Crime is men’s business, isn’t it? Women are responsible for 10 percent of crime in Europe. Yet, if we look at the Dutch Republic in the early modern period, we find that in the towns of Holland women played a much larger role in crime.

The Impact of Mobility and Migration in the Roman Empire assembles a series of papers on key themes in the study of Roman mobility and migration.

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?

Based on interviews with feminist Instagram users, this article studies emergent feminist visibilities on Instagram through the concept of filtering.

Bordering Up: Regulating Mobility Through Passes, Walls and Guards

An international collaboration, including Leiden physicist and computer scientist Vedran Dunjko, showed that quantum technology can speed-up the learning process of artificial intelligence (AI). To prove this, the physicists and computer scientists used a quantum processor for single photons. Their…

An international collaboration, including Leiden physicist and computer scientist Vedran Dunjko, showed that quantum technology can speed-up the learning process of artificial intelligence (AI). To prove this, the physicists and computer scientists used a quantum processor for single photons. Their…

It takes years to develop new medicines, from the test tube to trials in humans. During the process it often happens that a drug that seems promising in the initial stage has to be dropped in a later phase. This costs time and money. Leiden University and the LUMC are working closely together to make…

Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

Young children, adolescents and students may experience learning difficulties as a result of lack of sleep. Dr Kristiaan van der Heijden investigates sleep problems and solutions for various age groups.

ACPA Professor of Auditory Culture and Music Philosophy Marcel Cobussen and ACPA PhD Supervisor Vincent Meelberg are, together with composer and Simon Fraser University Professor Barry Truax, editors of the recently published Routledge Companion to Sounding Art.

Moving Romans offers an analysis of Roman migration by applying general insights, models and theories from the field of migration history.

Since 1974, World Environment Day has been celebrated every year on 5 June, engaging governments, businesses and citizens in an effort to address pressing environmental issues.

The aim of this project is to study what makes an act or form of violence a specifically political reality.

Last week Hanneke Bennaars and Yvonne Erkens visited the World Congress of the International Society for Labour and Social Security Law (ISLSSL) which was held from 4 to 7 September 2018 in Turin, Italy. The theme of the congress was “Transformations of Work: Challenges for the National Systems…

How can we promote social cohesion in a society that is culturally and religiously diverse?

Employees are now in a better position to negotiate the terms and conditions of their employment. This is mainly visible in wage increases and fringe benefits. Olaf van Vliet, Professor of Economics at Leiden University, spoke to NU.nl about workers' improved negotiating position.

Multiple identities of elites and ‘commoners’ viewed through the lens of crafting from the Chalcolithic to the Iron Ages in Europe and the Mediterranean

What socio-cultural transformations did indigenous communities in the Lesser Antilles undergo from the late precolonial to the early colonial period in response to Amerindian­ European-African cultural encounters? How did Amerindian populations realign themselves in response to the colonisation…

The Leiden Ancient History specialization concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors. The appearance of these empires led to the development of an interaction network…

The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…

The bi-annual Children’s Rights Moot Court (CRM), organised by the Department of Child Law in partnership with Baker McKenzie, was initiated by Leiden Law School in 2014 on the occasion of the 25th Anniversary of the United Nations Convention on the Rights of the Child. The Moot Court offers students…

Considering the ways in which the ‘global turn’ is changing the theory and practice of historical disciplines, Explorations in History and Globalization engages with the concept and methodology of globalization, challenging traditional divisions of space and time to offer a range of perspectives on…

Five Leiden researchers have been awarded a Consolidator Grant by the European Research Council (ERC). This grant of up to two million euros will enable them to continue and expand their scientific research.

Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh

Understanding the evolving landscape of extremism in the 21st century.

Legal education initiative of the Leiden University, the University of Groningen and Universitas Indonesia.

The precise psychobiological mechanisms leading to chronic physiological stress responses have not been sufficiently explained, although stress is a major risk factor for disease and early death. A problem for conventional stress theory is that most of these responses seem to occur in situations without…

Like ants, termites and bees, some bacteria work together as a multicellular group. There is a strict division of labour in such colonies, to make the group more resilient to the outside world. Now researchers have found that some parts of the bacterial colony can take ‘for the greater good’ to a whole…

As far as Daniël Pijnappels, Professor of Cellular Electrophysiology, is concerned, both researching and inventing are essential for a scientist.

Pharmacologist Walter Boiten developed a new method to determine the amount of lipids in a person's skin. With this method he tested the effects of a new cream he developed for eczema patients. The first results are promising. Boiten defends his dissertation on 15 January.

Three Leiden researchers have been awarded a prestigious Vici grant by the Netherlands Organisation for Scientific Research (NWO). They each receive 1.5 million Euro to develop their own research project in the coming 5 years.

Collaborating in drug discovery and health research was the goal of a visit to the Leiden Bio Science Park on 14 May by a Swedish delegation including His Majesty King Carl XVI Gustav of Sweden. The delegation visited Leiden University’s Faculty of Science.

The wave of restitutions expected after French President Emmanuel Macron’s 2017 promise to return stolen art to Africa has hit legal and political roadblocks. But while former colonial powers are shying away, it seems 'New World' countries have started doing more to repair crimes against First Natio…

In the ESOF2022 mini-symposium organized by the Social Resilience & Security programme, international experts with a background in psychology, philosophy, and law discussed how the online world is related to adolescent mental health issues, moral and emotional awareness and children’s rights. In three…

To assess the impact of illicit firearms trafficking on gun violence, this research looks at the scope, characteristics and contexts of firearm violence, and also the scope and nature of firearms trafficking in Europe since the new millennium. Nils Duquet, Dennis Vanden Auweele and Marieke Liem created…

A team of Dutch scientists has built a supercomputer the size of four pizza boxes. The Little Green Machine II has the computing power of 10,000 PCs and will be used by researchers in oceanography, computer science, artificial intelligence, financial modeling and astronomy. The computer is based at…

Leiden University announced on 19 March 2020 that there would be no more face-to-face teaching for the rest of this academic year. That was a big decision with big consequences, but students in Leiden are staying positive and trying to make the best of it. Read on to be inspired by how Leiden students…

With cancer, a person’s body cells grow uncontrollably. Putting together a detailed picture of how this comes about makes it possible to develop efficient therapies. Researchers at the Leiden University Medical Centre (LUMC) and Leiden University are working together to gain a better understanding…

Speech Prosody 2024 includes three workshops.

The Master’s programme Health, Ageing and Society trains its students to become academic Health, Ageing and Society professionals and engaged citizens who are competent and trained internationally and interdisciplinary. They are able to contribute to solutions for the challenges facing our ageing so…

Regulating Relations: Controlling Sex and Marriage