Few events have influenced our global order as intensely as the events of September 11, 2001.

Promotor: Koen Kuijken Co-promotor: Henk Hoekstra

The thesis describes the use of electron paramagnetic resonance (EPR) spectroscopy, in continuous wave and pulse modes, to address the interaction of α-Synuclein (αS) with membranes and the aggregation of αS.

Une étude archéo-anthropologique de la céramique des sociétés caribéennes multiculturelles de la période précoloniale à nos jours

Stimulating the vagus nerve, which provides a direct link between the gut and brain, makes people pay less attention to sad facial expressions. This research study by psychologists Katerina Johnson and Laura Steenbergen is published in the journal Neuroscience, and made it to the cover.

The skin protects the body from unwanted influences from the environment as well as excessive water loss. The barrier function of the skin is located in the stratum corneum (SC).

Authority and Control in the Countryside looks at the economic, religious, political and cultural instruments that local and regional powers in the late antique to early medieval Mediterranean and Near East used to manage their rural hinterlands.

This study presents an agent-based simulation model exploring the patterns of presence and absence of Late Pleistocene Neanderthals in western Europe.

Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée

Press freedom in Indonesia is still under pressure, despite the demise of Soeharto’s regime in 1998

This book explores the intellectual and cultural flows between Asia and Europe which occurred during – and were formative of – the political and social changes of the first half of the twentieth century.

As part of the VIDI 'Cultural innovation in a globalising society: Egypt in the Roman world', this research explores manifestations of Egypt in the material culture of Augustan Rome. This period was a crucial turning point for the urban landscape of Rome, which was characterised by cultural diversit…

Behavioral and neural mechanisms underlying risky decision-making in adolescents

The external tissues of plants and animals are colonized by microbial communities termed microbiota. When organisms are exposed to environmental pollutants, these substances will therefore encounter microbiota at the exposure interface.

On the 4th of June, Andreas Joswig successfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreas on this great result.

Neanderthals and modern humans in Belgium, a bone story

What are the behavioral, cognitive, and motivational consequences of decision reversibility?

Eine Analyse materieller Kultur römischer Kolonien in der Mikroregion von Suessa Aurunca, Minturnae und Sinuessa

Promotores: B.R. Katzy, J. de Vries, Co-Promotor: L.P. Groenewegen

This thesis examines the impacts and challenges of water use of electric power system. This thesis found that there are large differences in water use of electricity technologies, with hydropower and thermal power being two large water users.

How does FoxP1 affect auditory perception on a behavioural and genomic level?

Central to this research is the Urban Future-project, which consists of a large archive of artworks made from 2002 until now.

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

Lucas den Boer defended his thesis on 23 April 2020

Marine sponges are important members of reef ecosystems, as they play ecological roles that are essential for the health of the reef.

Feedback from fellow students on academic writing is as informative as that of teachers.

In A History of Plague in Java, 1911–1942, Maurits Bastiaan Meerwijk demonstrates how the official response to the 1911 outbreak of plague in Malang led to one of the most invasive health interventions in Dutch colonial Indonesia.

Host-Microbe Interactions is one of the four research themes of the Institute of Biology Leiden.

In this study, we evaluated the influence of supercritical carbon dioxide (scCO2) spray drying conditions, in the absence of organic solvent, on the ability to produce dry protein/trehalose formulations at 1:10 and 1:4 (w/w) ratios.

Although nanoparticles are extensively used in various applications like consumer products and have most probably entered the environment, little is known about the effects of these particles on living organisms.

What is the role of the noradrenergic system in human cognition?

The motivation of student teachers for the teacher's profession depends on various factors. Teacher training can influence the commitment of students.

The authors of the article expect automation to improve accuracy in less complex programmes but worsens with increased complexity

This book is about the workings of networks of the mobile in Africa, a continent usually associated with the ‘global shadows’ of the world.

In order to test theoretical expectations concerning individual decision-makers' search in response to negative performance, Joris van der Voet conceptually disentangles problem-defining and solution-generation as two distinct search objectives.

Research Experiments on Designing Objects with ‘Artistic’ Messages

Mycoheterotrophy is a particular mode of life in which plants obtain carbohydrates from their associated fungal partners, instead of by using photosynthesis.

In this policy paper, Joachim Koops and Christian Patz are discussing Germany’s comprehensive assessment of Protection of Civilians readiness at the national level.

I am Nargess Asghari. I came to the Netherlands in 2017 to study Linguistics at Leiden University. I wrote my pre-master’s and master’s theses on Iranian Sign Language and Berbey Sign Language (an emerging family sign language in the village of Berbey, Mali), respectively, under the supervision of Dr.…

This dissertation focuses on teacher professional learning and collaboration in secondary schools.

The aim of the research programme Systems Pharmacology lies in the development of personalised medicine strategies, and development of new systems-based approaches in translational and clinical pharmacology.

Are there any differences in gaze behavior between high and low socially anxious individuals? What factors influence the relation between social anxiety and gaze behavior?

On February 20th, Gulnaz Sibgatullina succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Gulnaz on this great result.

Een bouwhistorische studie naar kapconstructies op Leidse huizen tusen 1300 en 1800

This article explores crisis communication research clusters in the literature, examining overlaps and intersections among diverse fields.

Annemarie van Stee defended her thesis on 21 June 2017.

This research project problematizes the applicability of ballet within a contemporary choreographic practice.

Vitamin A or retinol is essential in embryonic development, the visual cycle and the immune system.

Atherosclerosis, in particular rupture of atherosclerotic plaques, is the underlying cause of most heart attacks or strokes and is the leading cause of death worldwide.

Research on this theme concerns Europe’s position in global markets, its response to the emergence of new international trade and financial actors that challenge institutions where Europe has long had considerable influence.