Minister of Justice Dilan Yeşilgöz-Zegerius recently warned against

In November, Leiden organized a book presentation to celebrate the first Dutch translation of the collected works of the twentieth-century poet W.H. Auden. A poetry translation contest added lustre to the occasion. There were no fewer than three winners.

Workshop

Lecture

This section provides an overview of online tools for the study of the medieval Low Countries. The websites linked down below are often times both available in Dutch and English.

Many of our staff and students have won an award, received a grant, obtained an academic fellowship for their quality or have been socially engaged due to their specific expertise. See below for an overview per year.

Street theatre, drama, poetry and a lot of science: Leiden's Rapenburg was the backdrop for the fifth Night of Art and Knowledge on Saturday 16 September. Many University buildings - from the Observatory to the Hortus - opened their doors to artists, scientists and a public curious to know more.

Hugo Koning, an expert in Greek mythology, has won the Lucas Public Prize because he has brought his research to the attention of the general public in so many different ways. This is the first Public Prize awarded by the Leiden University Centre for Arts in Society (LUCAS). Hugo says with a smile:…

From medicines from snake venom to supercrops and the origin of words. Thirteen researchers from Leiden University will receive Open Competition XS grants from the Dutch Research Council (NWO).

During the farewell reception on 29 August, the Faculty of Science will say goodbye to Dean Geert de Snoo. On 1 November 2019, he will continue his career as Director of the Netherlands Institute of Ecology (NIOO-KNAW). Colleagues talk about his significance for ecology, about his contribution as a…

Conference

Lecture, European Union Seminar

Lecture

This abrupt climate change of 8200 years ago (the so-called 8.2k calBP climate event) has received wide attention among natural scientists, also because of today's rapid climate changes and their impact on our own society. The archaeological implications, however, have not been investigated so far.…

Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

In welke mate hebben domaniale structuren de machtsvorming en nederzettingsontwikkeling in en van het gewest Holland bepaald?

Workshop

The research of the Mathematical Institute is driven by the curiosity of its members and has many internal and external connections. It can be characterised as fundamental but with an open attitude towards applications.

Leiden University Libraries (UBL) recently participated in the Pagode-Europeana-China project as an associated partner. As a result, almost two hundred items related to China from the UBL Special Collections are now available via the Europeana website. The UBL was the only library to participate in…

Since 2015, the Betabanenmarkt Foundation (BBM) has been organising the Bio Science Park Excursion yearly to introduce students to the world of start-ups and tech companies located around the corner from the Faculty of Science. This year a visit to the Bio Science Park was not possible, so BBM brought…

Leiden chemists have proposed a new model for enzymatic reactions, in which the flexibility of the substrate is much more important than previously thought. Their results are paradigm-shifting and could have major implications for drug research and enzyme engineering. Publication in Angewandte Chemi…

Dutch and foreign alumni from Leiden are the oil that keeps the wheels of Dutch-Asian relations moving smoothly. That’s one of the conclusions reached during the area day of the Dutch ambassadors in Asia and Oceania. All of them gathered in Leiden University’s Academy Building on 30 January.

The new Students for Leiden party pulled off a stunning victory in the municipal elections. From nowhere, the party won two seats on Leiden Municipal Council. How are brand-new student councillors Mitchell Wiegand Bruss and Elianne Wijnands doing? ‘We’ve already asked questions about the quality of…

The LUMC has become the first institution in the Netherlands to treat a patient with an autoimmune disease using CAR T-cell therapy.

Netherlands and China can learn from each other to handle household and livestock wastewater more sensibly. In the FOREWARD project, scientists from Leiden, Wageningen, and China are working together with local partners on feasible solutions that advance the environment, health, and economy.

The Sport Data Center wants to unravel the secrets of Dutch and Brazilian football, together with a diverse group of partners. Furthermore, the consortium will in both countries measure the health risks that arise from being bound to a wheelchair.

The topic of conversation at The Great Continental Breakfast the morning after the EU elections in the Netherlands was the election campaign, the – lacking? – constitutional basis of the EU and the Timmermans effect. ‘These were the most normal EU elections ever!’

