The narrow but long stretched stript of Frisian land along the North Sea was already occupied before Roman times. However, man repeatedly suffered setbacks when he tried to extend his living space, both in the tidal marshes and the peat area south of them.

On 12 April 2022 Alok Oak successfully defended a doctoral thesis and graduated.

Promotor: Prof.dr. E.F. Smets, Co-promotor: Dr. V.S.F.T. Merckx

Fathers and mothers bring children up differently. Mothers are more likely to correct children for bad behaviour, for example. This is one of the findings of PhD research by Liesbeth Hallers-Haalboom. PhD defence 7 October.

How can a society protect itself from cyber threats? Sixty talented young researchers and professionals are learning more about this at the International Cyber Security Summer School in The Hague.

What is the relationship between democracy and peace? Do the two go hand in hand, so that less democracy means less peace? Or can democracy work against peace: for example, by producing protectionist and militarist governments? Or is there something more deeply wrong with democracy as we know it, such…

Leiden University joins the Just Transitions for AMR Working Group, an interdisciplinary team of social science and humanities researchers who are exploring ways to mitigate the growing threat of antimicrobial resistance in a just and equitable manner, with due consideration to the human rights of present…

The Just Peace festival is coming up shortly. From 21 to 24 September we will be celebrating peace in The Hague with some inspiring HagueTalks, the Peace in the Park festival and the annual Peace Run.

Two documents mark the birth of Leiden University.

We are excited to announce the Just Peace Festival 2025, a vibrant platform for dialogue, collaboration, and action on the pressing global challenges of peace and justice!

Submissions are sought for a special issue with Frontiers in Political Science that explores the conceptual and practical aspects of a ‘just’ energy transition both within and beyond Europe. In particular, contributions to the theoretical and interdisciplinary foundations of just transitions, as well…

Security seems to most people a basic necessity of life, a prerequisite for a good life. But if you think about it a little longer and deeper, as political philosopher Josette Daemen has done, you realise that security sometimes comes at the expense of other important goods, such as freedom and equality.…

In an interview with Leidraad Alumni Magazine (no. 2, 2019), Marieke Liem states that it is almost impossible to compare between murders. ‘In our society we are inclined to frame murderers as monsters. Sometimes there is a very fine line between perpetrator and victim.’

In this article, Jasmijn Boeken, explores in which ways the defining characteristics of the different zones can be found in the digital sphere.

Today’s world faces large-scale climate change and other environmental disruptions. Meeting these challenges involves major adjustments to economy and society, with substantial potential for conflict and violence. This dialogue assembled leading authorities on the relationship between climate and peace,…

Since April 2023 the current war in Sudan has brought larger death, destruction, and displacement than any other ongoing armed conflict on earth. This dialogue brought together wise thinkers and excellent speakers from academia, civil society, policymakers, and youth to discuss how peace can be brought…

This was the fourth panel of the Just Peace Dialogues.

Eighty years after 1945, Europe again faces war in its own region. How to turn this tide and have sustainable peace in Europe? To discuss this question, this dialogue looked at the experience of war in Ukraine; Russia's role in Europe; lessons of Europe’s history for future peace; the values underpinning…

A consortium led by Eefje Cuppen, Professor Governance of Sustainability at the Institute of Public Administration, has been granted NWO funding for a research project looking into the social, societal, and technical aspects of the energy transition.

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

Just published:

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

The people who lived in Saqqara, City of the Dead in Egypt, died thousands of years ago, but they are not all that different from us. This is what a study by the National Museum of Antiquities in Leiden, The Netherlands concludes. If you wanted to prove that you had good taste in ancient Egypt then…

How can we monitor and protect biological and cultural diversity in Suriname best? What can we learn from local knowledge and customs associated with biodiversity? How can we understand current species, acoustical, behavioural, and ecological diversity from an evolutionary perspective? Can we predict…

This interdisciplinary project applies data science techniques to qualitatively and quantitatively visualize the interaction between the University and the city of Leiden (Town&Gown) from 1575 onwards. One of the possible angles for follow-up research is diversity, especially from the international…

The Europa Institute has been the beneficiary of a generous grant from the H.L. Wesseling Fund. The Fund was established in memory of Professor Henk Wesseling (6 August 1937 – 18 August 2018), Dutch historian, Professor of contemporary history at Leiden University, and former rector of the Netherlands…

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.

This project combines and reconsiders all the available evidence of the Scheurrak SO1, and use new archival databases and modern archaeological techniques to shed new light on the material culture of the Baltic grain trade and the Holland shipbuilding industry at the turn of the sixteenth century.

The new minor ‘The (un)just society’ will start in September 2024. We asked Judi Mesman some questions about this new minor.

Within a single generation, the digital world has changed completely: from a technical niche for ‘nerds’ to a reality that affects everyone. Cyberattacks, data breaches and system failures can disrupt essential social processes. How can we ensure that our society remains digitally resilient?

This fall, LUCIS will have the pleasure of welcoming Professor Maribel Fierro, Research Professor at the CSIC (Consejo Superior de Investigaciones Científicas, Madrid), to Leiden. She is the third Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University…

The Research Training Group “Byzantium and the Euro-Mediterranean Cultures of War” invites scholars to submit paper proposals for a series of sessions on “Perceptions of Just War in the Middle Ages” at the IMC 2025. These sessions aim to explore the diverse theological, philosophical, legal, and cultural…

Danielle Chevalier recently published a blog in UGoveRN entitled 'A just city through procedural justice'.

Professor of International Relations Daniel Thomas is clear: anyone taking peace in Europe for granted is shutting their eyes to reality.

Researchers have spent years looking for the ‘missing link’ between wolves and dogs. But many of the domesticated dogs that had been found prove to have been wolves after all. This is what vet and archaeologist Luc Janssens says in his dissertation. PhD defence on 27 June.

Parents often see that when their sweet, socially-minded children become adolescents they change into selfish 'hotel guests' who think only of themselves. But adolescents become increasingly better at weighing up one another's interests. This discovery has been made by development psychologist Rosa…

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

The Justice and AI Jean Monnet Centre of Excellence is striving to become a European hub of excellence on fairness in AI. Eduard Fosch-Villaronga was invited to explain the role of fairness in robots and AI systems.

On the day of the Dies Natalis, Rector Magnificus Carel Stolker starts his second term of office. How does he look back on the first four years, and what are his plans? These are the questions asked of him by Mayor Lenferink, student of public administation Mikal Tseggai, Professor Eveline Crone and…

This thesis aims to demonstrate how the achromatic nature and design flexibility of liquid-crystal optics can be used to improve high-contrast imaging instruments to facilitate detailed exoplanet characterization.

Egyptologist Lara Weiss is curator at The National Museum of Antiquities and has been leading the VIDI research project 'Walking Dead' since 2017. The exhibition 'Saqqara: Living in a necropolis', which will be on display at the museum starting March 10 next year, is part of the project.

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

How can you learn about women’s history if they are under-represented in historical sources? Look at news coverage of crime, says Clare Wilkinson, PhD candidate in gender and history. ‘Historical crime reporting offers a glimpse into forgotten groups.’ The doctoral defence will take place on 23 Apri…

University Lecturer Nadine Akkerman concluded her book tour for her book 'Invisible Agents' in England at the Hay Festival. At the festival, attended by almost four thousand people, Invisible Agents was one of the most discussed books and caught the attention of the national newspaper and The Times.

Once a year, former employee and avid runner Dennis Hoencamp returns to his old workplace. That’s when he competes in the Leiden Science Run. As an event coordinator, he once devised the relay race as an anniversary activity. It grew into an annual event for the entire University and the Bio Science…