Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

Pigeons, zebra finches and parakeets. Carel ten Cate studied bird sounds. But not just that. Together with linguists from Leiden, he investigated parallels between birdsong and language. On 9 June, his farewell symposium was held to mark the end of his broad career. Well, the end? Carel ten Cate has…

Nature uses a special class of histone proteins, histone variants, to modulate the properties of chromatin at defined genomic locations.

Cytotoxic T-cells (CTLs) are involved in the clearance of viruses and killing of tumor cells.

Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley

Ragazzi, ‘Suspect community or suspect category?‘, Journal of Ethnic and Migration Studies

Like a mixture of oil and water, lipid membranes separate into two liquid phases.

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: H.M. Cuppen, S. Ioppolo

This study aims to examine how South Korea (hereafter, Korea) and Japan, two neighboring countries in Northeast Asia, have been responding to and mitigating the spread of COVID-19.

How can we quantify the density of species within a community through environmental DNA concentrations?

“BABYLON” investigates the extent of the similarities between Babylonian and post-exilic forms of cultic and social organization and explores the question how Babylonian models could have influenced the restoration effort in Jerusalem.

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

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

Over the past year, many students and staff members of Leiden Law School have been lauded for their extraordinary achievements. For instance: a grant received, an award won, or an appointment by a special committee. We have combined all these achievements in our Honours Gallery 2022:

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.

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.

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.

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.

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

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

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

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

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

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

The first block is almost over and that means you will soon be able to evaluate the courses you attended.

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.

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.

It has been found that the better a prisoner is treated, the more effective the sentence. Leiden criminologists therefore research how detention can be improved in such areas as prison life and contact between prisoners and their children.

In the overview below you can find the LUC Newsletters that were send out during block 4 in semester 2 of academic year 2019 - 2020.

On 10 November Guanmian Xu successfully defended a doctoral thesis and graduated.

Leids onderzoek naar bestraffing komt tot stand uit verschillende disciplines. Het onderzoeksproject kent een juridische, criminologische, sociaalwetenschappelijke en filosofische invalshoek.

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?.

LUCAS is home to a multidisciplinary academic community that facilitates deep analyses of, and appreciation for, the power and dynamics of cultural products (texts, objects, practices) in our past and present. Through high-quality research, education, and valorisation, our Institute contributes to a…

When it comes to languages and cultures, Leiden University is the university. The global expertise present places our university at the top. In Leiden and The Hague, we study languages and cultures from all regions of the world and from prehistory to the present day. In this way we create a broad view…

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…

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.

A meeting place for singing parrots. That is one of the ambitions of Michelle Spierings’ new project. With her awarded NWO XS grant, she wants to test the parrots’ hearing ability. ‘I am curious to see how they can recognise and imitate changing melodies. And it would be amazing to test that with a…

On 15 April 2016, the All-European Final of the ELMC took place at the European Court of Justice in Luxemburg. Emma Gheorghiu, a student on the Advanced LL.M. in European and International Business Law at Leiden Law School, took home the trophy for the prestigious award for best Advocate General.

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.

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