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Lecture

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Leiden researchers have found clues to why a rare pregnancy disorder is mild in some babies but life-threatening in others. Their discovery opens the door to a test that could identify severe cases during pregnancy. Fortunately, a treatment already exists.

Under #TheCode European media report about Martijn Nouwens’s research on the secretive EU Code of Conduct Group which is tasked with tackling harmful tax competition in Europe. The stories expose to the wider public for the first time how this diplomatic high-level working group of EU Member States…

PhD defence

The Washington Post reviews Nationalism by university lecturer Eric Storm. In this book, Storm explores how nation-states became the dominant political organizational form.

Luuk van Middelaar and Vestert Borger, both affiliated with the Europa Institute of Leiden University, have recently been awarded a research grant by the Statesman Thorbecke Fund Programme of the Royal Netherlands Academy of Arts and Sciences (KNAW). The aim of the fund is to promote knowledge about…

Who holds rights to Greenland’s surrounding waters and natural resources? Which interests are at stake and for whose benefit? We put these questions to Hilde Woker, who specialises in the law of the sea in the Arctic.

On June 16, 2025, the Institute of Political Science at Leiden University hosted a panel debate about the ongoing mass student-led protests in Serbia. The protests have shaken the increasingly illiberal regime in Serbia to its core and have grown into the largest student protests in Europe since 196…

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

Without electronics carrying out computational tasks our daily lives would look very different. Devices such as elevators, vending machines, turnstiles, washing machines and even traffic lights use a simple form of electronic computing to switch from state to state. But, what if power supply is not…

Researchers from Leiden University, University of York, University of Barcelona/IQTCUB/ICREA and The Francis Crick Institute report a new class of experimental compounds that powerfully block influenza viruses. The findings offer a potential new strategy for treating flu infections and preparing for…

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

On 15 January, the winner of the famed LION Image Award will be announced. Submissions ranged from the famous 3d printed microboat to an eerily abstract graph depicting a Majorana fermion.

Nationalism is so prevalent in our society that we hardly realise it once didn’t exist. In his new book, senior university lecturer Eric Storm reveals the global history of the phenomenon. ‘Nationalist movements have always influenced each other.’

The annual LION Image award goes to the 30 micrometer long 3D printed microboat image that went viral earlier in October 2020, submitted by Rachel Doherty of the Daniela Kraft lab.

On 25 February 2021, the UN High Level Panel on International Financial Accountability, Transparency and Integrity for Achieving the 2030 Agenda (FACTI panel) has adopted its final report, to which Valentina Carraro (GTGC) and Hortense Jongen (VU Amsterdam) have contributed by writing a background paper…

On 31 January 2024, Alex Schilin defended his dissertation ‘United in Distinctiveness: The Institutionalisation of Differentiated Integration in Economic and Monetary Union during the Sovereign Debt Crisis.’ What motivated him to research this specific topic, and how did he tackle this project? And…

Lecture

Der Spiegel reports about the planned reform of the EU Code of Conduct aimed at tackling harmful tax practices of EU Member States. A reform is urgently needed to tackle remaining forms of tax competition, which cost EU countries billons of euros every year.

Dorota Mokrosinska has been Professor of Practical Philosophy since September. High time for a brief introduction about her field and academic interests.

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

Leiden Law School is celebrating its 450th anniversary and we have lots of special events planned to showcase what our faculty has to offer. For example, a series of ‘450-talks’ to be held at a unique location in the KOG.

On 15 February 2022, Irma Mosquera Valderrama, Professor of Tax Governance, holder of the EU Jean Monnet Chair on EU Tax Governance EUTAXGOV and Principal Investigator of the ERC funded project GLOBTAXGOV, participated in the High-Level Webinar Taxation and Business in Africa.

Jan Melissen, associate professor at ISGA and editor-in-chief of The Hague Journal of Diplomacy, and his team have been awarded 10,000 euros from the 'Valued' fund. This pilot fund, implemented by the KNAW (Royal Netherlands Academy of Arts and Sciences) aims to increase the interaction between science…

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

At the end of June 2021, The Dutch Ministry of Finance made a policy document public that dates back to 2016. In it, civil servants acknowledge that the Netherlands risked providing unauthorized State aid to American multinationals by allowing them to use a controversial, but favourable, fiscal construction:…

Translating poetry is notoriously difficult. Translating poetry in such a way that the humorous nature of a poem remains intact is even more difficult, even though it is precisely jokes that can encourage children to read more, notes PhD candidate Alice Morta.

Lecture, Leiden University Nationalism Network

As a strategy and international security specialist, Julien Bastrup-Birk (41) has advised both NATO and the United Nations Office on Drugs and Crime and worked at the UK Foreign and Defence ministries. Next week, he will defend his PhD on clandestine non-state power in the international system.

On 26 September – the European Day of Languages – we will shine a spotlight on our rich array of language and culture programmes. The faculty is organising the Evening of Languages, and we warmly invite you to join us. With an inspiring event we offer the public the opportunity to discover your area…

For years, the Dutch National Coordinator for Security and Counterterrorism (NCTV) has collected and shared privacy-sensitive information about citizens. Experts say this is in breach of the law.

A safe place to discuss burning social issues such as racism with each other. The student workspace Space to Talk About Race and the Afro Student Association both meet this need and also organise many other activities. Three board members explain why this is necessary.

The Academy of Creative and Performing Arts (ACPA) recently appointed a new academic director. Erik Viskil is taking over from Henk Borgdorff, who held the post for the past four years. What has been achieved in those years? And what does ACPA’s future look like? In this double interview we discuss…

Lecture

De collegereeks over het Nederlandse crisismanagementstelstel gaat vrijdag 26 mei van start. Lector crisisbeheersing bij het NIPV (Nederlands Instituut Publieke Veiligheid) Menno van Duin trapt af en geeft vast een voorproefje over het eerste college.

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

PhD defence

Marie Robin, Assistant Professor at the Institute of Security and Global Affairs, discusses in Le 1 Hebdo, Radio France and RFI how revenge, often condemned as destructive, can also reveal what societies consider just and shape pathways toward peace.

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

...What does seem clear, though, is that there is a great deal of room for improvement in the process of out-of-home placement. The FSW's social and behavioural scientists give their views.

The layout of a dissertation must meet certain requirements. Special rules also apply if the dissertation was written with others or if a commercial edition will be published.

In the current political situation of Bulgaria, it seems that a long-term caretaker government is the only viable option at the moment. Dimiter Toshkov, Antoaneta Dimitrova and Bernard Steunenberg of FGGA analyse what the Bulgarian caretaker government can learn from its Dutch counterpart.

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…