Leiden astronomy Master's student Arend Moerman has received an A+ for his thesis research on the simulation of chaotic interactions of three black holes. The simulations, which he carried out together with his Leiden and Oxford colleagues, show that lighter black holes tend to slingshot each other…

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An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

Lecture, NGL-lezing

Carel Stolker will retire as Rector Magnificus of Leiden University on 8 February. As a retirement gift he is setting up a fund for first-generation students and academics. You too can donate.

Geert de Snoo is making the transition from the Netherlands Institute of Ecology to the management of KNAW. Starting 1 October, the professor of Environmental Biology will begin his role as Director of Research Policy in a new, consensus-based management team.

Of the 150 elected representatives, 24 studied or conducted their PhD research in Leiden. Who are they and which degrees are most popular among these MPs?

Organisation

Facility

In exactly 450 days’ time, on 8 February 2025, it is the university’s 450th anniversary. We are obviously going to celebrate this with our students, staff and friends. Do you have any ideas for this celebration?

Leiden and The Hague have an extra 450 trees thanks to a special campaign to mark the 450th anniversary of the Relief of Leiden and Leiden University’s foundation. Over the past few months, Stadslab Leiden has worked on an initiative to plant young trees with the residents of the two cities.

Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.

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.

Towards the end of February, three Leiden University buildings will be assessed for their accessibility to people with a disability. The assessment will be carried out by Ongehinderd, a social enterprise committed to making the Netherlands more accessible. Its founder and director, Gerard de Nooij,…

Mark Rutte, the Dutch prime minister, gave a guest lecture to first-year law students at Leiden University. He spoke about democracy, the war in Ukraine and the role of the Netherlands.

Destroying proteins from the Golgi apparatus of the cell in a controlled manner. That is the focus of chemist Marta Artola’s pioneering research. By developing a groundbreaking technology to target specific proteins in the Golgi, Artola aims to unlock new ways for drug development. For this ambitious…

In its Strategic Plan Leiden University sets its direction for the coming years. A new plan will be presented next year, and in the runup to this we are organising different forms of student and staff consultation within the scope of LDN FWD (‘Leiden Forward’). A series of meetings were recently held…

He is always positive towards his students, helps them see the bigger picture of the programme, and tries to remind them that ‘a degree is an enormous opportunity to grow in directions that genuinely interest you.’ Thomas Moerland, assistant professor at LIACS, has been nominated for Lecturer of the…

Large pairs of planets thought to orbit each other without a star, do not exist after all. That conclude Leiden researchers, after extensive computer modelling and simulations. What the double dots seen by the James Webb Space Telescope are, remains a mystery.

In a topping out ceremony on Thursday 30 January, the new sports centre celebrated reaching its highest point and looked ahead to the future. The university will have a spacious and sustainable sports building by the start of 2026.

Leiden University has taken 17th place in the UI Green Metric, a global sustainability ranking for universities. Over 1,400 universities from all around the world took part in the ranking.

The Durham Declaration was presented at the Climate Symposium marking the Coimbra Group’s 40th anniversary on 26 March. Leiden University is proud to be one of the first signatories of this declaration.

Prof. dr. Pancras Hogendoorn is stepping down as dean of the Faculty of Medicine and vice-chair of the Executive Board of Leiden University Medical Centre (LUMC). He is also resigning from all associated secondary posts. Hogendoorn has taken his decision in anticipation of the findings of an inquiry…

The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…

Eight early-career researchers from around the world have been awarded a 51 Pegasi b Fellowship – a prestigious opportunity for astronomers. Julia Santos, a PhD candidate at Leiden Observatory, is one of them. We asked her four questions about this remarkable fellowship.

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.

As the end of the year approaches, the new University Sports Centre (USC) building is nearing completion. Vice-President of the Executive Board Timo Kos visited the USC, which celebrates its 55th anniversary this year, to see how work is progressing.

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Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

Paul Wouters is not keen on people with a dual agenda. However, for the coming period, he himself will be in that very position. Besides his work as Dean of the Faculty of Social and Behavioural Sciences (FSW), he is temporarily coming to strengthen the Board of the Faculty of Science. Who is this Acting…

Over 20,000 students, lecturers, administrators, support staff and many others protested on 25 November against the plans to make billions of cuts to higher education. Students and staff from Leiden University also travelled to The Hague to voice their objections to the disastrous plans.

Fantastic plants, dizzying patterns and pulsating sounds: researchers from Leiden are going to study the effects of a simulated psychedelic trip on the mind and body at Lowlands Festival. Why might this be interesting for therapies?

A discount on textbooks is always welcome. But for these students joining a study association has meant much more than that alone.

Ionica Smeets is planning to give the prize money that she won with the Iris Medal, a prize for excellent science communication, to student projects.

Alternative demonstrations were held in Leiden and The Hague on Thursday 14 November after the national protest in Utrecht was cancelled. Leiden University supports these protests, which were organised by WOinActie. Read our live blog of the demonstrations.

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: the liberating effect of pass/fail and ‘unessays’ at Honours College Law.

March

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

Bringing your drug candidates to patients is what many academic chemists dream about, but the road to this goal is long and bumpy. Now, Leiden small molecule nizubaglustat is ready for phase 3 clinical trials. This is thanks to a €132 million funding secured by the biotech spin-out Azafaros.

Ten Leiden museums and heritage institutions have curated the online exhibition ‘Carel’s Universe’. They selected objects from their collections that symbolise retiring Rector Magnificus Carel Stolker and the research in Leiden. With direct references, playful associations and the odd nod and wink.

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Leiden University and the Municipality of The Hague signed a collaboration agreement on sustainability on 1 November. Their main goals are to build a network, share knowledge and explore the possibilities of a Climate Centre for the people of The Hague.

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

We, the Executive Board and deans, have recently heard from different sources that the conflict between Israel and Hamas continues to evoke strong feelings of tension, anxiety and insecurity within our university community. We take this very seriously and so are once again addressing you all.

Gijs van der Velden has one of the best study results in his first college year of all science studies. With that, he won the Young Talent Incentive award and received 500 euros of the Koninklijke Hollandse Maatschappij der Wetenschappen (KHMW). The biology student remains quite nonchalantly. ‘Of course,…

A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.