He had been back from Australia for less than 48 hours, but there was no sign of that. Michel Mandjes of MI had the honor of kicking off the very first Tuesday Talks: Science Insights on Tuesday. He did so with a presentation on complex networks.

Marc Koper, Professor of Catalysis and surface chemistry, has been awarded the EuChemS Gold Medal 2026. The prize is awarded every two years and recognises outstanding achievements in the field of chemistry in Europe.

Most people talk about truck drivers rather than to them. That’s an error of judgement, says PhD candidate Anke van der Hoeven, who explains why we should be making their lives easier. ‘People just don’t realise it, but they’re an invisible group that keeps the European economy running.’

Damien van Puyvelde has received funding (over 47.000 euro) from a new Research Council pilot for his study 'Open-source research and the war in Ukraine: intelligence for the people by the people?' We asked the researcher five questions about this project and the opportunities this creates for him.

The MA International Relations program at Leiden University convened a roundtable forum at Leiden University The Hague Campus to examine the international and domestic stakes of Rodrigo Duterte’s arrest and detention under an International Criminal Court (ICC) warrant.

Imagine scanning lion dung or a mouse dropping and instantly knowing exactly what and how much the animal has eaten. Thanks to new DNA techniques, this is becoming increasingly feasible. PhD student Kevin Groen tested how effective these techniques are at unraveling the diets of wild animals.

Rodrigo Ochigame’s project explores how AI redefines scientific evidence, aiming to help scientists critically navigate these transformations with the Veni grant.

Leiden University's humanities have one of the top places in the Times Higher Education Rankings. This year, we were placed 26th.

Facility, Organisation

On Tuesday 12 January 2021, the annual Meijers prizes and thesis prizes were awarded at the online New Year’s event broadcast from the Old Observatory.

In the 2020 presidential elections, voters in several, mostly southern, electoral districts of the United States saw ‘their’ polling stations closed by the local authorities. In order to cast their vote, they had to travel further or use the mail ballot. Media reports and civil rights activitsts often…

Many students dread writing a thesis. Master’s student Laura Robustella's practice-based thesis shows that it is well worth the effort. She developed an art exhibition based on her master’s thesis.

For first-year bachelor’s students, it is a well-known phenomenon: student mentors. These older students help newcomers on their way in small groups. Due to the Covid-19 pandemic, this year the choice was made to set up a mentor programme for new master's students as well. We talked to three student…

PhD candidate Karen van den Akker has written a children’s book to get young girls excited about technology. The picture book ‘Met mama naar Mars’ tells the story of Luna, who wants to travel to Mars.

Specially for an experiment conducted by Leiden University, public administration experts and water authority officials came together in a laboratory.

Anyone who knows Aris Politopoulos will be aware of his passion for teaching. Almost winning the Leiden University Teaching Award in 2020, he is known for his use of digital tools to improve his classes. Now he has been accepted to the Leiden Teacher’s Academy. ‘Here I can meet people with innovative…

Alumnus Nick Hortensius started volunteering at the Leiden International Film Festival (LIFF) in his student days. He has since grown with the festival to become head of programming. How does he look back on his student days? And what can we expect from the festival this year?

Talking about suicide is important, but anything but comfortable. To make this difficult subject easier for students and staff to discuss, the university is organising a campaign week in line with the national campaign ‘1K Z1E J3’ (I see you) being run by Stichting 113 Zelfmoordpreventie (113 is the…

When Professor of Tax Law Jan Vleggeert delivered his inaugural lecture in Leiden University’s Academy Building on 30 October 2020, only 30 people were allowed to attend due to coronavirus measures. On 10 June 2022, Vleggeert was therefore given the opportunity to deliver a lecture to a much larger…

As assessor, Roel Kwast represents the student voice on the Faculty Board. He supports students at our faculty in many different ways. In this interview, he explains how he fulfils this role.

Sarah Cramsey's first book, Uprooting the Diaspora: Jewish Belonging and the "Ethnic Revolution" in Poland and Czechoslovakia, 1936-1946, has won the 2024 Kulczycki Book Prize in Polish Studies.

In an article for The Conversation, University Lecturer Andrew Gawthorpe comments on the recent elections in the United States and what they mean for President Donald Trump’s position.

Professor Eric Storm was recently reviewed in the Indonesian newspaper Merdika, which praised his innovative approach to historical analysis and his relevance in today’s global discourse.

The number of books by U.S. authors released in China has drastically decreased in recent years. Assistant professor Svetlana Kharchenkova wrote an article about this for the Diplomat.

