On Friday 11 March (16.00 hrs.) Minister Dijkgraaf (Education, Culture and Science) will give a speech at Leiden University entitled ‘When knowledge becomes critical’. In the speech, he will address several critical challenges in science and society. The livestream will be open to all.

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

From a powerful documentary to a heartwarming classic: four Leiden alumni have chosen their favourite films and will introduce them at Leiden International Film Festival.

SRON, the Netherlands Institute for Space Research, is holding an open day on Sunday 25 September. It has had a branch at the Leiden Bio Science Park since 2021 and works closely with Leiden University.

Using enslaved people as servants, becoming an administrator in the Dutch West India Company or making uniforms for the colonial army. Many people from Leiden played a role in colonialism and slavery. Historians are conducting preliminary research and finding striking examples.

Natalia Sobrino-Saeb has attended the Nobel Peace Prize award ceremony in Oslo. She was awarded this honour after winning the essay competition of the Nobel Ignitor Fellowship, a programme that seeks to inspire young changemakers around the world – for change can be made by all of us: “You never know…

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.

Predicting the collective behaviour of systems, like a large group of people electing one of the parties, is no easy task. But there’s a theory that scientists have been using for decades to do just that: the theory of Gibbs measures. Last week, mathematician Mirmukhsin Makhmudov earned his PhD for…

On Monday, 13 October, Jasper will travel to Brussels with a delegation from Key Region Leiden. Why is this collaboration important? And who will he be having dinner with that same evening in Voorschoten? Jasper shares his account of a long and interesting Monday.

Gianne Derks is the MI’s new scientific director from 1 May. She has worked abroad longer than in the Netherlands and, after more than 27 years in Surrey, she dreams in English. Who is this new director and who or what managed to entice her to make the move to Leiden?

Alex Colling himself calls his bachelor's thesis ‘the highlight of his time in Leiden’. And according to his supervisors, that resulted in an outstanding thesis, with great attention to detail. The Mathematics and Physics student worked on a mathematical description of monopoles: hypothetical particles…

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.

Every Sunday you can help fish plastic and other floating garbage out of the Leiden canals. You can use your own canoe or loan one from Plastic Spotter and join the garbage-fishing fleet. Annetje Ottow, President of Leiden University, was one of the crew on Sunday 4 July.

Marco van Eijk is the new Educational Director of the Bachelor's Life Science and Technology (LST). Since 1 September he has been responsible for ensuring the quality of the programme. ‘LST is a unique programme and everyone has to keep working hard for that. That is my main task.’

At the annual reversed constitution reception (omgekeerde constitutieborrel), the Executive Board presents an award to a student organization that has made an inspiring and impactful contribution to the well-being and social safety of its members. This year, ESN Leiden won for its program ‘Together…

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

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

Anthropologist Rodrigo Ochigame studies how AI is changing the practice of scientific research. From astrophysics to mathematics to climate science, they find that the adoption of new AI models is raising questions about what counts as reliable scientific evidence.

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

Herman Spaink knows of many substances that may help combat tuberculosis. Lab space to study them safely is very limited in Leiden. A brand-new lab at Universitas Gadjah Mada in Indonesia will soon provide a solution. About time, says Spaink, ‘The disease is on the rise and is becoming less sensitive…

Thousands of first-year students and hundreds of mentors kicked off the EL CID on Monday morning. This year for the first time, the introduction week of Leiden University and Leiden University of Applied Sciences was also open for students of Regional Training Centre mboRijnland and the Leiden Instrument…

After nearly five years as President of the Executive Board, Annetje Ottow will be stepping down from the role as of 1 September. During her time as President, she helped shape the university’s strategic direction, strengthening its regional, European and international profile. Sustainability, and dignity…

Glorious sunshine, dozens of enthusiastic academics and huge numbers of Leiden residents ensured that this year’s special jubilee version of 3 October University was a great success.

Conference

You win the Leiden Teaching Prize and suddenly all eyes are on you. Three past recipients reflect on how this student-awarded prize has changed how they work and improved their teaching – and how they chose to spend the money.

Is it a coincidence that three chemists from the same department have each independently received a ZonMw grant? 'No,' the researchers agree in unison. 'The role of chemistry in medical biology is becoming increasingly important, and we’ve worked hard to make this happen.'

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

On a sunny Lammermarkt, thousands of new students gathered to kick off their student life in Leiden at the 56th edition of EL CID.

Leiden’s ‘Learning with the City | On Location’ knowledge store opened its digital doors in Leiden-Noord on 8 February. This is where students, residents and professionals can work together on social issues.

Lecture

Many people have fled to the Netherlands since the outbreak of war in Ukraine, including students. But even before this war, students with refugee backgrounds were eager to study at Leiden University. How does the University help young people from various backgrounds find their way around the Dutch…

As University historian, Pieter Slaman researches the University’s past, but he’s equally interested in its present. ‘It’s useful to be familiar with issues from the past. Not to be rooted in the past because some developments from history are things you definitely don’t want to repeat.’

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

Hundreds of students and staff from Leiden University gave a ‘whistle concert’ on 11 December against the planned cuts to higher education. Similar protests were held in other student cities on the same day.

As of 1 April 2025, Lodewijk Govaerts will be standing down from the Board of Governors due to other commitments that will demand a significant part of his time and attention within the foreseeable future. Govaerts does not want this to affect his ability to fulfil his role on the Board of Governors…

Festival

From global warming to the decolonisation of knowledge. At the EuroScience Open Forum (ESOF) in Leiden over 500 speakers from 60 countries have come together to discuss the big themes of our times. Why have the delegates come?

Amorphophallus decus-silvae, or the ‘penis plant’ as it is known, has just flowered at the Hortus botanicus. It flowered for two days, and then the pollen, which the male flowers produced was collected. As far as the plant experts at the Hortus can tell, this was just the third time that this species…

Historic and iconic yet expensive and cold. It’s with mixed feelings that the university is leaving the Gravensteen building, which dates back to the 12th century. How was it to work and study in this former Leiden prison?

In the ‘Imaginary’ exhibition, its curators show how society is made up of mathematics. From algorithms that save lives to ones that generate art. The exhibition is from 2 June to 25 July at Oude UB in Leiden.

How to implement good leadership? This is the central question posed during the inspiration seminars of the LLP, in which renowned guest speakers share their insights. A seminar at the beginning of May imparts this message: “Keep listening to one another.”

Leiden researchers from different disciplines look together at complex social problems. What happens when they join forces with artists? The results could be seen on Tuesday 11 June during a unique exhibition. Take a look for yourself:

Presentations, city tours, themed cafés and information fairs − there was plenty to discover on the Bachelor’s Open Day last Saturday. Around 6,000 prospective students and 4,000 parents visited faculties in Leiden and The Hague to soak up the atmosphere and imagine how it would be to study at Leiden…

The speed at which science is changing our lives gives rise to tensions and concerns. In his talk at Leiden University, Minister Robbert Dijkgraaf (Education, Culture and Science) said we should talk more about science’s relationship with society and political decision-making.

As the father of a family with four children, he already visited the Hortus regularly. Now Tom Schreuder also comes there for his work. Every day he travels from Lisse by bike. The new Director Operations calls it a ‘perfect match’.