The Board of Governors of Leiden University has confirmed the appointment of Professor André Gerrits (Institute for History, currently in the field of Russian Politics and History) to the field of International Studies and Global Politics, commencing October 1st 2015.

This doctoral thesis comprises four studies on the content and structure of physics teachers’ belief systems about teaching and learning physics in secondary education in the Netherlands.

Conference, Workshop

The urban graveyard presents several studies in which the results of older archaeological and osteoarchaeological research are compared to more recent excavation data from several Dutch, Belgian and Danish cities and towns.

A framework for prospective/ex-ante life cycle assessment (LCA) and ecological risk assessment (ERA) of emerging technologies is developed and applied to a case study of III-V/silicon photovoltaic panels.

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

Light-Harvesting Complex II (LHCII) is responsible for light absorption and excitation energy transfer in plants and photosynthetic algae, while in high light it undergoes conformational changes by which it quenches excitations to prevent photodamage.

The starting hypothesis of the project is that secrecy is not always inimical to democratic governance as conventional wisdom has it.

Tin electrodeposition applications have rapidly evolved in the past 25 years.

This project aims to investigate the underlying (neurocognitive) linguistic processes of ellipsis resolution, particularly gapping.

On the 16th of June Patrtick Harrison successfully defended a doctoral thesis and graduated.

This collection of seventeen essays takes its inspiration from the scholarly achievements of the Dutch historian Jan Lucassen. They reflect a central theme in his research: the history of labor.

Including modelling as part of software development appears to have various benefits.

On the largest scale, the Universe resembles a cosmic spiderweb. Most galaxies coexist in small groups within the threads of this web. At the nodes of the threads are enormous groups of galaxies forming the largest structures in the universe still held together by gravity: clusters of galaxies.

On the 24th of September, Louise S. Friis successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Louise on this achievement!

The Security Studies bachelor's programme has received a bronze medal in EW Best Studies 2023. Every year, EW Best Studies selects the top programmes in Dutch higher education.

A clear, unambiguous definition of an extraparliamentary cabinet still seems to be missing in the political arena of The Hague. Caroline van der Plas, Farmer–Citizen Movement (BBB) party leader, wants to discuss this issue with the party chairs of the Dutch coalition parties. Wim Voermans, Professor…

Part of ‘Moralising Misfortune: A Comparative Anthropology of Commercial Insurance’, an ERC Consolidator project of Erik Bähre.

Chinese materia medica (CMM), comprising a diverse array of natural substances from plants, animals, and minerals, has been integral to Traditional Chinese Medicine (TCM) throughout history. This study investigates the dynamic evolution of CMM, noting shifts in species for improved therapeutic effects…

Organised in four separate sessions throughout the day, and broadcast live online to guests and families who could not join, a total of 260 students received their Bachelor’s Diploma of International Studies on 28 August 2020 at the graduation ceremony in the historic Pieterskerk in Leiden.

We are developing the conceptual framework, which is new to this taxonomic group, and evaluate the current state of the art with respect to all critical parameters and transfer functions for a fully developed Population Consequences of Acoustic Disturbance (PCAD) model.

Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food…

Organised in three separate sessions throughout the day, and broadcast live online to guests and families who could not join, over 200 students received their Bachelor’s Diploma of International Studies on 3 September 2021 at the graduation ceremony in the historic Pieterskerk in Leiden.

Are you keen to immerse yourself in a new culture, broaden your horizons and make friends for life? If so, come to the Study Abroad Festival on Friday afternoon 14 October.

The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.

Cryogenic electron microscopy (cryo-EM) is a powerful technique used to visualize the inside of cells and to study specific protein complexes. Within this thesis, I describe the use of various cryo-EM techniques to gain insight into the structural changes of the human pathogen, Vibrio cholerae, as it…

Mapping sanitary infrastructure in large urban societies in the Low Countries, 1200–1900

Science, Leiden Institute of Physics (LION)

The collaboration between Leiden University (Medical Center) and the Autonomous University of Barcelona forms one of the most powerful international alliances for the creation and transmission of knowledge in the field of transfusion medicine.

On October 9th, Peter Alexander Kerkhof succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Peter Alexander on this great result.

This volume edited by Jan Lucassen and Leo Lucassen aims to quantify and qualify cross-cultural global migrations and was published in the series 'Studies in Global Migration History'.

In Migration and Membership Regimes editors Ulbe Bosma, Gijs Kessler and Leo Lucassen bring together ten essays in an analytical framework which looks beyond the Transatlantic migration of the nineteenth and twentieth centuries in a deliberate attempt to incorporate the experience of earlier periods…

When Henriëtte Hoffman was ten years old she was enthralled by The Last Emperor, a 1987 film about the twelfth and last emperor of the Manchu dynasty. It was an interest that eventually led to a five-month stay in Chengde in China for her Asian Studies research master’s programme. During her time in…

On December 6th, 2024, Rector Hester Bijl welcomed participants at the Leiden Jewish Studies Association’s First Annual Conference “Jews at Home: From Creation to Corona” and also presented two Leiden University students with the inaugural Leiden Jewish Studies Association “Best Thesis in Jewish Studies”…

The aim of this project is to investigate the (cost)effectiveness of two innovative forms of trauma-focused therapy for patients with childhood abuse related PTSD. The ultimate goal is to improve quality of care and contribute to treatment innovation for this severely ill target population.

PURPOSE: The aim of the study was to develop a cheap and fast method to produce hollow microneedles and an applicator for injecting vaccines into the skin at a pre-defined depth and test the applicability of the system for dermal polio vaccination.

On 1 December 2020, Bernadette Muscat defended her thesis 'Insolvency Close-out Netting: A comparative study of English, French and US laws in a global perspective'. The doctoral research was supervised by Prof. M. Haentjens and Prof. B. Wessels.

On 26 June 2019, Lisa Louwerse defended her thesis 'The EU’s Conceptualisation of the Rule of Law in its External Relations: Case Studies on Development Cooperation and Enlargement'. The doctoral research was supervised by Prof. C.A.P. Hillion.

Vocal learning is a trait shared by songbirds and humans. It is also a trait that is restricted by the brain rather than by a species' vocal apparatus. In this dissertation, functional MRI is employed in both species in order to explore potential common neural mechanisms underlying the ability to develop…

Programme director of the bachelor's programme Security Studies Daan Weggemans kicked off the first webinar for prospective students this afternoon. In Kaltura Live he had an international audience of about 60 interested people.

On Tuesday 3 September 2024 Straton Papagianneas successfully defended a doctoral thesis and graduated.

On 2 September 2022, 300 students received their Bachelor Diploma of International Studies. The students were awarded their diplomas in the historic Pieterskerk in Leiden, in front of a large audience of family and friends. With about 1000 people present, including the graduates, the International Studies…