Wars, climate change and the effects of covid have caused a global decline in children’s well-being. In her inaugural lecture Ann Skelton, Professor of Children’s Rights in a Sustainable World, points to the disastrous effects of multiple interacting crises.

Congratulations to Sara de Wit and Miriam Waltz, who have just won a Leiden University Global Seed Fund. Their proposed project entails 'Climate Talks' to foster equitable exchange between indigenous knowledge systems and climate science.

Even though the COVID-crisis continuously evolves and is marked by new realities and uncertainties, we can carefully begin to take stock looking back on the first phases of Dutch crisis management. What can we learn reflecting on the crisis strategies of this extraordinary and transboundary crisis that…

What does European border security look like? On 14 April, Hans Leijtens, executive director of Frontex and former commander of the Royal Netherlands Marechaussee, is in The Hague for a lunch lecture. We spoke with him about border security, migration and the role of Frontex.

On 15 October 2021, the EFTA Court held its annual conference in Luxembourg, this year under the title 'People in the EEA'. The EFTA Court is in charge of cases arising under the law of the European Economic Areas (EEA) in the EEA/EFTA states Iceland, Liechtenstein and Norway. Christa Tobler was invited…

The response of international organizations to the problems of cross-border death and gift taxation needs to be revisited, according to PhD candidate Vassilis Dafnomilis. PhD defence on 3 June 2021.

The Economist published an article about a working paper about the effects of democratic elections on satisfaction with democracy. The paper was written by Dimiter Koshkov, Associate Professor at the Institute of Public Administration and Honorata Mazepus, Assistant Professor at the Institute of Security…

In September 2013 I moved to Leiden from the UK to take up the position of Assistant Professor covering politics and international relations on the BA Russian Studies and International Studies programmes and the MA Russian and Eurasian Studies.

Eva Michaels talks about the current international security environment, including intelligence issues with Sir John Sawers in an interview in El País.

Europe's open borders are under pressure: Europe has an increasing number of Member States with governments calling for tighter border controls. Several political parties in the Netherlands are also calling for stricter border controls, among other things, to reduce the number of asylum seekers. Yet,…

Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a dangerous pathogen, but not much is known about this bacterium. It was up to Ariane Briegel and her research group to change that.

Edmund Flett, alumnus of the International Relations master's programme, has won the 2023 J.C. Baak Prize for his thesis ‘Settlements now, settlement later. Land swaps, settler relocation, and the viability of the two-state solution in Israel-Palestine’.

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…

PhD defence

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

Award ceremony

The Grotius Centre for International Legal Studies is delighted to announce that Dr Farouk El-Hosseny will join the teaching staff as Visiting Assistant Professor of International Law.

Two researchers from the Institute of Political Science were recently awarded prizes. Claire Vergerio received the Francesco Guicciardini Prize for her book on the historical origins of the primacy of the state in international law ('best book in the historical international relations category'). In…

Not everyone benefits from the increased flexibility in the labour market. EU migrant workers engaged at the lower end of the employment spectrum are falling behind. According to Daniel Carter, the legal system is at fault and in his PhD thesis he explains the reasons why.

Three new ministries have been formed in the Netherlands: Asylum and Migration, Housing and Spatial Planning & Climate and Green Growth. Of course, this is not merely an administrative act. These ministries carry a strong and political charge and play a crucial role in shaping a government's political…

Predicting the collective behaviour of systems, like a large group of people electing one of the parties, is no easy task. But there’s a theory that scientists have been using for decades to do just that: the theory of Gibbs measures. Last week, mathematician Mirmukhsin Makhmudov earned his PhD for…

In a landmark ruling, the International Court of Justice says that states are obliged to protect the climate. Jolein Holtz, a climate and human rights expert, believes the Court is too vague about the impact for future generations: ‘A missed opportunity’.

We carry out regular evaluations with a view to improving the quality of our teaching. The programme committees and the Accreditation Organisation of the Netherlands and Flanders (NVAO) play an important part in this process. In addition, a student satisfaction survey is also carried out very year:…

That the tax authorities are allowed to impose taxes is widely known. What is less well known is when the tax authorities must impose taxes. And what to do when one set of regulations requires the tax authorities to impose taxes while other regulations prevent them from doing exactly that? Vergouwen’s…

If you want to travel for work to an area with a security risk country or area with the color code orange and/or red, you need prior permission from the university.

