Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…

Sieger van den Aardweg is Knowledge Base Manager for the Grant Development Team at the Strategy and Academic Affairs Directorate, part of Administration and Central Services. He is working within the Leiden Research Support programme on tailored information provision, in collaboration with several institutes.…

Alistair Kefford is a historian and urbanist. He is a specialist in the development of cities and society in the modern era. His current research focuses on the rise of real estate development and its far-reaching impacts on cities and citizens all over the world. He is chair of Leiden's Urban Studies…

Martijn van Ette is a PhD-candidate at Leiden's Institute for History. Being part of Dr. Andrew Gawthorpe's NWO-funded project that focusses on American foreign policy and (il)liberalism, he focuses on Southeast Asia and the perceptions that shaped America's strategic interpretations of the region.

Louis Sicking lectures medieval and early modern history at the Leiden University Institute for History and is Aemilius Papinianus professor of History of Public International Law, at VU University Amsterdam.

Matthew Frear is an Assistant Professor at the Institute of History. He teaches and supervises students on the BA International Studies, MA International Relations, BA Russian Studies, and MA Russian and Eurasian Studies programmes. His main fields of research are Russian and Eurasian politics and international…

Researchers from Leiden University have developed a method to predict which sellers will be successful in illegal online marketplaces. This could help the police track down big players on the dark web, the hidden part of the internet.

In the space of seven weeks, the staff of the LUMC and Leiden University have left home more than 35,000 times for a short walk, or an Ommetje as it is known. Healthy University Leiden launched the Ommetje walking challenge to encourage its staff to adopt a healthy lifestyle. Thus far this has resulted…

They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.

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…

The Countering Syndemic Vulnerability project supports communities by identifying and tackling clusters of social factors and health problems. The project works with residents and professionals in the Moerwijk district in The Hague and the Stevenshof district in Leiden.

From 13 to 16 July, Leiden will host the EuroScience Open Forum (ESOF), the largest multidisciplinary scientific conference in Europe. Lars van Doorn from Leiden Law School will give a presentation.

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

After the May elections a new University Council has now taken seat. The university democracy is the result of the long-lived national student protests in 1969. Students from Leiden joined the protests for greater representation, although their actions were less revolutionary than at other universities.…

Leiden Law School takes great pride in announcing that the University of Strathclyde has bestowed an honorary doctorate on Professor Ann Skelton, Professor of Children's Rights in a Sustainable World at Leiden Law School and Chair of the United Nations Committee on the Rights of the Child. This prestigious…

Professor of Law and Society Maartje van der Woude has been appointed as a Mercator Fellow at the University of Göttingen’s research group Mobility Rights in the Global Context of Multiple Crises, which studies human rights and migration in times of crisis.

Are you worried about your smartphone addiction? Trust us, it could have been far worse… A shocking discovery, by an interdisciplinary team of specialists from Leiden University, revealed that Neolithic people were heavily addicted to stone axes. The axes were produced under horrific circumstances in…

As coordinator and lead promoter respectively of the Leiden Healthy Society Center, psychologists Sandra van Dijk and Anke Klein use interdisciplinary collaboration to resolve the major health problems of the present day. How are they going to do that in the coming period?

Our university labs are bursting with cutting-edge research, but how do you commercialise these inventions and discoveries or translate them into outcomes that benefit society? Professor of biological chemistry Nathaniel Martin started a spin-off company with his team. ‘When it comes to valorisation…

Using enslaved people as servants, becoming an administrator in the Dutch West India Company or making uniforms for the colonial army. Many people from Leiden played a role in colonialism and slavery. Historians are conducting preliminary research and finding striking examples.

After the Second World War almost three million people emigrated from the Netherlands to countries such as Canada and Australia. The government information was anything but objective, Professor by Special Appointment of Dutch Studies/Dutch Literature Ton van Kalmthout concludes in his inaugural lect…

Michel Wyss is a PhD student at the Institute for History.

Title research: The Interaction between Competition Law and International Investment Law

Jiaxuan Huang is a PhD candidate at the Institute for History.

Title research: Judicial independence in the context of accession to the European Union.

Title research: EU rule of law promotion in the Western Balkans through judicial reforms: strengthening the rule of law through the EU driven judicial vetting process in Albania

Title research: Competition law enforcement.

Title research: Addressing business-related economic, social and cultural rights violations in post-conflict transitional justice: A case study on the extractive industries’ role during conflict and transition.

Title research: The Role of Partnerships in Supporting and Advancing the Corporate Responsibility to Respect human Rights in Supply Chains.

Travis Bowman is a PhD candidate at the Institute for History.

Research title: Financial regulatory law through a philosophical lens

Juliette Staüdt is a PhD candidate at the Institute for History.

Talha Gunay is a Meijers PhD candidate at the Europa Institute of Leiden Law School. His research concerns the judicial and administrative implications of the increased cooperation on return between the EU authorities (Frontex) and Member States under EU law.

Title research: Do the ECtHR judgments and decisions dealing with applications that concern unrecognized states have an impact on the political process of conflict resolution? If yes, is this impact positive or negative?

Title research: Digital Labour Platforms and the Upholding of Fundamental Labour Rights.

Title research The extent to which modern illiberal democracies can be reconciled with international human rights law

Rosanne Baars is a NWO-Veni postdoctoral fellow at the Institute for History.

Title reacherch:Environmental Migration in a Regional Perspective: Protection and Opportunities through Regional Free Movement Regimes and Regional Human Rights Treaties.

Mario de Jonge is an educational adviser and researcher at ICLON.

Johan de Jong is assistant professor in Continental Philosophy at Leiden University. He also holds a research fellowship in the project “Nietzsche: Experiment en nihilisme” at the Radboud Universiteit Nijmegen.

Ron Vollebregt is a PhD candidate at the Institute for History.

Hein Drop is an external PhD candidate / guest at the Institute for History.