Last week we were informed that Prof. A. Hordijk, emeritus professor at the Mathematical Institute, has passed away. Arie Hordijk (1940) came to the Universiteit Leiden in 1976 and has been a professor of Mathematics of Operations Research at our institute until his retirement in 2005.

On Monday 25 November at 13:00, students and staff from higher education institutions are protesting at Malieveld against the announced cuts. How do you ensure that you and your students can be there if you should be teaching then, and cannot or do not want to cancel your class?

From pipetting in the lab to shining in front of the camera at a global student event. With 8.000 viewers watching the livestream, Marjolein Crooijmans presented the iGEM Giant Jamboree in Paris.

Watching and analysing hundreds of TEDx talks, that too can be research. That becomes clear from the work of PhD student Aletta Meinsma, who is studying potential problems in popular communication about quantum technologies. She explains how she approaches this and why it is so important.

The rising energy prices cannot have escaped anyone’s notice. They have dominated the news in recent months. As a university, we too face a big challenge as the prices continue to rise. We will all have to do our bit in the coming months, also in view of the climate crisis that we want to help resol…

Leiden University is a member of the Una Europa European alliance. This partnership of 11 research-intensive universities is working to shape the university of the future.

Recently, our respected and talented former colleague Bente Hilde Bakker passed away after a long and brave fight with illness. She received her mathematical training at the Vrije Universiteit in Amsterdam and also obtained her PhD there under the supervision of Jan Bouwe van den Berg and Robert van…

To easily take part in group decision-making research, Jörg Gross, Assistent Professor Social and Organisational Psychology, launched a platform that allows students at the social interaction lab. Sign up to receive invitations if you are interested in taking part in on-going scientific studies in the…

Last week’s sunny Lowlands festival was not just an occasion for partying and dancing. Visitors were also given a glimpse – as test volunteers – into scientific research. How do you conduct research on fear and silent communication at a festival?

The interdisciplinary programme Social Resilience & Security is inviting proposals for seed funding. The programme aims to combine knowledge and expertise from five different faculties to study transgressive behaviours, its dimensions, aetiology, and effects of interventions with a multidisciplinary…

How can you use AI in your research? And how can we implement new digital technologies within our faculty, with support from the experts we already have in-house? These were the central questions explored on the afternoon of Tuesday, 10 December, during the eScience event. Here are the key takeaways…

One of our PhD candidates at the LACDR, Joey Zuijdervelt, recently achieved recognition by winning the first prize in the ‘Schild-De Groen Onderzoeksprijzen’ for cancer research. His award-winning master’s thesis explored glioblastoma multiforme through an innovative orthotopic zebrafish xenograft model,…

Leiden University Medical Center (LUMC), as a partner in the reNEW consortium, is once again receiving tens of millions of euros for research into new treatments based on stem cells. The collaboration will receive a total of €150 million to develop new therapies in regenerative medicine.

What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…

Course

Workshop

In 2022, Leiden will be the European City of Science. The preparations are in full swing, so we would like to give you a look behind the scenes. This time we talk to Ewine van Dishoeck. She is the driving force behind the annual programme at the Faculty of Science. As far as she is concerned, there…

The more data from cancer research we pool, the better we can search for new treatments. But how can we keep patient data safe when sharing it? Leiden researchers will tackle this challenge in a major European project.

Using 2D materials, physics student Romme van der Kemp developed a nanochip that is extremely small ánd scalable. This is needed to make all kinds of technologies better, faster and smaller. He has been nominated for the FWN Young Talent Award 2023 for his research.

Research

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.

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

From a meaningless block of plastic to an advanced component that contributes to the energy transition. The technicians and scientists of our faculty think it out in detail and make it a reality. This special project shows that they need each other.

Leiden University contributed to colonialism and slavery through its research and teaching. And governors and residents of Leiden had an active role in colonial networks. These are the findings of two explorative studies presented on 3 April.

On 2 December, the Municipality of Leiden will apologise for the role previous administrations played in colonialism and slavery. A further study will be carried out.

