1,546 search results for “extremism” in the Public website
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Ethical standards for data science
Computers are becoming so smart that in the future they will perhaps take over the role of judges. In the meantime, experts at Leiden University are examining the question of which standards responsible data science should meet.
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South American population history revisited: multidisciplinary perspectives on the Upper Amazon
This project, South American population history revisited: multidisciplinary perspectives on the Upper Amazon (SAPPHIRE), investigates population dynamics in western South America on the basis of traces in the geographical, genetic, archaeological, ethnological, and linguistic record.
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APELAFICO: Acoustic ecology of PELAgic FIsh COmmunities: A study into the effects of construction and operation of wind farms
Do offshore windfarms affect the local biodiversity of the pelagic fish community and are fish deterred or attracted by sounds?
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About the programme
In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.
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About the programme
In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.
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Education
The Institute of Security and Global Affairs (ISGA) offers courses at both bachelor’s and master’s level. There are also minors, online learning and courses for professionals.
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Excellent ratings in ‘Keuzegids’ for master's HAS
The Keuzegids is an independent consumer guide that compares all (master’s) programmes in the Netherlands. Students evaluate the programmes based on content, atmosphere, lecturers, assessment, and career preparation.
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Sustainability
LACDR is committed to incorporating sustainability into our education and research. By developing environmentally responsible innovations in drug research, promoting the awareness of the importance of sustainability with LACDR staff and students, and implementing sustainable daily practices within our…
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Career prospects
Whether you continue to live in Europe or move abroad, the LL.M. International Financial Law prepares you for a successful career in a constantly growing global field.
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Why Leiden University
Leiden University’s European and International Business Law programme has been successful for more than 20 years. Read more information about the benefits.
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LCCP Colloquium "What Tolerance Could Henceforth Be"
Lecture
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Awards and Grants 2026
On this page you will find an overview of awards and prizes granted to our staff and students in 2026, as well as special appointments at Leiden University and other institutions.
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Developmental Psychology (research) (MSc)
The Developmental Psychology specialisation of the Research Master’s in Psychology offers a strong theoretical background to provide the varied knowledge-base needed for a thorough understanding of emotional and cognitive development across childhood and adolescence.
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Italian Language and Linguistics
Italian Language and Linguistics at Leiden University draws on diachronic and synchronic perspectives to bring you an advanced qualification in Italian linguistics.
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LLRC conference 2026: Language teacher research
Conference
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Jelle van Buuren over Tobias R.
Toch kan je volgens dr. Jelle van Buuren dader Tobias R. niet in een bepaald hokje plaatsen. Van Buuren is kenner van het rechts-extremisme en reageert in het Reformatorisch Dagblad op de passages van Tobias R.
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Astronomers capture first-ever image of a multi-planet system around a Sun-like star
An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…
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Arrival of cryostat marks milestone on the road to the world’s largest telescope
After years of development, the moment has finally arrived: a massive cryostat, a highly advanced freezer that keeps the sensitive components extremely cold, has arrived in Leiden from Zurich. The device is the largest component of METIS, one of the first instruments for ESO’s Extremely Large Telescope…
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Bart Schuurman appointed Professor of terrorism and political violence
Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.
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Terrorism is created in a social context: ‘We need to talk about context far more often’
‘Countering violent extremism – the international deradicalization agenda’ is the name of the book Tahir Abbas published last month. In this interview the associate professor in Terrorism and Political Violence at ISGA tells about the backgrounds and goals of the book.
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ALMA reveals hidden chemical processes at the heart of the Milky Way
Astronomers in Leiden have used the Atacama Large Millimeter/submillimeter Array (ALMA) in northern Chile to produce a new detailed image of the centre of our Milky Way. This allows them to investigate the life of stars in the most extreme region of our galaxy. The Leiden scientists, led by Katarzyna…
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‘Radicalisering is een logisch gevolg van hoe wij samenleven’
Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven
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Rock art research at Qurta
Dirk Huyge (Director) & Wouter Claes (Vice-Director)
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From Liquid Helium to Quantum Materials: Physics in Leiden, Then and Now
To mark Leiden University’s 450th anniversary, this exhibition pairs historic photographs with contemporary research. Seven ‘Then & Now’ diptychs show how the Institute of Physics blends a rich past with cutting‑edge science.
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The Human Side of Homicide
On 28 February, Marieke Liem, Associate Professor at the Institute of Security and Global Affairs, appeared as a guest on the Dutch NPO Radio 1 Brainwash Podcast to discuss the 'big homicide questions' she is trying to find the answers to.
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Leiden physicists search for ultralight dark matter using a magnetically levitated particle
Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…
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Journalism master’s students get to work in the city for Leiden 2022
In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.
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ISGA Education Programmes evaluated very highly by students, despite COVID-19 Adaptations
Evaluations of a most challenging year to both staff and students in terms of teaching and education support have turned out remarkably well. Although we had to switch to online education almost overnight, we pulled it off!
