An international team led by Leiden astronomers has discovered why the two stars of binary star DI Herculis rotate so strangely around one another, which once even proved problematic for Einstein's theory of relativity. Their findings were published in Nature.

In 2022, Leiden will be the European Capital of Science. An enthusiastic team from our Faculty is already busy planning the activities. Today we speak with Marin Visscher. As a project coordinator, he seeks the connection between university and society.

Leiden was ‘European City of Science’ in 2022. Leiden University looks back on a fantastic year with activities, lectures and workshops full of science and curiosity.

In 2022 Leiden will host the Euroscience Open Forum, Europe's biggest multidisciplinary scientific meeting. Leiden University, the Municipality of Leiden and The Hague Convention Bureau joined forces to organise the conference and bring it to Leiden.

The title of European City of Science was officially handed over to a delegation from Leiden in the Italian city of Trieste on 6 September. Leiden will be the science capital of Europe for the year 2022. The EuroScience Open Forum (ESOF), the largest interdisciplinary science conference in Europe, will…

Assessing the effects of landscape and land-use changes on the visibility of archaeological landscapes in Central-Southern Italy.

Since 2000 the Leiden Student Council (LSR) yearly awards a prize for the best teacher of the university at the Dies Natalis.

You can't have missed it: Leiden University celebrated its 444th anniversary in 2019 with a year-long programme of activities for the people of Leiden and The Hague. The Dies Natalis on 7 February 2020 marks the end of this special year. High time to look back at what we did!

On 8 February 2016 prof. Jennifer Chayes received her Honorary Doctorate at Leiden University as part of the 441e Dies Natalis. A video registration of this special event has now been published. For the ceremony of Jennifer Chayes’ Honorary Doctorate, please scroll to the 82th minute.

From BBC film shootings to a video of snowy Leiden and from bikes in the canal to our birthday, the Dies Natalis. This was our year in 12 Facebook posts!

In 2021 many of our students and staff won fantastic prizes and were awarded important research grants. This is our traditional review of these successes as the end of one year marks the beginning of another.

De Contactgroep Signum organiseert haar jaarlijkse symposium in 2022 in Gouda, op zaterdag 27 augustus 2022 (Streekarchief Midden Holland, Steenlandzaal). Het thema betreft de 'De parochiekerk in de middeleeuwen en vroegmoderne tijd'.

The Abbey Library of Saint Gall and the Chair for Mediaeval and Renaissance Latin at Friedrich-Alexander-University Erlangen-Nuremberg organize their third Summer School Medieval Writing Culture (V to XV century), which will be held from 16 till 20 May 2022. Deadline for applications: 3 March 2022.

What are the essential determinants of (dis)trust? And, what are the effects of being (dis)trusted?

These podcast episodes were written for the Green Office’s Spring Podcast competition and miniseries 'Beyond the Safe Space', on the theme: the Planetary Boundaries, which took place between the months of March-May 2023.

Amici Cantus Gregoriani is organizing the second edition of the Gregorian Summer Course, in close collaboration with the Royal Conservatoire in The Hague. This course will take place from August 29 to September 2, 2022 in the Kloosterkerk, also in The Hague.

In the new Annual Report 2022 we report on not only research and teaching at Leiden University but also ICT, real estate, personnel, finance, impact and knowledge transfer and more.

On 8-10 June 2022, the GTGC international conference was organized. The conference included high-level roundtables regarding the International Criminal Court (including opening remarks by the ICC President), climate change, and the global Internet in a divided world. Further plenary sessions revolved…

The Turn of the Soul: Representations of Religious Conversion in Early Modern Art and Literature

Archaeology can help us reflect critically on our European identity. This is what David Fontijn will claim in his inaugural lecture on 18 March.

On 9 February, 2015, the 440th Dies Natalis, Peter J. Katzenstein will be awarded a Leiden University honorary doctorate in recognition of his contribution to the social sciences in general, and to political science in particular. Professor Katzenstein (Cornell University) is one of the most influential…

Leiden University is awarding an honorary doctorate to virologist Marc van Ranst. Van Ranst has been one of the main advisers of the Belgian government during the Covid pandemic. German Arabist Beatrice Gründler will also receive an honorary doctorate for her work in the field of Oriental Manuscript…

Emeritus Professor of Theoretical Physics Wim van Saarloos received an honorary doctorate from the University of Twente last Friday. In addition to his work at Leiden University, Van Saarloos was president of the Royal Netherlands Academy of Arts and Sciences (KNAW) until June 2020 and he led The Dutch…

The Graduation Ceremony 2022 of the master's Law & Society took place on 7 September 2022 in the Telders Room of the Academy Building in Leiden.

