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…

The outreach and engagement platform BrainTrain consists of five enthusiastic students of the masters programme Forensic Family Science. As part of their project, the students visit high-schools to teach adolescents about the brain, make them experience that their own reality is not always the only…

For this interview, we spoke with Thomas Ansell: Head of Communications at The Hague Humanity Hub. The organisation facilitates and supports innovations geared towards peace and justice. They provide new connections, collaboration networks, and exchange of information. What kind of organisations is…

Wat gebeurt er op het schoolplein? Sensoren op kleding openbaren pijnlijke patronen

JSixty researchers have received a grant of approximately 50,000 Euros during round 3 of the NWO Open Competition SSH-XS pilot programme. Two of them are working at FGGA: Jolien van Breen and Honorata Mazepus. The sixty researchers received the grant to start working on a promising concept or an innovative…

Professor of Brain, Safety and Resilience Anne-Laura van Harmelen has been nominated for the Huibregtsen Prize. The winner of the prize will be announced on the Evening of Science & Society (4 October).

How do parents communicate anxiety to their child via body language and words? Psychologist Cosima Nimphy studied this question for her PhD research. Experiments show that children of anxious parents are not more sensitive to their parents’ signs of anxiety.

In prehistoric times there was a huge wave of migration, from the steppes in Russia and Ukraine to West Europe. The newcomers’ genes began to dominate. Archaeology research in Leiden into burial mounds in the Veluwe and Utrechtse Heuvelrug areas of the Netherlands yielded this spectacular conclusion.…

Middle East Studies Lecture

Conference

Kees Waaldijk has worked for many years to map the rights, or lack thereof, of the gay and lesbian community across the world. As he bids farewell to the faculty, those rights are under renewed pressure. How does he reflect on his career?

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.

Can we reshape school playgrounds through data and design? By using AI and wearable sensors, data scientist Maedeh Nasri discovered ways to create environments where children, including those with ADHD and autism, can connect, play, and grow.

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

Synchronised heart rates and skin conductance tell us that people are attracted to each other. This explains why we feel a romantic ‘click’ with some people and not with others. This is the result of research by psychologist Eliska Prochazkova from the Leiden Institute for Brain and Recognition, which…

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

What does it mean to be in a Dutch prison? What is true about the prejudices about being in jail? Criminologist Marieke Liem has released a podcast on Dutch national broadcaster NPO Radio 1: Hotel met tralies.

Instant messaging app Telegram is not faring well in the news – the reason being the illicit activities occurring on the platform. Professor Bart Custers helped Dutch current affairs programme ‘EenVandaag’ respond to questions about the platform.

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

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…

Misleading social media posts are falsely claiming that the Dutch supermarket chain Jumbo uses facial recognition at self-service checkouts. Jumbo denies this, although it has launched trials with AI cameras to combat shoplifting without using facial recognition.

Distracted eating is common and has adverse health consequences. Read more about the research of Leiden social psychologist Lotte van Dillen and some strategies to combat that behavior.

In a one-hour interview on Dutch radio programme Sleutelstad, Anne-Laura van Harmelen talks about her research into the role friendships in adolescents' well-being, the resilience paradox and the role of social, hormonal and genetic factors in stress-levels and resilience.

Since the demonstration over a year ago on the Wijnhaven campus, Leiden University has developed plans and initiatives to create the safest possible work and study environment for our university community. The Executive Board would like to explain what has happened since and what else we can expect…

Showing your face at dinners and parties at court: it was the way to get noticed by the king in William I's time. Joost Welten's latest book reveals how, during the reign of William I, the elite danced around his throne both literally and figuratively.

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January.

On Tuesday 30 September 2025, PhD candidate Jonathan Collins will defend his dissertation A Wolf in Sheep’s Clothing: A Mixed-Methods Analysis of the Far-Right Alt-Tech Social Media Movement in Leiden’s Academy Building. His work examines the communication dynamics of far-right communities on alternative…

Workshop

Workshop

The Economics Department at Leiden University is pleased to announce a junior workshop focusing on The Economic, Social and Political Effects of Migration, which will be held Friday 19 April 2024, at the Gravensteen in Leiden.

Human resources

On 9 October 2023, Carlotta Rigotti and Eduard Fosch-Villaronga participated in the BIAS webinar on citizen science and AI technologies, namely the first awareness-raising activity of the Horizon Europe BIAS project. They discussed online citizens’ engagement on tackling gender and intersectional biases…

His article on ‘the War on Drugs’ in Colombia and the Philippines has been in the top five most downloaded articles of Oxford University Press for some time. Now, Assistant Professor Santino Regilme is to receive a NIAS grant to map out the global war on drugs.

The moment has finally arrived: after months of hard work, the strategic plan is finished. It was an interesting period, thinks core group member Sylvestre Bonnet. 'How we finally arrived at this strategic plan was very different from what I had thought beforehand.'

At the end of the 7th century something curious occurs in Northwestern Europe. Suddenly, people start burying the dead next to their dwellings instead of in communal cemeteries. Professor Frans Theuws recently published a book on this phenomenon. ‘We wanted to know if the study of these farmyard burials…

NUFFIC’s Orange Knowledge programme, funded by the Ministry of Foreign Affairs, awarded a grant to the proposal of Jacqueline Vel, Adriaan Bedner and Leiden alumnus Fachrizal Afandi just before the Christmas holidays.

The winner of the 2022 Spring edition of the NWO Venture Challenge was announced during the Dutch Biotech Event. The innovative startup Iprotics has developed specific proteasome inhibitors that potentially treat multiple myeloma (MM) without the side-effects known from traditional proteasome inhibi…

Last week, Joris Larik, Assistant Professor of Comparative, EU and International Law, was mentioned in an article by Euronews about the SWIFT ban.

The Netherlands cannot stop European labour migrants coming here. Nor does The Hague have much influence on the influx of asylum seekers. But experts believe that we should be able to reduce the need for labour migrants by using intelligent economic policies.

The first settlers of the Caribbean have long been regarded as bands of highly mobile groups who subsisted exclusively by hunting, gathering, and fishing. In recent years, however, there has been increasing evidence for the cultivation of domesticated plants by early groups and a lower degree of mobility…

Organisation

Eline Westra recently joined the Institute for History as a postdoctoral researcher in the NWA-funded project 'Dilemmas of Doing Diversity', under the supervision of Marlou Schrover. Below, she introduces herself.

It increasingly seems that Elon Musk has taken it upon himself to decide what can and cannot be said on Twitter. He bought the platform with the message that there would be room to say whatever you desired, but he himself is casting doubts on that principle.

Marieke Liem, professor at ISGA, discusses how the number of drug-related murders has not decreased in the last years

Workshop

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

Many children experience trauma and if they are unable to deal with it properly, it can have a huge personal and societal effect. Building resilience in vulnerable children and young people should therefore have the highest priority. This is the message of Anne-Laura van Harmelen, Professor of Brain,…