Conducting research for the municipality: this is a deliberate choice for the master’s students who are taking part in the Resilient Cities Hub, part of Learning with the City. Nina Ruig and Marron Loods are two such students. They are researching sustainability issues for the Municipality of Leiden…

Mass, time, space, and complexity — physicists in Leiden are launching eight new research projects tackling some of the most fundamental themes in quantum mechanics. Their goal: to push the limits of current quantum theories.

A diverse (ad hoc) committee will advise Leiden University’s Executive Board on its exhibitions policy in a broad sense, with a special focus on the painting by Rein Dool in the Academy Building.

Leiden PhD candidate Jo-Anne Verschoor discovered that nearly twenty percent of the bacterial strains she studied could degrade plastic, though they needed some encouragement to do so. ‘Bacteria are just like people,’ says Verschoor. Her research was published in the journal Communications Biology,…

Playgrounds often fail to accommodate children with autism, according to researchers Carolien Rieffe and colleagues. They have published an essay offering practical advice on how to make all children feel safe and welcome for Autism Week (Dutch) and World Autism Autism Awareness/ Acceptance Day on 2…

Organisation

IncLUsion is a student initiative that enables refugees who are not (yet) able to register on a regular study programme to follow courses at Leiden University. But studying is more than just attending classes, which is why IncLUsion also offers a buddy system. Buddies are Leiden University students…

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How does the soil we grow our vegetables in, affects the health of our gut? And does a healthy soil gives crops a better quality and taste? These are some of the questions Soil ecologist Emilia Hannula and a big consortium will work on. With an NWO-KIC grant of 1.8 million, CML, IBL, FGGA, the LUMC,…

The perfect ship is light and sleek for speed, but also needs to be strong and stable for safe sailing. These and other conflicting requirements make it difficult, even with a supercomputer, to find the ideal design. Computer scientist Roy de Winter has developed an algorithm that helps strike the perfect…

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

With a self-converted red camper van, biologists and twin brothers Kevin and Marvin Groen go on a nature adventure in Eastern Europe. Together, they search for wild animals, beautiful nature and places to sport. From a long search for a bear in the Slovakian wilderness to the discovery that pelicans…

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

From children’s birthday parties to international ambassadors, the Old Observatory attracts a wide range of visitors. Student coordinator Sanne van Beek connects visitors and students, ensuring everyone — from five to sixty-five — learns something about the stars.

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

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.

What is the environmental impact of the fish on our plates? And is an electric car really more sustainable when we include the generation of electricity? Jeroen Guinée maps the environmental impact of products and technologies. He analyses them from raw material to waste disposal. He was appointed Professor…

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…

The Iran war has pushed up fuel prices and raised concerns about a global energy shortage. How well prepared is the Netherlands? We asked two experts.

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.

Social

Leiden University and four other parties have signed a declaration in which they agree to improve the well-being of students in Leiden. They signed this Declaration on Student Well-Being on 5 April at the Leidsch Besturendiner, a dinner for student associations, universities, local government and bu…

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.

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.

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.

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

Preventing or delaying disease often requires lifestyle changes, which turns out to be difficult. Valentijn Visch and Sandra van Dijk are researching how to help people change their behaviour.

Health Day has won the LUF Relationship-Promoting Activities Prize (LUF RAP). This 5,000-euro prize is awarded to an initiative by Leiden University students that brings the academic community together.

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.

Organisation

Today, 13 May 2024, Leiden University’s Executive Board is publishing the advice of the committee that investigated reports of unacceptable behaviour and breaches of academic integrity. These reports were about a professor from the university and their partner (a former member of the university staf…

Carlo Beenakker has been appointed a Fellow of the American Association for the Advancement of Science (AAAS), the organisation behind the journal Science. Among the Fellows, he is the third Dutch person and first Leiden researcher.

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.”

In the University elections in April, the eight student seats on the University Council have gone to six parties, and newcomers the Liberal Student Party and the Party for Biomedical Students have each won one seat.

Assistant Professor Vedran Dunjko and his team receive a €100,000 gift from Google to support them in their quantum research. The research focuses on whether quantum computers can provide new ways of understanding the mysteries of high-energy physics. Google is committed to supporting ambitious research…

As of 1 September, Jeroen van Zon started as professor by special appointment in Quantitative Developmental Biology at the Institute of Biology Leiden (IBL). Van Zon is also group leader of Quantitative Developmental Biology at the physics research institute AMOLF. Three questions about his new role…

In early 2026, two new programme directors will begin their roles at FWN. Joost Broekens will take charge of the bachelor’s programme in Data Science and Artificial Intelligence (DSAI), while Sander van Kasteren will become programme director of the MSc in Life Science and Technology (LST).