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Thijs Brocades ZaalbergFaculty of Humanities
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Tahir Abbas promoted to full professor of Radicalization Studies: ‘I consider myself blessed to have this opportunity’
Tahir Abbas was named full professor of radicalization studies by the Executive Board. This chair, according to Abbas, is an excellent opportunity for ISGA to broaden its current focus on terrorism and political violence. Abbas was interviewed about his ambitions, writing as a form of relaxation, and…
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The paradox of extremist families
PhD candidate Layla van Wieringen examined how extremist beliefs are passed on within households. In her dissertation ‘Rotten Trees, Bad Apples? Understanding the Intergenerational Transmission of Extremism’, she reveals a reality that media and politics rarely address.
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Genetic predisposition to social anxiety disorder measurable in the brain
It was already known that social anxiety disorder often affects more than one person in the same family. But research by PhD student Janna Marie Bas-Hoogendam has now shown that there are genetic brain characteristics that are associated with social anxiety. The PhD ceremony will take place on 14 Ja…
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Habitats of freshwater fish species are threatened by global warming
The habitats of freshwater fish species are threatened by global warming, mainly due to rising water temperatures. This is the conclusion of a study led by Radboud University, in collaboration with Utrecht University, PBL Netherlands Environmental Assessment Agency, Leiden University and others. The…
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The publication of Domestic Homicide; a much-needed synthesis of the literature on domestic homicide.
By Marieke Liem and Frans Koenraadt. Domestic homicide constitutes an extreme type of interpersonal violence. This book offers a much-needed synthesis of the literature on domestic homicide, covering its history; the theories supporting it; its various forms such as filicide, intimate partner homicide,…
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‘Extreem menselijk falen’ van hulpinstanties bij mishandeld pleegmeisje Vlaardingen
Jeugdhulpinstanties zijn ernstig tekort geschoten bij hulp aan het mishandeld pleegmeisje uit Vlaardingen, blijkt uit nieuw onderzoeksrapport. Hoogleraar jeugdrecht Mariëlle Bruning schoof aan bij Nieuwsuur: ‘Het gaat om extreem menselijk falen.’
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Computer scientists from Leiden and Eindhoven optimise building designs
The design process of new buildings is extremely complex due to strict requirements. Computer models are used to create the designs. Scientists from LIACS developed advanced algorithms that help their colleagues at Eindhoven University of Technology to optimise these models.
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‘Do something for the broader astronomy community as well’
As Director-General of the ESO for the past ten years, Leiden University astronomer Tim de Zeeuw had ‘the best astronomy job in the world’. Back at the Leiden Observatory, he is focusing on the first 3D map of the Milky Way.
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Sjoert van Velzen receives Vidi grant to solve 'riddles from the universe'
Minuscule elementary particles from space colliding with Earth can give us an insight into the distant objects they come from. But first, you need to know how to catch them. With a Vidi grant from NWO, researcher Sjoert van Velzen will 'hunt' for neutrinos coming from exploding black holes.
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Dynamic personalised sarcoma care: implementation of a mathematical prediction app in the clinic
A new app provides dynamic predictions of survival for patients suffering from soft tissue sarcoma. It was developed by the mathematical Institute research group DASPO, Data Analysis and Survival for Personalised Oncology.
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Grants to build large-scale research facilities
Five projects with researchers from Leiden University have received a grant from the Dutch Research Council (NWO) to build or upgrade existing research facilities.
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Habitable planets around pulsars theoretically possible
It is theoretically possible that habitable planets exist around pulsars, rotating neutron stars. Such planets must have an enormous atmosphere that convert the deadly X-rays and high energy particles of the pulsar into heat. That is stated in a scientific paper by astronomers Alessandro Patruno and…
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1.3 million euros to catch quantum collapse
Leiden physicists Tjerk Oosterkamp and Dirk Bouwmeester have received a 1.3 million euro Science-Groot grant from NWO to catch a mystery at the core of quantum mechanics, together with Amsterdam physicist Jasper van Wezel.
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Corona virus update
Following current regulations regarding the attempts to constrain the effects of the Corona virus outbreak, the University of Leiden has cancelled all physical forms of teaching until 6 April. As conference organisers, we will use this period to consider how to proceed with the conference. In the most…
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The IIASL wins the NLF Excellent Aerospace Education Award
We are extremely proud to have won the Excellent Aerospace Education Award of the NLF (Netherlands Aerospace Foundation) for 2017.
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Excellent status for Master of Laws: Advanced Studies in International Children’s Rights
The staff of the Master of Laws: Advanced Studies in International Children’s Rights is extremely proud.
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Surprise: No methane on the night side of exoplanet WASP-43b
The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…
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Child rights expert sounds the alarm: ‘Global crises are hitting children hardest’
Wars, climate change and the effects of covid have caused a global decline in children’s well-being. In her inaugural lecture Ann Skelton, Professor of Children’s Rights in a Sustainable World, points to the disastrous effects of multiple interacting crises.
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Anatomical Collections as Public History
The third project, worked on by dr. Rina Knoeff, is a synthesising project directed at studying the Leiden anatomical collections as important parts of ‘public history’. It will use the results of the other projects in order to analyse anatomical collections (their focus, significant silences, audiences,…
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Journal of Global Slavery
The Journal of Global Slavery (JGS) aims to advance and promote a greater understanding of slavery and post-slavery from comparative, transregional, and/or global perspectives. It especially underscores the global and globalizing nature of slavery in world history.
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LEAF
Leiden University encourages all its laboratories to obtain LEAF (Laboratory Efficiency Assessment Framework) accreditation.
