He announced this news in a tweet earlier this month: 'Delighted to announce that I've been appointed Full Professor of Global Security and Technology'. So let's get more closely acquainted with Dennis Broeders (46), who explains why the Institute of Security and Global Affairs (ISGA) is ideal for him,…

Elephants ranged over Schöningen in Lower Saxony 300,000 years ago. In recent years, remains of at least ten elephants have been found at the Palaeolithic sites situated on the edges of the former opencast lignite mine. Now, a collaboration of archaeologists from University of Tübingen and the Lower…

How can you figure out which points lie on a certain curve? And how many possible curves do you count by a given number of points? These are the kinds of questions Pim Spelier of the Mathematical Institute studied during his PhD research. Spelier received his doctorate with distinction on June 12.

Philosophy lecturer Victor Gijsbers has been awarded the 2017 Faculty Education Award. The Faculty Education Award is given each year to the Faculty’s most inspiring lecturer. After attending one of Gijsbers’s lectures, the jury said it was impressed by his energy and dry humour.

Laura Kamsma, Head of the International Office of our Faculty kept a travel log during her visit to the EAIE conference. You can read her report here.

An article by Bert Fraussen, Adria Albareda, Caelesta Braun, Moritz Muller & Erin Sullivan, published as a three-part blog series.

How do you tell your professional story? This formed the basis of the Personal Branding workshop for young alumni at PLNT, the Leiden Centre for Innovation and Entrepreneurship on 22 July. Forty-five alumni came along.

Which plant species grow where - and why? In a new study in Nature Ecology & Evolution, an international research team presents the world's first global vegetation database which contains over 1.1 million complete lists of plant species for all terrestrial ecosystems. Leiden professor of Environmental…

The start of the renovation of Cluster Zuid was a long time coming, but the moment has finally arrived. On Wednesday 8 June, Dean Mark Rutgers, accompanied by the contractor Constructif, symbolically marked the start of the demolition and reconstruction works by demolishing part of the roof.

Research on papyri has provided new insights into the history of the origins of Islam. Petra Sijpesteijns’s book,'Shaping a Muslim State', is based on these ancient Arabic letters and documents. Her new research on a Viennese collection of untranslated papyri is expected to produce more discoveries.

Hans Ulrich Scherer is Professor of Rheumatology, in particular Translational Rheumatology. He wants to build bridges between research and clinical practice and between departments and organisations at home and abroad. Scherer will give his inaugural lecture next Friday. ‘To make progress, we have to…

On a sunny Saturday afternoon in May, twenty-five bright international students gathered in the Old Observatory to celebrate their graduation of the International Leiden Leadership Programme. A tour of the Sterrewacht and the ‘borrel’ made for a nice completion of the Honours programme.

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…

Few researchers see potential in research on glioblastoma, an incurable brain tumour. Alexander Kros brought together colleagues who are up to the challenge. European research funder ERC recently made 10.6 million euros available, a year earlier NWO provided 3 million euros. ‘In six years, we certainly…

Jeroen Zwemmer’s student days in Leiden ended in 2023, after completing two bachelor’s degrees, a master’s, a student board year, and an exchange semester. Now, he’s a legal policy advisor at a Dutch government ministry.

During the New Year’s reception of the Faculty of Social and Behavioural Sciences (FSW) on 12 January 2026, Sarah de Rijcke said farewell as our dean. She will become the new Rector Magnificus of Leiden University. It was not the only change of leadership announced that afternoon.

Current electrochemical theory does not adequately describe realistic platinum electrodes. Scientists at Leiden University have now, for the first time, mapped the influence of imperfect platinum surfaces. This provides a more accurate picture of these electrodes, with applications in hydrogen production…

What are the often invisible cognitive consequences of multiple sclerosis? Maureen van Dam mapped these out during her doctoral research. 'People usually notice the physical symptoms, but the cognitive symptoms deserve at least as much attention.'

Leiden Teachers’ Academy is proud to welcome six new fellows. They will share their expertise with the rest of the university and launch innovative education projects.

Inaugural lecture Marc Bruijnzeels

Quentin Bourgeois, Associate Professor of European Prehistory, will assume the position of Vice-Dean for Education at the Faculty of Archaeology of Leiden University as of 1 February 2026, for a term of four years. Quentin Bourgeois succeeds Alex Geurds, who became Dean of the Faculty on 1 January 2…

What do the cloth trade and slavery have to do with each other? Quite a lot, as it turns out, as by history student Sjoerd Ramackers demonstrated in his bachelor’s thesis. He reveals that cloth merchant Daniel van Eijs was closely associated with four plantations in Berbice, a former Dutch colony on…

Leiden researchers have found clues to why a rare pregnancy disorder is mild in some babies but life-threatening in others. Their discovery opens the door to a test that could identify severe cases during pregnancy. Fortunately, a treatment already exists.

How do children learn to see the world through someone else’s perspective? Max van Duijn, assistant professor at the Leiden Institute of Advanced Computer Science (LIACS), receives 24,167 euros from the Elise Mathilde Foundation and the Leiden University Fund (LUF). With this grant he will set up a…

Scientists have long been puzzled why it is easier to produce hydrogen from water in an acidic environment than in an alkaline environment. Marc Koper comes with an explanation: the reason is the electric field at the surface of the catalyst, which is larger in an alkaline environment, as he writes…

A new 5.7 million euro research project will ensure that lettuce will be more resistant to pathogens and climate effects and will grow better in new cultivation systems. Together with other Dutch researchers, Leiden biologists will map the characteristics and genetic information of 500 wild and cultivated…

Within just a few years, the Chinese government's policy towards the Uyghurs deteriorated sharply. From control and marginalisation, it shifted to violation of human rights. PhD candidate Elke Spiessens was right in the middle of it with her research. 'The fabric of the community is being completely…

Psychologist Hilmar Zech found that overweight people are actually more attracted to food pictures after eating than before. He did so using an old research method that he revamped for use on smartphones. Zech will defend his PhD on 30 April.

