An international team of astronomers, including Leiden PhD student Elia Pizzati, has observed several ancient quasars that, surprisingly, appear to be floating alone in the early universe (less than a billion years after the Big Bang). Until now, astronomers, based on models, assumed that quasars are…

Dr Bleda Düring deemed it was time for an archaeological approach on the imperialisation of Assyria. ‘While there are lot of archaeological studies of Assyrian sites, they are not really trying to address this broader picture of imperialism and how this imperialisation actually worked.’ These imperialisation…

This zine is an experimentation in layering and juxtaposition as bonding relations of care by Federico de Musso.

For hundreds of years, children in Ancient Egypt learned to read using The Satire of the Trades, a text in which a father gives advice to his son through descriptions of different professions. PhD candidate Judith Jurjens investigated how this worked in practice.

The main focus of this research project is to investigate why people in Eastern Arabia chose to reuse ancient tombs and how this can be linked to collective memory.

This book questions the accepted origins of the field of International Relations (IR). Commonly understood to have emerged from the horrors of WW1 with the goal of bringing about world peace, the authors argue that on the contrary, IR came from a somewhat less noble tradition – that of the Round Tab…

Since the adoption of agriculture people have cultivated fields. The project concerns all kinds of aspects related to raising crops.

Are you thinking about studying Global Conflict in the Modern Era? Learn more and watch the introduction video.

A unique archeological find near Tombos in Northern Sudan. Archaeologist Sarah Schrader from Leiden University, working with a team of international researchers, has discovered a grave of a ritually buried horse that is over 3000 years old. Both the grave and the skeleton are in perfect condition. The…

An international team of researchers, involving members from the ERC Synergy project NEXUS 1492 based at the Leiden University, the Universities of Oklahoma, Copenhagen and York reveal challenges when studying ancient microbiomes in a recent issue of Scientific Reports.

The material and intellectual presence of Egypt is at the heart of Western culture, religion and art from Antiquity to the present. This volume aims to provide a long term and interdisciplinary perspective on Egypt and its mnemohistory, taking theories on objects and their agency as its main point of…

How were ideas about politics and society distributed in ancient China? Hilde De Weerdt, Professor of Chinese History, investigates this using new digital methods. We speak with her about networks, big data and digital humanities.

Two Humanities research masters and one master’s programme score well above average in the Keuzegids Masters: the research master History, the master and research master Classics and Ancient Civilizations.

In the History of the Roman Emperors, what does Herodian’s method of composition consist of and how does it relate to his writing intention, particularly in terms of political and moral idea(l)s?

LIAS faculty teach and carry out thesis supervision in many programs.

Autophagy is a fundamental degradative process, maintaining cellular homeostasis and functions in host defense against intracellular pathogens, including mycobacteria and Salmonella.

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Accurately recognising others’ emotions is a fundamental social skill, relevant for navigating the social world from early childhood. Children’s ability to do represents a milestone in their socioemotional development and is associated with a number of important psychosocial outcomes. Many individual…

To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.

In art history, performance is categorized as performance art and defined as live-act. However, performance is no longer conceived of by artists as live-act only.

Pakistani archaeologist Abdul Ghani Khan (MPhil) and Dr Marike van Aerde (Leiden University) have been awarded the Prince Claus Heritage Emergency Grant for the rescue and preservation of ancient rock art in the Karakorum mountain range of the Pakistani Himalayas. The project will run for a year, from…

In her podcast Tea-Break Time Travel Matilda Siebrecht is joined by fire expert Femke Reidsma, to talk all about how this essential tool was made and used by our ancient human ancestors. How can you recognise an ancient hearth? Why is it so important to study the first use of fire? When was the first…

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

Phosphorylation affects all four major biomolecules – proteins, lipids, carbohydrates and nucleic acids – and plays a pivotal role in the most fundamental cellular functions.

Dynamics of material, social and ideological relationships in the pre-Columbian insular Caribbean

This study links up the concept of place with memory, with the idea of transience and the transition from life to death.

Surveying Indigenous Peoples’ culinary practices prior to the advent of European invasions in the Greater Caribbean

In the largest study of ancient DNA ever conducted, an international team of scientists has revealed the complex story behind one of the defining periods in European prehistory. The study is published this week in the journal Nature.

Are traces of fire use detectable in ancient hominin genomes?

Scientists, including our faculty colleague Dr. Mike Field, studying an exceptionally well-preserved woolly rhinoceros have revealed details of what Britain's environment was like 42,000 years ago. The beast's remains were discovered in Staffordshire in 2002, buried alongside other preserved organisms…

Otrar as a Case Study for a 6-10th century Transition Zone

The Leiden Greek and Roman History Team 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.

This thesis explores several aspects of these Early Old Babylonian Amorites.

In several Mediterranean regions archaeological sites have been mapped by fieldwalking surveys, producing large amounts of data. These legacy site-based survey data represent an important resource to study ancient settlement organization. Methodological procedures are necessary to cope with the limits…

Both good employer practices and good employee practices are open norms. These open norms can lead to uncertainty about what employers should focus on and what rights (and obligations) employees have in that respect. The objective of this study is to give substance to the norm of good employment practices…

Book Launch

University Lecturer Bert van Den Berg shares about the recent research by The Greek Philosophical Schools project in Italy. The research sheds new light on the life and death of Plato.

Can subgroups of people be differentiated whose attitudes on the Sinterklaas festivities and Black Pete cluster with either a) high Dutch national identification or b) a strong preference for social hierarchy, also known as social dominance orientation (SDO; Pratto et al., 1994)?

On the 23rd of June Arianna Sacco successfully defended a doctoral thesis and graduated.

Building a Deep Cross-media Transfer Network to extract visual relations that relieve the problem of insufficient training data for visual tasks.