Each year it is estimated that thousands of people fall victim to human trafficking in the Netherlands. Many of these victims are minors. Assistant Professor of Criminal Law Luuk Esser conducted research on the current legislation to combat human trafficking. His PhD defence is on 25 September.

FFashion, particularly fast fashion, is a major contributor to plastic pollution in the form of microplastic fibres. The 80-year-old Martindale test for interior textiles could be part of the solution.

Rotterdam is one of the cities participating to the Edible Cities Network (EdiCitiNet), an international cooperation of municipalities that aim to increase the ‘edibility’ of urban spaces. In this blog, Vincent will describe his experiences at one of their recent workshops.

A new collaborative monograph of democratic theory, The Sciences of the Democracies, was released by UCL Press on August 7. The book, in the style of a democratic manifesto, is written by a large number of co-authors in a bold attempt to expand and deepen how democracy is studied and understood. Among…

Prof. Eric De Brabandere was recently appointed as Chair of International Dispute Settlement Law at the Grotius Centre for International Legal Studies. Eric De Brabandere works at the new Wijnhaven building at Campus The Hague. The creation of a new chair, and its location places international dispute…

Ratna Saptari is since 2007 Assistant Professor at the Institute of Cultural Anthropology and Development Sociology. She has always been involved with issues of human rights and Indonesian workers' rights. This August she retired. But she won't sit still. She continues her voluntary work and wants to…

Academic studies or an academic career are a big challenge if you are deaf. Particularly in Africa, where many countries don’t even have secondary schools for the deaf. A team of Leiden academics has organised the first summer school for and by deaf academics on the African continent, in Ghana. We spoke…

At the project closure on February 29, 2024.

Now that war is once again raging in Europe, the question of when you need to stand up against injustice has become more relevant than ever. In his Cleveringa lecture on 24 November historian Gert Oostindie will discuss why colonial domination was not regarded as an issue in Leiden for a long time.

In late May 2019, the Food citizens? team traveled to Poland for a project meeting and team outing. This was made possible by the European Research Council’s support and facilitated networks and knowledge-generation.

How to deal with the most challenging design question of your life: what do I want to be when I grow up? The ‘Designing Your Life’ method teaches students how to craft their own future. The project will start next academic year, thanks to a Comenius grant. ‘Everyone interested should be able to borrow…

How do parents communicate anxiety to their child via body language and words? Psychologist Cosima Nimphy studied this question for her PhD research. Experiments show that children of anxious parents are not more sensitive to their parents’ signs of anxiety.

Arianna Pranger has lost her heart to teaching. A senior lecturer on the master’s programme in Pharmacy, she won the LUS Teaching Prize 2020. The programme trains students to be pharmacists.

On Tuesday 30 September 2025, PhD candidate Kathleen Brown will defend her dissertation 'Deception, Risk, and Evasion: The Politics of Sovereign Debt in Emerging Markets' in Leiden’s Academy Building. Her research sheds light on the hidden world of sovereign debt politics, revealing how governments…

The Dutch government has come up with a package of financial support to help businesses and the self-employed make it through the corona crisis. Economist Wimar Bolhuis sees it as a clear signal that the government is prepared to bear the brunt of the economic blow. ‘For the time being it has sufficient…

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

The ‘Contagious!’ exhibition was set to open at Rijksmuseum Boerhaave in April but had to be postponed because of the corona crisis. The museum hasn’t been twiddling its thumbs in the meantime. The exhibition will now open on 16 July, and the corona crisis has a major role.

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

Janna Marie Bas-Hoogendam, Stefanie Meeuwis, and Eliška Procházková have all been awarded a share of the Aspasia diversity grant obtained by Mariska Kret. These three promising young psychologists will each receive 10,000 euros as a stepping stone towards a career in science. This gives them three months…

Can we truly assess whether someone finds us attractive? Cognitive psychologist Iliana Samara conducted her PhD project on romantic attraction and discovered that men, in particular, tend to overestimate the interest of their date. She explains why this may be.

The Dutch universities as a whole are lobbying for a 'normal' academic year from the end of August, where on-campus teaching will be possible. It's a view that Leiden University shares. Rector Hester Bijl talks about what teaching will be like then. She also looks back on a year of lockdown.

Islam can be a difficult or sensitive subject to discuss with pupils, regardless whether they are Muslim. Fourteen secondary-school teachers and university lecturers went on a fact-finding trip to Morocco accompanied by experts from NIMAR (the Netherlands Institute in Morocco). What did they learn from…

What is the influence of non-hereditary factors on our health, such as lifestyle, diet and exposure to harmful substances? The Exposome-Scan project, led by Leiden professor Thomas Hankemeier, has been awarded 3.2 million euros from the NWO Investment Grant Large programme to answer this question. With…

How can we speed up the transition from large cities to a circular metropolis? This is the question that Leiden students and former students Elsemieke, Fabian and Eveline are getting their teeth into. They and seventeen other young academics are taking part in the National ThinkTank and they have four…

‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…

Conducting experiments next to the huge speakers of the Alpha Stage at Lowlands. This was reality for researchers Max van Duijn and Tessa Verhoef, and they were loving it. 'Yesterday evening we were completely covered in mud.'

What do I do if Mum or Dad gets the virus? Could the slide at the playground have coronavirus on it? Can children die of the virus too? On 15 April, the National Science Agenda organised an hour-long session on Facebook to give children the chance to ask their questions about coronavirus. Leiden psychologist…

Each year, the Netherlands Institute of Governance (NIG) invites PhD students from Public Administration departments at universities in the Netherlands and Flanders to nominate their supervisor(s) for the NIG Supervisor of the Year Award, to celebrate and recognize excellent PhD supervision. This year,…

It is exactly one year ago that the university had to close, bang in the middle of the academic year. Suddenly, on that third Monday in March, we found ourselves at home, working and studying online – many of us from that cramped attic or student room. The momentous coronavirus year in pictures.

The Battle of Heiligerlee, on 23 May 450 years ago, is famous as an epic battle in Dutch history. But was it really so momentous? Professor of Early Modern History Judith Pollmann unravels the myths about ‘Heiligerlee’ and the Eighty Years' War.

Festival

Lecture

Debate

Lecture

Lecture, European Union Seminar

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

Cosmopolis seeks to explore the transnational and cultural dimensions of intra-Eurasian encounters through Dutch sources.

This research project is funded by a subsidy from Instituut Gak.

Lecture, Studium Generale

Exhibition

Lecture, European Union Seminar

Arts and culture, Studium Generale

Course

Course