How do perpetrators of notorious crimes integrate in society after their imprisonment? Marieke Liem and Daan Weggemans investigated this in in-depth interviews with ten Dutch convicts for murder, paedophilia and terrorism.

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To assess the impact of illicit firearms trafficking on gun violence, this research looks at the scope, characteristics and contexts of firearm violence, and also the scope and nature of firearms trafficking in Europe since the new millennium. Nils Duquet, Dennis Vanden Auweele and Marieke Liem created…

Science Internship Fair, a Fair for students and companies to meet up for internships. Matching to find the right student for the right internship. Company information page for this event at LIACS.

In September 2023, we started transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

Frederica Mogherini, Rector of the College of Europe, visited Campus The Hague on 23 November for the official launch of the Europe Hub. This new interdisciplinary platform for research and teaching at Leiden University focuses on the social and governance challenges facing Europe.

Nobody likes it, but we do need bureaucracy, is Sandra Groeneveld's message in her inaugural lecture. Her advice is that we just need to handle it differently and should invest in people's behaviour, rather than focusing on strict rules.

Gaan vaders minder werken als andere vaders dat ook doen? Helpt betaald ouderschapsverlof hen om meer op te pakken in het huishouden? Hoe bepalend zijn sociale normen voor verschillen op de arbeidsmarkt? Onderzoeker Max van Lent gaat het uitzoeken.

In his leaving interview, Martijn Ridderbos doesn’t have to think long when asked what he is most proud of. ‘Bringing people together; creating things together. Reducing the gap between researchers and the staff who support them because the latter are essential. We’ve achieved that and the seeds have…

What influence do children’s upbringing and education have on their world view? This is the question Professor Judi Mesman is trying to answer. For her research and public outreach activities, she has just been awarded the prestigious Stevin Prize, the highest award in the Netherlands for a researcher…

As the year draws to a close, many music lovers are looking forward to the Top 2000. How high is their favourite song and who is number one? But the list is often very predictable and the same songs are always in the top 10. According to neuropsychologist and associate professor Rebecca Schaefer, it’s…

During the coronavirus pandemic, scientists were in a hurry to find drugs that would help fight the disease. To combine the research that was being carried out around the world, PhD candidate Judith ter Schure developed a new statistical method: ALL-IN meta-analysis. This helps determine sooner whether…

Universities are there for future generations; how can we make sure we pass them on intact? Leiden academics responded to the address given by Cambridge professor Stefan Collini at the opening of the academic year.

Minority governments only become an option when attempts to form a government collapse. PhD candidate Corné Smit explored why such governments have become rare in the Netherlands and what advantages they might offer. ‘Broad majority coalitions often fail to make substantial progress on key issues.’

Can we truly connect with each other through video calls? Yes, according to a recent study. Psychologists found our bodies synchronise almost as much in digital conversations as in real life. But this doesn’t mean we should skip in-person meetings altogether, says researcher Fabiola Diana.

A mix of data research, artificial intelligence and archaeology led to lively discussions on 31 January. On that day the unique event 'AI & Data Science @ Archaeology' took place in which the Data Science Research Programme (DSRP), SAILS and the Faculty of Archaeology joined forces.

Uit onderzoek van Nieuwsuur blijkt dat de politie zich niet houdt aan de Arbowet om agenten voldoende bescherming tijdens hun werk te kunnen bieden. Barend Barentsen, hoogleraar Sociaal recht, zegt in Nieuwsuur ‘het kwalijk te vinden dat een grote overheidsorganisatie zich niet aan de regels houdt.…

This speech from the throne was a little less woolly than last year's, you might think. Gerard Breeman and Arco Timmermans know that for sure. Breeman and Timmermans from the Institute of Public Administration have been analysing the speech from the throne for years. Just like Tuesday 15 September 2020.…

In her daily life, she is a student of Life Science and Technology, but not this summer. Guusje van Bolhuis is participating in the Olympic Games with the French hockey team. ‘Studying and playing hockey at top-level are very different, but with the right mindset, you can go far in both.’

A computer can look at, and learn from, many more images than a human specialist. AI systems are rapidly becoming indispensable for medical and biological applications. But they still have to learn how to explain their decisions.

Recent calculations show the new Dutch cabinet’s plans will lower the purchasing power of low- and middle-income households. Egbert Jongen, Professor of Economics, commented in ‘Trouw’ newspaper about the economic impact of the new cabinet’s policy.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with Ilia State University in Georgia.

Electrical signals travel like a wave through our neural pathways. The mathematical models for these movements could not yet properly describe all the biological properties of the nerves. PhD student Willem Schouten-Straatman changed this by improving the existing models. ‘I hope that one day we will…

Fundamental insights into the working of the adolescent brain help lecturers and parents to teach adolescents to function better. Professor Eveline Crone studies executive functions – such as planning and behaviour – in the adolescent brain.

