The Leiden Observatory has appointed a new professor. Selena Viti will hold a chair in Molecular Astrophysics. Viti will build a research group that combines different research techniques to unravel the secrets of local and external galaxies. ‘My main ambition is to change the way scientists interpret…

Philosopher Stefan Buijsman obtained his doctorate this year at the age of 20 at the University of Stockholm, making him the youngest PhD in Sweden. He was already taking lectures in Astronomy in Leiden when he was 12, and at 15 he started a degree programme in Information Technology. 'The first reaction…

The Journal of European Public Policy has dedicated this year’s Special Issue to the theme of European Union Enlargement and Integration Capacity, on the suggestion of Dr. Antoaneta Dimitrova, senior lecturer at the Institute of Public Administration of Leiden University. Moreover, the Special Issue…

Patients on patient forums share all sorts of things about their illness: from side effects and advice to messages of support. PhD candidate Anne Dirkson uses artificial intelligence (AI) to retrieve this information. ‘Ninety per cent of the side effects weren’t officially registered.’

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…

In November 2019 visual artist and PhDArts candidate Riccardo Giacconi obtained the doctoral degree with the research project The Variational Mode. This summer Giacconi has been awarded a LUF grant for the research project The ‘Option’ aftermath in South Tyrol. The research will be conducted at the…

Medical Delta has appointed seven professors who will bridge the medical worlds of Leiden, Delft and Rotterdam.

Late in 2015 a woman gave birth to a baby conceived following the reimplantation of thawed ovarian tissue. The woman was able to become pregnant thanks to transplantation of the tissue that took place in the LUMC.

What is the relationship between democracy and peace? Do the two go hand in hand, so that less democracy means less peace? Or can democracy work against peace: for example, by producing protectionist and militarist governments? Or is there something more deeply wrong with democracy as we know it, such…

How do galaxies form? Thanks to major technological advances, astronomers are gaining ever-deeper insights, says astrophysicist Mariska Kriek in her inaugural lecture. ‘It’s almost unbelievable how many significant discoveries the James Webb Space Telescope has already yielded in such a short time.…

11th CREAN Children’s Rights Research PhD Symposium

On Thursday 12 January 2017, Ellen Raaijmakers defended her doctoral thesis ‘The Subjectively Experienced Severity of Imprisonment: Determinants and Consequences’. The defence took place at the Academy Building of Leiden University, Rapenburg 73. The PhD research was supervised by Professor P. Nieuwbeerta…

On Wednesday, September 17, 2025, Prof.dr. Sarah Cramsey convened a book manuscript event at the beach of Wassenaar near Leiden to discuss her new book 'Caring through Catastrophe: Jewish Children and their Caretakers during the Holocaust' which is under contract with Indiana University Press.

In een uitzending van het Politiek Café van - Dit is de Dag (NPO) discussieerden staatsrecht-experts Corne Smit en Wim Voermans over de vraag of een minderheidskabinet in Nederland levensvatbaar is. Hun antwoorden liepen uiteen, maar kwamen op hetzelfde neer: stabiliteit.

Together with a group of researchers from TU Delft and Erasmus University, Leiden University have received a seed grant for conducting a project “Perceived Risk of Terrorism and its Implications for (Counter-Terrorism) Communication Strategies”.

X-ray and CT scanners are widely used devices in research, diagnostics and the industrial sector. And yet they are not nearly as fast and accurate as we would like. Mathé Zeegers is researching the newest technique in the field at the Centre for Mathematics and Computer Science: spectral X-ray imaging.…

Two consortia led by Leiden researchers have been awarded over one million euros by the Dutch Research Council and the Ministry of Health, Welfare and Sport to find solutions to antimicrobial resistance.

We are pleased to welcome three new colleagues at the Institute of Security and Global Affairs this month: Andrea Bartolucci, Joana Cook and Silvia D'Amato.

News from Food Citizens? Winter School alumnae

On 21 April 2016, Leiden University College The Hague, in collaboration with The Hague Institute for Global Justice and the T.M.C. Asser Institute, hosted a book launch and panel discussion for Dr. Joris Larik’s new monograph “Foreign Policy Objectives in European Constitutional Law”, which has recently…

On Thursday, May 16, Leiden University Libraries is organizing a workshop on early photography of the Middle East. In the workshop, curator Maartje van den Heuvel shows photos of three adventurous Dutch nineteenth-century travel and photography pioneers. They created beautiful photos and photo albums…

When foreign matter enters our body, our immune system has to make a choice whether or not to go on the attack. There are times when the system goes wrong, and we end up with an illness or an allergic reaction. Researchers at LUMC are trying to steer the immune system. The dossier on Immunity, Infection…

Building off the success of the 'Jews at Home' conference in December 2023, the Leiden Jewish Studies Network convened its second conference 'Care and the Jewish Experience' this past September in Leiden.

It may be the best tradition of them all: on the university’s birthday, its professors go to primary schools to teach a special lesson. This year, 75 professors visited 44 local schools. ‘How does stress get into your body?’

