On Saturday, February 11, 2023, at the Dies for Alumni event, archaeology alumni Everest Gromoll was awarded the LUF Thesis Prize. His thesis, titled ‘Neolithizers by Nurture’, explores parallels between the only two comparable climatic shifts in the history of modern humans: that of the one 12,000…

Innovation through repetition. That is how university lecturer Jurriaan Witteman describes his research on the automatic processing of angry voices in the brain. The original research was conducted 20 years ago, but, with an NWO grant, Witteman is now going to see if those results are accurate.

Kirsten Kanneworff and David Dechant defend their PhD research on quantum physics at Leiden University. Fundamental work with applications in location verification and the financial world.

Discovering while still studying whether work in science might be for you. That is what students get during the faculty Research Traineeship Programme. On Friday 1 September, they presented their results to each other and their supervisors.

How do politics and play relate to each other? Six Leiden academics hope to find an answer to that question over the coming years. They have received an NWO grant of 750,000 euros. Professor Sybille Lammes and University Lecturer Bram tell us how they plan to spend the money.

The ninth issue of the Journal of the LUCAS Graduate Conference has been published. This time the theme is ‘Reinventing Boundaries in Times of Crisis.’

Together with students and local residents, historians Ariadne Schmidt and Alicia Schrikker researched the Leiden Transvaal neighbourhood. They will present their findings on Thursday 20 October, at a specially organised mini-festival in the neighbourhood.

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.

On Friday 11 March (16.00 hrs.) Minister Dijkgraaf (Education, Culture and Science) will give a speech at Leiden University entitled ‘When knowledge becomes critical’. In the speech, he will address several critical challenges in science and society. The livestream will be open to all.

White clouds of ice-cold gas flowing across the floor. Magical, but be careful not to freeze your fingers off. We are of course talking about liquid nitrogen and helium. You may have seen the spectacular Freezing Physics science show by the student organisation Rino. But did you know that this commodity…

Knowing whether or not a treatment is working just by wearing your watch? Data scientist Ahnjili ZhuParris has identified a lot of opportunities for the use of machine learning in clinical research to monitor test subjects at home.

Two years after launching an ERC Starting Grant to investigate cultural stereotyping in European Union governance, Adina Akbik and Christina Toenshoff at Leiden University are now publishing their first major findings. Looking at public opinion across the EU, the researchers show that cultural stereotypes…

Arnold Tukker and Mingming Hu (CML) will look for urban resilience solutions in the Dutch-Chinese ReSURE2 project that received 1.1M euro.

There is broad support for the active involvement of the Netherlands in international cooperation. This is shown by a new public opinion survey among residents of South Holland, conducted by researchers from Leiden University.

‘If it rains later, then I’ll take the car.’ In order to reason, we use sentences containing ‘if’ every single day. But how does that work exactly in the Dutch language? Alex Reuneker wrote his 628 page dissertation on the subject. Ceremony on 26 January.

In the research for her upcoming book, Elizabeth Stuart: Queen of Hearts, author and academic Nadine Akkerman stumbled upon a little-known portrait of Elizabeth Stuart, Queen of Bohemia and grandmother of King George I, which she believes would have been considered treasonous at the time it was pain…

Two thousand years ago, the Middle East found itself caught between the rise of the Roman Empire in the west and the Parthian Empire in the east. PhD candidate Nolke Tasma has been awarded an NWO grant to investigate how local inhabitants experienced these changes.

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.

How important is a child’s right to meaningful peer relationships? Vaishnavi Ramalingam wrote her master’s thesis on this topic, and was recently awarded the Royal Holland Society of Sciences and Humanities (KHMW) Jan Brouwer Thesis Prize 2026.

How to represent and assess legitimate interests? On behalf of the Dutch Ministry of Interior and Kingdom Relations, Caelesta Braun and Bert Fraussen developed the framework ‘Afwegingskader Legitieme Belangenvertegenwoordiging’ (Assessment Framework Legitimate Interest Representation). The researchers…

In the article “Neanderthals and Us: We’re More Alike Than Once Thought”, we are reminded that many negative traits, from unintelligent to unsophisticated, have long been attributed to Neanderthals in popular culture. However, recent studies bring to light an ever-increasing amount of evidence contradicting…

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

Bringing the community together, doing up the community centre or researching how to make gardens greener. Students now have a base in Leiden-Noord where they can work with local residents and partner organisations to make the city a better place to live. It was the official opening of ‘Learning with…

During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.

