Marie Robin, Assistant Professor at the Institute of Security and Global Affairs, discusses in Le 1 Hebdo, Radio France and RFI how revenge, often condemned as destructive, can also reveal what societies consider just and shape pathways toward peace.

Showing your face at dinners and parties at court: it was the way to get noticed by the king in William I's time. Joost Welten's latest book reveals how, during the reign of William I, the elite danced around his throne both literally and figuratively.

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Sara Petrollino, a university lecturer in linguistics, strongly believes that language influences the way we see the world. An NWO Open Competition (XS) grant will enable her to test this hypothesis among the Ethiopian Hamar people. ‘The idea that everyone thinks in geometric shapes is culturally de…

In a recent study, Dr. Moji Aghajani and colleagues show that adolescents with a severe form of Conduct Disorder (CD) -with limited prosocial emotions- require an unusually large amount of brain capacity to read emotional faces. These effects were found in comparison to CD youth without limited prosocial…

How do classroom demonstration experiments help students learn chemical reasoning? Marie-Jetta den Otter, PhD student at ICLON, researched this. She defends her thesis on 6 December.

Two teams of astronomers, including one from Leiden University, have discovered oxygen in the most distant known galaxy, JADES-GS-z14-0. This groundbreaking discovery shows that galaxies could form much faster in the early universe than was previously thought.

Veel Nederlanders hebben fysieke, psychische en sociale problemen tegelijk. Zij hebben hulp nodig van meerdere professionals uit verschillende organisaties. Fia van Heteren onderzoekt hoe deze professionals met elkaar én met cliënten samenwerken, en welke factoren deze samenwerking versterken of bel…

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

What are the benefits for us of collaboration with Chinese partners? What sparks off Leiden researchers' interest in collaborating with colleagues in China? Leiden University shows in three short films what joint projects are like.

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

Proving a quantum computer to be quicker than a normal one is one step closer. After a breakthrough in speeding up classical algorithms, researchers Vedran Dunjko and Casper Gyurik showed that only one quantum algorithm could beat its classical counterpart. They discuss their discovery in Quanta Mag…

The proportion of professors at Leiden University who are female has risen slightly to 32.0%. These are the results of the Women Professors Monitor 2024 released by the Dutch Network of Women Professors (LNVH). This puts Leiden University above the national average of 28.7%.

For her research on social-emotional regulation in children Michelle Achterberg on Wednesday, May 25 2022 received the Dutch Association of Developmental Psychology (VNOP) Dissertation Prize. With her PhD research, she mapped out which mechanisms play a role in social emotion regulation in childhood.…

With research on the intergenerational transmission of trauma, Tamara Compagner (right) has won the FSW Thesis Prize 2023. The thesis was written as part of the Master's in Education and Child Studies and examines the role of parent-child attachment and child personality in high-risk families.

The coronavirus crisis had a major impact on the judicial system in the Netherlands: courts closed at the start of the pandemic and instead held virtual hearings. Research now shows that things did not always go smoothly.

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Prisoners who have little or no contact with the outside world are more prone to reoffend. What makes visits so important?

Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…

Does medicine make patients feel better or worse? We are getting better at predicting this from people’s DNA profiles, says Professor Jesse Swen. ‘It never fails to fascinate me how one DNA base pair can have such a huge effect on treatment with medication and the outcome.’

The Schengen countries officially abolished border controls, but checks actually still exist. Maartje van der Woude has written a book about these veiled border controls: ‘The danger is that Schengen will have lots of borders, just not visible ones.’

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

The documentary ‘De Stem van het Kind’ (The Voice of the Child) gives an impressive insight into the work of juvenile court judges. Documentary maker Pieter Fleury, Professor of Children’s Rights Ton Liefaard and juvenile court judge Johan Visser worked together for the past seven years to make the…

An image has great powers of persuasion. It is said that ‘a picture is worth more than a thousand words’. But these days, images can easily be manipulated with severe consequences. ‘Perhaps it’s time to reconsider the value we attach to images’, says Elize de Mul, whose PhD thesis deals with ‘digital…

During her lecture, Professor Annelou van Gijn explored user-wear analysis and experimental archaeology, showing details about past human life.

