The annual LION Image award goes to the 30 micrometer long 3D printed microboat image that went viral earlier in October 2020, submitted by Rachel Doherty of the Daniela Kraft lab.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

During illness, the stiffness or viscosity of cells can change. Tom Evers demonstrated this by measuring such properties of human immune cells for the first time. ‘The stiffness of certain cells could be a way to make a diagnosis,’ Evers said. He defended his thesis on March 26th.

On 15 January, the winner of the famed LION Image Award will be announced. Submissions ranged from the famous 3d printed microboat to an eerily abstract graph depicting a Majorana fermion.

Astronomers led by Leiden PhD candidate Richelle van Capelleveen have, for the first time, discovered an exoplanet that has carved a bright gap in the protoplanetary disc around its star. This rare observation provides new insights into how young planets shape their surroundings.

Even with state-of-the-art technology, it is almost impossible to see: a cosmic neutrino. Yet scientists have managed to image this particle with a deep-sea telescope. And that could help to better understand our universe. Leiden particle physicists collaborated on this ambitious project, published…

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

Fanny Wonu Veys was appointed Professor of Art and Material Culture of Oceania on 1 August. Time for an introduction.

The Special Issue, edited by Jorrit Rijpma, Melanie Fink, Kristof Gombeer, and Anna Petrig, contains a selection of contributions from the Conference organised by the Europa Institute on the topic of the EU and Maritime Security in October 2018.

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

On Friday 20 September, the Dutch associations for Privacy Law (VPR) and for Privacy Law Attorneys (VPR-A) announced their annual thesis award winner in a ceremony held in the Lorentz Lecture Hall at Leiden Law School. We are very proud that Kimmy Shah and Hannah Appel, recent graduates of the Advanced…

Mayor Peter Heijkoop is busy getting to know his city better. On Monday 7 July, he visited the Faculty of Humanities. ‘A few hours and you can see how important this is.’

The Academic Language Centre is organising an introduction to Ukrainian with the Russian Studies/Russian and Eurasian Studies programmes. This six-part course is meant primarily for people who are in contact with refugees from Ukraine.

Welcome to 2024! I hope this message finds you doing well and reenergised following the holiday season. With that said, I can imagine that many of us are not quite ready to be back in the classroom (either as a student or a lecturer)! The good news is that we have plenty of activities to jump start…

The Winter Week of Digital Skills will take place in the PJ Veth building from 29 January to 2 February. There will be different workshops where you can improve your digital skills, from dealing with AI and ChatGPT to setting up your own podcast. University lecturer Jelena Prokic explains more.

The editorial board of the Leiden Elective Academic Periodical (LEAP) is proud to announce the release of the fourth edition, titled “Subject: Matter”!

On July 3rd the Leiden University Dialogue in Education Network (LUDIEN) has officially been launched. The network welcomes all who are interested in dialogue as a tool for connection and improved student wellbeing in higher education. The dialogue method is moreover useful to talk about sensitive issues…

Research

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

You probably already noticed: work on the next phase of the Gorlaeus Building is in full progress. Are you curious to see what it will look like? Then come to the atrium of the Gorlaeus Building. A temporary 'viewing wall' makes it look as if you are looking into the new part of the building.

An international team of astronomers led by Violeta Gámez Rosas (Leiden University) has observed a supermassive black hole hidden in a ring of dust. This discovery fits the idea that the so-called active centers of galaxies are much more similar than observations show, because the viewing angle from…

Data from 41 million galaxies does not shake up the standard cosmological model after all. To that conclusion, to their own surprise, comes an international team of researchers including Koen Kuijken, professor at the Leiden Observatory.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life. Jasper first wrote his column from Kuala Lumpur, and it was ready to share. Then a crisis arose this week that demanded…

Ten Leiden researchers have been awarded a Veni grant by the Dutch Research Council (NWO). The grant, of up to 280,000 euros, will enable them to elaborate their ideas over a period of three years.

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.'

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

On 28 September the famous chemists Carolyn Bertozzi visited Leiden University to speak at the LED3 seminar. Just one week later, she was announced winner the 2022 Nobel Prize in Chemistry. Leiden chemists Sebastian Pomplun and Hermen Overkleeft are fan: ‘We are extremely honoured to have hosted this…

Vanessa mak knaw

The Rutte IV cabinet will be sworn in soon. A fifth of the prospective ministers and secretaries of state studied in Leiden. Who are they and what did they study?

Leiden University is introducing 15 interfaculty themes to improve its visibility and strategic positioning. These themes can now be found on our website.

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

What actually goes into the development of a massive open online course, a MOOC? University lecturer Tijmen Pronk developed the course 'Introduction to Comparative Linguistics of Indo-European Languages' independently. He talks about his motivation and experiences.

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

Every year the newly arriving Archaeology students are invited to join an introduction day during which they get to know the Faculty and each other. This year, however, for the first time, the students were invited to join in on introductory activities of a less static and more fun nature, organised…

The successful PRINS (PRactising INternational Studies) project offers International Studies students an introduction to the world of practice. In the last semester of their bachelor’s programme, they work as consultants for real-life clients, ranging from Rabobank to Greenpeace. We took a look at the…

On 8, 9 & 10 October Share the LUVE takes place, the graduation show with the work of this year’s graduates of the Cultural Anthropology master Visual Ethnography. In three days 22 films, a graphic novel, artwork and photos will be presented in De Buurt, close to Leiden Central Station. If you don’t…

After 14 years of chairing the Faculty Council, Associate Professor Jan Sleutels is handing over the baton. Student Susan van Grol takes over the chairmanship. Time for an introduction to Susan.

Europe lives! This became clear last Friday when students debated with the French ambassador to the Netherlands, H.E. Luis Vassy, and his German colleague, H.E. Dirk Brengelmann, on a range of topics relating to Franco-German relations and the European Union.

Wopke Hoekstra, outgoing Minister of Foreign Affairs visited Campus The Hague on 6 July to talk to students about the upcoming NATO summit in Vilnius.

Professor Edmund Amann will be the new Professor of Brazilian Studies. A short introduction.

Recently, ICLON welcomed some 75 colleagues from 15 European countries for a meeting on Content and Language Integrated Learning (CLIL) in research and practice. During this week, the focus was on learning, exchanging ideas and developing new tools.

For new managers, the dynamic university environment can be a lot to contend with. A special induction programme comprising an online module, an introduction meeting and peer consultation will help you find your way.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

Leiden Mayor Peter Heijkoop visited the Faculty of Social and Behavioural Sciences and the Faculty of Science on Monday,

Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.

An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…

As of April 1, physicist Dorothea Samtleben is the first female program leader of Nikhef, the National Institute for Subatomic Physics. Samtleben will lead the Neutrino Physics group there. ‘This is an important step for Nikhef when it comes to diversity.’

Using the James Webb Space Telescope, an international team of researchers, including Leiden Professor of Molecular Astrophysics Ewine van Dishoeck, has discovered a palette of hydrocarbons in a planet-forming disc around a young, low-mass star. The results confirm that discs around very lightweight…