German-American Mia Müller (26) has been working at the European Parliament for three years now as Press Officer at The Greens/EFA Group. She is a bit nervous about her 'first' elections.

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

Should we ban snack bars from neighbourhoods where residents are overweight or have diabetes? At the Common Sense about Health knowledge festival, scientists, civil servants and other professionals discussed how South Holland can become healthier. The Healthy Society Map makes it clear where there are…

In the spring of 2024 the Faculty of Archaeology welcomed a new postdoc. Dr Adam Benfer, originally from the United States, occupies a double position as a researcher in the project of Alex Geurds and as the Faculty’s Data Steward. ‘It is pretty much what the title says: I steward data. Essentially,…

How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

Exploring the largest structures in the universe by looking at the tiniest particles? Lydia Stofanova, PhD candidate at Leiden Observatory and SRON Netherlands Institute for Space Research, dives into this intricate connection. In her PhD research, she explored how elements like oxygen influence the…

A The Hague-based project is aiming to tackle teacher shortage and socioeconomic inequality reflected in primary education – and the objective is to do so while helping schools face the challenges imposed by the Covid-19 pandemic in the Netherlands. Higher education students are joining hands with primary…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

In the next decades, thousands of wind turbines will be added to the North Sea. Environmental scientist Chen Li identified the most beneficial areas for their construction, focusing on material use, carbon footprint, and environmental impact. His paper was published in Environmental Science & Techno…

The skateboarding world was highly enthusiastic about the participation of skaters in the Olympic Games in 2021, although there was also a lot of opposition. Researcher Sander Hölsgens observes that the discussion has now abated and that the Games have had positive effects for skateboarders and citi…

An all-optical transistor, a molecule-sized sensor and a new kind of single-photon source for quantum communication. All dreamed applications of fundamental physics that are one step closer thanks to Robert Smit. On 12 June, he defended his PhD thesis with distinction.

Humans and bonobos show striking similarities as well as differences when they see pictures of conspecifics. Both are more interested in photos of conspecifics that show emotion. But while our human attention is more easily drawn to photos of family members and friends that express certain emotions,…

X-ray and CT scanners are widely used devices in research, diagnostics and the industrial sector. And yet they are not nearly as fast and accurate as we would like. Mathé Zeegers is researching the newest technique in the field at the Centre for Mathematics and Computer Science: spectral X-ray imaging.…

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

In the ‘Educatips’ column, Psychology lecturers share their most important insights about teaching. This month: Ambra Brizi uses AI to encourage students to reflect and think more critically. ‘What are the limitations, and what is the potential of this technology?’

The 'Groot Nederlands Student Kampioenschap' student games have been held for the first time in two cities, Delft and The Hague. To make this happen our Campus The Hague worked together with The Hague University of Applied Sciences and Inholland University of Applied Sciences. Three students look back…

Dr Maikel Kuijpers, a staff member at the Faculty of Archaeology and a guest researcher at the Centre for Environmental Sciences (CML), is participating in an exploratory interdisciplinary study on the Chinese Belt and Road Initiative (BRI). Made possible by a Seed Fund of the Leiden University Global…

Organisation, Social

The UK has recently been facing racist violence outbreaks. Tahir Abbas, Professor of Radicalisation Studies, discusses this in an article on Hyphen.

University lecturer Andrew Gawthorpe argues in The Guardian that the Republican's new agenda for a second Trump term is more radical than the first. He says that they seek to take control of federal agencies by replacing civil servants with ‘American First footsoldiers’.

On 15 June 2022 Professor Anthropology of Sustainability and Livelihood Marja Spierenburg was one of the invited speakers at the round table in the House of Representatives of The Netherlands.

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Hunter-gatherers acquire their food through complex gender-specific foraging techniques for a relatively stable and diverse supply of energy. New research indicates that this specialisation by boys and girls starts at a very young age. Most likely, this enabled the human species to evolve much larger…

Researchers from the Leiden University Medical Center (LUMC) have successfully used stem cell gene therapy to treat a baby with the severe congenital immune disorder SCID. An important milestone: it is the first time stem cell gene therapy of Dutch origin has been administered to a patient, and also…

Between 6 and 9 June, you’ll be able to vote in the European elections. But what can you expect from these elections? What are the most important topics on the European agenda? And why should you even vote? Students from the European Law master’s specialisation explain.

