We talk with Michiel van Elk, about his research into mapping what effects psychedelics have on the human brain and what this means for the possible clinical application of these drugs. The cognitive psychologist shares his findings with a sober view, bringing critics and fanatics closer together for…

Alicia Schrikker doesn't usually get involved in urban history. As a senior lecturer, her research field is generally the colonial history of Asia and partly South Africa. So, the fact that she is going to carry out an urban history research project together with colleagues, is something that even she…

In July, Leiden will be hosting the EuroScience Open Forum conference. Humanities scholars from Leiden will make use of the opportunity to stress the importance of art in science. ‘Artists have the ability to show the consequences of science.’

Innovative, future-proof teaching methods were the theme of the tenth Leiden Teachers’ Academy Education Conference that took place on 5 June.

Lecture

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

Kenniscafé

Each year on the university’s birthday, children at primary schools in Leiden and The Hague have a lesson from a professor – about children’s rights and robots in surgery, for example. The children get to do activities. And ask questions: ‘How do you become a professor?’

With the number of externally funded research projects at the university on the rise and funding bodies setting ever-stricter requirements, it can be challenging to keep track of budgets, deadlines and reporting. The new Vidatum tool makes managing external projects easier for researchers and research…

Last Friday the global Antibiotics Awareness Week begun: an entire week dedicated to antibiotic use. Antibiotics researchers from the LACDR therefore set out to tell primary school pupils about their research. Through role-playing, pupils were drawn into the world of antibiotics: 'Can the teacher not…

Bubble baths and face masks: that’s what we often see on social media when discussing self-love. However, is this a true reflection of what self-love and self-care entail? In this episode, psychotherapist Kelly Ziemer teaches us more about what true self-love and self-care are, and their importance.

What do you do if you suspect someone around you is struggling with suicidal thoughts but you aren’t sure how to bring it up? And how can we support loved ones who’ve experienced trauma? In this episode clinical psychologist Joanne Mouthaan shares valuable insights on how to approach these topics and…

Roman philosopher and orator Marcus Tullius Cicero is still used as an intellectual example by politicians and speech writers today. But, he did not go unchallenged in his own day, as a statesman in particular. Classicist Leanne Jansen conducted research into how classical historians judged Cicero’s…

They never cross our minds until, that is, they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, PhD candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.

Conference

Course

Lecture, Studium Generale

From 13 to 16 July, Leiden will host the EuroScience Open Forum (ESOF), the largest multidisciplinary scientific conference in Europe. Lars van Doorn from Leiden Law School will give a presentation.

The past few days we interviewed several of our researchers about their various studies during Dutch Bio Science Week. They answered questions such as what impact their research has on our future and with whom they have established valuable collaborations.

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

Workshops

How can Europe lead the way in vaccine development that is fast and for all? To answer this pressing question, Professor of Vaccinology Meta Roestenberg is holding a panel session on 14 July at the EuroScience Open Forum in Leiden.

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

Conference

Teens with depression appear to be more sensitive to criticism from their parents than their healthy peers are.

The law and Artificial Intelligence (AI) applications need to be better aligned to ensure our personal data and privacy are protected. PhD candidate Andreas Häuselmann can see opportunities with AI, but dangers if this does not happen.

On 11 November Professor of Gastroenterology and Hepatology, Monique van Leerdam will deliver her inaugural lecture entitled, ‘Aiming for Prevention’. Van Leerdam, who specialises in hereditary tumours, was appointed professor in July 2020. In her inaugural lecture she will discuss the importance of…

More people seeking asylum, overcrowded asylum accommodation and asylum procedures that take years because of a lack of capacity. The current government wants to declare an asylum crisis but what is that exactly and can they just do that?

Open Science verandert de manier waarop onderzoek wordt gedeeld en wordt samengewerkt. Anna van ’t Veer won een award voor haar Open Science-activiteiten.

