The more data from cancer research we pool, the better we can search for new treatments. But how can we keep patient data safe when sharing it? Leiden researchers will tackle this challenge in a major European project.

Health workers have always sought ways to fight disease in vulnerable groups in the population. It is now clear that such research also benefits more prosperous countries. African worm infections and innovative thermometers have shown Leiden researchers how to fight diseases of affluence and keep health…

Does the political context (e.g., democracy vs. authoritarianism) influence what makes people perceive authorities as legitimate?

Research in the Natural Computing and Optimization cluster covers theoretical foundations, the development of new algorithms, and interdisciplinary applications of natural computing methods.

Together with researchers from over the world, the ENIGMA-Anxiety Working Group endeavors to unravel the neurobiology of anxiety disorders and related constructs.

The Board of Governors of Leiden University has confirmed the appointment of Professor André Gerrits (Institute for History, currently in the field of Russian Politics and History) to the field of International Studies and Global Politics, commencing October 1st 2015.

Between 1993 and 2000 the Faculty of Archaeology had a formal cooperation with the Service Régional de l’Archéologie de la Guadeloupe, Direction Regional des Affaires Culturelles (DRAC) and the then director André Delpuech. During that period surveys and excavations were carried out at a number of s…

The research group Organizational & Entrepreneurial Behavior investigates the behavior of individuals and groups who start, work in, or lead organizations, in order to inform organizational practice. By focusing on the behavior of (groups of) employees, entrepreneurs and leaders, the main levels of…

The 14th International Global Optimization Workshop (LeGO 2018) was hosted by Leiden University in September.

Youth crime has plummeted in the Netherlands. Good news, you might think. Yet we need to look critically at existing sanctions, says Professor by Special Appointment André van der Laan in his inaugural lecture. ‘We should evaluate whether our response is just.’

To organise an Academy Colloquium on 'The New Authoritarianism: Russia and China in Comparative Perspective', in cooperation with André Gerrits.

As every year the Faculty of Archaeology bioarchaeology group has visited Schöningen Germany for field research.

Leiden archaeologists have identified a number of bone fragments that were excavated in Germany two years ago. The fragments are from a sabre-toothed cat and appear to be parts of the skull of a prehistoric feline that is over 300,000 years old.

Three lecturers from Leiden University have been awarded a €100,000 Comenius Teaching grant within the Senior Fellows programme. A further two lecturers have been awarded a €50,000 grant within the Teaching Fellows programme. The grants will enable the lecturers and their project teams to realise an…

Computers are capable of making incredibly accurate predictions on the basis of machine learning. In other words, these computers can learn without intervention once they have been pre-programmed by humans. At LIACS, we explore and push the borders of what a revolutionary new generation of algorithms…

The place of European states and institutions in world politics is the core focus of this pillar. Research on this theme concerns European actors’ ability to promote peace, security and justice in their neighbourhood and to shape the future of global governance by translating its economic size into…

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

The following maps show institutional collaborations and with indigenous communities (scroll down).

Leiden University’s Master of International Civil and Commercial Law (L.L.M.) examines the interrelated layers of hard law, soft law, and relevant case law.

This project investigates the full ecosystem of Middle Dutch prayerbooks in order to answer questions about their role in – and impact on – religion, culture, and society in the late medieval Low Countries.

A study programme all about cities and their issues. Three years ago, the bachelor's programme Urban Studies was a newcomer in The Hague. By now, the first theses are being written. André Gerrits, programme director, talks about the programme’s success: 'The intake of first-years has increased from…

For the first time in the Netherlands this summer: the Space Studies Programme - an international summer university for those who aspire to a space career. In parallel: the Sizzling Summer of Space, which is a public programme for both young and old.

On Wednesday 11 October 2017 the African Studies Centre Leiden and the Van Vollenhoven Institute for Law, Governance and Society are organizing a workshop.

Leiden University, Utrecht University and Maastricht University are organizing a two day conference on extradition and surrender, offering a venue for practitioners and young scholars to exchange experiences and ideas on these subject matters.

On Friday afternoon 22 April President Joko Widodo of Indonesia was welcomed at the gate of Leiden’s Academy Building by Indonesian students. Inside, the President and five ministers were welcomed by Rector Prof. Carel Stolker.

After a year of war against Ukraine, professors André Gerrits, Antoaneta Dimitrova and Frans Osinga look back at Russian aggression and Western unity and ahead to the new offensive.

Do you frequently search the catalogue of Leiden University Libraries (UBL) for western medieval manuscripts? Then you must have noticed important changes lately. Some 1800 summary catalogue records in Dutch were replaced by more elaborate descriptions in English. Furthermore, the catalogue interface…

Although it is already certain that Vladimir Putin will win the Russian presidential election on 18 March, it is still significant for him, argues Russian expert André Gerrits. ‘The support of the people reinforces Putin's position of power.’

