On 11 and 12 September 2025, a conference will take place at the KU Leuven, titled: "Canonical Life in Western Europe in the Long Tenth Century: Reforms, Identities and Intellectual Networks (Late Ninth Century - c. 1050)." The organisers invite paper proposals of max. 400 words in English or French,…

Together with physiotherapist and lifestyle therapist Jaap Wonders of SMC Rijnland, Helen Pluut conducted research during the first COVID-19 wave on the experiences of working people. The reason for the research was the compulsory situation of working from home many people found themselves in. One of…

Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.

James Webb life’s building blocks

Marieke Liem wrote a contribution for DJIzien, a magazine published by the Dutch Custodial Institutions Agency (Ministry of Justice and Security), about her meetings with long-term prisoners. ‘For my research on long-term prisoners I made numerous visits to Dutch prisons. During these visits, I came…

An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…

Coen van Hasselt’s pharmacology group collaborated on a study recently published in the renowned Lancet Infectious Diseases. The international team mapped the antibiotic treatment of the life-threatening inflammatory reaction sepsis in newborn babies. They did this for low- and middle-income countries,…

Geriatrics needs to radically change. This is what Simon Mooijaart will say in his inaugural lecture.

How did people experience Islam on a day-to-day basis in the early centuries of Islam? That's where the papyri come in, says professor of Arabic Petra Sijpesteijn in the fourth video of the Leiden | Islam interview series.

An investigation by Dutch news site RTL Nieuws reveals that an error at the Regional Institute for Juvenile Outpatient Mental Healthcare (Jeugdriagg), has led to the files of children, many with serious psychological problems, being leaked.

The transition to electric vehicles (EVs) reduces vehicle emissions to combat climate change. EVs raise concerns regarding the production of lithium-ion batteries and related emissions; while batteries can also provide energy storage services for the electricity system.

Natashe Lemos Dekker addresses the experiences of family members of people with dementia as they expressed their sense of gradually losing the person with dementia in the article 'Anticipatory Grief in Dementia: An Ethnographic Study of Loss and Connection' published in Culture, Medicine, and Psychi…

The underwater world around present-day Indonesia has changed greatly in recent centuries as a result of human activity. University lecturer Johannes Müller has been awarded an NWO XS grant to map the history of the Indonesian ecosystems.

On Thursday the 15th of March, an exhibition displaying funerary masterpieces of Deir el-bersha was opened at the Egyptian museum on the occasion of 120 years of archaeological research at the site. The exhibit runs until 15 April.

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.

The life cycle of comets near the star Beta Pictoris is similar to that of comets in our own solar system. This is the conclusion of a team of astronomers from the Netherlands, France and Brazil. It seems that, just like in our own solar system, there are fewer comets as the star gets older. The researchers,…

Christiaan Snouck Hurgronje (1857-1936) is known as an Islamologist, author of the book Mecca, administrator in the Dutch East Indies for the Dutch government and professor in Leiden. Wim van den Doel published a biography of Snouck Hurgronje in 2021. Recently, the translation of the biography in Bahasa…

It is not always easy for students to apply their academic knowledge in practice and get acquainted with the work environment of professional public organisations. Public organisations may struggle in turn to successfully address leadership challenges in their current way of working.

On Friday 24 March, Prof. Amanda Perry-Kessaris (Kent Law School) will deliver the monthly Leiden Socio-Legal Lecture.

What are the environmental trade-offs for SMEs considering moving from monoculture aquaculture practice towards IMTA? What are the environmental trade-offs comparing IMTA species with their conventional monoculture alternatives?

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Clinical pharmacologist Lu Chen is the third in this series to…

In the near future, students of the LDE Bachelor Honours Programme Sustainability will take on real-life sustainability challenges. But first, the course ‘Fundamentals of Sustainability’ provides them with an environmental mode of thinking: “It allows you to focus on what is useful in practice.”

Monica den Boer, who has decades of experience within police and defence and was also active as a Member of Parliament (D66), has been appointed extraordinary professor of Police Studies.

Last year around 2,000 international students started a master’s degree at Leiden University. To make this possible, there are various grants that these students can apply for. One such grant is the LExS: the Leiden University Excellence Scholarship Programme. Three LExS students tell us about their…

Anna Loh is a third-year student of the BA in Arts, Media and Society. We spoke with Anna about what it’s like to write a thesis during COVID-19, Instagram selfies at the museum and growing up abroad.

