Exercising less, skipping parties and struggling at work: the expectation of chronic pain and itching can lead to avoidance behaviour. But this is by no means the case for everyone with chronic pain, as PhD candidate Gita Nadinda discovered. What does this mean for healthcare?

Internationalisation is an important pillar of the Strategic Plan of Leiden University and Leiden Law School. The driving force behind internationalisation at our faculty is the Office for International Education (known as BIO). The Head of BIO is Anette van Sandwijk. Now the current political climate…

Prisoners deserve better professional support when preparing to return to society. PhD candidate Amanda Pasma: ‘You can’t imprison everyone for life. Society will have to give prisoners a second chance.’

Why do some smokers quit much more easily than others? Can we think ourself to insomnia? And does playing music together help to calm conflicts? Psychology students investigated these questions and presented their findings during the Psychology Science Day 2023.

It is with great sadness that we have learned of the passing of our former colleague dr. Karin Willemse, who passed away on Saturday 18 March 2023.

Space for open dialogue on historical slavery was created at the Keti Koti Table at Museum De Lakenhal, organised by Leiden University and the Municipality of Leiden. There, just metres away from 17th-century paintings, Leideners shared a ritual meal and spoke about the effects of slavery and our colonial…

On January 16, 2022, our respected and beloved colleague Prof. dr. Bas Edixhoven passed away after a short period of serious illness.

From the workload to sustainability: the University Council helps decide on important topics. In the University elections – from 9 to 13 May – you can vote for who will represent you on the Council. Three questions to the three lead candidates of the staff parties: PhDoc, Universitair Belang and Leidse…

It was his thesis supervisor during his master's in Film and Photographic Studies who encouraged Shivan Shazad to pursue a second master's in diversity policy at Ghent. He is now Manager of Diversity and Inclusion at the Rijksmuseum in Amsterdam.

The COVID Radar app is citizen science at its best. More than 200,000 users in the Netherlands are answering questions about their health and behaviour to help predict the development of the pandemic. Niels Chavannes, Professor of General Practice at Leiden University Medical Center, explains how the…

They are not always in the spotlight but are essential to our scientific research: Leiden research support professionals. And their network is growing and professionalising all the time. Over a hundred such professionals shared knowledge and gained inspiration at the Leiden Research Support Network…

International collaboration is essential to research and teaching but it also brings risks. Such as sharing sensitive knowledge and technology or foreign interference in research. Rector Hester Bijl explains what staff can do to prevent this.

As a researcher, it can be fun and useful to talk to the media about your work. But on what terms should you agree to do an interview or appear on a talk show? And how do you tell an engaging story? The Media Guide for Researchers is here to help. Three colleagues share their top tips.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This edition…

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

On Tuesday 30 September 2025, PhD candidate Kathleen Brown will defend her dissertation 'Deception, Risk, and Evasion: The Politics of Sovereign Debt in Emerging Markets' in Leiden’s Academy Building. Her research sheds light on the hidden world of sovereign debt politics, revealing how governments…

On February 10, 2026, emeritus Professor Dr. Takamitsu Muraoka (1938–2026) passed away, one day after celebrating his 88th birthday. From 1991 until his retirement in 2003, he held the chair of Hebrew Language and Culture, Israelite Antiquities, and Ugaritic at Leiden University.

Once a year, former employee and avid runner Dennis Hoencamp returns to his old workplace. That’s when he competes in the Leiden Science Run. As an event coordinator, he once devised the relay race as an anniversary activity. It grew into an annual event for the entire University and the Bio Science…

Conference

As part of her Anthropology studies, Leiden student Marleen Kop has made a short documentary about the importance of Leiden-Noord’s ‘soup time’. Her chosen method was participative observation – she spent months helping residents prepare the soup – and the film can now be viewed online.

Dr Alex Geurds was elected as a Fellow for the Society of Antiquaries, a prestigious and old educational charity based in London. Established in 1707, the society aims at the encouragement and advancement of the study and knowledge of the antiquities.

For her research into complex family problems, an assistant professor in Forensic Family and Youth Care Studies Sabine van der Asdonk has won the Gratama Science Prize 2021, a prize for talented young researchers from the universities of Leiden and Groningen. The jury praised Van der Asdonk’s excellent…

ChatGPT, the text-generating chatbot, has recently become available for anyone to use. Is this artificial intelligence (AI) tool a threat to our teaching?

