During the spring of 2021, a group of eight biology students from Leiden set out into the dunes in search of amphibians. Using DNA, they determined the geographic origin of the animals. And guess what? In many cases they discovered exotic populations of animals that do not naturally belong in The Netherlands.…

The topics of discussion included multiple choices questions, research on teaching, workload and many other things. On 29 October four new enthusiastic fellows were installed in the Leiden Teachers’ Academy and presented their research innovation projects.

All acute care staff at Leiden University Medical Center have received their first and sometimes even their second dose of the coronavirus vaccine. But how long will you be protected after vaccination and what does the genetic material of the virus do in the vaccine? Our virologists Ann Vossen and Leo…

Is private law ready for the challenges of our time?

The Mathematical Institute has a rather liberal management structure. Tasks and responsibilities are distributed among the staff. Important decisions are taken by consensus. Various organisational divisions are featured below.

Leiden University Medical Center (LUMC) and the Centre for Human Drug Research (CHDR) are taking part in the phase 2 clinical trial of Janssen Vaccines’ candidate coronavirus vaccine. The vaccine will be tested on 45 test participants in Leiden from 14 September onwards.

Are AI models such as Midjourney violating artists' copyright? Dirk Visser, Professor of Intellectual Property Law, spoke about this topic on Dutch current affairs news programme 'NOS Radio 1 Journaal' .

When general laws and regulations no longer fit individual situations, can customisation offer a solution? In the special issue ‘Maatwerk' (customisation) of Boom Bestuurskunde, researchers have tackled the questions that customisation brings to public organisations. The symposium ‘Maatwerk onder maatschappelijke…

Pesticides can form a toxic cocktail when they occur in combination in surface water. This is the finding of research that Leiden University and the Dutch National Institute for Public Health and the Environment (RIVM) presented on Monday 14 October. The Dutch Ministry of Infrastructure and Water Management…

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.

A permanent job or start your own company? After her studies in English Language and Culture and History, Anna Visser (28) was faced with this exact choice and chose the latter. She started working as a freelance translator. How did this go and how did her studies benefit her?

There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…

For a long time, the painful history of colonial slavery received too little attention. People whose ancestors lived in slavery are now asking critical questions about how we should address that past. Leiden University researchers study the history of colonialism and slavery and their long-term impact…

Improving environmental risk assessment of pesticides in surface waters

Overview of Leiden publications on Central Asia. For additional publications dedicated to a single country, please go to individual pages of the researchers, which you can access through the Researchers page.

The emergence of metalwork deposition during the Bronze Age in Northwest Europe, c. 2300-1500 BC

How do tax treaties have to be explained and implemented, and what role does the supranational regulatory process play in this? Which objectives are meant to be used in establishing tax regulations and to what extent are such legislative practices undertaken in a goal-oriented manner?.

Research on this theme concerns Europe’s position in global markets, its response to the emergence of new international trade and financial actors that challenge institutions where Europe has long had considerable influence.

From Roma standing up for their rights in Ghent, to the comeback of African fashion in Ghana. The documentaries from Visual Ethnography students showcase the beautifully diverse world we live in. On UNESCO Audiovisual Heritage Day, they show why it's so important to document.

The documentary ‘De Stem van het Kind’ (The Voice of the Child) gives an impressive insight into the work of juvenile court judges. Documentary maker Pieter Fleury, Professor of Children’s Rights Ton Liefaard and juvenile court judge Johan Visser worked together for the past seven years to make the…

Anthonya Visser, Professor of German Language and Literature, was a PhD candidate in East Berlin just before the fall of the wall. The 'Wende' became the theme of her research. 'My focus is always strongly on the East German perspective.' On 7 November Visser will give a lecture in the Studium Generale…

On I February 2018, at 15.00 hrs, Charlotte Vrendenbarg will defend her PhD dissertation ‘Proceskostenveroordeling en toegang tot de rechter in IE-zaken. Regelingen over proceskosten getoetst aan het EU-recht’ (Litigation costs orders and access to the courts in IP cases. A comparison of litigation…

Ontdek hoe informele gesprekken en lichaamstaal beleid beïnvloeden. Universitair docent Lianne Visser onderzoekt informele besluitvorming wereldwijd.

Presenting a well-thought-out idea to Schiphol experts, a former ambassador or a security expert. For the third-year Security Studies bachelor students, this was a unique experience and a great opportunity last week. 'Who knows, maybe they can work for us in the future!'

