How did political actors speak when confronted with perceived threats to the existing order? And how did such speech, in turn, shape political outcomes over time?

Physicists and instrument makers in Leiden have succeeded to optimise a spring that almost completely filters out vibrations at temperatures near the absolute zero. This breakthrough opens the door to a new generation of highly sensitive experiments.

Wat kan de EU doen als een lidstaat Europese waarden aan zijn laars lapt? Kunnen en moeten rechters waarden als gelijkheid, menselijke waardigheid en de rechtsstaat dan direct handhaven? Ja, oordeelde het Europese Hof van Justitie recent in het baanbrekende arrest Commissie tegen Hongarije (C-769/22…

Has a university building or university property been damaged? If so, it is important that you report this. There are different procedures for reporting incidents during and outside office hours and in emergencies.

A partnership with a university or organisation outside of the Netherlands must be based on an agreement. In some cases, Leiden University will not have exchanged students or staff with this university before, and you will first need to create a Memorandum of Understanding (MoU).

Study support

FSW building, Wassenaarseweg 52, 2333 AK, Leiden

Leiden University wishes to attract and retain talented researchers, both male and female. This is not something that happens by itself, which is why we prioritise the theme of diversity.

The digital accessibility expert group focuses on improving the accessibility of the university website, digital learning tools and digital examinations. As a result of the corona crisis many educational activities are now online. The group is therefore working closely with the Centre for Innovation…

The Harmonisation of Educational Logistics programme is a University-wide programme spanning several years. A programme structure has been developed to ensure that everything runs smoothly, that the University takes the right steps and decisions and that the right people are involved in the programme.…

The University wants to be able to ensure a secure (digital) environment. Protecting information is the responsibility of all of us. Protect your and your colleagues' work by using secure tools and safe practices. Keep reading to find out how to handle information securely.

Study support

Are you handling personal data just once, for instance when taking the minutes of a meeting or organising an employee outing? You do not need to include this use in the data processing register if you stick to the following conditions.

The confidential counsellor for research integrity is your first port of call for any questions or situations relating to research integrity, or if you have suspicions about a current or former employee of Leiden University. All your meetings with the confidential counsellor are confidential.

The layout of a dissertation must meet certain requirements. Special rules also apply if the dissertation was written with others or if a commercial edition will be published.

Each degree programme has its own programme committee. This is a legal requirement. Students and lecturers sit on the programme committee. Together they monitor the quality of the teaching, flag up any problems and advise on the development and implementation of the teaching policy.

Through Open Access, research results from around the world are freely accessible to all. It is an incentive for exchanging and utilising knowledge and fresh insights between scientists, companies and social institutions. The Centre for Digital Scholarship at the University Library offers support with…

The objective of the Timetabling project is to simplify the timetabling process make it more logical, and to improve the timetable information for students and staff.

Study support

Institutions of higher education must be accredited to ensure they provide a high standard of education. Students, employers and other members of society can thus be assured of the quality of this education. All degree programmes at Leiden University are accredited, and one aspect of this is the site…

Conference

Data management refers to creating, saving, updating, making available, archiving and long-term storage of research data. The final goal of this process is often defined in terms of the FAIR principles: 'Findable, Accessible, Interoperable and Re-usable'.

Education

Here you can find more information about how to use BAS InSite.

Marcellus Ubbink has been reappointed as Scientific Director of the Leiden Institute of Chemistry (LIC) until 1 July 2030. ‘In the coming years, I want to focus on maintaining and developing our excellent teaching and research.’

Lecture

In this editorial, Nature endorses the 'Leiden Declaration on Artificial Intelligence and Mathematics', which was published earlier this month by researchers from fifteen different universities, including Rodrigo Ochigame (CADS) and David Holmes (FWN).

Why does EMDR therapy actually work? And how do people experience a small dose of psychedelics? Curious Psychology bachelor's and master's students investigated these and other questions through their research projects. They presented their findings during Science Day.

In some cases, PhD candidates are permitted to follow a PhD track that involves conducting research and receiving supervision at two institutions: Leiden University and another university. On this page, you can read what forms of agreement there are.

Guests and visitors at the University can be given temporary access to the wifi network. Staff of Leiden University can arrange the accesss to wifi themselves via the Eduroam Visitors Accesss (eVA). If a guest wishes to make use of the University’s wifi network for longer, a ULCN guest account is…

Any loss of control over stored personal data is a potential data breach. Most cases involve stolen or lost digital files, but a stolen or lost printed list of personal data is also a data breach. It is important to report any data breach.

Leiden University aims to create a safe environment where everyone feels comfortable and no one experiences unacceptable behaviour. Should students experience this nevertheless, there are various resources that you can refer them to.

Since the 2025-2026 academic year, a new door policy for exams has been in effect. During lectures, students are asked to register for exams. It is therefore recommended to emphasize during lectures that students must register. Students who are not registered may, under certain conditions, still participate…

Leiden University, Delft University of Technology and Erasmus University Rotterdam have been collaborating intensively for many years. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance. This has allowed us to approach important and complex societal…

Use the mobile laptop trolley in the Lipsius for digital education with your students

Using secure tools ensures that information and personal data are well protected. ‘Tools’ refers to software that can help you perform your work efficiently, such as email software or a file-sharing system. To quickly see whether a specific tool is permitted, check the tool picker!

If you handle personal data, there are a number of legal grounds on which this can be done. One example involves obtaining consent from the person in question, also known as 'informed consent'. This informed consent must adhere to several requirements.

The Leiden Research Support Network is the essential network for research support professionals within Leiden University, where colleagues work together and share their knowledge to provide optimum support for researchers. The network's strength lies in the collaboration throughout faculties and ins…

Diversity

Leiden University has policies in place regarding travel restrictions for students and staff within the context of their studies, work or research. The basis of these restrictions are the Dutch Ministry of Foreign Affairs travel advisories.

Higher-education institutions must be assessed and accredited once every six years to ensure they provide a high standard of education. You may be asked to speak to the assessment panel during the institutional audit.

Degree programmes must be assessed and accredited once every six years to ensure they provide a high standard of education. You may be asked to speak to the assessment panel.

Arts and leisure, Arts and leisure

Arts and leisure, Arts and leisure

The Faculty Club is a meeting place for the University community, where you can enjoy a drink or an (in)formal lunch or dinner. It is also a great location for meetings, receptions, buffets and dinners.