They never cross our minds until, that is, they become damaged and then they’re a huge problem: our sewers. Their maintenance could be much faster and more accurate, PhD candidate Dirk Meijer has discovered. Algorithms are also proving to be a godsend deep underground.

Alessandra Silvestri has been appointed professor in Theoretical Physics in the area of Cosmology. For her this promotion in Leiden is the icing on the cake. ‘But there are many more boxes I would like to tick.’

PhD candidate Joeri Schoenmakers works at the LIC and describes how his days revolve around new experiments, oxygen-free reactions and supervising students. The mix of freedom, variety and a close-knit team means he enjoys both his research and his teaching role every single day.

Biologist Nataliia Machushynets felt like she was ‘looking for a needle in a haystack’, trying to find new antibiotics to help solve the problem of resistance. During her PhD research, she did find what she was looking for, in the soil beneath our feet.

Liselotta Jahnke, Jason Irwin, Rachel Cruickshank and Paula Kovač are the new student members of the Programme Committee (OLC). This committee advises the Executive Board and the Faculty Board of CADS about educational matters, such as determining the Course and Examination Regulations and evaluating…

Can you prove whether a large quantum system truly behaves according to the weird and wonderful rules of quantum mechanics — or if it just looks like it does? In a groundbreaking study, physicists from Leiden, Beijing en Hangzhou found the answer to this question.

What rules should regulate AI, who should make them, and how will they be enforced in the digital arena?

Can the academic year be structured in such a way to give students, lecturers and researchers a bit more breathing space? To find out, Leiden University is taking part in ‘smarter academic year’ pilots.

Various guests with a background in human rights, law, politics and international relations will be taking part in the ‘Human Rights and the World Cup Qatar’ debate on Friday 30 September. Royal Dutch Football Association (KNVB) Secretary-General and Leiden alumnus Gijs de Jong will be there to provide…

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

A 1K Z1E j3 bench has been in the Huygens building since Thursday. The bench symbolises making suicide, depression and despair negotiable. 'We hope this bench invites people to start the conversation about how they are really doing,' says student wellbeing officer Elly van Laar. 'But it all starts with…

As part of the TerraNova project, a European research initiative on the study of landscape histories and futures, a Massive Online Open Course (MOOC) was developed. Anastasia Nikulina was one of the main chapter coordinators who worked on this course, and she worked on the part about modelling in landscape…

E-mails are not the first thing that comes to mind when thinking about sustainability. Yet, your e-mails can add kilos of extra CO2 to the atmosphere each year. Students from the LDE Bachelor Honours Programme Sustainability tackled these and other sustainability challenges on behalf of partner organisations.…

A mega-dam around Europe is a possible solution as protection against rising sea levels. Whether that is really a good idea, was debated on by young professionals during the debate on the future of European coastal protection. 'A big dam may seem safe, but actually isn't,' argued debate winner Haye…

Leiden researchers, led by Sebastian Pomplun developed a new method to screen hundreds of thousands of molecules for drug discovery, using mass spectrometry instead of DNA tags. ‘We wanted to make drug discovery faster and more accessible.’

An international and interdisciplinary collaborative effort, the Honours Class ‘Sustainability Beyond Frustration: Saving the Planet as an Academic Skill’ aims to present students’ ideas to sustainability experts that know how to bring them to fruition.

The Faculty of Archaeology is pleased to announce that Dr Sarah Schrader has been appointed as the new Head of the Department of Archaeological Sciences (DV). In April 2026 she succeeds Dr Jason Laffoon, who has led the department for the past six years.

Last Friday the global Antibiotics Awareness Week begun: an entire week dedicated to antibiotic use. Antibiotics researchers from the LACDR therefore set out to tell primary school pupils about their research. Through role-playing, pupils were drawn into the world of antibiotics: 'Can the teacher not…

Researchers from Leiden and Indonesia work together on a range of projects on topics such as disappearing languages and cultures, the role of Islam, circular economy, biodiversity and medicine. They also work on projects to improve legal education and make Dutch sources and Indonesian heritage accessible…

Bachelor student Douwe Remmelts passed away on April 30.

It is not always easy for students to apply their academic knowledge in practice and get acquainted with the work environment of professional public organisations. Public organisations may struggle in turn to successfully address leadership challenges in their current way of working.

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.

Leiden health psychologist Liesbeth Van Vliet receives recognition for her research on doctor-patient communication and its influence on quality of healthcare. Van Vliet has been awarded one of four Heineken Young Scientists Award 2022 for promising young researchers working in the Netherlands.

Every year in February, ninety students who love making music come together in Someren, a town in the Dutch province of North Brabant. Through rehearsals and festivities over ten days, they transform into the latest version of the Dutch Student Orchestra (NSO), which then performs concerts in the Netherlands…

Technology is spreading its tendrils into the classroom. But who is in control?

