What defence strategy should the Dutch government adopt for the next four years? Our experts advise investing in social resilience, strengthening ‘soft power’ and integrating defence awareness into education.

Thijs Bosker, Associate Professor of Environmental Sciences at Leiden University College (LUC) and the Institute of Environmental Sciences (CML), has received funding as part of a large consortium to study the impacts of microplastics on agricultural soils. The project will receive 7 million euro of…

In her inaugural lecture Susanna Linberg will ask how philosophy should respond to global warming.

In a world increasingly shaped by conflict, it becomes ever more important to create space for empathy, understanding, and informed public discourse. That is the intention the Shelter documentary and immersive installation aims to achieve as it arrives at Leiden University.

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Microorganisms that temporarily ‘go to sleep’ play an important role in the evolution and survival of a population. Mathematician Shubhamoy Nandan conducted research on the effect of this characteristic called ‘dormancy’ in a novel mathematical model.

More CO2 in the atmosphere is making food crops more calorific, less nutritious and potentially more toxic.

The new University Sports and Exam Centre is another step closer. Bigger sports and exam halls, plenty of room for meeting people, an open feel that integrates with the Campus Square and the sports fields, optimal acoustics and an uncompromisingly sustainable building with a green facade and solar panels.…

There are more molecules that could conceivably be candidate drugs than there are stars in the universe. How can we ever efficiently identify those molecules? Professor of AI and Medicinal Chemistry, Gerard van Westen: ‘I’m going to use artificial intelligence as the co-pilot to make an automated search.’…

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

Every year, an NWO PhD in the Humanities grant is awarded to a prospective PhD candidate at the Faculty of Archaeology. This year, the grant went to Maia Casna, enabling her to study respiratory disease in the past. ‘My hypothesis is that the rapid formation of cities in the medieval Netherlands, must…

Genetically modified organisms (GMOs) could be useful allies in the fight against critical environmental problems. Could because the use of GMOs is strictly regulated at the moment. A Leiden student team is now trying to make these GMOs safer with the aid of an ingenious lock.

Over the past year, historian Fenna IJtsma delved into 'four centuries of historical greenery'. As part of the Heritage Deal, with input from biologists at Naturalis and others, she looked for inspiration and examples from the past to contribute to a future climate-proof city centre.

Het Leids onderzoek naar gedwongen uithuisplaatsingen van kinderen heeft veel stof doen opwaaien. Op een congres bespraken meer dan 250 mensen het onderzoek verder om zo de situatie voor ouders en kinderen in de toekomst te verbeteren.

During the panels, alumni from all 4 FSW study programmes (Cultural Anthropology, Education and Child Studies, Political Science and Psycology) will share their experiences in their field of work. Each panel will focus on one field of work and will host 4 alumni, one from each FSW study programme.

World Heritage status comes at a cost to the local population’s human rights. PhD Candidate Sophie Starrenburg explains the drawbacks of poetic terms such as ‘the cultural heritage of mankind’.

What are the main trends in family life today? Three stand out: young adults living with their parents for longer, people delaying parenthood and widening inequality between families. How did these trends emerge, and what are their consequences? Leiden experts explain.

Children and young people feel the government is not listening to them during the coronavirus pandemic and this is a cause for concern in light of international children’s rights. This is the conclusion of a recent report by a research team from Leiden University on how children and youngsters have…

Minister Dijkgraaf van onderwijs wil het aantal internationale studenten terugdringen. Maar mag Nederland dat wel? En zo ja, is het ook wenselijk? Deze vragen behandelde Mark Klaassen, universitair docent bij het Europa Instituut, tijdens de slotbijeenkomst van het Honours College Law op 12 juni.

The ‘Dilemmas of diversity’ research project is to receive a subsidy of 1.8 million euros from the National Research Agenda (NWA). Coordinator Marlou Schrover will be examining the diversity policy of Dutch cities in the present, past and future, together with 37 societal partners.

The biographer of Leiden University, Willem Otterspeer, has a new book out. In ‘De stad, de dood en de dichters’ (The City, Death and the Poets) he combines his love for the University and poetry with autobiographical reflections. ‘With my magnifying glass I discovered yet more new details in the pr…

Since 2009-2010, the West viewed China as more assertive. Especially after Xi Jinping came to power in 2012, the country abandoned Deng Xiaoping’s ‘low profile’ foreign policy. Friso Stevens explains in his dissertation where this change has come from. The dissertation defence is on 28 March.

Legal philosopher Bart Jansen teaches at universities around the world. In an interview two years ago, he spoke about his professional fascination for dictators and wars. Since then, the world has undergone major changes. High time for a follow-up interview.

