Antwoord op veelgestelde vragen over onderzoek met proefdieren bij de Universiteit Leiden. FAQ

At Leiden University, in both our biomedical and biological research, we use laboratory animals. Learn more about these specific areas of research and the goals we aim to achieve through these studies.

Animal experiments are not undertaken lightly; we are working with sentient beings. As scientists, we have great responsibility to handle laboratory animals with care. Read here how we consider and justify this.

Dissertation

The right medicine in the right dosage for every patient, that is something medical science aspires. 'Personalised medicine' is the term for that. But it does require a lot of research with patient data and that can be hard to get due to privacy legislation. Researchers Laura Zwep and Coen van Hasselt…

The NestWacht project is a Citizen Science collaboration between Science Centre Delft, Naturalis, and the Citizen Science Lab of Leiden University to engage individuals, families and primary schools in Leiden and Delft in scientific research on the impact of climate change on nature in their city, and…

‘Even at the deepest point in the ocean you can still hear the noise from boats,' says biologist Hans Slabbekoorn. ‘And that's while sound is the most important means of communication for underwater life.' What is the effect of all that underwater noise on fish and other animals? Slabbekoorn is on board…

Although smartphones and other consumer cameras are increasingly used for scientific applications like citizen science, it’s still difficult to compare and combine data from different devices. PhD student Olivier Burggraaff developed a new easy-to-use standardised method which makes it possible for…

Jan Aart Scholte is the first professor on the new Leiden interdisciplinary programme, Global Transformations and Governance Challenges. He researches how to tackle global challenges such as climate change and inequality. Inaugural lecture on 4 February.

Soil that is too wet, or too dry. Or with a lot or few nutrients. Due to climate change, the differences are becoming bigger, and plants must increasingly be able to adapt to survive. How do you make plants more stress-resistant? For this purpose, researchers from Leiden, along with other universities,…

How do we tackle financial stress among students? Policymakers and students came up with a plan. The outcome has been a report that the university can use to help answer the question. Vera Hilgevoord organised the brainstorm session with students and has compiled their ideas.

The Modern and Contemporary Cluster is the largest within LUCAS and home to more than 100 staff members and PhD candidates. Hosting a diverse group of young and advanced scholars, it offers an especially fruitful and dynamic environment for interdisciplinary collaboration.

Leiden University seeks to bring knowledge, academic top talents, and resources from Leiden and China together in mutually beneficial joint research projects that are content-driven, based on existing excellent research.

In the Drug Research theme, we primarily work with rodents. Rodents, such as mice, are one of the most common laboratory animals. These small mammals are easily housed and exhibit a rapid rate of reproduction.

LUCAS members are experts in the fields of literary history and theory, film and media studies, and art, architectural, and book history.

The CWTS research data management guidelines outline a set of expectations about how CWTS researchers should go about handling data that is collected, processed, (re)used, and shared throughout the lifecycle of a given project.

Within the two-year Astronomy master’s programme, you can choose from seven specialisations, ranging from fundamental or applied astronomy research in cosmology, instrumentation or data science, to combinations of astronomy research with education, management or science communication.

The Institute of Psychology is responsible for innovative and interdisciplinary research and education within psychology and related disciplines. It focuses primarily on four broad areas: Health and Wellbeing; Development and Learning; Socio-Cognitive-Affective Decision-making and Advanced Behavioural…

Researchers, civil servants and local residents met on 27 September to talk about partnering for sustainability. What were the results? In a green ‘city oasis’ in the centre of The Hague they spoke about the energy transition, bottom-up initiatives and citizen science.

Designed for high-achieving students, Leiden University’s research MA Asian Studies offers access to unique resources and expertise. Asian Studies at Leiden University has a reputation for excellence that is unmatched in Europe.

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

This article assesses Russian rhetoric toward Ukraine from 2004 to 2019 by analyzing statements by the Russian Ministry of Foreign Affairs.

On 6 June 2019, Edward Donelan defended his thesis 'Regulatory Management Policies and a Universal Model for Public Policy Making, Legislative Drafting and Managing Stocks of Legislation'. The doctoral research was supervised by Prof. W.J.M. Voermans.

In the first part, we introduce a new condition, called toric-additivity, on a family of abelian varieties degenerating to a semi-abelian scheme over a normal crossing divisor.