Astronomers led by Simon Portegies Zwart used simulations to reconstruct how three stars were ejected from the star cluster R136, 60,000 years ago. The analysis reveals that five stars were involved in the event in the Tarantula Nebula.

Het Leids Universiteits Fonds (LUF) heeft recentelijk twee subsidies toegekend voor rechtshistorisch onderzoek. Deze financiering ondersteunt projecten over de bescherming van graftekens en de beperking van maritieme aansprakelijkheid, uitgevoerd door promovendi Eva Drommel en Tim Lubbers.

Over two days in the middle of April the Leiden University Centre for the Arts in Society hosted the virtual Bodies Matter conference. Almost two years in the making, the conference was an exciting and timely opportunity to discuss and debate histories, theories and practices of bodies.

Organisation

On Saturday 25 June, the Europa Institute of Leiden University hosted the 61st Leiden-London Meeting, an annual event organized jointly by the Europa Institute and the British Institute of International and Comparative Law (BIICL). This year’s meeting had “Interdependence, cooperation and strategic…

Do you recall all those drugs that were hastily proposed as potential treatments for COVID-19? In the event of a future pandemic, the goal is to offer an effective treatment more quickly and efficiently. To achieve this, a team led by Coen van Hasselt is developing a platform that can speed up the process…

Leiden University and African Child Policy Forum hold ‘ground-breaking’ workshop on antimicrobial resistance (AMR) and human rights in Africa

Translating ancient texts, filling in missing parts of clay tablets: articles are popping up more and more often about the possibilities offered by artificial intelligence for researching documents in the oldest scripts. Are we better off leaving the deciphering of ancient texts to computers from now…

For her bachelor’s thesis, Molecular Science and Technology student Madouc Bergers synthesized her own molecule that can inhibit the breakdown of sugars. Although most students do not even manage to make one building block, Madouc made three. Partly because of this, she has been nominated for the Science…

On 8, 9 & 10 October Share the LUVE takes place, the graduation show with the work of this year’s graduates of the Cultural Anthropology master Visual Ethnography. In three days 22 films, a graphic novel, artwork and photos will be presented in De Buurt, close to Leiden Central Station. If you don’t…

Within the same species of butterfly many different wing patterns can occur. How is this possible? According to researchers Ben Wielstra and Emma Berdan, of the Institute of Biology Leiden (IBL), the answer lies within supergenes. A supergene is a part of a chromosome that contains many strongly linked…

University lecturer in Management & Organisation Sarita Koendjbiharie is a welcome lecturer on The Hague campus, and not only because she takes a genuine interest in her students. In fact, Koendjbiharie brings her dog Coco to campus whenever she can.

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

If you look at the postwar cartoonists of Dutch origin, Bernhard Willem Holtrop is certainly the most interesting, according to Frenk Driessen. He wrote his PhD thesis on Holtrop - who drew for HP/De Tijd and Charlie Hebdo, among others - and then also published it as a book.

Understanding the behaviour of tiny droplets in our cells could aid the search for new treatments. A team of Leiden researchers has developed a groundbreaking method to study how these droplets transition from liquid to solid. This change plays a role in various diseases, including neurodegenerative…

The Lucia de Berk case or the suicide of Slobodan Praljak at the International Criminal Tribunal for the former Yugoslavia: certain trials keep popping up in media. In her dissertation, Tessa de Zeeuw examines the cultural appeal of such cases and analyses artistic responses. ‘Artworks sometimes have…

Sander van Kasteren (Professor of Molecular Immunology) makes the invisible visible. He will explain more in his inaugural lecture.

How do cells repair their damaged DNA—and what happens when that process is hindered and cancer arises? Sarah Moser has taken a closer look during her PhD, uncovering surprising insights that could help improve future cancer treatments.

Artificial Intelligence is likely to have far-reaching consequences for all actors in the realm of academic publishing, including authors, editors, researchers, and readers. This symposium aims to foster the conversation about the various ways in which we evaluate, enrich, and disseminate academic knowledge,…

In a world where bacteria are increasingly resistant to antibiotics, Emma van Groesen set out to find a solution. This month she obtained her PhD, after four years of research into new variants of the antibiotic vancomycin. With success.

The European Research Council (ERC) has awarded an Advanced Grant to six Leiden researchers. It awards these significant grants to established principal investigators for ground-breaking, high-risk research.

