A new report reveals five actions that leaders can take to contribute to economic development, advance global security and sustainability, and make space a safe and globally accessible domain.

In recent months, the Dutch Islamic Haga Lyceum has increasingly come under the suspicion. The school is suspected of spreading a state-threatening version of the Salafist doctrine. This information came from the Dutch Intelligence and Security Service (AIVD).

On 26 April 2017, Melanie Fink, PhD candidate at Leiden University and the University of Vienna, participated in a round-table discussion on ‘The “agencification” of EU foreign and defence policy: what role for the EU home affairs agencies abroad?’

Telling sensationalised stories, exaggerating benefits and understating the risks: creating ‘hype’ about something doesn't sound like something a responsible scientist would indulge in. Or could we also use hype in a ‘good way'? What could we achieve by opening up quantum futures for wider discussions,…

Joachim Koops, Professor of Security Studies and Scientific Director of Leiden University’s Institute of Security and Global Affairs (ISGA) has been awarded a ‘Jean Monnet Chair’ with a focus on ‘The European Union’s Role in Security and Global Affairs’ (EURISGA).

The LUCDH foster the development of new digital research by awarding a number of Small Grants each year. COIn Grants support Infrastructure development. We congratulate our four successful awardees for 2026.

PhD defence

PhD defence

Sleep disorders have a significant influence on our physical and emotional health. Sleep should therefore receive more attention within lifestyle medicine, says Professor Gert Jan Lammers. He will give his inaugural lecture on Friday 20 May entitled: ‘Getting to sleep’.

Research by Dutch television programme ‘Nieuwsuur’ shows that local councils in the Netherlands often lack civil servants and experts to support the implementation of the energy transition. As a result, they have become more dependent on commercial consultancy firms.

Labour law experts have called on the Dutch government to review the bill for the Dutch Assessment of Employment Relationships and Legal Presumption (Clarification) Act (‘VBAR’). Experts consider this legislative proposal, which aims to clarify the criteria for assessing employment relationships, as…

Anneleen van der Meer discusses Russia's alleged use of chemical weapons in Ukraine in an article for The Conversation.

Dr. Eduard Schmidt interviewed a hundred government managers from different ministries who had to perform cuts in own budget to various extents, under the Balkenende, Rutte I and II cabinets. Dr. Schmidt had one central research question: how do public managers in the Dutch government handle austerity…

In this project we develop algorithms to automatically detect a particular type of archaeological sites in satellite images of the Alps.

Tell Sabi Abyad is a major Late Neolithic settlement mound in Northern Syria, belonging to the seventh and early sixth millennium bc. This book presents the results of large-scale fieldwork conducted at the site between 1994 and 1999, under the auspices of the Netherlands National Museum of Antiquities…

The Ada Lovelace Distinguished Lecture Series brings outstanding computer scientists from around the world to Leiden University. The lecturers will share exciting ideas and results from the forefront of computer science.

Programme

Hybrid Intelligence (HI) is the combination of human and machine intelligence, expanding human intellect instead of replacing it. HI takes human expertise and intentionality into account when making meaningful decisions and perform appropriate actions, together with ethical, legal and societal values.…

The Tatiana Afanassjewa-lecture series was a series of public talks in Dutch that was started during the Covid-19 lockdown. The talks were given by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.

A hot topic in educational sciences is whether and how reading medium (paper vs. screen) affects reading comprehension. Especially in the media – but also in schools – their appears to be a preference for texts presented on paper: Paper texts are thought to induce a more intensive reading strategy,…

Worldwide resurgence of pertussis necessitates the need for improvement of pertussis vaccines and vaccination strategies.

The Centre for Indigenous America Studies (CIAS) at Leiden University is designed to coordinate and promote the teaching and research of Indigenous languages, literatures, cultures and cultural heritage.

Latif Fauzi defended his thesis on 18 May 2021.

On Thursday 1 December 2016 at 13.45 hrs, Francisco Sepulveda Ramirez will defend his doctoral thesis ‘Residence in Tax Treaties' at the Academy Building of Leiden University. Supervisor is Professor F.A. Engelen.

