After every attack, terrorism researchers are often asked the same question: who did it? Jeanine de Roy van Zuijdewijn, a researcher at Leiden University, doesn’t always have a ready-made answer.

Increasingly, crime and immigration are mentioned in one breath. This 'interweaving' of these terms is referred to as crimmigration, an expression mainly used in legal science. But what does crimmigration actually entail in practice? Defence on 8 January 2020.

Andrea Evers, Professor of Health Psychology at Leiden University, has won the Stevin Prize – alongside the Spinoza Prize, the highest scientific award in the Netherlands. She is the third social scientist from Leiden in a row to win one of these prizes. ‘Leiden attracts freethinkers.’

Moderne oorlogsvoering kent geen grenzen. Dreigingen zijn steeds vaker digitaal. Promovendus Annelies van Vark stelt dat Scandinavië beter voorbereid is op gevaar. Zij pleit voor een sterkere rol van de krijgsmacht, herinvoering van de dienstplicht en paraatheid – óók bij burgers.

In this blog post Saskia Postema and Jan Melissen claim that Chinese UN celebrities’ activism under Xi Jinping has become aligned with the Chinese leadership’s ambitions.

Governments have increasing amounts of data at their disposal. How can big data be used in policymaking? And are governments ready to deal with all this data? That is what Sarah Giest, Assistant Professor at the Institute of Public Administration, is interested in.

The world’s prosperity and well-being are seriously being threatened by the degradation of land and nature. Although there are opportunities to turn things around, fears of further deterioration in the coming decades must not be taken lightly. That is concluded at the Intergovernmental Science-Policy…

The outbreak of coronavirus has radically changed our life and work. We have had to work, teach and conduct research from home. How has coronavirus changed your work? What do you miss most? And what is keeping you going? We asked a few colleagues.

Lotte van Dillen has every confidence in the Executive Board of new-style Institute Psychology. ‘If we work on the basis of everyone’s good intentions, we’re going to do great.’ If you lack confidence, you’re not the kind of person to jump on your bike and go off to Sicily. Want to find out more about…

Historic and iconic yet expensive and cold. It’s with mixed feelings that the university is leaving the Gravensteen building, which dates back to the 12th century. How was it to work and study in this former Leiden prison?

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

In 2017, in an ordinary field, two brothers from Brabant discovered more than 100 ancient coins. The Leiden historian who examined the coins concluded that they constituted a genuine Roman treasure. Here follows a reconstruction in three acts.

How were ideas about politics and society distributed in ancient China? Hilde De Weerdt, Professor of Chinese History, investigates this using new digital methods. We speak with her about networks, big data and digital humanities.

The Leiden University College (LUC) education team behind The Learning Mindset (TLM) has received 800,000 euro’s during the Dutch Higher Education Award Ceremony 2022. The LUC team was second behind Universteit Twente. The prize was awarded during the annual Comenius Festival of the Comenius Network.…

On March 25, the Advanced Masters of Science in International Relations and Diplomacy (MIRD) celebrated the 20th Anniversary of the programme. The celebrations began with the Reconnect event, bringing current students and alumni together, and concluded with the MIRD Gala. Throughout the day, the tight-knit…

The new academic year is on its way and for most students it takes some getting used to being present at the KOG every day. What about international students? We spoke with three internationals who have been studying at Leiden Law School since this academic year.

‘Our faculty is a very international community. And that is something everybody really benefit from,’ says Yun Tian. As the officer internationalisation, she is the bridge between international students and staff, the faculty and universities abroad. ‘Science goes beyond countries and carries no nationality.…

After a big two-day conference, the Growing Up Together in Society consortium has officially begun. Researchers from seven universities will spend the next decade looking at how young people grow up as engaged and resilient adults. Leiden psychologists explain how they will do so.

Comparing gazes between Turin and other cities in the global north.

It is 30 years ago this month that the UN Convention on the Rights of the Child was ratified. UNICEF is celebrating this on 20 November in collaboration with Leiden University and the Municipality of Leiden at the (Y)our Rights Festival in Leiden. Children, youths and adults will discuss children’s…

Ambroise Paré, Thomas Sydenham and Herman Boerhaave: all were great medical innovators in their time. We know far less about the 19th-century Russian physician and scientist Nikolay Ivanovich Pirogov. PhD candidate Inge Hendriks researched him in Dutch and Russian archives and collections. She discovered…

She studied Korean and Asian Studies and, four years after graduating, is now working as a specialist for an ICT secondment company. This is the story of Lisette Atsma’s career (27).

From Wednesday 13 July 2022, for four days, Leiden is at the epicentre of European science, as it hosts Europe's largest interdisciplinary conference, the EuroScience Open Forum (ESOF). We interviewed Marja Spierenburg, Professor in the Anthropology of Sustainability and Livelihood. In addition to being…

Simona Vezzoli is one of two research officers at the new Leiden-Delft-Erasmus Research Centre Governance of Migration and Diversity. Based at the Leiden Institute for History, Vezzoli is a migration researcher as well as the centre’s new ‘matchmaker’ between researchers of the three universities and…

The 'Intelligent Lockdown' has lasted over a month now, which makes experimental physics research hard to do, if not downright impossible. Even so, work is continuing. Five Leiden physicists tell us about it.

