Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

The Netherlands returned 478 artefacts to Indonesia and Sri Lanka this week, on the advice of a Dutch committee. Rightly so, says Leiden professor Pieter ter Keurs from the Museums, Collections and Society interdisciplinary research programme. ‘But do make it clear why you are returning something.’

Last week we were informed that Prof. A. Hordijk, emeritus professor at the Mathematical Institute, has passed away. Arie Hordijk (1940) came to the Universiteit Leiden in 1976 and has been a professor of Mathematics of Operations Research at our institute until his retirement in 2005.

How wonderful would it be to use art, technology and science in Ukraine's recovery? Young Ukrainians currently residing in Poland get guidance to develop creative programmes and activities that can later be implemented. Leiden astronomers Pedro Russo and Kateryna Frantseva cooperate in the project.

On 1 January Minna Valjakka was appointed Professor of Contemporary Art History and Theory from a Global Perspective. Valjakka sees her appointment as 'extremely topical' because of the discussions about the decolonisation of the arts: 'Art teaches us not just about art, but also about contemporary…

According to Nivja de Jong, second language acquisition is 'the most fascinating subject in linguistics'. As a recently appointed professor of Second Language Acquisition and Pedagogy, she studies the question of how best to teach people a new language.

How do you compare the living environment of Dutch dairy cows with that of Masai cattle in East Africa? And how can we reverse biodiversity loss? These questions are central to CurveBend, an international research consortium in which ecologist Michiel Veldhuis plays a key role.

In a new article, four PhD candidates call for methodology to be explicitly stated in tax studies and practice. ‘Our hope is that explicit methodology will become more prevalent and even standard in the future.’

Graduation Ceremony of the LL.M. Advanced Studies in International Children’s Rights 2024–2025

Parents appear to be extremely sensitive to feedback they receive about their child. Just how sensitive depends on the (‘rose-tinted’) glasses through which they look at their child. All this can be seen in the brain. Neuroscientist Lisanne van Houtum and her Leiden colleagues published on this issue…

John van den Dobbelsteen’s work is all about using medical technology to reduce the workload and increase the job satisfaction of healthcare staff.

An international team of astronomers has discovered a large reservoir of hot gas in the cluster-in-formation around the Spiderweb Galaxy. Based partly on that hot gas, the astronomers predict that the cluster-in-formation will grow into one of the largest objects in the universe. A step closer to discovering…

Organisation

Frank van der Horst is per 1 februari 2026 benoemd tot bijzonder hoogleraar Pedagogische Wetenschappen.

How can young people grow up successfully and contribute to the present and future society? The consortium that is researching this will receive 22 million euros within the scope of the Gravitation programme.

Research by The Young Academy on the length and intensity of the Dutch academic year has given us food for thought. Do our staff have enough time and space to conduct research? And do we ask too much of our students? The Ministry of Education, Culture and Science asked us universities to think about…

Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.

On Friday 5 February 2021 the online conference of the Dutch Platform of Empirical Legal Studies (ELS) took place. This conference served as a platform to bring young, enthusiastic and driven ELS scholars together in a research community and enable them to learn more and discuss about empirical research…

If it is up to university lecturer Evelien Walhout, in a year's time we will know exactly what people from Haarlem and Zwolle died of a century ago. Together with colleagues from other universities, she started the doodsoorzaken.nl platform, where causes of death are recorded. ‘Somewhere around the…

Leiden criminologists have co-developed an artificial intelligence technology that tracks firearms incidents by scanning over 350 news sources.

A team of Leiden researchers has won the Ammodo Science Award for innovative humanities research on perceptions of cultural heritage.

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

Citizens still see great value in science communication and want to be increasingly involved in science. This is evident from research by the National Expertise Centre for Science & Society (NEWS) and researchers from the Science Communication and Society department at Leiden University.

Hybrid Workshop: In person and online on 26 – 27 January 2023.

Without electronics carrying out computational tasks our daily lives would look very different. Devices such as elevators, vending machines, turnstiles, washing machines and even traffic lights use a simple form of electronic computing to switch from state to state. But, what if power supply is not…

On 27-28 January 2022, Leiden University’s interdisciplinary seed grant programme ‘Beyond Anthropocentric Interests and Values? Human Rights and Climate Change’ will host a conference on human rights and climate change. Researchers are welcome to join and contribute their view. The deadline for the…

Bastiaan Rijpkema has been appointed Professor by special appointment of the new chair Tolerance at the Faculty of Humanities with effect from 1 July 2021. The chair was established by Stichting Leerstoel Uytenbogaert.

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

Researchers and policymakers are welcome to attend the AI & Society Conference in The Hague on Friday 23 June. The SAILS interdisciplinary research programme will be taking a nuanced look at the state of the art of AI technology. And offering fresh perspectives.

New! Participate in vital activities during our Healthy University Let’s Walk Week (March 1-5) and challenge your colleagues in our organization wide walking competition using the Ommetje-app!

Library, Research

Optimised antibiotic combinations can combat bacteria more effectively while also slowing the development of resistance. Scientists from five European countries are joining forces to identify such combinations and provide tools for others to do the same. The project is led by Professor Coen van Hasselt…

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title "We Are the Times: History in Times of Crisis", De Graaf will explore how history is used during crises to give meaning to the times.…

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

From 7-9 June 2023 Global Transformations and Governance Challenges (GTGC) organises its second international conference in The Hague. Deadline for submissions: 15 February 2023.

On Friday 12 November 2021, the Net Zero Space initiative was launched at the Paris Peace Forum. The International Institute of Air and Space Law (IIASL) of Leiden University is one of the first supporters to the initiative.

A suitcase as a messenger of quantum science. That is the idea behind QuanTour, a project connecting researchers from 12 European universities. In December, the suitcase landed in Leiden. A month later, it is time to pass the baton to Copenhagen. But what happened to it in Leiden?

Simon van Hoeve is a student of the master’s degree programme International Relations. Every week, he makes a podcast episode for his study association, in which he discusses topics related to his study programme with his guests.

Why are mycobacteria such successful pathogens? And are there defence mechanisms in the body that help reduce an infection? To find out, Annemarie Meijer has been awarded the NWO Open Competition ENW-XL grant. She will not explore this quest alone. Five other leading Dutch research groups are participating…

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.

How can we work together to create a safe study and learning environment and offer students the support that they need? The Vision on Student Well-Being outlines the University’s plans to promote student well-being in the coming years.

How to strengthen mutual trust between agencies in the criminal justice system and youth with a migration background or weaker socio-economic position. The Netherlands Science Agenda has awarded 1.5 million euros to a consortium to find out.

First inaugurated in 2018, the CADS PhD Conference aims to provide young anthropologists in Leiden University and beyond an opportunity to meet each other, present their work, and engage in meaningful discussion. This year, the CADS PhD Conference will be a platform for sharing ideas and insights about…

Gijsbert Rutten has been appointed professor of Dutch Linguistics with effect from 1 July. In this position, he will focus on language change and language variation, with a particular emphasis on historical sociolinguistics.

Wolves in the Netherlands mainly feed on wild animals such as wild boar and red and roe deer. But in areas such as Drenthe where these are scarce they also prey on free-roaming cattle used for nature conservation

Library, Organisation, Research

There should be more social meeting places on our campus. That's one of the outcomes of to the second brainstorming session on the strategic plan. On Tuesday, education and the campus took centre stage during the meeting in Corpus. Professor and programme director Miranda van Eck and student assessor…

It was more than two years in the making, but despite the delays, giving up was not an option. In May, eighteen staff members of LUCAS and the Faculty of Archaeology visited NIMAR.