once reputed for its stability and safety, has come under the spotlight for the number of violent attacks and of internally displaced people.…

With the addition of over 16,500 new catalogue records, the collection of Johannes Tiberius Bodel Nijenhuis (1797-1872) is now almost entirely searchable online. The private collection of the Leiden map collector laid the foundation for the special collection of maps and atlases of Leiden University.…

One more week, then the Teaching Fair will start. For a whole afternoon, all the Faculty of Humanities teaching staff will be able to gain inspiration from their colleagues. Three participants speak about what we can expect.

The Board of Leiden University has appointed Armin Cuyvers as a full professor of European Law, specifically EU Constitutional Law and Comparative Regional Integration, effective per 1 September 2021.

During the Cold War, 35 states sat down at the table and negotiated for three years – with results. Lecturer Kai Hebel sees the Helsinki Final Act (1975) as the inspirational example of successful negotiations between hostile states.

On June 16, 2025, the Institute of Political Science at Leiden University hosted a panel debate about the ongoing mass student-led protests in Serbia. The protests have shaken the increasingly illiberal regime in Serbia to its core and have grown into the largest student protests in Europe since 196…

Andrea Warnecke joined the Institute for History in August 2021 as an Assistant Professor in the History and International Studies section. This year, she will get a tenured position. Below, she introduces herself.

Religious studies specialist and historian Tom-Eric Krijger talks about the new pope. Will he be a mediator or someone who dares to take a stand?

Memorandum of understanding (MoU) signed between ISGA and Fukushima University during visit in Japan

On Tuesday 6 May our university was the scene of an unscheduled demonstration and occupation at Campus The Hague. We understand that this incident and its consequences have shaken both the university and the wider community. We look back at the events and their effects.

On December 16, 2023, our respected and beloved former colleague prof.dr.ir. Bert Peletier passed away.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Welcome to the 2024-2025 academic year! I hope this finds you feeling refreshed following an enjoyable and restful summer holiday season. As we start the autumn semester, I want to look back briefly by highlighting 10 significant milestones at LUCSoR from this past year (some of which I referenced in…

Egyptologist Marleen De Meyer has been appointed the new Director of the Netherlands-Flemish Institute in Cairo (NVIC). Dr De Meyer has worked for the institute, which promotes Egyptian, Dutch and Flemish collaboration in the field of education and research, since 2016.

In August 2022 we welcome our new colleague Dr Letty ten Harkel as Assistant Professor in Roman and Post-Roman Archaeology. For the past ten years she has built up an impressive track record in the School of Archaeology at the University of Oxford. Read the interview about her background and research…

PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.

While studying Indonesian languages and cultures, Rennie Roos started a company. Today he has been working in Indonesia for more than eight years. Where does his love for this country come from? And how does he look back on his studies? ‘I actually wanted to become a pilot.’

Over hundreds of thousands of years, our region witnessed the comings and goings of various types of hominin. This depended on the temperature as ice ages alternated with warmer periods. In ‘De eerste mensen in de Lage Landen’ (‘The First Humans in the Low Countries’) Leiden archaeologists Yannick Raczynski-Henk…

Radhika Gupta has received a Consolidator Grant from the European Research Council to study how transnational Islamic charitable networks are entangled with Western humanitarianism and neoliberal welfare frameworks.

Pichayapat Naisupap recently joined the Institute for History as PhD candidate. Below, he introduces himself.

On behalf of its students and staff, the Executive Board of Leiden University would like to express our condolences to all those affected by last Friday’s earthquake in Morocco. We would also like to offer support to all students and staff who have family or friends in the area. In the meantime, several…

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

Courts that adjudicate war crimes or other crimes against humanity are increasingly taking regional norms and cultural values into consideration. PhD candidate Seun Bakare examined whether this could also be an asset in cooperation with the International Criminal Court (ICC).

Traces of the past remain hidden in rivers, lakes and seas. In his inaugural lecture Martijn Manders will explain why underwater archaeology is important to understanding our history.

What does academic freedom mean? And how do we give shape to it in Leiden? The Academic Freedom Core Team considered these questions and presented its final report on 17 June.