Helen Duffy was appointed as the Gieskes Chair of Human Rights and International Humanitarian Law last year. As the title suggests, her research, and to a large extent her teaching, focuses on how diverse areas of international law co-apply and interrelate.

In 2015, Jorryt Matthee thought he discovered an extremely distant galaxy called CR7, which lacked elements heavier than helium. Three years later, he shows with measurements using the ALMA telescope that the galaxy does have carbon after all, and even in normal concentrations. The American Astronomical…

On 14 November 2025, representatives from several organizations across the publishing reform and research assessment reform communities gathered in Pisa, Italy, for a workshop aimed at identifying and advancing joint actions to strengthen both movements.

Dutch newspaper Trouw investigated the tax position of multinational Cargill. Their conclusion? Cargill appears not to pay taxes over their profits. Trouw asked Jan van de Streek, Professor of Tax Law, and PhD candidate Josephine van der Have for an explanation. Prior to this, Van der Have had also…

Starting September 1st, philosopher Douglas Berger will be professor of Comparative Philosophy at the Leiden Institute for Philosophy. His appointment marks a new direction for research and education in philosophy at Leiden University.

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: Constant Hijzen researches secret services.

American physicist and quantum computing pioneer Seth Lloyd is the 65th Lorentz professor. He will deliver the Ehrenfest lecture on 5 June, and several more lectures on quantum computing on 11, 18 and 25 June.

American PhD candidate Linda Gottschalk wrote this proposition in her dissertation on Caspar Coolhaes, Leiden’s first Professor of Religious Studies. What's behind it?

Hans-Martien ten Napel has been awarded a Research Fellowship in Legal Studies at the Center of Theological Inquiry (CTI) at Princeton University, USA, which enables him to be in full-time residence at CTI for the academic year, 1 September 2014 to 31 May 2015.

Early hominins probably lived in Europe for hundreds of thousands of years before using fire to alleviate the winter cold, to cook or to make tools. It was only in the period betwen 300,000 and 400,000 years ago that the first finds were made that indicate that people had the ability to control fire…

Dr. Elif Naz Kayran received the Best Dissertation Award from the Migration & Citizenship Section of the American Political Science Association (APSA) for her dissertation 'Political Responses and Electoral Behaviour at Times of Socioeconomic Risk Inequalities and Immigration'

‘In recent publications about the slave trade the same rhetorical weapons are used as two centuries ago in the battle for the abolition of the British slave trade. It is a topic fraught with emotions, but that should not prevent historians from being as careful and impartial as possible in their research,’…

Can humans sense where north is, using what is known as magnetoreception? This question had master’s student Björn Keyser (Media Technology) so intrigued that he started crowdfunding to be able to study this together with the California Institute of Technology.

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

Recognition for an unprecedented career of more than forty years: Professor of Applied Statistics Jacqueline Meulman of the Mathematical Institute receives the Career Award of the Psychometric Society. ‘A fantastic surprise.’

Leiden political scientists Yvonne Kleistra and Niels van Willigen have advised the United States State Department as to how to evaluate its foreign policy. Point of departure was a scientific model that Kleistra and Van Willigen have developed on the basis of their work for the Dutch Foreign Affairs…

Hoe kan het dat universele mensenrechten wereldwijd niet hetzelfde in de praktijk worden gebracht?

The FOM Executive Board has appointed Professor Wim van Saarloos (1955) Director of FOM Foundation, effective 1 November 2009.

Es un placer y un gran honor poder contar con la participación de la Prof.dr. Margarita Mateo Palmer durante el X Congreso Internacional de la AHBx. Impartirá una conferenica plenaria bajo el título “Nombrar las cosas: avatares transhispánicos en Cuba” el Jueves 2 de Noviembre a las 9.45 en el edificio…

Of the 87 Vidi research subsidies awarded by NWO, five have been awarded to Leiden researchers. This represents almost 6 per cent of the successful applications.

Alumna Marte Luesink took both a bachelor’s in International Studies and a master’s in International Politics at Leiden University. Very quickly after graduating she was offered a job as researcher at the Leiden Institute of Political Science.

A workshop (Cairo, Egypt, 14-15 September 2018) organized by the Netherlands-Flemish Institute in Cairo with support from “DICIS” / Digital Cinema Studies https://www.digitalcinemastudies.com/

Geometrical patterns serving as decorations do more than just that; they always have a meaning, according to art historian Arthur Crucq. Doctoral defence 17 May.

In 2015 the Pascalchair of the Faculty of Science, Universiteit Leiden and in particular of Leiden Institute of Advanced Computer Science, is held by Prof. Dr. Natasa Jonoska, University of South Florida, Tampa, USA.

