Sometimes student life merges rather smoothly into a working adult life. This is the case for Boris Kowalski. At International Studies, he chose Russian as his language and Eurasia as his region of specialisation, he obtained his Master’s degree at Oxford in Russian and Eurasian studies, ended up in…

Immunologist Leender Trouw specialises in the complement system, which is part of the immune system. In some diseases drugs help activate or inhibit this system. This is best done ‘in the right place at the right time’ − the title of his inaugural lecture.

While all European nations have condemned the Russian invasion of Ukraine, there is one country Russia can still count on: Belarus. Russia even used its territory as a stepping stone for the invasion. We spoke with Matthew Frear, Assistant Professor and expert on contemporary Belarus, to shed light…

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

A group of astronomers was actually examining the dust disc around the young double star CS Cha, when they saw a small dot on the edge of their images. It turned out to be a small planet of only a few million years young, which moves along with the double star. Whether it is a super-Jupiter in the making…

A fragmented political landscape, permanent pressure from current affairs and an increasingly political civil service: our government faces many challenges. This makes it all the more difficult to make important decisions about pensions or the climate. Research and good education can help meet the challenges…

The Reformed Church removed preacher Caspar Coolhaes - Leiden’s first Professor of Theology – from office because of his advocacy of tolerance. PhD candidate Linda Gottschalk sheds new light on this controversial preacher.

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Alejandra Roche Recinos, originally from Guatemala, will strengthen the Faculty’s expertise on the archaeology of Central America. ‘I want to explore the lesser known archaeology of Southern Guatemala.’

Hemin Hawezy, a political & international government adviser, has started as a dual PhD candidate at Leiden University. Bram Klievink and Toon Kerkhoff are supervising his research on the organisation of digitalisation in government; a good example of transdisciplinary collaboration.

Microneedles are a promising tool for the painless administration of vaccines through the skin. But, are these minuscule needles really effective? PhD student Pim Schipper of the Leiden Academic Centre for Drug Research investigated various factors of vaccination via the skin and discovered, among other…

A former employee of Leiden University breached academic integrity. This is what the Academic Integrity Committee (CWI) of the University concludes in its advice to the Executive Board of the University on 11 November 2019. The Executive Board has taken various steps.

A truly special moment in the Senate Chamber of the Academy Building: the portrait of Professor Judi Mesman has been unveiled. 'Leiden University only reserves places in this chamber for its foremost scholars, and you are certainly one of them,' said Rector Magnificus Hester Bijl.

Two directors. Both professors of mathematics, but one of them is a biologist. One comes, and the other goes. Roeland Merks will succeed Arjen Doelman as director of the Lorentz Center in September. What has been accomplished and what are the plans? And above all, what makes the Lorentz Center so un…

It is a warm day. The sun is shining brightly while biologist Marco Roos makes his way through the bushes towards a peculiar little plant. Insects buzz, birds chirp. In the background rises the LUMC: at the Bio Science Park in Leiden, people and nature come together in a special way.

An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.

Willem te Beest, Vice-Chairman of the Executive Board, is retiring on 1 May. His farewell was celebrated in style in the Pieterskerk on 7 April. And, to his surprise, the celebrations included a royal decoration.

The left is gaining more and more ground on the political map of Latin America, with the elections in Colombia as the most recent example. But what’s behind this pull to the left? Professor of Modern Latin American History Patricio Silva talks about the current political situation in the region.

Herman Spaink knows of many substances that may help combat tuberculosis. Lab space to study them safely is very limited in Leiden. A brand-new lab at Universitas Gadjah Mada in Indonesia will soon provide a solution. About time, says Spaink, ‘The disease is on the rise and is becoming less sensitive…

We are pleased to announce a call for papers for a workshop within the project 'Human Development and Its Outliers' on 26 and 27 March 2026 at Leiden University.

‘By cleverly combining new techniques for analysing DNA at the level of individual molecules, we can achieve real breakthroughs in research into conditions such as dementia,’ predicts Professor John van Noort. Together with four leading biophysics research groups, he has written a review article in…

The course Designing Your Life helps students navigate their career pathways. As it turns out, these pathways are full of twists and turns and - as with many journeys - you only make progress once you gather the courage to take the first step.

During the Bachelor Honours Class ‘The world is quantum’, students from various disciplines learned about the rules of nature on the smallest scale: quantum mechanics. What opportunities and dangers do they see for their field of study?