On Wednesday 27 March, 17.00 - 18.30, Andrew Pettegree and Arthur der Weduwen will present their book: 'The Bookshop of the World. Searching for markets in the Dutch Golden Age’ at the Lipsius-Building (Cleveringaplaats 1, room 11). Anton van der Lem, curator at the Leiden University Library will introduce…

A new NMR microscope gives researchers an improved instrument to study fundamental physical processes. It also offers new possibilities for medical science, for example to better study proteins in Alzheimer patients’ brains. Publication in Physical Review Applied.

On December 13th & 14th harpist Maria Cleary will defend her thesis 'The “harpe organisée”, 1720-1840. Rediscovering the lost pedal techniques on harps with a single-action pedal mechanism' to obtain her doctoral degree.

A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star at which planet formation has finished, while the same-aged companion star still has a planet-forming disk. The researchers…

Is it possible to diagnose diseases using molecular switches? The new international consortium LogicLab will address this question. Leiden chemist Sylvestre Bonnet and Leiden pharmacologist Thomas Hankemeier are involved in the project. LogicLab will run for four years and will receive over 3.5 million…

The Leiden Centre of Data Science and the Leiden Institute of Advanced Computer Science are part of a consortium that will carry out research on making illustrated and handwritten archives digitally accessible. The project is funded by NWO.

Northern lights, stellar winds and exoplanets. This is what astronomer's PhD research revolved around. PhD candidate astronomer Rob Kavanagh developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets. He will receive…

Each year, the Institut français and French Embassy award the Bourses Descartes, which are designed to support students or PhD candidates who intend to study at a French educational institution or would like to finance a research partnership. In February, the Institut announced that part of a scholarship…

A record number of 417 PhD candidates defended their theses in 2016. How many of these were cum laude? What were their propositions? The advantage of dirty nappies, for example. Read about the facts and figures on PhD defences in 2016.

Excursions to Leiden museums, a flown-in American professor and a collaboration with PhD students from Cambridge: Leiden PhD candidates in early modern art were in luck this summer. An award from the Camino Laurent van Vugt Fund allowed the LUCAS research institute to organise a special summer school…

If you imagine in advance that something is not going to hurt, this could mean you experience less pain. This discovery was made by health psychologist Kaya Peerdeman during her PhD research on the placebo effect. PhD defence 7 February.

What can you learn about Bangladesh that cannot be found on Google? On 24 September, bachelor students of International Studies and Southeast Asian Studies were given an answer to that question. In a well-filled lecture room, the ambassador of Bangladesh, Riaz Hamidullah, gave a lecture about his co…

Many students cycle past the companies of the Bio Science Park every day, but what actually happens behind those doors? And is there a future there for students after their graduation? The Bio Science Park Excursion answers these questions.

With the emergence of social media platforms such as Twitter, Facebook and Instagram, it’s easier than ever to share information. Including disinformation. During his PhD computer scientist Xueqin Chen developed a new way to recognise fake news and predict how messages spread within online social networks…

Harvesting rice from the same field, without planting new rice plants? A discovery may bring this scenario closer. Leiden scientists have discovered a gene that allows annual plants to grow after flowering, instead of dying. Publication on 13 April in Nature Plants.

Ries Kamphof conducted research into European sustainability policies; his findings are that the European Committee very rarely uses her authority. ‘The member states are very protective when it comes to taking action to protect the climate.’ PhD ceremony on 22 November 2018.

Jihadism and smugglers, gold fever and ethnic strive. It is a toxic mix that makes the Sahel a volatile region in which jihadi's thrive. In the Dutch daily De Volkskant, terrorism expert Liesbeth van de Heide sheds a light on the complex problems that the Sahel is facing. Van der Heide is a researcher…

According to the LUMC, patients experience 30% fewer serious side effects when medication doses are tailored to their DNA.

With the help of a LUF grant, archaeology student Anne Wagemakers investigated an archaeological assemblage in Spain. Now her research report has won the annual LISF prize.

Chemist Tobias Bauer discovered ways to improve drugs by encapsulating them. Packages with iron nanoparticles, for example, can stimulate immune cells. Bauer will receive his PhD on 9 June.

‘Wonder is the beginning of insight. Don’t let that academic curiosity erode.’ This was Jan Anthonie Bruijn’s call to administrators and funding bodies in his valedictory lecture.

Dominique Moïsi, a professor at King’s College London, will be the first holder of the Owada chair. ‘In the present international context of polarisation and divisions within societies and amongst nations, any effort at bringing Asia and Europe closer to each other is truly important.’

On Wednesday 24 January 2018 Margaret Kuiper, a forensic psychologist, will defend her doctoral thesis ‘Het woord en de daad’ (The word and the deed). The defence will start at 16.15 hrs, at the Academy Building of Leiden University. Her supervisors are Professor E.R. Muller and Professor T.A.H. Doreleijers.…

Collaborating and learning from other fields – that is what bioinformatician Hannah Augustijn enjoys most about doing research. During her PhD at Leiden University, she developed new ways to search within bacteria for the antibiotics of the future.

What do you do when a discovery in the lab shows real promise? Scientist Mirjam Huizenga founded a startup to develop a new treatment for nerve pain caused by chemotherapy. ‘The goal is to give patients a better option.’

'Psychologists think I’m a linguist but linguists think I’m a psychologist,' says cognitive neuroscientist Xiaochen Zheng. With the Veni grant she will be able to bring these two fields of research closer together. Read her answers to five questions.