Leiden biologists have found a mutation in flour beetles that allows them to speed up their development. The study has been published in Nature Ecology and Evolution.

From the very beginning, the Islam has known an oral tradition. It was only two hundred years ago that Muslims starting writing about the history of Islam, on rocks or other hard materials. Arabic epigraphy (study of inscriptions) turns out to be an essential tool in historical genealogy research. Abdullah…

Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

Minuscule elementary particles from space colliding with Earth can give us an insight into the distant objects they come from. But first, you need to know how to catch them. With a Vidi grant from NWO, researcher Sjoert van Velzen will 'hunt' for neutrinos coming from exploding black holes.

At the International Online Conference 'Fair Medicine and Artificial Intelligence' organised by the University of Tübingen (Germany), Hadassah Drukarch, junior researcher at eLaw, gave a presentation on how current algorithmic-based systems may reinforce biases in healthcare. This topic forms part of…

For her bachelor’s thesis, Molecular Science and Technology student Madouc Bergers synthesized her own molecule that can inhibit the breakdown of sugars. Although most students do not even manage to make one building block, Madouc made three. Partly because of this, she has been nominated for the Science…

A symposium on space diplomacy for experts and the general public will take place in The Hague on Monday 12 June. Everyone has an interest in learning more about this topic, says Professor Jan Melissen. ‘The scope of international relations has expanded beyond our planet.’

Professor Isabelle Duyvesteyn will be the new programme chair of International Studies. As of 1 September, she will be at the helm of the largest programme of the Faculty of Humanities.

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…

Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.

The numbers of asylum seekers and the direct family members hoping to join them were not the problem, says Mark Klaassen. The stumbling block was the housing market. He says the asylum crisis is being used for electoral gain.

The film Blade Runner as part of the law curriculum? It’s not that weird to Maartje van der Woude, Professor of Law and Society, and Frans-Willem Korsten, Professor of Literature, Culture and Law. ‘The film raises a fundamental question: what’s a human and what’s not?’ From the next academic year onwards,…

From 1 January 2024, Bart Barendregt will be appointed as vice-dean of Research on the FSW board. This is a new role.

Cookware handles, electrical plugs, brake pads. Unlike other plastics, these ‘thermosets’ cannot simply be melted down and reshaped, making them difficult to recycle. Chemist Roxanne Kieltyka and her team are now exploring a way to make these materials recyclable, potentially transforming the way we…

The third and final participation session was held on 20 September; the evening was attended by local residents, business owners, students and other stakeholders.

How do young zebra finches learn to sing? A research team led by researcher Katharina Riebel has developed a ‘RoboFinch’ to study just that. She and colleagues in the 'Seeing voices' research consortium have spent the past four years designing the robotic bird. And with success: young zebra finches…

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

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

On 10 May 1940, the Netherlands was taken completely by surprise by the attack of the German army. Wasn’t it? In his dissertation, Wouter Linmans debunks the idea that the Second World War took the Netherlands by surprise. ‘From 1935 onwards, all major political parties wanted to invest in the military.’…

Planning the timetables in FGGA is a challenging process. To offer a look behind the scenes, we spoke to Quino - functional administrator, Mandy and Ric - the faculty's timetable makers.

Research

How should the Quran be read? The manuscript of this holy book makes different interpretations possible. Researcher Marijn van Putten has been awarded an ERC Consolidator Grant of two million euros to explore centuries-old recitations.

As from April 2023 all students at Leiden University, Delft University of Technology and Erasmus University Rotterdam will start using the eduXchange portal to register for a minor.

On Thursday 10 November, the Night of the Lobbyist was held. During this public event, organised by Leiden University and the Public Affairs Academy, many insights were shared regarding the different aspects of lobbying and the diversity of the world of the lobby.

On January 1st Jasper Knoester started as our new dean. How is he doing? What exactly does he do? And what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Sara Petrollino, a university lecturer in linguistics, strongly believes that language influences the way we see the world. An NWO Open Competition (XS) grant will enable her to test this hypothesis among the Ethiopian Hamar people. ‘The idea that everyone thinks in geometric shapes is culturally de…

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

Have you ever experienced the feeling of awkwardness when attending a party where you didn’t know anybody? Ever felt shy at a party within the first few minutes? While this feeling is labelled loosely as feeling socially anxious, social anxiety disorder goes to a much further extent.

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

Research

Despite increasing attention to inclusion, loneliness statistics are not improving for people with intellectual disabilities. University lecturer Paul van Trigt will use an ERC Consolidator Grant to conduct research into friendships between people with and without intellectual disabilities. What does…

A delegation from the University of Edinburgh recently visited Leiden University to deepen their collaboration. What makes Edinburgh such an attractive partner?

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

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.

A child who receives fewer nutrients in the womb than their identical twin brother or sister is more likely to have developmental problems later in life. This is what researchers from the Leiden University Medical Center (LUMC) write in The Lancet Child & Adolescent Health. This study shows that unfavourable…

With the aid of physics and a minuscule magnet, researchers have discovered a new structure of telomeric DNA. Telomeres are sometimes seen as the key to living longer. They protect genes from damage but get a bit shorter each time a cell divides. If they become too short, the cell dies. The new discovery…

On 1 May, Casper de Jonge will be appointed Professor of Greek Language and Literature. ‘Greek literature did not come from Athens alone: authors from Egypt, Syria and Asia Minor also wrote in Greek.’

The program FeedbackFruits allows you to add online questions and discussion topics to a text. This helps them better understand the course material and allows the lecturer to know, prior to class, what students had difficulty with. Eric Storm explains his approach.

Six professors or associate professors from Leiden University have officially been appointed 'Medical Delta Professor'. Their inauguration took place at the Medical Delta Conference in Delft on 8 April.

Every year, the ECHO Award is presented to students from non-western backgrounds who are committed to social improvement in the field of diversity and inclusion. One of this year's finalists is Leiden alumna Husna Jalal, who works for Afghan women's rights with her organization the Young Afghan Women’s…

Now that it is becoming increasingly easy to digitise texts, it seems almost obvious to do that with everything that has ever been written. University lecturer Verena Meyer thinks that is too simplistic. ‘We need to look more closely at the political and cultural effects of digitisation.’

By looking at stars in dwarf galaxies research Bas Zoutendijk is trying to gain new insight into dark matter.

They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.

ChatGPT, translation machines and bots: for Carole Tiberius, they are a piece of cake. On 1 January, she was appointed professor of Computational Linguistics. 'There ae two elements to the field: computer science and linguistics.'

Rodrigo Ochigame’s project explores how AI redefines scientific evidence, aiming to help scientists critically navigate these transformations with the Veni grant.

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 what our buildings and cities are made of is an important step in making them more sustainable. Industrial ecologist Tomer Fishman (CML) has received an ERC Starting Grant to map the construction materials used in buildings in the Global South. 'Without the data, you can't formulate po…

A team of three Leiden tax law students have reached the finals of the most prestigious worldwide moot court competition in the field of international and European tax law.

Today marks the start of the Healthy University - Let's Walk Week 2021, a week focused on the mental and physical health of our employees. Including an online program with interesting inspiration sessions, office workouts and sports lessons. And join our walking competition in the Ommetje app!

Postdoc and linguist Evelyn Bosma receives the Keetje Hodshon Prize for her dissertation. For her research on the multilingualism of Frisian children, Bosma previously won the Klokhuis Science Prize and the Campus Fryslân Science Prize.