What is the environmental impact of the fish on our plates? And is an electric car really more sustainable when we include the generation of electricity? Jeroen Guinée maps the environmental impact of products and technologies. He analyses them from raw material to waste disposal. He was appointed Professor…

'Writing is not science, but art,' Lucas van Osenbruggen says. Last semester, he attended the Honours Class 'Creative Writing'. Together with his teacher Pauline Slot, he looks back on a course that is 'really different'.

Gaan vaders minder werken als andere vaders dat ook doen? Helpt betaald ouderschapsverlof hen om meer op te pakken in het huishouden? Hoe bepalend zijn sociale normen voor verschillen op de arbeidsmarkt? Onderzoeker Max van Lent gaat het uitzoeken.

This summer, the COBRA Museum will be focusing on Moroccan art. 'The other story' exhibition presents for the first time Moroccan modernism in the Netherlands. The Netherlands Institute Morocco (NIMAR) contributed to its exhibition

For hundreds of years, children in Ancient Egypt learned to read using The Satire of the Trades, a text in which a father gives advice to his son through descriptions of different professions. PhD candidate Judith Jurjens investigated how this worked in practice.

An event where students from all honoursprograms meet, learn from each other and gain inspiration. That is the idea behind the Honours Conference, which took place at the end of February in the Old Observatory. The theme of the afternoon: why listening pays off.

PhD candidate Daniël Gomon has developed statistical methods that could significantly improve research in fields like medicine and demography. ‘Mathematicians don’t like unrealistic assumptions,’ he says. Gomon will defend his PhD thesis on 19 June.

Corona travel restrictions and increased political pressure: research into China has become considerably more difficult in recent years. University lecturer and China researcher Rogier Creemers does not let this put him off. He receives an NWO grant to screen policy documents using digital technique…

How do organs work in the body, and how can we create mini-organs to study diseases and test new medicines? That’s the idea behind organ-on-a-chip technology. During his PhD, Flavio Bonanini worked on developing the best possible mini-livers. ‘Make them as simple as possible, and as complex as neede…

As the father of a family with four children, he already visited the Hortus regularly. Now Tom Schreuder also comes there for his work. Every day he travels from Lisse by bike. The new Director Operations calls it a ‘perfect match’.

What do climate change and traditional Japanese music have to do with each other? A great deal, university lecturer Andrea Giolai suspects. He has been awarded an NWO grant to study the relationship in more depth.

Hoe kan het dat universele mensenrechten wereldwijd niet hetzelfde in de praktijk worden gebracht?

On Wednesday, 21 February, a diverse group of students, staff, and representatives from 21 embassies gathered in The Hague for International Mother Language Day. Under the banner of 'a bit of fun and many serious topics,' language took centre stage.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

We talk too little about silence, thinks university lecturer Gerlov van Engelenhoven. He has been awarded a Veni grant to investigate the role of silence in protest movements. Does silence sometimes really say more than a thousand words?

Leiden artist Jos Agasi gets to create the artwork for the atrium of the new Gorlaeus Building. His work was chosen from several entries and will be a real eye-catcher in the building. The artist has a fascination for light and uses it to create works of art with all kinds of materials, objects and…

When discussing the history of Islam, the focus is almost always on the history of the Sunni majority. University Lecturer in the history of Islam, Edmund Hayes wants this to change. His new ERC-funded project , focuses on the development of the early Shia community.

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

What can you learn about Bangladesh that cannot be found on Google? On 24 September, bachelor students of International Studies and Southeast Asian Studies were given an answer to that question. In a well-filled lecture room, the ambassador of Bangladesh, Riaz Hamidullah, gave a lecture about his co…

Grondstoffen werden vroeger over duizenden kilometers afstand vervoerd. Waarvoor werden ze geruild en waarom sloten mensen in West-Azië zich aan bij deze handelsnetwerken?

Professor Peter Bisschop has been awarded an ERC Advanced Grant. He will invest the 2.5 million euros in his research into puranas: ancient texts, commonly written in Sanskrit, that are up to fifteen hundred years old.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Why doesn't the Surinamese resistance hero and independence fighter Anton de Kom have a memorial site in his former hometown, The Hague, while there are streets named after colonial leaders? The students of university lecturer Anne Marieke Van der Wal-Rémy are committed to the erection of a statue.

‘Wonder is the beginning of insight. Don’t let that academic curiosity erode.’ This was Jan Anthonie Bruijn’s call to administrators and funding bodies in his valedictory lecture.