Together with the Stedelijk Museum Amsterdam and creative partner Big Orange, Laura Bertens, Sara Polak, Yra van Dijk, and Thony Visser will investigate possible uses of the voice in cultural memory.

Three research projects with researchers from Leiden University have received a Dutch Research Council Open Competition Science-M grant. This is for innovative, high-quality fundamental research within the science domain.

Online teaching has made it much easier for international students to join in our courses. The Leiden minor in Global Health, for instance. Students from Tanzania, Rwanda, Uganda and Malawi logged on and made a valuable contribution with their knowledge, about tropical diseases, for instance.

A suitcase as a messenger of quantum science. That is the idea behind QuanTour, a project connecting researchers from 12 European universities. In December, the suitcase landed in Leiden. A month later, it is time to pass the baton to Copenhagen. But what happened to it in Leiden?

On Tuesday 6 September, the faculty year 2022-2023 got off to a great start with Leiden Law Op 1, our yearly talkshow live from the Kamerlingh Onnes Gebouw. Together with the Faculty Board, academic staff and students, we looked ahead to the upcoming academic year.

Oud-studenten gingen op 30 augustus weer de collegezalen in om hun vaste plekje op de banken op te zoeken tijdens Leiden Revisited. Bezoekers konden genieten van inspirerende lezingen, maar ook van een gezellige borrel, buffet, en livemuziek.

Michiel Claessen, Ineke van der Ham, Nicolien de Rooij and Anne Visser have published a paper in the Nederlands Tijdschrift voor revalidatiegeneeskunde, (Dutch Journal of Rehabilitation Medicine) entitled ‘De weg kwijt na een beroerte: screening, diagnostiek en behandeling’.

Central to Nuranisa’s PhD project is the cultural diplomacy practiced by the Javanese courts of central Java (Surakarta, Yogyakarta, Pakualaman and Mangkunegaran) in response to the increasing Dutch colonial power in the 19th and early 20th century. The Javanese sultanates were incorporated into the…

Research conducted in this group aims at furthering our understanding of how communities and individuals deal with social change, conflict and trauma through remembrance and commemoration as well as forgetting in the arts.

Computers are capable of making incredibly accurate predictions on the basis of machine learning. In other words, these computers can learn without intervention once they have been pre-programmed by humans. At LIACS, we explore and push the borders of what a revolutionary new generation of algorithms…

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

LUCIS affiliated members are researchers outside Leiden University who are actively involved in the study of Islam and/or Muslim societies and who regularly participate in LUCIS activities. LUCIS affiliate membership offers possibilities to cooperate with LUCIS as well as network opportunities. Contact…

In 2023, many of our students and staff won great prizes and secured important research grants.

An overview of awards and prizes granted to our staff and students in 2017, as well as special appointments and royal distinctions.

On Friday 5 September, to mark our 450th anniversary we celebrated the opening of the faculty year together with the Leiden Revisited alumni event. Combining both annual events was a huge success, especially as staff brought along their family, partner or friends.

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

Venomous animals serve as models for a variety of mimicry types. Michael Richardson (IBL) and his international colleagues find that a group of fishes (called fangblennies) evolved venom after the origin of their venom-delivering fangs.

On Thursday and Friday, 1 and 2 March 2018, ICCL students and staff enjoyed a study trip to Brussels, including visits to the Permanent Mission of the Kingdom of the Netherlands, the European Commission and top law firm De Brauw Blackstone Westbroek.

Milan van der Kuil, Anne Visser, Andrea Evers and Ineke van der Ham have published a paper in Frontiers in Psychology, entitled: A usability study of a serious game in cognitive rehabilitation: a compensatory navigation training in acquired brain injury patients.

As of November 1st 2019, Sybille Lammes, Professor of New Media and Digital Culture, will be the new academic director of the Leiden University Centre for the Arts in Society (LUCAS). She succeeds Anthonya Visser, who has been the institute's academic director since 2014. It is a three year-long appointment.…

Fourteen women professors are to be given a place in the classic portrait gallery in Leiden University’s Senate Chamber. The portraits will be unveiled on 8 March – International Women’s Day – by former Minister of Education, Culture and Science Jet Bussemaker and Rector Magnificus Carel Stolker.

The doctor suggests opting for a treatment that is better for the environment. How do patients react to this? Doctors and psychologists together discovered that this has little impact on patient confidence in the doctor.