She narrowly defied bureaucracy and spent days angling for cod. In the North Sea, marine biologist Inge van der Knaap discovered that noise significantly disturbs fish behaviour. ‘There is now a lot of attention for underwater noise.’

True to tradition, during the opening of the academic year the LUS Teaching Prize will be awarded to the University's best lecturer. Get to know the nominees. This week: Marion Boers.

Human measures to protect lions have an impact on the genetic health of populations. Leiden and Kenyan scientists discovered this by analysing the DNA of 171 Kenyan lions. ‘By fencing reserves, for example, the chance of inbreeding increases.’ With the knowledge and tools from the research, management…

On Friday, the 24th of April 2015, the Junius Symposium voor Jonge Oudgermanisten, a symposium for junior researchers in the field of language, culture and history of the (early) medieval Germanic tribes, was organized by Peter Alexander Kerkhof (LUCL) and Thijs Porck (LUCAS).

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Biologist Astri Kusumawardhani is the second in this series to…

The Netherlands is an open country and should remain so. This is what the rectores magnifici of the Dutch universities write in an opinion piece. Because academic training that does not provide enough of an international perspective lacks quality and relevance to the job market and society.

Turning beer waste into a useful, sustainable product. That was the mission of students from Leiden at the international BISC-E event. The biology students challenged themselves and won third place in the Dutch finals of this competition. For this, they used the simple formula: Grain + fungus = coas…

Can politicians say whatever they want? What is the limit and when can the Public Prosecution Service act? PhD candidate Jip Stam examined the limits of free speech in criminal law. 'Intervening too soon can threaten democracy and the rule of law,' he warns.

And the construction has started! Students of the Leiden Science study associations ceremoniously hammered down the first poles of the new Gorlaeus on Tuesday morning. By doing so, they initiated the second phase of the construction of the second part of the new building.

On December 16, 2023, our respected and beloved former colleague prof.dr.ir. Bert Peletier passed away.

There are many links between Leiden and the US. The highest office there has been held an impressive nine times by presidents with Leiden roots. This has led to memorable visits to Leiden University.

He started his career as a part-time PhD candidate and a reading volunteer at his children's school. Now, as a professor, he looks back on forty years of research and education: Peter Klinkhamer of the Institute of Biology Leiden, ecologist in heart and soul.

Queen Juliana was not, as is often claimed, a monarch with an unstable character who was completely under the influence of spiritual healer Greet Hofmans. Furthermore, her religious circle of friends was not a sect with a political agenda. That is what Han van Bree concludes on the basis of a new archival…

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

Maartje van den Heuvel, researcher and curator of photography at Leiden University, will be giving a tutorial next semester to master students of Film & Photographic Studies. A great opportunity for them to work with an exceptional collection from the Leiden University Library. Van den Heuvel explains…

Paleobotanist Menno Booi discovered that 250 previously described fossil tree species are objectively not distinguishable; they belong to only one single species.

A delegation from Leiden University is visiting Brazil from 14 to 18 March. The first day of the visit was spent with scientists in São Paolo.

Last week, the sad news reached us that Dr Jan Schmidt passed away on 11 August 2025. We wish his partner, friends and family strength and comfort as they cope with this loss. Jan Schmidt will be remembered as one of the most prolific and learned scholars in the field of Ottoman codicology and histo…

Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…

A team of students from Leiden and Groningen took the second prize at the European final of the BISC-E sustainability competition. Last June, the team had already won the Dutch finals. The students came up with ‘Suckerspheres’, a natural alternative to the plastic micro-particles that are still frequently…

A pandemic of lianas is sweeping through tropical forests, reducing their ability to store carbon and limiting their role in mitigating climate change. Two recent studies from Leiden University highlight the issue. ‘We now understand why lianas are visible in satellite imagery.’

What does a political party do in the wake of a disastrous electoral defeat? Martijn van Nijnanten researched this and discovered that parties turn to core values from the past. PhD defence on 12 September.