Leiden researchers from different disciplines look together at complex social problems. What happens when they join forces with artists? The results could be seen on Tuesday 11 June during a unique exhibition. Take a look for yourself:

Who shall be responsible or liable when damage is caused by Global Navigation Satellite System (GNSS)? Is it fair enough to force a GNSS provider to bear the burden of compensation given GNSS open signals are provided free of charge? And are current international laws adequate to deal with those questions?…

On 7 and 8 November 2024, the International Centre for Counter-Terrorism (ICCT), the Institute of Security & Global Affairs at Leiden University, and The Netherlands’ National Coordinator for Security and Counter Terrorism (NCTV) partnered to host a ‘Blue-Sky’ Terrorist Exploitation of Artificial…

For the duration of a month, the portraits of female professors only will hang in the Senate Chamber of Leiden University. This is the initiative of Athena’s Angels, who want more room for women, literally and figuratively. Vice-Rector Simone Buitendijk unveiled the portrait photos on 8 March.

The first of April was the official start of Phase II of the collaborative “PCAD4Cod”-project on the effect of sound on fish populations. Hans Slabbekoorn, associate professor at the IBL, is the principal investigator and collaborates with three PhD-students, Dr. Erwin Winter, (Wageningen Marine Research),…

Police killed Eric Garner 9 years ago (‘I can’t breathe’) when he resisted a search. Now everyone will consent to stops and searches. Law Professor and author Josephine Ross looks to feminism: what police call consent, feminists would call submission. During the lecture on Wednesday 31 May, Josephine…

We should assume that animals can have feelings too. From an ethical point of view this should inform our dealings with animals, researchers from Leiden University and Utrecht University argue in an opinion article that was published in the scientific journal Affective Science on Thursday 10 March.

A new and recently started Getty Foundation project, Material Entanglements in the Ancient Mediterranean and Beyond, aims to forge connections among Mediterranean and Eastern scholars who rarely come into contact with one another’s work. Ann Brysbaert is one of the 25 invited specialists investigating…

Sara Polak, PhD researcher and lecturer at LUCAS, has won a Fulbright scholarship to work on her research on Franklin D. Roosevelt at Yale University from September 2014 till February 2015.

Amid the many traditions of Leiden’s 3 October Festival, a relative newcomer is beginning to take hold: the Science Market. At market stalls, the people of Leiden could explore or even participate in Leiden’s research – performing an ‘operation’ in the street, for example.

Starting 2 July 2022, a new exhibition will be opened to the public at the Old Observatory: More-than-Planet. This exhibit asks the question: how do we imagine our planet?

The challenges of building a sustainable society are unprecedented. But the Dutch municipalities cannot be faulted for their commitment. They are working hard, conclude Professor Eefje Cuppen and Lian Merkx, programme manager for energy at the Association of Netherlands Municipalities (VNG). To exchange…

What if seriously ill patients do not want to hear their diagnosis? Does a clinician always need to provide a patient with all available information? Communication researcher Liesbeth van Vliet, medical anthropologist Annemarie Samuels and research intern Fiona Brosig will put these questions on open…

How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.

A COVID-19 vaccine that specifically instructs the immune system to produce T-cells rather than antibodies is shown to provide good protection in a mouse model, Leiden University Medical Center (LUMC) researchers report in Nature Communications. According to them, the alternative vaccine may offer a…

In recent years, the Walad Djifir from Chad found themselves in a turbulent environment due to the unrest in Nigeria, Libya and the Central African Republic. How did they adapt? Inge Butter explored their situation in her PhD thesis. PhD defence will take place on 2 July.

Following the news that TomTom is cutting 300 jobs due to the use of artificial intelligence (AI), FGGA researchers Friso Selten and Alex Ingrams responded with opinion pieces. They place the news in a broader context and call for a more nuanced debate on AI and job losses.

Odile Bodde tells about her stay in London at King's College...

Framing Poland through the lens of post-socialism, as is common in the social sciences, has become outdated. This label no longer captures the rapid changes that have taken place since the fall of the Iron Curtain. Ola Gracjasz's research shows that people are redefining their national identity, blending…

It is with profound sadness that we have learned of the passing of our colleague and friend, Dr Harold M Hays. Harold passed away on Wednesday 20 November, in his sleep, as a result of heart failure.

Nienke Weijermars studied Public Administration at the Faculty of Governance and Global Affairs. While doing her bachelor’s, she enrolled in the minor in Journalism and New Media, followed by an internship at Dutch local newspaper Leidsch Dagblad: 'At Leidsch Dagblad, they really had time to teach me…

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Biologist Astri Kusumawardhani is the second in this series to…

An international team of researchers, including Federico Calle-Vallejo of Leiden University’s Institute of Chemistry, have taken the atomic-scale design of catalysts to the next level. Their research contributes to the quest for a method to generate or store energy more efficiently. The report is published…

Should criminal law have a greater role in protecting this democracy? In his inaugural lecture, Professor Jeroen ten Voorde urges caution.

Do you sometimes find yourself sweating in the classroom while your students are really relaxed? Do you find yourself answering your own questions more often than your students? Are your students mainly concerned with getting a good grade while putting in minimum effort?

