Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Dr. Salwa El-Awa delivers a talk on Wednesday, November 2nd, on "Ambiguity in the Qur'an".

As of 1 September, archaeologist Amanda Henry has been appointed Full Professor at the Faculty of Archaeology, where she will hold the chair in Evolution in Hominin Diets. The appointment marks a new chapter in her academic journey, building on her longstanding research into ancient human diets and…

Alumna Simay Çetin received the award for her Master thesis: ‘Interpreting Culture through Embodied Practice: An anthropological study of sexuality among Dutch Women with Turkish Migrant backgrounds.’ Nova, Marta, Iris and Emma were awarded for their Fieldwork NL report.

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

How unique is the human capacity for learning and adapting to an environment? In field research – in the rainforest and Artis Zoo – primatologist Karline Janmaat is studying how humans and other primates adapt to their environment in their search for food. She will give her inaugural lecture as Professor…

Ten years later, a group of veterans still struggle daily with the effects of their deployment to Afghanistan. Sanne van der Wal, a PhD candidate at the Leiden University Medical Center (LUMC), conducted research into the effects of PTSD.

Who assembled the collections of museums? The answer to this question seems to point to men as collectors. Apart from for rare exceptions, female collectors hardly seem to exist. Yet there were indeed women collectors. For the project Museums, Collections and Society, researcher Holly O'Farrell will…

Protests against textbooks on trans persons in America and against a reading hour by drag queens in Rotterdam: it has been raining protests recently against people with a gender expression that does not match their birth sex. Why does this evoke such resistance? We asked Professor by special appointment…

Erection problems can have a huge impact on quality of life and health, but current diagnostic methods are painful, uncomfortable and technologically outdated. PhD candidate Evelien Trip has developed a new device that can measure erections more comfortably and painlessly.

On 14 September, the Leiden Essay Film Festival will kick off. This three-day festival, organised by the Academy of Creative and Performing Arts, marks a first for the Netherlands. Never before has there been a public event entirely dedicated to the exceptional genre of the essay film. The festival…

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.

They have known each other since they were small but Rianne and Tom first fell in love when working together at the university. That love culminated in a fairytale wedding amid all the revelry last 3 October.

Martijn Verkuilen is the winner of the Unilever Research Prize 2022. By transferring DNA from a plant into yeast, he made the first move to produce a new drug for type 2 diabetes. He collected his prize in Wageningen on 24 November.

Nadine Akkerman, associate professor of early modern English literature is receiving the Dr Hendrik Muller Prize 2021 for her work.

Today, anyone wanting a new look for their living room watches a home decorating programme or buys an interior design magazine. In the eighteenth century, people went to an upholstry specialist, who would provide you with new wall coverings, curtains and much-needed accessories. PhD candidate Aagje…

Prof. Sarah de Rijcke will succeed Paul Wouters as dean of Leiden University's Faculty of Social and Behavioural Sciences (FSW) from 1 January 2024. Paul Wouters will retire at the beginning of January.

Carola Hein, Professor of History of Architecture and Urban Planning TU Delft, has been affiliated with the Institute of Cultural Anthropology and Development Sociology of Leiden University since January 2022 as Professor Water, Ports, and Historic Cities. On the surface this may seem a strange combination,…

E-mails are not the first thing that comes to mind when thinking about sustainability. Yet, your e-mails can add kilos of extra CO2 to the atmosphere each year. Students from the LDE Bachelor Honours Programme Sustainability tackled these and other sustainability challenges on behalf of partner organisations.…

How often do you consider the impact of your choices? 10 October is Sustainability Day: a good time to introduce the new bachelor's programme Science for Sustainable Societies.

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

Aukje Beers combined theory and practice, as well as chemistry, biology, and computer models. In this way, she discovered two protein inhibitors during her master’s project that could contribute to the development of a new cancer drug. For her research, Beers received the Unilever Research Prize on…

Galaxies in the early universe contain more dust and hidden star formation than previously thought. That's what Ivana van Leeuwen concludes in her PhD research, where she combines data from various telescopes to create a more complete picture.

On Thursday 11 December 2025, Daan Roovers, the philosopher and former Denker des Vaderlands (Philosopher Laureate), will give the 54th Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title What’s at stake: The boundaries of politics and fair play, she will reinterpret Johan Huizinga’s…

One of the core concepts of the Master programme Crisis & Security Management (CSM) is ‘governance’. In the course Security Networks and Technology, the focus is on the interplay between various levels of security governance and new technological developments.

The Master of Laws: Advanced Studies in International Children’s Rights (LL.M.) was launched in 2015 to equip a generation of professionals to protect the rights of children worldwide. As the programme celebrates its 10th anniversary, we reflect on its impact.

After the summer, the SPSS statistics programme will be replaced by the new ‘R’ software for first year students. Hemmo Smit and Sjoerd Huisman, both lecturers in Methodology and Statistics, initiated this major change in the curriculum. That did not happen overnight.

After a turbulent Covid year, the well-being of our students and staff has the highest priority. How can we prevent physical and mental health problems? This was the key question at the Opening of the Academic Year in Pieterskerk in Leiden on 6 September.

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

As sea levels rise and climate change speeds up, knowledge about the ocean becomes increasingly important. But how is this knowledge being created and how can we use it best to prepare for the future? To answers these questions, Jackie Ashkin studies the day-to-day work of ocean scientists from up c…

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Thursday 15 January starts with a long journey and ends with an equally long working day full of current issues. Jasper visits the Mathematical Institute with the scientific directors of our faculty and attends a meeting on collaboration with the Ministry of defence.

Leiden University co-hosts Council of Europe expert exchange on accountability for crimes against children in Ukraine

How can we as a society prevent suicide? According to Professor of Suicide Prevention Renske Gilissen, a better understanding and targeted action could help save lives.

What are the often invisible cognitive consequences of multiple sclerosis? Maureen van Dam mapped these out during her doctoral research. 'People usually notice the physical symptoms, but the cognitive symptoms deserve at least as much attention.'

Many European citizens feel connected to the European Union and place trust in it, Eva Grosfeld found in her PhD research. Yet around a quarter do not identify with the EU at all. How can the EU regain their trust?

With 'The unruly reality of a new government: Navigating between networks and serving in a 'vulnerable' neighbourhood', Mony Klaus has won the FSW Thesis Prize 2023. Written as part of the Master's programme in Cultural Anthropology and Development Sociology, the thesis examines how a new government…

At the beginning of the corona pandemic, our Faculty appointed student mentors to guide first-year and international students. What drives these mentors, and what is it like to be back at the Faculty again? Mireia and Marten tell us all about it.

The image of the European Union (EU) as a remote law-making machine is widespread. Quite often journalists and politicians deliberately depict ‘Brussels’ as bureaucratic, even undemocratic, bypassing its citizens. And many of us buy into that image. Nikoleta Yordanova, Anastasia Ershova and Aleksandra…

When Jeanette Wagenaar read Simone van der Vlugt's De amulet (The Amulet) at the age of eleven, she decided that she too wanted to write a historical novel one day. Thirty years later, Gooilust, about Louise Blaauw-Six, has now been published.