Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Wil jij meer te weten komen over wetenschappelijke onderwerpen op een gemakkelijke manier? Beluister dan deze podcast. In elke aflevering beantwoorden we samen met een wetenschapper jouw prangende wetenschapsvragen!

The position of writing within the domain of artistic academic research is not self-evident. In academia, standard practice is to use writing for the transfer of knowledge: it is a means of communication. In the practice of (nonlinguistic) artistic research, the outcome is also often contextualized…

Promotor: Prof.dr. J. Schaye, Co-promotor: Marcello Cacciato

In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

Combine the analytical tools of the Political Science discipline with an in-depth study of current politics in the Netherlands.

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

In this project, we seek to assess, map and understand the risk factors associated with fatal domestic violence.

Why did 'character', 'habit', and 'virtue' serve as key terms in late 19th and early 20th-century scholarly correspondences, biographies, and obituaries? Why did scholars around 1900 display so much interest in the working habits and character traits of what they called the 'scholarly self'?

In this project, we use social network analysis to analyze the behavior of users in online forums and associated marketplaces over time.

Until 2019, LUCIS organised an annual conference to highlight state-of-the-art research on a central theme within the academic study of Islam and society. Researchers from around the globe convened in Leiden to share and discuss their work.

Which features characterize speakers’ voices, and how are these features determined by what a speaker is saying?

Acta Politica is the official journal of the Dutch Political Science Association.

On the 26th of February, Joane de Lima Santiago successfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Joane on this achievement.

Subproject of

For Humans of Psychology, students and staff will be put into the spotlight. At our institute prizes are won, exiting research is conducted, knowledge is harnessed, public meeting are organised and open science is highlighted. Take a look behind the scenes.

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…

Are terrorist suspects willing to reintegrate back into society? Can they reintegrate?

How can teachers be motivated by their students’ data in making stepwise changes to their teaching practices?

What we did this year? Well, we ran for charity, moved a 2,000 kilo electron microscope and ate poffertjes in the garden. Oh yes, and together mapped out a strategy for the next five years. Warm up the fingers and get ready to scroll through the year of Leiden Science in 2023.

Other COI publications can be found on Leiden Law Blog, the Leiden Law Methods Portal, and in the drop-down tabs below.

This project aims to analyze and increase student motivation and achievement during the first three years of secondary school with an intervention that focuses on development of students’ talents.

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

The institute hosts criminal lawyers and criminologists who engage in high-quality scientific research that is also relevant for society.

Professional learning communities are useful for professionalization but also for the development of induction programmes. In this project, we combine these two worlds into a professional learning communities in which mentors or novice teachers learn about mentoring and at the same time develop an induction…

Below you will find a collection of books, other than those in the BLRN book series, to which members of BLRN have contributed.

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

The 20th anniversary of the Lorentz Center will be celebrated on 28 June 2017 with the opening of an exhibition in the Oude UB. For two decades already, the Center has been a place of retreat for groups of international academics who want to explore a single issue.

This event is in Dutch. De Verenigde Naties hebben 11 februari uitgeroepen tot International Day of Women & Girls in Science. De Universiteit Leiden viert deze dag met een open publieksevenement met vrouwelijke topwetenschappers van haar bètafaculteit. Iedereen is welkom vanaf 13:30 uur in het Kamerlingh…

Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. In her inaugural lecture on 16 November, professor of Ecotoxicology Martina Vijver gives a warning for the risks of new, man-made chemical substances and nanomaterials. Various media payed…

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

In 2023, many of our students and staff won great prizes and secured important research grants.

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…

After four years of hard work, the time has finally come: your thesis is finished. But who of your family and friends will ever read it? Biologist Lizah van der Aart decided to make a magazine for layman. 'It was precisely the explanation of the difficult, fundamental parts that gave me good tools for…

Eveline Crone, professor of neurocognitive developmental psychology at Leiden University, has been awarded the Dr Hendrik Muller Prize for Behavioural and Social Sciences by KNAW.

This project investigates the causes of the major archaeological change in the period of 40.000-20.000 BC in South Africa.

We study how communication can heal and harm when patients are confronted with an illness. Most of our studies focus on serious illnesses such as advanced cancer. Communication lies at the heart of medicine, yet we do not always know which specific communication helps patients. Moreover, many complaints…

Jacques J. M. van Gent (8 June 1932 - 26 March 2021) was director of Leiden University Library from 1983 to 1993. He was librarian in a time of transition and, as director, was able to benefit from the new library building on the Witte Singel. Van Gent was a very different kind of manager from his predecessor,…

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

Tim Koopmans is one of the great minds in the history of Dutch and European legal scholarship. He taught law as a professor in Leiden and other universities, among which Ghent, Cambridge, Utrecht. He practiced it as a judge in the European Court of Justice and Advocate-General in the Dutch Supreme Court,…

This research project is funded by a subsidy from Instituut Gak.

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Fifteen knowledge institutions and the Ministry of Education, Culture and Science have signed the covenant for Open Science NL. Leiden University has also joined the covenant, via the Universities of the Netherlands. This marks the start of the Dutch Research Council’s and brings the transition to open…

Dr Ionica Smeets, one of the well-known ‘Maths girls’, has been appointed part-time Professor of Science Communication at Leiden University with effect from 1 July. Over the coming five years she will carry out research on science communication, how the subject is taught and how to raise students’ enthusiasm…

PhD defence

PhD defence