Fish climbing trees, storks taking care of their parents… Premodern textual and visual culture presents us with a fabulous bestiary that reveals ingenious and rich reflections on the animal kingdom.

The Rise and Decline of an Iberian Bourgeoisie is one of the first long-term studies in English of an Iberian town during the late medieval crisis. Focusing on the Catalonian city of Manresa, Jeff Fynn-Paul expertly integrates Iberian historiography with European narratives to place the city's social,…

Tracing the evolution of the molecular gas content in galaxies is critical for a complete understanding of galaxy formation and evolution, as it provides the direct fuel for star formation. Studies of high-redshift (z>1) molecular gas reservoirs, most commonly traced by carbon monoxide (CO), have seen…

Science begets technology but technology also begets science. Anne Urai from the Leiden Institute of Psychology is part of an international team team that rolls out a new, user-friendly, plug-and-play AI tool they hope will become an engine of discovery by quantifying the growing volume of recorded…

Understanding the water use of power production is an important step to both a sustainable energy transition and an improved understanding of water conservation measures. However, there are large differences across the literature that currently present barriers to decision making.

The PID-directed shift in PIN polarity has been broadly accepted as one of the essential mechanisms for the regulation of auxin transport polarity.

Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.

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The type-IV secretion system (T4SS) is a machinery able to transfer DNA and proteins between bacteria and in certain cases also to eukaryotic cells.

The symposium is open to all registered participants and consists of a one-day programme and a poster session.

On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.

In 1940 the Germany occupiers ordered the dismissal of all Jewish staff of the university. This resulted in protest speeches by fellow academics.

The formation and evolution of galaxies is fundamentally driven by the formation of new stars out of cold gas.

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Each year, the Leiden University Student Platform (LUS) presents the Leiden Education Prize.

Promotor: P.J.J. Hooykaas, Co-Promotor: E.J. van der Zaal

An exploration across thirteen essays by critics, translators and creative writers on the modern-day afterlives of Old English, delving into how it has been transplanted and recreated in the twentieth and twenty-first centuries.

Liu Puning defended his thesis on 25 April 2018.

The availability of indicators based on social media has opened the possibility to track the online interactions between social media users and scholarly entities.

The focus of the research lies in the approach of reducing, denying, or taking away essential elements of music making in order to let the musician become theatrical.

We aim to unravel the molecular mechanisms involved in the transformation of eukaryotic cells by Agrobacterium.

This project envisions a broad evaluation of 20th century models of human development over the life course (ontogenesis, human constitution), including socialist and capitalist conceptions across both Eastern and Western Europe.

This project traces how, why, and under what circumstances scholars invoked the trope of “dogmatism,” especially in controversies. Relevant controversies from various fields, periods, and countries will be subjected to in-depth rhetorical analysis.

On 23 October 2019, Yoram Stein defended his thesis 'Spinoza's Theory of Religion: The Importance of Religion in Spinoza's Thought and Its Implications for State and Society'. The doctoral research was supervised by Prof. P.B. Cliteur and Prof. A.A.M. Kinneging.

The multiple connections between emblematics and Natural History in the broader perspective of their underlying artistic, literary, political and religious ideologies.

Migration and Mobility in the Early Roman Empire by Luuk de Ligt and Laurens E. Tacoma (Eds.)

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Throughout the twentieth century, scholars, artists and politicians have accused each other of “historicism.” But what exactly did this mean? Judging by existing scholarship, the answers varied enormously. Like many other “isms,” historicism could mean nearly everything, to the point of becoming mea…

Surreal Geographies recovers a forgotten archive of Holocaust representation. Examining art, literature, and film produced from the immediate postwar period up to the present moment, Kathryn L. Brackney investigates changing portrayals of Jewish victims and survivors.

Debates on political legitimacy in Dutch parliament in the 1880s, 1930s, and 1960s

The Common Market Law Review has an internationally composed Editorial Board and Advisory Board.

September 2022 marks the tenth anniversary of International Studies bachelor's programme. Some (former) staff members tell us what they think makes the Faculty of Humanities' largest programme so special.

His Surinamese neighbours in Amsterdam gave Russia expert and economic historian Isaac Scarborough an idea: a re-evaluation of the Surinamese economy in the twentieth century. An NWO XS grant will enable him to make a start on this.

In 2023, many of our students and staff won great prizes and secured important research grants.

Numismatic research of Roman coin hoards in the Netherlands. The use of numismatic sources is incorporated in Claes’s research project “Dialogues of Power”. This project aims to analyse the legitimising dialogue between Roman emperors and their Germanic legions during the so-called “crisis of the third…

On May 25th, Prof. Damian Pargas will hold his inaugural lecture

Drawing on a broad array of sources, this project examines modern retrievals of Bacon’s idols, thereby testing Justus von Liebig’s intriguing observation, back in 1863, that Bacon’s name lived on mainly in mottos or stereotypical phrases. More importantly, it examines the rhetorical purposes served…

The Department of Constitutional and Administrative Law is active in many areas.

Although graduate schools and PhD programs at various Dutch universities do provide methodological training in the social sciences, PhD students in anthropology frequently express a need for more specialized anthropology courses that provide in-depth discussions of cutting-edge theory and state-of-the-art…

Dr Karolina Pomorska has been awarded the Jean Monnet Chair “EU and the World” for three years (2018-2021). Jean Monnet Chairs are teaching posts with a specialisation in European Union studies for university professors, awarded by the European Commission in a highly competitive peer-reviewed proces…

In comparing a selection of 18th-century histories to a representative sample of 19th-century histories of science, this project inquires: Which early modern vices persisted into the 19th century and to what extent were those vices embodied in anecdotes, conveyed through commonplaces, or symbolically…

People with a mild intellectual disability (MID) experience more loneliness than people without MID. In the COLLELO project, researchers from social and humanities disciplines collaborate with people with MID and their (in)formal networks to create an (online) learning community that aims to understand…

We are a dynamic research group at the Leiden Institute of Physics. Our aim is to explore and understand quantum materials, including strange metals, high-temperature superconductors, and quantum critical electron matter.

Plant architecture has distinct forms in different plant species, but also within a species the finalarchitecture of a plant is determined by its gradual development and changes therein induced by environmental conditions during the plant’s life cycle.

Papers written on the occasion of the 30th anniversary of the Institute of Prehistory, Volume I.

International trade plays a critical role in global food security, with global consumption having highly localized environmental impacts.

The Kroese-Duijsters Symposia aim to provide researchers from different fields and different career stages to meet in an informal setting, to stimulate discussions and to start new collaborations. The Kroese-Duijsters Symposia started in 2022 and we are pleased to invite you to the 4th Kroese-Duijsters…

Promotor: P. J. J. Hooykaas Co-promotor: B. S de Pater

Constitutional and administrative law covers a broad area of law. It provides the rules with which issues in society can be solved by government authorities.

Explore philosophical research and education at the Leiden Institute for Philosophy. Our scholars study knowledge, ethics and existence, connecting classical and contemporary thought.