By 2050, 70 per cent of the world's population will live in cities. This has major consequences for the lives of city-dwellers and for the environment. Uncontrolled urbanisation calls for an interdisciplinary approach. On 4 September, the first group of students started the new English-language Bachelor's…

Professor André Baranski is a champion for improving organ procurement. He believes there should be standardised training and certification for procurement surgeons. This is what he said in his inaugural lecture on 16 April.

The International Studies and Urban studies study programmes have moved to a new address. After five years in the Wijnhaven building they have moved to the Schouwburgstraat. ‘It is nice to have our own place in The Hague as the Faculty of Humanities.’

But how do you do it? At the annual Education Showcase, lecturers at the Faculty of Humanities could talk to their colleagues about teaching methods and teaching. Plenty of tips were exchanged during the information fair, workshops and drinks. Five participants talk about they learned.

The Laboratory for Archaeozoological Studies underwent a big reorganization and received a great donation from the Institute of Biology this summer. Laura Llorente Rodriguez explains the impact of this donation and reorganisation in this interview.

‘We have to have accountability.’ That was Roberta Metsola’ for her audience on Thursday evening. The President of the European Parliament had come to the Wijnhaven building to speak with students.

No fewer than 194 students received their bachelor's diplomas in International Studies on Friday 26 August.

Suddenly there they were, the Russian soldiers near the border of Ukraine. Since then, reports of tensions between Russia on the one hand and the United States and Europe on the other have dominated the news. What is going on? An interview with Russia expert André Gerrits.

Successful innovation requires more than technological progress alone. Every new concept must first be firmly anchored into an existing context. At least this is the hypothesis of Dutch classicists, working together in the National Research School in Classical Studies OIKOS. They intend to test this…

The war in Ukraine is entering a new phase with the announcement of a partial Russian military mobilisation and the intention to annex four Ukrainian regions. Why is Putin making these decisions just now and what consequences will they have for the course of the war? We talk to professor and Russia…

The war in Ukraine has lasted almost two weeks now. What does Putin expect to achieve with his invasion and how big is the chance that the West will get involved? We phoned André Gerrits, professor and expert on Russia.

A big performance by André Rieu, food trucks in The Hague and more contact with the Royal Family: grand plans were announced in April to make the State Opening of Parliament (Prinsjesdag) a real ‘crowd puller’. For this year, however, we will just have to make do with slight differences in emphasis.…

Recently, some changes have been made to the catalog of Leiden University Library, making more than 1000 digitized codices more accessible than before. The 'Inventory of Western Medieval Manuscripts Held by Leiden University Libraries,' created by manuscript curator André Bouwman, is also now available:…

On October 21st, 2019, the President of Mexico, Andrés Manuel López Obrador, handed out the National Prize for the Youth in the academic achievement category to our PhD candidate Omar Aguilar Sánchez. He received this honour for his work on Mixtec pictorial manuscripts.

Op donderdagmiddag 15 mei 2025 organiseert Universitaire Bibliotheken Leiden het symposium ‘De Middeleeuwen als inspiratiebron’. Aanleiding voor dit symposium is de publicatie van het rijk geïllustreerde publieksboek 'Schatten op schrift, 50 manuscripten uit middeleeuws Europa'.

In the week of 16 – 21 September, an international group of more than 50 scientists met at the Many Criteria Optimization and Decision Analysis (MACODA) workshop. They discussed many-criteria optimization, which is the searching for optimal solutions when one has to consider a larger number of criteria.…

On 11 December 2015, the Grotius Centre for International Legal Studies organized a seminar on

As of 1 May 2025 Dr. Vasiliki Kosta has been appointed member of the standing Committee for Freedom of Scientific Practice (Commissie voor Vrijheid van Wetenschapsbeoefening - CVW) of the Royal Netherlands Academy of Arts and Sciences (KNAW).

According to a study conducted by multiple research institutes, governments and law enforcements should widen the scope of their focus to right-winged terrorists such as Andres Breivik. The Guardian issued an in-depth analysis of their work last week.

In the media, we hear a lot of worrying news from Africa: refugees, attacks, Ebola, starvation, corruption... But Africa is much more than that: it is a continent in transition, with developments occurring at breakneck speed. African Studies scholars from different academic disciplines in Leiden conduct…

On 1 November 2019, the annual awards of the NLF (Nederlands Lucht- en Ruimtevaartfonds) were presented at a Gala Dinner at the Hotel van Oranje in Noordwijk.