What is better for waste recycling: a plastic, paper or ceramic cup? A bio-based or fossil-based coating? Waste sorting at the source or at a recycling facility? Ask ten experts and you will get ten different opinions. We can all agree on one thing: doing nothing is not an option. Thus, Leiden University…

It was challenging to get civil servants from the first Trump administration to speak about their work experiences, but sociologist Jaime Lee Kucinskas succeeded. The picture that emerged from her findings, she says, is far from positive. 'The more I spoke with them, the more emotions I saw. They were…

Clinical psychologist Bernet Elzinga has been appointed as Professor of a personal chair at the Faculty of Social and Behavioural Sciences. This professorship will contribute both nationally and internationally to the broader promotion of Leiden University in the field of stress and psychopathology.

Adolescents who were more popular among their classmates in junior school are often the ones who are more inclined to share things fairly with others. During this sharing process, 'social' areas of the brain are more strongly activated than in adolescents who are less popular. This is the finding of…

Students of the European Union Studies track of MA International Relations visited Brussels this October and met many Leiden alumni who already work there.

Rychard Bouwens from the Leiden Observatory is the first scientist in the Netherlands to be assigned a Large Programme on the state-of-the-art ALMA telescope in Chile. With his team, he wants to use the unique capabilities of the billion-euro facility to investigate the build-up of massive galaxies…

The Dutch high-tech industry urgently needs specialised technicians. Leiden University aims to help meet this demand with its new specialisation in High-Tech Innovation (HTI), which brings together chemistry, physics, mathematics, computer science, astronomy and project management.

After almost four decades, Leiden and Eindhoven chemists have resolved the discussion about the correct model for the simplest chemical reaction in heterogeneous catalysis, which is essential for fuel cells. Using a unique curved platinum surface, Ludo Juurlink and PhD candidate Richard van Lent from…

Suddenly everyone is at home, but this is not a holiday – far from it. Because work and school are ‘simply’ carrying on remotely. How can parents and children keep a cool head? Lenneke Alink, Professor of Forensic Family Studies, gives her advice.

It’s impossible to avoid, even in the Netherlands: the US will soon be going to the polls. Where does it come from, this fascination with US elections? PhD candidate Bram Eenink explains.

Is our musicality unique? That’s what the Bird Singalong project aims to find out. And for that, they need the help of feathered friends from all around the world. ‘By researching how parrots learn songs, we also learn more about the origin of our own musicality.’ Do you have a parrot that can sing…

Before he became Minister of Finance, CDA leader Wopke Hoekstra invested for years in a shell company in the Virgin Islands. This has been revealed in leaked documents known as the Pandora Papers. How exactly does tax avoidance work? And are there other options? Tax lawyers Jan Vleggeert and Tanja…

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

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

‘Art and science can co-exist.’ On 16 August, Dean Suzan Stoter spoke these words when she opened the exhibition ‘Wet op beeld: De Saksenspiegel eeuwenoud modern’, created by visual artist Ilja Walraven and legal scholar Helen Stout. They believe that images can enhance the comprehensibility of legal…

Two months ago, history student Willemijn contracted coronavirus. At the time she was taking a course given by lecturer Rens Tacoma. What can you do if you’re even too ill to follow online lectures? And how are lecturers dealing with the growing number of sick students? ‘We have to work it out toget…

Lecture

Young researchers have been particularly affected by the coronavirus measures. They’re concerned about whether they’ll get their PhD or postdoc project finished on time, now their research has been at a standstill for months. What effect will such a delay have at the start of their academic career?…

The Dutch Development Bank's new SDG loan fund for green energy in the global south may not be as positive as it seems. Anthropology professor Marja Spierenburg raises concerns about its potential impact on local communities.

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

Following the news that TomTom is cutting 300 jobs due to the use of artificial intelligence (AI), FGGA researchers Friso Selten and Alex Ingrams responded with opinion pieces. They place the news in a broader context and call for a more nuanced debate on AI and job losses.

Labour migration is an important theme in the Dutch general election to be held this month. Olaf van Vliet, Professor of Economics, spoke to public broadcaster NOS about policy options related to migrant workers.

Prehistoric people may well have had an emotional bond with domesticated dogs much earlier than we thought. Leiden PhD candidate and vet Luc Janssens discovered that a dog found at the start of the last century in a grave dating back 14,000 years had been sick for a long time and had been cared for.…

Italian historiographers in the 16th and 17th centuries wrote remarkably often about the Dutch Revolt, better known as the Eighty Years' War (1568-1648). Their works influenced public opinion both in Italy and in the Netherlands. This is the conclusion reached by historian Cees Reijner in his dissertation.…

For most, it had been a while since they had seen each other: about thirty BA International Studies alumni who met up at Cafe Luden for a reunion on July 6. And, now that the BA programme has existed for seven years, there were some people who had never even met each other. 'What year did you start,…

Fear of repayment demands is causing people to forgo benefits and financial support, even when they are eligible. This was one of the finding of Olaf Simonse in his PhD research on financial stress and the non-use of social services. His proposal: 'Let the government take the initiative.'