For decades, scholars have wondered about the development and dissemination of languages around the world. What are the odds that peoples living thousands of miles apart speak varieties of Indo-European languages that are closely related? This riddle has now partly been solved thanks to an international…

Some 5000 years ago the people of the corded ware culture exchanged ideas about death on a continental scale. There were strong gender differences in these ideas: men were buried in an international style, and women in a local style. This discovery was made by archaeologist Quentin Bourgeois.

Amidst today’s armed conflicts, authoritarian governments, cyber-attacks, organized crime, economic insecurity, and ecological destruction, it can be hard to imagine peace. What do we mean by ‘peace’, beyond the absence of war? What kind of peace are we seeking? What makes people and society at peace?…

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…

In a significant step toward restoring cultural heritage, PhD candidate Marie Kolbenstetter has played a pivotal role in repatriating a collection of 133 archaeological artefacts from the prestigious Musée du quai Branly in Paris back to their place of origin in southern Honduras. Her efforts underscore…

To honour the work of its longstanding chair Nick Ryan, CAA International provides the annual Nick Ryan Bursary Award. The Nick Ryan Bursary Award winner is chosen from each year’s student paper presenters. The award goes towards the costs of attending the CAA Conference the following year, up to a…

Chinese universities have big ambitions to be among the leading international higher education institutions. What does this mean in terms of opportunities for researchers at the universities of Leiden, Delft and Rotterdam? Staff at the universities recently discussed the issue.

The end of January arrived together with welcome guests from Saxion University of Applied Sciences. As a part of their two-day-long visit to South Holland, almost 100 Saxion archaeology students visited our Faculty.

Recently, Wim Voermans, Professor of Constitutional and Administrative Law, and Jaroslaw Kantorowicz, Assistant Professor at the Institute of Security and Global Affairs and a research associate at the Department of Economics, were awarded a grant from the KNAW Statesman Thorbecke Fund. This grant will…

For more than forty years Heinrich Witte was responsible for the flora in the Hortus botanicus in Leiden. The 19th-century garden manager made the Netherlands famous with plants from Japan. The Old University Library is showing an exhibition of his work (19 August to 4 November).

Nico Staring, researcher in Egyptian art, culture and history, is taking part in the Leiden-Turin excavations in Saqqara, Egypt. The site of Saqqara is interesting because it was utilized as a cemetery but also the veneration of gods for a period of more than 3000 years, between ca. 3000 BCE to the…

Leiden criminologists have co-developed an artificial intelligence technology that tracks firearms incidents by scanning over 350 news sources.

Monday 25 May saw the visit to Leiden of President Michelle Bachelet of Chile, accompanied by Queen Beatrix and Princess Máxima. Following a talk in the Academy Building on strengthening democracy in Latin America, the President signed a number of Memoranda of Understanding (MoUs).

For the first time, scientists have traced back a high-energy neutrino to its source in space. It was produced by a so-called blazar—a supermassive black hole. Researchers from neutrino detector IceCube report this in Science. ‘This is a milestone for neutrino science,’ says physicist Dorothea Samtleben…

Many members of Chicago's P'urhepecha community did not even know they lived a stone’s throw from some of their own historical heritage. Researcher Kate Bellamy organised a meeting to introduce them to books hundreds of years old.

Leiden University’s Executive Board has appointed South African Professor Ann Skelton as the new Chair of Children’s Rights in a Sustainable World as of 1 October 2022.

Leiden University is participating in a project to reassemble Roman vessels from between 80 - 200 AD. The 'Zwammerdam ships' are already world famous in the world of archaeology, and guest researcher Tom Hazenberg hopes to extend this fame beyond its academic boundaries.

On Wednesday, 21 February, a diverse group of students, staff, and representatives from 21 embassies gathered in The Hague for International Mother Language Day. Under the banner of 'a bit of fun and many serious topics,' language took centre stage.

All supermassive black holes in the centres of galaxies appear to have periods when they swallow matter from their close surroundings. But that is about as far as the similarities go. That's the conclusion reached by British and Dutch astronomers from their research with ultra-sensitive radio telescopes…

An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.

On 14 November 2025, representatives from several organizations across the publishing reform and research assessment reform communities gathered in Pisa, Italy, for a workshop aimed at identifying and advancing joint actions to strengthen both movements.

Historian Alanna O’Malley has been appointed to a brand-new Professorial Chair in United Nations Studies in Peace and Justice in The Hague. This extra attention for the UN comes at a significant moment in world history, she says.

Emily Gdula, Liselotta Jahnke, Jason Irwin and Josephine Hercules are the newly appointed student representatives on the Programme Committee (OLC). This committee provides advice to the Executive Board and the Faculty Board of CADS on various educational issues, including the development of Course and…

Higher temperatures are resulting in changes to vegetation and soil in mountain areas throughout the world. An international research team including Leiden ecologist Ellen Cieraad published an article on 25 January in Nature on the disruption to the ecosystem.