Lewis Wade has been a Postdoctoral Researcher at the Institute for History since 1 September 2023. Below he introduces himself.

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.

Het asielbeleid blijft een hoofdpijndossier voor het kabinet. Een akkoord zou bereikt zijn waarin iedere partij een kleine concessie zou doen. De VVD gaat uiteindelijk toch niet akkoord met deze nieuwe asielwet die gemeentes kan dwingen om asielzoekers op te vangen. De VVD fractie heeft moeite met ‘dwang’…

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.

Maartje van der Woude, together with Dr Irene Vega, has won the 2024 Theoretical Criminology Best Article Prize for the article ‘Colourblindness across borders: The de-racialised logics of Dutch and American border agents’ in the journal Theoretical Criminology.

Voormalig demissionair staatssecretaris van Fiscaliteit en Belastingdienst Marnix van Rij gaf op 17 juni in samenwerking met universitair docent Esther Huiskers-Stoop een gastcollege over belastingrecht en duurzaamheid. Deze lezing werd op initiatief van student Darya de Wilt georganiseerd.

Terrorism, crisis, violence, intelligence, diplomacy, war and peace are topics that are broadly covered in ISGA's research activities. Regularly, ISGA researchers appear in international media to discuss their research expertise. This item offers an overview of non-Dutch and non-English articles and…

To celebrate the formal launch of the Leiden Chinese Queer Collection (LCQC, 莱顿华语酷儿文献收藏), promote Chinese queer studies scholarship, and raise the visibility of Chinese queer history and culture, the LCQC steering committee will hold a workshop on 24-25 July 2025, under the aegis of the Leiden University…

Which law governs the Strait of Hormuz? Under international law, both Iran and the US are expected to comply with the ‘Constitution for the Oceans’. In practice, the situation is more complicated, explains maritime law expert Hilde Woker.

Many members of Chicago's P'urhepecha community did not even know they lived a stone’s throw from some of their own historical heritage. Researcher Kate Bellamy organised a meeting to introduce them to books hundreds of years old.

It was long thought that the early development of Japanese children's books served mainly as a propaganda tool of the state: the literature was supposed to have been written to shape children into perfect citizens. PhD student Aafke van Ewijk nuances this image. Children's book writers wanted to have…

Those who apply for asylum at the Immigration and Naturalisation Service (IND) are often asked about their main reason for migration. This process puts asylum seekers in a specific category, while their experiences are often much more complex and multifaceted. With his research on queer migration, PhD…

Grabovski spoke in various media on the occasion of Holocaust Remembrance Day on 27 January 2022.

Lecture, Lunch Talk

Understanding the behaviour of tiny droplets in our cells could aid the search for new treatments. A team of Leiden researchers has developed a groundbreaking method to study how these droplets transition from liquid to solid. This change plays a role in various diseases, including neurodegenerative…

Carla Cisternas Guasch, PhD candidate at the Leiden Institute for History, is one of the winners of the 2023 call of the Slicher van Bath de Jong Foundation for the advancement of study and research on the history of Latin America. She receives a research grant of €10.000 (max).

Daniela Kraft's group has succeeded in creating a network of microparticles that is both strong and completely flexible. This may sound simple, yet they are the first in the world to succeed in doing so. A real breakthrough in soft matter physics.

Every Political Science master’s student at Leiden University completes their degree with thesis. The thesis provides students with the opportunity to pursue a topic of their choosing in depth and conduct independent research. It is a demanding task that requires dedication, attention to detail, and…

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

An ICE agent fatally shot Renee Good in Minneapolis on 7 January, igniting nationwide fury over escalating federal violence. Could such an incident occur in the Netherlands?

An ICE agent fatally shot Renee Good in Minneapolis on 7 January, igniting nationwide fury over escalating federal violence. Could such an incident occur in the Netherlands?

Conference

For the first time, an international team of scientists led by Leiden Observatory and SRON can explain the extreme jet streams observed around the equators of all the giant planets using a single model.

Is the right to choose your healthcare provider protected in the Dutch Constitution? What are the consequences then for the Dutch healthcare system? PhD defence on 5 July 2022.