Immune system defends our body against pathogens and cancerous cells, but excessive immunity can in turn lead to tissue damages and diseases. For example, scratching the surface of the eye ignites an immune response that aims at preventing infection but can also lead to edema, angiogenesis and eventually…

Ups and downs for students from year 12 and/or vwo 6 who are selected for the Academic Challenge and the Dutch version of this challenge, the ‘Wetenschapscongres voor vwo’.

Patients with incurable breast cancer remember more information about their treatment if their doctor is more empathetic during consultations. These are the results of research by psychologists from Leiden University in collaboration with Nivel research institute. Publication in Patient Education and…

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

In Nature researchers at Leiden University and Utrecht University show how 47 teeth from Southern China indicate that anatomically modern humans where present at least 80,000 years ago in the region. This is 40,000 years earlier than in Europe.

A new study in Nature Plants has explored the most important organising principles that control vegetation behaviour. The insights from this study can be used to improve predictions on climate change. Leiden scientists Peter van Bodegom and Nadia Soudzilovskaia participated in the study.

After eight years as professor at the Institute of Psychology, Carsten de Dreu is making the move to the University of Groningen, where he has been appointed to the chair ‘Foundations of Cooperation and Social Organisation’. On 18 June, he will bid farewell to colleagues at Leiden University.

On Friday 12 September 2025, the Opening Ceremony of the European Law LL.M. programme took place in the Lorentz lecture hall at Leiden Law School. Following Dr Barbora Budinska’s and Professor Armin Cuyvers’s warm words of welcome for the incoming students, Dr Darinka Piqani presented two student pr…

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

The new academic year is on its way and for most students it takes some getting used to being present at the KOG every day. What about international students? We spoke with three internationals who have been studying at Leiden Law School since this academic year.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This time he…

If you would want to set up an alumni network after you graduated in Leiden and returned to your home country, how would you go about it? Seven Leiden alumni in China did not hesitate and decided to just do it! Last year they launched the Leiden Alumni Chapter in China, an initiative which was met with…

Mike Field has been at the Faculty of Archaeology since 2008. As a driven archaeobotanist, he is consistantly contributing to the study of plant fossils encountered in many faculty as well as external projects. ‘Flexibility, spontaneity, creativity, these are all parts of being an academic.’

A cannon, a sabre, guns: these Sri Lankan objects had been in the Rijksmuseum for centuries. In early December, they were returned to Sri Lanka. Associate Professor of Colonial History Alicia Schrikker led the research that formed the basis for the restitution and published a volume on the findings…

The team of WIIS-Netherlands exists out of the board members and the advisory council.

Diplomatic Studies (DIST) is a peer-reviewed book series that encourages original work on the theory and practice, processes and outcomes of diplomacy.

Anthropological Research on Solidarity Economy in Croatia: the case of CSA.

Lecture

Every year, more than three thousand businesses are declared insolvent in the Netherlands. The purpose of bankruptcy is to divide the assets of these companies among the creditors. However, the value of the claims of the creditors often exceed the value of the assets of the company

The major aim is to examine the potential of learning the body to produce a similar physiological (autonomic, neuroendocrine, or immune) and physical (e.g., desensitization of persistent physical symptoms) response to placebo medication than to active medication (pharmacological conditioning). If proven…

To be eligible for Bio-Pharmaceutical Sciences and Education at Leiden University, you must meet the following admission requirements.

The map application includes information from old and new buildings archaeological projects. This makes it possible to investigate whether water facilities (wells, cisterns) and waste facilities (cesspits, sewers) were the privilege of Leiden’s wealthy elite in the late 16th and 17th centuries or whether…

Discover the effects of clothing value and lifespan on buyer-user-producer relationships through collaborative research with Localising Global Garment Biographies.

Knowledge and culture subproject 4:

With Muslim Futures, our ambition is to create spaces where imagination leads. In an increasingly destabilizing global context, where climate, economic, and social crises expose the limits of current systems, people across disciplines are beginning to ask: 'What kind of society do we want to live in?'…

How do lecturer-researchers at Dutch Universities of Applied Sciences perceive their academic identity after expanding their teaching-only work portfolios to include researcher roles, and how do they navigate attached identity-based role transitions, while balancing personal goals, institutional expectations,…

To be eligible for Bio-Pharmaceutical Sciences at Leiden University, you must meet the following admission requirements.

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…

Leiden University regularly confers honorary doctorates, and presents awards and prizes.

This pioneering project will answer this question by examining migrants through the eyes of the courts between 1600 and 1900. It aims to reveal patterns of continuity and change in: 1. Treatment of migrants by criminal courts; 2. Violence and conflicts between migrants and native born.

Teacher Dr. Elke Devroe introduces group role-play on actual themes of governance of crime and social disorder. In the final session of the course, the classroom was transformed into a theatric scene where students applied their insight into the contemporary debates on various issues in governance…

My first fieldwork in Nigeria began up in the air, as we were approaching the runway of Lagos’ Murtala Muhammed Airport.

For the Netherlands, like many other European countries, the nineteenth century was a period of strengthening national identity. Anne Petterson describes how 'the ordinary people' of Amsterdam expressed their patriotic feelings differently from how the elite had hoped. PhD defence 24 January.

On Saturday 25 June, the Europa Institute of Leiden University hosted the 61st Leiden-London Meeting, an annual event organized jointly by the Europa Institute and the British Institute of International and Comparative Law (BIICL). This year’s meeting had “Interdependence, cooperation and strategic…

A flake of limestone (ostracon) inscribed with an ancient Egyptian word list of the fifteenth century BC turns out to be the world’s oldest known abecedary. The words have been arranged according to their initial sounds, and the order followed here is one that is still known today. This discovery has…

On January 25th, artist Jonas Staal will defend his dissertation which explores the development of propaganda art from the 20th to the 21st century.

Translating ancient texts, filling in missing parts of clay tablets: articles are popping up more and more often about the possibilities offered by artificial intelligence for researching documents in the oldest scripts. Are we better off leaving the deciphering of ancient texts to computers from now…

Leiden University and African Child Policy Forum hold ‘ground-breaking’ workshop on antimicrobial resistance (AMR) and human rights in Africa

This fall, LUCIS will have the pleasure of welcoming Professor Hugh Kennedy from SOAS University of London to Leiden. He is the fourth Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University.

A Leiden literary scholar, paintings of the Winter King and Queen and a string of pearls brought together by an exhibition in the Hague. Dr Nadine Akkerman: ‘The Winter Queen was a highly political person who used every means – including pearls - to showcase her royal lineage.’

We have to do all we can to stop climate change. But: the Earth is more resilient than we thought. That is the surprising conclusion of an international team of ecologists and mathematicians, which included Leiden mathematician Arjen Doelman. The team discovered that ecosystems can still avoid tipping…

A pop-up exhibition ‘All the Einsteins’ will open at Rijsmuseum Boerhaave on 29 May 2019. This is the first time that the museum will present its entire collection of handwritten letters and documents by Einstein. The exhibition marks, among others, the publication of the first photo of a black hole…

This fall, LUCIS will have the pleasure of welcoming Professor Emeritus Geert Jan van Gelder to Leiden. He is the second Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University.