The theme of the Research School for Medieval Studies' Medieval Studies' Day 2022 (UvA, Amsterdam, 4 November 2022) is Reflections. We welcome 15-minute papers on topics connected to the theme, with a medieval focus, in all humanities disciplines. We particularly invite proposals from PhD students and…

In this research note, Van der Does & Kantorowicz aruge that citizens that tend to experience political exclusion are often more supportive of direct and participatory forms of decision-making.

Benjamin Marius Telders, professor of international law, died of typhus in Bergen-Belsen on 6 April 1945. He was an example of civil courage before and during the occupation. He spoke up against inequity and injustice.

When I am working with master's students, I often hear myself or my colleagues praising the importance of establishing good relations with collaborators in the field

The seminar is dedicated to the work-in-progress of Leiden Centre for Continental Philosophy staff and doctoral students. The paper is sent in advance and discussed in the meeting. The seminar is open to all.

The Tappino Area Archaeological Project aims to map and analyze ancient settlement patterns and dynamics in a small valley in Central-Southern Italy, in modern Molise (province of Campobasso). The first sites in the area date to the Bronze Age. In the Iron Age to Classical period, it was reportedly…

Former PhD, Bachelor and Master students of the Van Exter Lab

Annually the Institute of Cultural Anthropology and Development Sociology awards the Speckmann prize for the best Fieldwork NL report, as well as the most accomplished master’s thesis.

Non-urban settlement organization and Roman expansion in the Roman Republic (4th-1st centuries BC)

Eine Archäobotanische untersuchung zu Umwelt und Landwirtschaft der Ältesten Bankkeramik.

LECTIO, the KU Leuven Institute for the Study and Transmission of Texts, Ideas and Images in Antiquity, the Middle Ages and the Renaissance, invites applications for its Visiting Program 2022-23. Deadline: 10 June 2022. For more information: lectio@kuleuven.be.

The seminar is dedicated to the work-in-progress of Leiden Centre for Continental Philosophy staff and doctoral students. The paper is sent in advance and discussed in the meeting. The seminar is open to all. Venue: Lecture room or zoom.

The basic program for 2022-2023 has recently been published online. The program of the Research School has been expanded with a number of important basic courses.

The research project of Jos Raaijmakers is nominated for the Huibregtsenprijs 2022. The researcher of NIOO, with a guest appointment at the Institute of Biology Leiden (IBL), is one of six nominees. On the Evening of Science & Society (Dutch: Avond van Wetenschap & Maatschappij), 10 October 2022, the…

Australian cell biologist Melissa Little and Dutch physicist Robbert Dijkgraaf will each be awarded an Honorary doctorate at the Dies Natalis of Leiden University in February 2019. They are receiving these awards for their services to science.

The Molecular Physiology group collaborates with both international public-private and academic institutions.

The Leiden University Green Office is pleased to announce the details of its Spring Event, which will consist of a poetry reading and a clotheswap!

Stéphanie van der Pas won the Leiden University Thesis Awards 2014 with her thesis

The Diploma in Medieval Studies entitled European Diploma for the study of Medieval Latin written sources, organised in the framework of the ERASMUS+ programme, was created at Louvain-la-Neuve in 1991. More than twenty European and extra-European universities are involved. The courses focus on methodology…

Interdependence, cooperation and strategic autonomy: A (legal) view from the EU

The winner of the 2022 Spring edition of the NWO Venture Challenge was announced during the Dutch Biotech Event. The innovative startup Iprotics has developed specific proteasome inhibitors that potentially treat multiple myeloma (MM) without the side-effects known from traditional proteasome inhibi…

Who benefits from CXCR/CXCL chemokine signaling during infection: host or pathogen?

Did the Jochids leave their mark on the Grand Duchy, taking into account that the Lithuanian state was one of the main successor states of the Great Horde in the 16thCentury?

How to understand the simultaneously dis- and reappearance of letters in contemporary culture, and how does this Neo-Epistolarity relate to media-technological change?