University lecturer Andrew Gawthorpe comments in an article on the Conversation on Trump’s attack on Iran.

Professor Nadine Akkerman participated in the third episode of BBC 3’s documentary Metamorphoses, which focuses on the Elizabethan playwright Christopher Marlowe.

What reduces the likelihood of children being taken into care? Anouk Goemans calls for data-driven systems, alongside attention to the stories behind the numbers.

Leiden University’s digital study environment is being expanded to include the Leiden student portal: a single place where as a student you can find all the information you need to organise your studies.

LUMC Curium and the Dutch National Youth Council (NJR) have been working on integrating young people’s lived experiences of mental health problems in medical research and training. The aim is to broaden doctors' and researchers’ perspectives and improve the care offered.

For three years, Wouter Schuit enjoyed studying Technology, Policy and Management at Delft University of Technology - only to switch to a master's in Philosophy in Leiden after his bachelor's. 'In both, you learn to tackle a problem in a structured way.'

Over the course of eight weeks, twelve law students spent several days at the various sectors of the Court of The Hague where they learned all about the work of judges, judicial assistants and legal advisers. At the final session on 10 March, they shared their experiences.

De Verbranders, a podcast produced by PhD candidates Neske Baerwaldt (FdR/VVI) and Wiebe Ruijtenberg (FSW/CAOS), is online! You can now listen to the first episode on Soundcloud, Spotify, and Apple Podcasts. Episodes of the podcast will be introduced in various courses this year.

According to Nivja de Jong, second language acquisition is 'the most fascinating subject in linguistics'. As a recently appointed professor of Second Language Acquisition and Pedagogy, she studies the question of how best to teach people a new language.

She did not win, but was very happy with her nomination for the Leiden University Thesis Prize. Mara Seisselberg was nominated with her thesis 'The relationship between experiencing a recession during the formative years of an individual's early adulthood and their long-term sentiments towards the EU'.…

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.

The Washington Post reviews Nationalism by university lecturer Eric Storm. In this book, Storm explores how nation-states became the dominant political organizational form.

University Lecturer in History and International Studies Andrew Gawthorpe discusses on The Conversation the newly signed US-Ukraine economic partnership agreement.

Alex Colling himself calls his bachelor's thesis ‘the highlight of his time in Leiden’. And according to his supervisors, that resulted in an outstanding thesis, with great attention to detail. The Mathematics and Physics student worked on a mathematical description of monopoles: hypothetical particles…

In his art, Rafael Martig shows how drastically human activity changes nature. Fieldwork during his studies reinforced this view. ‘On Ameland I found masses of meadow birds, but the greenery on the mainland was often a grass desert.

‘Let us not forget the power of genuine engagement,’ dean Sarah de Rijcke stressed at the New Year's Reception on 7 January 2025, which was also attended by Rector Magnificus Hester Bijl and addressed the Faculty of Social Sciences.

Using biomethane to produce ammonia, a crucial chemical in agriculture, could drastically reduce the climate impact of the process. In a study published in One Earth, researcher Robert Istrate shows it’s even possible to make ammonia production net-zero or carbon negative.

An article in Leiden University’s Mare newspaper on 24 September states that the University Council advised against reappointing President of the Executive Board Annetje Ottow. The Board of Governors, deans and Annetje Ottow respond below.

After working full-time for twenty-four years, Wendy Tonks decided to enrol in the executive master's in Cyber Security. She now proudly reflects on her time in the programme after receiving a ten for her thesis and graduating summa cum laude. ‘I could not believe it when I got my grade.’

On Wednesday 5 November, Jasper sets off on the annual study trip for the Board of Deans together with the Executive Board. Because of budget cuts, they’re staying a bit closer to home this year. But that doesn’t make the trip any less enjoyable — as you’ll read in this column.

The University Council meeting on 2 June was largely dominated by the demonstration, occupation and policing in The Hague last month.

The Master's programme in History at Leiden University is set to change. From September 2026, three of the five specialisations will be replaced by new subjects that are more closely aligned with the field of research and students’ interests. One of these new specialisations will also be taught entirely…

Making friends in a new city can be difficult, which is why the Humanities PopCorner has created the Buddy Programme. The idea is to give international master's students a helping hand in building a social network. Project coordinator Manal Daddah updates us.

Using 2D materials, physics student Romme van der Kemp developed a nanochip that is extremely small ánd scalable. This is needed to make all kinds of technologies better, faster and smaller. He has been nominated for the FWN Young Talent Award 2023 for his research.