In this episode we talk with Mara van der Meulen about prosocial behaviour and social exclusion in children. Van der Meulen also explores the role of genetics and environment in the development of social behaviour. To find out more about her research on why some children are beter able to develop their…

In a recent study, Dr. Moji Aghajani and colleagues show that adolescents with a severe form of Conduct Disorder (CD) -with limited prosocial emotions- require an unusually large amount of brain capacity to read emotional faces. These effects were found in comparison to CD youth without limited prosocial…

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

There's a myth that people with autism avoid eye contact in conversations. This can come across as indifferent. Unjustified, stresses Jiayin Zhao, who is doing her PhD research on the socio-emotional development of children with autism. 'That people with autism don't care is anything but true.'

Half the world's population is introverted and comes home drained after an evening of drinks. Their social battery is empty. 'People with autism have a similar experience, but much more intense,' says Boya Li, who researches emotional regulation in children with autism and hearing impairment. Does this…

Young people influence one another to take greater risks, although it's not quite that cut and dried. This is what development psychologist Jorien van Hoorn discovered. Peers also have a positive influence on one another, an aspect that has so far been under-researched. PhD defence 12 January.

Laughing, crying or even having a moan together: close friends are worth their weight in gold in good and bad times. Researcher Lisa Schreuders explains the effects on body and mind. Can we give that magical click a helping hand? And what advice does she have for first-years in their new city?

After discussing the climate, our psychologists once again broach a big topic: war and peace. Or, perhaps: cooperation and conflict. For no matter how benevolent our intentions towards each other, friction never seems far away. Researchers Angelo Romano and Tom Roth offer explanations and practical…

Researchers from the Institute of Psychology have secured NWO Open Competition XS grants, each worth up to €50,000. One of the projects explores how making music together can enhance cooperation. Discover more about all five research projects.

Receiving a gift is nice, but giving a present also makes you happy. Development psychologist Mara van der Meulen former member of the Leiden Consortium on Individual Development (L-CID) answered four questions about giving gifts.

Hoe combineer je je passies met je onderzoek? Dat was de vraag van de laatste Psychology Connected. Fleur Bouwer en Joram van Ketel, beiden fanatiek muzikant, deelden hun ervaringen en adviezen met Niels van Doesum. Bekijk de fotoserie.

An international team of astronomers has discovered a large reservoir of hot gas in the cluster-in-formation around the Spiderweb Galaxy. Based partly on that hot gas, the astronomers predict that the cluster-in-formation will grow into one of the largest objects in the universe. A step closer to discovering…

On Wednesday April 8, 2026, the Austria Centre Leiden and the Special Chair for Central European Studies hosted the Seventh Annual Lecture in Austrian Studies.

How does astronomy benefit you? The new single-episode podcast Cosmic Perspectives explores the impact of Dutch astronomy on society: from building positive international relationships to the transfer of life-changing technology.

A research team from Radboud University and Leiden University, led by senior researchers Prof. Masja van Meeteren (RU/UL), Dr Paul Mutsaers (RU) and Prof. Maartje van der Woude (UL), will examine what national and international research has really found about ethnic profiling by the police.

Soil ecologists Emilia Hannula (Leiden) and Elly Morriën (UvA) received the Golden Medal of Teylers Tweede Genootschap on 5 November. They received the prize for their submission to a competition on sustainable soil management.

Prof. Ton Liefaard and Chrisje Sandelowsky-Bosman visited Curaçao to launch de Caribbean Center for Children’s Rights and present research.

Leiden University hosted the 47th Telders International Law Moot Court Competition, which took place between 30 May and 1 June 2024.

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

Politicians from Forum voor Democratie (FVD) regularly retweet anti-Semitic accounts. They therefore promote players from a social media network in which anti-Semitism is commonplace. This ranges from conspiracy theories about George Soros to hate speech about Jewish people drinking children’s blood.…

In the research for her upcoming book, Elizabeth Stuart: Queen of Hearts, author and academic Nadine Akkerman stumbled upon a little-known portrait of Elizabeth Stuart, Queen of Bohemia and grandmother of King George I, which she believes would have been considered treasonous at the time it was pain…

Without electronics carrying out computational tasks our daily lives would look very different. Devices such as elevators, vending machines, turnstiles, washing machines and even traffic lights use a simple form of electronic computing to switch from state to state. But, what if power supply is not…

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title "We Are the Times: History in Times of Crisis", De Graaf will explore how history is used during crises to give meaning to the times.…

To mark the university’s 450th anniversary, the Leiden Discoveries science route has been updated and was relaunched on the Night of Discoveries. New signs in town and a revamped website tell Leiden residents and visitors the stories of the city’s spectacular discoveries.

Why doesn't the Surinamese resistance hero and independence fighter Anton de Kom have a memorial site in his former hometown, The Hague, while there are streets named after colonial leaders? The students of university lecturer Anne Marieke Van der Wal-Rémy are committed to the erection of a statue.

The latest book by political scientist Matthew Longo came out this spring: 'The Picnic: A Dream of Freedom and the Collapse of the Iron Curtain'. In addition to its many favourable reviews, the book received the prestigious Orwell Prize this summer, which highlights exceptional books on politics.

Take a walk through any city, and you are likely to come across a brightly coloured mural. Although these paintings often seem to serve solely as a backdrop for Instagram snapshots, art history professor Minna Valjakka says there are rich traditions and intricate histories that uncover more critical…

‘I could hardly believe my ears when I heard that we had been awarded the Gravitation grant,’ says Berna Güroğlu, professor of the Neuroscience of Social Relations. This grant is awarded by the state, via NWO, to pioneering scientific top research. In terms of grants, this really is something special,…

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

Deaf and hard-of-hearing children can find it challenging to blend in during recess on the playground. Yet, in recent studies, two PhD researchers studying children in China and Portugal showed that the emotional development of these children is largely on par with their hearing classmates.

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

Children who come into contact with the police are not destined to become long-term offenders. This appears from research conducted by Babette van Hazebroek, who defends her dissertation on 30 September 2021.

Ten Leiden social and behavioural scientists have successfully applied for the NWO Open Competition. With this Open Competition, NWO gives researchers the chance to start small, high-risk, innovative or promising research projects.

Is aggression always bad? PhD research by psychologist Simone Dobbelaar shows that it is not. In fact, children who occasionally fiercely defend themselves and stand up for their peers often feel better mentally.

PhD defence

When you think of political philosophy, you think of Immanuel Kant, Georg Hegel and Johann Fichte. Both philosophers are considered great representatives of German idealism. University lecturer in Continental Philosophy Marie Louise Krogh has received a Veni subsidy to delve deeper into the German idealists…

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

On March 28, 2023, our esteemed colleague Prof. Harry Wijshoff passed away. He died after a struggle of several months against a serious illness.

The United States used threats to influence the nuclear programs of Iran, Libya and South Africa. How effective was this diplomatic coercion?