Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.

This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

In an increasingly complex and security-challenged society, the CSM programme, Governance of radicalism, extremism and terrorism, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

A preparatory seminar in Bonn leading up to the Annual Meeting in Johannesburg in August of this year

Last week Esther Kentin participated in the Second Meeting of the Ad Hoc Open-Ended Expert Group on Marine Litter and Microplastics organized by UN Environment in Geneva.

In November 2013, three PhD students started in Herman Paul’s VIDI project ‘The Scholarly Self: Character, Habit, and Virtue in the Humanities, 1860-1930’. In this newsletter they introduce themselves.

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?…

For many a first-year, student life has well and truly begun. This also applies to students in The Hague, who were thrown in at the deep end during the HOP introduction week. We paid them a visit on a sunny afternoon at Landgoed Clingendael.

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

Franx

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

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.

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.

This thesis describes the design and synthesis of fragments of various cell wall carbohydrates of the Streptococcus species, including the branched Group B-specific antigen (GBC) of Group B Streptococcus, glycerol phosphate (GroP) modified group A carbohydrate (GAC), and the O-acetylated type 1 capsular…

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…

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

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…

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.

The Issues beneath the Surface

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.

Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.

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…

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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 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.

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

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.

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

’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.

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.

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

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…

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

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…

Leiden University is organising two international conferences on security from 7 to 10 November in The Hague. Power relations, negotiating with extremists, cyber espionage, and the experience of a real crisis situation are some of the issues on the agenda. The conferences will be opened by Mayor Jozias…

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…

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…

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…

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

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).

Tackling key challenges of Chemical Biology and Medicinal Chemistry to aid drug discovery is one of the focus areas of Leiden University. To this end, the Leiden Early Drug Discovery & Development network (LED3) was established by the Leiden Institute of Chemistry (LIC), the Institute of Biology Leiden…

Large telescopes can look so deep into the Universe that they can also look back billions of years in time. From 2018, the successor of the Hubble Space Telescope, the James Webb Space Telescope, will be able to see the period just after the Big Bang, when the first stars and galaxies formed. Astronomers…

People who are arrested on suspicion of preparing an attack are at risk of becoming radicalised either during or after their detention. Whether or not to arrest someone requires careful consideration. At the end of the prison sentence, it is important to provide effective supervision of the reintegration…

Promotor: P.M. Brakefield

How do people acquire language? How can you train your brain? What is the effect of stress on an unborn child? LIBC research topics range from language processing to cognitive robotics, and from psychiatric disorders to the impact of social factors on human behaviour. Meet several main research topics…

The promise made in the run-up to the last Dutch elections that the ‘next cabinet formation process will be quicker and more transparent’ has already proven unrealistic. To what extent does a minority Dutch government stand a chance in the Netherlands’ fragmented political landscape? Corné Smit, external…