In this article, Martin Sievert and Jonas Bruder investigated whether and how administrative burdens influences citizens' perceptions of welfare policies and attitudes towards beneficiaries.

Recently, studies have shown the similarities and differences in sources of meaning between religionists, ‘nones’ and atheists (see several studies of Schnell and others). The present study that will be conducted in three European countries tries to clarify the relationship between meaning giving and…

Lecture

Genetically modified organisms (GMOs) could be useful allies in the fight against critical environmental problems. Could because the use of GMOs is strictly regulated at the moment. A Leiden student team is now trying to make these GMOs safer with the aid of an ingenious lock.

Neanderthals at Pech-de-l'Azé I in South Western France had a striking use for manganese dioxide 50,000 years ago.

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…

Leading scientists in the field of the ethics and philosophy of technology are currently revising time-honoured key philosophical concepts such as autonomy, justice and responsibility, as these concepts are being challenged as a result of new technological developments. They receive 17.9 million euros…

In the CSM-elective ‘Governance of Crime and Social Disorder,’ Dr. Elke Devroe challenges her students to engage in an interactive group role-play on various themes related to the governance of crime. During this exercise, each group of students brings to life a sensitive security topic – such as mass…

Tracing the residues of Neolithic activities through the study of stone artefacts

The life of a fibroblast is heavy, but PhD student Julia Eckert makes it 19.5 times heavier, using the Large Diameter Centrifuge at the ESTEC space research centre in Noordwijk.

Within the same species of butterfly many different wing patterns can occur. How is this possible? According to researchers Ben Wielstra and Emma Berdan, of the Institute of Biology Leiden (IBL), the answer lies within supergenes. A supergene is a part of a chromosome that contains many strongly linked…

One of the ambitions of the Learning@LeidenUniversity vision on teaching and learning is to foster an international and inclusive educational community in which everyone feels welcome, regardless of religion, sex, sexual orientation or cultural background. One student service that promotes inclusion…

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…

This project contests the assumption of criminologists that gender differences in recorded crime are static over time and that women are in general less likely to commit a crime than men.

Sander van Kasteren (Professor of Molecular Immunology) makes the invisible visible. He will explain more in his inaugural lecture.

Leiden University is working on sustainability and should give its efforts more publicity. This is the conclusion of Industrial Ecology master’s students who investigated the extent to which Leiden University is green and sustainable.

Four Master's students Science Communication & Society made two podcasts on the theme Plastic for the end project of their study programme. With the podcasts, they helped the Institute of Biology Leiden (IBL) to draw attention to plastic pollution. And that was harder than it seemed. 'Be sure to test…

Past, Present and Future of Nubian Communities in Sudan

Moritz Jesse, associate professor European Law at the Europa Institute Leiden, delivered a lecture on the Social integration of third-country nationals.

How is social cognition shaped by our knowledge of language and stories?

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.

Olaf van Vliet is Extraordinary Professor of Comparative Welfare State Analysis at the Economics department and the Institute of Public Administration at Leiden University. ‘From an electoral point of view, it is much more interesting to do things for people aged 66 and upward than it is for people…

An international team of astronomers, including Professor Koen Kuijken, has published a series of online articles presenting the first results of a major search for dark matter. Never before have researchers been able to chart so precisely the characteristics of groups of galaxies and their dark matter.…

Connecting Agriculture, Crafts, Construction, Transport, and Resilience Strategies

The youngest institute of the Faculty of Science has had a real growth spurt in recent years. It is up to Martina Vijver as the brand-new scientific director to secure that growth and further develop CML. 'This is a challenge that I am really looking forward too,' says Vijver. 'Together with my colleagues…

The availability of natural resources, the energy transition, the importance of circularity and our dependence on China. This and more is what Professor of Industrial Ecology René Kleijn's inaugural lecture is about.

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

The research contained in this dissertation explores the origins of fire making in prehistory, focusing primarily on the fire use practices and fire production capacities of Neandertals.

A growing amount of literature is being devoted to interrogating gendered dynamics in both violent extremism and terrorism, contributing to the integration of international and feminist security. This includes how such dynamics can shape differences in the motivations and participation of women and…

In 2018, Sorensen’s research into the fire-making habits of the Neanderthals reached the headlines all over the world. Now, a Veni grant will enable him to continue his fire-related investigation, focusing more on our own distant ancestors.

Regular users of cannabis are less aware of their own mistakes, and they are not good at creative thinking. This is the conclusion drawn by psychologist Mikael Kowal from his research on the effects of cannabis. PhD defence 6 October.

In line with tradition, the opening of the academic year will see the presentation of the LUS Teaching Prize to the University's best lecturer. Get to know the nominees. This week: Kim Beerden.

The enormous adaptability of the cholera bacterium explains why it is able to claim so many victims. Professor Ariane Briegel from the Leiden Institute of Biology has now discovered that this adaptability is due to rapid sensory changes in the bacterium. Publication in PNAS.

A team of laboratory astrophysicists from Leiden University managed to make glycerol under conditions comparable to those in dark interstellar clouds. They allowed carbon monoxide ice to react with hydrogen atoms at minus 250 degrees Celsius. The researchers publish their findings in the Astrophysical…

Professor of Catalysis and Surface Chemistry Marc Koper has been appointed as member of the Koninklijke Nederlandse Akademie van Wetenschappen (KNAW). 'Very honourable, I see this as a confirmation of my work,’ says Koper.

The BOCA project explores new forms of communicating academic knowledge as a way to strengthen the connection between the university and society.

‘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.

The trustees handling the bankruptcy of Dutch GP chain Co-Med are facing difficult dilemmas. Who is first in line: patients, employees or creditors? Assistant Professor Jessie Pool, an expert in insolvency law, calls for insolvency procedures that are better geared to this type of bankruptcy.

My research project focuses on the development of a popular national agency in late nineteenth century Amsterdam and the question how ‘ordinary’ citizens imagined ‘the Netherlands’ through the experience and use of their urban surroundings.

What happens in young people's brains when they win money for someone else? Psychologist Elisabeth Schreuders has shown that the brain responds differently according to the type of friendship and that the response is strongest with stable relationships later in adolescence. PhD defence on 6 March.

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.

What is the best living environment for dementia patients? To answer this question, Daniela Gawehns is using data mining methods to search through different types of data source. Her research is inadvertently building a bridge between two disciplines that are sometimes somewhat wary of each other.

George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.

This volume sheds light on the role played by progeny in maintaining dynasties in early modern royal courts as well as the horizontal and vertical interplay between the actors. It attempts to break through the narrative of older research that saw dynasties as a series of male rulers. Instead, these…

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…

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…

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…

The brains of adolescents react more responsively to receiving rewards. This can lead to risky behaviour, but, according to Leiden University research, it also has a positive function: it makes learning easier. Publication in Nature Communications.

Conference