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.

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.

Social

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

As South Korean president Moon Jae-in prepares to leave office, North Korean leader Kim Jong Un has thanked him for trying to improve relations. Assistant Professor Christopher Green explains in the Calgary Sun what impact North Korea's gesture of goodwill might have.

Gianclaudio Malgieri's paper entitled 'The unfair side of Privacy Enhancing Technologies: addressing the trade-offs between PETs and fairness', coauthored with Alessandra Calvi from Vrije Universiteit Brussel and Dimitris Kotzinos from Paris Cergy University, is set to be presented at this week's prestigious…

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

On 8 March, International Women’s Day, equal opportunities for women worldwide, empowerment, and gender equality take centre stage. This day has been celebrated in the Netherlands since 1912, usually centring around a specific theme. This year’s theme: solidarity, the power for change.

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.

Hundreds of beautiful and timeless photos by Emmy Andriesse, one of the most important Dutch photographers of the twentieth century, are now freely accessible for everyone and can be used for research, education or other purposes. Large parts of Andriesse's oeuvre are already available online via Digital…

The sixteenth Annual Convention of Austria Centers took place in Budapest, Hungary in June 2024. There, colleagues gathered from around the world, coming from Jerusalem, Olomouc, Vienna, Berkeley, Edmonton, Minneapolis, New Orleans, Budapest and, of course, Leiden.

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.

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…

Organisation

Education, Organisation

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…

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.

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…

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…

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

It was meant as a joke for friends and family. A quick snap of him with his bags packed while watching the exit polls of the Dutch general elections. But the photo of our colleague Ilyasse El Boujadayni soon found its way around the entire country and before he knew it, he was being invited by national…

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…

Suzanne van der Pluijm will be appointed Executive Director and Member of the Board of the Faculty of Science with effect from 1 June 2022. She succeeds Ed van den Berg, who has held this position on an interim basis since 1 September 2021 .

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.

The Pandora Papers turned the spotlight on Wopke Hoekstra’s investment in an African safari company via a tax haven. Apparently, there was no tax evasion, but that does not seem to be the whole story. Martijn Nouwen, assistant professor in tax law, explains in Follow the Money how the safari enterprise…

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.

Memorandum of Understanding Signed Between the Child Friendly Justice European Network and Leiden Law School - Child Law Department

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

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.

Graduation Ceremony of the LL.M. Advanced Studies in International Children’s Rights 2023-2024

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.

A week after the kick-off of the Healthy University Let's Walk Week 2021, colleagues together already have made 7276 'ommetjes'. The Let's Walk Week was entirely devoted to getting and staying active for our personal, physical and mental health.

Space is of enormous strategic value. Having rules in space therefore is to everyone’s advantage.

Security

Last Wednesday was the official deadline for students to apply for one of our master’s programmes. Some of our master’s programmes, such as History, organised a last call Q&A for students.

Education

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

Lecture

Lecture, LUCIS What's New?! Series

Research

The war in Ukraine is leading not only to human suffering. Ukraine's cultural heritage is also experiencing the consequences of the war: museums are being bombed and 'Russification' in the occupied territories means children no longer learn Ukrainian. Researcher Evelien Campfens was commissioned by…

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.

Nearly a year since the abrupt switchover to mostly online learning, the Digital Education seminar gave teaching staff the opportunity to review their experiences. What can stay in 2021 and what must go? Frequently voiced opinions: yes please to digital tools that make lectures more interactive; yes…

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…

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.’

How do you achieve the structural change needed for a more inclusive university community? What challenges do female staff face in their careers and what does it take to be a woman in a leadership role? This is what over 40 female staff members from the university discussed on International Women’s…

Since graduating from Leiden Law School with master’s degrees in Jurisprudence & Philosophy of Law and Criminal Law, alumnus Allard Altena now works as a Public Prosecutor at the Dutch Public Prosecution Service. He says, ‘I leave work at the end of each day knowing I’ve done something useful.’