Baroque flautist Jed Wentz followed two years of dancing classes in order to develop the right feeling for the gestures required for the Baroque French opera genre ‘tragédie en musique’. On 9 December Wentz defended his PhD thesis on the subject, and on 8 December he gave a concert in the context of…

An NWO Veni application by Linda Geven, Assistant Professor at the Institute of Criminal Law and Criminology, has been honoured. She will spend the next three years conducting research into false confessions in police interrogations.

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

Botanisch filosoof Norbert Peeters vertelt over hoe mensen omgaan met planten in het algemeen, en met onkruid in het bijzonder.

Jos F. Brosschot has been appointed as a professor by special appointment on the chair ‘psychophysiological mechanisms of stress in daily life’. This chair has been created by the Foundation for Research into Psychosocial Stress.

Nu belastingsystemen over grenzen gaan, speelt de politiek een steeds grotere rol. Irma Mosquera Valderrama pleit voor een wereldwijd, inclusief systeem.

On 26th and 27th February, the South African Minister of Science and Technology, Naledi Pandor will visit Leiden University as honorary Oort Visiting Professor of Astronomy for Development. She will give a ceremonial lecture on Astronomy for Development in the Academiegebouw on 26th February and lead…

We are very happy to announce that as of 1 March Marleen De Meyer is our new NVIC Director!

Brexit has been a kind of shock therapy for the EU and has eventually led to more appreciation for European cooperation. That is what Professor Luuk van Middelaar claimed on 30 November at the conference ‘Brexit and the future of the European Union’ which marked the 60th anniversary of the Europa Institute…

Political scientist Tom Theuns (Leiden University) has been awarded a Veni grant from the Dutch Research Council (NWO). This means that he is recognised as a promising researcher and that he will receive support to develop his ideas further for a period of three years. Theuns will focus on the role…

Artist Marlene Dumas gave the 48th Huizinga Lecture to a packed Pieterskerk on 6 December. She spoke about her own background, and why you can’t assume this will help you understand her work.

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. But the complicated relationship between…

The Defence White Paper, titled ‘Strong, smart and together’, is debated in the House of Representatives along with the Defence Budget and raises concerns especially in uncertain times.

An event where students came together to discuss the impact of AI on healthcare. Jurren de Groot and Yuxuan Zhu, master's students in Artificial Intelligence, took up the debate. They participated in SimuVaction, an event that brings students worldwide together in Atlanta to simulate an initiative of…

The Event Horizon Telescope (EHT) collaboration receives the 2021 Royal Astronomical Society Group Achievement Award. In April 2019, the EHT team presented the first-ever photograph of the shadow of a black hole. Leiden professor Huib-Jan van de Langevelde has been director of EHT since last year. Three…

Former masterstudent Bio-Pharmaceutical Sciences Maddalena Centanni will be awarded the 2020 Arenberg Coimbra Prize for Erasmus Students. Centanni spent her six month Erasmus exchange at Uppsala Universiy in Sweden where she looked for ways to improve anti-cancer drug dosing.

The effects of sustainability projects on poorer, marginalised people should be considered at a much earlier stage. This is the opinion of Marja Spierenburg, Professor of Anthropology of Sustainable Development and Livelihood, who will give her inaugural lecture on 25 February.

Abeer Abazeed, PhD-student at the Institute of Security and Global Affairs, will defend her thesis on Wednesday april 21st. Four questions about her PhD-research ‘Is it One Nile? Civic engagement and hydropolitics in the Eastern Nile Basin’.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

The origins of Surinamese rice, a digital twin of the Earth and a large big-data project in the Chilean sky: three Leiden scientists receive an ENW-KLEIN grant for innovative, fundamental research.

On 28 December 2019, Dutch newspaper Trouw published an essay by Constant Hijzen, Assistant Professor Intelligence Studies at the Institute of Security and Global Affairs and the Institute for History. In the essay, he discusses two books on a new genre of espionage: the authors provide access into…

On 26 November 1940 Professor Cleveringa held his courageous speech protesting against the dismissal of his Jewish colleague, Professor Meijers. Cleveringa was arrested and the university was closed. Every year the university honours Cleveringa with a chair and meetings throughout the world.

This year on June 8-12, the Annual Convention of the Austrian and Central European Centres was organised in Leiden. At this convention, directors and (PhD) students from all over the world come together to meet, have presentations by the students on their topics of expertise, and to get the know the…

What does Leiden physicist Wolfgang Löffler think about the award of the Nobel Prize for physics to Arthur Ashkin, Gérard Mourou and Donna Strickland?

Latin America matters! With its rich history, culture, its impressive resilience and creative innovation in the face of such a diverse array of challenges, Latin America can indeed show the way forward inspiring for positive change. Working together with Latin American institutions, our researchers…