Streptomyces bacteria are a valuable source of natural products, many of which are used in the clinic or in biotechnology.

Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn

Promotor: Prof.dr. R. Verpoorte, , Co-Promotor: Young Hae Choi

Oxford University Press has published a revised and expanded edition of The Morphology of Dutch (first edition published in 2002).

Promotores: Prof.dr. J.N. Kok, Prof.dr. C.A. Mandemakers, Co-Promotor: G. Bloothooft

There's a whole lot to discover and experience in nature. But children who grow up in the city are seeing less and less greenery. During the Out and About! days junior school pupils will be going on a green expedition in their neighbourhood.

Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.

Design of a Linguistic System for Interstellar Communication Based on Logic

Promotor: Prof.dr. J.N. Kok, Co-promotor: Dr. A.J. Knobbe

Bicarbonate buffer is largely found in nature due to its ability to regulate pH variations around neutral values. As the pH changes, so does the speciation of the buffer.

Bacteriophages, or phages for short, are the most abundant biological entity in nature. They shape bacterial communities and are a major driving force in bacterial evolution.

On the 23rd of January, Anastasiia Ionova successfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Anastasiia on this achievement.

On May 31st, Bobby Ruijgrok succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Bobby on this great result.

Promotores: E. van Dijk, G.R. de Snoo. Co-promotor: H. Staats

The master's programme Industrial Ecology (joint degree Leiden University and Delft University of Technology) is unique in the Netherlands and one of the few programmes in the world combining natural science, engineering, and social science for science-based solutions for sustainability problems.

On the 29th of June, Martin Kohlberger successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Martin on this achievement!

Dr. at the Department of organic chemistry, Wageningen University - the Nederlands

The funerary textile tradition from the Osmore Valley, South Peru, and its social-political implications (2005)

One of the most important puzzles in modern astrophysics is the nature of dark matter.

Leidse milieuwetenschappers doen onderzoek naar microplastics, bestrijdingsmiddelen en bemesting. En binnenkort naar lichtvervuiling en nieuwe materialen uit de nanotechnologie.

Carbohydrates, alongside proteins and nucleic acids, constitute a crucial and versatile family of biomolecules present in all life forms. They manifest as monosaccharides, oligosaccharides, and polysaccharides, covalently bonded to proteins and fats. Carbohydrates are integral to plant and arthropod…

Research at the Leiden University Centre for Linguistics (LUCL) focuses on linguistic variation and diversity. In order to create more awareness and scientific understanding of this topic, research activities are clustered around six (overlapping) umbrella programmes. Many of our researchers are active…

Environmental organisation Greenpeace wants to see a drastic reduction in nitrogen deposition on the Netherlands’ most vulnerable nature conservation areas. This would extend beyond the nitrogen targets that the Dutch government is currently striving to meet. Rogier Kegge, Assistant Professor of Constitutional…

How do you involve a local community to tackle biodiversity loss? How do you create awareness and political movement on climate change? And how do you find a balance between environmental impacts and economic needs when it comes to pollution? These are examples of core questions at the heart of the…

Terrorism, cybercrime, natural disasters and other issues affect the security and safety of millions each day. In Security Studies you learn to unravel security challenges by focusing on the political, historical and societal context in which they arise, as well as the effect of governance, institutions,…

Terrorism, cybercrime, natural disasters and other issues affect the security and safety of millions each day. In Security Studies you learn to unravel security challenges by focusing on the political, historical and societal context in which they arise, as well as the effect of governance, institutions,…

How do you involve a local community to tackle biodiversity loss? How do you create awareness and political movement on climate change? And how do you find a balance between environmental impacts and economic needs when it comes to pollution? These are examples of core questions at the heart of the…

How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…

There are eight institutes at the Faculty of Mathematics and Natural Sciences:

Research within the department of Philosophy of Law is mainly focused on the history of the philosophy of law.

Leiden University is keen to remain in contact with our alumni, and we do all we can to encourage mutual contacts.

Contraband and forced recruitment: How rebels' exploitation of natural resources can increase their willingness to forcibly recruit children.

Wolfgang Lüffler

Hetterscheid

Perhaps you have questions about your studies, or could use some extra help? Or maybe you’d like some support of a more personal nature?

The quantum nature of matter and light has grown into a broad and fruitful research field for theorists and experimentalists alike. It combines foundational research with toward applications, the most well known of which is the quantum computer.

Studying Physics is an exciting journey through the foundations of nature: from the infinitesimal (particle physics) to the grandest scale (cosmology). Physics is a varied study programme that provides a solid foundation in theory and experimentation, with attention devoted to their practical applic…

The Academic Language Centre Leiden offers Arabic language courses at various levels, an intensive summer course and tailor-made Japanese language training. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Arabic language courses at many different levels, an intensive summer course and customised Arabic language training. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers French language courses at eight different levels, an intensive summer course and customised French language training. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Russian language courses at various levels and tailor-made Russian language courses. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Spanish language courses at ten different levels, an intensive summer course and tailor-made Spanish language training. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Swedish language courses at different levels and tailor-made Swedish language courses. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Chinese language courses at three different levels and tailor-made Chinese language courses. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Center Leiden offers Korean language courses at various levels and customized Korean language training. The courses are practical in nature: focused on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers German language courses at two different levels and customised German language courses. The courses are practical in nature: focusing on the use of the language. More information can be found here >

The Academic Language Centre Leiden offers Italian language courses at many different levels and tailor-made Italian language courses. The courses are practical in nature: focusing on the use of the language. More information can be found here >

In the master’s programme in Archaeology, you can follow courses on the archaeology of the Mediterranean, deepening your understanding of this fascinating region. From the many faces of ‘Hellenism’ to the early rise of the Roman Republic, to the voyages of European Crusaders in medieval times. The archaeology…

The leading argument of this doctoral thesis is that Aristotle’s text De Interpretatione is of methodical relevance for present-day philosophical thinking. In the era of science and technology, the status of philosophy has become problematic.