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?

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.

This volume provides a sample of the most recent studies on Spanish-English codeswitching both in the Caribbean and among bilinguals in the United States.

The Hague Journal of Diplomacy (HJD) is the world’s leading research journal for the study of diplomacy and was founded in 2005.

Anchoring Cultural Formation in the First Millennium BCE

The Death of Archaeological Theory, edited by John Bintliff and Mark Pearce, addresses the provocative subject of whether it is time to discount the burden of somewhat dogmatic theory and ideology that has built up over the last 25 years.

Nature and History, Towards a Hermeneutic Philospohy of Historiography of Science

On 14 May 2020, Pieter Rustenburg defended his thesis 'Een algemene normtheorie toegepast op open normen in het belastingrecht'. The doctoral research was supervised by Prof. A.O. Lubbers and Prof. J.L.M. Gribnau.

Beyond Empires explores the complexity of empire building from the point of view of self-organized networks, rather than from the point of view of the central state.

Thermodynamics is one of the founding scientific pillars that has helped us better understand heat engines, biology, ecosystems, and even black holes. While it fundamentally describes large systems by examining the bulk behavior of their constituents, it is anchored in the statistical equivalence of…

An in-depth history of Large Language Models—and what their ubiquity, disruption, and creativity mean from a wider sociopolitical perspective.

Studies in Early Near Eastern Production, Subsistence, and Environment, vol.16. Edited by Noriyuki Shirai.

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

United States and Chinese foreign assistance and diplomacy addresses the analytic weaknesses of mainstream analysis of foreign aid, which often focuses on its material dimensions. The book underscores the constitutive relationship between foreign aid as a material resource and the diplomatic discourses…

Leiden University Centre for Linguistics (LUCL) is a reputable institute in the field of linguistics, offering excellent research and education opportunities covering a broad range of languages of the world.

Sociopragmatics is a rapidly growing field and this is the first ever handbook dedicated to this exciting area of study.

The Applied Mathematics specialisation is the excellent preparation to start a career in research. It is a suitable stepping stone for pursuing a PhD degree. The degree also provides job opportunities outside academia in a (international) industrial environment.

The SCS courses train you in practical and theoretical aspects of science communication. Internships help you decide whether you want to choose a career in science communication or Mathematics research or a combination.

The one-year Master’s in International Relations offers an exciting and challenging mix of theoretical knowledge and practical experience.

The focus of Jan Zaanen's theoretical physics research was the nature of macroscopic matter that is in one or the other way still in the grip of quantum physics.

Drawing is one of the most unique human behaviours. Like language, drawing is a mode of communication and a cognitive tool that from an early age allows us to interact with others. Is the early development of drawing skill influenced by the social environment? If so, how?

The Biodiversity and Sustainability consists of 120 European Credit Transfer System (EC) points and includes a theoretical part (30-60 EC) and and one or more research projects (60-90 EC).

The infinite is endlessly fascinating. As finite beings, we will never be able to fully grasp the infinite. Yet the topic keeps resurfacing in philosophy – apparently, we cannot escape it either. Philosopher Victor Gijsbers guides the reader through the most important questions about the infinite in…

We report new computational and experimental evidence of an efficient and astrochemically relevant formation route to formaldehyde (H2CO). This simplest carbonylic compound is central to the formation of complex organics in cold interstellar clouds and is generally regarded to be formed by the hydrogenation…

The SCS courses train you in practical and theoretical aspects of science communications. Internships help you decide whether you want to choose a career in science communication or BPS research.

The subject areas covered encompass functional genomics, signal transduction, cellular differentiation, development, host-microbe interactions and animal behaviour.

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

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.

Recognition for an unprecedented career of more than forty years: Professor of Applied Statistics Jacqueline Meulman of the Mathematical Institute receives the Career Award of the Psychometric Society. ‘A fantastic surprise.’

The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

The Institute for Philosophy at Leiden University is host to the NWO programme,

The ARTIVES project studies imaginaries of diversity portrayed by artists in Lisbon and Rotterdam in their films, performances and (oral) literature with the aim to explore their transgressive potential of opening up possibilities of thinking differently about migration-related diversity. Their stories…

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

In the specialisation Health and Medical Psychology, part of the Master in Psychology, you will acquire knowledge on clinical and scientific topics in health promotion and disease prevention as well as practical training on clinical skills and behaviour change.

In the specialisation School Psychology, part of the Master in Psychology, you will learn how to create positive learning environments to support talent development and potential for learning as well as practical clinical skills for all students, regardless of their intellectual or mental states.

In the specialisation Clinical Psychology, part of the Master in Psychology, you gain extensive knowledge on the asessment and treatment of mental disorders.

The artefacts that still remain from the traditional culture of the indigenous Yukon, Canada, are spread over dozens of museums throughout the world. Yukon Indian Ukjese van Kampen carried out research to bring this culture to light. This is the subject of his dissertation entitled ‘The history of Yukon…

How safe do you feel walking on the street in Leiden? Do you feel safe, or are there situations that make you feel unsafe in the city? These are questions that city criminologist Marianne Franken of Leiden University wants to find answers to. In collaboration with the municipality of Leiden and the…

The aim of this project is the linguistic documentation of Bakola, a Narrow Bantu language.

The End Of Our Fifth Decade. Corrie Bakels & Hans Kamermans (eds) (2012)

Contemporary Maya Calendars

Conference

Update : March 2020 Directors: Dr. Lara Weiss and Dr. Christian Greco Deputy directors: Dr. Daniel Soliman and Dr. Paolo Del Vesco

Welcome to the Leiden Science community! Throughout the year, our faculty hosts a range of events designed to bring together students and staff. From interesting lectures to lively gatherings and ceremonial milestones, there’s always something happening for you. Explore the upcoming events and make…

The research programme Language Use in Past and Present brings together linguists within LUCL whose central focus is both on actual language data, including language use in earlier stages of the language, and, taking a variationist perspective, on language change in various aspects.

The two-year programme is a challenging combination of general advanced courses, practical modules such as teaching assistance and conferences/workshops, a personal course profile, and research.

In this project we think about the relationship between territory and contagion. Tracing the historical, political, and conceptual linkages between territorial bordering and migration on the one hand and disease related phenomena like contagion, immunity, and inoculation on the other, we ask how the…