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From fake news to COVID-19 conspiracies, debates about truth claims have become more prominent during the past decade. Taking a global, comparative perspective, the minor Disinformation and Strategic Communication in Global Media focuses on the broad spectrum of contested narratives subsumed under the…

A Companion to Cities in the Greco-Roman World offers in-depth coverage of the most important topics in the study of Greek and Roman urbanism. Bringing together contributions by an international panel of experts, this comprehensive resource addresses traditional topics in the study of ancient cities,…

The Leiden Advocacy Project on Plastic (LAPP) is a pro bono initiative concerning legal questions on plastics and is founded to address and research the legal issues related to plastic pollution.

Tensions between Venezuela and the USA have risen over the past few months. Associate Professor Salvador Santino Regilme explains on Al Jazeera what Donald Trump’s plans might involve.

LUdev is a student-run company within the Leiden Institute of Advanced Computer Science (LIACS). We are responsible for acquiring real-world software development projects, giving bachelor’s students the opportunity to apply the technical and theoretical knowledge gained during their studies in a professional…

This book offers a historical and historiographical analysis of the Spanish asiento de negros, a contract between the Spanish Monarchy and private parties to introduce specific number of enslaved Africans to Spanish America.

PhD defence

During the Faculty of Science New Year's reception, Daniël Rozen was named Discoverer of the year 2015. Nienke van der Marel and Koen van der Maaden both won the prize for the best dissertation and Jeroen van Smeden was named Best Teacher of 2015.

Overview of the main research projects at the Leiden Papyrological Institute.

Koen Bastiaans and his colleagues discovered a new quantum liquid unlike anything ever seen. They did it by using a technique that can be compared to listening to the sound of raindrops falling on a roof. Publication in Science 29 October.

Data from 41 million galaxies does not shake up the standard cosmological model after all. To that conclusion, to their own surprise, comes an international team of researchers including Koen Kuijken, professor at the Leiden Observatory.

At the beginning of this year CADS Lecturer Koen Suidgeest published his photobook Why I Cry on Airplanes. In this book he takes you on a visual flight around the globe to meet resilient human beings who live under challenging conditions. He decided to use the changing situation that COVID-19 causes…

Why are morpho butterflies blue? That is what high school students Frederique Kerstens and Koen van Griensven investigated in their high school profile paper at the Leiden Institute for Research in Physics. In doing so, they won the KHMW Profielwerkstukprijs 2023. ‘We didn't expect it, but are of course…

Dirk Uittenbogaard, a student on the Delft-Leiden Master’s in Industrial Ecology, has won a gold medal for rowing at the Olympic Games in Tokyo. Uittenbogaard took gold in the men’s quadruple sculls, together with Abe Wiersma, Tone Wieten and Koen Metsemakers.

Wat betekent belastinghervorming in de VS? Hoe groot is de invloed van belastingontwijkende multinationals op belastingconcurrentie in ontwikkelde en ontwikkelingslanden? En wat zijn de problemen met belastinguitgaven? Op 7 november vindt een GLOBTAXGOV-T20-seminar plaats op de Campus Den Haag van de…

On Thursday 28 September, the Committee on Social Minimum, of which Koen Caminada is a member, presented its second report to outgoing minister for poverty policy in the Netherlands, Carola Schouten. The Committee was established by the minister at the request of the House of Representatives.

Lecture, Research Seminar

Over 2,700 cars on the Fremantle Highway that caught fire on 26 July have been so badly damaged that they cannot be sold. Can we recycle these cars?

Lecture, Lunch Research Seminar

Knowledge of Muslim societies is essential to function in a globalised world and to fully understand our own Dutch society. Leiden researchers explore the languages, cultures, religions, legal systems and history of Muslim societies and in this way contribute to a centuries-old tradition.

Leiden University and Delft University of Technology are committed to providing you with a quality graduate education by scientists who bring their cutting-edge research into the classroom. For the Industrial Ecology MSc programme, both universities integrate the expertise of two internationally recognised…

To be eligible for Industrial Ecology at Leiden University and Delft University of Technology, you must meet the following admission requirements.

AI has huge societal and economic potential and is widely used. But it also brings challenges: how do we combine human values with AI, how do we make AI more transparent and understandable, and what can AI and human cognition learn from each other, for example about language learning?

Do you have questions about the admission and application process for the MA International Relations? Please check our FAQ to find your answer.

The Dutch universities are conducting a joint campaign to promote open access: free access to academic and scientific publications. Many Leiden researchers support open access. Given that it involves a shift in the financing from the reader to the author, they point out the need for effective agreements…

Cryptocurrencies have exploded onto global financial markets, with the value of a single bitcoin growing from around 800 USD in 2016 to 67,000 USD in 2021.

How did the Dutch Empire compare with other imperial enterprises? And how was it experienced by the indigenous peoples who became part of this colonial power?

This PhD-thesis analyses the relationship between the parties’ choices in the CPB Netherlands Bureau for Economic Policy Analysis’ assessments of the election manifestos and coalition agreements over the period 1986-2017, and tries to explain this relationship.

How can we ensure a more resilient and sustainable supply of Rare Earths in the EU in the future?

Are you curious about how societies are governed - and what makes a society just? At Leiden University, you’ll explore democracy, law, safety and public policy in both national and international contexts. From human rights to climate legislation, from elections to ethical dilemmas: you’ll learn to analyse…

Forgotten Lineages explores the paths through which generations of formally enslaved and their descendants gradually forgot their past of enslavement under Dutch and British imperial rule and became local subjects in Sri Lanka and South Africa. It explores why and how forgetting rather than memory became…

Can Cyanobacteria be engineered to convert the greenhouse gas carbon dioxide into the valuable chemical isoprene?

The research project SOG Pro (Structure of Government project) studies the changes in the structure and organization of central government in four parliamentary democracies: France, Germany, the Netherlands and the United Kingdom and aims to explain the changes within and across each country. Why are…

In this study, Bibi van den Berg and Sanneke Kuipers from ISGA, explore the ways in which cyber-related incidents may lead to crises

You’ve been accepted! Leiden University looks forward to welcoming you as a new student. Your next step is to prepare for your studies. Below you can find some tips to help you get a head start as you embark on your studies at Leiden University.

The 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.

Our research deals with the deep history of Europe and Eurasia, from the inception of farming up until the beginning of the Roman Period. This was a period in which key developments took place that had a profound impact on European landscapes and society until the present day. Our research and teaching…

Welcome to the Dutch Extract Library, the library of the majority of crop extracts grown in Dutch horticulture.

Cultural Anthropology and Development Sociology

The data-driven economy allows for the collection and processing of large amounts of data. Such data can be used to optimize profits by (dynamically) differentiating prices for different consumers.

Cody Bahir defended his thesis on 1 June 2017.