From Monday 19 July onwards, eighteen children between the ages of 10 and 12 are learning the programming language Hedy. In the Snellius building of Leiden University they will be taught the first principles of programming this week.

From 24 to 28 June the 7th edition of Leiden University’s annual Frontiers of Children’s Rights Summer School took place in Leiden and The Hague.

From 16 to 18 August, 30 participants from 18 different countries gathered online to participate in the Online Summer Programme: Preventing, Detecting and Responding to Violent Extremism, organised by Leiden University’s Centre for Professional Learning (CPL) together with the International Centre for…

On 13 May 2025, Melanie Fink presented her latest research on the role of the duty to reason and other explanation rights to safeguard human dignity in the automated state at the AI & Law Summer School hosted by the University of Tübingen.

LUCIS publishes two peer-reviewed book series, “Leiden Studies in Islam and Society” (Brill) and “Debates on Islam and Society” (Leiden University Press).

The Europaeum is a network of 17 leading European universities, whose aim is to bring together talented students and teachers and to promote a 'European feeling' through cooperation and academic mobility.

Apply now for the LUCIS Summer School on Philology and Manuscripts from the Muslim world, which will take place from Tuesday 15 August until Friday 25 August 2017 in Leiden. The deadline for applications is Friday 16 June 2017.

Carlotta Rigotti, Postdoc researcher at eLaw, and Eduard Fosch-Villaronga, Associate Professor at eLaw, delivered a lecture on AI and non-discrimination, engaging students with the Debiaser demo.

Eastern and Southern European countries struggle with ‘brain drain’ as skilled workers move to other EU Member States. Could restricting free movement be a legitimate and lawful way to address this trend? Researcher Martijn van den Brink will investigate the issue.

It’s about much more than learning how to write a readable piece or give a presentation that doesn’t send the audience to sleep. The intensive Science Communication Summer School gives young scientists the chance to really make contact with the public.

Organised by the Common Law Society of Charles University, Prague, the summer school takes place during two weeks in July at the University’s mountain house 'Patejdlova bouda'.

To investigate the effectiveness of an online self-help programme for people with HIV and depressive symptoms.

Going to school during the summer holidays? Some of our students accepted the challenge. And they didn’t do that just around the corner. During their holidays, students bio pharmaceutical sciences and computer science visited special summer schools in China. ‘China is a global player that we should…

Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.

In April, the Honours Class 'Law, Power and Inequality: Global Perspectives’ will start. Professor of Law & Society Maartje van der Woude has developed and coordinates this unique class which is innovative both in content and collaboration as in design.

Dr. Vicky Kosta (Europa Institute, Leiden University), together with Professor Niamh Nic Shuibhne (University of Edinburgh), provided a course on “Cultural Diversity and European Law” at the EUI’s Academy of European Law two-week summer course in June 2023.

Intensive 5-day programme on the world-famous Antwerp-based printing and publishing house founded by Christopher Plantin in 1555. International experts will discuss how it developed the production and distribution of religious books and related illustrations and prints in the following centuries.

What causes depression in a child and how can they get over it? Leiden Professor of Psychology Bernet Elzinga and behavioural scientist Carine Kielstra recently hosted a webinar on the subject of depression in teenagers. The level of interest was overwhelming.

This thesis presents pioneering work on the panchromatic emission of some of the most luminous galaxies in the early Universe: star forming galaxies and active galactic nuclei.

During the Summer School, held at Leiden Law School in Leiden and the Hague, the participants were offered a wealth of lectures and workshops on international and regional children’s rights issues affecting children, families and communities.

International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

‘I would never want to be treated by a computer,’ says Boudewijn Lelieveldt, Head of Radiology at the Laboratory for Clinical and Experimental Image Processing and Medical Delta professor in the Bioinformatics group at Delft University of Technology. No matter how intelligent a system, we have to continue…

Through the clever use of two types of telescopes, a team of researchers has produced stunning images of clusters of galaxies. This not only produces beautiful images, but also provides more information about the enormous amounts of energy released around supermassive black holes in clusters. The astronomers,…

‘Walking around in a new environment activates our brain’s learning centre. This allows us to learn better, even once we’ve returned to a familiar environment.’ This is the conclusion drawn by neuroscientist Judith Schomaker in her recent publication in Neurobiology of Learning and Memory.

