This study endeavors to reconstruct Plato's theory of change and motion. The diverse perspectives of pre-Socratic philosophers regarding change and motion provide the context for Plato’s exploration of his theory.

A comparative analysis of legitimation strategies in tree hybrid regimes: Russia, Venezuela, and Seychelles.

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

How can challenge-based learning in higher education contribute to sustainable urban waste management and support The Hague’s transition to a zero-waste city by 2050?

This thesis presents the first synthetic peptides ADP-ribosylated on serine, threonine, tyrosine, arginine and cysteine.

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

Enzymes are innately sensitive to changes in the amino acid sequence, which largely constrains their evolutionary potential, i.e., evolvability. This evolutionary burden can be alleviated in the presence of stabilizing mutations, which increase the buffering capacity of enzymes to tolerate mutations…

The topic of this PhD thesis is teachers' perspectives on self-regulated learning.

This thesis describes research aimed at discovering inhibitors selective for either of the two endoplasmic reticulum α-glucosidases, ER-I and ER-II, with the overarching goal of discovering new antiviral agents to treat viruses that rely on host N-glycosylation for proliferation.

Traditional biochemical methods for studying organelles require cell disruption, preventing the real-time observation of dynamic intracellular processes.

PhD defence

PhD defence

Science communication is a lot more than writing a column or giving a lecture now and then. The communication itself also has to be firmly based in sound scientific research, is the message of Professor Ionica Smeets in her inaugural lecture.

Are maps objective or do they convey hidden messages that you would miss at first glance? A map is always a simplification of reality. Mapmakers reduce, distort and select. This allows the reader to be guided literally and figuratively. Leiden University Libraries (UBL) and the Museum Volkenkunde jointly…

Bring together young academics from all disciplines: that, in a nutshell, is the mission of Young Academy Leiden. And this fledgling organisation is already proving to be somewhat of a success. This is evident at the first Young Academy Lunch at the Faculty of Social and Behavioural Sciences.

Silver jewellery, sculptures made of cork and intriguing photos of psychiatrists' treatment rooms. Staff at Leiden University exhibit their artworks in the Old Library. The summer exhibition can be viewed until 12 August.

The 50th Top 450 entry has now been published. In the run-up to the university’s 450th anniversary, we are compiling our Top 450. What is your favourite?

Bureaucrats appointed based on merit are not necessarily more professional or autonomous than those who have been, for instance, ‘politically installed’. Furthermore, patronage does not only have negative effects. These are two conclusions reached by Abdul-Nasir Abubakar, PhD candidate at Leiden University’s…

Five students who graduated from the Bachelor Security Studies share their experiences. Where did they end up after graduation? Are they still using the skills they gained during their studies?

An internship at the Police Academy in Apeldoorn. This will be possible for the first time for third-year students of the bachelor's programme Security Studies as of September 2021, now that Leiden University and the Police Academy have joined forces. ‘The internships offer students a unique opportunity…

On Thursday 21 November 2024 Jake Benson successfully defended a doctoral thesis and graduated.

Abstract submission is now open for the international conference of the ELS Academy, in Amsterdam on September 1 and 2.

Pursuing Whiteness in the Colonies offers a new comprehension of colonial history from below by taking remnants of individual agencies from a whiteness studies perspective. It highlights the experiences and perceptions of colonisers and how they portrayed and re-interpreted their identities in Afric…

This historical study argues that the Mandaean religion originated under Sasanid rule in the fifth century, not earlier as has been widely accepted. It analyzes primary sources in Syriac, Mandaic, and Arabic to clarify the early history of Mandaeism.

This dissertations studies state-society relations in 1930s Turkey, focusing on the anti-veiling campaigns in the mid-1930s and aiming to understand the ways in which the Kemalist policies were received, interpreted, negotiated, compromised and/or resisted by various actors in the provinces.

In this second book of the series

Hermeneutics and the Humanities: Dialogues with Hans-Georg Gadamer / Hermeneutik und die Geisteswissenschaften: Im Dialog mit Hans-Georg Gadamer

Pottery traditions and social interaction in the earliest Neolithic of the Lower Rhine Area

How an initially valueless object becomes worth hundreds of millions. And vice versa.

In this overview of the reception of Duchamp, the plurality of possible approaches is examined.

This research investigates the impact of socioeconomic developments on the physical condition of medieval populations in Holland and Zeeland between AD 1000 and 1600 through the analysis of human skeletal remains from three archaeological sites.

How did Anglo-Saxons reflect on the experience of growing old? Was it really a golden age for the elderly, as has been suggested?

ASLU 29 Maarten E.R.G.N. Jansen, Valentina Raffa (2015)

African Studies is a field notoriously lacking in African scholars. Miriam Siun, research master student in this field, noticed this from the moment she started the programme. She decided to take matters into her own hands and hold a seminar reflecting on this issue.

Mateo Cohen (research assistant at the Open University of Israel and PhD candidate at Leiden University’s Institute of Political Science) studied arguments articulated by diverse members of the Right-Wing elite in Israel and explains how these views lead to the rejection of a two-state solution and…

How can we let the sonic speak in public urban environments? What is the function and position of sound in our daily encounters with urbanity? How do we experience cities aurally? This was the topic of Marcel Cobussen's inaugural lecture on November 28th, 2016.

Students from Leiden University will be able to study in the Stadsgehoorzaal on Breestraat in Leiden from Saturday 5 to Tuesday 15 December. The main auditorium of this city centre concert hall has been transformed into a unique pop-up study area that will provide temporary study spaces for over 200…

On Thursday 29 January 2026 Uğur Derin successfully defended a doctoral thesis and graduated.

What are the conditions under which coercive diplomacy can compel a State to abandon its nuclear weapons program?

From the new street language Smibanese to 17th-century manuscripts: the first national Dutch Studies Open Day explores a wide range of topics. The Open Day will take place on Saturday 7 March in Leiden. Frits Spits will broadcast his radio programme ‘De Taalstaat’ (The Language State’) from the Kamerlingh…

Combining cutting-edge quantitative approaches with more traditional book history approaches, this new book offers the first history of medieval manuscript destruction in England from the medieval period to the present.

'Dialogues Between Artistic Research and Science and Technology Studies', edited by Henk Borgdorff, Peter Peters and Trevor Pinch, will be published by Routledge on November 18

The Utrecht Centre for Medieval Studies invites PhD's and other ECRs to present their research on the Medieval Studies Day 2023. Deadline for abstracts: September 30.

Third-year Security Studies students tackle real-world security challenges for organisations such as Microsoft, the NCTV and Schiphol. From AI and human smuggling to international cooperation, they present their recommendations to professionals in the field.

How can the importance of the image in late medieval spirituality be understood in the context of the love mysticism inspired by the imagery of the Song of Songs?

No fewer than 194 students received their bachelor's diplomas in International Studies on Friday 26 August.

325 students received their Bachelor’s Diploma of International Studies on 30 August 2019. The students received their diplomas in the historic Pieterskerk in Leiden, in front of a large audience of family and friends. With more than 1100 people present, including 325 graduates, this was the largest…

This collaborative project aims to explore the history of the concept “barbarism” in Europe from the 18th century to the present, with a particular emphasis on the role of literature and art in the concept’s shifting functions.

On Tuesday 30 April 2024 Jonny Russell successfully defended a doctoral thesis and graduated.