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Leiden University researchers will be working more closely with colleagues at Una Europa partner universities this year. Three research projects have been awarded up to €40,000 in Una Europa seed funding to explore questions related to democracy and AI, web tracking technologies and clean energy.

During adolescence, some young people have stable best-friend relationships, while others change best friends frequently. Developmental psychologist Lisa Schreuders has studied the brains of young adolescents: ‘It seems that friendships in your early years can have consequences for your friendships…

Dutch and Flemish partners, including Leiden University, are joining forces as the European Digital Media Observatory (EDMO) in the fight against the spread of fake news, and have received the support of the European Commission.

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

Supercomputer ALICE has been expanded, making it even more powerful and faster. This means researchers and students can work with heavier models. From language research to brain activity scans, this expansion is good news for a variety of disciplines. So who gets to work with this prima donna?

Researchers Rowie Stolk and Caelesta Braun’s ‘Litigation in the name of public interest’ Kiem project included an interdisciplinary workshop on the same topic. For starting PhD candidates in particular, this was the chance to build valuable connections.

Alumna Janine Ubink is a Professor of Law, Governance and Development at Leiden University. She researches legal pluralism in various areas of Africa and calls herself a ‘tropical lawyer’. She says, ‘It doesn't really exist, but I am one.’

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

Last week, the sad news reached us that Dr Jan Schmidt passed away on 11 August 2025. We wish his partner, friends and family strength and comfort as they cope with this loss. Jan Schmidt will be remembered as one of the most prolific and learned scholars in the field of Ottoman codicology and histo…

Leiden University and the Leiden Bio Science Park can make a significant contribution to the earning capacity of the Netherlands. This is the finding of the National Investment Agenda presented today.

From practicing ultrasound techniques in augmented reality to chatting with virtual ancient Greeks about what an archaeological site looked like back in the day: video & innovation specialist Nathan Saucier gives an insight into the many possibilities of the interactive media and simulations studio…

When politicians claim they can make major differences with their migration policies, they’re raising false expectations. The opportunities for the government to restrict migration are in fact very limited. And what about the little room they do have? Mark Klaassen’s advice is to make use of those opportunities…

We are living through an age in which social media platforms have given way to entirely new forms of politics and politicking. It is no exaggeration to say: there is a before and after social media.

Imagine scanning lion dung or a mouse dropping and instantly knowing exactly what and how much the animal has eaten. Thanks to new DNA techniques, this is becoming increasingly feasible. PhD student Kevin Groen tested how effective these techniques are at unraveling the diets of wild animals.

What does a 19th-century exhibition of traditional utensils from the province of Zeeland tell us about the current rise of populism? A lot, Ad Maas will say in his inaugural lecture.

Jan Joosten studied civil and tax law in Leiden from 1985. After exchanges and an internship, he became infatuated with the United States. He is now a partner and co-founder of a new law firm in New York: Pierson Ferdinand.

There’s a lot that goes wrong in the treatment of patients with PTSD caused by childhood trauma. Endowed professor Maartje Schoorl wants to resolve this by bringing scientific research closer to the practice. Inaugural lecture on Friday 29 April.

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

The tenth International Conference on Rapa Nui (Easter Island) and the Pacific will be a special edition with a focus on reconciliation. The fatal shooting in 1722 will be remembered, when the Dutch shot and killed ten Easter Islanders. The conference will be held in Leiden from 19 to 24 June.

From a powerful documentary to a heartwarming classic: four Leiden alumni have chosen their favourite films and will introduce them at Leiden International Film Festival.

Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.

On 26 and 27 September, Eduard Fosch-Villaronga, Carlotta Rigotti, Mohammed Raiz Shaffique, Marie Schwed-Shenker and Antoni Mut Piña participated in the third edition of Lawtomation Days at the IE University in Madrid.

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…

On the Day of the Emergency Response Officer, we shine a light on the colleagues who contribute to safety across the university. Their dedication and experiences highlight the value and versatility of being a company emergency response officer – not only in the workplace, but beyond. We spoke with four…

With the red flag flying proudly on the Academy Building (Leiden University was on strike for the first time in its history!), the farewell event for former dean Mark Rutgers was held in the Telders Auditorium. After eight years, he has passed the baton to the interim dean, Henk te Velde.

It is sufficiently plausible that the professor from the Faculty of Archaeology exhibited the ‘inappropriate and unacceptable behaviour’ detailed in the advice of the investigating committee. That is is unless the professor provides counter-evidence. This is the conclusion of the Subdistrict Court…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

When you think of a library, you probably picture books – or students quietly studying. But for subject librarian Rutger de Jong, most of the work happens online. ‘We never throw anything away. Everything produced here in the name of science should remain findable.’

Since 1 October, Sabina Chiță has been working as a coach for first-generation students in Physics. But who are first-generation students, and why might they need a coach? Six questions to Sabina Chiță.

Is the right to choose your healthcare provider protected in the Dutch Constitution? What are the consequences then for the Dutch healthcare system? PhD defence on 5 July 2022.

Legal protection. What do those involved in youth care and child protection understand by this concept? And what needs to change to improve legal protection? This question was explored by researchers from Leiden University’s Department of Child Law. Their research fits with the government’s ambition…

A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…

Minority governments only become an option when attempts to form a government collapse. PhD candidate Corné Smit explored why such governments have become rare in the Netherlands and what advantages they might offer. ‘Broad majority coalitions often fail to make substantial progress on key issues.’

Jeroen Zwemmer’s student days in Leiden ended in 2023, after completing two bachelor’s degrees, a master’s, a student board year, and an exchange semester. Now, he’s a legal policy advisor at a Dutch government ministry.

What is the significance of the history of slavery for our present-day society? A special exhibition in the inner courtyard of the Academy Building features eleven insightful portraits of students and staff, and their answer to this question. The aim of the exhibition’s initiators is to make the subject…

Leiden University co-hosts Council of Europe expert exchange on accountability for crimes against children in Ukraine