Inspectors say the William Schrikker Foundation, a leading Dutch youth protection agency, is failing in its duties. Mariëlle Bruning, Professor of Child Law, told public broadcaster NOS: ‘It's deeply concerning that there's insufficient oversight of children’s safety.’

On Thursday 15 February 2018, the Hazelhoff Centre for Financial Law welcomed Roel Janssen, financial and economic journalist and writer, for the fifteenth Hazelhoff Guest Lecture.

The title of European City of Science was officially handed over to a delegation from Leiden in the Italian city of Trieste on 6 September. Leiden will be the science capital of Europe for the year 2022. The EuroScience Open Forum (ESOF), the largest interdisciplinary science conference in Europe, will…

Recently, Ingrid Leijten’s book Core Socio-Economic Rights and the European Court of Human Rights was published with Cambridge University Press. The monograph was published in the series Cambridge Studies in European Law and Policy (edited by Laurence Gormley and Jo Shaw) and deals with the protection…

This book, written by two representatives of Leiden Law School, describes the framework of the European Insolvency Regulation (recast) (‘EIR Recast’), in force since June 2017.

These are the proposed research projects for LEAPS 2019. Please note that not all projects will go ahead and some may still be added in the near future. Final funding decisions lie with the Faculty sponsors. And please make a note that if you are interested in an ESA project, to check if your state…

On May 24 Jorrit Rijpma took part in a panel discussion on “national states, common borders: future of border management in Europe, taking place in Warsaw, Poland.

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

On Wednesday 27 February, a group of around 30 Leiden Law students visited the EU’s Agency for the coordination of cooperation between police authorities, the European Police Office (Europol) in the world’s legal capital: The Hague.

In this article, Madeleine Hosli, Professor of International Relations at the Institute of Security and Global Affairs, and Jaroslaw Kantorowicz, Assistant Professor at the Institute of Security and Global affairs, discusses the relevance of structural variables in a time where European politics are…

Dutch knowledge institutions are taking steps to recognise and reward open science. On 13 December, the Open Science NL Steering Board approved a total of 1.2 million euros in grants to 23 institutions. The Centre for Science and Technology Studies (CWTS) leads the national coordination of the local…

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

Study in The Hague and gain the expertise to tackle challenges in security, sustainability and justice. Learn to navigate and influence today’s complex world.

In the research programme Microbial Sciences we perform state-of-the-art research in the field of biotechnology and microbial sciences.

On Thursday 25 and Friday 26 October 2018, the Europa Institute organized a conference within the framework of ‘Interaction between Legal Systems (ILS): Policing the High Seas’ and in cooperation with four Interest Groups of the European Society of International Law. The event brought together representatives…

This book focuses on policing in city-regions in Europe bringing together experts from across the continent to develop a sociology of urban policing and a unique methodology for comparing different metropolises in the same country.

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

Today a Report on the Commission’s proposal for a European Border and Coast Guard was published online. The report was written by Jorrit Rijpma at the request of the European Parliament’s LIBE committee.

This NWO-funded research programme focuses on the assumptions and methodology of the writing of history of science. History of science is in many respects a flourishing discipline: it currently yields an impressive volume of studies. Systematic reflection about the ways in which history of science may…

On 7 May, Aleksandre Zardiashvili defended the thesis 'Power and dignity: the ends of online behavioral advertising in the European Union'. The doctoral research was supervised by Bart Custers and Simone van der Hof.

The 9th Network Europe Conference in Edinburgh was held at June 2017 in Edinburgh and organized by the Europa Institut Zurich. The contributions of the conference are now published.

The International Institute of Air and Space Law, founded in 1985, collaborates with many world-class academic institutions.

The master's specialisation Data Science: Computer Science at Leiden University provides students thorough knowledge and understanding of statistical and computational aspects of data analysis, including their application in databases, advances in data mining, networks, pattern recognition, and deep…

As a research project between four Jean Monnet Chairs - two located in Europe, one in Canada and one in the U.S. -- the project DEUBAL has been approved in 2010 for co-financing by the European Commission. DEUBAL aims to study changes in European decision-making due to the Lisbon Treaty, by a combination…

The research programme Statistical Science is concerned with the analysis and interpretation of masses of data, the quantification of uncertainty using probability models, and the development and benchmarking of algorithms and methods with these aims.

On 12 June 2020 the ESIL Interest Group ‘EU as a Global Actor’ and City Law School London organized a Workshop on ‘The European Union’s External Action and International Law: A View From the Outside’. The event was convened by Jed Odermatt (City Law School) and Ramses A. Wessel (University of Groningen)…

The drafting of a handbook that serves as the first guide to European law in the area of children's rights, taking into account the case law of the European Court of Human Rights and the Court of Justice of the European Union (CJEU), as well as the decisions of the European Committee of Social Rights…

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

There are eight institutes at the Faculty of Mathematics and Natural Sciences:

On Friday 23 April, Jorrit Rijpma appeared before the European Parliament’s Working Group on Frontex Scrutiny. This working group was set up by the Parliament’s Committee on Civil Liberties, Justice and Home Affairs (LIBE) in response to allegations of serious fundamental rights violations taking place…

The Faculty of Science

After your graduation, Leiden University would love to stay in touch with you. Alumni are an important part of the university; with your experience we can improve the education, and you can be part of a valuable network full of knowledge and experience. Find out what options you have to stay in touch…

In this article, Adriana Cerdeira and Dovile Rimkute explore how certain dynamics shape banks' behaviour.