Researchers at LIACS have found a vulnerability in open-source code that’s been used around the world for over 15 years. They’ve also developed an AI-based tool to fix the problem automatically. ‘You really can’t afford to lean back.’

Three fundamental research projects at Leiden in physics, chemistry and medical science have received funding from the Dutch Research Council (NWO). They involve research on magnetic fields in the universe, the role of myeloid cells in cancer immunotherapy and the evolution of ancient proteins.

Researchers at eLaw contribute to groundbreaking volume on AI in radiology, offering legal and ethical frameworks, governance models, and solutions for responsible clinical integration.

Innovations only achieve true success when people actually use them. PhD researcher Max van Haastrecht developed a cybersecurity app for small businesses and learned how essential it is to align technology with real-world practice.

Tijdens Leiden Revisited kregen alumni van de Rechtenfaculteit de mogelijkheid om zich weer even echt student te voelen. Dit jaar vond het evenement namelijk plaats in de (oude) vertrouwde collegebanken van het Kamerlingh Onnes Gebouw.

Since 1 October 2022, Sarah Nelson is a Postdoctoral Researcher at the Institute for History. Below she introduces herself.

Rik van Gijn was appointed professor of Ethnolinguistic Vitality and Diversity in the World from 1 December 2024. He is keen to use the position to set up research on language vitality. ‘People almost never give up their mother tongue entirely voluntarily.’

What is the state of democracy in developing and transition countries in 2024? Terrible, according to the BTI Transformation Index.

Violent conflicts and civil wars in Chad impede most rural households' access to food security, agricultural activities and access to essential services such as health care. In her dissertation, Nakar Djindil Syntyche denounces this issue. She obtained her PhD on 24 November.

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.

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.

During the annual Teaching Fair, teaching staff in the Faculty of Humanities met up to exchange tips & tricks and attend workshops.

AI is playing an increasingly important role in our lives, but that is not without danger. Eduard Fosch-Villaronga at eLaw warns that AI does not pay enough attention to the LGBTQ community.

Organisation

More than 40 years ago, a wrecked merchant ship was found in the Wadden Sea. PhD student Geke Burger looked at this archaeological find from a historical perspective.

Research master's student in history Jesse Dijkshoorn collaborated on a transcription system for medieval texts. ‘It’s nice to make the Middle Ages accessible to people.’

Three PhD candidates from the Faculty of Humanities have successfully applied for funding from NWO for new PhD candidates. The three upcoming researchers will receive funding from the PhDs in Humanities programme. With the funding, NWO wants to boost the recruitment and advancement of young talent in…

Psychology teacher of the year is Marc Molendijk. The Master Thesis Awards are for Kim Houwaart and Linda Bomm. Hans van Lennep wins the PhD Publication Prize; Nina Komrij wins the PhD Wild Card: Societal Impact. The Support & Management staff Prize is for the whole Psychology Institute Office and Remond…

Tracking mucus-eating bacteria, mapping the complexity of planetary nebulae and a signalling pathway in cancer. These three Leiden projects have been awarded Open Competition Science-M funding by the Dutch Research Council.

Russian military concepts developed in the late 19th and early 20th centuries still exist and have not lost their strategic relevance. The Russians used them to annex Crimea and are now applying them in the war in Ukraine. Although the concepts have been around for a long time, it does not mean they…

Organisation

How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.

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.

Eduard Fosch-Villaronga, PI of the ERC StG Safe and Sound hosted at Leiden University's eLaw Center for Law and Digital Technologies, recently met with Arnau Izaguerri of the United Nations Conference on Trade and Development (UNCTAD) to explore avenues for collaboration. The focus of the discussion…

‘Wadden Sea Sounds’ is the name of a new project launched by the Waddenvereniging in collaboration with researchers from Leiden University and the University of Groningen. The aim is to find out how underwater noise affects marine life in the Wadden Sea.

A CT scanner to treat eye cancer, energy-efficient software for the future and a test to identify male chick eggs. Three projects by researchers from Leiden University are to receive funding from research funder NWO’s Open Technology programme, to which the business sector also contributes.

From a new generation of antibiotics and more-effective vaccines to a map of dark matter and new light on Hindu traditions. Four researchers from Leiden University have received a prestigious €2.5m ERC Advanced Grant to develop their research.

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

Why and how do people collect things? Why does a museum display one object and not another? These questions are at the heart of the interdisciplinary research programme Museums, Collections and Society. The programme is holding a conference for scholars and the general public on 5 and 6 July.

Jojanneke van der Toorn is kicking off the new Academia@WorkplacePride year with the LGBTIQ+ Workplace Inclusion Symposium. As a social psychologist, she wants to share knowledge and gather experiences relating to diversity and inclusion at work

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…

How can we best tell the current generations about some of the darkest parts of our past? To answer this question, researchers from Leiden are working with the Gedeeld Verleden, Gezamenlijke Toekomst foundation on public programmes about the Dutch history of slavery.

Research

What if AI doesn’t just support engineers, but actually works alongside them? A large consortium, including Leiden University, gets 3.7 million euros. They will explore novel synergies between engineers and AI, in industrial engineering design areas such as automotive engineering.

Even though the COVID-crisis continuously evolves and is marked by new realities and uncertainties, we can carefully begin to take stock looking back on the first phases of Dutch crisis management. What can we learn reflecting on the crisis strategies of this extraordinary and transboundary crisis that…

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.

The Digital Lab is open! This new lab is meant for staff and students who are looking for a place to work, experiment, and find support for their digital research. There’ll be a kickoff event, with live digital demos and a roundtable on “the Humanities in a Digital World” on Friday October 29 in the…

For four years, Vicky Beckers examined thin slices of wood under a microscope, mapping the anatomy of two plant families. Her research helps identify different wood species, benefiting both the timber trade and archaeology.

Police investigations use wiretapped phone recordings as investigative material fairly regularly. But how do they know that the voice on the recording actually belongs to the suspect? PhD student Laura Smorenburg is trying to answer that question.

PhD candidate Joeri Schoenmakers works at the LIC and describes how his days revolve around new experiments, oxygen-free reactions and supervising students. The mix of freedom, variety and a close-knit team means he enjoys both his research and his teaching role every single day.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

Medical drugs are expensive to make and can have an adverse effect on the environment. Researchers Stefano Cucurachi and Justin Lian have developed a framework to help the healthcare system assess the economic and environmental sustainability of medical compounds.

How unique is the human capacity for learning and adapting to an environment? In field research – in the rainforest and Artis Zoo – primatologist Karline Janmaat is studying how humans and other primates adapt to their environment in their search for food. She will give her inaugural lecture as Professor…

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…

Yvonne Erkens has been appointed Professor of Labour Law at Leiden University as of 1 January 2026.

Adina Akbik has been appointed as a new member of the Young Academy Leiden (YAL) as of 1 September 2024. Akbik is Senior Assistant Professor of European Politics at Leiden University. YAL serves as a platform for early career academics, and Akbik is keen to promote the needs and interests of young researchers…

Green spaces boost mental health—especially in busy cities. A new study from Leiden and Stanford University reveals how nature benefits urban well-being and offers low-cost ways to make city life healthier for everyone.

The fastest chemical reaction in the universe takes place inside our eyes.

On 5 November 2021, Professor Michiel van de Sande of the Department of Orthopedics in the Leiden University Medical Centre (LUMC) delivered his inaugural lecture ‘The Art of Doing and Doing Nothing’. Van de Sande used the opportunity to explore both physical and philosophical aspects of co-decision…