A mere day after setting foot ashore in the Bahamas on October 13th 1492, Christopher Columbus notes the broad foreheads of the inhabitants of the Americas. These permanently altered cranial shapes are deliberately created through the application of pressure to the head of the infant in the first years…

How were war heroes and war criminals created, and how do these images relate to the historical context?

Political protest is often at least partially about the question of legitimacy. How can we distinguish whether a regime is legitimate, or merely purports to be so?

The main aim of this research is to understand the dynamics of identity within indigenous Caribbean communities as expressed through the practice of intentional cranial modification. A multidisciplinary approach will be applied to achieve this aim, combining current anthropological and sociological…

Peer-mentored cognitive behavioral therapy for adolescents with mild intellectual disability and anxiety disorder

Reading emotions from others’ faces strengthens social relationships. But how is that for children with hearing loss? Can they learn to read faces just as easily as hearing children? The study by Yung-Ting Tsou and colleagues shows that daily

In this dissertation several settings in the Online Learning framework are studied. The first chapter serves as an introduction to the relevant settings in Online Learning and in the subsequent chapters new results and insights are given for both full-information and bandit information settings.

In my thesis I study Majorana fermions from three different perspectives. The first one corresponds to non-interacting Majorana fermions that, however, pose non-trivial topological properties. The second one corresponds to strongly interacting Majoranas and the third to relic neutrinos. No one knows…

The largest fertility clinic in the Netherlands lied to women, sperm donors, and the Health and Youth Care Inspectorate. On ‘Nieuwsuur’, Mirjam Sombroek van Doorm, Professor of Law and Health, foresees legal consequences: 'The situation is too serious.'

To what extent are the rights to street children violated en how can their rights be protected?

From one year to the next, face masks have started to appear in the environment. As the masks are discarded, they end up in the top soil, in sediment layers, and in refuse heaps. In a couple of generations archaeologists will study the layer that has already been labeled the Face Mask Horizon. Current…

RAWCLIC’s main goal is to develop knowledge on the future raw materials (RMs) demand, supply and associated environmental impacts induced by the energy and digital transitions in the EU, and to support fact-based industry- and policy- decision-making enabling these transitions.

On Thursday July 1, our alumna Lise Stork will defend her PhD thesis at Leiden University. It is about using AI to make sense of handwritten natural history archives.

On 30-31 October 2025, the University of Coimbra will host the workshop 'Small Communities Facing Danger. Strategies of Solidarity and Resilience Before the Modernity'. Deadline for submission of papers on 31 May.

External PhD candidate Liselore Tissen (Leiden University/Delft University of Technology) has been blogging on the Faces of Science website since March about her daily work as a researcher. ‘Academia is anything but stuffy.’

To tackle deepfakes, Denmark proposes expanding copyright law so everyone gets copyright over their own face and voice. There are similar ideas in the Netherlands with an online consultation. In Latvian newspaper ‘Latvijas Avīze’, Dirk Visser and Bart Custers discuss the proposals.

Academics regularly face threats, intimidation and abuse. The Universities of the Netherlands (UNL), the Dutch Research Council (NWO) and the Royal Netherlands Academy of Arts and Sciences (KNAW) therefore launched the WetenschapVeilig platform on 7 November 2022.

The Faculty of Humanities, Leiden University Centre for the Arts in Society (LUCAS) is looking for a: PhD The Illustrated Aesopian Fable in Education in France 1500-2010 (1.0 fte) Vacancy number: 16-123

The Dutch government will be unable to make wearing face masks mandatory in public spaces in the short term, according to three constitutional and administrative law experts in NRC newspaper, including Wim Voermans.

Recently, the University of Amsterdam was the scene of pro-Palestinian demonstrations that got out of hand. The demonstrators included rioters who wished to remain anonymous by wearing face coverings. Several experts, including Wim Voermans, Professor of Constitutional and Administrative Law, spoke…

In pursuit of solutions to China’s inter-regional cross-border insolvency cooperation, my doctoral dissertation provides 10 original recommendations accompanied with comments, which are entitled “China’s Inter-regional Cross-border Insolvency Arrangement” (CICIA).

Invoking old legislation, Spain has imposed fines on five airlines, including Ryanair, in an attempt to crack down on extra fees for hand luggage and seat reservations, as well as other surcharges. Steven Truxal, Professor of Air and Space Law, discusses this in Dutch daily newspaper ‘de Volkskrant’…

On Thursday 10 November, the GTGC organized a research seminar. During this seminar Saori Katada presented her paper on Regional Approach to Financial Statecraft: Japan and India in the Face of Rising China.