From 11 to 17 September, Leiden will be all about art and science. What can the combination of these two domains do for us? And how can cooperation between them be strengthened? Several public events and a brand new symposium for specialists should answer these questions.

Portraits that gaze at you and have moving stories to tell: HEAR ME NOW says what usually remains unsaid.

Showing your face at dinners and parties at court: it was the way to get noticed by the king in William I's time. Joost Welten's latest book reveals how, during the reign of William I, the elite danced around his throne both literally and figuratively.

Lack of manliness, avaricious or too imaginative. These are just a few of the accusations with which British scientists discredited each other over a hundred years ago. PhD candidate Léjon Saarloos researched British scientists around the year 1900 and their idea of what makes a good - and therefore…

Doing your taxes, Netflixing or driving a car: more and more daily activities are supported by computer applications. It is challenging and expensive to test software thoroughly, leading to errors in most applications. PhD candidate Benjamin Lion made a mathematical framework to deal with this problem.…

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.

A new chair has been added to the partnership between Leiden University and the Royal Conservatoire The Hague. Richard Barrett has been appointed Professor of Research in Creative Music (ACPA) as of 1 December 2020. 'For me it is important that music and academia are not placed in an ivory tower.'

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Two thousand years ago, the Middle East found itself caught between the rise of the Roman Empire in the west and the Parthian Empire in the east. PhD candidate Nolke Tasma has been awarded an NWO grant to investigate how local inhabitants experienced these changes.

A cover over your drink in the pub, deodorant as pepper spray or headphones to avoid hearing catcalling: many women use everyday objects to feel safer in public spaces. Student Anne van der Linden made an online exhibition about this.

Een kort filmpje over inclusie van migranten vermindert vooroordelen minstens drie maanden. Maar mensen ervaren fysieke stress als zij conservatiever tegenover migranten staan dan de groepsopinie dicteert. ‘We moeten mensen aanmoedigen, niet confronteren.’ Sociaal psycholoog Feiteng Long promoveert…

Leiden astronomy Master's student Arend Moerman has received an A+ for his thesis research on the simulation of chaotic interactions of three black holes. The simulations, which he carried out together with his Leiden and Oxford colleagues, show that lighter black holes tend to slingshot each other…

The European Research Council (ERC) has awarded an Advanced Grant to six Leiden researchers. It awards these significant grants to established principal investigators for ground-breaking, high-risk research.

Another year has reached its end. And what a year it has been! On December 4th staff and students of the Faculty of Archaeology came together to celebrate and reminisce. The event's central topic was the end of Jan Kolen's term as Dean. Martina Revello Lami moderated the event.

Early July was the graduation ceremony of the Leiden Leadership Programme,: a moment to reflect and celebrate the outcomes of eight months’ hard work. Leiden’s Marekerk was filled with colourful music and some wise pieces of advice: ‘Find the path that suits you best.’

Kohei Suzuki, Assistant Professor at Institute of Public Administration, was interviewed by Infobae about loneliness in Japan and the role of government and society.

Leiden PhD candidate Mona Shahab climbed Mount Everest two years ago to raise money for the education of disadvantaged children in Egypt. She made it to the top and posed there with the University flag. She recently presented the flag to Rector Carel Stolker.

Words originally intended to indicate space, such as ‘out’, are also regularly used to indicate cause and effect. Why does this happen? And how does it work in other languages? PhD candidate Camil Staps decided to find out.

The Faculty of Humanities’ On-Campus Master’s Experience Day was a pleasantly busy event. The information sessions and corresponding information market went down well with interested undergraduates.

After a three-year absence, Lennart Kruijer has returned to the Faculty of Archaeology. He previously completed his PhD within the VICI project Innovating Objects, and now returns as a postdoctoral researcher in the Anchoring Innovation programme.

The first global safety summit on Artificial Intelligence is a fact. Prime Minister Sunak organised the conference because he believes that the issues related to AI can only be dealt with by governments. But the real issue with AI remained undiscussed at the summit, Reijer Passchier claims in Dutch…

Edmund Flett, alumnus of the International Relations master's programme, has won the 2023 J.C. Baak Prize for his thesis ‘Settlements now, settlement later. Land swaps, settler relocation, and the viability of the two-state solution in Israel-Palestine’.

Leiden Law School and the Grotius Centre for International Legal Studies are very pleased to announce that Dr. Mamadou Hébié will be re-joining the Grotius Centre on the 1st of May 2021.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.