Paul Wouters received the RISE Award, an award by the women’s network RISE, for his commitment to increasing gender equality at the Faculty of Science. ‘It makes it clear that it is possible to truly make a change in 9 months. That is why I am happy with this award.’

Quantum Rules lab van Leiden Universiteit biedt proefjes en experimenten voor middelbare scholieren om te leren over kwantum natuurkunde. Henk Buisman vertelt over het 5 jarige jubileum.

Using the James Webb Space Telescope, an international team of researchers, including Leiden Professor of Molecular Astrophysics Ewine van Dishoeck, has discovered a palette of hydrocarbons in a planet-forming disc around a young, low-mass star. The results confirm that discs around very lightweight…

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.

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.’

‘Health, happiness and productivity. The focus is mainly on the latter, but to create a sustainable career you need all three.’ These were the words of Professor of Sustainable Careers Jos Akkermans at the opening of the Career Days. Students can visit these university and faculty days for workshops,…

In September, university lecturers Olga van Marion and Astrid Van Weyenberg started working as education coaches. How did their first semester of activities go and what is next on the horizon?

An exhibition at Oude UB takes visitors to the historical Silk Road. Old maps, clothes and jewellery reflect the rich heritage of the cities of Central Asia and their inhabitants.

Bringing your drug candidates to patients is what many academic chemists dream about, but the road to this goal is long and bumpy. Now, Leiden small molecule nizubaglustat is ready for phase 3 clinical trials. This is thanks to a €132 million funding secured by the biotech spin-out Azafaros.

In the 18th century, the French colonial empire teemed with protectionist laws. Nevertheless, businessmen from the Republic played an important role in the French economy, and thus in the colonial system. PhD student Tessa de Boer explored how this came about.

175 years ago, the Netherlands took great strides towards parliamentary democracy with a revamped Constitution. Where does the Constitution stand today?

A team of European astronomers has found a silicate-based weather system on a cloudy gas planet around the star WASP-107. It is the first time astronomers have found silicate clouds and rain. They also conclude that temperatures deeper in the atmosphere are rising rapidly. 'The presence of clouds has…

The Israel-Palestine conflict regularly sparked intense debates in university lecturer Noa Schonmann's classes. She decided to start a podcast with journalist Rajaa Natour to teach her students to have deep and difficult conversations in a nuanced way.

Astronomers at Leiden University have detected rare isotopes of carbon and oxygen in our neighbouring stars for the first time, providing a new window to better understand the chemical evolution of the cosmos.The results are published today in the journal Nature Astronomy.

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

How do you know if a drug will actually work? The Leiden-based spin-off Omivera is developing a new technology that could provide clearer answers. The young company received a seed investment from the investment fund UNIIQ to support its development.

Leiden researchers, led by Sebastian Pomplun developed a new method to screen hundreds of thousands of molecules for drug discovery, using mass spectrometry instead of DNA tags. ‘We wanted to make drug discovery faster and more accessible.’

The Young Academy Leiden strives to connect young academics with each other and strengthen their position within the University. It goes without saying that mental health is a topic that cannot be ignored here. That is why that was the theme of an again successful Young Faculty Lunch, this time at the…

The rapid economic development of recent decades has made China a destination for migrants from all parts of the world. What does Chinese migration policy say about the priorities and functioning of this global power? PhD candidate Tabitha Speelman has conducted research on this.

Much research into the colonial past of scientific institutions stops as soon as a colony gains independence. In two new projects, university lecturer Anne-Isabelle Richard focuses on the decolonisation period. How did universities deal with the changed reality?

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

What role does the frontal lobe play in understanding sentences? Assistant professor Jurriaan Witteman has received a grant to replicate a leading study on this question. ‘As there is some doubt about the reliability of existing neuroimaging results, it’s important to replicate influential studies.’

In a new video series for the Corpus Kids Academy, researchers Marieke Bos and Janna Marie Bas-Hoogendam explain how the adolescent brain develops and how anxiety works. 'We wanted to present the information simply, while still preserving the complexity.'

The AI chatbot ChatGPT has a clear left-liberal bias when filling in the Stemwijzer voting advice application. This was discovered by master's student Merel van den Broek during an assignment for the Machine Learning for Natural Language Processing course.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this first…

Over a century ago, Alexandra van Elroy's great-grandfather left for Japan, where her grandmother was born. Together with her mother, Maaike van der Loon, she reminisces about her family history, through which a key thread is the study of Japanese and Chinese.