With 8.9 million euros from the Danish National Research Foundation, Aarhus University and Leiden Observatory will establish the Center for Interstellar Catalysis. The centre is led by Aarhus professor Liv Hornekær and aims to find out how and when the building blocks of life formed in the Universe.…

On October 15, 2020, international academics, practitioners, and students gathered online at the conference 'Leadership in Progress: Science Meets Practice' organized by the Leiden Leadership Centre. Together with renowned speakers from academia, politics and the civil service a multidisciplinary exchange…

Shell cooperates with theoretical physicists and chemists of Leiden University to research how quantum computer algorithms can help simulate complex molecules.

Erik de Maaker wrote a monograph on how Garo, an indigenous community of the extended eastern Himalayas, experience and negotiate such disparities. The book shows how relatedness is reinterpreted as religious practices change, and communally held land ends up being privately controlled. Erik de Maaker…

Technology holds so much promise – from self-driving cars to enhanced physical performance from smart implants under the skin. But we should not let ourselves be caught off guard. That is the message of Bart Custers, Professor of Law and Data Science in his inaugural lecture on 21 May. ‘We don’t talk…

In Leiden, light particles march into Wolfgang Löffler’s experiments one by one. His research focuses on acquiring the fundamental knowledge needed to develop quantum computers and networks.

Fascinated by science since high school, Alireza Mashaghi Tabari is driven to explore new ways of thinking in medicine. With a strong academic network, he educates students and gives public lectures. For his research at LACDR, he won the C.J. Kok Public Award 2018, making him the Faculty of Science's…

The Lorentz Center is a melting pot that is visited by researchers from around the world. ‘Miracles happen’ during the five-day interactive workshops at the Center. And there is an extra reason to celebrate the center’s 25th anniversary. On 28 April, the Dutch Research Council (NWO) and Leiden University…

Secret services are engaging in increasingly extreme forms of cyber espionage. But nobody talks about this. Dennis Broeders knows why and is trying to have an open conversation about new forms of espionage. As Professor of Global Security and Technology, he will give his inaugural lecture on Friday…

On September 29th LUC celebrated its 6th birthday. Lieke Schreel, the Educational Director of LUC has been involved with the programme from the start. She reflects on the growth and the development of LUC in those six years.

Frederique Visser is Research Master student and Student Assistent to the Foundation for Austrian Studies. She writes about her experiences on her research trip to Austria.

In the depots of the Faculty of Archaeology, many artifacts, accumulated after decades of fieldwork across the world, are stored. A new project, the Leiden Inventory Depot (LID), aims to unlock this wealth of information to the outside world. Our Master’s students Sam Botan and Rishika Dhumal are currently…

Indonesia still has a long way to go before the country can truly flourish, was the message given by Indonesian Vice President Boediono during his visit to Leiden University on 26 March. He viewed collections in the University Library and the Hortus, and was presented with the William of Orange medal…

A word from our director

On April 14, 2025, Dr. Hans Petschar, the recently-retired Director of the Bildarchiv und Grafiksammlung at the Austrian National Library in Vienna, delivered the Sixth Annual Austrian Studies Lecture 'Austria’s Present Past: A visual journey through Austrian history 1925 – 2025'.

Are magnetic fields older than the first light? And how did they influence the development of our universe right after the Big Bang? Cosmologists from Leiden, Groningen, and Utrecht are now collaborating to investigate this.

Rewarding good behaviour, instead of punishing it – a proven pedagogical method. Would it also work in tackling tax avoidance? This question sparked the interest of PhD candidate Josephine van der Have. Her research investigates the potential of a trademark for fair taxation.

The Countering Syndemic Vulnerability project supports communities by identifying and tackling clusters of social factors and health problems. The project works with residents and professionals in the Moerwijk district in The Hague and the Stevenshof district in Leiden.

Covid-19 has had a huge impact on teaching at universities over the past two years. Through force of circumstances, lecturers have adapted much faster to a digital future. On 7 June Leiden Teachers Academy’s annual Education Festival (working language is English) will present insights on this ‘new n…

How can we make our cities greener and more people-friendly? Two Campus The Hague projects have secured a grant from the Municipality of The Hague. The researchers and students from both projects are working with city residents to find sustainable solutions to local issues.

Science is under pressure and ‘alternative facts’ are increasingly being taken as truth. On 22 April, scientists will let their voices be heard on Museumplein in Amsterdam, for anyone with a passion for science. Zsuzsika Sjoerds is co-organiser of this March for Science and explains why knowledge is…

Corinne Hofman (Professor in Caribbean Archaeology) has been awarded 15 million euro by the EU for her archaeological research on the colonisation of the Americas. She will lead the ‘NEXUS 1492’ project together with colleagues Davies (VU), Brandes (Konstanz) and Willems (Leiden).

Last Thursday, March 6, Sabine Luning passed away after an illness of more than six months. Sabine was an inspiring teacher who enthused generations of anthropology students with both the theoretical side of social science and the practice of intensive fieldwork. As a researcher, she produced innovative…

In November 2024, Dr. Hana Kubatova (Charles University, Prague) visited Leiden to talk with students and our community about academic freedom and neutrality at the university. This meaningful event was planned by student leaders from CIROS (Community for International Relations and Organisations Students)…