The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

The JUL board 2025/2026 consists of five colleagues:

The integrity and reliability of academic research are of fundamental importance to the University. All parties, both within and outside the University, must be able to have confidence that our research is conducted in a scrupulous, fair, verifiable, impartial and independent manner.

Active learning is one of the ambitions mentioned in the University’s educational vision (Learning@LeidenUniversity).

Dutch scale-up In Ovo, a spin-off of Leiden University, has raised 34 million euros to accelerate its international growth and scale-up plans. The new funding is supported by Leiden University’s Libertatis Ergo Holding. The funding has also been provided by, among others, impact investors ECBF and ABN…

A fresh semester means a fresh faculty calendar. There is plenty to do at the faculty again in the coming months. Five interesting activities are listed below.

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

What is the impact of humans on nature? In Science an article appeared in which researchers try to give an answer to that question. Biogeographer and postdoc at LUCL Sietze Norder is one of its authors.

What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

Leiden academics Remco Breuker and Auke-Florian Hiemstra stand to win the title of Person of the Year.

Almost 4400 anatomical drawings from the collections of Leiden University Libraries (UBL) are now available through Europeana. The collection shows medical art on paper from the early eighteenth century to the present day. Most of the drawings were created in or around the Leiden University Medical…

Research

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

A lot of green, corners to sit in and paths to stroll along. These were the wishes for the restyling of the garden of the Huizinga building. After some forty years, it was time to give the garden a facelift. The result is a welcoming, green garden with sunny spots and shaded nooks.

Face masks and plastic gloves are supposed to protect us from corona, but they are becoming an increasing problem for the environment. In a special series of the New York Times, Leiden biologist Liselotte Rambonnet and alumnus Auke-Florian Hiemstra talk about their research and the special website they…

How can you figure out if a skeleton is male or female? How did they brew beer in the distant past? Visitors to ArcheoHotspot could examine archaeological finds and taste prehistoric drinks at the Faculty of Archaeology.

What are you supposed to do if something goes or has gone wrong? Whether it be a break-in, an accident or an unsafe situation of any other kind, or a data breach or a cyber-attack; please read how to report each type of incident below.

What are you supposed to do if something goes or has gone wrong? Whether it be a break-in, an accident or an unsafe situation of any other kind, or data breach or cyber-attack; please read how to report each type of incident below.

Lecture, Ancient History Research Seminar

One of the largest roofs at Leiden University, that of the Snellius building, has recently been equipped with 590 solar panels and 57,000 sedum plants, making it the largest combined roof in the Benelux. The roof was officially opened on Monday 10 October by Annetje Ottow and Martijn Ridderbos, President…

Pichayapat Naisupap recently joined the Institute for History as PhD candidate. Below, he introduces himself.

When you think of migration, you probably won’t immediately think of dating apps. Yet such apps are important to many migrants, such as those who identify as lesbian, gay, bi, trans, queer or questioning (LGBT+). Researcher Andrew DJ Shield studied the role that dating apps play in the migration process,…

Two statues of gorillas abducting women: they were what led PhD candidate Dick van Broekhuizen to write a new type of history of nineteenth-century sculpture. ‘If you view nineteenth-century art history from a less narrow perspective, the narrative changes completely.’ PhD ceremony on 21 June.

Even as a teenager Asa Splinter was determined to study Japanese in Leiden. A HAVO diploma and a change in legislation threatened to throw a spanner in the works, but Asa persevered. After ten years of studying, Asa obtained a master’s degree in Japanese and was nominated for the IHLIA thesis award…

Horses were first domesticated in South-West Russia, is the conclusion drawn by an international team of researchers writing in the well-respected journal Nature. Their conclusion resolves a longstanding archaeological question. But, surprisingly enough, this domestication did not contribute to the…

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

Paul Gobée (LUMC), Kirsty Rolfe (Humanities) and Frank Takes (Science) have been nominated for the Leiden Teaching Prize 2023.

Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.

What a result! The Higher Education BioBlitz recorded 3,155 species, smashing our target of 2,500. Thanks to your efforts, Leiden University made an impressive eight ‘very rare’ finds. A result that gives hope for our biodiversity.

There are many tributaries to Rosalin Kuiper’s story and they all lead to the sea. The 28-year-old sailor was one of the five-person Team Malizia in the world’s most prestigious sailing competition: the Ocean Race.

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

Five projects with researchers from Leiden University have received a grant from the Dutch Research Council (NWO) to build or upgrade existing research facilities.

Through various initiatives, Leiden University is trying to make people aware of the importance of biodiversity: the cultivation of a wide variety of micro-organisms, animals and plant species. This is important because in the Netherlands biodiversity has declined from about 40 percent in 1900 to about…

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

Did you get a taste for recording local wildlife with Expeditie Stadsnatuur? Join the higher education BioBlitz and help us discover what is growing, crawling and fluttering on our campuses.

This month marks the two-hundredth anniversary of the deciphering of Egyptian hieroglyphic writing. NINO, the Language Museum, Things that Talk and the National Museum of Antiquities are seizing the opportunity to organise the first Week of Ancient Writing.

Facility, Organisation

If we want to solve the complex issues now facing us as people and as an organisation, leadership is an absolute necessity: and then not only from supervisors and managers, but from everyone. You can use the set of cards and the animation developed specially for this purpose to gain insight into your…

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.

Eighteen researchers from Leiden University have been awarded a Veni grant by the Dutch Research Council (NWO). This grant gives promising young researchers the opportunity to develop their ideas for a period of three years.

Lecture, Symposium

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).