As a strategy and international security specialist, Julien Bastrup-Birk (41) has advised both NATO and the United Nations Office on Drugs and Crime and worked at the UK Foreign and Defence ministries. Next week, he will defend his PhD on clandestine non-state power in the international system.

‘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.

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,…

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.

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!

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…

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.

The nominees for the IRO thesis prize 2021 and for the Prof. Dr. J.Th.J. van den Berg prize 2021. Who wrote the best Political Science bachelor’s theses?

Screening documentary

The Executive Board of the University is shocked by the unannounced demonstration that took place Thursday afternoon at the Wijnhaven location in The Hague relating to the situation in the Middle East. Without first requesting permission, a large group of students and staff held a gathering there. Moreover,…

In a recent mega-analysis, researchers from Leiden University aimed to clarify the contradictory findings of research into social anxiety disorder. They found that to obtain reliable research results having the largest possible sample size is important. Publication in NeuroImage:Clinical.

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.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

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,…

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.

Taking exams well is a skill you can learn. It requires good preparation and the right strategy. An open-book exam requires a very different approach to a multiple-choice exam. The tips below will come in handy when revising and during the exam itself.

Meet the FLO committee 2024! To ensure that the FLO-days are tailored to students' needs, the FLO committee is made up of student representatives of each student association within the Faculty of Social and Behavioural Sciences. With the collaboration of Emile, Itiwana, Spil and Labyrinth we plan to…

After 45 years at Leiden University, it is time for Kees Goudswaard to retire. In his farewell lecture, he reflects on developments in his field: social security.

On 1 October 2024, Dr Jiska Engelbert was appointed as professor by special appointment on the Ien Dales Chair ‘Government as an Employment Organisation’. Her focus is on leadership in digital transitions, digital innovations, and the transformation of public services, with particular attention to local…

The Executive Board appointed Sanneke Kuipers as full professor effective January 1, 2022. Her chair is Crisis Governance. She combines this chair with her position as education director of ISGA, the Institute of Security and Global Affairs. A conversation about working 24/7 in crisis management, her…

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

Imagine: you’re seeking asylum in the Netherlands due to your sexual orientation or gender identity. The immigration authorities might question you about your sexuality. PhD candidate Elias Tissandier-Nasom, who is researching asylum applications submitted by LGBTQI+ children, explains that the process…

Recently, in the midst of coronavirus situation, Professor Corinne Hofman and her team became part of the NWO project Island(er)s at the Helm. Both the application process as well as the start of the project were challenged by the limitations set by Covid-19. ‘As a preparation we travelled through the…

Imagine no one in the Netherlands would eat animal products anymore, what would happen? And would it contribute to more climate justice? That is the theoretical exercise that environmental scientist Jan Willem Erisman and landscape architect Berno Strootman are taking up. 'Sometimes you have to think…

Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…

Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

A suitcase as a messenger of quantum science. That is the idea behind QuanTour, a project connecting researchers from 12 European universities. In December, the suitcase landed in Leiden. A month later, it is time to pass the baton to Copenhagen. But what happened to it in Leiden?

With the aid of artificial intelligence (AI), care professionals at the LUMC (Leiden University Medical Center) are able to calculate quickly and accurately whether a coronavirus patient has suffered serious lung damage. They do this by putting a CT scan through the AI software of the CAD4COVID-CT p…

Cookware handles, electrical plugs, brake pads. Unlike other plastics, these ‘thermosets’ cannot simply be melted down and reshaped, making them difficult to recycle. Chemist Roxanne Kieltyka and her team are now exploring a way to make these materials recyclable, potentially transforming the way we…

Dutch politics is becoming increasingly polarised, and forming stable governments seems more difficult than ever. In the heat of the election race, a psychologist and a historian offer cool-headed advice.

If Europeans eat less meat and dairy, this will have major consequences for farmers. New research shows that many barns and machines could lose their value. With the right policies, these losses can be limited. This is shown by research from Leiden, Oxford and Vienna.

The International Astronautical Congress (IAC) that took place last week in Paris was extremely successful for IIASL.

In a recent EUobserver opinion article, Salvador Santino Regilme, warns that Europe faces a crisis of legitimacy if it continues to ignore the structural influence of billionaires and oligarchic interests within its institutions.

In 2011, the Udhruh Archaeological Project was launched, bringing together teams of Jordanian and Dutch archaeologists to investigate the region and reconstruct ancient water harvesting techniques in the extremely arid landscape of Udhruh. Access to fresh water remains one of the most pressing global…

In a new Social Europe article, Salvador Santino Regilme, Associate Professor of International Relations at Leiden University, warns that the EU must radically rethink how it funds its security—before it is too late.

Lecture

PhD, Staff

‘The climate crisis is the greatest threat we face,’ says Leiden University environmental scientist Paul Behrens. ‘And yet, there is hope. In the near future, I think we will wonder why we didn’t make these changes earlier.’

Mozambican politician and child rights activist Graça Machel speaks October 27 at Leiden University about her work.

The first professional training organised by the Leiden-Delft-Erasmus Centre for Global Heritage and Development has finished. The participants work for municipalities, provinces, universities or are independent researchers or consultants in the Heritage Sector. During three intensive days in September…

A Leiden-Delft-Erasmus research team has been awarded a LDE Global Support Grant to develop reusable algorithms in the remote detection of non-orthogonal architectural features, taking place in the archaeological context of the northern extremities of the Andean, part of the Istmo-Colombian Area.

Prof. Suzan Stoter will be the Dean of Leiden Law School at Leiden University as of 1 January 2024. The Leiden University Executive Board has appointed her for a period of four years. Stoter succeeds Joanne van der Leun, who, together with the other members of the Faculty Board, brought great verve…

What if you get excluded? Are apps against fear and stress effective? How do you keep your brain in shape? The first season of the new podcastseries ‘BreinGeheim’ is about the social contexts of adolescent development and how teens become resilient individuals. Leiden-based behavioural scientist sit…

The Dutch Senate recently voted on a ban on imposing community service after physical violence towards public service providers. Courts are no longer allowed to issue these sentences in case of extreme violence and vice crimes. The punishment for these crimes will be an enforced prison sentence. But…

Education

What do you build with when trees are scarce and winters are brutal? For hunter-gatherers living in current-day Ukraine some 18,000 years ago, the answer was simple: mammoth bones.

The master’s programme 'Jeugdrecht' (Child Law) at Leiden Law School has been awarded the gold medal by EW Beste Studies. It is the only degree programme at Leiden University to have earned this top award. Professor Mariëlle Bruning says, 'it’s the best compliment you could ever get in your career'.

Aline Vidotto has been appointed professor of Stellar and Planetary Astrophysics at the Observatory from 1 February. Vidotto has been with the university for 3.5 years and for her, the appointment is ‘a milestone in her career.’

Europe is expected to experience a greater frequency of severe floods. Paul Hudson discusses the challenges of flood management The Conversation.