National Meat Free Week, from 11 to 17 March, encourages us to choose the environmentally friendly option more often. But apart from preventing animal suffering, does eating less meat really make much difference? Three questions for Leiden Professor of Industrial Ecology Arnold Tukker.

Can we reshape school playgrounds through data and design? By using AI and wearable sensors, data scientist Maedeh Nasri discovered ways to create environments where children, including those with ADHD and autism, can connect, play, and grow.

In 2021, Thijs Bosker and Paul Behrens — both Associate Professors in Environmental Sciences at Leiden University — received funding from the Leiden University Fund and the Gratama Foundation to develop tangible and practical exercises that help people to deal with environmental issues from a local…

Online services are stored on servers in data centres. Remko Fermin researched methods to make the memory in data centres more energy efficient.

Our lecturers had just a week to convert their subjects into online formats. It was an enormous challenge because by no means everyone was involved in remote teaching at Leiden University. As well as being Vice-Dean of Leiden Law School, Ton Liefaard is also a lecturer. ‘I especially want to support…

LEGO creations, a clothesline of visions and a journey into the past and the future: just some of the highlights of Uni-vision day, where creatives developed their vision of the future of study.

ASTRON en de Universiteit Leiden beginnen samen een nieuwe leerstoel over sterrenkunde en AI. Bijzonder hoogleraar Joeri van Leeuwen gaat deze positie vullen.

A team of students from Leiden won the iGEM international biology contest in 2020 with their Rapidemic mobile testing kit. The kit makes it easy to detect viruses. The team has now been nominated for the Most Innovative Student in the Netherlands prize. Cast your vote and help them develop their inv…

A subject like history is all about the past. That often involves scrolling through old documents, but in the Research Master's in History, Professor Dario Fazzi takes a different approach. His students work with Virtual Reality.

Last year the research program Teaching and Teacher Learning of ICLON Leiden University Graduate School of Teaching had its recurrent external review.

On 21 February 2025, Sarah Coombs successfully defended her PhD thesis at Leiden University in which she analysed the impact of research conducted by Universities of Applied Sciences (UAS).

How can mentors and social workers foster the vocational identity of at-risk youth and improve their prospects? This is the subject of Rineke Keijzer-Groot's thesis. She is a dual PhD candidate at ICLON and Dual PhD Centre. Defence on 18 November.

From one year to the next, face masks have started to appear in the environment. As the masks are discarded, they end up in the top soil, in sediment layers, and in refuse heaps. In a couple of generations archaeologists will study the layer that has already been labeled the Face Mask Horizon. Current…

The Executive Board of Leiden University appointed Dr. Johannes Magliano-Tromp as interim member of the Faculty Board of the Faculty of Governance and Global Affairs with the portfolio Education.

The municipality of Leiden aims for circular construction, but how do you reconcile that with the growing demand for housing? For the Kennisatelier Duurzaamheid, master's students from Industrial Ecology are investigating whether the municipality can build enough houses up to 2030 and still use half…

The whole world is waiting anxiously for sufficient supplies of coronavirus vaccines. As Launch Navigator at Pfizer, alumnus Dennis de Mik must help ensure that the Netherlands receives 19.8 million doses of the Pfizer/BioNTech vaccine. How is he going about this and how has his Bio-Pharmaceutical Sciences…

Her love for China made her study Chinese and go on an exchange trip in her third year of studies. As an Outbound Student Coordinator at the Humanities International Office, Karin Aalderink (45) now supervises students who go abroad.

'Refugees often have to run for their lives. In Leiden, we run to raise money to support them and to contribute to their education.' With these words Leiden biology student and and former refugee from Congo Lesage Munyemana, calls out to sponsor teams for the Leiden Science Run.

After three years of courses, exercises, debating and reflecting, Honours College students received their certificate during a festive ceremony. Even more than with the certificate as such, attendees were pleased with the way Honours enables students to deal with an increasingly complex world.

PhD candidate Jianhong Zhou aimed to better understand whether and how plant species adapt to environmental changes. She developed two databases that she used to analyze how easily or difficultly plants adapt to changing conditions. Zhou defended her PhD thesis on 4 September.

Doctors are there to diagnose and treat people. But sometimes a diagnosis can’t be made or doctors differ in opinion. Luckily, Alireza Mashaghi Tabari and his research team have developed a new framework to solve medical diagnostic problems. This framework can also be applied to many other research…

On 11 May the House of Representatives voted in favour of a law that will enable some sectors to reopen sooner than planned with the aid of test certificates. Political philosopher Josette Daemen is critical of the new legislation. ‘Just because we get used to measures doesn’t make them desirable.’

