How can we ensure that we act climate-proof and climate-neutral? We asked climate and earth scientist and lecturer at the Climate Change course Joeri Reinders.

After hard work in the lab, Chemist Tirong Guo has developed a group of materials that provide a stable and efficient foundation for artificial photosynthesis. Will this enable the large-scale production of hydrogen and other useful compounds in the most sustainable way possible? Guo will defend her…

In her teaching, University Lecturer of Ancient History Liesbeth Claes uses various digital tools. Using that experience and interest she started an innovation project in order to research which digital skills history alumni need on the labour market and how these skills can be implemented in the cu…

Read the latest column from the Faculty Board here, with an update on the faculty's current situation and our next steps.

Natalia Sobrino-Saeb, third-year student at Leiden University College The Hague, won the challenge by the Ignitor Fellowship Program held by the Nobel Peace Center for her essay on the threats to journalism in Mexico. On December 10th Natalia met the Committee of the Ignitor Fellowship in Oslo and attended…

On March 25, the Advanced Masters of Science in International Relations and Diplomacy (MIRD) celebrated the 20th Anniversary of the programme. The celebrations began with the Reconnect event, bringing current students and alumni together, and concluded with the MIRD Gala. Throughout the day, the tight-knit…

The whole world is waiting anxiously for sufficient supplies of coronavirus vaccines. As Launch Navigator at Pfizer, alumnus Dennis de Mik must help ensure that the Netherlands receives 19.8 million doses of the Pfizer/BioNTech vaccine. How is he going about this and how has his Bio-Pharmaceutical Sciences…

Challenge yourself, broaden your horizon and meet people from different background. Curious if the Honours College is right for you? Rebecca and Pepijn from the track 'Bèta and Life Science' share their doubts, experiences, and what they find so appealing about the programme. Rebecca: ‘I enjoyed one…

Lecture, Studium Generale

Since September, Victor van der Horst is a member of the Faculty Council. Well, not just a member; he is the Chairman! In addition, this master's student in Mathematics also devotes himself to our Faculty in many other ways. 'I'm convinced we need input from all layers to keep improving our Faculty.'…

Marlien van Mever delved into the analysis of tiny samples, cerebrospinal fluid from transgenic mouse models for example. She validated methods that can now be used to study brain diseases such as migraine and epilepsy. Van Mever will receive her PhD on 14 June.

Leiden University is under fire: it is allegedly doing too little to tackle antisemitism. Rector Hester Bijl responds to this accusation and to a video from 2014 on social media in which extreme remarks are made. ‘We can be short about such comments: they are unacceptable. The university is and always…

At one time, the railway from Kimberley to Kambove in Southern Africa symbolised prosperity and progress. Today, the exhausted mining towns along its route are marked by decay and pollution. Professor Jan-Bart Gewald has been awarded an NWO L grant to investigate the long-term global consequences.

When assistant professor Jiyan Ilbrink isn't working at the university, she can be found in her vegetable garden. On the plot of land around the corner from her home, she grows the most delicious tomatoes, zucchini, and potatoes.

Gert Renkema vertelt ons meer over het proces en de gang van zaken rondom de financiën van FGGA.

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.'

Niels Broekman did an internship at the Ministry of Agriculture, Nature and Food Quality, where he worked on, among other things, biodiversity advocacy. After his internship, he decided to go in a different direction: ‘An internship can be very enlightening in helping you figure out where your interests…

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

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.

In a five day workshop, the interdisciplinary Leiden Biodiversity Network, together with societal stakeholders, worked on a research agenda and drafted an action plan to improve human-biodiversity relationships. Researcher Kat Stewart co-organized the workshop and shares some results.

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…

Bart Barendregt receives a Vici grant of 1.5 million euros from the NWO for his research project 'One between the Zeros, an Anthropology of Artificial Intelligence in Islam'.

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

Three Leiden professors have recently been awarded the most prestigious scientific accolade in the Netherlands: Maria Yazdanbakhsh and Marc Koper have been awarded a Spinoza Prize and Judi Mesman a Stevin Prize. They received their prizes on 13 October.