How can universities and research institutions, businesses and government bodies in the Leiden region drive ‘broad prosperity’?

How can we hack prejudice about age and ageing out of the recruitment process? That was the question data scientists, psychologists and HR professionals tackled during the AnyAge.AI hackathon. 'AI can actually be used to increase fairness in recruitment.

The COIn grants enable researchers to improve the infrastructure for their research. The four initiators of two projects explain how the grant has helped them.

Dr Mariana Françozo has been awarded a prestigious NWO Vici grant for a five year research project that brings together Indigenous communities, museum collections and interdisciplinary scholarship. Her project focuses on the histories and contemporary challenges of two Indigenous peoples in South America:…

Can cognitive decline in people with Parkinson’s disease be measured using digital tests at home? According to an interdisciplinary team of researchers, the answer is yes. They investigated this with a Kiem grant from Leiden University.

Leiden researchers have discovered a surprising new way to shape and control tiny droplets of molecules found in living organisms. The breakthrough could lead to smarter biomaterials, improve drug delivery and even new insights into the emergence of life on Earth. The work was published in Nature Co…

How do you detect life on a planet light years away? During her PhD research, astronomer Willeke Mulder worked on an instrument to detect such signals – culminating in an experiment from a hot air balloon.

Preventing viral infections from being transmitted through blood transfusion and organ transplantation lies at the heart of the work of medical microbiologist and virologist Mariet Feltkamp and her team.

Why would someone choose to learn a language like Arabic? For Wessam Semida, teacher at the Academic Language Centre (ATC), the answer goes far beyond grammar and vocabulary. 'It really opens your perspective on life,' she explains. 'Language is a key to understanding people, cultures, and different…

The days of an archaeologist studying soil traces with a shovel in hand seem to be numbered. Digital archaeologists will soon launch the first version of software capable of carrying out a virtual excavation.

Crime victims cannot always fully exercise their rights, said Maarten Kunst, Professor of Criminology, in his inaugural lecture on 26 October. His mission is to find out why exactly this is and to see whether change can be brought about.

Half of all people with cancer in the Netherlands are aged 70 or older, and as the population continues to age, this number will only rise. Yet vulnerable older people with cancer are often overlooked, says PhD candidate Joosje Baltussen.

Assistant professor Max van Duijn is the new chair of The Young Academy. He aims to support young academics, bring research closer to society and make academia more resilient.

Sang-Ah Yoo is a freelance journalist and is following the lateral entry programme Dutch at ICLON Leiden University. She enjoys showing students what language can do for you.

During the Summer School Science Communication, you will learn everything about science communication.

In the Netherlands, euthanasia has no longer been a criminal offence since 2002. The practice is governed by very strict conditions. Nonetheless, the legal issues surrounding it are still the focus of heated discussion, according to Leiden professors. They are discussing the issue on 18 March during…

In January 2024, Bachelor’s student in Law Beaudine Slijper left for Vancouver to spend a semester studying at a Canadian university. We asked her what it’s like to study at a foreign university and how you can arrange an exchange.

A better balance between teaching and research duties, greater recognition of team performances and the elimination of simplistic assessment criteria. The ‘Academia in Motion’ paper published by the Leiden University Recognition and Rewards describes the main problems with recognition and rewards in…

There is something strange about that new student Angela Ignatius. She is brilliant, helpful and always available. She summarises teaching materials, helps with assignments and is even willing to write your thesis for you. But to what extent do you let her? It’s the big question in this – sometimes…

The debate on migration and criminalisation concerns everyone from citizens and policymakers to academics. The Crimmigration in an Age of Authoritarian Drift conference in Leiden in July aims to offer new insights and encourage collaboration. Artists are playing a key role.

Als jazz-zangeres maakte alumnus Vivienne Aerts internationaal furore. Als docent gebruikt ze haar studie Psychologie om musici beter om te laten gaan met stress. Met chocoladekunst steunt ze Congolese vrouwen. Wat drijft haar?

In nearly every Dutch primary and secondary school classroom, at least one child is bullied. The common perception is that the most popular child in the class is often the bully, while less popular children are more likely to be bullied. Is this image accurate? Bullying researcher Mitch van Geel knows…

Protest is a human right and an important way to hold the authorities to account. But how does the right to protest relate to academic freedom and the right to education?

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