The Dual PhD Centre facilitates dual PhD research at Leiden University. The dual PhD programme of the Dual PhD Centre offers professionals the opportunity to devote part of their working time to conducting PhD research. Be aware that this programma is being offered in Dutch only.

Since the adoption of agriculture people have cultivated fields. The project concerns all kinds of aspects related to raising crops.

Morphology is the grammar of words. Morphologists study how words are built and what principles govern their form and their function.

Promotores: Prof.dr. M. Franx, Prof.dr. M. Kriek (Univ. of California at Berkeley)

This volume of Analecta Praehistorica Leidensia focuses on how local communities in prehistory define themselves in relation to a bigger social world.

LIAS aims to advance the globally conscious vision of area studies, both within and outside the academic community. Focusing on Asia and the Middle East, the institute is a meeting place of multiple fields of inquiry, theories and methods, historical periods, and areas.

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

This dissertation addresses the different use of the same philosophical model: immanent teleology. In this work Aristotle, the founder of the study of final causes, is put in relation with the modern French evolutionary thinker Henri Bergson, the philosopher of time. The dissertation tackles the two…

Harm reduction in practice: a comparative analysis of the Dutch and Brazilian approach towards drug users.

Describing a new language for the first time is an exciting and challenging intellectual experience.

The results of the investigations by citizens are used in an innovative research project that investigates the potential of machine learning and automated detection in archaeology.

Did early farmers deliberately use animal manure on their fields?

Today, humanity produces sufficient calories, in theory, to feed the 7.7 billion people on the planet: the amount of food produced per person on the planet has gone up more than 40% since the 1960s. Yet, ironically, the prevalence of undernourishment – which had been declining for decades – has started…

The Leiden University doctoral / PhD programme takes around four years of study and consists of independent and original research under the supervision of a professor.

Law is of major importance for socio-economic development. Ideally, law organises human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

If you are aware of the admission requirements of the bachelor’s programme Archaeology of Leiden University, it's time to check the application deadlines.

The correctness of computational systems is of great importance to our society, since it becomes ever more reliant on the benefits of computing.

Does a shared idea of the ‘public servant’ exist in Europe? Sager, Overeem, and others explore.

Negative perceptions of ambiguous social cues, social performance and physical arousal in socially anxious youth

How to explain the apparent high success rates of the EU infringement procedures, which are the major tools for enforcing EU law, against the member states?

At the LAK you can participate in a large variety of artistic and creative courses taught by our professional teachers. We offer courses in the following categories: theater and presentation, dance, visual arts, music, photography and writing (literature). All staged art courses come to a close with…

In this thesis, we developed new ways to use a technique called electroextraction (EE) to extract charged molecules from one liquid into another using an electric field.

The Algebra, Geometry and Number Theory specialisation offers excellent preparation for a career in research and is a strong foundation for pursuing a PhD. At the same time, the skills you develop open doors to diverse career opportunities outside academia.

Choosing a study programme is fun and exciting, but it’s not always easy. Your choice of study is a major decision; after all, it is about your future. At the same time, it’s good to remember that this choice will not determine the rest of your life.

At the Lak you can participate in a large variety of artistic and creative courses taught by our professional teachers. We offer courses in the following categories: theater and presentation, dance, visual arts, music, photography and creative writing. These courses will not only help you to further…

Knowledge and culture subproject 1:

Below you can read about studies we have carried out in the past.

Master’s student in Company Law Jelle van der Werff left for Melbourne in February 2025 for a six-month exchange. It turned out to be a great opportunity: ‘Getting to know so many different cultures in one place is really special.’

In 'That's Why Teacher', our educators share their experiences. Asking challenging questions to seek a deeper understanding is how Stella Trompet perceives the growth of her students. She serves as a lecturer in the half-minor and master's programme Health, Ageing, and Society at LUMC/Leiden Univers…

The LL.M. (Governance of Migration and Diversity specialization) provides in-depth expertise on migration, asylum, diversity, and non-discrimination law with an international and European focus. Courses span multiple academic disciplines, including law, history, sociology, political science, and development…

Integrating life cycle assessment (LCA) with life cycle costing (LCC) offers the opportunity to simultaneously analyze the environmental and economic aspects of product alternatives, for the integration of which a unified computational has been proposed by Heijungs et al. (2013) [1]. The project aims…

Leiden experts research ways in which European legislation is converted into national legislation. Knowing how this process works can inspire policy-makers trying to achieve their aims while abiding to Europan legislation.

When psychologists repeated a hundred studies in 2015, their results differed in two-thirds of the studies. ‘Research into research is not a luxury but a necessity,’ says Professor of Methodology and Statistics of Psychological Research Mark de Rooij. ‘My aim is to improve psychological research, to think…

Leiden University actively seeks to prepare students for the labour market and wants to help young alumni at the start of their careers. For this we like to use the knowledge and experience of Leiden alumni. To bring these students and young alumni who have questions about their career in contact with…

Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.

The earth has more than 7 billion inhabitants, all of whom leave behind traces of pollution. However, not all forms of pollution have the same harmful effect. Leiden scientists help determine where we should put our priorities.

LUMC researchers are looking for factors that point to illness at an early stage.

Brenda M.S. da Silva and colleagues designed and validated the “Moral Emotions Questionnaire” (MEQ) for identifying three major moral emotions in preschoolers – allowing to separately measure guilt, shame and pride at the youngest ages.

LUMC researchers are looking for factors that point to illness at an early stage.

Under Dutch law, like German or English law, the violation of a statutory provision does not establish civil liability for damage caused to another person. Such liability requires that the statutory provision concerned aims to protect against the damage or, put differently, that the harmed interest…

What are key regulators of plant ageing that can reverse ageing in plants (rejuvenation), and how can we use this knowledge to improve crop plants?

A Paleoecological Study of Sittard, Stein, Elsloo and Hienheim

The plans for making the University Library (UB) more sustainable will be carried out in three steps: first the glazing at the front of the building will be replaced with HR++ glass, then the skylights will be renewed and finally the air conditioning system will be updated. Once these steps have been…

The Honours Academy works closely with partner organisations where students carry out practical assignments. In addition, the Honours Academy collaborates with schools to realise Pre-University education.

This project, executed by Marieke Hendriksen MA MRes, aims at an analysis of how the early modern anatomical collections of Leiden University were rooted in ideals of perfection in different fields of knowledge and expertise.