Packages of DNA strands containing silver, measuring just two or three nanometres in size. Leiden physicists Donny de Bruin and Dirk Bouwmeester create these packages, which can enter living cells on their own. They then activate the silver with light, causing the cells to break down. This could, in…

The Israel-Palestine conflict regularly sparked intense debates in university lecturer Noa Schonmann's classes. She decided to start a podcast with journalist Rajaa Natour to teach her students to have deep and difficult conversations in a nuanced way.

Violent conflicts and civil wars in Chad impede most rural households' access to food security, agricultural activities and access to essential services such as health care. In her dissertation, Nakar Djindil Syntyche denounces this issue. She obtained her PhD on 24 November.

On 22 June 2022, the research group on Institutions for Conflict Resolution organised its second annual overarching PhD lab. During this meeting, the PhD researchers connected to COI presented the current status of their research projects.

Ayo Adedokun, Assistant Professor at Leiden University College The Hague (LUC), was one of the four finalists for the National Teacher of the Year Prize for 2022. The National Prize is an annual event organized by the Dutch National Students Association (Interstedelijk Studenten Overleg, ISO), and the…

Suddenly there they were, the Russian soldiers near the border of Ukraine. Since then, reports of tensions between Russia on the one hand and the United States and Europe on the other have dominated the news. What is going on? An interview with Russia expert André Gerrits.

This week is the annual Healthy University Week at Leiden University and the LUMC , and the theme this year is: “Time to Recharge”! It’s going to be a week filled with lively activities ranging from brief energizers and interesting lunch lectures to interactive workshops about things that can help us…

Maud Rijks recently joined the Institute for History as a PhD candidate within the starting grant project "You say security, I say crisis – Challenging Disciplinary Boundaries in Security Cooperation and Crisis Governance" under the supervision of Dario Fazzi. Below she introduces herself.

In a new FSW Honours College course students from various academic disciplines dive into the world of artificial intelligence (AI). The course, 'Artificial Intelligence: Understand and Create' was designed by Marc Cleiren and Pieter Pierrot to be accessible to all students, regardless of their prior…

In a well-filled Telders Auditorium, university learners of Korean competed with each other to see who speaks Korean the best.

Leiden researchers, led by Sebastian Pomplun developed a new method to screen hundreds of thousands of molecules for drug discovery, using mass spectrometry instead of DNA tags. ‘We wanted to make drug discovery faster and more accessible.’

Data Science & AI student Nataliia Bagan combines a passion for mathematics, language, and artificial intelligence. Her exceptional bachelor’s thesis on improving reasoning in large language models earned her a nomination for the Leiden Science Young Talent Award 2025.

Speculation about alien life, a new nitrogen map, AI as a thesis supervisor, groundbreaking telescopes and multi-million-euro investments to combat antimicrobial resistance – the diversity of these topics shows that our readers are just as broadly interested as our researchers. Discover the most-read…

Too expensive groceries, diseases suddenly breaking out: from the sixteenth to the nineteenth century, hundreds of people documented the world around them in chronicles. A significant number of these texts have been digitised in recent years. Professor of Early Modern Dutch History and project leader…

Conference

What is the significance of the history of slavery for our present-day society? A special exhibition in the inner courtyard of the Academy Building features eleven insightful portraits of students and staff, and their answer to this question. The aim of the exhibition’s initiators is to make the subject…

Research

Academic writing: it’s something that all students have to face. And it can be really quite difficult. The writing coaches at the Humanities Writing Center will therefore support you at every stage of your studies.

Two-day Seminar

Conference

Conference, Second Conference of the Leiden Jewish Studies Network

Course, Summer School

Symposium

This month's flash interview is with alumna Sytske Besemer, Criminologist, who works at a startup called Cradle. Sytske has specifically chosen to work for a company with societal impact. And she is about to move again, this time to Zürich.

An atomic vandal has finally been caught! Scientists from Leiden University and the Department of Energy’s SLAC National Laboratory have uncovered the mysterious cause behind the rapid corrosion of platinum electrodes. This breakthrough paves the way for more affordable green hydrogen production and…

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

Should Leiden University cut its ties with the fossil fuel industry forthwith? This was the main question in a debate between students and staff. The answer was clearer for some than for others.

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

Workshop