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

What is life like as an academic? Twelve PhD candidates will report on their daily work in videos and blogs on the Faces of Science website (in Dutch). They include three researchers from Leiden who are researching topics such as North Korean support for African liberation movements, how differently…

The Dutch police face complex challenges, from organised crime and polarisation to digitalisation and new forms of crime. To deal with this effectively, they need innovation and intensive collaboration, says Professor by Special Appointment of Police Studies, Monica den Boer, in her inaugural lectur…

Every year on 26 November Leiden University commemorates the protest speech given by Professor Cleveringa against the Nazis. At least 663 students, staff and alumni of the University lost their lives during the Second World War, yet little was known about these victims. PhD candidate Adriënne Baars…

Why do we give students fictional assignments when there is a multitude of real-world problems just waiting to be solved? Leiden University, Leiden University of Applied Sciences and the Municipality of Leiden are joining forces with partners from the public sector in the Learning with the City project,…

The Developmental and Educational Psychology unit nominated Jiemiao Chen's paper

The government wanted to show some muscle by making it compulsory to wear face masks in public indoor spaces as of 22.00 hours on 14 October. But it looks as though this will be 1 November after all. No need for that, tweeted Leiden professor of constitutional law Wim Voermans on 14 October, you can…

Twenty-two year old student of Leiden University College The Hague, Sara Kemppainen on her role as European Union Delegate at the G(irls)20 Summit, founder of WIL, UWC Alumni, Summit Coordinator and Bachelor student committed to bringing human welfare to the center of tech policy.

After three years of courses, exercises, debating and reflecting, Honours College students received their certificate during a festive ceremony. Even more than with the certificate as such, attendees were pleased with the way Honours enables students to deal with an increasingly complex world.

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.

Have you ever seen your friend smiling, and suddenly you started grinning too? PhD student Chris Riddell is researching how and why we copy body language. As a new Face of Science, he will take us along on his research journey for the coming year.

Nichiran kankei-shi o yomitoku [Revisiting the History of Dutch-Japanese Relations] is a new, two-volume Japanese publication with a chapter written by Wulan Remmelink. Both volumes offer a new look on the historical relations between Japan and The Netherlands during the Edo period by examining various…

In the article 'Dankzij Instagram hebben jonge vrouwen over de hele wereld hetzelfde gezicht' in the Dutch newspaper NRC of 4 November 2021, Cultural Anthropologist Jasmijn Rana (Assistant Professor at CADS) talks about what she considers problematic about the Instagram face. The article discusses the…

He was a popular face in the Leiden student world and even developed his own merchandise, but all good things come to an end. After seven years, community support officer Dennis Perdok (49) is leaving this role. Last week he bid farewell to the police and to his job in Leiden’s city centre.

Raymond Fagel, university lecturer in General History, wrote a book about his research on Spanish commander Mondragón. He spared Zierikzee during the Eighty Years’ War and is considered to be ‘the good Spaniard’. What led Fagel to research this topic? And how does such research work? We asked him:

Every year, student mentors are appointed for first-year students at Leiden University. These mentors help new students with getting started. Tatum Meijer is a student mentor, for the bachelor's programme English. Especially now, in a period of crisis, the role of student mentor is very important.

To mark its 75th anniversary, the Netherlands War Graves Foundation is publishing a portrait of a war victim every week this year. On 24 January the drawing of Irawan Soejono, a Leiden student and Indonesian resistance member, was unveiled at the Groenesteeg cemetery in Leiden, the place where Soejono…

'Academics who share their knowledge with the outside world on social media are often insulted or even threatened. Especially female academics and academics of colour seem to regularly be the victim of sexist and racist comments.' This is what Ineke Sluiter, Professor of Greek Language and Literature…

How can we make the information in handwritten historical research reports accessible and searchable? Data scientists at Leiden University are working with other universities on a method that will improve access to cultural heritage.

This case study-based textbook in multivariate analysis for advanced students in the humanities emphasizes descriptive, exploratory analyses of various types of data sets from a wide range of sub-disciplines, promoting the use of multivariate analysis and illustrating its wide applicability. Fields…

Three years ago, on 13 October 2017, the Leiden Medievalists Blog was established. In their blogs, Leiden researchers from all disciplines talk about the Middle Ages in a fun and interesting way. Editors Jip Barreveld, Marlisa den Hartog and Thijs Porck talk about the blog and why the Middle Ages are…

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

The university has been shaping the city of Leiden for 450 years. A brief history of the university buildings that have helped define the city.

Leiden University celebrated the Relief of Leiden with the 3 October University. This year the University also took part in the festive parade, to promote 444.