Je onderdompelen in de wereld van de lobby. Dat kan op donderdag 10 november tijdens de Nacht van de Lobbyist, een publiek event dat de Universiteit Leiden en de Public Affairs Academie voor de 2de keer organiseren. Vijf vragen aan initiatiefnemer Bert Fraussen, universitair docent bij het Instituut…

Making friends in a new city can be difficult, which is why the Humanities PopCorner has created the Buddy Programme. The idea is to give international master's students a helping hand in building a social network. Project coordinator Manal Daddah updates us.

The Executive Board of Leiden University has asked the University Council to advise on its proposed decision to reactivate the person counters/sensors in due course. The Council will now look at this carefully before the Board makes a final decision. The advice of the University’s participation body…

Monday 14 November marks the start of the Week on the International Student. The perfect moment to reveal our new Acts of Kindness Pillar. At 12.00 hours on the dot, the festive reveal will take place in the restaurant at KOG. Everyone is cordially invited to take part in the ceremony and have some…

Looking for a great meal at a sustainable restaurant? Since Monday 2 September, you can visit restaurant De Schotel in the Lecture Hall Building. This renovated space offers a unique combination of comfortable study areas, a no-internet zone, and a wide selection of delicious food and drinks.

How do you make effective use of AI and medical technology? And what role do you play in this as a doctor? This is what the LUMC/Leiden University is preparing medical students for, right from the first year of their studies.

Parents are not always heard before their children’s placement in care is extended. They can only have their say if they ask the judge for a hearing themselves. ‘It should be the other way round,’ says Mariëlle Bruning, Professor of Child Law in a ‘De Nieuws BV’ broadcast.

Education

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.

In the 1970s and 1980s, Argentina faced a severe dictatorship. The regime did not shy away from using brute force and torture. People who showed their dissatisfaction also regularly disappeared. For her PhD, Ana Saab researched how the memory of these disappeared people was kept alive anyway.

It was not light, but its absence that caught Stephanie Noach's attention a few years ago. With her research on darkness in art, she aims to show how darkness can question and sometimes even undermine colonial imagery.

A chess tournament, picnic, movie night or language course: second-year Law students Amy de Haan and Binela Alispahic from the Student Well-being team are organising various activities aimed at connecting students. We spoke to them about their motivation, goals, and plans.

Since September 2024, Berber Verhalle has been the new student assessor for W&N, succeeding Nalani Verwoord. Berber is a first-year Master’s student in Biology & Business and is now the representative of the students at our faculty.

How can you ensure that more experimental drugs reach the finish line? At the moment, only one in twenty cancer drugs that are tested on humans makes it to the market. This is an enormous loss for patients and society. With a grant from the National Growth Fund, Oncode-PACT aims to efficiently select…

Computer says no: end of story. Twenty years ago, a hilarious line in the British TV series Little Britain, now a reality. We all blindly follow technology at times, with varying consequences. For ISGA lecturer and researcher Daan Weggemans, it's a subject worthy of a PhD.

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

Student dean Romke Biagioni is committed to help students have an easygoing and pleasant time during their studies. She assists students with disabilities, looks for solutions to problems such as housing issues and counsels students with social or financial problems. For MSc student Computer Science…

Photographer and Visual Ethnography alumna Wilke Geurds captured special encounters during her travels. As an anthropologist, Wilke is always curious about other countries, people and cultural customs. That curiosity forms the core of her new photo exhibition, which can be seen during the Kunstroute…

Education

With research on the intergenerational transmission of trauma, Tamara Compagner (right) has won the FSW Thesis Prize 2023. The thesis was written as part of the Master's in Education and Child Studies and examines the role of parent-child attachment and child personality in high-risk families.

In the opinion article ‘Maak praten over de dood niet tot een morele plicht’ (Don’t turn talking about death into a moral obligation) Annemarie Samuels and Liesbeth van Vliet, argue together with Marike de Meij and Sander de Hosson that it is important to have conversations about death and dying but…

Who wouldn’t want their own episode of Het Klokhuis? Researchers Milica Nikolic and Chris Riddell are in the running for the Klokhuis Wetenschapsprijs, which aims to introduce a broad and young audience to scientific research in the Netherlands.

Are you trying to write a perfect paper on your first attempt? That appears to be efficient, but in the end it usually is a waste of time. Writing and revision are separate processes; the first makes more use of the creative right brain hemisphere, while the latter appeals primarily to the critical…

Philosophy, Politics and Economics (PPE) in Leiden is a unique interdisciplinary master’s programme, considering topics of freedom, justice and citizenship in the 21st century. Watch this video to learn more about the programme!

Organisation