The Lakenhal depot houses three nineteenth-century sample books in which the cotton company De Heyder & Co kept precise records of who placed which orders. History student Marit Scheepsma used them to find out more about the company's colonial contacts.

What role does the frontal lobe play in understanding sentences? Assistant professor Jurriaan Witteman has received a grant to replicate a leading study on this question. ‘As there is some doubt about the reliability of existing neuroimaging results, it’s important to replicate influential studies.’

In the Bachelor Honours Class ‘The Noble Art and Tricky Business of Translation’, Honours students learn about the tricky business of translation. To gain hands-on experience, students had to translate a poem for the seminar on poetry. For some translators-to-be, one language was simply not enough.

If you could design your own education, how would you do it? That is what the students of the Bachelor Honours Class 'Rebuilding Education' asked themselves. The students were divided into five groups in which they designed workshops to improve education. They presented their workshops in December in…

Vier leden van het Grotius Centre, Larissa van den Herik, Carsten Stahn, Anna Marhold en emeritus hoogleraar Nico Schrijver, stellen in verschillende media dat de recente aanval op Iran in strijd is met internationaal recht.

How did science relate to politics and colonialism in the late nineteenth and early twentieth centuries? Assistant Professor Lauren Lauret has been awarded an NWO XS grant to map the colonial and political activities of nineteenth-century scientists.

Seksueel misbruik tussen broers en zussen kan diepe, mentale wonden veroorzaken. Orthopedagoog Sheila van Berkel geeft behandelaars tips voor hoe zij deze wonden kunnen helpen helen.

The AI chatbot ChatGPT has a clear left-liberal bias when filling in the Stemwijzer voting advice application. This was discovered by master's student Merel van den Broek during an assignment for the Machine Learning for Natural Language Processing course.

Quantum games aren’t just a fun way to explain quantum physics — they may also unlock new discoveries. According to physicist Evert van Nieuwenburg, these games create structure and clear rules. Simply playing them can even contribute to better quantum software.

The mandatory diversity quota in the Netherlands means that considerably more women are on supervisory boards of listed companies. This is evident from research conducted by the Netherlands Bureau for Economic Policy Analysis (CPB) to which Leiden University also contributed.

In the early modern period, it was perfectly normal to find recipes, legal documents or medical writings in a book of poems. Holly Riach studied the underlying principles of these ‘miscellanies’ during her PhD.

The School of Democracy is an initiative of several Dutch political foundations aimed at engaging and empowering young people who are eager to strengthen democracy, starting in their own communities. Are you a young adult interested in politics, society, and making a difference? Do you want to become…

Ethics in Caribbean Archaeology, a new open access volume edited by Felicia Fricke, Eduardo Herrera Malatesta, and Maaike de Waal, is already generating significant interest across the region and beyond.

Ammonia has been feeding the world for decades as a fertiliser and is now rapidly emerging as a carbon free fuel for shipping and industry. But if we focus only on CO₂ emissions, we risk creating new nitrogen problems, warns nitrogen expert Jan Willem Erisman in the journal One Earth.

From the first semester of 2026, Leiden University and Universidad Diego Portales (Santiago, Chile) will launch three online virtual exchange programmes. The themes are: political analysis, tensions surrounding Indigenous peoples in Latin America, and the securitisation of borders.

Can a robot help prepare cancer medication in a hospital pharmacy? That’s what hospital pharmacist Tjerk Geersing investigated in his PhD research. He compared manual and automated preparations in terms of quality, efficiency, and safety. He graduated on 19 March.

They are only a few tens of micrometres long — far smaller than the width of a human hair – yet these robots can swim, sense, navigate and adapt in ways that look surprisingly life-like. And all this without having a brain.

In the disk surrounding the young star WISPIT 2, not one but two planets are taking shape. Leiden PhD candidate Richelle van Capelleveen played a key role in this discovery, providing a rare glimpse into the early stages of planetary system formation.

The Executive Board of Leiden University has appointed Dr Alicia Schrikker as Professor History of The Netherlands in the world, effective 1 January 2026. The chair is based at the Institute for History at the Faculty of Humanities.

LDE-FISIP UI Joint Minor students brought various issues in the Greater Jakarta Area to their final assignment in the form of policy briefs. The policy briefs are based on a month of research on the topics of waste management, the myth of the Jakarta dream of the younger generation, urban farming, energy…

From a bachelor's degree in English Language and Culture to a master's degree in International Relations: a minor made it possible for Evanthia Andreadaki. 'For me, this is the perfect combination.'

The lecture series “Humanity in the Automated State” continued on February 12, 2026, at Leiden Law School with Professor Madalina Busuioc of VU Amsterdam, a public governance scholar, AI-DG Lab co-director, MSc programme founder, and recipient of a European Research Council grant.

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

Cultural Anthropologist dr. Anouk de Koning has been awarded the Urban Citizen Fellowship to carry out research about democratisation of local democracy in Amsterdam.

