In this article, Samir Negash, PhD candidate at the Institute of Public Administratation, discusses the discrepancy in European countries between the measured impact of immigration on the welfare state and how this impact is perceived by citizens.

The nation-state is not so old as we are often told, nor has it come to be quite so naturally. Getting this history right means telling a different story about where our international political order has come from—which in turn points the way to an alternative future.

This thesis describes how complex and real-world relevant analytical solutions can be found starting from a simple Nagumo problem posed on one or two-dimensional lattices.

This study examines how European state administrations responded to transboundary crises over the past 30 years and the extent of their successful adaptation.

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.

Embryonic stem cells have the remarkable ability to develop into any type of cell. On their way to become for example a liver or a heart cell, they must repeatedly decide between alternative developmental paths. How they make these decisions is largely unknown. An international team of biophysicists…

Researchers from the Leiden Institute of Chemistry show proof of principle that live-cell structural changes and metabolic processes can be followed in real time with NMR spectroscopy. They performed their study on photosynthetic green algae that are metabolically flexible and can sustain energy generation…

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

Recent years have seen a vibrant scholarship on health policy and politics. While much is now known about changes to health policies and institutions over time, this study finds that scholarship still lacks research on the linkages between health policies and health outcomes (Marmor & Wendt, 2012).…

Latif Fauzi defended his thesis on 18 May 2021.

All players on the world stage operate strategically in order to safeguard their interests. Political scientists at Leiden University cast light on this volatile interplay of forces. Their research helps voters, NGOs, governments and international organizations make smart choices in this complex and…

Lecture

Discover the course Extremism, Disinformation and Hostile States of the Centre for Professional Learning and learn about current events. Read more here!

In the wake of controversial disclosures of classified government information by WikiLeaks and Edward Snowden, questions about the democratic status of secret uses of political power are rarely far from the headlines. Despite an increase in initiatives aimed at enhancing government transparency – such…

The LUMC has become the first institution in the Netherlands to treat a patient with an autoimmune disease using CAR T-cell therapy.

This article investigates how temporary coalitions of non-state actors engage in international negotiations on environmental issues.

The lecture series 'Humanity in the Automated State' examines how AI and automated systems are transforming government and public administration and what it means to be human within these digitised institutions.

In this article, the authors analyse two major factors that deepen informality, namely multipolar geopolitics and the rise of non-state actors.

Reconfigurations of Practice, Community and Authority in Contemporary Aceh

The Leiden University Medical Center (LUMC), the Danstem Institute from the University of Copenhagen and the Murdoch Children’s Research Institute in Melbourne have received 300m euros from the Novo Nordisk foundation. The aim of this new international consortium is to bring stem-cell based therapies…

Immunotherapies for cancer are an emerging class of therapeutic strategies which aim to treat cancer via augmentation of the immune system.

Kidney failure is a serious issue because kidneys cannot regenerate themselves after injury. A possible solution consists of artificially growing healthy kidney tissue. To achieve that, scientists first need to understand kidney development during the earliest stages, in the fetus. Leiden researchers…

Leiden researchers study the extent to which Asian citizens can invoke the rights that they have on paper. This knowledge helps them advise the different levels of government and NGOs on how to improve the lot of poor citizens in particular.

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

State fragility and conflict continue to be among the most enduring development challenges of the 21st century. The consequences of fragility and conflict on individuals, States and the international community are profound. At the individual level, an estimated 2 billion people or a quarter of the world's…

Yi-Wen Cheng defended her thesis on 28 May 2015

A new mathematical model may explain how body cells get their shapes and what makes them move within a tissue. The model provides fundamental knowledge for applications in tissue engineering, amongst other things. Publication in open-access journal iScience.

Zebrafish-human communication shows that cancer cells lacking a signaling protein are less able to develop aggressive metastatic properties. This discovery has been made by molecular cell biologist Claudia Tulotta. PhD defence 14 June.

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

The life of a fibroblast is heavy, but PhD student Julia Eckert makes it 19.5 times heavier, using the Large Diameter Centrifuge at the ESTEC space research centre in Noordwijk.

More allowance should be made for differences between municipalities, argues Geerten Boogaard, Thorbecke Professor of Local Government. The Municipalities Act could, for instance, offer a ‘menu of options’ for the decision on whether to have an elected mayor. Professor Boogaard will deliver his inaugural…

Antoaneta Dimitrova, Professor Comparative Governance at Leiden University, Honorata Mazepus, Assistant professor at Leiden University and Dimiter Toshkov, Associate Professor at Leiden University, together with three other authors researched which aspects of state capacity might contribute to opening…

A discourse on international cyber norms has emerged ever since the United Nations Group of Governmental Experts on Developments in the Field of Information and Telecommunications in the Context of International Security (UN GGE) recommended eleven norms on responsible state behaviour in cyberspace.

On 16 June 2020, Andrea Varga defended her thesis 'Establishing State Responsibility in the Absence of Effective Government'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. F. Baetens (University of Oslo).

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.

On 27 June 2019, Vid Prislan defended his thesis 'Domestic Courts in Investor-State Arbitration: Partners, Suspects, Competitors'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.

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

Viral hemorrhagic fever (VHF) is a group of acute diseases caused by highly infectious viruses including Ebola, Lassa, Dengue viruses. Its high mortality rate poses high risk to public health, however, studies on VHF have been hampered due to the non-availability of proper models and incomplete knowledge…

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

This dissertation contains four works during my PhD. Different biomaterials have been designed based on coiled-coil peptides. These biomaterials have a range of applications, inclusing drug delivery, cell sorting to cell-cell fusion.

Promotor: Prof.dr. T. Schmidt

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?