Following the terrorist attacks in Paris (November 2015) and Brussels (March 2016), Belgium’s counterterrorism policy has been heavily criticized – domestically and worldwide.

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…

Utilization of plant-originated products as new antibiotics

Mapping sanitary infrastructure in large urban societies in the Low Countries, 1200–1900

The physical landscape is the setting in which human activities take place. Landscape and site context during human occupation is one of the areas of concern for the geoarchaeologist. A detailed stratigraphical study -both on- and off-site- clearly enhances the interpretation of the archaeologists,…

Didactics

In this policy brief, Dennis Broeders, Els De Busser and Patryk Pawlak discuss attribution of in cyberspace from three different perspectives: criminal law, international law and policy. Published together with EU Cyber Direct.

Ongoing microwear analysis of the flint artefacts from the Funnelbeaker period suggests that flint had a pivotal role in the representation and structuration of the cosmological order of Funnelbeaker society.

The lipid matrix of the skin's stratum corneum plays a key role in the barrier function, which protects the body from desiccation. The lipids that make up this matrix consist of ceramides, cholesterol, and free fatty acids, and can form two coexisting crystalline lamellar phases: the long periodicity…

Thomas Mes defended his thesis on 9 January 2018.

Serge Rombouts is a physicist whose PhD thesis was about functional MRI (fMRI). This visualises activity in regions of the brain. The appealing images of glowing brain regions that emerge from the computer are the result of calculations. According to Rombouts, this isn’t proper artificial intelligence.…

What is the environmental impact, the human health impact and the life cycle and production costs of the lab, pilot and commercial diffusion of nanowires and nanowire-based photovoltaic technologies?

In science, it is of vital importance that multiple studies corroborate the same result. Researchers therefore need to know all the details of previous experiments in order to implement the procedures as exactly as possible. However, this is becoming a major problem in neuroscience, as animal studies…

References to nature and the environment in the Caribbean literary and the contemporary age of globalization.

Reproducing past, present and future: colonial visions and experience in Asia in the residencies

We have recently discovered that there are biological proteins that phase separate out of solution much the way oil will de-mix from water (see movie). These form dense, liquid-like phases called protein condensates.

A hot topic in educational sciences is whether and how reading medium (paper vs. screen) affects reading comprehension. Especially in the media – but also in schools – their appears to be a preference for texts presented on paper: Paper texts are thought to induce a more intensive reading strategy,…

2 joint initiatives began in 2019 which attempt to connect the various efforts around active learning at Leiden University: the active learning network, and the Saltswat project.

YAL organises young faculty lunches at all Leiden University faculties. Additionally, we organise young interfaculty lunches to bring together young academics from across the university.

The Supplementa series of BABESCH is designed as a platform for thematic publications, in juxtaposition to the annual and varied mix of contributions offered by the journal itself. The thematic publications will include proceedings of colloquia, collections of particular studies by one or more authors,…

Cwiertka wants to investigate how waste is produced and disposed of in modern East Asian society. With her research group she will be carrying out a comparative analysis on two levels: the international level (between China, Japan, South Korea and Taiwan) and the inter-regional level (between East Asia…

Leiden University has participated in an international study carried out by the CARMENES consortium, which has discovered two small, terrestrial planets around Teegarden’s Star. The planets have masses similar to Earth and their temperatures could be mild enough to sustain liquid water on their surf…

The images below give you an impression of phase 2A.

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?

How did slaves in the eighteenth century manage to empower themselves and their kin, and why did this become all the more difficult in the nineteenth century?

We are very happy to welcome you to spend a semester or year studying with us at the Institute of Psychology. Here you will find practical information on studying Psychology in Leiden as an exchange student.

During the Leiden Science Family Day, you can take part in various workshops. You can also watch various demonstrations. Where will you go?

This thesis, conducted in the framework of ERC Starting grant project BABYLON (PI: Caroline Waerzeggers), presents an investigation into Babylonian society, focusing on the city of Borsippa during Neo-Babylonian and early Persian rule (c. 620-484 BCE).

Supervisor: Anna Vlachodimou

Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?

In dozens of study rooms, libraries and laboratories, passionate scientists – with the support of the donors of the Leiden University Fund – are working on a fundamental understanding of the world and the people around us. They make the unknown known and push the boundaries of existing fields of sci…

Ethnography and Photography in a Moroccan Berber Village

Research question

What are the developmental pathways to social anxiety (disorder), the causal processes and maintaining factors? How do these factors interact in the development of social anxiety disorder? How can this knowledge be used to design and implement effective preventive intervention programs for youth?

How to get involved in sustainability? Read more about four projects that Leiden University helped realise in the past few years.

In the South African context, certain iconic images have been a dominant source for public understandings of historical events. The emphasis given these images tends to overshadow the historical value of other more personal photographic sources – like studio or amateur photography. This project looks…

Gerrie Lodder has published an article in the Dutch legal periodical Nederlands Juristenblad on the exploitation of labour migrants from the perspective of human rights.

In educational settings such as museums, universities and schools, white, male, able-bodied and rational subjects still dominate. Although there has been a lot of theoretical work on processes of in- and exclusion through racialization, sexualization, and disabilization, we still know very little about…

Blijven ontwikkelen op academisch niveau is onontkoombaar in een snel veranderende arbeidsmarkt. Wij helpen u graag bij het actueel houden van uw kennis en vaardigheden. Voor een leven lang ontwikkelen moet u in Leiden zijn.

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

We are very happy to welcome you to spend a semester or year studying with us at the Institute of Cultural Anthropology/Development Sociology (CA-DS). Here you will find practical information on studying CA-DS in Leiden as an exchange student.

The main question of this research project concerns the extent to which light verbs in West Germanic languages participate in processes of language change.

This report concerns itself with terrorist technical innovation, particularly with regards to terrorists’ incorporation of emerging technologies into their practices. More specifically, it investigates, through the elaboration of a theoretical learning framework, how terrorist groups can adopt the practices…

This article discusses the coevolution of several species of the tribe Phyllantheae and moths of the genus Epicephala.

How does the photoregulation mechanism work in detail?

The Risk and Regulation Lab from organises events and workshops in Leiden and The Hague. On this page you can read reports of the events that already took place.

Research at the MCBIM group is comprised of the following research themes:

SOLID: Solidarity under strain - A legal, criminological and economic analysis of welfare states and free movement in the EU. Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

A substance flow analysis, covering about 99 % of the flows of chlorinated substances in the Netherlands.

The Leiden Institute of Physics (LION) offers bachelor and master level education in physics at Leiden University.