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

From 2029, childcare in the Netherlands will be almost free for working parents. Egbert Jongen, Professor of Economics, spoke with Nieuwsuur about the missed opportunities for non-working parents: 'Participation in formal childcare is particularly beneficial for children from disadvantaged families.…

How did you get to where you are now? This is a key question in the Academic Life Course board game, developed by and for academics. ‘In a normal working week we hardly ever talk about the career choices we make, but with this game, we do.’

In the coming decades, more than 2 million social housing units in the Netherlands will receive an upgrade in insulation and heating, in order to increase energy efficiency. To study the environmental, financial and social impact of this energy transition, a team of scientists from three universities…

Leiden researchers have developed an app that doctors can use to more easily determine the right dosage of medication for corona patients. At the moment, doctors are prescribing many existing kinds of medication to patients. Using the app, they can determine a safe and effective dosage.

Just one year ago, nobody would have given Trump a cat's chance in the US presidential elections. Now he will be the next President of the United States. Professor of Journalism and New Media Jaap de Jong explains the rhetoric that has got Trump so far.

In the past decades terrorists have regularly surprised us with unexpected and spectacular attacks, such as the one on the World Trade Centre in New York. How can intelligence services stay one step ahead of them? Consult Charles Darwin and Steven Spielberg is the advice of terrorism expert Yannick…

Are you keen to beat your friends or colleagues and win the European Championship football pool? Statistician Marjolein Fokkema has some tips that might increase your chances.

While offshore wind farms generate clean and green energy, scientists are becoming increasingly aware of the harmful impact they may have on marine life. To get a better overview of these impacts and to find the best locations for future wind farms, environmental scientist Yali Si and her colleagues…

'Consider languages in their shared context.' That is the message of Professor and Arabist Beatrice Gründler, who will receive an honorary doctorate from Leiden University on 8 February. ‘I would like people to learn that Arabic history has a close connection with Europe.’

Dutch people are far more law-abiding than they might like to think. And they are very different from the Belgians in that regard. The different approaches of the two governments towards the coronavirus crisis, for example, can be explained from the history of both countries since the Middle Ages. Historians…

Jos Winnink will defend his PhD dissertation, entitled “Early-stage detection of breakthrough-class scientific research”, on Wednesday February 22, 2017 at 3 pm. The two PhD supervisors are Prof. dr. Robert Tijssen and Prof. dr. Anthony van Raan (both at CWTS, Leiden University).

Childhood trauma can have a lifelong effect. Many therapists do not dare to confront these vulnerable patients with their past because they are concerned that the patients will be unable to cope. Research has now shown that exposure therapy can be helpful for this group of people.

Scientists' computers are now full of complicated 3D models, but no standard has yet been developed for exchanging the data. A new database should change this. External PhD student Liselore Tissen is receiving a grant to contribute to this on behalf of Leiden University (and TU Delft). ‘It will be great…

Dutch influencers like Romy Boomsma and Nina Pierson have a huge following on Instagram and are increasingly sharing book tips there. Researcher Aafje de Roest wants to find out more about the reading culture they are promoting and its effect on the reading habits of their mostly young female follow…

Mathematical biologists from Leiden have developed a model that helps to explain how the spine and vertebrae, among other things, form during embryonic development. The same process, the other way around, plays a key role in cancer metastasis. Publication in iScience.

This academic year, we are welcoming several international students who have started studying at FGGA with a prestigious scholarship. We asked them about their background, their reasons for applying, and the application process. Congratulations to all students who have been awarded a scholarship!

Transferring poo from healthy donors to the intestines of chronically ill people has beneficial effects on these recipients’ gut bacteria, also in the longer term. This is the conclusion of research by the Leiden University Medical Center (LUMC) and the Netherlands Donor Feces Bank (NDFB).

The application procedure is broken down into four parts.

The application procedure is broken down into four parts.

The application procedure is broken down into four parts.

The application procedure is broken down into four parts.

The application procedure is broken down into four parts.

A plant-based diet could improve the resilience of our food system. Moving to such a diet in the European Union (EU) and United Kingdom (UK) alone could replace almost all the production losses from Russia and Ukraine. That’s what an international team of researchers conclude in Nature Food. Leiden…

Rising geopolitical tensions are causing states and national elites to innovate their use of the past for present-day political ends. This is certainly true for the People’s Republic of China, which celebrated its 75th anniversary in 2024 amid mounting superpower rivalry, ideological tensions with the…

Postdocs, or early career researchers, play a crucial role at Leiden University. They make a major contribution to our research. In 2019, Leiden University employed around 400 postdocs across our faculties in Leiden and The Hague, LUMC not included.

Both good employer practices and good employee practices are open norms. These open norms can lead to uncertainty about what employers should focus on and what rights (and obligations) employees have in that respect. The objective of this study is to give substance to the norm of good employment practices…

The main purpose of DNAmarkerpoint is to better understand the ecology, evolution and biodiversity through the study of ancient- and modern DNA.