The dark matter of biology: clumps of sugar molecules that, for example, form sugary webs around pathogens. We know very little about them. Wouter Remmerswaal threw all his talent into the challenge – both in the lab and as a modeller – and succeeded. He received his PhD on 12th September.

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.

Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…

The Surinamese-Dutch language, Parbo Beer and, of course, football. The ‘Dear Aunt Olga’ (‘Lieve tante Olga’) exhibition focuses on the shared Surinamese-Dutch culture. Full of cheer and with life experience to spare, ‘icon’ Aunt Olga (95) leads visitors through a shared history and does not shy away…

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.

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

It was not until 1878 that the first female students enrolled at Leiden University, but the discussion on whether women were suited to study was by no means over. 8 March is International Women's Day. BBC correspondente Kim Ghattas will deliver a lecture on 6 March on the struggle by Arabic women for…

Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.

Infecting each other with viruses and bacteria while protecting yourself with medicines and vaccinations. Sounds like a fun evening, right? Master students Life Science & Technology Rafael Jezior and Dennis de Beeld certainly think so. Together, they developed ImmunoWars: an exciting card game based…

'In Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Professor Judi Mesman interviewed 40 people of colour in leadership positions. What can we learn from them?

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

Two organisers at heart. In the background, facilities managers Nick van Asperen and Kees Schoonwater ensure that staff and students have everything they need to work and study well. Recently, the familiar faces started doing so in a new role. Schoonwater is now project manager housing and Van Asperen…

Researchers from the Leiden University Medical Center (LUMC) have successfully used stem cell gene therapy to treat a baby with the severe congenital immune disorder SCID. An important milestone: it is the first time stem cell gene therapy of Dutch origin has been administered to a patient, and also…

Few people would associate the name Anton de Kom with Leiden. Yet the Surinamese freedom fighter is the subject of an exhibition at Museum De Lakenhal.

Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.

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.

The first results of the National Student Survey (Nationale Studenten Enquête: NSE) reveal that students at Leiden University are satisfied with their study programme.

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

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.

A dissertation covered in hot pink faux fur, antique prints of PhD ceremonies, a pot encrusted with sealing wax: the Hora est! anniversary exhibition at Oude UB takes you to the ritual yet idiosyncratic world of PhD ceremonies.

How do you really measure how a country is doing? Researcher Annegeke Jansen is looking for alternatives to gross domestic product (GDP) to assess the state of society. As an economist, she focuses on well-being, inclusivity, and a healthier environment. ‘The economy should be a tool to achieve those…

Alumni who live and work in Brussels met on 18 February at the annual Leiden Alumni in Brussels Event. As well as celebrating Leiden University’s 450th anniversary, they also looked at the challenges Europe faces.

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.

Research into our history of colonialism and slavery, heart-to-heart conversations at a Keti Koti table, exhibitions, lectures and podcasts that establish the link between present and past. Staff and students participated in the national Slavery Memorial Year in many different ways. What have we learned…

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

There are many links between Leiden and the US. The highest office there has been held an impressive nine times by presidents with Leiden roots. This has led to memorable visits to Leiden University.

Starting with the ‘why’, putting herself in her students’ shoes and providing structure. These are three ways in which environmental scientist Ranran Wang tries to make her course as interesting and manageable as possible. With success: she has been nominated for Science Teacher of the Year 2022.

How should the municipality of Eindhoven organise the reception of asylum seekers? What is the best electoral system for the Dutch Parliament? Governments regularly ask citizens for their opinions. Computer scientist Michiel van der Meer has improved the method used for citizen assemblies. He will defend…

In the documentary ‘Pretend Student’, former students talk about why they let everyone believe they were still studying. How can you make sure you don’t end up in such an impossible situation? Four questions for Leiden Student Dean, Romke Biagioni, who worked on the documentary.

With its FestivOWL theme, Orientation Week Leiden (OWL) promises to be one big festival for new international students in Leiden.

‘The pupils are enthusiastic and they miss you.’ That’s what a teacher from Haags Montessori Lyceum said in a mail to third-year student Resi Aarts (Bachelor’s in Physics) when she was unable to tutor the pupils one Friday. She and Sem Grootscholten (Master’s in Public Administration) support secondary…

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

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.

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

What is the best way to restore dune ecosystems? The project TERRA-Dunes researches the role of soil microbes in the development of natural dune areas. Recently, the project went into a new phase: planting 412 oak seedlings grown in different type of soils.

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.

Assistant professor Joost Willemse firmly believes that as a teacher, you’re never done learning. ‘Students ask questions about things you’ve never thought of yourself. Ultimately, that makes you better at your job.’ That’s why he always encourages his students to ask questions. And it’s appreciated:…

To check whether the classroom scanners are secure, a ‘pen test’ was performed in the Lipsius building on Monday 28 March. This involved switching on the person counters for a day so that ethical hackers could try to gain access to the system.

In a confidential meeting, the University Council (UR) and the Executive Board (CvB) have discussed security within our buildings, partly as a result of media reports on this topic that appeared during the summer. The University Council has shared concerns expressed by staff and students concerning…

The Rein Dool painting depicting board members of Leiden University will be moving soon to the Reception Room in the Academy Building, where more people will be able to see it.

Education

Leiden University no longer wishes to collaborate with fossil fuel partners that are not demonstrably committed to achieving the Paris Agreement targets. Exceptions will be made only if a collaboration demonstrably contributes to the energy transition. This proposal by the Executive Board was discussed…

The first generation of Governance of Sustainability master's students has graduated. They received their diplomas during a festive ceremony at Wijnhaven on 17 September. And they will not be the last: The master's programme is only growing in popularity. ‘We are very proud of our first graduates, especially…

A festive opening with plenty of orange, a well-attended lecture by Ionica Smeets and an unforgettable party for staff and students. We celebrated the opening of the new building together. Join us as we look back on this exciting week of celebrations.

Four researchers from Leiden University have been awarded prestigious Vici grants the Dutch Research Council (NWO) has announced. The honoured applications are from researchers at the Faculty of Social and Behavioural Sciences, Leiden Observatory, the LUMC and the Faculty of Archaeology.

Work has begun on an accommodation complex for international PhD candidates and postdocs at the Leiden Bio Science Park.

Not one, but two Olympic rowing medals with a Leiden-Delft touch. Master student Life, Science and Technology Stef Broenink won silver in the double pair. He and partner Melvin Twellaar were in front for a long time, but were overtaken by the French at the last minute.