The university's CO2 footprint - a visual representation of Leiden University's environmental impact - is calculated every year. The CO2 footprint for 2020 shows a striking break in the trend in terms of energy use, mobility and waste.

By means of a presentation, a panel discussion, and activities in the fresh air, the event themed ‘Environmental Humanities’, organised by the Honours College Humanities, managed to unite both people and disciplines. ‘There is a gap between humanities and sciences, but they are more alike than you might…

Gijs Zebregts had just graduated from International Studies when he was stricken with acute leukaemia. A stem cell donor brought relief. Now he is going to cycle from Florence to Rotterdam to raise money and awareness for the donor bank.

Halfway through his career alumnus Marc Tijhuis made a radical change: he left the corporate world to join the global battle against waste with the International Solid Waste Association.

Opponents of drastic nitrogen measures argue that the nitrogen calculation model is not reliable enough. Nitrogen professor Jan Willem Erisman: 'It is now much more important to discuss the choices we make on the basis of the outcome. The differences are much bigger than the uncertainties in the mod…

From a meaningless block of plastic to an advanced component that contributes to the energy transition. The technicians and scientists of our faculty think it out in detail and make it a reality. This special project shows that they need each other.

On the eve of Leiden University’s 450th anniversary, the 1574th and 1575th Honours College students received their honours certificates. In a crowded Scheltema, people celebrated ‘that so many students have had the opportunity to broaden their horizons.’

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

With a single sample of water or soil, researches can analyse the DNA of everything that is living in that environment. During her research, PhD candidate Beilun Zhao discovered a way to analyse not only the kind of species, but also the age of the species in a water sample. The method showed its first…

On Friday 9 July 2021 the graduation of the two-year Advanced MSc International Relations and Diplomacy (MIRD) programme took place in the Academy Building in Leiden. The ceremony was opened by Professor Madeleine Hosli.

Professor Caroline Vout, Cambridge University, was awarded the Leiden University Byvanck Chair in 2020. In a pre-Covid-19 world, the Byvanck Chair would stay in Leiden for seminars, lectures, and research activities. Instead, the pandemic disrupted this schedule. Last month, Vout taught her masterclass…

Graduation MIRD Class of 2024: 'The world is better off with students like this'

On Friday 29 August 2025, 370 students received their Bachelor's degree in International Studies. The diplomas were awarded in the historic setting of the Pieterskerk in Leiden. Family members, friends, and staff gathered to celebrate this joyous occasion with the graduates in a packed Pieterskerk.

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

The way the great masters of the sixteenth and seventeenth centuries learned to draw is more similar to a present-day drawing class or book than you might think. Professor of ‘Art on Paper and Parchment’ Yvonne Bleyerveld tells us about the art of copying and model books.

From memorials to the armed forces to memory stones for individual victims. It was only later that the Holocaust took a central role in Western remembrance culture, Cleveringa Professor Frank van Vree notes. ‘Nationalists and human rights activists both invoke the experience of the Holocaust.’

Do you also love a city where nature can bloom, crawl and flutter freely and exuberantly? And do you fancy a challenge out in the fresh air? If so, grab your mobile and take part in the BioBlitz 'Higher Education is Flourishing' from 22 May.

How is Young Star Renske Donkers doing now? Early this year she was the second person ever to win the Young Star Award for the best bachelor student. After her bachelor Molecular Science & Technology, Renske is now busy with her master Chemical Process Engineering in Delft. ‘This award was a great boost…

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…

'The kind of knowledge you gain in International Studies can take you anywhere,' says Gaby van de Wal (26, The Hague, The Netherlands), who graduated from the programme in 2018. Her own career path is proof that indeed, an International Studies degree comes with many opportunities.

Music lovers are welcome at this free open-air concert celebrating 450 years of Leiden University, on Sunday 6 July. This special jubilee edition of the Rapenburg Canal Concert will feature a unique orchestra made up of our students, staff and alumni, performing on a floating stage.

Imagine we could do what green plants can do: photosynthesis. Then we could satisfy our enormous energy needs with deep-green hydrogen and climate-neutral biodiesel. Scientists have been working on this for decades. Chemist Chengyu Liu will receive his doctorate on 8 June for yet another step that brings…

Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Building took place on 8 October, and it has many remarkable features: for example, recycled ‘mushroom columns’, a pedestrian bridge to the University Library…

Give organisms like plants and animals the freedom to move, interact and meet their own needs, and they will thrive on their own, says Professor Geert de Snoo. Our interference often ends up doing more harm than good.

Many intelligence services have an outdated view of the world while the threats they should protect us from are becoming more complex. Serviceman and researcher Bram Spoor warns that NATO and member state intelligence organisations cannot always predict the dangers.