On Tuesday 30 September 2025, PhD candidate Kathleen Brown will defend her dissertation 'Deception, Risk, and Evasion: The Politics of Sovereign Debt in Emerging Markets' in Leiden’s Academy Building. Her research sheds light on the hidden world of sovereign debt politics, revealing how governments…

Mums posting photos and videos of their child on Instagram and TikTok and also earning loads of money doing so. Kidfluencers, momvloggers and familyvlogs are very popular, in the Netherlands too. But the lack of legislation regulating these activities means that these children are barely protected.…

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. The authors describe what the emotion Schadenfreude really is, when people experience the emotion, and what role it plays in social relations.

In my research, I focus on cooperation, social dilemmas, tacit coordination, uncertainty, sanctions and trust.

How can we understand the material instability of photographic (mixed media) artworks (1960s - present) from an integrated approach of Art History, Conservation Science and Chemistry in order to preserve these works for the future?

-

On 4 March 2016, Melanie Fink presented her PhD research on legal accountability for human rights violations occurring during Frontex-coordinated joint border control operations at a workshop for recipients of the DOC scholarship of the Austrian Academy of Sciences.

Pavel Durov, CEO of chat and messaging app Telegram, was arrested in France last week. The Russian tech billionaire flew into Paris by private jet and was arrested on suspicion of cybercrimes. Telegram allegedly facilitates criminal activities such as money laundering. This raises the question of how…

The aim of this project is to develop accurate but interpretable ensemble learning methods for high-dimensional multi-domain data.

Young Academy Leiden has conducted a survey among young academics of Leiden University.

The available tools for academic literature search return a list of ranked documents, which might not be ideal for some tasks. To facilitate these tasks, I am creating a visual representation of the academic search space where the user can browse academic topics.

Migrants are expensive. Or are they? Professor Olaf van Vliet collaborated on a big research project from Leiden University to map the costs of migration. During the last episode of this season of the podcast Open Geesten (Open Minds), he talks about the initial results. Do migrants really put a lot…

On the occasion of the Women & Girls in Science Day, BBC Science Focus Magazine highlighted 6 prominent female chemists. Among them is Leiden professor Ewine van Dishoeck: 'Astrochemist investigating the building blocks of life'.

It’s often said that citizens have lost trust in their governments. But who exactly are these ‘citizens’? And which aspects of people’s contact with government agencies work better than others? These questions will be discussed at the Crafting Resilience conference (working language is English) on…

Leiden University is the oldest university in the Netherlands and enjoys an excellent worldwide reputation, built on more than four centuries of outstanding teaching and research. The university has two locations: Leiden and The Hague. Our Science for Sustainable Societies programme is located in Le…

Leiden archaeologists appealed for help from volunteers to search for archaeological remains on satellite images of Utrechtse Heuvelrug, a national park close to Utrecht. The outbreak of the corona virus made the project a resounding success: in a single month, all 300,971 maps had been examined. 'That's…

For associate professor Jenneke van der Wal, things have been good recently. After being awarded a Vici and Una Europa grant, she has now also received an Ammodo Science Award. ‘It is a nice confirmation that I am doing valuable work.’

This project investigates the transposition of natural historical material, knowledge and vision, between different media (collection, scientific drawing, academic texts, the visual arts and/or literature) – a transmission that happens in the borderline between the traditional, emblematic worldview…

European integration is under pressure. At the same time, the notion of a European administrative space is being explicitly voiced. But does a shared idea of the public servant exist in Europe?

Res Publica is a Dutch language journal for political science, public administration, European and international politics, political sociology, and communication science.

In the ESOF2022 mini-symposium organized by the Social Resilience & Security programme, international experts with a background in psychology, philosophy, and law discussed how the online world is related to adolescent mental health issues, moral and emotional awareness and children’s rights. In three…

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

As far as Daniël Pijnappels, Professor of Cellular Electrophysiology, is concerned, both researching and inventing are essential for a scientist.

