This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.

What is the relation between the experience and the act of exclusion?

Also including: Wateringen 4 & Acquiring a taste.

The present study explores the role of water in the ancient Roman city of Ostia.In antiquity, Ostia was situated at the intersection of the Tiber River and the Mediterranean Sea, and acted as one of the harbour cities of Rome for several centuries.This study investigates how water was acquired, used,…

This project focuses on urban commercial space in Roman Italy and deals with the impact of economic growth on urban communities in the late Republic and the Imperial period (200 BCE – 300 CE).

How does the evolution of the archaeological landscape at Son Sard reveal rural settlement patterns on Mallorca, serving as a pars pro toto for Balearic rural archaeology?

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

Subproject of

Rural cult places were of central importance in the non-urbanised areas of ancient Samnium, in central southern Italy. Their development, roles and functions in ancient society, however, remain important research questions. New excavations at one of these sanctuaries, the rural temple of S. Giovanni…

Water, Urbanism, and Sustainability in Roman Ostia

This dissertation investigates the rural communities of the Cananefates in the period of 50 to 300 AD.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

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…

This book argues that the combined literary, epigraphic and archaeological evidence supports the theory that early-imperial Italy had about six million inhabitants.

Why does social anxiety increase in adolescence and how does it grow out of control in some adolescents?

Source: British Journal of Dermatology, Volume 170, Number 6, pp. E18-E19 (2014) ISBN:0007-0963

This project aims at studying the social media reception of African publications as covered by the most important “altmetric” sources.

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.

Our mission: a positive impact. Our vision: community. By involving the world around us in our education and research we make a positive impact. We do this by applying Open Science.

Local settlement system and social structure in the roman period at Oss (the Netherlands).

Why do some children confront social challenges with confidence, whereas others experience difficulties? What is the role of child temperament and child emotional dispositions? What is the role of parenting? This project aims to shed light on the mechanisms explaining shyness and confidence in response…

Casper de Jonge, Professor of Greek Language and Literature, believes that Greek texts from the Roman Empire are more interesting than was first thought. They offer a fascinating glimpse of the polyphonic and multicultural world of the Roman Empire. Inaugural lecture on 7 October.

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?

Globalisation means becoming globalised, a process in which material culture plays a crucial role. This is what Miguel John Versluys, the new Professor of Classical and Mediterranean Archaeology, teaches. He bases his teaching on research into the origin and growth of the Roman Empire from the 3rd…

A neurobiological perspective on individual differences in social competence

This research develops and applies a new approach to study Aegyptiaca Romana from a bottom-up, Roman perspective.

In 2017, in an ordinary field, two brothers from Brabant discovered more than 100 ancient coins. The Leiden historian who examined the coins concluded that they constituted a genuine Roman treasure. Here follows a reconstruction in three acts.

The key subject of the Team Economic and Social History is Inequality (at local, national and global levels). We study this from an intersectional perspective: gender, class, ethnicity or race, religion, sexuality, age, ability/disability, citizenship and legal status. We study these categories of power…

The studies outlined in this volume explore how connectedness continues to change Africa and how Africa continues to shape the social life of connections.

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

The project aims to conserve and consolidate the entrance gate to the Roman Desert Frontier Fort Qasr Bshir.

At the Young Academy Leiden, we care deeply about fostering social safety at our university. Increasing social safety is of particular importance to early career scholars as they often find themselves in a vulnerable position without a permanent contract, or with a dependence on superiors for progressing…

Helping people, groups and policymakers navigate the social transitions of our time.

At FGGA, we want our staff to feel safe in all respects. We therefore strive to create a work environment where we treat each other with respect, where we promote inclusion and where we speak up if we experience or witness unsafety.

Main challenges in skin vaccination are overcoming the stratum corneum (SC) barrier and targeting the antigen presenting cells (APC) in the epidermis and the dermis.

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.

Agora, Wassenaarseweg 52, 2333 AK, Leiden

The first objective is to create a catalogue raisonée, i.e. a structured database that will store the main attributes of each town in a standardized format database, which will be freely accessible when completed; the second objective is to exploit theories and methods that can help us to understand…

This project suggests a reconceptualisation of pre- and non-capitalist imperial monetary policy, arguing that the existing literature about imperial financial flows has unnecessarily privileged ideas of largesse and seemingly chaotic monetary distribution.

New Approaches to Understanding the Eastern Mediterranean during Byzantine and Ottoman Times

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…

The [A]Social Creatures Lab is an interdisciplinary research lab that focuses on understanding social interaction with and between artificial creatures. Researchers and students from the Creative Intelligence & Technology group collaborate in it.

Social anxiety runs in families, but the neurobiology underlying this genetic vulnerability is until now largely unknown. The unique Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) aims to broaden our knowledge with respect to this genetic susceptibility.

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Social Citizenship & Migration (SCM) is one of the nine interdisciplinary programmes launched by Leiden University in 2020. It is led by the Faculties of Governance and Global Affairs, Law, Humanities, and Social Science.