Professor Beatrice de Graaf held the 53rd Huizinga Lecture on Thursday 12 December. In front of a a sold-out Stadsgehoorzaal, she spoke about how history can be used in times of crisis to give meaning to the situation.

For three years, Wouter Schuit enjoyed studying Technology, Policy and Management at Delft University of Technology - only to switch to a master's in Philosophy in Leiden after his bachelor's. 'In both, you learn to tackle a problem in a structured way.'

Woensdag 7 september bezochten de nieuwe eerstejaarsstudenten Rechtsgeleerdheid en Criminologie de Stadsgehoorzaal voor een College Tour met als thema: Strafzaken en de media. Presentatrice Annemarie Brüning, bekend van Hart van Nederland, ging hierover in gesprek met professionals uit het vakgebied…

How can we make clever use of new technologies to improve quality of life in cities? The answer is in the NL Smart City Strategy, which Mark Rutte officially received on January 25th. Three professors from Leiden University - Carolien Rieffe, Joost Kok and Wessel Kraaij - gave advice.

Do you gain enough practical experience in an academic language and culture study programme? Certainly, proved the bachelor students of Italian this summer. For the Transfer IT programme, they combined their own interests with the knowledge they gained during their studies. This resulted in vastly different…

Evidence that the right diet can prevent or alleviate depression is weak. In literature reviews on the subject, the authors often reach strong conclusions, nonetheless. This is what Florian Thomas-Odenthal, a master’s student in Psychology at Leiden University, discovered in his thesis research. Publication…

An impressive 875 students from all corners of the globe are taking part in Orientation Week Leiden (OWL). After all the lockdowns in their own countries, they’re glad to meet up in real life in Leiden. What do they expect of their studies here?

After having been cancelled in 2020, this year the Summer School in Languages and Linguistics is going online. From 12 – 23 July, language and linguistics enthusiasts from all over the world can once again learn about a variety of rare languages and linguistics topics. Director Sasha Lubotsky tells…

Our banking, DigiD and sensitive medical data: what if our entire digital infrastructure can no longer be trusted? Jelle Don has this question permanently in mind as he goes about his research. And that is no bad thing because without new digital security measures, our society will be extremely vuln…

During your studies you have to make a lot of choices. And there are so many possibilities, you sometimes can’t see the wood for the trees. Where do I want to do an internship? What are my options on the job market? Students Justin and Seif were also struggling with these questions, so they called on…

Leiden chemists discovered a new mechanism which might explain how multiple sclerosis shifts to a more severe form. Their findings contribute to unravelling the mysterious course of the disease. They have published their findings in the journal Biochemistry.

The League of European Research Universities (LERU) was launched in Leiden 20 years ago. This anniversary will be celebrated with a major conference (19 – 21 May) on an urgent theme: How does science contribute to sustainable and resilient societies? We put this question to Kurt Deketelaere, Secretary-General…

SRON Netherlands Institute for Space Research is moving. The headquarters of the institute will relocate to the Science Campus of Leiden University. In October 2019, the first pile was officially put into the ground; in 2021, the building will be ready for use. A first glimpse at the building that will…

Terrorism is not a successful communication strategy. After an attack, the attention quickly shifts from the terrorists to authorities and citizens. This is what Jeanine de Roy van Zuijdewijn argues in her dissertation: 'The aftermath: meaning-making after terrorist attacks in Western Europe'. ‘A year…

The master thesis: for many students it is a true crowning glory. Some theses are truly excellent. Those are rewarded with the FSW Thesis Prize. This year, this award was won by Roosmarijn Goldbach (master’s Psychology) and Matija Čuljak (research master’s Psychology), who respectively researched borderline…

No less than six Leiden projects received a grant for quantum research from the national growth programme Quantum Delta NL and the NWO. After all, in order to boost quantum technology not only industry is needed, but also science. Research towards new sensors, faster algorithms and quantum materials,…

Learning to cycle without a handbrake, saying sorry if you're late for a lecture and fathoming out the weird sounds of Dutch. Leiden's new international students get a crash course in Dutch culture during their introduction week.

When assistant professor Jiyan Ilbrink isn't working at the university, she can be found in her vegetable garden. On the plot of land around the corner from her home, she grows the most delicious tomatoes, zucchini, and potatoes.

What do you do when you never got the chance to sign your name in the Sweat Room after graduation? Alumni Brantly Hancock and Kent Moore from the U.S. emailed the alumni officer with a request and came back to Leiden two years after graduation, to finally sign: “It’s a good feeling!”

Leiden University is seeking bids from developers for housing in Nieuw Rhijngeest-Zuid, the Oegstgeest part of the Leiden Bio Science Park.

An internship at the Police Academy in Apeldoorn. This will be possible for the first time for third-year students of the bachelor's programme Security Studies as of September 2021, now that Leiden University and the Police Academy have joined forces. ‘The internships offer students a unique opportunity…

Cybersecurity doesn’t start with your first job – it starts with your first phone. According to Sofian Fesenko, a student of Crisis and Security Management (CSM), digital resilience needs to be built from a young age. That’s why he developed an educational card game to raise children’s awareness of…