Dying from viral infection due to organ failure and blood loss: we still know little about how it can happen. Among other things, Huaqi Tang developed an organ-on-a-chip to figure it out. 'These technologies can offer unprecedented opportunities to fight the viruses that threaten our society.' Tang…

Emeritus Professor Ben Lugtenberg edited a book on “Principles of Plant-Microbe Interactions” together with Paul Hooykaas, Eddy van der Meijden and Jos Raaijmakers, all from the IBL.

The success of Dutch radio astronomy in the last century was largely due to Leiden astronomer Jan Hendrik Oort. He made astute use of circumstances in the post-war period. Historian Astrid Elbers' research focuses on this golden period.

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: Constant Hijzen researches secret services.

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

Two Stolpersteine (stumbling stones) have been placed in front of the University Library in memory of the Jewish Cosman family. At the time of the Second World War, they lived in one of the houses where the library is now located.

Global versus local, democracy versus dictatorship, tradition versus modernisation: such contrasts make it difficult for anthropologists. They look in detail at what really happens and can therefore add some nuance to blueprints and debates, is what Frank Pieke, Professor in Modern China Studies, will…

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Michael Ignatieff, Canadian author, university professor and former politician, has been appointed Cleveringa Professor for the 2013-2014 academic year at Leiden University, the Netherlands. Professor Ignatieff will deliver the Cleveringa lecture on 26 November 2013.

The Institute for History announces vacancies for three PhD positions on Rethinking Disability: the Global Impact of the International Year of Disabled Persons (1981) in Historical Perspective and one PhD position to conduct research on the United Nations Transitional Authority in Cambodia (UNTAC).

We are saddened by the news of the unexpected passing of prof.dr. Pieter Sjoerd van Koningsveld on 28 July 2021.

Pigeons, zebra finches and parakeets. Carel ten Cate studied bird sounds. But not just that. Together with linguists from Leiden, he investigated parallels between birdsong and language. On 9 June, his farewell symposium was held to mark the end of his broad career. Well, the end? Carel ten Cate has…

Leiden University Professor and world renowned Bach specialist Ton Koopman returned to the San Francisco Symphony for two weeks of concerts celebrating J.S. Bach and his legacy.

On the south coast of Sri Lanka is a colonial fort. Since it became a world heritage site, the fortified town of Galle has suddenly become a major tourist attraction. This has its pros and cons, says PhD candidate Uditha Jinadasa. PhD defence on 12 March.

In recent years, freedom of movement within Europe has come under increasing pressure as a result of transboundary crisis situations. In his inaugural lecture on 22 October, Professor Jorrit Rijpma argues that what is needed is even closer cooperation to provide the best protection.

An incredible quantity of archaeological reports are stored in digital archives. If you want to search for information in them, you have to do this manually. And that is a real chore. Archaeologist Alex Brandsen has now used deep learning, a form of artificial intelligence, to develop a search engine…

It is theoretically possible that habitable planets exist around pulsars, rotating neutron stars. Such planets must have an enormous atmosphere that convert the deadly X-rays and high energy particles of the pulsar into heat. That is stated in a scientific paper by astronomers Alessandro Patruno and…

After the Second World War almost three million people emigrated from the Netherlands to countries such as Canada and Australia. The government information was anything but objective, Professor by Special Appointment of Dutch Studies/Dutch Literature Ton van Kalmthout concludes in his inaugural lect…

Historian Frank Dikötter will receive an honorary doctorate from Leiden University for his work on the history of the Chinese Republican period and the People's Republic of China under Mao. He will be awarded the honorary degree during the university's Dies Natalis celebrations on 8 February 2017.

How can we best deal with the current problems caused by the human impact on the nitrogen cycle? How do we make the transition to a sustainable society? As of 1 September, nitrogen expert Jan Willem Erisman will be working on these questions at Leiden University: he will exchange the Louis Bolk Institute…

Ominous witches, gruesome monsters, and hideous freaks: from Saturday 15 June, Kunsthal Rotterdam will be putting the spotlight on the shady depths of human imagination in the exhibition Hello darkness, my old friend. Seventy works on paper from the collection of the Leiden University Libraries confront…

Mark Klaassen, Assistant Professor of Immigration Law and member of the Dutch Advisory Council on Migration, explains on Dutch radio programme ‘Met het Oog op Morgen’ why it’s a bad idea to use Denmark as a model country for Dutch asylum policy.

Education in (Chinese) Medicinal Plants associated to the Hortus botanicus in Leiden - Which Traditional Chinese Medicinal plants can be grown in the Hortus? - Establishing of a database which Chinese medical plants are available in Dutch Botanical Gardens - Data validation (correct identification,…

Developments in globalization and industrialization continuously push governments, international organizations and NGOs to reexamine the opportunities available to people at all levels of society to attain basic socioeconomic necessities. Research into existing social justice initiatives has shown a…

The Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology. We are part of the Faculty of Science at Leiden University.

Our research primarily focuses on the early universe and its origins in theories that go beyond the Standard Model of particle physics.

The members of the Institute for Philosophy study all aspects of philosophy. In our research we seek a fruitful interaction between systematic and historical approaches to philosophy, and we thrive on intensive national and international collaboration.

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.

Leiden University gives inquisitive students the opportunity to follow an extra programme or classes alongside their regular bachelor’s programme. These are called Honours College and Honours Classes.

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This unique collection applies globalization concepts to the discipline of archaeology, using a wide range of global case studies from a group of international specialists.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

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.

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

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…

Schemas are knowledge structures that allow us to make efficient judgments about the world without the cost of memorizing every detail of previous experiences. It has long been known that schemas can enhance long-term memory for related information.

What are the arrangements for your pension? What are you entitled to? Until what age do you have to continue working? And can you decide for yourself how your pension contribution is invested?

A full overview of THEOR PhD theses.

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

Promotor: Prof.dr. T. Hankemeier, Co-promotores: Heiko van der Linden, Paul Vulto

This series provides a venue for scholarly work—research monographs and edited volumes—that advances our understanding of the history of slavery and post-slavery in any period and any geographical region. It fills an important gap in academic publishing and builds upon two relatively recent developments…

What makes a good historian? When historians raise this question, as they have done for centuries, they often do so to highlight that certain personal attitudes or dispositions are indispensable or studying the past. Yet their vieuws on what virtues, skills or competencies historians need most differ…

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

Promotor: C. W. J. Beenakker, Yu. V. Nazarov, Co-promotor: J. Tworzydlo

The Europa Instituut is pleased to announce that on 21 November 2016 a new handbook “EU State Aids” (31 Chapters, 1500 pages) was published.

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

Why do historians so often talk about objectivity, empathy, and fair-mindedness? What roles do such personal qualities play in historical studies? And why does it make sense to call them virtues rather than skills or habits?

Promotores: Arjen Doelman, Jens Rademacher, Max Rietkerk

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