It is the final stretch for the students of FGGA. Summer is approaching and they are working hard to complete everything before the summer holidays. We asked some of them how they look back at the academic year. ‘Being a mentor during HOP week is something I can recommend to everyone’

How do we deal with large sources of greenhouse gases? Do schools provide a socially-inclusive environment for all children? And how can we protect Earth’s nature? These questions have two things in common: they are complex global challenges, and data can help answer them. Mitra Baratchi is computer…

Claire Vergerio, political scientist at Leiden University, has been awarded a VENI grant by Dutch research organisation NWO. This will allow her to conduct an in-depth analysis of the legal rights and duties of non-state actors involved in warfare. The aim is to tackle some persistent blindspots in…

During last summer, the Faculty of Law offered an Honours Class about the theme 'Governing Crime and Migration'. Hillary Mellinger, one of the participating international students, tells us about her experiences.

From films, video games and historical novels to Nordic folk bands, Old English from the early Middle Ages is experiencing a revival in the 21st century. Together with international colleagues, university lecturer Thijs Porck (LUCAS) made a book about the 'resurrection' of this dead language.

Historian Alanna O’Malley has been appointed to a brand-new Professorial Chair in United Nations Studies in Peace and Justice in The Hague. This extra attention for the UN comes at a significant moment in world history, she says.

Luis is a third-year bachelor’s student Security Studies. During his elective space, he did an internship at the German Ministery of Labour and Social Affairs.

With the What's Next? series we hope to inspire current Media Technology MSc students, show the variety of paths taken after the studies, and bring together alumni. Editions of the series are generally organized around a particular theme by Media Technology MSc students themselves, and followed by social…

What performance criteria does a new technology have to fulfill in order to be added to the list of future energy options and what constraints exist in terms of broad market penetration?

Five students who graduated from the Bachelor Security Studies share their experiences. Where did they end up after graduation? Are they still using the skills they gained during their studies?

An international research team is to search for invisible life in the Galápagos Islands. The diversity of bacteria and other microscopic organisms may not be evident to the naked eye, but it is essential to nature. To the islands' giant daisies, for instance: unique endemic plants that are currently…

Following the European Union membership referendum in the United Kingdom on 23rd of June 2016 and its result, Brexit has turned into a theme dominating public discussion in Europe and beyond.

Following the European Union membership referendum in the United Kingdom on 23rd of June 2016 and its result, Brexit has turned into a theme dominating public discussion in Europe and beyond. The vote of the people of the UK to leave the EU represents an unprecedented episode in the history of European…

Getting young people excited about history is quite possible without books. Researchers from Leiden travelled to Morocco to work with schoolchildren on reconstructing cultural heritage in the popular video game Minecraft. The result: one virtual 14th-century city gate – and 20 teens with a greater appreciation…

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

We know we should do it, and we often want to, but… Why is it so hard to live a healthier life? Professor of Behavioural Interventions in Population Health Marieke Adriaanse explains.

In a new article in the journal Scientific Reports, Leiden archaeologist Wei Chu and colleagues report on recent excavations in Western Romania at the site of Româneşti, one of the most important sites in southeastern Europe associated with the earliest Homo sapiens. The site gives an important glimpse…

For seven years she worked at Noordeinde Palace, as the Private Secretary of Queen Máxima. Since the summer of 2021, Gabriella Sancisi (1973) has been the Dutch Ambassador in Slovakia, where the Embassy in Bratislava’s historic city centre is now her base.

A team of Leiden researchers has won the Ammodo Science Award for innovative humanities research on perceptions of cultural heritage.

Translating texts, rehearsing scenes or practising music. Over the last few weeks, students of the BA Classics programme have been focused on just one thing: their production of the Greek tragedy Hecuba. Almost a third of them are involved in it. Iris de Smalen, who plays Hecuba, and Christoph Pieper,…

In addition to his Film and Literature Studies, Bob van Oosterhout is a bassoonist with several orchestras. He is going to Milan with the student choir and orchestra ‘Collegium Musicum’.

This ethnographic exploration of anticipation published in the Journal of the Royal Anthropology Institute draws on fieldwork among people with dementia and their families in the Netherlands.

A standing ovation. A wave and a smile from the president. A final selfie. Ukrainian President Volodymyr Zelensky addressed students in the Netherlands for the first time on Tuesday morning via a livestream in The Hague. He did so in front of two packed lecture halls at both Leiden University and The…

Three speakers, three fascinating science stories and a well-filled lecture hall. The Niko Tinbergen Lecture had a successful restart on 10 December 2019.