How are supermassive black holes born? That is the question astronomer Elena Maria Rossi is trying to answer. But how do you investigate something you cannot see?

In the spring of 2024 the Faculty of Archaeology welcomed a new postdoc. Dr Adam Benfer, originally from the United States, occupies a double position as a researcher in the project of Alex Geurds and as the Faculty’s Data Steward. ‘It is pretty much what the title says: I steward data. Essentially,…

Hanne Bergink started as the new study advisor and career advisor at Archaeology in mid-February. Aside from helping students out when they encounter issues during their studies, she will also focus on job market preparation. ‘I have experience as a coach to help people with their personal developme…

Each year, around forty women in the Netherlands lose their lives, most often at the hands of a (former) partner or family member. Judges, lawyers and survivors now turn directly to Professor Marieke Liem for expertise. For her, this is telling: ‘The time has come for greater knowledge and a coordinated…

During Leiden City of Science 2022, Janet Grijzenhout and Hannah De Mulder will put multilingualism in the spotlight by organising multilingual storytelling afternoons. They hope to show parents that raising children multilingually is achievable as well as beneficial.

Access to education for people from the lower socio-economic class has improved immensely in Europe from the 1950s onwards. Yet the Roma and Sinti were unable to reap benefits from this. PhD candidate Anita van der Hulst researched why so few Roma and Sinti went on to higher education. PhD defence on…

Dit deel bevat de editie of heruitgave van 52 papyri en ostraca, daterend uit de periode tussen de derde eeuw voor Christus en de achtste eeuw na Christus.

The Children’s Rights Observatory is pleased to launch the Spanish version of the website. This new feature of the website is a result of the partnership between Leiden Law School and the Center for Constitutional Studies of the Mexican Supreme Court (CEC-SCJN).

On behalf of the interdisciplinary programme Social Resilience & Security, we would like to remind you of the call for proposals for seed funding (up to €4.000) to boost interdisciplinary research.

Recently, Hans-Martien ten Napel was in the news on the above subject several times.

It is with great sadness that Leiden Law School has learned of the sudden death of Professor Aart Hendriks on 9 February 2025.

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

Roughly arrested and subjected to extreme isolation. Using his experience, expert Jason Bhugwandass spoke to 50 young people who have spent time on Zikos wards (‘very intense, short-term observation and stabilisation wards’). He concluded that they’re ‘mostly locked up’ and leave ‘even more traumatised’…

Cutting down global emissions of greenhouse gases to combat global warming won’t do the trick alone: we also need negative-emissions technology that can capture carbon dioxide directly out of the air. In the prestigious journal Global Environmental Change, PhD candidate Oscar Rueda and colleagues shed…

Giulio Barbero and Matthias Müller-Brockhausen did their PhD research at the Leiden University Game Research Lab.

Koen Keijzer combined three mathematical models into one unified system capable of making meaningful predictions about how cells form blood vessels. This helps biologists studying the chaotic, leaky blood vessels found in and around tumours.

Stephan Raaijmakers has been Professor of Communicative AI since 1 May. Prior to this, he had held this position for five years as professor by special appointment. How has his approach to AI changed in that time?

On 16 June, Leiden University opens the MIGRADROME: a unique, seven-metre-long artificial river. Researchers will use it to study how light and sound affect migratory fish. ‘We’re recreating a real river, but under fully controlled conditions.’

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…

PhD candidate Daniël Gomon has developed statistical methods that could significantly improve research in fields like medicine and demography. ‘Mathematicians don’t like unrealistic assumptions,’ he says. Gomon will defend his PhD thesis on 19 June.

Three students in Elpine de Boer’s class “Practicing Religious Studies” have been working together on a “Leren met de Stad” (“Learning with the City”) project with community centre Morschwijck, located in Leiden. The students were asked by the organization Incluzio to investigate to which extent cultural…

Two consortia led by Leiden researchers have been awarded over one million euros by the Dutch Research Council and the Ministry of Health, Welfare and Sport to find solutions to antimicrobial resistance.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

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.

On Monday 23 August 2021 the graduation ceremony took place in the Leiden University Academy Building’s Groot Auditorium. Graduates and staff abroad participated online via the Livestream and Zoom.

On Tuesday 23 August 2022 the graduation ceremony took place in Leiden University’s Academy Building. Graduates and their guests greatly enjoyed the festive ceremony.

When hobby divers revisited a nearly 400-year-old shipwreck off the coast of Texel, they discovered more than 1,000 objects in wooden boxes. Eight years later, postdoc Janet Dickinson used recovered books to compile a profile of the mysterious owner.

Pensions not tailored to the self-employed, working mothers with stagnant salaries and people unable to find work due to incapacity. Pim Koopmans was recently awarded a PhD from Leiden University for his research on these issues and the corresponding financial risks.

Over the past few months, Urban Studies students have been helping to think about the realisation of the Humanities Campus. To test their knowledge in practice, the future urban specialists gave advice on several different aspects, including thermal energy storage and the new central campus building…

Every year 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…

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.

Humans are increasingly losing agency on social media. A team of legal scholars from Leiden University, computer scientists from other universities and civil society organisations, is conducting a study into the balance of power between Big Tech and users.

On 8 March it’s International Women’s Day, and FGGA reflects on the experiences, perspectives and visibility of women. We spoke to four women from our faculty about what they are proud of, their personal journeys and social change. Their honest stories highlight just how diverse womanhood can be.

Lecture, Workshop and Egeria Lecture

After a detour via the ANWB in Munich, alumna Manon Schouten works as a history teacher at two schools. ‘It's so rewarding to see the material resonate with students.’

LUMC research has shown that women who previously had a miscarriage due to COVID-19 are not at increased risk of having another miscarriage or a stillbirth. Nor are preventive drugs needed during the pregnancy.

Playing with nitrogen and fire to show school pupils how exciting science can be – that’s what the student volunteers of Stichting Rino do alongside their studies. ‘If there’s even one child who gets interested in science, that’s what it’s all for.’