Hundreds of beautiful and timeless photos by Emmy Andriesse, one of the most important Dutch photographers of the twentieth century, are now freely accessible for everyone and can be used for research, education or other purposes. Large parts of Andriesse's oeuvre are already available online via Digital…

Visual art played an important role in the development of cooperative human behaviour. This is the finding of Larissa Mendoza Straffon, a PhD candidate in archaeology, whose dissertation explores the biological and psychological foundations of visual art.

Emilie Stumphius and Lennard Kosterman competed in the 10th Business Mediation Competition in Paris. The two Leiden Leadership Programme students were the first team from Leiden University to participate, after winning a wildcard at the Dutch Mediation Competition.

NUFFIC’s Orange Knowledge programme, funded by the Ministry of Foreign Affairs, awarded a grant to the proposal of Jacqueline Vel, Adriaan Bedner and Leiden alumnus Fachrizal Afandi just before the Christmas holidays.

In July 2023, Leiden University conducted another phase of its ongoing archaeological collaboration with the Kalinago Territory in the Caribbean island of Dominica. Activities focused on mapping and assessing coastal sites impacted by climate stressors, undertaking knowledge-exchange sessions, and co-creating…

Population growth, economic expansion and the associated land use caused an increase in the number of bird species facing extinction and a reduction in carbon storage worldwide. These are the findings of an international team of scientists, also from the Leiden University Institute of Environmental…

Last week, aviation professionals and leaders from around the world gathered in Chicago to celebrate the 80th anniversary of the Chicago Convention, the landmark treaty that laid the foundation for modern international civil aviation and established the International Civil Aviation Organization (ICAO).…

Dr Alex Geurds was elected as a Fellow for the Society of Antiquaries, a prestigious and old educational charity based in London. Established in 1707, the society aims at the encouragement and advancement of the study and knowledge of the antiquities.

Cars, wind turbines, solar panels and smartphones. ‘Critical’ raw materials like platinum or cobalt are used in all the technologies that are essential for the energy and digital transition. But we should be aware of the scarceness of these materials, a new campaign warns.

Neanderthals at Pech-de-l'Azé I in South Western France had a striking use for manganese dioxide 50,000 years ago.

Due to the increasing resistance to certain antibiotics, the life-threatening condition sepsis is becoming harder to treat. For her PhD project, Leiden pharmacologist Feiyan Liu used mathematical modeling to find out how antibiotics can be used more effectively to cure sepsis.

In January 2015, during an excavation ahead of a road-building project in the west of the Netherlands, archaeologists from the Faculty of Archaeology at Leiden, ARCHOL BV and ADC Archeoprojects recovered an extraordinary set of Bronze Age artefacts.

The winner of the Africa Thesis Award 2023 is Rachel Dubale, a graduate from the Research Master in African Studies at Leiden University, with her thesis “They think we can eat the condominium”. Chronicles of Economic, Social and Political Practices in Addis Ababa’s Condominiums.

What is the best living environment for dementia patients? To answer this question, Daniela Gawehns is using data mining methods to search through different types of data source. Her research is inadvertently building a bridge between two disciplines that are sometimes somewhat wary of each other.

An international congress, lectures and a new book series and magazine. It’s a hot topic at the moment that attracts broad public interest. Researchers, from historians to legal experts, are bringing together their expertise in the Leiden Slavery Studies Association.

Hoe kan het dat universele mensenrechten wereldwijd niet hetzelfde in de praktijk worden gebracht?

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.

The Institute for Philosophy further expands its knowledge: As of 1 September, Annemie Halsema holds the chair of Wijsgerige antropologie en de grondslagen van het humanisme (Philosophical anthropology and the principles of humanism, ed.). In the coming five years, she will study current societal issues…

At the end of the 7th century something curious occurs in Northwestern Europe. Suddenly, people start burying the dead next to their dwellings instead of in communal cemeteries. Professor Frans Theuws recently published a book on this phenomenon. ‘We wanted to know if the study of these farmyard burials…

How do you gain access to insurance? With whom are you willing to share the risk? And when does an insurance policy pay out? These and other moral questions are what Erik Bähre, an anthropologist at Leiden University, and his research group study.

Alumna Marte Luesink took both a bachelor’s in International Studies and a master’s in International Politics at Leiden University. Very quickly after graduating she was offered a job as researcher at the Leiden Institute of Political Science.

On 8 and 9 July 2022, Leiden Law School hosted the second conference of the Research Group on Institutions for Conflict Resolution (COI).

From 16 to 18 August, 30 participants from 18 different countries gathered online to participate in the Online Summer Programme: Preventing, Detecting and Responding to Violent Extremism, organised by Leiden University’s Centre for Professional Learning (CPL) together with the International Centre for…

Paul Hudson, a professor at Leiden University College, is organising a symposium on water management in the Netherlands and abroad that will take place on 22 March. We asked him what makes water management so important.

History can be found in utensils and in interviews with ordinary citizens. ‘With the reconstruction of everyday life, an anthropological approach works better,’ thinks historian Jan-Bart Gewald. Inaugural lecture on 6 June.

The strange tropical plants belonging to the Corsiaceae family first emerged millions of years ago on the supercontinent of Gondwana. That is what Leiden University researcher Constantijn Mennes concludes in an article in the Journal of Biogeography.