University website(s) are currently unavailable.

From 10:00 onwards, it will no longer be possible to change your ULCN password. The ISSC helpdesk will not be able to assist you with this. this will be untill December 30th

Scott Waitukaitus has been nominated by LION to be Discoverer of the Year 2017. Cast your vote now!

The project has been done in the Quantum Matter Optics group under the supervision of Dr. Wolfgang Löffler and Prof.dr. Carlo Beenakker. The title of the presentation is:

We would like to draw your attention to the following advertisement which was originally disseminated by the Dutch Breast Cancer Foundation, in collaboration with Leiden University

The project has been done in the Theoretical Nanophysics group under the supervision of Prof.dr. Carlo Beenakker. The title of the presentation is: ''Quantum pumping signatures of parafermionic zero-modes.

On 5 November 2021, GTGC Conflict, Peace and Security thematic group organized a research seminar about Migration across the Mediterranean. In this seminar, Eugenio Cusumano from the Institute of History at Leiden University, presented a paper on Migration across the Mediterranean.

Then post an awesome picture on instagram of your Law school experience using the hashtag #LeidenLawSchool. Just like Kelly did with her favorite hoodie! If you want to participate, don’t forget to follow @LeidenLaw and use the hashtag!

Computer Science on place 51 in QS World Universities Ranking 2011

Due to the Covid-19 pandemic situation, the Archaeology/Egyptology programme for this year comes in a new form. It is all-digital; consisting of virtual museum tours, Arabic classes, and Egyptology lectures!

Last weekend, Reijer Passchier talked about the constitutional right of the king to renounce the kingship.

Amidst concerns over what the re-election of Donald Trump will mean for the international system, Prof. Dr. Jan Aart Scholte gave a Cleveringa Lecture titled ‘Trump, geopolitics and the future of globalization’ on 28 November 2024.

The April 2023 issue of the CML Rev., Vol. 60 No. 2 is now available online.

As with other dual-use technologies, non-lethal drone applications are increasingly becoming both a cause for concern and an exciting area of development.

The August 2023 issue of the CML Rev., Vol. 60 No. 4 is now available online.

University website(s) are currently unavailable.

On 12 December, GTGC's Chair, Prof. Jan Aart Scholte delivered the Cleveringa Lecture in Istanbul.

Because the last Elfstedentocht celebrates its twentieth anniversary, New Scientist spoke with physics professor Tjerk Oosterkamp about his research on the slipperiness of ice and his passion for skating on natural ice.

In a promotional video for the SUNRISE initiative, prof. Huub de Groot explains the impact and ideas behind artificial photosynthesis.

On 3 December 2021, the conference: Lessons from Afghanistan was organized jointly by LUCIR (Leiden University’s Centre for International Relations), ISGA (Institute of Security and Global Affairs) and GTGC (Global Transformations and Global Challenges Initiative), all at Leiden University, The Neth…

Christa Tobler, Professor of European Law at the Universities of Basel (Switzerland) and Leiden, participated in a Swiss television debate on the free movement of persons.

ALICE is Leiden University's newest computing miracle. The computing cluster is a first step in the development of infrastructure for computational and data-intensive research that is accessible to everyone within Leiden University and the LUMC. This includes both experienced users of high-performance…

Students of the Leiden University Faculty of Archaeology once again explore the archaeology of Oss between April and May of 2023. New areas along the Gewandeweg will be investigated. The local news platform DTV Nieuws featured an article about it.

On 24 May 2022, the universities of Tokyo and Leiden organized a rotating chair named after Professor Hisashi Owada. The Owada Chair focused on the interaction between international law and international relations in an interdisciplinary perspective. Dominique Moïsi, a professor at Kings College London…

In the series 'Kracht van Sportdata' (Power of Sport data) Rens Meerhoff, postdoc at the Leiden Institute of Advanced Computer Science (LIACS), held a lecture about tactical behaviour based on positional data.

On Wednesday November 28th, the Physics education program organized its second Bachelor Project fair.

In Leiden University's video series on Leiden and The Hague as student cities, students interview each other at their favorite spots. In the fifth video of this series, archaeology student Julia spoke with Anthropology student Daria in Trianon, on Leiden's cinemas.

On the 6th of February 2023, Nina Hall from Johns Hopkins School of Advanced International Studies presented her book titled 'Transnational Advocacy in the Digital Era, Think Global, Act Local'. The book explores the role of digital advocacy organizations, a major new addition to the international…

Aleydis Nissen discusses her new book, The European Union, Emerging Global Business and Human Rights.

On 13 December 2022, Jan Aart Scholte and Soetkin Verhaegen presented to the German Institute of Global and Area Studies on 'Citizens, Elites, and the Legitimacy of Global Governance'. Click here to find out more about the event.

Jan Aart Scholte was lead organizer of a conference on ‘Future Directions in Global Legitimacy Research’, held in Stockholm on 21-22 June 2022. The gathering assembled 50 leading scholars on this subject to reflect on future research concerning the sources, processes, and consequences of legitimacy…

In an interview with newspaper

On June, Wednesday 27th nine of our ALGANT master students received their diploma. Herewith a very successful ALGANT year has come to an end.

Registration for student reception now open

The project has been done in the Dirk Bouwmeester Lab under the supervision of Dr. Wolfgang Loeffler, Dr. Michiel de Dood and Frank Buters. The title of the presentation is:“A membrane-in-the-middle device for optomechanics.

On Wednesday, September 27th the mayor of Leiden, Henri Lenferink, gave a lecture to the master's-degree students of Child Law, Criminal Law and Constitutional and administrative law.

Experimental physicist Tjerk Oosterkamp and theoretician Hans van Leeuwen conduct research on the exact mechanism behind ice skating. De Volkskrant published a news item about it during the opening weekend of the Olympics.

Postdoc Intigam Mamedov comments in The Conversation on the recent peace talks between Russia and the USA regarding the war in Ukraine.

Farewell lunch Stijn Aerts On 25 May, we organised a farewell lunch with a sjoel competition for Stijn, who left the institute on 1 June. Dear Stijn, it has been a great pleasure working with you, and we will surely miss you. We wish you all the best for the future!

On Tuesday, 16 December 2025, a disruption occurred in the functionality of Mediasite. The supplier has been informed and is currently investigating the cause of the disruption.

University lecturer Andrew Gawthorpe comments in an article on the Conversation on Trump’s attack on Iran.

The Guardian interviewed professor Marlou Schrover about the increasing number of trans refugees from the United States.

The December 2025 issue of the CML Rev., Vol. 62 No. 6 is now available online.

PhD candidate Sulakhana de Mel discusses the link between geography, trade and food in Sri Lankan newspaper The Examiner.

The university website(s) are currently unavailable.

The February 2026 issue of the CML Rev., Vol. 63 No. 1 is now available online.

Lama Abboud's 'Turathuna foundation' combined traditional craftmanship with climate resilient techniques to restore a piece of Homs cultural heritage: the Ghassania theatre. The international trust organisation (INTO) made a short (11 min) documentary about the project.

Due to a technical fault, the Leiden University staff website is currently unavailable.

Latin America Reports quoted university lecturer Andrew Gawthorpe about the situation in Cuba.

University lecturer Andrew Gawthorpe wrote an article for The Conversation on the US-Iran war.