Fossil Free against KLM on greenwashing, municipalities against Chemours on PFAS discharge, climate cases against Shell and ING Bank… There are many examples of recent civil lawsuits on sustainability. But does climate litigation in the civil courts actually have an effect?

The most problematic themes in the Faculty of Humanities are workload and social safety, according to the recently completed Personnel Monitor. What happens now?

Few details, relatively few words. The coalition agreement presented is one of the shortest in the past 20 years, Arco Timmermans knows. Consequently, the outlines were not negotiated for very long, which has its advantages and disadvantages. 'Over the next few weeks, we are mainly going to see the…

Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…

Following a highly successful first edition, we are delighted to announce the second Leiden eLaw Summer School on ‘Regulating AI in the EU Digital Market’ taking place from 23 to 27 June 2025, both in person in Leiden and online.

Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

Happy Holidays from LACDR

A friendly chat is more complicated than you might think. As soon as the other person finishes talking, you already have an answer ready. But how do we know when it's time to change turns? University lecturer Johanneke Caspers has been awarded an NWO Open Competition grant to investigate the role of…

Last week we were informed that Prof. A. Hordijk, emeritus professor at the Mathematical Institute, has passed away. Arie Hordijk (1940) came to the Universiteit Leiden in 1976 and has been a professor of Mathematics of Operations Research at our institute until his retirement in 2005.

It is with great sadness that we learned that our colleague Leo Waaijers, guest employee at our institute, passed away on August 1 after a short illness.

In six months' time, Leiden City of Science 2022 will begin. Rob Zwijnenberg, chairman of the Faculty Steering Committee, talks about the plans.

Mirjam Twigt recently joined the Institute for History as a Research Officer ⁠/ Postdoctoral Researcher for the Leiden-Delft-Erasmus Centre for Governance of Migration and Diversity (LDE GMD)⁠. Below she introduces herself.

For the eleventh time in a row, Leiden University’s unique liberal arts and sciences programme has been awarded the ‘Top Rated Programme’ quality seal by Keuzegids universiteiten 2024.

Social

The Faculty of Humanities has two new teaching coaches. On 1 September, Karin Nijenhuis and Paz González took over from Maarten van Leeuwen and Astrid Van Weyenberg. New: the focus on more advanced teachers.

Since 2023 the newly arriving Archaeology students are invited to join an active introduction day during which they get to know the Faculty and each other in a playful and fun way. The activities are organised by Study Adviser Cleody van der Eijk. ‘It helps people to loosen up and get to know each o…

PhD candidate Karen van den Akker has written a children’s book to get young girls excited about technology. The picture book ‘Met mama naar Mars’ tells the story of Luna, who wants to travel to Mars.

Some children start life with a disadvantage. Sometimes even before they are born. A new research project involving Professor Wessel Kraaij of Leiden University investigates how data science can help give these children a good start in life.

Education, Research

Public Administration student Iris did an internship at the Ministry of the Interior and Kingdom Relations. During her internship, she dealt with election accessibility.

As you know, the faculty is working on a follow up strategy built around six different themes. Each theme now has its own writing team. Every week we speak with one of these teams about the content of their theme, and share an update in the newsletter. This weeks theme: AI led by Niels Laurens.

Over 600 manuscripts and early prints have been made digitally available by Leiden University Libraries (UBL) via the Europeana platform. In the project 'The Art of Reading in the Middle Ages’ (ARMA), seven European heritage institutions added 30,000 digitised medieval items to Europeana’s database…

In recent decades, women in Japan and South Korea have been catching up in terms of educational achievements and economic activity. Yet the number of women in leadership positions is still lagging behind. PhD candidate Yorum Beekman investigated why this is.

The Service Centre International Staff supports and advises all international staff at Leiden University. Not just about things like immigration, accommodation, taxes, insurance and dual career, but also about the social side of things like feeling welcome and at home at Leiden University. SCIS’s recent…

Professor of Dutch History prof.dr. H. (Henk) te Velde will become interim Dean of the Faculty of Humanities at Leiden University for a two-year term with effect from 1 March 2025. He will succeed prof.dr. M.R. (Mark) Rutgers. Mark Rutgers’ second term of office expires on 1 March 2025; he will be professor…

A number of organisational changes have been implemented in the faculty office of the Faculty of Humanities. This has led to the creation of BAS: the department responsible for Policy, Advice and Strategy. Department heads Marcel Belderbos and Tim Lamers introduce themselves and the new department.