What do ten-year-old children and chatbots have in common? PhD researcher Bram van Dijk studied language development in both children and AI language models. ‘It’s actually quite practical that we attribute human traits to a chatbot.’

Every year, an outstanding lecturer receives the Faculty Teaching Prize. Lecturers are nominated by students, and a jury – comprising students and lecturers – decides who will receive the prize. The prize will be awarded during the official opening of the academic year on 7 September. Meet this year’s…

Computer scientist Bas van Stein conducted research at Tata Steel and BMW on how their production processes could be streamlined and optimised on the basis of data. As part of his research he developed some innovative products. PhD defence 20 September.

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Jantien Hadders (50), head of Education and Research Policy at FGGA, lost the love of her life and, to her great sadness, did not become a mother. It was precisely by being able to share her loss in the workplace that she slowly regained trust in herself.

Anke Klein and her team have devised a fun and useful app to help anxious children. In the app, children can upload a video of themselves showing, for example, something that went well for them and share their success with parents, granny or grandad. Developmental psychologist Klein talks about the…

The new government needs to look further ahead, says environmental scientist Rutger Hoekstra. ‘We keep pushing forward big dossiers like demographic ageing, climate and migration. Even though we know they play a big role in our future.’ Hoekstra therefore hopes that the new coalition agreement will…

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

The travel ban and closed borders have had a big impact on our students and staff. Some are stranded abroad, while others are stranded here in the Netherlands. Others again have returned early to their home country. Three personal stories from Wuhan, Leiden and The Hague.

Rotterdam is one of the cities participating to the Edible Cities Network (EdiCitiNet), an international cooperation of municipalities that aim to increase the ‘edibility’ of urban spaces. In this blog, Vincent will describe his experiences at one of their recent workshops.

Computer says no: end of story. Twenty years ago, a hilarious line in the British TV series Little Britain, now a reality. We all blindly follow technology at times, with varying consequences. For ISGA lecturer and researcher Daan Weggemans, it's a subject worthy of a PhD.

How does ICT affect society? Mirjam van Reisen, professor Computing for Society at the Leiden Centre of Data Science, is intrigued by this question. We speak with her about innovation, changes in health care, and mobile human trafficking. ‘Innovation has many benefits, but it can also be very disrup…

‘What I find most alluring about soil life is that you can steer it,’ researcher Martijn Bezemer of the Institute Biology Leiden (IBL) reveals. ‘You can ask: What do you want? And then I can transform the soil into something you need. At least, that is what we thought.’

Exercising less, skipping parties and struggling at work: the expectation of chronic pain and itching can lead to avoidance behaviour. But this is by no means the case for everyone with chronic pain, as PhD candidate Gita Nadinda discovered. What does this mean for healthcare?

10 October is the Day of Sustainability. What is the current status of sustainability at Leiden University? Things are moving ahead. Professor of Environmental Biology and Dean of the Faculty of Science, Geert de Snoo, outlines a new prospect: biodiversity.

“Very French and very impressive.” Those are the words drs. Isabelle van de Calseyde used to describe the reception at the French embassy residence in The Hague on 2 June 2015. There, she and dr. Sjef Houppermans were presented with an distinction for their remarkable services to the French language…

An e-coaching programme helps people with chronic kidney disease, particularly in areas that patients themselves want to work on. ‘A healthy lifestyle is important for patients with kidney disease: it can slow down the loss of kidney function and there will be fewer complications,’ Katja Cardol explains…

‘I could hardly believe my ears when I heard that we had been awarded the Gravitation grant,’ says Berna Güroğlu, professor of the Neuroscience of Social Relations. This grant is awarded by the state, via NWO, to pioneering scientific top research. In terms of grants, this really is something special,…

For centuries, astronomers have studied the universe by collecting light signals. Since 2015, the confirmation of an important prediction of Einstein allows us to explore the universe in a new way: through gravitational wave radiation. Astronomy PhD candidate Valeriya Korol proposes to use these gravitational…

Four thousand visitors immersed themselves in art and science during Leiden's Night of Art and Science on 17 September. They could choose from dozens of lectures, experiments, interactive events and a lot of art.

The brain structure of young people with conduct disorder differs significantly from that of their typically developing peers. This is the conclusion of an international study that analysed more than two thousand MRI scans, recently published in The Lancet Psychiatry. Dr Moji Aghajani, one of the principal…

Alumna Jolien Schukking has been working as a judge at the European Court of Human Rights in Strasbourg since 2017. In this special role, she provides legal protection at an international level in major cases and concerning various topics. What is her job like and what motivates her?

Having a bachelor, master and Ph.D in chemistry, Elena Sánchez López shifted to a more biological research for her postdoc. All of her studies she did at the University of Alcala, in Spain. Way back in medieval times, this city was the place of birth of Miguel de Cervantes, author of the world famous…

The municipality of Leiden aims for circular construction, but how do you reconcile that with the growing demand for housing? For the Kennisatelier Duurzaamheid, master's students from Industrial Ecology are investigating whether the municipality can build enough houses up to 2030 and still use half…

“Neighborhood solidarity cannot compensate the absence of the State: a response from the local administration is needed”