Cases have been brought against YouTube and Reddit for spreading conspiracy theories. They are accused of being behind the radicalisation of a man who took the lives of ten black people in Buffalo, New York, almost two years ago. But can they be held liable? Michael Klos discusses this in 'Trouw'.

Met een openingswoord, een paneldiscussie op de Spaanse Trappen in Wijnhaven en een druk op de rode knop voor het gebouw zelf, is POPcorner The Hague donderdagmiddag officieel geopend door rector magnificus Hester Bijl.

Health Day has won the LUF Relationship-Promoting Activities Prize (LUF RAP). This 5,000-euro prize is awarded to an initiative by Leiden University students that brings the academic community together.

Kinderen hebben wereldwijd een betere toegang gekregen tot de rechter. Hoogleraar Kinderrechten Ton Liefaard schrijft dit in het tijdschrift Sociale Vraagstukken. Hij is voorzichtig positief over de resultaten van een VN-protocol voor rechtsbescherming van kinderen, dat tien jaar bestaat.

Op dinsdag 11 februari 2020 verdedigde Clara van Dam haar proefschrift ‘Guidance documents of the European Commission in the Dutch legal order’.

'Never underestimate universities as a connecting force.' These were the words of Rector Magnificus Carel Stolker in his address on the Dies Natalis, in reference to the imminent Brexit. A message that struck a chord with the Dutch and international media.

This weeks marks the 10th anniversary of the European Research Council. For the past decade, the council has contributed to many scientific projects all over Europe, including Leiden University. It has funded almost 7,000 researchers, leading to just short of 100,000 scientific articles. A total of…

At present, the cabinet still maintains that all provinces are motivated to cooperate with the sensitive issue of the nitrogen strategy. However, there are major concerns that the political landscape will look very different once the elections for the Provincial Councils on 15 March have been held.

An international team of researchers with Pascale Ehrenfreund from Leiden University has discovered that the dust particles of comet 67P/Churyumov–Gerasimenko are made up of even smaller particles. This discovery confirms that clumps of dust form the basis for comets and planets.

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, in conversation with the NOS, warns to remain alert despite the reduced threat level for terrorism.

The American president Trump is considering military intervention in Mexico to get rid of the drug cartels once and for all, but Mexico is not interested in other countries' interventions. According to Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, Trump's much…

Het Europees Hof voor de Rechten van de Mens oordeelt unaniem dat Rusland verantwoordelijk is voor het neerschieten van vlucht MH17. Nabestaanden spreken van erkenning en opluchting. Hoogleraar Internationale Geschillenbeslechting, Eric De Brabandere, duidt in een NOS-podcast het belang van deze uitspraak…

When discussing enslavement, attention often focuses on Africans forcibly shipped to South America. Researcher Timo McGregor's new Veni research sheds light on a lesser-known method, whereby indigenous populations were enslaved through the households of colonisers.

The Frits Kalshoven International Humanitarian Law Competition, organised by the Netherlands Red Cross and Belgian Red Cross-Flanders, lets students explore the legal framework governing armed conflict. Eight teams from Belgium and the Netherlands competed in the 19th edition (23–27 February 2026) in…

De groeiende militaire aanwezigheid rond Groenland moet veiligheid bieden, maar tegelijkertijd vergroot het de klimaatdruk op het kwetsbare eiland en zet het geopolitieke spanningen verder op scherp. Hilde Woker, universitair docent internationaal recht en expert in het zeerecht, ging in gesprek met…

Volgens hoogleraar internationaal recht, Larissa van den Herik, is het geen naïviteit om in internationaal recht te geloven. Het alternatief is volgens haar een wereld waarin rauwe macht overheerst en veiligheid verdwijnt, zegt zij in het NRC.

The fourteen Dutch universities have published a digital magazine in which the researchers explain the Digital Society programme in text and images.

New PhD opportunity at University of Amsterdam in 'Intercultural Contact and Identity Formation in Premodern Frontier Zones'. Deadline for application: 15 April 2025

On Friday, November 17, 2017, Assistant Professor Jens Iverson provided the Keynote for the annual symposium by the Minnesota Journal of International Law: Jus Post Bellum: Justice After the War.

During this LUMAN meeting we discussed the concept of

The European Consortium for Political Research (ECPR) has expressed its concern about reported infringements of academic freedom in Turkey. The ECPR, of which Leiden University’s Institute of Political Science is a member, urges the Turkish political authorities to ensure that all academics can do their…

The Pension Funds Dispute Authority (GIP) was founded on 1 January 2024. Albert van Marwijk Kooy has been appointed Chair of the Dispute Resolution Committee, which forms part of the GIP.

Last week Mariana Gkliati gave a working group session in the context of the Refugee Studies reading group of the Refugee Law Initiative of the University of London.

