This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with University of California.

This is an Erasmus+ International Credit Mobility project of Leiden University Medical Center with Boston Children’s Hospital in the USA.

In this article, Kuipers and Timmermans analyze the first lady's relationship with policy problems in the period 1945-2013.

This new article by Monica Kaminska is part of a special issue for Journal of Cybersecurity, based on a selection of contributions from THe Hague Program for Cyber Norms' 2019 Conference.

This book offers a comprehensive analysis of China's global resurgence and its effects on U.S. dominance.

Does foreign aid promote human rights?

The US travel restrictions are deeply regrettable. Support will be offered to students and staff who are affected.

Organisations such as the EU are of enormous benefit to the member states, but the inhabitants of the member states are often unaware of this. Leiden researchers investigate whether international organisations such as the EU or ASEAN are able to influence global politics.

This article studies the securitization of immigration in the United States of America (U.S.), through the analysis of the National Security Strategies (NSS) published between 2002 and 2017, using a two-layered analytical framework that combines securitization theory and agenda setting theory.

In the present-day United States, to what degree(s) are far-right men and women similar and/or dissimilar in their motivating factors for engaging in far-right social movement activism?

This monograph, written by dr. Dennie Oude Nijhuis and published by Cambridge University Press, discusses the postwar development of the welfare state.

USMCA (North American Free Trade Agreement) is the successor to NAFTA – a free trade zone covering Canada, the United States and Mexico. This Agreement includes a new procedure to ensure compliance with fundamental labour rights.

The crisis in Iran seems to have settled and both countries are claiming victory. The Americans say that they taught Iran a lesson, but Iran projects the contradictory. Now, who is right? On Thursday 9th January, Bert Koenders commented on this on BNR News Radio.

The unit residue group, to which the present thesis is devoted, is defined using the norm-residue symbol, which Hilbert introduced into algebraic number theory in 1897.

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

Madeleine O. Hosli, Professor of International Relations, wrote this book in which she analyses the complex relations between the European Union (EU) as a regional organization and the United Nations (UN) as an international, global governance institution.

The main aim of this project is to reveal and unravel the invisible histories of the UN, transcending the dominant Western perspective to recover the historical agency of Global South actors. The research will investigate how the UN has both facilitated and limited their role in shaping global order…

The Summer School ‘The European Union, the United Nations and Global Governance’ will focus on a range of topics relevant to interactions between the European Union (EU) and the United Nations (UN) and the EU’s role within current patterns of global governance.

Madeleine Hosli, Professor of International Relations at Leiden University, together with two other authors, wrote a chapter in Group Politics in UN Multilateralism. This chapter assesses the composition and functioning of the African Union (AU) within the United Nations.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Afro-American slaves in the 19th century did not always flee to the north of the United States, according to historical research. Most of the slaves who fled remained in the southern states and posed as free coloured people. This is the conclusion that Professor Damian Pargas from Leiden University…

For 20 years, Comenius has been affiliated with the University of Groningen and organizes courses - both nationally and internationally - around personal leadership. The Comenius Courses are designed for experienced directors and managers from the public and private sectors such as general managers…

Political scientist Matthew Longo (Leiden University) takes a detailed look at the evolution of border security in the United States after 9/11. Far from the walls and fences that dominate the news, he reveals borders to be thick, multi-faceted and binational institutions that have evolved greatly in…

Something that a year ago would have been unthinkable has become a reality on 12 June: Donald Trump and Kim Jong-un sat down together to talk about nuclear disarmament. Can these two hardliners reach agreement in the negotiations? Professor of Korea Studies Remco Breuker is doubtful. 'As it looks now,…

The United States and the European Union need to work together more closely in the field of the law to fight terrorists and criminals who are operating increasingly internationally. This was the advice given by American Minister of Justice Loretta Lynch during her visit to Leiden University on 1 Jun…

This article devises a framework to assess the degree to which human rights bodies provide duplicating or contradicting recommendations to States. Focusing on the case of torture, it creates an original database of recommendations delivered to 14 countries in the years 2012–2016. Results show that duplications…

Professor Maartje van der Woude of the Van Vollenhoven Institute delivered a special Dies Lecture in San Francisco on Wednesday 12 February.

Madeleine O. Hosli & Jaroslaw Kantorowicz analyze EU states' foreign policy divergence at the UN General Debate, assessing if Lisbon Treaty reforms increased EU cohesion or if states maintain distinct positions.

Zeynep Sarlak defended her thesis on 25 August 2020

This edited volume provides a synthesis on the question of business attitudes towards and its influence over the development of the modern welfare state. It gathers leading scholars in the field to offer both in-depth historical country case studies and comparative chapters that discuss contemporary…

Election Day is over, but it's by no means clear who the new President of the United States will be. On the morning after Election Day, US expert Sara Polak relects on the results that are in so far, and looks ahead to the coming days.

On Tuesday 8 November, Americans will go to the polls for the so-called midterm elections. 'We tend to look at this election as if it were a poll on Biden. But it’s not a presidential election,' emphasises associate professor Sara Polak.

This commentary on the United Nations Convention Against Corruption discusses each provision of the treaty, traces the provisions’ drafting history, and explores their implementation in domestic legal systems.

This dissertation investigates Extended Lexical Units (ELUs), elements that are bigger than just one word and which are stored in the Lexicon.

There is a growing conflict between the US and the EU about the investigation by the Commission under the EU State aid rules into so called

Across Europe, new welfare programs exemplify attempts to govern through community. This article asks how such governing through community is done in practice. Drawing on comparative insights from fieldwork with parenting support professionals and volunteers in Amsterdam, Milan, and Paris, we document…

State utilization of 'hukum adat' and its implication for the Indonesian rule of law

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

Debate, Panel and Q&A session

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

On 17 April, Evert-Jan Govaers defended the thesis 'Ministers of State. Unknown and desired; from stage to the wings?'.The doctoral research was supervised by Wim Voermans.

The State & Society network critically interrogates the assumption that state and society are a priori conceptual and empirical objects.

In this project of the Center for Public Values & Ethics (CPVE) ongoing research is conducted on the history of advice to Dutch central government by so-called State committees from 1814 to 2014. State committees have been installed by Dutch central government since 1814 to provide expert advice, research…

Political Scientist Valentina Carraro (Leiden University) devises a framework to assess the degree to which United Nations human rights bodies provide duplicating or contradicting recommendations to states. Focusing on the case of torture, she creates an original database of recommendations delivered…

This collection of essays is the first to compare the emergence and development of these different types of regional identities.

Lecture, Histories Connected: Special Guest Lecture