Research into research improves the academic system. CWTS studies and evaluates the academic system in various ways. One way is to provide information on the productivity and impact of academics by documenting how many publications they or their universities produce and how often these publications…

Travel back in time and learn about how the University has changed over the centuries.

The NWO-funded Vidi project “American foreign policy and liberalism” challenges the idea that the United States has created and sustained a “liberal international order” since World War II. It instead explores the ways in which illiberal ideologies – such as those underpinning racial hierarchy at home…

Meet the ABPP2027 organisers

A cultural sequence of western coastal French Guiana from 5000 BP to present

In this thesis I examine how soil biotic and abiotic characteristics change and interact throughout the course of afforestation and how they subsequently impact tree performance.

The Academic Language Centre has developed 19 video clips on Academic Skills. The videos are divided into three categories. Watch them below for a good start to your studies!

The opening of the Academic Year 2024-2025 took place on Monday 2 September 2024 in the Pieterskerk church.

De opening of the Academic Year 2021-2022 took place on Monday 6 September 2021 in Pieterskerk church.

The opening of the Academic Year 2017-2018 took place on Monday 4 September 2017 in Pieterskerk church.

De opening of the Academic Year 2023-2024 took place on Monday 4 September 2023 in Pieterskerk church.

De opening of the Academic Year 2022-2023 took place on Monday 5 September 2022 in Pieterskerk church.

The opening of the Academic Year 2019-2020 took place on Monday 2 September 2019 in Pieterskerk church.

As a result of the current corona measures, attendance at the Opening of the Academic Year on 6 September will be restricted to a maximum of 75 persons. The ceremony can, however, be viewed online by taking part in a video wall.

The opening of the Academic Year 2018-2019 took place on Monday 3 September 2018 in Pieterskerk church.

This thesis investigates how non-genetic factors, such as inflammation and concomitant medication, impact hepatic drug metabolism and subsequent drug metabolizing phenotype predictions.

U-Multirank is an alternative approach to international ranking of higher education institutions (HEIs) worldwide. This analytical tool is user-driven and multi-dimensional by design. The current version (2016/2017) includes 1 600 HEIs. The ranking system compares the relative performance of HEIs (mostly…

This paper focuses on the legal and institutional assumptions of Fritz Scharpf's famous thesis of an asymmetry between positive and negative integration in the EU. Taking issue with a number of arguments forwarded in the lead piece for this debate section, it questions the relevance of the thesis to…

The opening of the Academic Year 2020-2021 took place on Monday 31 August 2020 in Pieterskerk church.

The opening of the Academic Year 2016-2017 took place on Monday 5 September 2016 in Pieterskerk church.

Researchers of the Leiden Leadership Centre are active members of the PUPOL network. PUPOL is an international academic network for public and political leadership which fosters exchange of ideas and inspires collaborative research among scholars focusing on the role of leadership in the public and…

The available tools for academic literature search return a list of ranked documents, which might not be ideal for some tasks. To facilitate these tasks, I am creating a visual representation of the academic search space where the user can browse academic topics.

The application of compliance archaeology techniques such as mechanical large scale excavations where large quantities of data are gathered in relatively little time (and relatively inexpensively) and a firm post-excavation research phase yielded a whole new body of archaeological evidence.

Annually the Institute of Cultural Anthropology and Development Sociology awards the Speckmann prize for the best Fieldwork NL report, as well as the most accomplished master’s thesis.

The Institute Board is responsible for the overall management of the institute, as well as the administration and organization of the institute’s teaching and research activities. Research and education are managed collaboratively, with strategic input from various representatives and groups, including…

Research Schools aim at collaboration between researchers from different faculties (interfaculty schools) and universities (interuniversity schools).

Een kwantitatief onderzoek naar historische Nederlandse scheepswrakken in de wereld

This book presents the transcriptions and annotated translations of fifteen key historical documents concerning the Tapuia indigenous people written just before and during the Dutch occupation of northeastern Brazil.

In this article, Madeleine Hosli, Professor of International Relations at the Institute of Security and Global Affairs, and Jaroslaw Kantorowicz, Assistant Professor at the Institute of Security and Global affairs, discusses the relevance of structural variables in a time where European politics are…

KNOWMAK project aims at developing a web-based tool, which provides interactive visualisations and state-of-the-art indicators on knowledge co-creation in the European Research Area (ERA).

The project focusses on how US views of the Chinese diaspora in Southeast Asia influenced its strategic interpretations of the region.

The Leiden Academic Centre for Drug Research (LACDR) is a centre of excellence for multidisciplinary research on drug discovery and development.

The primary goal of GAP is to study the impact of globalization and internationalization policies and practices on the gender balance in research and higher education in Norway.

This project seeks to develop a conceptual framework and provide empirical evidence on academic leadership that builds a fairer world and fosters trust in polarised times.

How do tax treaties have to be explained and implemented, and what role does the supranational regulatory process play in this? Which objectives are meant to be used in establishing tax regulations and to what extent are such legislative practices undertaken in a goal-oriented manner?.

Scrap the radical cuts to research and teaching. This was researchers and students’ message to government at the opening of the new academic year. Various speakers in Leiden’s Pieterskerk highlighted the importance of science for society.

This project aims to contribute to the improvement of documentation and archiving standards (conform the FAIR principles) for systematic Mediterranean archaeological field survey.

Research lines within the Pharmacy group:

We are very excited to announce our Sustainability Series for 2023-2024. Each month an interactive workshop will be organised that discusses a specific theme of sustainability. Interested about sustainability? Do not hesitate to sign up to our events !

The Pharmacy research group focusses on the development of predictive models to improve clinical drug efficacy and safety. We are moreover strongly involved in the Master specialisation of Pharmacy at Leiden University. We work on clinical problems that require further mechanistic understanding and…

Excerpta archaeologica leidensia: Corrie Bakels & Hans Kamermans (eds) (2015)

The Heritage and rights of indigenous peoples focuses on the living heritage of indigenous peoples and its safeguarding, connecting the past and the present in local communities.

Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…

In this opinion article published in World Development, the authors present five research and policy priorities. While it is clear that ‘pluriversal’ designs need to guide the way forward (Kothari et al 2019), defining a set of key pillars can provide direction and purpose across this pluriversality.…

This thesis investigates a pharmacological challenge model induced by Toll-like receptor 7 (TLR7) activation, focusing on skin inflammation and its implications for early drug development.

We will study how inoculation of former arable land with soil (including the microbiome, soil fauna and seeds/rhizomes of ground flora) from old forests along with planting targeted tree species mixtures will improve productivity and more rapidly restore forest-adapted communities and ulttimately result…

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…