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.

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

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…

It is good for a judge to have some empathy with victims and offenders. But too much empathy can be harmful to the practice of the law, as PhD candidate Claudia Bouteligier has found. Literature may offer a solution. PhD defence 18 September.

Prof. dr. Joanne van der Leun is tot september 2025 door het College van Bestuur van de Universiteit Leiden herbenoemd als decaan van de faculteit Rechtsgeleerdheid.

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…

Mathematics can help predict thrombosis. Mathematician Mark Alber has developed models that even aid in suggesting treatments. In the Kloosterman lecture on 27 June, he will explain how this works.

A century ago, the French linguist Ferdinand de Saussure proposed that the relationship between the sound of a word and its meaning is fundamentally arbitrary. In a new study, a team of researchers from European and American research institutions, including Søren Wichmann from Leiden University Centre…

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.

An astonishing twelve students from Leiden University have received a Young Talent Award from the Royal Holland Society of Sciences and Humanities in Haarlem, a record. During the festive ceremony on 25 November, five master students received a Young Talent Graduation Award for their thesis and seven…

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

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.

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…

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…

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 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…

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

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

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 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.

Yliana Rodríguez was in the middle of a second fieldtrip in the Falklands researching Spanish-English language contact, when global lockdown measures were announced. Sit back, relax and enjoy reading about Yliana's research into a unique speech community.

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

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,…

The documentary Einstein’s Light by director Nickolas Barris shows in a dazzling manner what scientific breakthroughs resulted from the special friendship between Albert Einstein and the Leiden physicist Hendrik Antoon Lorentz. The documentary premiered at the Leiden International Film Festival on 2…

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.

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…

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…

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.

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.

On May 18 Janneke Wesseling gave a lecture at the conference

Ever did something for the first time and got an award for it? Sabine Wenzel did. Her research about the surface of zinc oxide won her the Surface Science Young Investigator award.

World War II is never over for those who have lived through it. This is the conclusion of Cleveringa Professor Carol Gluck and her students after reading The Assault (De Aanslag) by Harry Mulisch. The book played a central role in Gluck’s honours course.

The international travelling exhibition Caribbean Ties will open at Museon in The Hague on Saturday 25 May. It tells the untold story of the indigenous peoples of the Caribbean and their lives before, during and after European colonisation. Caribbean Ties will be on show simultaneously in 11 countries…

Elif Naz Kayran and Anna-Lena Nadler have received the European Political Science Review (EPSR) Prize for early career scholars.

The Second World War is a never ending experience for those who lived it. This is what Cleveringa professor Carol Gluck and her students concluded following a critical reading of ‘De Aanslag’ by Harry Mulisch. Mulisch’s novel took centre stage in Gluck’s Honours seminar.

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.’

A permanent job or start your own company? After her studies in English Language and Culture and History, Anna Visser (28) was faced with this exact choice and chose the latter. She started working as a freelance translator. How did this go and how did her studies benefit her?

Excursions to Leiden museums, a flown-in American professor and a collaboration with PhD students from Cambridge: Leiden PhD candidates in early modern art were in luck this summer. An award from the Camino Laurent van Vugt Fund allowed the LUCAS research institute to organise a special summer school…

Obsidian, a volcanic glass-like material, is often used for making tools by Mesoamerican societies. In Honduras, certain obsidian artefacts do not yet have a known provenance. PhD candidate Marie Kolbenstetter and Assistant Professor Dennis Braekmans were awarded a Corrie Bakels Grant to explore thus…

Four researchers from Leiden University have been awarded prestigious Vici grants the Dutch Research Council (NWO) has announced. The honoured applications are from researchers at the Faculty of Social and Behavioural Sciences, Leiden Observatory, the LUMC and the Faculty of Archaeology.

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

The lecture halls in the Lipsius were full of curious secondary school students in January. During a special profile selection afternoon, they were introduced to the faculty and language studies. ‘I had no idea that Hebrew and Arabic were similar.’

When alumnus Jonathan Katzman started his master's programme in Russian and Eurasian Studies, he didn't foresee how useful those skills would be in the near future. Now, he manages a refugee centre for Ukrainians who have fled their war-torn country.

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.

Christina Toenshoff has been awarded the Virginia Walsh Dissertation Award for her PhD dissertation on corporate climate lobbying. The Leiden Political Scientist, according to the jury, ‘makes a significant contribution to the study of climate and business politics.’

Astronomers at Leiden University have discovered the first planets using a new instrument: the planet hunter MASCARA. This instrument, developed at Leiden Observatory, looks specifically for planet transitions around the brightest stars in the sky, which surprisingly enough have so far have hardly been…

Dominique Brommers, Lilly Brouwer, Annemiek Buijze and Kyra van Meijgaarden were granted the Bachelor Speckmann Award for their report ‘Community of Healing: Pentecost Revival Church’ (supervisor: Nienke van der Heide). Alumna Louise Nisbet received the Master Speckmann Award for her thesis ‘‘Alright,…