The Covid pandemic has had a considerable impact on academics’ work and well-being. They have had much less time to spend on their research. The Young Academy and the Dutch Network of Women Professors have conducted research into how the situation has been for academics. The two organisations have recommendations…

Workshops

On the occasion of Euroscience Open Forum 2022, Professor Attiya Waris (Director of Research and Enterprise and Professor of Fiscal Law and Policy in Eastern Africa, University of Nairobi, Kenya), Professor Irma Mosquera Valderrama (Professor of Global Tax Governance, Lead Researcher GLOBTAXGOV ERC…

Professor of Islam and the West Maurits Berger wants to use citizen science to answer this question. On the futureofislam.eu website, he is inviting European Muslims to complete an anonymous survey about how they see their future and the role of Islam in this. He will present the first findings at the…

Conference

Covid-19 has had a huge impact on teaching at universities over the past two years. Through force of circumstances, lecturers have adapted much faster to a digital future. On 7 June Leiden Teachers Academy’s annual Education Festival (working language is English) will present insights on this ‘new n…

From Wednesday 13 July 2022, for four days, Leiden is at the epicentre of European science, as it hosts Europe's largest interdisciplinary conference, the EuroScience Open Forum (ESOF). We interviewed Marja Spierenburg, Professor in the Anthropology of Sustainability and Livelihood. In addition to being…

A healthy and happy society. This is what researchers from the Faculty of Social Sciences are working towards, together with a selection of partners from different disciplines and regions. To further structure research about Health and Well-being, the faculty has identified three focus area’s. Researchers…

Care robots, medical treatments, deepfakes and self-driving cars all with the aid of artificial intelligence (AI). The BrAInpower exhibition at Rijksmuseum Boerhaave shows spectacular applications of AI and explains how it can make such huge leaps. Bas Haring, Professor of Public Understanding of Science,…

Can kindness training increase political tolerance? And how can we better support children with selective mutism? During the Health@FSW knowledge market and exchange event on 26 May 2025, researchers from all five institutes showcased how their work aligns with the faculty’s research strategy and contributes…

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.

When under duress innocent suspects can make a false confession. Why is this? Legal psychologist Linda Geven will give a talk about this at the Leiden Institute for Brain and Cognition’s Brain & Law event. At this symposium (in Dutch) on 16 September you can attend talks on fascinating brain research…

The tenth Europa Lecture was delivered by Corinna Wissels, State Councillor at the Administrative Jurisdiction Division of the Dutch Council of State, deputy justice of the Dutch Trade and Industry Appeals Tribunal and member of the EU-UK Withdrawal Agreement arbitration panel.

Leiden University publishes the highest percentage of preprints in the Netherlands. Why is that and why post your article online before it has been peer reviewed? Professor of Quantitative Science Studies and keen preprint poster Ludo Waltman explains.

How do you deal with bullying? How can you motivate young people? At the NeurolabNL symposium a multidisciplinary research team launched an interactive book for teachers and youth workers. This digital book offers the latest insights and plenty of useful tips and advice. Children’s Ombudsman Margrite…

All five episodes of the first season of 'Breingeheim' are now available to listen on Spotify. The first season of the podcastseries is about the social contexts of adolescent development and how teens become resilient individuals. In every episode, a new Leiden-based behavioural scientist and an adolescent…

The field of artificial intelligence has developed rapidly in recent years. We spoke with Stephan Raaijmakers, professor by special appointment in Communicative AI, about the impact of artificial intelligence and why everyone should pay more attention to developments in this field.

The chance that it will do so is about zero, but Russia is legally obliged to investigate violations of law during the war in Ukraine. States that enter into an armed conflict often deny liability, but under international humanitarian law and human rights they are obliged to investigate their military…

A fragmented political landscape, permanent pressure from current affairs and an increasingly political civil service: our government faces many challenges. This makes it all the more difficult to make important decisions about pensions or the climate. Research and good education can help meet the challenges…

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…