Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

Author and political scientist Mounir Samuel has spent recent years delving into the many ways that language can exclude people and bring them together.

In bankruptcies, proceeds are often too low to pay the trustees and fraud often occurs. This lack of resources means that fraudsters can get off scot-free, according to research by Leiden University and SEO Economic Research.

On 22 January, Annemarie Madani-Abbing will defend her dissertation 'Art therapy and anxiety' regarding her research into the effectiveness of anthroposophic art therapy in treating anxiety in women. We asked her about her research and what it was like to combine a job outside academia with studying…

For the first time, we’re seeing what Euclid sees. The telescope’s initial observations have provided a wealth of new information about our universe. But according to cosmologist Alessandra Silvestri, this is just the beginning. The research helps us gain a deeper understanding of the past, present,…

Theoretical research does not always give us the right solution to a problem in society. This message, loud and clear, is delivered during the final presentations of the Master Honours Class 'Social Innovation in Action'.

To underline the urgency: Our faculty faces a significant financial challenge. With a structural reduction of €5 to €6 million in annual income, dark clouds are gathering on the horizon. Added to this are the uncertain consequences of budget cuts from The Hague, including the Balanced Internationalisation…

Since mid-March, residents of Groningen have had access to a single digital portal for reporting damage to property arising from local gas extraction. Why is the Groningen gas issue such a complex problem and why is compensation taking so long? Psychologist Emma ter Mors and public administration specialist…

The rule of law is crumbling in the Netherlands, lawyer Lilian Gonçalves-Ho Kang You warned in her Cleveringa Lecture.

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

All over Europe you will find ethnographic museums with large collections of indigenous objects from Latin America. These collections shaped the image of native populations in the European mind. An ERC Starting Grant allows Dr Martin Berger to look at the bigger picture, contextualizing individual collections…

The 4th Latin America and the Caribbean (LAC) meeting was held at the Faculty of Archaeology on 20 November. Ambassadors and representatives from countries in Latin America and the Caribbean region met with the Leiden LAC region group to strengthen academic cooperation and discuss the internationalisation…

Global Ethnography alumna Elleke Schreur has won the FSW Thesis Prize 2024 and has also been nominated for the University's Thesis Prize 2024. As part of the master's programme in Cultural Anthropology and Development Sociology, Elleke's research explores how the experiences of homeless people differ…

Sending migrants back. Open borders. These are the kinds of words that are used, but what does the situation really look like at these borders? Professor of Law and Society Maartje van der Woude, an expert in crimmigration, is researching precisely this.

Food security touches upon human rights, international law and sustainable development. These frameworks are not separate worlds but deeply interconnected; something that becomes painfully clear in times of climate crisis, armed conflict and inequality.

Assistant Professor Anna Dlabacova has been awarded a Starting Grant by the European Research Council. She will use this grant of around 1.5 million euros to conduct research on the Dutch vernacular ‘book of hours’.

How are supermassive black holes born? That is the question astronomer Elena Maria Rossi is trying to answer. But how do you investigate something you cannot see?

‘Very interesting’ is what two bachelor students have to say about the stories by Liesbeth van Vliet and Niki Antypa during the Psychology Science Day. The icing on the cake were the poster presentations about the bachelor's theses, admired and commented on by scientists and fellow students. Teachers…

The European Research Council (ERC) announced the awarding of 494 Starting Grants to young scientists across Europe. One of these scholars is Corinna Jentzsch, Assistant Professor of International Relations at the Institute of Political Science. She received this grant for her research project ‘Countering…

This year marks the 450th anniversary of the Capture of Brielle by the Watergeuzen (lit. ‘Sea Beggars’) and therefore the birth of the Netherlands. Student Johan Visser is contributing to no fewer than three books about the extraordinary year of 1572.

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

The Lorentz Center is a melting pot that is visited by researchers from around the world. ‘Miracles happen’ during the five-day interactive workshops at the Center. And there is an extra reason to celebrate the center’s 25th anniversary. On 28 April, the Dutch Research Council (NWO) and Leiden University…

Effectively treating a severe case of pneumonia is often challenging. Identifying the pathogen behind it can be difficult. PhD candidate Ilona den Hartog tried something new: ‘We searched for answers in substances our own body produces.’ PhD defence on 17 September.

The sand on European beaches may look pristine, but in every kilogram of sand there are on average 250 microplastics: fragments smaller than 5mm. These results are part of a study from Leiden researchers with the help of beach-goers throughout Europe.

Deep observations made with the MUSE spectrograph on ESO’s Very Large Telescope have uncovered vast cosmic reservoirs of atomic hydrogen surrounding distant galaxies. The exquisite sensitivity of MUSE allowed for direct observations of dim clouds of hydrogen glowing with Lyman-alpha emission in the…

To better prepare students for lab sessions, a team from the BSc-programme Bio-Pharmaceutical Sciences (BFW) creates interactive videos. These videos use humour and examples to show students basic skills and commonly used procedures. 'We want to make education more efficient and fun.'

