This dissertation aims to explore how university students use mobile technology for their self-directed language learning and investigate factors influencing their self-directed learning with mobile technology.

Mr. Sujadi defended his thesis on 29 June 2017

A fun challenge full of energy, teamwork and good vibes? On Saturday 21 June 2025, the Leiden Science Run was back!

This article investigates the sources of legitimacy in multistakeholderism as a major alternative approach to intergovernmental global governance.

On 29 april 2020, Beth Van Schaack defended her thesis 'Imagining Justice for Syria: Water Always Finds Its Way'. The doctoral research was supervised by Prof. C. Stahn.

On 21 September 2022 H. Hu successfully defended a doctoral thesis and graduated.

What makes a pension scheme sustainable? Most answers to this question have revolved around expert assessments of pension schemes’ affordability or adequacy. This study shifts focus from the financial or social sustainability of pension scheme designs to their political sustainability. The key question…

On 20 June, Anne Hendrikx defended the thesis 'Methods of contract interpretation: a model for the interpretation of a contract'. The doctoral research was supervised by Henk Snijders.

Every organisms in the tree of life faces the same challenge: the length of its DNA exceeds the volume of the cell it needs to fit in. Several strategies have evolved to solve this problem, one of them being the expression of proteins that bind and organize the DNA.

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

Conservation of biodiversity is one of the main challenges today. A higher degree of biodiversity results in ecosystems that can withstand adverse conditions and better provide essential ecosystem services. This is the case for both agricultural and natural systems.

What are the manifestations, antecedents and consequences of the cognitive uncertainty experiences of social care professionals?

How is it possible to play a song that is part of the rituals of other people? How to transpose an idea to the stage while maintaining respect for indigenous communities? Are these performances a way of throwing light on these indigenous communities looking for a strategy of decolonization? How is it…

This work is dedicated to interpreting in cohomological terms the special values of zeta functions of arithmetic schemes.

Embarking on a PhD trajectory and perhaps moving countries in order to do so is a big thing, and it can be hard to find the information you need. The info below ranges from formal rules to practical matters such as the need to look for housing.

Almost all languages of Europe and of a large part of western Asia belong to a single language family, which is called Indo-European, and which includes modern languages like English, Dutch, Russian, Farsi, but also ancient ones like Ancient Greek, Latin, Hittite and Sanskrit.

With the dramatic growth of the image data on the web, there is an increasing demand of the algorithms capable of understanding the visual information automatically.

Across Europe, the need for a more dynamic governance and a better societal integration of research and innovation is increasingly appreciated. Internal drivers of change (such as the digitalization of science) and political will to better align with societal needs and concerns are bringing about aspirational…

The Covid-19 'infodemic' and conflict resolution by internet platforms.

Recent years have seen a vibrant scholarship on health policy and politics. While much is now known about changes to health policies and institutions over time, this study finds that scholarship still lacks research on the linkages between health policies and health outcomes (Marmor & Wendt, 2012).…

This monograph by Robert Ross provides a detailed narrative of the Kat River Settlement in the Eastern Cape of South Africa during the nineteenth century.

The Effects of the 1881 Liquor Act on the Leiden Alcohol Trade

On important occasions in a person’s life and where business is concerned, notarial practice plays a crucial role. The master’s programme 'Notarieel recht' is a versatile and challenging field of study.

This specialisation combines advanced training in physics at a world-class institute with interdisciplinary courses on high-tech instrumentation and design and an industrial placement, preparing you for a career in which you develop and apply sophisticated physics techniques to innovations in indust…

Money laundering, fraud, DNA testing: current affairs is key in this master’s programme. 'Forensische Criminologie' provides specialist expertise related to the criminal justice system - from forensic psychiatry to criminalistics.

The tuition fee depends on a number of factors. We will explain more about the fees on this web page. Read more.

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

In this thesis, I study the formation of large-scale structure and the physics of particle acceleration at large scales (~Mpc).

How does open government affect the level of public trust?

Politics and Aesthetics is one of the six research themes of the LUCAS Modern and Contemporary cluster.

This book explores the fascinating microvariation in Bantu languages and proposes a new syntactic analysis of subject and object agreement crosslinguistically. This book is open access!

What is the neural basis of social decision-making across childhood, adolescence and adulthood and what are the developmental patterns in terms of behavior and brain activation?

Organic amendments applied to agricultural fields can partially offset our carbon emissions to the atmosphere and improve the resilience of agriculture to the effects of climate change. Driving these benefits, however, are complex and poorly understood interactions between organic amendment properties,…

Marvel at our rare collections.

Postbus71 is the place for all questions to science! Do you have a burning question for the scientific world? Send your question to vraag@postbus71.nl, so we can find you an answer.

When we read a text, we think we know who wrote it, but in the early modern period, manuscript production was often a collaborative or ‘socialised’ enterprise involving secretaries and scribes who physically wrote what the author dictated.

The Leiden Institute of Advanced Computer Science (LIACS) works closely together with companies, governments, NGOs and knowledge institutes.

The skin barrier function is provided by the stratum corneum (SC). The lipids in the SC are composed of three lipid classes: ceramides (CERs), cholesterol (CHOL) and free fatty acids (FFAs) which form two crystalline lamellar structures. In the present study, we investigate the effect of CER chain length…

Promotor: Christoph U. Keller, Co-promotores: Matthew A. Kenworthy, Frans Snik

Ilina Georgieva published an article in the journal Contemporary Security Policy on the norm-setting role of intelligence agencies.

This research proposal focuses on historically informed performance (HIP) and adaptive performance practices within the late 18th-century German musical context.

The Next444 project focuses on the future of interdisciplinary research at Leiden University.

On 23 October 2019, Yoram Stein defended his thesis 'Spinoza's Theory of Religion: The Importance of Religion in Spinoza's Thought and Its Implications for State and Society'. The doctoral research was supervised by Prof. P.B. Cliteur and Prof. A.A.M. Kinneging.

Intermediality, Media Practices and Media Literacy is one of the six research themes of the LUCAS Modern and Contemporary cluster.

On 12 April 2022 Alok Oak successfully defended a doctoral thesis and graduated.

Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.