A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

‘It was a complete surprise to me to find the Emerald Citation of Excellence certificate in my pigeonhole,’ says Natascha van der Zwan. Her article ‘Making sense of Financialization’ has received an honourable mention from Emerald Publishing because it is used all over the world for research and edu…

If three or more objects move around each other, history cannot be reversed. That is the conclusion of an international team of researchers based on computer simulations of three black holes orbiting each other. The researchers, led by the Dutch astronomer Tjarda Boekholt, publish their findings in…

It's pretty hard to spot a single 5 nanometer particle. Leiden physicists pulled it off by turning a 120 nm gold rod into a detector.

Are maps objective or do they convey hidden messages that you would miss at first glance? A map is always a simplification of reality. Mapmakers reduce, distort and select. This allows the reader to be guided literally and figuratively. Leiden University Libraries (UBL) and the Museum Volkenkunde jointly…

Jongeren kiezen vrienden met een vergelijkbare achtergrond, zoals etniciteit en gedrag. Dit concludeert pedagoog Janna Fortuin in haar promotieonderzoek.

Arco Timmermans is Professor by special appointment Public Affairs at the Institute of Public Administration. On Dutch television programme 'EenVandaag', he discussed the remarkable changes that have been made in a report on lung cancer in and around the Dutch city of Beverwijk that was presented by…

First-year Public Administration students write consultancy report for municipality The Hague

Leiden University is partner of the Netherlands Centre for One Health (NCOH). This initiative brings together leading academic research institutes in the Netherlands in an open innovation network that responds to the theme: One Health. NCOH interviewed Doris van Bergeijk: PhD student of the project…

The Dutch phrase ‘ijs en weder dienende’ (literally, ‘ice and weather serving’) is a good example of what is known as a participle clause and is perhaps one of the most unfathomable grammatical constructions in Dutch. For what (or who) is serving whom (or what)? It actually means ‘ice and weather permitting’.…

Young children exhibit more aggressive behaviour if their nervous system fails to respond adequately to stress situations and if they are exposed to risk factors such as smoking or psychological problems experienced by the mother during the pregnancy. This is the conclusion of PhD candidate Jill Suurland.…

Yuvraj Birdja converted CO2 to formic acid to store energy in a sustainable way, with different catalysts. With this new knowledge, scientists are a step closer in industrially converting CO2 to chemicals and fuels. This can help reduce CO2 emission and the greenhouse effect.

Since the end of the nineteenth century Arabic book designers have influenced the social and cultural situation in the Middle East with their work. Huda Smitshuijzen Abi-Farès has written the first global overview of this neglected field of science. PhD defence 10 January.

American foreign policy in the period after the Second World War is often characterised as liberal. This is, however, not the full picture, argues university lecturer Andrew Gawthorpe. He has been awarded a Vidi grant to research and rewrite this popular narrative.

Many of the language rules we use today were formulated in the 17th and 18th centuries. In a dual track at the universities of Leiden and Brussels, PhD candidate Eline Lismont investigated why some rules became successful while other rules were quickly forgotten.

In 2014 Russia entered Ukraine and occupied Crimea, and about two and a half years ago it began a large-scale invasion. For Ukraine, it’s a war. But Russia calls it a ‘special military operation’. Word choices of this kind affect how people look at issues. A Dutch Research Council (NWO) project led…

'How do you write a slogan to win an election?' Steven Ooms answers this question in his PhD research into ideas about good prose in the time of Caesar and Emperor Augustus. This period is considered a high point for the development of literature. The Roman Cicero and the Greek Dionysius of Halicarnassus…

What makes young people susceptible to misinformation? And how do their friends influence this? Psychologist Jiemiao Chen aims to find out by using eye-tracking to monitor where young people focus their attention while watching TikTok videos.

The latest forum in the Hague Journal of Diplomacy highlights the rich potential for interdisciplinary research at the intersection of architecture, diplomacy, and international relations. These contributions, spanning from the early American republic to the contemporary era, reveal how diplomatic spaces…

Mayors have to do with a society that polarises, politics that change more than ever and a fragmented administrative field of influence. Nikol Hopman and Saniye Celik wrote an essay about this.

The "Cognitive Turn" and the Middle Ages - There is an increasing interest in the cognitive sciences and how knowledge from this area influences literary studies, history, art history, and studies in material culture. This meeting seeks to discuss the possibilities, but also the limitations of incorporating…

Barend Barentsen, Professor Labour Law, talked about the local public transportation strikes in the Netherlands with Omroep Gelderland.

