On 11 January 2022, the Faculty of Social and Behavioural Sciences opened the new year during a livestreamed reception. Dean Paul Wouters and Executive Director of Studies Kristiaan van der Heijden were the hosts. After several faculty prizes were awarded, our Dean expressed a new year’s resolution…

Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…

The Young Academy Leiden strives to connect young academics with each other and strengthen their position within the University. It goes without saying that mental health is a topic that cannot be ignored here. That is why that was the theme of an again successful Young Faculty Lunch, this time at the…

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

Wiebe Ruijtenberg (Law/VVI), Nadia Sonneveld (Law/VVI), Paul van Trigt (Institute for History) and Jasmijn Rana (CADS) have received a KIEM grant of € 10.000 for their project ‘Making up Migrants / Disabled: The pasts, presents, and futures of human classifying’. The grant will be utilised to organize…

Anna Notsu is a lecturer at the Institute of Cultural Anthropology and Development Sociology of the Leiden University.

Banquets for the rich, porridge for the poor and a standard diet of bread, olive oil and wine. Just a few assumptions about the Roman diet.

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Jennifer Swerida, originally from the United States, will strengthen the Faculty’s expertise on the archaeology of West Asia. ‘I explore human-environment relationships inside an ancient oasis and the surrounding land. Previous…

Last year, 15.8% of all employees of Leiden University experienced undesirable behaviour. This is one of the findings of the 2021 Personnel Monitor. ‘That number is far too high. We have to get rid of the taboo on raising this issue and addressing offenders,‘ says Martijn Ridderbos, in an open and…

Mimicking photosynthesis to produce bioplastics sustainably and efficiently. Researchers from the Institute of Biology Leiden (IBL) and the Leiden Institute of Chemistry (LIC) will assess this new approach. ‘An exciting opportunity to explore a new, appealing research topic in a collaboration between…

Humans are increasingly losing agency on social media. A team of legal scholars from Leiden University, computer scientists from other universities and civil society organisations, is conducting a study into the balance of power between Big Tech and users.

Michaël Opgenhaffen is an assistant professor at the Centre for Linguistics.

Jan-Peter Loof is affiliated to the department of Constitutional and Administrative Law since 1 July 2024.

Flor Miriam Plaza del Arco is an Assistant Professor at the Leiden Institute of Advanced Computer Science (LIACS). She obtained her PhD cum laude in 2023 from the University of Jaén (Spain), where she focused on hate speech detection using Natural Language Processing (NLP) technologies. She later conducted…

My research centers around analyzing complex system dynamics in social networks. I aim to use computational methods to identify emergent patterns and self-organization in temporal (population-scale) networks. Additionally, I advocate for open knowledge initiatives and decentralized technologies.

‘Countering violent extremism – the international deradicalization agenda’ is the name of the book Tahir Abbas published last month. In this interview the associate professor in Terrorism and Political Violence at ISGA tells about the backgrounds and goals of the book.

How do you ensure that people who have had a stroke get the right therapy at the right time? This is the question researcher Jorit Meesters wants to answer.

Prof. Sarah de Rijcke will succeed Paul Wouters as dean of Leiden University's Faculty of Social and Behavioural Sciences (FSW) from 1 January 2024. Paul Wouters will retire at the beginning of January.

Despite the promising effects of technology in assessment and treatment, the actual use of novel technologies in juvenile justice context remains limited. We want to inspire researchers to develop and investigate technological applications for assessment and treatment for justice involved youth.

Kool made a conscious choice to work for a non profit organisation. Recently, inspired by the pandemic, she also made a career switch.

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

Ariadne Schmidt is professor by special appointment of the History of urban culture, in particular of Leiden (the Magdalena Moons Chair, funded by the Magdalena Moons Chair Foundation) and associate professor Economic and Social History. She is also Chair of Education of the bachelor, master and research…

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

Tineke Schutte made her debut as beadle at Maartje Schoorl's inaugural lecture on 29 April. A unique moment because she's the first female beadle in the history of our university.

Facility

Research on flora and fauna with attention for economic interests and partnership with the local population. This is all bundled in a cooperation programme of the Anton de Kom University of Suriname and Leiden University. Working together on the basis of equality is key. ‘A thorny challenge, but one…

On Tuesday 8 November, a workshop for lecturers was held on skills that students acquire throughout their studies. The workshop was organised by KU Leuven as part of the Erasmus+ project ASSET-H.

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

Education, ICT

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Innovations only achieve true success when people actually use them. PhD researcher Max van Haastrecht developed a cybersecurity app for small businesses and learned how essential it is to align technology with real-world practice.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

The Leiden Leadership Programme is going to innovate. After 12 years, the honours track for master’s students will get a new set-up. We asked two of those involved about the ins and outs of the new LLP. ‘You learn what leadership style suits you and how to make an impact.’

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

The government spends millions regulating companies that work with large quantities of hazardous substances. But we don’t know whether this is making the industry safer. The number of violations and incidents remains constant. This is the conclusion of external PhD candidate Rob in ’t Veld in his dissertation.…

No more smelly lorries disposing of building waste or delivering building materials to the centre of Leiden. That’s Leiden University’s ambition for its future renovation or construction projects in the city centre. Electric boats should make the process cleaner and less inconvenient for the people…

What happens in our bodies when we care for children? And why are some people more caring than others?

Security

Olaf van Vliet is Professor of Economics at the Department of Economics and at the Institute of Public Administration, Leiden University. He is also Head of the Department of Economics.

Assistant professor Andrew Shield was interviewd by Norway's largest printed newspaper, Aftenposten about sex and dating apps.