Honduras recently severed diplomatic ties with Taiwan after 82 years. In doing so, the country is following the trend of other Central American countries that have turned their backs on the Asian island in recent years. Why are these countries making this choice now and what does it mean for Taiwan's…

'Academics who share their knowledge with the outside world on social media are often insulted or even threatened. Especially female academics and academics of colour seem to regularly be the victim of sexist and racist comments.' This is what Ineke Sluiter, Professor of Greek Language and Literature…

It has already been a huge success in The Hague, and now the Lipsius building has one, too: an Acts of Kindness pillar. The official opening took place on Tuesday 20 September.

Personality is genetic in zebrafish: risk-taking parents have risk-taking children. These are the findings of research by Christian Tudorache and his team published in BMC Neuroscience.

Education

How do you explain loss, social inequality or mental health to children without losing sight of the gravity of the subject? The new Honours course From Research to Children’s Book, taught by Annelies van Bentum, challenges students to make complex academic themes accessible through the medium of children’s…

The New York Times quotes university lecturer Fenneke Sysling in an article about the return of the ‘Java Man’ Bones.

Do all graduates in the humanities pursue a career in education? What does support for incoming students look like in Leiden? And what makes a language study so enjoyable? These and more questions were answered during an information session organised specially for twenty deans from West Brabant.

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

What do you do with a museum collection full of individual white Nobel laureates at a time when diversity, inclusion and teamwork reign supreme? Ad Maas, professor by special appointment, and researcher Hilbrand Wouters have been awarded an NWO Museum grant to answer that question.

ICT, Security

With an off-the-charts number of downloads, outstanding media coverage, and more than 300 tweets, a small team behind the Scientific Reports article led by a Leiden PhD Igor Djakovic is living every researcher’s dream.

The Economist published an article about a working paper about the effects of democratic elections on satisfaction with democracy. The paper was written by Dimiter Koshkov, Associate Professor at the Institute of Public Administration and Honorata Mazepus, Assistant Professor at the Institute of Security…

Following a highly successful first edition, we are delighted to announce the second Leiden eLaw Summer School on ‘Regulating AI in the EU Digital Market’ taking place from 23 to 27 June 2025, both in person in Leiden and online.

Four prints, ten years of research. Not that she got bored of them, on the contrary. Corrie van Maris, who receives her PhD this week, has always remained fascinated by her 17th-century series, for which she feels so much love. ‘I kept seeing different, new things.’

What started as an idea during a social gathering led to an unexpected breakthrough in research on resistant bacteria. Biologists and chemists from Leiden developed a new substance that proves to be effective against bacteria resistant to antibiotics. They published their discovery in Nature Chemist…

With the red flag flying proudly on the Academy Building (Leiden University was on strike for the first time in its history!), the farewell event for former dean Mark Rutgers was held in the Telders Auditorium. After eight years, he has passed the baton to the interim dean, Henk te Velde.

Police killed Eric Garner 9 years ago (‘I can’t breathe’) when he resisted a search. Now everyone will consent to stops and searches. Law Professor and author Josephine Ross looks to feminism: what police call consent, feminists would call submission. During the lecture on Wednesday 31 May, Josephine…

Rainbow flags, funky sounds and drag queen Petty Libel: the very first Canal Pride Leiden has become reality. Leiden University joined the parade with a packed and buzzing boat. ‘The Leideners were really supportive and gave us a great response.’

A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…

Americans are electing a new president in November but they also have other choices to make in the polling booth. Alumnus Sanne Rijkhoff works at a Texas university and is trying to help make students more aware of the elections.

In the Port of Rotterdam, tiny industrial pellets leak into the environment, causing a form of pollution that’s hard to trace but highly persistent. Three students of the LDE Sustainability Honours Programme took on the challenge to identify sources of this pollution.

Hwæt! You've heard of the adventures of the mighty Beowulf. You've heard of the brave folk standing beside him, and the awe-inspiring foes standing against him. But where their legend still lives, their tale ended long ago... Let us begin a new saga, let us find new heroes, weave a new story - by the…

‘Men must make way. GroenLinks–PvdA voters are sending at least three additional women into the House of Representatives through preferential votes,’ Trouw headlined this week. What would happen if we allocated all seats on the basis of preferential votes? And would we see differences between the pa…

In an article by the New York Times, cultural heritage law specialist Evelien Campfens discusses the difficulties surrounding the ownership of looted art.