Testing chemical substances without using animals. It seems a utopia, but a European team is going to develop a way to make this a reality. The RISK-HUNT3R project, led by Leiden professor Bob van de Water, received 23 million euros from the European Commission for this purpose. The project was launched…

Traditional school tests, like the Dutch CITO, largely reflect students' existing knowledge and abilities. However, dynamic testing sheds light on students' learning potential, discovered Mirjam de Vreeze in her PhD research. This approach is especially promising for children with learning challenges,…

This course provides an insider perspective into the work of international criminal courts and tribunals. You will learn about the investigation and prosecution of international crimes in The Hague.

In this course, you will explore the organs involved in our food digestion and discover the common causes of abdominal and pelvic pain. The latest graphics and animations will give you new insights and understandings of this part of the body.

Thanks in part to the persistence of a Leiden research group, cancer could be detected in the near future with just a single drop of blood. Not only can the diagnosis be determined at an earlier stage, but the blood test is also cheap, fast and patient friendly. The first results of this method seem…

What is the best method and time to test the effectiveness of medicines? PhD student Rob van Wijk of the Leiden Academic Centre for Drug Research (LACDR) discovered zebrafish larvae are best used in drug research when they are five days old. His findings were published on 15 February in the journal…

This course explores international arbitration as one of the most common methods of international dispute settlement. You will gain an in-depth understanding of international arbitration through the analysis of its role as a mechanism of dispute settlement, its institutions, the fields of law it is…

The online exhibition 'Art of Captivity' corresponds with the publication of anthropologists Kevin Lewis O'Neill and Benjamin Fogarty-Art Valenzuela's book the Art ofCaptivity (University of Toronto Press 2020).

A meeting place for singing parrots. That is one of the ambitions of Michelle Spierings’ new project. With her awarded NWO XS grant, she wants to test the parrots’ hearing ability. ‘I am curious to see how they can recognise and imitate changing melodies. And it would be amazing to test that with a…

In the second semester of this academic year (February 2025), the Faculty of the Humanities will switch to Ans for digital exams. Several lecturers have already gained experience with the new platform through pilot exams. Two lecturers from Dutch Studies, Liesbet Winkelmolen and Myra Arends, share their…

Songbirds apparently use mnemonics rather than more complex grammatical rules to recognise structures in which they have been trained. Leiden behavioural biologist Caroline van Heijningen published an article on this subject on Tuesday 17 November in PNAS.

In a virtual game environment, one of the positive effects of anonymity is the absence of one's prejudice toward others, which can give a person the freedom to change and experiment (Bartle, 2003). This project will adopt anonymity to be added to online cross-cultural collaborative learning in higher…

Study information

Researchers from the Leiden University Medical Center (LUMC) are working on the first diagnostic test for leprosy that can be used outside a laboratory. This will not only reliably diagnose leprosy, but also be cheap and easy to use. Leprosy mainly occurs in low-income countries. A double challenge…

Researchers at Leiden University Medical Center (LUMC) and Radboud university medical center have been given the green light to deliberately infect volunteers with malaria in order to test a highly promising vaccine on them.

To check whether the classroom scanners are secure, a ‘pen test’ was performed in the Lipsius building on Monday 28 March. This involved switching on the person counters for a day so that ethical hackers could try to gain access to the system.

Leiden University Medical Center (LUMC) has spent the past five years coordinating an international study of genetic mutations and breast cancer risks. The results will make it easier to determine which genes increase the risk of breast cancer and to what extent. The researchers published their results…

Toxys, Leiden University and Leiden University Medical Center have agreed immediately to commercialise and also develop further the ToxProfiler technology invented at the two institutions. ToxProfiler allows for rapid toxicity hazard identification of novel and existing drugs, chemicals, and other substances.…

When an employee returns from an area considered to be a corona risk, can their employer require them to have a corona test? This is a complicated issue if you consider labour law and legislation in relation to privacy of employees. However in some cases Barend Barentsen, Professor of Labour Law, believes…

This course explains the functions of each international court and tribunal in The Hague. On the basis of cases and interviews with judges and lawyers, this course explores the role of these courts and tribunals and their potential to contribute to global justice.

Unfortunately, Covid-19 won’t be the last infectious disease to sweep across the world. To nip such diseases in the bud, a team of Leiden students is developing a test kit that will be able to detect infectious diseases at an early stage. With this idea, they won the Grand Prize of the international…

The current dissertation presents a review study and three empirical studies, focusing on the understanding of the state of the art of research about PjBL in higher education and the investigation of the relation between PjBL and student outcomes in the context of Chinese higher education.

Leer meer over de Master Education and Child Studies tijdens de Online Master's Open Dagen van de Universiteit Leiden.

