Promotor: M. Ubbink, Co-Promotor: R. T. Dame

In our research protein translocation from Agrobacterium into yeast and plant cells is studied to obtain fundamental insights in the translocation process

The historiography of the Bretton Woods conference of July 1944 is dominated by the personal clash between the principal negotiators, Harry Dexter White of the United States and John Maynard Keynes of Britain.

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

The aim of 'Intergroup helping' is to provide an overview of psychological research on intergroup helping, such as between countries or organisations, or in case of international crises. Co-editor Esther van Leeuwen has been an assistant professor at Leiden University in Social and Organisational psychology.…

This thesis focuses on two processes involved in fighting infections: metabolism and immune cell motility and navigation.

Morphology is the grammar of words. Morphologists study how words are built and what principles govern their form and their function.

This project aims to study the Aesopian fable from 1500 to the present day in its complex relationship between text, illustration and education, adopting a broad, transnational perspective.

Investigating the relations between Tupi Indigenous Knowledge, Museum Collections and the Dutch Colonization of Brazil

From the formative period of Islam to the contemporary world, Muslims have negotiated changing modalities of being Muslim.

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.

The ideas underlying this thesis are that lipidomics may improve the diagnosis of liver metabolic diseases, and can provide further insights into the underlying pathophysiology of these diseases.

In this dissertation Itandehui Jansen examines the ‘Voice’ of the filmmaker from a political and aesthetic perspective.

Jewish Professor Eduard Meijers (1880-1954), along with 29 other Jewish members of staff, was dismissed by the Nazis in November 1940.

Like any language, the natural sign languages of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that sign languages make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

Promotor: J.M. Memelink

Student cooperativeness underlies high quality teacher-student relationships, and has been positively associated with students’ school engagement. Fostering cooperative rather than oppositional student behavior might be especially helpful for protecting at-risk students against academic failure.

In this work we describe three methods to improve the performance of Quantum Field Theory calculations.

Promotor: Prof.dr. H.A.G. Wijshoff

This thesis provides explicit expressions for the density functions of absolutely continuous invariant measures for general families of interval maps, that include random maps and infinite measure transformations, not necessarily number systems.

Gorlaeus Building, Einsteinweg 55, 2333 CC, Leiden

Snellius, Niels Bohrweg 1, 2333 CA, Leiden

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

How can artist PhD candidates research their own work? They need to be good at switching from maker to critical observer and their research has to have a solid theoretical basis. This is the premise of Professor Janneke Wesseling. The aesthetic value of their work also has to be up for discussion. Inaugural…

For the first time, contagious yawning has now also been found in a species that roams its territory mostly in solitude and is less frequently engaged in social interactions: the orangutan. Publication in Nature Scientific Reports by an international group of scientists with lead-author Evy van Berlo,…

Dutch researchers have developed a new tool to label DNA for studying chromosomes in live cells. The tool is non-invasive and can be applied in culture but also in living organisms, such as zebrafish embryos. The team published their findings in the journal Nucleic Acids Research.

Speech Prosody 2024 includes three workshops.

The EU is aiming to deter economic coercion with a new legal instrument. Freya Baetens will elucidate this in her inaugural lecture on October 27th.

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

Protest is a human right and an important way to hold the authorities to account. But how does the right to protest relate to academic freedom and the right to education?

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2025.

Promotor: P.M. Brakefield

What is the state of democracy in developing and transition countries in 2024? Terrible, according to the BTI Transformation Index.

Simay Çetin won the FSW Master’s Thesis Prize 2021 with her thesis “Interpreting Culture through Embodied Practice: An anthropological study of sexuality among Dutch Women with Turkish Migrant backgrounds”. She was supervised by Prof. dr. Peter Pels. According to the jury is Simay’s thesis not only…

Dr Mark Leiser, Assistant Professor in Law and Digital Technologies at eLaw - Center for Law and Digital Technologies at Leiden University, has won a grant for research on fake news.

The Grotius Centre Working Paper Series is an occasional series through which researchers in the Grotius Centre can publish the unedited versions of manuscripts that have been accepted for publication by journals and books.

Supervisor: Anna Vlachodimou

The project will clarify that in the search for these new means the treatise On the sublime of ps.-Longinus played a crucial role. However, the project will also place the theatre performances in a broader social and political perspective. These public events and the theatre performances suggest that…

Can we develop a tool to early identify male chicken eggs?

Subproject of

Over the recent period there have been a number of protests and demonstrations at universities by people who oppose the universities’ collaboration with the fossil fuel industry. Students and staff in Leiden are also expressing their concerns about this issue. We are now publishing a list giving an…

How do pathogenic mycobacteria alter lipid metabolism in human cells and patients, and which disrupted pathways could be targeted for new antibiotics?

On Thursday 12 January 2017, Ellen Raaijmakers defended her doctoral thesis ‘The Subjectively Experienced Severity of Imprisonment: Determinants and Consequences’. The defence took place at the Academy Building of Leiden University, Rapenburg 73. The PhD research was supervised by Professor P. Nieuwbeerta…

Using brain imaging to discover the area in the brain that recognizes emotion.