Ester van der Voet received the International Society Award in Industrial Ecology. She is awarded this price for her outstanding contributions and leadership in the field of industrial ecology, and her tireless efforts to promote sustainability and resource management. The ceremony took place on the…

What do you do when a discovery in the lab shows real promise? Scientist Mirjam Huizenga founded a startup to develop a new treatment for nerve pain caused by chemotherapy. ‘The goal is to give patients a better option.’

Medicines are becoming increasingly precise and innovative, but at the same time increasingly expensive. With their innovations, it is up to universities to increase competition, thus causing prices to drop. This is what newly appointed Professor of Biomolecular Analysis Hubertus Irth argues. His inaugural…

Astronomer Jos de Boer has received the Chesneau Prize in Nice for his research into so-called protoplanetary disks. The prize is awarded to the best astronomical dissertation in the field of high angular resolution. 'I consider it a good opportunity to talk about my research.'

The study, made possible through funding from the Hersenstichting, is led by neurologist Brigit de Jong, in collaboration with psychiatrist Sonja Rutten, Karin van der Hiele and Aglaia Zedlitz. Other partners include University Medical Center Groningen, Klimmendaal Rehabilitation Centre and Amsterdam…

Elena Maria Rossi is fascinated by black holes. Her appointment as a professor was a long-held wish, partly because there are so few female professors in her field. ‘My appointment is also a milestone for the Leiden Observatory.’

The Master's programme in History at Leiden University is set to change. From September 2026, three of the five specialisations will be replaced by new subjects that are more closely aligned with the field of research and students’ interests. One of these new specialisations will also be taught entirely…

The connection between programming and reading seems non-existing. Yet in the new reading book ‘De Programmeerbende’ they go together very well. On 26 February author Inge Strijker and co-inventor and computer scientist Felienne Hermans launched the book at the Leiden Institute of Advanced Computer…

Students of the European Union Studies track of MA International Relations visited Brussels this October and met many Leiden alumni who already work there.

The Leiden Academic Centre for Drug Research (LACDR) received no less than three awards during the Figon Dutch Medicine Days. Bas Goulooze won the PhD Prize for best PhD candidate, Natalia Ortiz Zacarías and Huub Sijben both received a poster prize. ‘Scientists must be able to communicate their research…

For the first time, physicists have visualized the ‘melting’ of electrons inside a special class of insulators. It allows electrons to move freely and turns the insulator into a metal and possibly later into a superconductor. Publication in Nature Physics.

Arts and leisure, Arts and leisure

The rise of authoritarianism, the strengthening of the radical right, and the role of the EU in defending democracy—these are just a few of the issues causing concern today. Is the EU capable of defending democratic values within the Union and beyond its borders? In an interview from the Lithuanian…

Workshop

In November, Leiden organized a book presentation to celebrate the first Dutch translation of the collected works of the twentieth-century poet W.H. Auden. A poetry translation contest added lustre to the occasion. There were no fewer than three winners.

After a long period of formation, the Rutte III cabinet presented itself on 26 October 2017. The coalition agreement on which ministers will build is called ‘Vertrouwen in de toekomst’ ('Confidence in the future'). But what impact will this new cabinet have on our future? We asked our researchers in…

No procession of professors, just a handful of people in the church and snowdrifts outside Leiden’s Pieterskerk: 8 February 2021 was no ordinary Dies Natalis. Carel Stolker transferred the rectorate to Hester Bijl, and Annetje Ottow became the new President of the Executive Board. With an honorary doctorate…

Rower Boudewijn Röell (31) already has one Olympic medal, but he's hoping to win another in Tokyo. 'At some point, though, you do have to stop.' Easier said than done in a time of corona.

Never before has so much research been carried out on the therapeutic effect of psychedelic drugs. Researchers at the LIBC Public Day are happy about the effect the drugs can have on depression, anxiety and PTSS, but at the same time they have some doubts. ‘The hype is bound to crash before long.’

Many an archaeologist, at some point in their career, is asked what type of dinosaur they discovered. Instead of once again patiently explaining that we do not do dinosaurs, the Faculty Board has now decided to listen to society’s call. ‘It is clear that the general public feels that dinosaurs are relevant…

Many people have fled to the Netherlands since the outbreak of war in Ukraine, including students. But even before this war, students with refugee backgrounds were eager to study at Leiden University. How does the University help young people from various backgrounds find their way around the Dutch…

PhD candidate Vincent Walstra reflects on alternative social interactions and mutual aid in the city of Rotterdam during the first wave of the Covid-19 pandemic.

From molecular ping-pong to cassava in the Amazon, and from extraterrestrial life to special antibodies. Twenty-five researchers from Leiden University have been awarded a Veni grant from the NWO. A grant of up to 250,000 euros will give them the opportunity to further elaborate their own ideas over…

In 2011 Leiden University came into possession of the skeletons from a graveyard in Middenbeemster. But what could be done with all these bones and skulls? Well, the answer is: more than you might think. Since the excavation, it has been raining interesting scientific discoveries at the Faculty of Archaeology.…

Shyness is perfectly normal, Michiel Westenberg stated in his farewell lecture. But that doesn’t mean that social anxiety shouldn’t be identified and addressed in good time. ‘Serious shyness has strong genetic roots; you don’t just get over it.’