Mini organs-on-chips allow us to study how diseases develop and how drugs work. Although the technology is not new, it is becoming increasingly advanced. PhD candidate Bart Kramer hopes it will eliminate animal testing in the future.

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.

Interest group Animal Rights has started a test case to prompt the Netherlands Food and Consumer Product Safety Authority (NVWA) to tackle farmers who do not adequately protect their livestock against wolves. The test case concerns a rejected enforcement request to the NVWA. In it, the NVWA were called…

On 11 May the House of Representatives voted in favour of a law that will enable some sectors to reopen sooner than planned with the aid of test certificates. Political philosopher Josette Daemen is critical of the new legislation. ‘Just because we get used to measures doesn’t make them desirable.’

Currently, more and more universities are experimenting with various forms of digitization: MOOCs, SPOCs, but also the adoption of YouTube video’s, online quizzes and other online learning methods in university education. Many of these educational methods are not just digital, but also freely accessible…

In our digital society, the internet seems to offer endless possibilities for expressing yourself, gathering information, and making contact with others. The anonymity of the internet seems to give us the freedom to come and go as we please. But what about our online privacy? Should it be dealt with…

The Bolivian people will make their opinion known on a change to the constitution in a referendum on 21 February. Leiden University organised a symposium on the referendum on 11 February. The aim of the change is to allow President Evo Morales to remain in power until 2025.

Bioprinters that enable scientists to engineer complex tissues and organs. It sounds like science-fiction, but not for the scientists of the Alireza Mashaghi lab at the Leiden Academic Centre for Drug Research. The lab has recently been equipped with two state-of-the-art bioprinters: BioX and LumenX+.…

A consortium called 'uNLock' has started developing an open source, non-profit application that will facilitate the verification of corona tests while ensuring maximum security of users.

It is the spring of Arts and Science! On Tuesday April 16, Young Academy Leiden organized an interfaculty lunch during the Spring of Arts and Science, a season of interdisciplinarity that is being organized together with Jong Universiteit Leiden (JUL). This first event was a visit to Rijksmuseum Boe…

Pushing the limits and trying things out. The academic year of the Honours Academy started on 10 October and all the speakers encouraged students to jump in at the deep end.

Researching as a student how you can make your own student house free of natural gas. That is now possible because of a new collaboration between Leiden University and the municipality of Leiden and The Hague.

Promotores: J.C. van Houwelingen, S.A. van de Geer

The Index of Middle English Prose, of which twenty-three volumes have been published since 1984, now has an online presence at imep.lib.cam.ac.uk. Thanks to the kind co-operation of Cambridge University Library and of the publishers, Boydell & Brewer, the indexes to all the volumes are now available…

In de ochtend van 6 november 2021 organiseert Signum een online symposium over het Delftse kartuizerklooster getiteld "Initiatiefnemers, draagvlak en materiële representatie van middeleeuwse kloosters. De casus van de Delftse kartuis". Deelname is gratis, maar aanmelden is noodzakelijk via patricia.stoop@uantwerpen.be.…

Our courses embrace developments in technology. Our teachers adapt technological innovations to their discipline, and we keep our teaching up to date on rapid developments in the digital world.

Leiden Professor of Translational Rheumatology Hans Ulrich Scherer has one foot in the clinic, where he helps patients, and the other in the lab, where he supervises researchers. He bridges these two worlds in his hunt for autoimmune rheumatic diseases.

How would you convert Egyptian hieroglyphs into Latin script? And what is actually the correct translation of dishes on a Vietnamese menu? On Saturday 28 January, high school students from all over the Netherlands will come to Leiden to ponder a series of language-related puzzles. Their goal? To win…

This paper examines the need and possibility for developing online resilience-based approaches in response to COVID-19 vaccine conspiracies, often linked to the far right.

On 29 January 2019, Robbert J. van Eijk will defend his Ph.D thesis, in which he investigates the online advertisements that seem to follow you.

Want to have your say on the future of Leiden University? On our teaching, research and the organisation itself? Register for one or more online meetings on 25 and 28 June and you’ll be able to discuss this with other students and staff.

A full overview of all loans and debts between banks would help preventing a new financial collapse. But banks do not provide this information. An econophysics model by Diego Garlaschelli and collaborators reconstructs the most probable situation and finishes first place in two independent tests.

A conversation about expanding the disciplinary boundaries of the study and teaching of pre-modern English literature, on the occasion of the publication of Sjoerd Levelt’s The Middle Dutch Brut: An Edition and Translation. With: Shamma Boyarin (University of Victoria), Shazia Jagot (University of York),…

Researchers from the Plant Ecology and Phytochemistry group at the Institute of Biology Leiden (IBL) received an STW (Stichting Technologische Wetenschappen) grant for applied studies in plant herbivore resistance with potential for a novel resistance test.