COVID-19 has shaken the world. 170 academics of eight different Dutch universities believe the time is right for a positive and meaningful vision. They signed a manifesto with a list of five policy proposals for a post-COVID 19 development model to cope with this pandemic and other social and environmental…

One of the baffling aspects of international power politics is the unexpectedly major influence exercised by particular small states. Professor of International Studies and Global History Isabelle Duijvesteijn discovered that peace missions and development aid help generate power. Inaugural lecture…

Astronomer Ignas Snellen studies exoplanets using telescope observations. But how is that possible when all the big telescopes are more or less at a standstill? Luckily, he has contact from home with a robot telescope in Mexico and his WIFI is finally working well.

The first year cohort of Leiden University College The Hague recently under took a local lesson which saw them collect 10200 pieces of plastic from their local communities. Of the total collected, 52% was plastic.

Wim Voermans, Professor of Constitutional and Administrative law, travelled to São Paolo, Brasilia and Rio de Janeiro from 14 to 18 March with a delegation from Leiden University with the aim of strengthening ties with Brazil. During the visit agreements were made on future academic collaboration and…

What better way is there for an alderman to find out where best to put his efforts than to pay a working visit to the university? Hilbert Bredemeijer, Alderman in The Hague for Education, Sport and the Outdoor Space, paid a visit to Campus The Hague on Wednesday 6 October 2021.

Almost a thousand students started HOPweek in The Hague on Monday morning. During this introduction week students get to know the city, the university and each other.

On 10 December, the Intelligence and Security Research Group of ISGA had the honour of hosting Vice Admiral Peter Reesink for the inaugural Arthur Docters van Leeuwen Lecture.

As early as 2030, batteries in electric vehicles could fully meet the need for short-term electricity storage around the world. By connecting them to the power grid they can provide their stored energy, improving energy security and enabling renewable technologies in cleaning the grid.

A month ago it was Marc Baggelaar, and now Hans Kistemaker too has obtained his PhD cum laude at the Leiden Institute for Chemistry (LIC). ‘He has made ground-breaking contributions to the world of protein modification,’ says PhD supervisor Gijs van der Marel. Kistemaker obtained his PhD on 11 May…

Finding solutions to the Israeli-Palestinian conflict is the not-inconsiderable task of the new Peace Academy in The Hague. Professor Maurits Berger and twelve students from different conflict zones are starting a creative thinking process that aims to discover the basic conditions for peace in the…

Professor Remco Breuker plays the leading role in the new documentary ‘Big in Korea’. Over three Sunday evenings, viewers can follow his journey through South Korea. How has the country developed over the past decades? And what is the impact of last December's failed coup?

What do you do when you’re suddenly given access to a whole lot of data but don’t know how to organise and analyse it? Maritime historians in the Faculty of Humanities joined forces with vocational college (MBO) students to build a database. ‘We’re so compatible with each other.’

On 18 January 2025, the Annual Reconnect & Gala of the Advanced MSc International Relations and Diplomacy (MIRD) celebrated over 20 years of bringing together current MIRD students, alumni, and faculty members. This year’s discussions focused on the theme: 'The Future of IR: Digital Innovation, Climate…

Alisa van de Haar is one of three humanities scholars to win a KNAW Early Career Award this year. The university lecturer of Ancient French Literature is receiving the award for her innovative research on multilingualism and migration. 'It would be nice to use this to set up a project with students.…

For six months, Rachel and Daan, students of Italian language and culture, are studying in Rome on an Erasmus scholarship. Below they talk about their experiences.

Many students see themselves working at an NGO in Brussels after graduation. Alumnus Calum Thomson (26) is doing just that. In 2021 Calum started working at the Eastern Partnership Civil Society Forum (EaP CSF): a platform aimed at promoting European integration, facilitating reforms and democratic…

3 October University has become something of a tradition: a bit of science among the Leidens Ontzet celebrations. During the new and improved edition, the WetenschapsWarenMarkt (Science Market), visitors spoke to researchers about the nitrogen problem, making organs and the city’s connections with A…

Maxine David is a lecturer in European Politics in the Institute for History and is a busy bee when it comes to teaching. When countries started locking down due to the corona virus, she was in the United States. After some difficulty getting a flight back to her home country, the United Kingdom, she…

When you think of political philosophy, you think of Immanuel Kant, Georg Hegel and Johann Fichte. Both philosophers are considered great representatives of German idealism. University lecturer in Continental Philosophy Marie Louise Krogh has received a Veni subsidy to delve deeper into the German idealists…

A team of researchers has managed to recreate the most natural skin cream in existence. Using the DUBBLE beamline (Dutch Belgian Beamline) at the European Synchrotron Radiation produced on the basis of the information identified, has the same properties as vernix caseosa. This cream may have a therapeutic…

As of 1 September 2024, Thed van Leeuwen is professor by special appointment of the chair “Monitoring Open Science Policies and Practices” at the Centre for Science and Technology Studies (CWTS) at Leiden University. The mission of the chair will be to understand the changes in policies and practices…

Dutch researchers are joining forces to conduct research together with a series of societal partners to keep the biological clock healthy in our modern 24-hour society. The BioClock consortium will receive a research grant of no less than 9.7 million euros for this. It is one of the projects that receive…

At the annual research day (‘toogdag’) of the research programme Effective Protection of Fundamental Rights in a Pluralist World (EPFR), researchers reflected on the growing threats scholars face due to political repression, conflict or displacement, and how to protect them.