Autism, Alzheimer’s, and bipolar disorder: can the development of these mental health conditions be influenced by the ketogenic diet? Increasingly, research suggests it might. 'For those it helps, it can be life-changing,' says neuroscientist Eline Dekeyster.

What is the role of technology and cyberculture in Korean social structures and in the potential formation of a new collective subjectivity? How do we reorient disoriented souls?

This project looks at the current practices of marriage law in Indonesia. It examines the often ambiguous views different groups hold of marriage, from local villagers in Bengkulu to women’s activists in Jakarta, and how these relate to the development of national law on the one hand and local practices…

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

Mariska Jung (FGGA), Looi van Kessel (FGW), and Jasmijn Rana (FSW) have received a KIEM grant together with the Institute for Social Justice (in development) for their project 'Hope springs eternal': Protest and social movements in the Netherlands.

This book presents an introductory survey of the major themes, thinkers and texts, philosophical genres and profound insights of the Chinese philosophical tradition. Its coverage ranges from the foundational history of Chinese thought in the 6th–5th centuries BCE up to the present day.

A new book about Villa Isola in Indonesia reveals some of the shared history of the Netherlands and Indonesia. The book was presented on Thursday to Annetje Ottow, President of the Executive Board, and Mr Mayerfas, ambassador of the Republic of Indonesia in the Netherlands.

Lecture, Lunch Research Seminar

What is the first thing you think of when you hear the word UN? Is it just the Security Council and the ‘blue helmets’ or is there more to it? These are some of the questions tackled by the Chair’s research group.

The Mathematical Institute has a rather liberal management structure. Tasks and responsibilities are distributed among the staff. Important decisions are taken by consensus. Various organisational divisions are featured below.

In Voices on Birchbark Jos Schaeken explores the major role that writing on birchbark – an ephemeral, even ‘throw-away’ form of correspondence and administration – played in the vibrant medieval merchant city of Novgorod and other cities in the Russian Northwest.

The primary goal of GAP is to study the impact of globalization and internationalization policies and practices on the gender balance in research and higher education in Norway.

The research group of Silke Henkes at Leiden University. Part of the Leiden Institute of Physics (LION). The group studies the physics opf active materials.

This research explores how international organisations responded to the humanitarian and human rights challenges brought about by COVID-19.

Aspects of Religious Leadership in Europe, 1100-2000

As a scientific partner, the Sport Data Center offers (sports) organisations a wide range of services.

The Afro-Asianism of the early Cold War has long remained buried under the narrative of Bandung, homogenising and subverting the different visions of post-colonial worldmaking that co-existed alongside the Bandung project.

Four famous alumni introduced their favourite films at Leiden International Film Festival.

Research reveals how boys respond to harassment awareness training and why they often fail to see street harassment as 'their' problem.

Lecture, LUCIS What's New?! Series

When professor Frank Israel graduated at Leiden Observatory some forty years ago, little did he know that one of his theories would be making headlines in 2018 - in the form of a 3D animation on the Internet, no less.

Biologist Freek Vonk had already appeared in the Time Warp programme, where he was shown milking a snake for its venom, which he needed for his doctoral research. On Friday 18 September, he explained his fascination for snakes to Matthijs van Nieuwkerk in ‘De wereld draait door’, a Dutch news and entertainment…

Giving an incorrect answer as a student in a packed lecture hall can be nerve-wracking. But with Pharmacology teacher Rob van Wijk, you don’t need to worry about that. ‘He creates a comfortable and safe atmosphere,’ his students say. They have nominated him for the Leiden Science Teacher Award.

A new study sugggests that through informal networks, Mesopotamian merchants established a standardized system of weights that later spread across Europe, enabling trade across the continent. The advance effectively formed the first known common Eurasian market more than 3000 years ago. “This is…

The film Blade Runner as part of the law curriculum? It’s not that weird to Maartje van der Woude, Professor of Law and Society, and Frans-Willem Korsten, Professor of Literature, Culture and Law. ‘The film raises a fundamental question: what’s a human and what’s not?’ From the next academic year onwards,…

Twee teams of astronomers, including from the universities of Amsterdam and Leiden, have discovered how hot gas giants are surrounded by large halos of thin helium gas, an indication that they are slowly losing their atmosphere. The helium, that was recently seen for the first time by the Hubble space…

Artificial Intelligence (AI) is a technology that often puts women and minority groups at a disadvantage because it tends to be developed by straight white men. What if that changed and women were the driving force behind AI? This is the thought experiment at the heart of Maaike Harbers’ Annie Romein-Verschoor…

The Effects of the 1881 Liquor Act on the Leiden Alcohol Trade

Lecture, Workshop

IT lawyer Eduard Fosch Villaronga wants to promote diversity and inclusiveness in AI research. And that's really important, because he has observed how artificial intelligence - from Twitter to walking robots - is prejudice in terms of race, gender and sexual orientation.

Opportunities to join the initiative as a guest researcher and spend time in residence with GTGC in The Hague are available. If you are interested, we welcome you to contact us. Below you can find our current and former guest researchers.

The research in this dissertation aims to optimise blood donation processes in the framework of the Dutch national blood bank Sanquin. The primary health risk for blood donors is iron deficiency, which is evaluated based on donors' hemoglobin and ferritin levels.

Matilda Siebrecht has found the perfect combination of her interests, namely experimental archaeology, and journalism. She was asked by EXARC, a foundation that aims at connecting experimental archaeology professionals, to host a monthly podcast on this topic. ‘It is called Finally Friday, airing every…

On Monday 12 January, Joanne Mouthaan, associate professor in the Clinical Psychology section, received the Senior Qualification in Education (SKO). Within the university, increasing importance is being attached to recognising and valuing different career paths. Not only research, but also education…

On 24 April 2024, Carlotta Rigotti and Gianclaudio presented their new report on sexual violence and harassment in the metaverse during a webinar co-organised by AUDRi, Equality Now, and VULNERA.

Lecture, Histories Connected: Work-in-Progress

The proportion of professors at Leiden University who are female has risen slightly to 32.0%. These are the results of the Women Professors Monitor 2024 released by the Dutch Network of Women Professors (LNVH). This puts Leiden University above the national average of 28.7%.

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

The interplay between literature and law is what Frans-Willem Korsten wants to address as a brand-new professor of Literature, Culture and Law. That means doing research, but certainly also teaching. 'The Hague is of crucial importance for the humanities.'

Using biomethane to produce ammonia, a crucial chemical in agriculture, could drastically reduce the climate impact of the process. In a study published in One Earth, researcher Robert Istrate shows it’s even possible to make ammonia production net-zero or carbon negative.

Not all sustainable business models have the impact they claim, Leiden researcher Levon Amatuni revealed. Car sharing and phone reuse, for example, have a smaller positive effect than previously thought. Amatuni advises people to ‘pay attention to actual changes in their consumption behaviour rather…

It matters a lot whether a fatwa is given by a female or male Islamic scholar, discovered doctoral student Nor Ismah.

CitiObs will consolidate and apply tools and practice-based knowledge for co-creating data, knowledge and local action regarding the environmental impacts of climate change and human activity in the urban context via Citizen Observatories.

Onderzoek van de onderzoeksgroep 'War, Peace and Justice'

PhD defence