Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.

What is the influence of interactive lessons about study skills on the achievement of mentors' lesson goals and on self-regulation and other study skills of students in 4 havo, 4 vwo, and 5 vwo?

Balsaminaceae is a diverse plant family characterized by a huge floral morphological diversity.

Promotor: Prof.dr. A. P. IJzerman, Co-Promotor: Dr. L.H. Heitman

PNEC-pro is a user-friendly screening tool for professionals dealing with the assessment of surface water quality. The tool calculates local, watertype specific no-effect concentrations (PNEC) of copper, lead, nickel, and zinc based on biotic ligand models (BLMs).

Linde Desmaele explores the role of US theatre nuclear weapons stationed in Europe. Moving beyond the deterrence vs. reassurance debate

Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.

New perspectives from archaeology and ancient history

What kind of attentional focus can enhance learning and performance for musicians?

This paper aims to understand the most common underlying problems causing strategic surprise in the context of the European Union.

Leiden University is developing new short stay living space for foreign guests and employees. De Kloksteeg is currently the last of four projects that has been renovated by the Leiden University Real Estate directorate since 2017. The Service Centre International Staff (SCIS) is responsible for rental…

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Estudio arqueológico de la primera ciudad española en la Tierra Firme de América: Santa María de la Antigua del Darién

The current study focuses on Walpole’s social network and the language as contained in the letters of the network members.

Summer schools and seed funding calls are just two of the many Una Europa opportunities for researchers and teachers at Leiden University and LUMC.

Trigonostemon Blume is a plant genus in the family Euphorbiaceae comprising 59 species.

It is a tragic fact that mass atrocities have been, and are being, committed across the world. The international community, while condemning these acts, often stands idly by. This conundrum raises a host of empirical, legal, and normative questions regarding the role of public opinion in responding…

Subproject of

Trajectories of social life in the yucayeque (community) of El Cabo, Higüey, Dominican Republic, AD 800 to 1504

The research within the Private International Law Department covers private international law, with a particular focus on the fundamental principles of formal private international law.

This dissertation contains a detailed description of the Carib language, including the most extensive dictionary of the language to date. This knowledge is based on work from earlier sources and field work which was carried out by the author over a ten-year period, particularly in Galibi, a Carib village…

Several alumni, young alumni and students have been matched via the Leiden University Mentor Network.

The Altai region has yielded a cluster of Middle and Upper Paleolithic stratified sites that have been recently excavated using a multidisciplinary approach.

This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.

Parkinson's disease is the second most common neurodegenerative disease in the world. One of its symptoms is the loss of dopaminergic neurons in the substantia nigra pars compacta.

Exploring Late Bronze Age attitudes towards martiality through experimentation and micro-wear analysis

Have you not yet had the chance to sign your signature on the walls of the Sweat Room? Or would you like to pay a digital visit to the famous room?

Natascha van der Zwan, Assistant Professor at Leiden Univeristy, together with two other authors, wrote a book that explored some of the ways coronavirus is impacting the global capitalist system – and how this could change for better and for worse.

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate.

Ramesh Ganohariti will examine legal identity in three post-Soviet aspirant states and outline four common scenarios in this article.

Promotor: P.J.J. Hooykaas, Co-Promotor: E.J. van der Zaal

The book ‘Pesticides and the Environment’ gives a transparent overview of facts and figures concerning pesticide use in the Netherlands and the impact of pesticides on the environment.

This thesis examined two previously neglected topics, Baroque Italian recorders and the Neapolitan Baroque repertoire for the recorder, and then combined both aspects.

On the 12th of December, Alice Ross T. Morta successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Alice on this achievement!

This study presents a full descriptive account of the grammar of Mualang, covering the major features of phonology and morphosyntax as well as issues related to pragmatics.

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

On December 5th, Matthias Pache succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Matthias on this great result.

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky

On 16 april 2020, Andrew Fink defended his thesis 'The Importance of Conspiracy Theory in Extremist Ideology and Propaganda'. The doctoral research was supervised by Prof. A. Ellian.

Do you have any questions about the bachelor Science for Sustainable Societies? Please contact us!

A new microtonal approach of the bass clarinet, to further develope the instrument’s capability to produce not only exact quartertones, but also smaller units.

Associate professor at the Natural Products Laboratory, Institute of Biology, Leiden University - the Netherlands

What does the daily life of those who travelled to Syria to join jihadist groups look like? Destination Syria, a new ISGA report, provides answers to this question

A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.

What does the interspecies interpretation of the equality principle mean for the liberal democracy, and is it possible to provide for an appropriate legal and political position for animals without defying the classic-liberal principles of the liberal democratic state?

Promotor: C.J. ten Cate, Co-promotor: H.W. Slabbekoorn

Seasonal influenza vaccines provide protection against matching influenza A virus (IAV) strains mainly through the induction of neutralizing serum IgG antibodies. However, these antibodies fail to confer a protective effect against mismatched IAV. This lack of efficacy against heterologous influenza…

This dissertation presents a comprehensive description of Xinka, an indigenous language from southeastern Guatemala. The description is based on a missionary grammar that is titled Arte de la lengua szinca and was written by the priest Manuel Maldonado de Matos around 1773.

In Bronze Age Europe, an enormous amount of metalwork was buried in the ground and never retrieved.