A new study sugggests that through informal networks, Mesopotamian merchants established a standardized system of weights that later spread across Europe, enabling trade across the continent. The advance effectively formed the first known common Eurasian market more than 3000 years ago. “This is…

In 2011, Dr. Amanda Henry published her findings from dental plaque picked from the teeth of Neanderthals who were buried in Iran and Belgium between 46,000 and 40,000 years ago. Plant microfossils trapped and preserved in the hardened plaque showed that they were cooking and eating starchy foods including…

Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Affairs at the Institute of Security and Global Affairs, says we must block and expel Putin wherever possible.

After 45 years at Leiden University, it is time for Kees Goudswaard to retire. In his farewell lecture, he reflects on developments in his field: social security.

With its FestivOWL theme, Orientation Week Leiden (OWL) promises to be one big festival for new international students in Leiden.

Researchers have discovered the most distant Milky-Way-like galaxy yet observed. Dubbed REBELS-25, this disc galaxy seems as orderly as present-day galaxies, but we see it as it was when the Universe was only 700 million years old. This is surprising since, according to our current understanding of…

Now that the Herta Mohr building is fully operational, construction work is moving to the other side of the University Library. Over the coming years, the former Matthias de Vrieshof will be transformed into the Aleida Nijland building. Architect Bart van Kampen tells us more about the plans.

What is the best way to restore dune ecosystems? The project TERRA-Dunes researches the role of soil microbes in the development of natural dune areas. Recently, the project went into a new phase: planting 412 oak seedlings grown in different type of soils.

The tenth International Conference on Rapa Nui (Easter Island) and the Pacific will be a special edition with a focus on reconciliation. The fatal shooting in 1722 will be remembered, when the Dutch shot and killed ten Easter Islanders. The conference will be held in Leiden from 19 to 24 June.

By chance, computer scientist Hans-Dieter Hiep (Leiden Institute of Advanced Computer Science and Centrum Wiskunde & Informatica) discovered a ‘gaping hole’ in a widely used method for evaluating software security. Hiep patched the hole, causing quite a stir in his field. 'It’s not pleasant when a PhD…

Covid-19 has had a huge impact on teaching at universities over the past two years. Through force of circumstances, lecturers have adapted much faster to a digital future. On 7 June Leiden Teachers Academy’s annual Education Festival (working language is English) will present insights on this ‘new n…

Since 1 October, Sabina Chiță has been working as a coach for first-generation students in Physics. But who are first-generation students, and why might they need a coach? Six questions to Sabina Chiță.

What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…

Minority governments only become an option when attempts to form a government collapse. PhD candidate Corné Smit explored why such governments have become rare in the Netherlands and what advantages they might offer. ‘Broad majority coalitions often fail to make substantial progress on key issues.’

During the New Year’s reception of the Faculty of Social and Behavioural Sciences (FSW) on 12 January 2026, Sarah de Rijcke said farewell as our dean. She will become the new Rector Magnificus of Leiden University. It was not the only change of leadership announced that afternoon.

What is the significance of the history of slavery for our present-day society? A special exhibition in the inner courtyard of the Academy Building features eleven insightful portraits of students and staff, and their answer to this question. The aim of the exhibition’s initiators is to make the subject…

Lions in Kenya respond very differently to human land use, climate and conservation practices. That is the conclusion of thesis from Leiden biologist Monica Chege. A uniform approach is therefore insufficient. ‘Effective conservation only works when management is tailored to local conditions and developed…

Alumna Lisa Koolhoven is the granddaughter of a Rotterdam woman who experienced the ‘forgotten bombing’ of the city on 31 March 1943. Her friend Kristen Hayford has an American grandfather who served in the Air Force during the Second World War. In their podcast ‘Beb & Bob| Collateral Damage ’, they…

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.

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

She started her career in the police force, walking the beat as an officer. Now she has been appointed Extraordinary Professor of Diversity, Inclusion and Policing at Leiden University. Things have come full circle for Saniye Çelik. ‘It's very special.’

Women’s football is steadily gaining attention. It’s as though the sport is becoming emancipated. And yet in conversations with professional female footballers philosopher Nathanja van den Heuvel discovered that a male culture still prevails. Female footballers often feel like second-class athletes,…

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.

Fantastic plants, dizzying patterns and pulsating sounds: researchers from Leiden are going to study the effects of a simulated psychedelic trip on the mind and body at Lowlands Festival. Why might this be interesting for therapies?