On 11 June 2025, the MA in International Relations (MAIR) Programme convened its 2nd Humanities & IR Graduate Conference at The Hague Campus (Schouwburgstraat), welcoming over sixty participants from twenty institutions in Europe, North America, and Asia.

When focussing attention, the neurotransmitters noradrenaline and acetylcholine play an important role. This new finding made by psychologist Stephen Brown provides clues for further research on how focussed attention comes about. Dissertation defence on 16 June.

An international team of astronomers led by Matus Rybak (Leiden University) has proven, thanks to accidental double zoom, that millimetre radiation is generated close to the core of a supermassive black hole. Their findings have been accepted for publication in the journal Astronomy & Astrophysics.

The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

Our solar system probably evolved in the same way as most of the other planetary systems around us. This has been shown by German-Austrian-Dutch research on more than 870 planet-forming disks in the Orion cloud A. The five researchers, including three from the Leiden Observatory, published their findings…

Prof. C. Bakels is an archaeobotanist who devoted most of her career researching farming, its (pre)history and influence on the landscape. Born in 1942, she got her first appointment as a lecturer at Leiden University in 1968. On Monday 16 April, we celebrated her 50th work anniversary.

Last year, chemists Dennis Wander and Hermen Overkleeft contributed to an important discovery about a widely used cancer drug. Their research has now been recognised as Finalist for the PNAS Cozzarelli Prize in the Biomedical Sciences class.

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

In a world where bacteria are increasingly resistant to antibiotics, Emma van Groesen set out to find a solution. This month she obtained her PhD, after four years of research into new variants of the antibiotic vancomycin. With success.

At the start of the COVID-19 pandemic, researchers from 15 departments at Leiden University Medical Center (LUMC) realised they could do more for patients if they joined forces. This is how the BEAT-COVID group has been able to rapidly gain knowledge about COVID-19, the role of the immune system and…

This fall, LUCIS will have the pleasure of welcoming Professor Maribel Fierro, Research Professor at the CSIC (Consejo Superior de Investigaciones Científicas, Madrid), to Leiden. She is the third Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University…

An evening program in the University Library and Middle Eastern Library in Leiden for everyone who has something to do with the Middle East; from Tajikistan to the Mahreb and from Istanbul to Sanaa. View the oldest books and clay tablets from the collection and listen to the most fascinating stories…

Farmers who commit to environmentally friendly working methods also actively practise nature conservation in their farming - particularly when this is not financed by the government. These are the findings of research carried out by Anne Marike Lokhorst, who will receive her PhD on 17 September based…

How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

Robbert Visser has won the Political Science Master’s Thesis Prize 2017. His study in the field of Political Theory is the latest milestone along Visser’s (in his words) ‘long road to the master’s title’. The jury was impressed by his work: 'Deeply engaging, providing a critical and balanced analysis,…

'Every year the courses are different, and there are new things to learn.' The 6th Leiden Summer School in Languages and Linguistics from 18-29 July this year has attracted 120 participants, 90 international and 30 from the Netherlands.

The European Research Council has awarded an Advanced Grant to Prof. dr. Maarten E.R.G.N. Jansen for the research project

To mark its 75th anniversary, the Netherlands War Graves Foundation is publishing a portrait of a war victim every week this year. On 24 January the drawing of Irawan Soejono, a Leiden student and Indonesian resistance member, was unveiled at the Groenesteeg cemetery in Leiden, the place where Soejono…

Tax collection has become highly complex and the system is creaking at the seams. Is there an easier way to collect taxes? This is the question raised by Rex Arendsen, Professor of Tax Law, in his inaugural lecture on 16 September.

Tiny selenium particles could have a therapeutic effect on ischemic brain strokes by promoting the recovery of brain damage. Pharmacologists, including Alireza Mashaghi from the Leiden Academic Centre for Drug Research discovered that selenium nanoparticles inhibit molecular mechanisms that are responsible…

Jelle van Buuren bespreekt de link tussen radicalisering en psychiatrische problematiek.

Many organisations have a biased workforce, even though diversity has so many advantages. Australian and Dutch researchers, including Leiden psychologist Romy van der Lee, have developed a solution based on a mathematical model. They published their findings in PLoS One on 28 July.