It’s Cybersecurity Awareness Month, and we’re spotlighting the importance of digital safety in the workplace. Our Chief Information Security Officer, Sylvia Bunte-Thelen, shares how staff can help keep our university a safe place to work and study. ‘We need to work together to protect our knowledge.…

Work might not always be enjoyable, but what if just a glance at the to-do list brings on a sense of dread? To initiate the conversation about this, the sixth Psychology Connected focused on work pressure and workplace enjoyment, offering tips rooted in positive psychology.

Anne Veens is on a mission. She wants secondary school students to get acquainted with anthropology, and think about the value it can have in the development and implementation of policy. To achieve this, she has developed a teaching package. Last July, she successfully ran the first pilot. 'Most pupils…

Leiden University has secured an impressive 12 European exchange grants. This is good news for students, lecturers and researchers from home and abroad.

Running, walking or horseback riding: colleagues from the Health, Medical and Neuropsychology unit are each working up a sweat this month to raise money for research on Multiple Sclerosis. How much have they collected so far?

After a turbulent Covid year, the well-being of our students and staff has the highest priority. How can we prevent physical and mental health problems? This was the key question at the Opening of the Academic Year in Pieterskerk in Leiden on 6 September.

The rise of authoritarianism, the strengthening of the radical right, and the role of the EU in defending democracy—these are just a few of the issues causing concern today. Is the EU capable of defending democratic values within the Union and beyond its borders? In an interview from the Lithuanian…

Lecture, Leiden Yemeni Studies Lecture Series

Discovering while still studying whether work in science might be for you. That is what students get during the faculty Research Traineeship Programme. On Friday 1 September, they presented their results to each other and their supervisors.

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

As well as offering students a first-rate education, Leiden University provides a wide range of training for professionals, so they can be lifelong learners. And that is not just of value to participants. ‘As a university, you start a dialogue with society to achieve better knowledge together.’

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

After months of preparation, the moment of truth had arrived: would the skies above Leiden clear for the promised glitzy planet-and-star show? The people of Leiden turned out in their hundreds to go star-hunting on 25 September. They became more aware than ever of the effects of light pollution.

Getting out and exercising rather than slobbing on the sofa, breathing in fresh air instead of cigarette smoke and grabbing healthy snacks instead of junk food. In a new interdisciplinary Medical Delta programme, researchers are going to investigate how to help people live healthier lives. What are…

On Things That Talk, a website founded and developed by Fresco Sam-Sin, students and researchers describe objects from today and from long ago. By now, more than a hundred objects have been covered. Willemijn Waal, Emma Verweij and Frank van den Boom contributed to the content.

For the International Day of Women and Girls in Science, women students and researchers from physics talk about what inspires them about their work. From quantum to cosmology and biophysics, their curiosity about how nature works is what connects these women. What do these 5 scientists want to share…

Studying as an asylum seeker without a residence permit. Every year, student initiative IncLUsion enables dozens of asylum seekers to take several courses at Leiden University. ‘Education has given me a lot of support.’

There’s a change of staff at ACPA. The institute is bidding farewell to Professor Janneke Wesseling and welcomes Anke Haarmann, who is not only a new professor, but will also take over Wesseling's responsibilities as Director of PhD Arts. In this interview we look back and ahead with them.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

2025 was a year full of impact and milestones for FGGA: From a record number of graduates and new programmes to international collaborations, prestigious awards and research that pushes boundaries and provides insight into current challenges.

PhD defence

You can make some astounding images using just a box with a hole. Inspired by the celebration of Leiden as the European City of Science, Professor Matthew Kenworthy left several pinhole cameras across the Observatory over the course of 2021. This is how the simplest devices may uncover the greatest…

Cybersecurity doesn’t start with your first job – it starts with your first phone. According to Sofian Fesenko, a student of Crisis and Security Management (CSM), digital resilience needs to be built from a young age. That’s why he developed an educational card game to raise children’s awareness of…

At a time when the climate crisis demands global action, Leiden University College’s (LUC) research project REFloC (Resilient Ecosystems and Flourishing Communities) in Ghana is choosing a different path: listening closely.