We investigate the physics and design of mechanical metamaterial, intricately sculpted materials with properties set by their architecture.

The focus of our theoretical research is understanding the behaviour of soft condensed matter, physical matter which is deformed or structurally altered by thermal fluctuations or small stresses.

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

Ineke van der Ham gave a lecture at the Nacht van de Ontdekkingen in Leiden. This year’s theme was ‘Time’ and Ineke discussed the work of the Navigation Lab Leiden and how time and space play a role in navigation.

How was the future United Nations Organization promoted to global publics during WW II?

What factors can explain the dynamics of de facto statehood in Iraqi Kurdistan at internal, national and international levels? What has been the nature of the de facto statehood in Kurdistan since its inception?

World Heritage status comes at a cost to the local population’s human rights. PhD Candidate Sophie Starrenburg explains the drawbacks of poetic terms such as ‘the cultural heritage of mankind’.

Van Steenis, Einsteinweg 2, 2333 CC, Leiden

‘Schiedsgerichte in den Aussenverträgen der EU. Neue Entwicklungen unter Einbezug der institutionellen Verhandlungen Schweiz–EU’, Jusletter 28 May 2018

Van Steenis, Einsteinweg 2, 2333 CC, Leiden

On the occasion of prof Paul van der Heijden’s stepping down as Rector Magnificus and President of the Executive Board of Leiden University in 2013 the Chair bearing his name on Social Justice was established. It was a “farewell present” of the Leiden University to it’s Rector.

On Friday April 24th, after a day of festivities in honor of his 60th birthday, Hendrik Lenstra was awarded the distinction of `Ridder in de Orde van de Nederlandse Leeuw' by the mayor of the city of Leiden.

The research provides insight into disease behavior in both rural and semi-urban areas in Serengeti in Tanzania.

In Renaissance Florence, humanists wrote Latin poems fashioning their city as the new Rome, and members of the Medici family as Roman rulers. How can we explain this practice?

The Academy of Creative and Performing Arts (ACPA) of Leiden University and Art Institute West Den Haag are pleased to announce their close collaboration in the second season of the public series In the Making. This series, dedicated to the practice of research in the arts, will consist of seven public…

Lecture, Book presentation

Connecting generations, reducing loneliness and slowing mental decline: these are goals of the Oud Geleerd Jong Gedaan foundation’s lectures, which are given by students. What is it like to be a student giving these lectures? And what do the seniors think of them?

Chromatin is an ubiquitous protein-DNA complex that forms the structural basis of DNA condensation in all eukaryotic organisms.

This article argues that opposition to government green investments is conditional on the method of financing.

How do public organizations use strategic regulatory communication in regulatory governance?

The Leiden Leadership Centre (LLC) aims to connect science with practice when it comes to public leadership. The Centre, founded by, among others, Dr. Ben Kuipers and Prof. dr. Sandra Groeneveld, is collaborating with a number of organisations. A recent result was a research assignment for a new vision…

Training a robot in a real-life environment is more or less impossible. Computer scientist and psychologist Roy de Kleijn switched to training in a simulated, virtual one instead. ‘You do have a reality gap, but the more precisely you train the robot, the better it is in practice.’ His inspiration:…

This work focuses on the interpretation of the archaeological remains of the Mixtec culture in Southern Mexico on the basis of the knowledge, perceptions, economy and worldview of contemporary descendant communities.

Episode 5 of BOLDcast, the podcast of the Leiden-Delft-Erasmus Centre for BOLD Cities, discusses the evolution of libraries from simple lending points for books to places where people can come together and brush up on their digital skills. The guests in this episode are Frank Huysmans, associate professor…

On Thursday 31 October 2019 several graduation ceremonies for study programmes of the Institute of Public Administration were held. It was the first time these festivities took place at Campus The Hague.

Ghent University's Department of History is hiring 1 PhD researcher (m/f/x) for an FWO Senior Research project on the pragmatic, socio-economic and legal historical context in which the oldest borough charters in the Low Countries and northern France were negotiated and codified (late 11th-early 13th…

Reijer Passchier, universitair staatsrecht en hoogleraar digitalisering en de democratische rechtsstaat aan de OU, waarschuwt in HP/De Tijd hoe weinig controle we werkelijk hebben over kunstmatige intelligentie, terwijl machtige bedrijven steeds meer invloed krijgen op onze democratische samenleving…

Political scientists Huib Pellikaan and Niels van Willigen (Leiden University) use and elaborate on the theoretical insights from game theory in order to understand nuclear security in changing environment. Now that the relations between the US and Russia have deteriorated and smaller nuclear states…

Political scientists Marijn Nagtzaam (Leiden University) and Patrick van Erkel (University of Antwerp) investigate how electoral rules affect intra party preference voting. Focusing on the effect of two specific rules—the option to cast a list vote and on a single versus multiple preference vote—and…

De nieuwe wet Verduidelijking beoordeling arbeidsrelaties en rechtsvermoeden (Vebar) moet duidelijk maken, wanneer iemand als echte zzp’er wordt beschouwd of als werknemer. Stefan Sagel, hoogleraar arbeidsrecht, schreef een opiniestuk over dit onderwerp in de Telegraaf.

This critical edition covers the first two parts of De secundis intentionibus by Hervaeus Natalis (14th century).

During times of domestic turmoil, the use of force abroad becomes an appealing strategy to US presidents in hopes of diverting attention away from internal conditions and toward a foreign policy success.

The final meeting which took place on Wednesday 6 September marked the end of the third cohort of master students’ time participating in the The Hague Southwest Thesis Workshop. During this last meeting, master students presented their research results to residents and stakeholders from The Hague So…

'Reworking Culture is based on the author’s ethnographic engagement with people in and around the village of Sadolpara in the West Garo Hills in highland Northeast India (HNEI), where he conducted more than 20 years of fieldwork.'

Publication on the excavations at Roman fort Matilo in Leiden

The threat of totalitarian domination; the rise of bureaucratic expertise; the resurgence of nationalisms and xenophobia; the claims of religion in secular societies; and the importance of robust legal and political institutions: these are among the main issues that mark—or specters that haunt—the 20th…

On 18 November 2020, Mojan Samadi defended her thesis 'Normering en toezicht in de opsporing'. The doctoral research was supervised by Prof. J.H. Crijns.

Valedictory lecture

Martijn Junte defended his thesis on 21 September 2017

Leidse milieuwetenschappers doen onderzoek naar microplastics, bestrijdingsmiddelen en bemesting. En binnenkort naar lichtvervuiling en nieuwe materialen uit de nanotechnologie.