The Leiden Summerschool in Languages and Linguistics, including courses in Papyrology, is now open. BA/MA/PhD students are welcome to attend.

Two research projects focused on democracy and citizen collectives have been awarded grants through the 2024 round of the National Science Agenda’s (NWA) ‘Onderzoek op Routes door Consortia (ORC)’. Each project will receive around €6.8 million to get started immediately.

For the first time, we’re seeing what Euclid sees. The telescope’s initial observations have provided a wealth of new information about our universe. But according to cosmologist Alessandra Silvestri, this is just the beginning. The research helps us gain a deeper understanding of the past, present,…

On 13 June, Jorrit Rijpma spoke on migration and border control at sea at the Summer School “Open Sea on Migrations, Sea Border Control and Human Rights” organized by the Jean Monnet Centre of Excellence on Migrants’ Rights in the Mediterranean based at the University of Naples (“Orientale”).

When galaxies collide, do the black holes at their centre form a supersized black hole? This is what we think happens, but it's not as simple as that, according to Simon Portegies Zwart. Zwart, computer scientist and astronomer, has been awarded a VICI grant to research this phenomenon.

This thesis is a (biased) journey through very different topics in astrophysics: quasars and new populations of active galactic nuclei, gravitational waves from merging black holes, and protoplanetary discs around young stars.

For optimization problems, it is often unclear how to choose the most appropriate optimization algorithm. As such, rigorous benchmarking practices are critical to ensure we can gain as much insight into the strengths and weaknesses of these types of algorithms.

Now and then we organise book launches to present the latest publications, both academic and popular, in our broad field.

During the Faculty of Archaeology’s 2018 Field School excavation, in Leiden, two Early Medieval burials were encountered, as well as some house plans. One of the burials was found by Beatriz, an international student from Mexico. “When I found the pelvis bone it was clear that I had found a human sk…

Students from eLaw completed a successful work experience programme researching contact tracing apps at Privacy Company in The Hague.

The project examines the political conflict in the Red River Valley of Louisiana between the majority-black Republican Party and the overwhelmingly white Democratic Party by studying the composition and actions of each party.

The first photo of a black hole and measuring anxiety in the brain... From 13 until 22 May we're serving a free slice of science with your pizza.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Humanities with Anton de Kom University in Suriname.

Serge Rombouts is a physicist whose PhD thesis was about functional MRI (fMRI). This visualises activity in regions of the brain. The appealing images of glowing brain regions that emerge from the computer are the result of calculations. According to Rombouts, this isn’t proper artificial intelligence.…

Arts and culture

In June 2016, Dr. Ann Brysbaert and her SETinSTONE team were invited to participate in the fieldwork training season on Salamis island in Greece.

Latin America has seen multiple waves of regional integration, with various levels of success. The last wave foundered after the rise of nationalist politicians. But new developments require a reconsideration, including a number of new, more collaborative-minded presidents coming to power and urgent…

What does the Dutch Ministry of Defence do to fight climate change? And what is Alumna Charlotte van Gemeren’s Role in this? We spoke with Charlotte (class of 2016) and asked her about what’s it like to do a traineeship for the Dutch Government (and how to get in), the lessons learned at International…

Dutch agents, military personnel, prosecution personnel and diplomats in Ukraine have been spied on by intelligence services from Ukraine and Russia after the MH17 disaster. Reliable sources reported this to RTL Nieuws. The espionage by Ukraine is very sensitive, because it is highly unusual that espionage…

On 18 June 2019, Neta Palkovitz Menashy defended her thesis 'Regulating a Revolution: Small Satellites and the Law of Outer Space'. The doctoral research was supervised by Prof. dr. P.M.J. Mendes de Leon and Prof. dr. G. Molier.

In the South African context, certain iconic images have been a dominant source for public understandings of historical events. The emphasis given these images tends to overshadow the historical value of other more personal photographic sources – like studio or amateur photography. This project looks…