Collaborations with funds and foundations enable a lot of research. As Fundraiser for Foundations and Major Donors, Madelon Rolleman seeks out these opportunities for Leiden University. ‘I’m always looking for ways to start my conversations with funds and foundations.’

Education, Research

As part of the ZonMW Antibiotics resistance funding program, the LACDR cluster Systems Pharmacology was awarded €455.255 for a research project to develop novel clinical biomarkers for bacterial infections.

Workshop

How do you combine the growth of wind energy with the protection of vulnerable seabirds? With her master’s thesis on this delicate balance, Sofie Hajer won the 2025 Unilever Research Prize. Her work provides new insights into how ecology and policy can strengthen each other.

Young people are more likely to find long texts unappealing to read, particularly with all the digital distractions. To improve young people’s reading skills, Elise Swart and Hannah De Mulder are starting an innovative study to make reading fun again.

3 October University has become something of a tradition: a bit of science among the Leidens Ontzet celebrations. During the new and improved edition, the WetenschapsWarenMarkt (Science Market), visitors spoke to researchers about the nitrogen problem, making organs and the city’s connections with A…

Why do vulnerable groups fail to make use of benefits that they are entitled to? This is what Max ten Velde researched in his Master’s in Management of the Public Sector thesis, which has been nominated for the Netherlands Court of Audit’s thesis prize.

Fewer CO2 emissions, less airborne viral transmission, and a more sustainable form of food production: seven consortia of researchers and societal partners will put a budget of 32 million euros towards developing technological innovations. Important Leiden research on circular electronics by Prof. Dr.…

Research

It’s been exactly 20 years since Luris first began working with Leiden’s researchers and students to create an impact on society. To celebrate this anniversary, staff look back on their most memorable projects. Spoiler: they all had difficulty choosing one single project.

Leiden University researchers will be working more closely with colleagues at Una Europa partner universities this year. Three research projects have been awarded up to €40,000 in Una Europa seed funding to explore questions related to democracy and AI, web tracking technologies and clean energy.

Nicole ter Laak (Master student Biopharmaceutical sciences) has won the third price of the “Dr Saal van Zwanenberg research price”. The award ceremony is on 14 November.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

PhD candidate Daniël Gomon has developed statistical methods that could significantly improve research in fields like medicine and demography. ‘Mathematicians don’t like unrealistic assumptions,’ he says. Gomon will defend his PhD thesis on 19 June.

The jade vine (Strongylodon macrobotrys) is flowering at the Hortus botanicus in Leiden. The plant started producing multiple flower clusters three weeks ago and the first ones are now in full bloom.

Arnold Tukker has been appointed as distinguished visiting professor at Nanjing University in the field of industrial ecology.

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

As a researcher, it can be fun and useful to talk to the media about your work. But on what terms should you agree to do an interview or appear on a talk show? And how do you tell an engaging story? The Media Guide for Researchers is here to help. Three colleagues share their top tips.

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

‘Wadden Sea Sounds’ is the name of a new project launched by the Waddenvereniging in collaboration with researchers from Leiden University and the University of Groningen. The aim is to find out how underwater noise affects marine life in the Wadden Sea.

Tjerk Oosterkamp's group is conducting what is perhaps the coldest research in the world. The researchers have cooled a sensor to below 2 millikelvin - almost as cold as absolute zero. This allows them to make extremely sensitive measurements. PhD candidate Jaimy Plugge helped build the setup: ‘We are…

Researchers have used AI to reconstruct the rules of a board game carved into a stone found in the Dutch city of Heerlen. The team concludes that this type of game was played several centuries earlier than previously assumed.

Leiden researchers and partners have been awarded a 1.3-million-euro grant to produce milk protein for vegan cheese using fungi.

Can humans perceive single photons? What is our place in the universe? How can we make quantum computers more stable? Five researchers from the Faculty of Science have received funding for their research projects within the Dutch Research Agenda (NWA).