Indigenous Latin American artifacts have attracted the interest of Europeans since the earliest moment of contact between Europeans and the Indigenous peoples of the Americas. The ERC-funded BECACO project uses an innovative multidisciplinary framework to investigate the provenance of ethnographic and…

In March, the Honours Academy will be launching two new Master Honours Classes. In these classes, students with a curious mind will have the opportunity to do research into the relationship between humans and nature or to work on an innovation for the healthcare sector. ‘This will allow students from…

1000 Years of World History in 100 Old Maps.

The research of this PhD project can be subdivided into two main disease areas: migraine and stroke. For both we will be investigating how artificial intelligence (AI) and machine learning (ML) techniques can be used to study these afflictions, their (early) detection, and their potential treatment.

Optimally solving real-world expensive Black-Box Optimization (BBO) problems w.r.t. real-world constraints, such as wall-clock time and computational costs, is extremely difficult and tedious.

In Humanity’s End As A New Beginning, Emeritus Professor Mineke Schipper reflects on myths about ‘the end’.

In this opinion article published in World Development, the authors present five research and policy priorities. While it is clear that ‘pluriversal’ designs need to guide the way forward (Kothari et al 2019), defining a set of key pillars can provide direction and purpose across this pluriversality.…

This book examines the history of The Netherlands in a way that connects global processes to local developments.

This COIn Grant 2025 awarded project allows Leiden University researchers and students to do research on the world’s largest corpus of digitized Ottoman language periodicals and books.

Many dangerous diseases such as COVID-19, Ebola and Q fever have jumped from animals to humans. But it is not only because of these diseases that we should include animals in our health policy, but also because of their right to health, writes PhD candidate Joachim Nieuwland. PhD defence on 13 May.

What is the effectiveness of two school-based skills-training programs in promoting mental health?

Classical mathematical models treat space and time as a continuum, while it is sometimes more useful to regard it as granular. Hupkes is studying what this means for a number of important patterns that are often found in computer calculations and in nature.

Insect egg development in a warming world: the eco-evo-devo of embryonic developmental time: What is the genetic basis of developmental time?

Bio-Pharmaceutical Sciences has done very well in the QS World University Rankings, being allocated a very impressive ninth position.

This article reflects on the lessons of COVID-19 five years on. The crisis exposed deep vulnerabilities in health systems, governance, and social cohesion.

Antoaneta Dimitrova, Professor Comparative Governance at Leiden University, Honorata Mazepus, Assistant professor at Leiden University and Dimiter Toshkov, Associate Professor at Leiden University, together with three other authors researched which aspects of state capacity might contribute to opening…

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

Anne-Laura van Harmelen has received a Vidi grant from the Dutch Research Council (NWO). This talent programme will enable Van Harmelen to research the social and neurobiological mechanisms of resilience in young people with childhood trauma.

As Secretary General of the Royal Dutch Football Association, Gijs de Jong travels the world. The career of this Leiden public administration graduate tells the story of a petrol station attendant who became one of the top diplomats in Dutch football.

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Are there general principles or values that should govern our actions as moral agents and/or as political subjects?

The researchers explore how instructional risk communication can support public safety during nuclear emergencies.

NTER-SECTION is a peer-reviewed, open-access journal focusing on contributions from junior archaeological researchers at Leiden University. The journal offers an accessible platform for the publication of individual research by undergraduate and graduate students. The Editorial Board consists of PhD…

Imagining the Americas in Print contains eleven essays, seven of which have been published before and four of which are new.

This book published by Oxford University Press discusses religion and trade in world history.

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

From exercises for working more healthily to practical tips about getting a good night's sleep. Students and staff who take part in the Healthy University Workshops on 18 or 19 October will be given tips to suit their personal situation.

Evidence and Care-work in a home visiting program to promote maternal sensitivity and parental reflective functioning in Alexandra township, Johannesburg, South Africa.

During the period 500–1000 CE Egypt was successively part of the Byzantine, Persian and Islamic empires. All kinds of events, developments and processes occurred that would greatly affect its history and that of the eastern Mediterranean in general. This is the first volume to map Egypt's position in…

The historiography of the Bretton Woods conference of July 1944 is dominated by the personal clash between the principal negotiators, Harry Dexter White of the United States and John Maynard Keynes of Britain.

Sheltering is an immediate human need and determines well-being andhealth.

Who had a say in making decisions about the natural world, when, how and to what end? How were rights to natural resources established? How did communities handle environmental crises? And how did dealing with the environment have an impact on the power relations in communities?

Stress among students is a growing problem. A new Student Wellbeing taskforce will be looking at the mental health of students at Leiden University.

How do you know if your idea has succeeded? The Queen coming to call a year and a half later might just be a clue. This happened to the Leiden student foundation ‘Door Het Geluid’, which promotes student well-being.

Do general practitioners recognize children with or at risk of problematic anxiety and is there a pattern that might help differentiate those with and without anxiety disorders in general practice?

Dr Sarah Schrader, an expert in the study of human remains, received a VIDI grant for a research project on health and inequality. In present day people with a high socio-economic status encounter fewer health risks than those in lower socio-economic strati. ‘Now we will look at this process in the…

This project aims to excavate and date the setting of the east gate of the Roman fortress of Udhruḥ. This will be compared with other Diocletianic military installations from the region. We also hope to retrieve another gate inscription which can shed light on the function and political embedding of…

Japan's Occupation of Java in the Second World War draws upon written and oral Japanese, Indonesian, Dutch and English-language sources to narrate the Japanese occupation of Java as a transnational intersection between two complex Asian societies, placing this narrative in a larger wartime context of…

On the occasion of the 80th anniversary of the magna carta of civil aviation, the Convention on International Civil Aviation (Chicago Convention 1944), Professor Steven Truxal has written a leading piece for the European Civil Aviation Conference: The Chicago system: a steadfast legal blueprint for…

Carl Li defended his thesis on 30 June 2015

At the annual World Computer Chess Championship, chess computers from all over the world compete with each other. This year, Leiden University hosted the event.