If someone around you yawns, the chances are that you too will soon yawn. In orangutans it has now been found that scratching is very contagious. This is what cognitive psychologists from Leiden discovered at Apenheul Primate Park. Publication in American Journal of Primatology.

Your theoretical knowledge and hands-on research experience fit very well with current labour market demands.

Why should our team register for the Telders Moot Court Competition?

This thesis examines silicon pore optics (SPO), a technology that exploits silicon wafers from the semiconductor industry to create extremely high quality X-ray optics, by studying its manufacturing process, applications, and prospects.

What the Sex Lives of Bugs, Birds, and Beasts Tell Us About Evolution, Biodiversity, and Ourselves, Menno Schilthuizen reports from the front lines of evolutionary biology, on a quest to make sense of the origins, workings and evolution of our and other species’ reproductive selves.

Promotores: Prof.dr. F.P. Israel, Prof.dr. P.P. van der Werf

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In this thesis three different topics in number theory are studied.

Governance of crime and social disorder debate on Pacifying Police Unit (UPP) winning lot! In the group presentation in the CSM-elective ‘governance of crime and social disorder’ of teacher Elke Devroe CSM students battled again for the winning lot, namely this blog published in the Leiden University…

'I hope to contribute to a better understanding of social dilemmas we constantly face, like those that arise with climate change or the current pandemic,' says social and organisational psychologist Jörg Gross in an interview on his Starting Grant of the European Research Council (ERC).

’25 years of fatal violence’, a collaboration of dr. Marieke Liem and prof.dr.Lenneke Alink about murder and manslaughter in the Netherlands, has received a research grant by the Leiden University Fund.

Jan de Vetten brengt zijn promotieonderzoek ook uit in boekvorm. ‘In de ban van goed en fout’ beschrijft voor het eerst - op basis van archiefonderzoek en interviews - op samenhangende wijze de bestrijding van de CP en CD, en ook de reactie daarop van die partijen. Waarom werden ze zo fel werden bestreden?…

What makes people in the Netherlands join radical and far-right groups? PhD candidate Nikki Sterkenburg followed several activists. ‘Some feel it is their duty to defend the Dutch nation.’ PhD defence on 19 May.

All players on the world stage operate strategically in order to safeguard their interests. Political scientists at Leiden University cast light on this volatile interplay of forces. Their research helps voters, NGOs, governments and international organizations make smart choices in this complex and…

On 20-21 June, the Society for Terrorism Research (STR) held its annual conference in Oslo. The Center for Research on Extremism (C-REX) of the University of Oslo led by Professor dr. Tore Bjørgo hosted one of the main academic conferences in the field of terrorism studies. The central theme was the…

In April 2018, Melanie Fink was elected as a member of the Coordinating Committee of the ESIL Interest Group ‘The EU as a Global Actor’. For the next four years, she will work in that function alongside Christine Kaddous (University of Geneva), Anne Thies (University of Reading), and Ramses Wessel (University…

Former masterstudent Bio-Pharmaceutical Sciences Maddalena Centanni will be awarded the 2020 Arenberg Coimbra Prize for Erasmus Students. Centanni spent her six month Erasmus exchange at Uppsala Universiy in Sweden where she looked for ways to improve anti-cancer drug dosing.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

The Issues beneath the Surface

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Political scientist Wouter Veenendaal (Leiden University) provides an in-depth case study of clientelism in Malta, the smallest member state of the European Union. He reveals that not only that patron–client linkages are a ubiquitous feature of political life in Malta, but also that the smallness of…

We use laboratory animals to address research questions, but only when there is no alternative and the question cannot be answered in any other way. Read here why we conduct animals experiments.

This book provides a long-term historical analysis, exploring the roots of the low levels of corruption existing in Chile, going back to the 16th century and examining Chile’s institutional evolution until today.

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In dit onderzoek worden orde isomorfismen en orde antimorfisme bestudeerd in het algemene kader van partieel geordende vector ruimten.

This book examines how Muslim communities in the Netherlands perceive and experience extremism, counter-radicalisation policies, and Islamophobia.

On 21 March 2018, the Dutch people will vote for local their municipality board. In preparation for these elections, the local lobbying groups are more than ever present to voice their own local interests. Arco Timmermans, Endowed Professor Public Affairs at Leiden University, discusses these groups…

On Thursday 29 April 2021, Melanie Fink appeared before the European Parliament’s Working Group on Frontex Scrutiny.

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…

Simone van der Hof, professor of Law and Digital Technology at eLaw, has joined the EU Special Group on Code of Conduct for age-appropriate design as an expert.

The ELS lab @Leiden is looking for colleagues to join the newly introduced topic group on Goed Werkgeverschap (‘good employment practices’).

Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.

On the occassion of the appearance of new drone footage of indigenous groups living isolated in the Amazon rainforest, Meliam Gaspar was interviewed by RTL Nieuws. She spoke about the dangers these people face due to the encroaching modern world.

On October 20 and 21, 2016, Leiden University will host an international conference under the title

The Rural Riches research group convenes for coffee on a daily basis. Remotely, that is, to prevent the spread of coronavirus. It is the perfect way to stay connected, exchange ideas, and socialise. ‘We now are more in touch with each other than in the usual situation when we are all at the Faculty.…

With a special symposium at Museum Boerhaave, ESO celebrated its 60th anniversary on Monday, 26 September. More than 100 scientists, politicians and people from industry were present to look back on collaborations, milestones and discoveries. Leiden astrochemist Ewine van Dishoeck was one of the pre…

Behind the relatively stable income inequality in the Netherlands, big changes have been happening. Income inequality has increased over the past 40 years, but less sharply because women in lower income groups have begun working more. In contrast, men’s income has increased very little over the past…

How interest groups, differences in policy issues and institutional differences between countries affect whether public opinion is translated into policy?

On Wednesday, 5 September 2018, the second group of employees of the Ministry of Infrastructure and Water Management (IenW) started the managerial track of the Data Science course given by Leiden University (LCDS).

The annual Computer Applications and Quantitative Methods in Archaeology (CAA) conference is the most important scientific event in the field of digital archaeology.

To easily take part in group decision-making research, Jörg Gross, Assistent Professor Social and Organisational Psychology, launched a platform that allows students at the social interaction lab. Sign up to receive invitations if you are interested in taking part in on-going scientific studies in the…

On 18 October 2017, Leiden Law School was honored to welcome a group of experts upon invitation of Prof. M.R. Bruning, professor of Child Law and head of the Child Law Department of Leiden University, to discuss current and future research projects in the field of international child abduction law and…

Mathematician Oliver Nagy still vividly remembers the first time he learned about a random walk. ‘The lecturer told us to imagine a company of drunken students who wander in the streets. At each intersection, they would spin one of them around and all would go in the direction where he or she came to…

In Dutch newspaper NRC, Pieter Omtzigt says he finds it 'unconstitutional' that he has no right to vote in committee meetings. Omtzigt believes he is as much a Member of Parliament as other MPs. However, since 2017, a breakaway group is no longer entitled to a proportional share of staff support and…