How long should and may a doctor remain silent if he suspects child abuse? A GP who often sees the whole family, or a paediatrician, fills a crucial role when it comes to picking up signals of child abuse. Mirjam Sombroek-van Doorm examined how tenable professional confidentiality of medical practitioners…

For Sybille Lammes, professor of New Media and Digital Culture, corona offers a whole new perspective on her research into play. Digital media may have never been more important now that we're working remotely, but we have also started to game more because we are spending more time indoors. Lammes can…

In 2018, the Institute of Environmental Sciences (CML), born out of activism, exists for forty years. The institute celebrated this on 28 June in the Stadsgehoorzaal in Leiden. In the morning, proud directors and researchers looked back and forth. After this several experts discussed the current environmental…

Universities cannot survive in this highly competitive world without collaboration. And the ultimate aim is to make the world a safer and more sustainable place. This was Rector Carel Stolker’s message during the 441st Dies Natalis.

University Lecturer in History and International Studies Andrew Gawthorpe discusses on The Conversation the newly signed US-Ukraine economic partnership agreement.

Since June this year, the ACPA PhD-council has been organising a monthly forum for doctoral students across ACPA's PhD-programmes.

Yiya Chen has been appointed professor of Phonetics at Leiden University as of March 1, 2020.

During Cyberweek, from 17-24 October, the Faculty of Governance and Global Affairs (FGGA) highlighted its research and teaching on cybersecurity, digital developments, and their impact on society.

In what ways and to which extent are the systems of national administrative law becoming Europeanised? What role do EU legal principles play in this process? Are EU legal principles smoothly absorbed in national law and practice, or do the principles encounter resistance? Which legal principles attract…

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

Het onderzoeksproject heeft als doel ouders te helpen hun kleuters gezonde eetgewoonten aan te leren door het bevorderen van sensitieve voeding tijdens de fase wanneer peuters kieskeurig met eten worden.

China’s booming aquaculture industry is increasingly dependent on fishmeal made from wild-caught fish, a practice that depletes wild fish stocks. A new study conducted by institutions including Leiden University and Stanford offers a more sustainable path. The study appeared in the journal Science on…

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Nicolaas Bloembergen, who won the Nobel Prize in Physics in 1981, passed away on 5 September in Tucson, Arizona. Bloembergen obtained his PhD on nuclear spin resonance in 1948 at Leiden University. Some articles about his life.

Alanna O'Malley has been awarded a Fulbright Scholarship to the United States from August 2017 to February 2018.

With a trip through the Netherlands, the preparations for the graduation of the Master Cyber Security had already started weeks ago. The apotheosis took place on Thursday, the 11th of February. A report of a digital graduation ceremony.

With this podcast series 'Introduction to Security Studies', you will get to know more about the bachelor's programme Security Studies at Leiden University in The Hague and life as a student in The Hague.

The circular economy is typically seen as the progressive alternative to our wasteful linear economy, where raw materials are used to make the products that feed today’s rampant consumerist hunger, which are then thrown away. In a fascinating article, archaeologist Maikel Kuijpers reflects on the recycling…

Plants can’t run away from enemies. Still, it would like to keep life-threatening herbivores at a distance. This can be done with odours. Klaas Vrieling of the Institute of Biology Leiden found out with his team how plants change odour production to keep the munchers at a distance.

Recently Professor Joanita Vroom’s book Feeding the Byzantine City was published by the prominent academic publishing house Brepols. This volume is the fifth in a series called Medieval and Post-Medieval Mediterranean Archaeology, of which she is the editor. ‘This series aims to offer new perspectives…

June 6th and 7th, the Institute of Public Administration hosted a seminar on the Challenges for public sector employees caused through the increasing demands that their work environment poses.

When you think of squatting, the picture that comes to mind is of young people occupying derelict buildings in big cities. Leiden also has a history of squatting, and that history is very diverse.

Evidence-informed policy-making is crucial for good governance. Yet, despite the abundance of evidence from research and evaluation available to decision-makers, we know little about the actual influence of evidence on government policies. The ‘Power of Evidence’ (PoE) research programme, directed by…

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.

How humans and rats cohabit the cityscape and what consequences this has for both sides of the conflict?

Making predictions about emotional problems or the effects of air pollution: Marjolein Fokkema’s algorithms are getting better at this all the time. She is making her algorithms increasingly flexible, so they can predict not just characteristics at one particular moment, but also how skills, for example,…

Neural networks have a wide range of applications. In Leiden, psychologists use them to build robot brains, whereas archaeologists use them to hunt for prehistoric graves.

Lecture

On Tuesday 8 November, Americans will go to the polls for the so-called midterm elections. 'We tend to look at this election as if it were a poll on Biden. But it’s not a presidential election,' emphasises associate professor Sara Polak.

For 20 years, Comenius has been affiliated with the University of Groningen and organizes courses - both nationally and internationally - around personal leadership. The Comenius Courses are designed for experienced directors and managers from the public and private sectors such as general managers…

Election Day is over, but it's by no means clear who the new President of the United States will be. On the morning after Election Day, US expert Sara Polak relects on the results that are in so far, and looks ahead to the coming days.

Research conducted in this group aims at furthering our understanding of how communities and individuals deal with social change, conflict and trauma through remembrance and commemoration as well as forgetting in the arts.

Join-in courses zijn MA-cursussen over middeleeuwse onderwerpen gegeven binnen vastgestelde MA-programma's van de zes deelnemende universiteiten van de Onderzoekschool. Op aanvraag zijn deze vakken toegankelijk voor studenten van andere (Nederlandse) universiteiten. De cursusbelasting en het aantal…

Maarten Aalbers was invited as a guest speaker by the University of Bergen (Norway) to present his views on the joint application of state aid law and free movement law concerning the adoption of sugar taxes.

The announcement by US President Donald Trump on 9 March in response to the invitation for a summit meeting with the North Korean supreme leader Kim Jong Un came as a big surprise. Media analyses vary from being very positive to almost cynically negative. However, according to researcher on Korea Koen…

Associate professor Eric Storm discusses the return of imperial ambitions in global politics on The Conversation. He argues that leaders like Putin, Xi, and Trump challenge the post-WWII international order.

There is a growing conflict between the US and the EU about the investigation by the Commission under the EU State aid rules into so called

As of 1 April 2025, Lodewijk Govaerts will be standing down from the Board of Governors due to other commitments that will demand a significant part of his time and attention within the foreseeable future. Govaerts does not want this to affect his ability to fulfil his role on the Board of Governors…

On 8 February 2016, Dr Jennifer Tour Chayes, Director of Microsoft Research in Boston and New York, will be presented with a Leiden honorary doctorate by Frank den Hollander, Professor of Probability Theory and Statistical Physics.

Jeanine de Roy van Zuijdewijn, researcher and lecturer at ISGA, was interviewed by Deutsche Welle (DW) on the topic of career foreign fighters. This is also the topic of study in her latest publication.

On March 18 2016 Pieter van Cleynenbreugel and Maarten Aalbers discussed recent developments in EU internal market law and EU state aid law at the International Colloquium on EU Law.