Countries that import plastic waste recycle an average of at least 63 percent of it. This is surprising, as we previously believed that the vast majority was incinerated or ended up as litter. This was discovered by PhD candidate Kai Li and his colleagues from the Institute of Environmental Sciences in…

Lecture, Unfolding Finitudes

Symposium

Film screening

Leiden University is announcing its approach for sensitive collaboration with external partners. This has been prompted by the ongoing, troubling situation in the Middle East and the recent advice from the Committee on Human Rights and Conflict Areas regarding current collaboration with Israeli part…

Just Peace Festival

Alumni event, Lezing

Lecture, Leiden Yemeni Studies Lecture Series

Conference, Workshop

Symposium

Lecture

Lecture

Lecture

Arts and leisure, Arts and leisure

Arts and leisure, Arts and leisure

Middle East Studies Lecture

Lecture, LUCIS What's New?! Series

Symposium

Career and apply for jobs

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

After 2.5 years as defence minister, it is time for Kajsa Ollongen to hand over the baton. In front of a packed audience, she gave her farewell speech at Leiden University in The Hague on Tuesday, which included personal lessons and memories, from sleeping on the ground with the prime minister to the…

Europe’s security suddenly looks uncertain now President Trump has started negotiations with Putin. What does this mean for the Netherlands? What do we need to do?

Leiden students are producing ‘College Tour, the podcast!’ with TV presenter Twan Huys. In next to no time, they have to find top journalists and prepare hard-hitting interviews. We take a look behind the scenes.

Should we cut our ties with Israel or maintain them? The event ‘A university conversation on Israel/Palestine’ on 1 July revealed the depth of feeling about the conflict, with students and staff grappling with academic values and moral dilemmas.

During the spring of 2021, a group of eight biology students from Leiden set out into the dunes in search of amphibians. Using DNA, they determined the geographic origin of the animals. And guess what? In many cases they discovered exotic populations of animals that do not naturally belong in The Netherlands.…

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

A number of young researchers recently took part in a knowledge mission to Indonesia, aiming to build a lasting relationship with the country. How did they find the trip, what did they do, and how are they creating new connections with scientists in Indonesia?

A safe place to discuss burning social issues such as racism with each other. The student workspace Space to Talk About Race and the Afro Student Association both meet this need and also organise many other activities. Three board members explain why this is necessary.

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Jennifer Swerida, originally from the United States, will strengthen the Faculty’s expertise on the archaeology of West Asia. ‘I explore human-environment relationships inside an ancient oasis and the surrounding land. Previous…

How does a Leiden alumnus end up working at the New York Metropolitan Museum of Art (The Met)? In the case of Daniëlle Kisluk-Grosheide, it was partly down to chance, luck, fate. But that was preceded by a unique degree in decorative arts in Leiden.

The war between Russia and Ukraine, the conflict in Gaza or the global rise of the far-right: topics that stir up emotions but are also regularly discussed in classes at Political Science. Moreover, with a diverse group of students, there is a great diversity of life experiences, backgrounds and opinions.…

Three new minors at the intersection of security and resilience will launch in September 2026 at the Faculty of Governance and Global Affairs. A distinctive feature is that all three combine academic coursework with a practical placement in the field, within defence, the police, or emergency service…

The Master of Laws: Advanced Studies in International Children’s Rights (LL.M.) was launched in 2015 to equip a generation of professionals to protect the rights of children worldwide. As the programme celebrates its 10th anniversary, we reflect on its impact.

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.

Internationalisation is an important pillar of the Strategic Plan of Leiden University and Leiden Law School. The driving force behind internationalisation at our faculty is the Office for International Education (known as BIO). The Head of BIO is Anette van Sandwijk. Now the current political climate…

‘Teaching is not merely a profession; it’s a calling.’ These were the words of Ayo Adedokun on winning the LUS Teaching Prize at the opening of the academic year on 6 September. The prize is for the best lecturer of the year.

Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…

Almost three years after receiving her honorary doctorate, Dr Graça Machel returned to Leiden University. Over the course of two days she spoke with students, researchers, and other interested persons, about human rights – particularly those of women and children – in a world in which these are continually…

An international research team is to search for invisible life in the Galápagos Islands. The diversity of bacteria and other microscopic organisms may not be evident to the naked eye, but it is essential to nature. To the islands' giant daisies, for instance: unique endemic plants that are currently…

Working towards a more inclusive and diverse society, next to your studies. Humanities students Aline-Priscillia Messi and Ruşen Koç devote a considerable amount of hours to this every week. Now they have been nominated for an ECHO Award.

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

NATO not only safeguards our security and stability, but also defends Enlightenment principles, promoting prosperity, health and freedom. This is what eminent psychologist and thinker Steven Pinker argued to a packed Great Auditorium.

After two years of corona restrictions, it was ‘back to normal’ in 2022. Migration, elections, the history of slavery, Russia, and Ukraine were much-discussed topics. We compiled an overview of the most-read news items and other events of the past year.

It was his thesis supervisor during his master's in Film and Photographic Studies who encouraged Shivan Shazad to pursue a second master's in diversity policy at Ghent. He is now Manager of Diversity and Inclusion at the Rijksmuseum in Amsterdam.

In the spring of 2024 the Faculty of Archaeology welcomed a new postdoc. Dr Adam Benfer, originally from the United States, occupies a double position as a researcher in the project of Alex Geurds and as the Faculty’s Data Steward. ‘It is pretty much what the title says: I steward data. Essentially,…

After ten years and one day, Leiden Observatory has a new director. As of 1 September, Ignas Snellen will set the course for the astronomical institute. In this interview, you will get to know Ignas. Or at least a little. That is why we gave him five dilemmas and asked the people around him who he really…