When you think of physics, do you think only of complicated formulas? You’re not the only one. Therefore, every year, the Leiden Insitute of Physics organises the LION Image Award to show another side of physics: beautiful images about intriguing science. The winner of the 2022 photo competition captured…

North Korean workers designed and built numerous monuments, museums and other buildings in southern Africa. This is clear from research by history student Tycho van der Hoog for his master's thesis. These monuments can be an important source of income for a country that has become quite isolated on…

PhD defence

PhD defence

This week the Turkish army invaded North East Syria. The Turkish invasion might well have had an unintended side effect: the escapement of thousands of Islamic State terrorists held in captivity. Experts on terrorism and politicians fear a resurrection of the terror group.

Reports from Quebec media show the French-Canadian far-right organisation La Meute dealt itself another self-inflicted blow this week, with several club executives being forced out of the group and having a former co-founder, Patrick Beaudry, publicly declare ‘the ship is sinking.’

How can you increase the effectiveness of inspectors using responsible artificial intelligence (AI)? This is the question the Innovation Center for Artificial Intelligence (ICAI) Lab AI4Oversight is tackling. By developing algorithms and methods, they try to provide optimal support for, for example,…

At present, the cabinet still maintains that all provinces are motivated to cooperate with the sensitive issue of the nitrogen strategy. However, there are major concerns that the political landscape will look very different once the elections for the Provincial Councils on 15 March have been held.

After 2 years of planning, designing, testing and adjusting, the brand-new low-vibration physics lab at the new Gorlaeus Building of the Science Campus is working like a charm and ready to make its mark in the world of science. Also, the renewed facility for the production of liquid helium is all do…

Cases have been brought against YouTube and Reddit for spreading conspiracy theories. They are accused of being behind the radicalisation of a man who took the lives of ten black people in Buffalo, New York, almost two years ago. But can they be held liable? Michael Klos discusses this in 'Trouw'.

Met een openingswoord, een paneldiscussie op de Spaanse Trappen in Wijnhaven en een druk op de rode knop voor het gebouw zelf, is POPcorner The Hague donderdagmiddag officieel geopend door rector magnificus Hester Bijl.

kernvisie bruist

An international team of researchers with Pascale Ehrenfreund from Leiden University has discovered that the dust particles of comet 67P/Churyumov–Gerasimenko are made up of even smaller particles. This discovery confirms that clumps of dust form the basis for comets and planets.

This weeks marks the 10th anniversary of the European Research Council. For the past decade, the council has contributed to many scientific projects all over Europe, including Leiden University. It has funded almost 7,000 researchers, leading to just short of 100,000 scientific articles. A total of…

Professor Maurits Berger is presenting an online course, starting on 6 November, on the images that Islam and the West hold of one another. The course will be useful for diplomats from Teheran to Islamabad.

Anne Marieke van der Wal-Rémy recently joined the Institute for History as a lecturer in International Relations. She introduces herself.

Health Day has won the LUF Relationship-Promoting Activities Prize (LUF RAP). This 5,000-euro prize is awarded to an initiative by Leiden University students that brings the academic community together.

Soil salinity is affecting large areas in the world and millions of farmers are faced with decreasing yields and many are even forced to migrate . Dutch scientists (Prof Dr. Gerrit van Straten (Wageningen University), Prof. Dr. Peter van Bodegom (Leiden University), Prof. Dr. Jelte Rozema (VU University…

Op dinsdag 11 februari 2020 verdedigde Clara van Dam haar proefschrift ‘Guidance documents of the European Commission in the Dutch legal order’.

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, in conversation with the NOS, warns to remain alert despite the reduced threat level for terrorism.

Leiden Child Law Department at Leiden University in the Netherlands formally entered into a Memorandum of Understanding (MoU) with the African Child Policy Forum (ACPF)

Past objects offer a wealth of information about life in earlier times. Loe Jacobs is an expert in making earthenware objects, using the same methods and means used in earlier times.

As children learn, develop and acquire more skills, their legal position also changes. Professor of Children’s Rights Ton Liefaard works closely together with Leiden social sciences researchers to shed light on these growing capacities and their implications for our legal system. ‘Our ideas about children’s…

Considering Mesoamerican Precolonial books as material objects

A History of Dutch Corruption and Morality showcases 300 years of change, continuity, and diversity in the history of Dutch political corruption and public morality. It analyses a series of corruption scandals and shows how the following debates were connected to the big changes of that time: from the…

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

In his dissertation Gabriel Paiuk explores the variable ways in which what is heard is formed. To address this, he postulates a novel concept of sound image in a post-anthropocentric context in which both mind and material artefacts are instances across which the image occurs, rather than hosts on which…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

This collaborative project aims to explore the history of the concept “barbarism” in Europe from the 18th century to the present, with a particular emphasis on the role of literature and art in the concept’s shifting functions.

What was the social function of the colonial civil law courts in eighteenth-century coastal Sri Lanka? Why did people choose to have their disputes settled by Dutch law courts?

Description of Development of a low cost technology for in-situ treatment of groundwater for potable and irrigation purposes (TiPOT) (2004 - 2007)

SAILS (Society, Artificial Intelligence and Life Sciences) is a universitywide initiative aimed at facilitating collaboration across disciplines on the use of Artificial Intelligence (AI). It is one of Leiden University's interdisciplinary programmes.

How and why governments engage with civil society as well as how civil society organizes itself and exerts political influence constitute the key focus of the research programme Public Governance & Civil Society. As such, this research programme offers unique expertise within the field of public administration…

If we want to solve global problems, we need to know about both the theory and the practice. How does the international community make decisions about military intervention, for instance? Why is it such a complex process? Professor Herman Schaper has represented the Netherlands at the United Nations…

Diplomatica: A Journal of Diplomacy and Society addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation.

Subproject of

The dissociative chemisorption of a molecule on a transition metal surface represents a rate-limiting step in many heterogeneously catalyzed processes, whereby most chemicals are made. In spite of the importance of this reaction, an accurate first principles approach to modeling it does not yet exist.…

Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)

Human trafficking is a very topical social problem, which because of both its social and legal complexity, can only be studied in an interdisciplinary way. Combating human trafficking currently features high on national and international policy agendas.

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

Key research articles and book chapters of the Chromatin group.

Exponential population growth and rapid urbanisation are prompting the development of gigantic African metropolises that must be supplied with resources such as food, water and energy. This creates economic opportunities, drives migration and presents political challenges. Researchers from Leiden combine…

The nanoscale structure of a catalyst under reaction conditions determines its activity, selectivity, and stability. For the production of sustainable energy and materials, new catalysts are needed. By understanding the structure-activity relationships of catalysts under reaction conditions, insight…

The LGBT+ Network offers a platform for all lesbian, gay, bisexual, transgender and queer staff and students at Leiden University.

Together with members of indigenous communities Leiden researchers preserve and disseminate philosophical, historical and medical knowledge.

A new special issue on translation and the cultural Cold War sheds light on the understudied and yet important role of translation in cultural transfer.

With our research and teaching, we help make the world a better place. We join in the academic and public debate, and seek answers to economic and social issues – not just at the local and regional level but at the global one too.

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.