How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

Imparting students with a critical attitude and cross-curricular skills. That is what Rawi Ramautar wants to strive for as the new programme director (OD) of the bachelor of Bio-Pharmaceutical Sciences. 'A programme director has to create a programme of which students say: I find it challenging and…

‘Yamila Miguel brings along immense enthusiasm that sparks over to the students in the lectures,’ her students say about her. ‘She inspires us as scientists-to-be.’ The astronomer teaches master’s students with great passion and interactivity about exoplanets. She has been nominated for the faculty…

Sexual exploitation of children abroad: the Dutch government calls on its citizens to not look away from 'suspicious situations’ while turning a blind eye to the root causes of the problem themselves. Koning, who recently obtained her PhD on transnational sexual exploitation of children from Leiden…

From a powerful documentary to a heartwarming classic: four Leiden alumni have chosen their favourite films and will introduce them at Leiden International Film Festival.

It was a remarkable trend in 19th-century London: middle-class bourgeois bohemians falling in love with anarchism and its assassins. University lecturer Michael Newton has been awarded a NIAS subsidy to reconstruct the lives of three of these families.

The project will further the development of policies, practices, and capabilities in responsible academic career assessment.

Using enslaved people as servants, becoming an administrator in the Dutch West India Company or making uniforms for the colonial army. Many people from Leiden played a role in colonialism and slavery. Historians are conducting preliminary research and finding striking examples.

As part of the euCONSENT consortium, the Center for Law and Digital Technologies (eLaw) has been awarded European Commission funding to create a child rights’ centred cross-border system for online age verification and parental consent.

When we hear the word ‘bird house’, do we process it as a whole or does our brain see it as ‘bird’ and ‘house’? PhD student Jiaqi Wang explored this for speakers of Mandarin Chinese.

A KIEM grant was recently awarded to a diverse group of Leiden researchers, aiming to organise an interdisciplinary conference with the title ‘Ancient Religions and the Materiality of Danger’ in 2026. The topic of the conference marks a shift towards the study of the role of objects.

Human resources

Natalia Sobrino-Saeb has attended the Nobel Peace Prize award ceremony in Oslo. She was awarded this honour after winning the essay competition of the Nobel Ignitor Fellowship, a programme that seeks to inspire young changemakers around the world – for change can be made by all of us: “You never know…

We all do it sometimes: watch your favourite Netflix series, YouTuber or comfort series while you are eating. But we don't always consider the possible consequences this could have. Floor van Meer talks about this and more during an interview with BBC.

Amsterdam’s attitude to sex work, politeness in historical Arabic letters and malaria in the Middle Ages: again this year, there was a wide variety of topics in the Research Traineeship programme. On Friday 30 August, the trainees finished the last of these projects for now.

Accelerating the development of new cancer medicines by joining forces—that’s the mission of Oncode Accelerator, a Dutch consortium that recently welcomed three Leiden-based PhD candidates. Under the guidance of Gerard van Westen, Marc Boef, Remco van den Broek, and Lucina-May Nollen are exploring how…

Lecture, NGL-lezing

Mariken Teeuwen started at the Institute for History as a professor by special appointment of Script Culture of the Middle Ages on 1 March. ‘I’m looking forward to doing research together with students.’

When assistant professor Jiyan Ilbrink isn't working at the university, she can be found in her vegetable garden. On the plot of land around the corner from her home, she grows the most delicious tomatoes, zucchini, and potatoes.

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

The Scriptiewerkplaats (thesis workshop) is an initiative of Leiden University, TU Delft, Erasmus University Rotterdam, and the municipality of The Hague. Students conduct research based on issues that are currently happening in The Hague South-West. We interviewed Mandy Koenraads, Scriptiewerkplaats…

Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the Industrial Ecology student, the award is a crowning achievement after a difficult period of recovering from long COVID.

Aafje de Roest turned her hobby into her job. She went from a teenager who enjoyed listening to hip hop music to a PhD candidate who focuses on how Dutch hip hop music shapes the cultural identity of young people in the Netherlands.

Leiden University College The Hague received the 'Top rated Programme' seal from the Keuzegids Universiteiten 2023 (Dutch University Guide). It is the tenth consecutive time the Liberal Arts & Sciences programme focusing on Global Challenges is awarded the honorary seal.