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

The role of domestic and wild resource exploitation in Bronze Age subsistence

Responsible AI for science and a strong and resilient society.

Since 2022, a higher proportion of people in the Netherlands have been victims of cybercrime than of 'traditional' crime. The Bachelor in Cybersecurity & Cybercrime trains you to become an all-round cyber expert, equipping you to take on the fight against cybercrime.

The International Arbitration Training Course, offered by Leiden Law School in cooperation with the Permanent Court of Arbitration, focuses on the theory and practice of international arbitration as a distinct field of the law and field of legal practice.

This thematic commentary analyses the core provisions and overarching themes of the EU Artificial Intelligence Act to provide readers with the information needed to understand, situate and implement this new piece of legislation in their practice.

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

What opportunities does uncertainty offer with regard to innovative behaviour of professionals and what role does leadership play in this?

Kira Nijland follows the master programme Policy in Practice and is since October the student member of the Institute Board of Cultural Anthropology. She previously gained board experience at study associations Itiwana and WDO. Now she would like to get to know the university structures from behind…

At Leiden University College, Jaap de Hoop Scheffer urged Europe to show unity and strength in a world defined by fear, power politics, and uncertainty.

How do you ensure that students still learn anything when they can have AI write an entire thesis in a matter of minutes? Staff members from the Faculty of Humanities discussed this and other questions during a special AI symposium. ‘Writing and independent thinking are crucial, especially in our fi…

With her Veni research, investigator Rosanne Baars from the Institute of History aims to demonstrate that women played a role in the eighteenth-century diplomatic circles of the Ottoman Empire. ‘We already know that one woman led the entire embassy.'

Leiden University Libraries invites you to the public lecture by Ted Underwood, Visiting Scaliger Professor. This lecture will be held on Thursday 21 November, from 16.00-17.00 in the Lipsius building, Room 0.19, Cleveringaplaats 1, Leiden. Afterwards, you can meet the new Visiting Scaliger Professor…

This summer school focuses on the emergence of sexual orientation, gender identity (SOGI) and intersex issues in different areas of international law, such as human rights law, refugee law, international economic law, and international criminal law. Details on the application for this edition are available…

The Academy of Creative and Performing Arts (ACPA) is hosting an international conference on November 29 and 30 at Gravensteen on the role and position of sounds and sounding arts in public urban environments. This unique conference aims to increase the attention to the role of the sound, sound design,…

20 November 2024 is World Children's Day. To mark this occasion, the UNICEF Student Team Leiden is organising a lecture on children's rights. We spoke to board members Rewina Teferi Hagos and Tugwell Chadyiwanembwa to find out what motivates them.

From toy cats that purr to robot dogs that bark: what do such technologies mean for older people, healthcare providers and family members? A Dutch Research Council (NWO) Veni grant is enabling anthropologist Tanja Ahlin to investigate how animal-shaped robots can contribute to care for older people…

Minister Grapperhaus wants to use intelligence services in the investigation of drug crime. There are many doubts about this wish in the intelligence world. Paul Abels, Professor by Special Appointment Governance of Intelligence and Security Services at the Institute of Security and Global Affairs (ISGA),…

Almost three years after receiving her honorary doctorate, Dr Graça Machel returned to Leiden University. Over the course of two days she spoke with students, researchers, and other interested persons, about human rights – particularly those of women and children – in a world in which these are continually…

Spatial technology such as virtual reality can help patients who have difficulty with spatial cognition, for instance if they keep on losing their way. In her inaugural lecture, neuropsychologist Ineke van der Ham will talk about the importance of avatars, the patient experience and room for innovat…

On July 8 and 9, 2022, Leiden University hosted the second conference of the research group on Institutions for Conflict Resolution, in collaboration with Radboud University Nijmegen and Utrecht University.

The Faculty of Social and Behavioural Sciences is committed to being a safe, comfortable, and equitable space for both staff and students: a place where a diversity of people feel valued and welcome, where there is room for a diversity of perspectives.

On this page you find all the ways through which the Institute of Psychology aims to foster Open Science.