The Leiden Healthy Society Center is a joint initiative of Leiden University's Faculty of Social and Behavioural Sciences and Leiden Municipality. The LHSC brings together wide-ranging knowledge, initiatives, and issues related to health and well-being in Leiden, and stimulates and facilitates cooperation…

To be eligible for Governance and Sustainability at Leiden University, you must meet the following admission requirements.

Political scientist Simon Otjes (Leiden University) receives a grant from The Dutch Research Council (NWO). The grant is part of the SGW Open Competition XS, which aims to stimulate innovative scientific research within the Social Sciences and Humanities domain. Otjes receives the grant for his research…

We are pleased to invite abstracts for the conference ‘H2OLAW – Law-Science Interfaces within the Law of the Sea and Fresh Water Law’ hosted by the Grotius Centre for International Legal Studies, Leiden University. The conference will take place on 26 and 27 September 2024 at Leiden University in the…

A newly opened museum in China appears to be devoted to the origins of the Austronesian-speaking peoples, who some 5000 years ago spread from East Asia across the Pacific, seeding it with a distinctive culture and some 1200 languages. But those displays are also a statement in the long-running dispute…

From 27 to 31 January, a workshop on the regulation of plastic pollution based on scientific evidence will be held at the Lorentz Center in Leiden.

On 10 December 2024, the European Parliament played host to an insightful presentation of ‘Protecting Democracy in Europe: Pluralism, Autocracy, and the Future of the EU’, the new book by Tom Theuns, Assistant Professor at Leiden University. Hosted by MEP Thijs Reuten (PvdA/S&D) and his team, the event…

Political philosopher Nicholas Vrousalis (Leiden University) has been awarded a EURIAS Fellowship at Aarhus University’s Institute for Advanced Study (AIAS). From from 1 October 2018 to 31 July 2019 Vrousalis will work at the Danish research institute on his project ‘Inequality against Freedom: Economic…

Social media gives people a voice but also fuels online hate, especially against marginalised groups. PhD candidate Eva Nave: ‘While end-to-end encryption protects activists, it also enables criminal activity, creating a more accessible version of the Darkweb.’

'Reworking Culture is based on the author’s ethnographic engagement with people in and around the village of Sadolpara in the West Garo Hills in highland Northeast India (HNEI), where he conducted more than 20 years of fieldwork.'

It is often said that the true character of a person is only revealed in a crisis. In these days, the coronavirus causes concern about the true state of the multilateral system. Political scientist Gisela Hirschmann (Leiden University) is worried about the future of multilateralism.

Jessica Vance Roitman and Wouter Veenendaal, researchers at the KITLV/Royal Netherlands Institute of Southeast Asian and Caribbean Studies, investigate the origins, development, and consolidation of political oligarchy in the Caribbean island nation of St. Maarten.

Political scientist Nicolas Blarel (Leiden University) analyses the background and implications of India’s prime minister Narendra Modi’s visit to Israel.

In online games conflicts between players may arise. Novin, Bos, Stevenson and Rieffe investigated factors that may explain why some adolescents react more angrily than others in this type of situation. In their realistically designed gaming environment, the (pre-programmed) fellow player suddenly started…

The article Sing with Me, Sing, Brother, of América by Sing with Me, Sing, Brother, of América Benjamin Fogarty-Valenzuela is published in Current Anthropology Volume 62.

Unconstrained day-to-day activities are difficult to quantify and how the corresponding movements shape the brain remain unclear. Here, we recorded all touchscreen smartphone interactions at a sub-second precision and show that the unconstrained day-to-day behavior captured on the phone reflects in…

Contraband and forced recruitment: How rebels' exploitation of natural resources can increase their willingness to forcibly recruit children.

How can we explain that Caribbean small states have the most stable two-party systems in the world, while Pacific small states have either very weak parties or no parties at all? Matthew Louis Bishop (University of Sheffield, UK), Jack Corbett (University of Southampton, UK) and Wouter Veenendaal (Leiden…

This case study (in French)—conducted as part of the NWO/Clingendael Institute project ‘Plural Security Insights’—highlights how the dilemma of security provision in Tunisia is part of a crisis of trust between society and state institutions.