Dr. Mark Westmoreland (Institute of Cultural Anthropology and Development Sociology) and Dr. Francesco Ragazzi (Institute of Political Science) have been awarded a Seed grant for their project, ‘Other “ways of knowing”: should we prepare for a post-textual turn in the social sciences?’. The grant amounts…

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…

Topology is an emerging field within many scientific disciplines, even leading to a Physics Nobel Prize in 2016. Leiden physicist Marcello Caio and his colleagues have now discovered the existence of topological currents in analogy to electric currents. Publication in Nature Physics on January 14th.

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.

The third and final introduction week at Leiden University is in full swing. Orientation Week Leiden (OWL for short) is giving a record 1,378 new international students the chance to get to know the city and one another. We got the lowdown from the new arrivals at OWLands Festival.

No less than four Leiden research teams have been awarded a grant by NWO. On 27 July NWO honoured 21 applications in the Open Competition ENW-XL. NWO awards the grants to consortia in the exact and natural sciences who are doing unconnected fundamental research that is 'driven by curiosity'.

On 27 June 2017, Daniel Dimov will defend his PhD dissertation “Crowdsourced Online Dispute Resolution”. The defence will commence at 16.15 hrs, in the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor H.J. van den Herik and Professor A.R. Lodder.

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…

Researchers in Bilthoven, The Netherlands, have recently unraveled the defense against whooping cough bacteria in unprecedented detail. The outcome of the project, conducted at Intravacc (Institute for Translational Vaccinology) in Bilthoven, provides opportunities for a new approach in the development…

A gold carpet welcomed students, staff and curious locals into Spui Campus on Monday 2 February. The V&D department store has been transformed into a unique open knowledge centre.

Kidney failure is a serious issue because kidneys cannot regenerate themselves after injury. A possible solution consists of artificially growing healthy kidney tissue. To achieve that, scientists first need to understand kidney development during the earliest stages, in the fetus. Leiden researchers…

Anneke Wurth, PhD candidate at ICLON, wanted to gain insight into what works well in oral language education in the school subject of Dutch in the upper years of havo and vwo. The role of feedback became central to her research.

The emergence of 'illiberal democracies' and the protection of human rights in Europe.

Three cybersecurity consortia that Leiden University is part of have been awarded subsidies of over a million euros by NWO. Leiden is the coordinator for two of the projects.

As Scaliger professor, Erik Kwakkel is responsible for the academic context of the complete Special Collections of the Leiden University Library. His inaugural lecture on 15 May will focus mainly on the section closest to his heart: Medieval books.

After almost twenty years the record for the most distant radio galaxy has been broken. A team of astronomers led by Leiden PhD candidate Aayush Saxena has discovered a radio galaxy from the time when the universe was just one billion years old. The galaxy is at a distance of 12 billion light years…

Twee teams of astronomers, including from the universities of Amsterdam and Leiden, have discovered how hot gas giants are surrounded by large halos of thin helium gas, an indication that they are slowly losing their atmosphere. The helium, that was recently seen for the first time by the Hubble space…

Ionic liquids are important in scientific research because they can apply a lot of charge over a surface. Leiden physicists have now found that the charging process of ionic liquids purely depends on opposite charges attracting each other. Chemical reactions are sometimes involved, but not essential.…

For the first time, physicists have visualized the ‘melting’ of electrons inside a special class of insulators. It allows electrons to move freely and turns the insulator into a metal and possibly later into a superconductor. Publication in Nature Physics.

On Monday 11 December, human rights activist Ms. Wai Wai Nu will deliver the seventh Raymond and Beverly Sackler Distinguished Lecture on Human Rights at Leiden Law School. This events marks the annual celebration of International Human Rights Day, which was proclaimed in 1950 by the United Nations…

Within the space of a few months, the Heritage Quest citizen science project, whereby volunteers scan elevation maps of the Veluwe area for burial mounds and other prehistoric remains, has already led to groundbreaking new insights. Hundreds of burial mounds have been found, as have a huge number of…

Young people being deployed to carry out explosive attacks: how do they come into view, and what motivates them? The podcast 'Action/Reaction: From Attack to Approach' by the research project Close Protection and Surveillance and researcher Sheila Adjiembaks takes a closer look at why and how young…

Workshop brings multidisciplinary experts together to debate proposed detection technologies and their impact on fundamental rights.

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

‘Don’t forget us. Don’t stop talking about Iran.’ In a packed lecture hall at the new Spui Campus in The Hague, a panel discussion was held this Tuesday on recent developments, tensions and the wave of state violence in Iran.