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In an essay published in three prominent European newspapers, Professor Luuk van Middelaar takes a close look at Europe’s role in the Russian invasion of Ukraine. ‘Europe shows plenty of political energy, but what is still lacking is strategic cool-headedness, in facing a nuclear power.’

The percentage of female professors at Leiden University has risen to 30.2%. These are the results of the Women Professors Monitor 2021, which was published by the Dutch Network of Women Professors (LNVH). This shows that Leiden University is well above the national average of 25.7%.

A small group of Students for Palestine demonstrators occupied the Academy Building on Rapenburg in the afternoon of Wednesday 26 November. The Cleveringa Lecture by political scientist Hélène Landemore had to be moved to Leiden Law School’s Kamerlingh Onnes Building.

In recent months, a number of academics, a sounding board group and the relevant directors of education, in collaboration with Campus The Hague, have been working on the development of a new Master’s programme: Environmental Humanities. With this programme, we aimed to offer a new and necessary perspective…

SRON, the Netherlands Institute for Space Research, is holding an open day on Sunday 25 September. It has had a branch at the Leiden Bio Science Park since 2021 and works closely with Leiden University.

Practice and science show that secure residential youth care in the Netherlands should no longer be used as a catch-all solution. This is the conclusion of several professionals including Professor of Child Law Mariëlle Bruning in Dutch newspaper NRC.

With his photo of a fish trapped in a rubber glove, external PhD candidate Auke-Florian Hiemstra has made it to the shortlist for the People’s Choice Award in the prestigious Wildlife Photographer of the Year competition. The photo shows the impact of Covid litter on wildlife.

EU migrants receive less frequent and lower benefits and allowances than Dutch citizens. This is according to research by Leiden economists Olaf van Vliet and Eduard Suari Andreu published as part of the Social Citizenship & Migration research programme. The research is discussed in Dutch newspaper…

Between November 2022 and December 2023, 45 one-off and 14 structural security measures were taken for academics or university staff. This is what it says in the External Intimidation, Hatred and Threats against Academics Monitor published by the Universities of the Netherlands (UNL), the Dutch Research…

Do people actually understand the constitution? This is what Jelle But, PhD candidate at Constitutional and administrative law, wondered. To find out, he conducted a survey among 1333 respondents. His research shows that lawyers and other legal professionals actually do not have a better understanding…

Researcher Adam Lichtenheld received the ISA Distinguished Book Award for the best book in the study of international politics of ethnicity, nationalism and migration. The prize was awarded by the International Studies Association.

Researcher Yung Lin received the Young Scholar Award at the annual conference of the European Association for Taiwan Studies (EATS). She obtained her PhD in 2025 on Taiwan’s public diplomacy.

Terracotta pottery, precious ikat fabrics and the bazaars where these goods are sold: all these can be seen in a new Louvre film premiering on Friday 9 December. University lecturer Elena Paskaleva collaborated on the film Uzbekistan a timeless journey in Central Asia about Uzbek artefacts.

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…

Archaeologist Prof Bleda Düring has been awarded a prestigious ERC Advanced Grant for his research on the emergence of social inequalities in the transition from the Copper Age to the Bronze Age in Cyprus. Using excavations, isotope analysis and cultural interpretations, he investigates how and why…

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

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

How do you write a job advertisement that appeals to both men and women? This question is particularly pressing in French, where every noun has a clearly visible grammatical gender. University researcher Benjamin Storme investigated how employers can best deal with this issue.

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

Climate interventions do not lead to more climate action among Dutch, but they do raise awareness about climate change.

On 8 and 9 June, the second edition of EU Cyber Direct’s Closing the Gap conference took place at the Egmont Palace in Brussels, Belgium. This year’s edition was organized by François Delerue and Dennis Broeders as part of their participation in the EU Cyber Direct project, of which the Institute of…

During the official Faculty Opening of the Academic Year on Thursday 25 September, FSW staff and students heralded a new and inspiring academic year.