From September 2024, the existing departments of History and Medieval Studies will join forces and launch CEU’s new Department of Historical Studies. Our research and teaching are recognized for their innovative approach to graduate education, and our international faculty offers expertise that extends…

Alison McDonnell, Managing Editor of the Common Market Law Review and much respected colleague at the Europa Institute of Leiden University, celebrated her 30th work anniversary on 1 February 2020.

Rodrigues was asked to comment on the intention of certain Dutch political parties to examine whether the Netherlands, together with Denmark, could accommodate asylum seekers outside the EU, possibly in Rwanda.

Three MA students of the Institute of Immigration Law, Nick Perre, Myrthe De Vries and Hannah Richards have co-authored together with Mariana Gkliati, a blog deconstructing the notion of the ‘refugee crisis’ and connecting it with observations from a wider spectrum of socio-economic formations, which…

On 16 January 2018, the Asia-Pacific Research and Training Network on Trade (ARTNeT) published Fengan Jiang's (Richard) working paper entitled 'Export restrictions and policy space for sustainable development: Lessons from trends in the regulation of export restrictions (2012-2016)''.

Russian writer and cardiologist Maxim Osipov will come to the Netherlands for a year to teach in Leiden about Russian literature, his own work and the political situation in Russian.

Three Dutch universities: Leiden, Groningen and Vrije Universiteit Amsterdam have joined forces again this year to organize the Pre-doctoral programme in Indonesia for admitted and future Indonesia PhD candidates at Dutch universities.

The European Youth Award (EYA) is a leading pan-European competition honoring excellence in the use of internet and mobile applications for social empowerment.

LUCSoR is happy to welcome Verena Myer, researcher and lecturer in Islam in South and South-East Asia to the staff. In this interview she will discuss the course she is teaching, as well as her upcoming book.

Author: Andrew F. Cooper

The Swahili coast has a long-standing history of transoceanic Islamic connections dating back to the 25th century. Yet, print, has changed the world – not only ours. This project unravels unique forms and archives of intellectual history emerging from within South-South connections. In East Africa Indian…

Professor Maurits Berger is presenting an online course, starting on 6 November, on the images that Islam and the West hold of one another. The course will be useful for diplomats from Teheran to Islamabad.

A review of Elke Devroe's participation in the European Society of Criminology of 2016 : The first conference of the European Society of Criminology was held in 2000 in Lausanne. Now, 16 years later and lots of new ESC-members later, the 16th Annual conference of the European Society of Criminology…

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

PhD defence

PhD defence

PhD defence

PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.

Dutch troops, judges and politicians collectively condoned and concealed the systematic use of extreme violence during the Indonesian War of Independence. Historians have now shown how this could happen. ‘It was scandal management rather than prevention,’ says Leiden historian and research leader Gert…

Proton therapy is a new way of treating cancer in which radiation doses are delivered more precisely. This results in less damage to surrounding tissue and fewer side effects. Professor Marco van Vulpen is medical director of HollandPTC in Delft, where the social value of this therapy is studied. Van…

After an extremely painful conclusion, the Western allies have left Afghanistan and the Taliban have regained supremacy. How will Afghanistan move forward, and what does the departure mean for global relations? Rob de Wijk, emeritus Professor of International Relations and Security, analyses the failure…

What if a major world event alters the trajectory of your research project? Tsolin Nalbantian was studying citizenship along the Turkish-Syrian border when the Syrian Civil War erupted and led to a global refugee crisis. While her research participants were forced to flee the region, she was forced…

Is aviation on a one-way journey or a round trip? That is the question Steven Truxal will answer in his inaugural lecture From Disruption to Innovation in Air and Space: Legal Solutions for a Sustainable Future on Monday 15 November. This professor of air and space law is positive. That’s one thing…

Prof. dr. ir. Bas Rietjens of the Dutch Defense Academy (NLDA) has been appointed Professor by special appointment Intelligence in War and Conflict at Leiden University’s Institute for Security and Global Affairs (ISGA). The appointment of Rietjens is the result of a more intensive collaboration between…

How do Nepalese exiles in England celebrate their festivals? What are North Korean monuments doing in Zimbabwe? The ‘Heritage on the Move’ exhibition shows what happens to cultures under the influence of migration. From 3 December to 7 January in Leiden University's Oude UB.

In an Advance Online Publication biophysicist John van Noort and others show using magnetic tweezers that DNA is folded in compliant helices of chromatin. This allows enzymes access to the DNA needed for gene expression. Van Noort's research group made the discovery in close partnership with researchers…

No matter how hard Chinese communists tried to control the economy, they could not stop the free market from flourishing. This was the message given by historian Frank Dikötter on 7 February during a lecture on the Cultural Revolution. He will be awarded an Honorary Doctorate on 8 February.