Plagiarism is a violation of someone else's intellectual property. Leiden University stands for integrity and reliability in the way our researchers conduct research, and we consider plagiarism to be a serious offence.

Plagiarism is considered fraud. There can be serious repercussions for students that commit plagiarism. The university provides tools and support to check whether students have committed plagiarism in assignments and papers.

To protect sensitive data, such as personal details or confidential business information, the university uses so-called sensitivity labels in Microsoft 365. On this page, you can learn what sensitivity labels are and how to use them.

Hortus botanicus Leiden is a treasure trove for research into interactions between species. Surprising discoveries are being made with new techniques such as DNA analysis, machine learning, and audio and video monitoring. Hortus prefect Barbara Gravendeel will explain more in her inaugural lecture on…

All doctoral dissertations are checked for plagiarism before they are submitted to the doctorate committee.

Mum works in healthcare, dad in engineering and everyone is straight: many textbooks still show men and women in stereotypical roles, PhD candidate Tessa van de Rozenberg has discovered. She also found that children’s views on these topics often closely resemble those of their parents.

Leiden University offers practical facilities and support to ensure your teaching runs smoothly. Here you will find all information about procedures and tools, as well as answers to questions such as: How do I borrow audiovisual equipment? What are the guidelines for assessment? And how do I reserve…

Five Leiden researchers have been awarded a Consolidator Grant by the European Research Council (ERC). This grant of up to two million euros will enable them to continue and expand their scientific research.

PhD defence

The Netherlands celebrates Space Exploration Day on 12 April each year. Space exploration has brought us ground-breaking discoveries with applications on Earth as well as in space. Leiden University is at the forefront of space innovation. Below are some examples.

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

Goede en actuele data zijn cruciaal om infectieziekten effectief te bestrijden en de volksgezondheid te beschermen. Bijzonder hoogleraar Susan van den Hof en haar team zetten zich in voor betere data-methoden, zodat infectieziekten vroeg worden opgespoord en doeltreffend worden aangepakt.

As an experiment, student Alicia Cai relied solely on AI tools such as ChatGPT and Claude for supervision while writing her thesis. What lessons were learned?

To find out more about student well-being, check out the information below.

ICT, Security

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

ICT, Security

ICT, Security

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

Korrie Korevaart, a former director and lecturer in Dutch language and culture at Leiden University, has been made a member of the Order of Orange-Nassau. Korevaart, who has retired but is still a guest member of staff at the university, has received the honour for her work at the Faculty of Humanities…

How can Europe lead the way in vaccine development that is fast and for all? To answer this pressing question, Professor of Vaccinology Meta Roestenberg is holding a panel session on 14 July at the EuroScience Open Forum in Leiden.

An impressive 875 students from all corners of the globe are taking part in Orientation Week Leiden (OWL). After all the lockdowns in their own countries, they’re glad to meet up in real life in Leiden. What do they expect of their studies here?

The effects of sustainability projects on poorer, marginalised people should be considered at a much earlier stage. This is the opinion of Marja Spierenburg, Professor of Anthropology of Sustainable Development and Livelihood, who will give her inaugural lecture on 25 February.

Ten years ago, a new reward system was introduced in Dutch prisons: the only way prisoners could earn extra ‘freedoms’ was through good behaviour. Jan Maarten Elbers concludes that this system does little to encourage behavioural change and can even be counterproductive.

On 9 December, a lottery to conclude the first call of the Leiden University Global Fund (LUGF) Seed Fund has granted 14 project proposals €15.000. These projects will be working to enhance the relationship between Leiden University and her partners in Africa, Latin America, North East and South East…

Complex research with a generous sprinkling of jargon: PhD defences can be difficult for non-experts to follow. In the compulsory new lay talk, PhD candidates begin by explaining their dissertation in words of one syllable. And it’s not just the PhD’s family and friends who appreciate this.

A delegation from the University of Edinburgh recently visited Leiden University to deepen their collaboration. What makes Edinburgh such an attractive partner?

Sustainability researchers can play an important role in the energy transition. But what if their partners are not (yet) sustainable and science itself has adverse effects? This is the subject of an online talk by researcher Thomas Franssen on 16 December with a discussion afterwards. ‘Clean energy…