The Amsterdam media played a major role in the rise and fall of Dutch Brazil, the colony held briefly by the Dutch West India Company in the 17th century. This is the conclusion reached by Professor of Maritime History Michiel van Groesen in his book ‘Amsterdam’s Atlantic’.

The ‘Leids Universiteits Fonds’ (LUF) award grants to research and educational project in various academic fields once a year. This year, Honorata Mazepus, Tanachia Ashikali, and Jaroslaw Kantorowicz of the Faculty of Governance and Global Affairs were three of the recipients of such a grant.

What happens to children of extremist parents? Commissioned by the Scientific Research and Documentation Center (WODC) of the Ministry of Justice and Security, four ISGA researchers, Layla van Wieringen, Daan Weggemans, Katharina Krüsselmann and Marieke Liem, wrote a report on the nature and extent…

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

To what extent does human intervention influence the world’s biodiversity? And can we predict how biodiversity and ecosystems will change in the coming years? Inaugural lecture by Peter van Bodegom, Professor of Conservation Biology, on 8 May.

On 2 September 2019, the Constitutional and Administrative Law Department of Leiden Law School and Review of European Administrative Law REALaw are organising a Conference on the Europeanisation of national administrative law through general principles of law: from resistance to voluntary adoption. Subsequently,…

Almost all the members of the Dutch House of Representatives, ministers and government officials are university educated. At the same time, the large majority of the electorate have a lower level of education, or even no education. How much of a problem is that? Two new books warn about this gap in…

Mountains of pepernoten, shelves full of chocolate letters and adverts showing the perfect Christmas table. With the holidays approaching, supermarkets are trying to entice us to buy all sorts of treats. Cognitive neuropsychologist Judith Schomaker researches how by directing consumers’ attention, you…

After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

It does not happen very often that a research project for a second-year bachelor's course gets turned into a proper academic paper. But International Studies students Pia Kurz, Coleen Gonner and Monika Bartnicka did just that. How did they manage it?

The Dutch polder model has provided stability and administrative calm for many years, but is it still resilient enough to withstand the dynamics of today, or is it ‘too rigid’?

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

What is the influence of non-hereditary factors on our health, such as lifestyle, diet and exposure to harmful substances? The Exposome-Scan project, led by Leiden professor Thomas Hankemeier, has been awarded 3.2 million euros from the NWO Investment Grant Large programme to answer this question. With…

As part of the NEXUS1492 project, this project will use ancient DNA techniques to shed new light on the demographic and health history of the Caribbean and the impact of European colonization on indigenous communities in the region.

How should European financial law best integrate considering the interaction of the relevant legal systems?

What was the function of the Dutch Protestant Church in Sri Lankan society? Why did people relate to the Church and how did conversion influence their life course?

The African Studies Centre Leiden’s Research Programme for 2025-2029 is called ‘African Trajectories: Past Dependencies and New Directions’. Building on its former programme, it extends the recognition of Africa’s pivotal role in world affairs. The continent’s global significance has become increasingly…

This research project studies the distribution and impact of medieval malaria in the Netherlands.

How is law shaped by and shaping social, political and economic change in Indonesia?

(1) What are the institutional factors that influence AI adoption and implementation? and (2) How does AI reshape the exercise of administrative discretion within public organisations, and how do adoption and implementation choices moderate these effects?

In countries with complex domestic situations, citizens have little opportunity to exercise influence on governance and policy. Leiden academics research these situations and share their insights with the public, such as in Nigeria for instance. This enables the people and their communities to improve…

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

If a society is to be secure, sustainable and resilient, conflicting interests must be reconciled. Researchers at Leiden University study the behaviour of individuals, groups and states in relation to this issue, and use their knowledge to promote equality within and between communities.

Many of the big challenges of the 21st century (climate change, international migration, financial instability, socio-economic inequality) find their origins in the organisation of the global economy. Any solution to the world’s big challenges therefore requires forceful policy interventions at the…

The research project MAXCAP: Maximizing the integration capacity of the European Union: Lessons and prospects for enlargement and beyond starts with a critical analysis of the effects of the 2004-2007 enlargement on stability, democracy and prosperity of candidate countries, on the one hand, and the…

Past, Present and Future of Nubian Communities in Sudan

You often hear that the public find court sentences too short. Professor Jan de Keijser emphasises that the gap is reduced if the public is given more information about a case and the sentence.