By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

ASTRON en de Universiteit Leiden beginnen samen een nieuwe leerstoel over sterrenkunde en AI. Bijzonder hoogleraar Joeri van Leeuwen gaat deze positie vullen.

And the construction has started! Students of the Leiden Science study associations ceremoniously hammered down the first poles of the new Gorlaeus on Tuesday morning. By doing so, they initiated the second phase of the construction of the second part of the new building.

After an intensive tender procedure, Leiden University and the Municipality of Oegstgeest have chosen Dura Vermeer for a new housing development with plenty of affordable homes in Nieuw Rhijngeest-Zuid. Dura Vermeer seeks to create a green and playful neighbourhood with welcoming public spaces as its…

As Head of Academic Affairs, Pieter Schipper is the dean's right-hand man. It was therefore Jasper Knoester who asked Pieter to join the core group: a group of colleagues from all parts of the faculty that shapes the strategy process. 'I really enjoy playing a role in this,' says Schipper. 'It's a great…

When a spot in the core group of the Strategy Team became available, she immediately applied for the position. Because as Head of HR, Elice Schöne feels it is important that her department is well connected to the strategic plan.

LUC The Hague is recognised as a national Top Programme, reflecting a vibrant learning community where curiosity, academic excellence and global engagement come together.

Leiden University has adopted its first Strategic Publication Framework for publishing the works of its researchers. With this framework our university takes another major step towards making open science the norm and setting Academia in Motion.

Conference, 2-day Workshop

PhD defence

Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.

Season 2 of the Leiden Psychology podcast has started, and we're kicking it off with a special Q&A featuring our new hosts Aziza and Priya. In this episode you are offered a chance to get to know them better.

Conference

What is freedom worth in times of hunger? ‘Beleg’ is a modern interpretation of Lucretia van Merken’s 1774 play. With five performances in Leiden’s Schouwburg theatre, the play is a prominent part of the Relief of Leiden celebrations, and Leiden alumni are playing a big role. Take a look behind the…

Festival

People suffer from anxiety wait on average twelve years before seeking professional help. That’s a pity and it’s unnecessary, says development psychologist Leonie Vreeke. She is therefore developing prevention programmes where parents learn to react in a helpful way to anxious behaviour on the part…

Knowledge institutions play a unique role in society and can contribute to a future-proof and sustainable world. That’s why Leiden University has signed the ‘Think green, act green’ manifesto. The manifesto is the initiative of The Young Academy and The Green Young Academy, who are calling on universities…

As every academic year, the leadership team of the Young Academy Leiden (YAL) is changing. Sarah Giest, Assistant Professor at the Institute of Public Administration, will be the new Vice-Chair. Annemarie Samuels, Asssociate Professor at Social Sciences, will be the new Chair. The Young Academy Leiden…

How can the people of Leiden age as well as possible? And what is needed to reduce health disparities? That is the mission of Leiden Healthy Society Center, a new partnership between the Municipality of Leiden, Leiden University and many other partners in the city.

On Friday 11 March (16.00 hrs.) Minister Dijkgraaf (Education, Culture and Science) will give a speech at Leiden University entitled ‘When knowledge becomes critical’. In the speech, he will address several critical challenges in science and society. The livestream will be open to all.

How does astronomy benefit you? The new single-episode podcast Cosmic Perspectives explores the impact of Dutch astronomy on society: from building positive international relationships to the transfer of life-changing technology.

A useful hands-on guide to preprints is now available for researchers. It provides anwers to some urgent questions. What are preprints? What are the advantages and disadvantages to posting preprints? What are the implications for (my) research?

In his new book 'Flooding and Management of Large Fluvial Lowlands', Paul Hudson Associate Professor of Physical Geography at Leiden University College in The Hague, examines human impacts on lowlands rivers. The past twenty years the pressure on large fluvial lowlands has increased tremendously because…

Juan Masullo (Leiden University Institute of Political Science) receives a grant from the Elise Mathilde Fund/Leiden University Fund to conduct his research project ‘Forging an Anti-Mafia Culture: Observational and Experimental Evidence from Italy’. Masullo aims to find out what ordinary Italians think…

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

A new chair has been added to the partnership between Leiden University and the Royal Conservatoire The Hague. Richard Barrett has been appointed Professor of Research in Creative Music (ACPA) as of 1 December 2020. 'For me it is important that music and academia are not placed in an ivory tower.'

Two researchers from the Institute of Political Science were recently awarded prizes. Claire Vergerio received the Francesco Guicciardini Prize for her book on the historical origins of the primacy of the state in international law ('best book in the historical international relations category'). In…

Katharina Natter of the Institute of Political Science has been awarded the 2025 IMR Book Review Award for her book on migration politics in Morocco and Tunisia.

Medewerkers van de Universiteit Leiden trappen maandag 10 maart de estafettestaking af van de Nederlandse universiteiten tegen de kabinetsbezuinigingen.

A strategic plan that resonates with employees. That's how Maaike Barkema describes her work as strategic secretary. Her task? Ensuring that the strategic plan is actually put into practice. 'My work is like a puzzle: I bring the right people together and make sure all the pieces fall into place.'

What is the mission of our Faculty? How do we view diversity and inclusion? And how do we think about the growth of our Faculty in the broadest sense of the word? These themes were the focus of the first brainstorming session for the new faculty strategy. Some 65 staff and students from all levels of…

The city of Leiden has a unique combination of knowledge institutions. To ensure this knowledge flourishes and the city gains the maximum benefit from it, the Leiden City of Knowledge partnership was launched five years ago. A new partnership agreement will be signed on 11 November.

On Wednesday 6 July 2022 Leiden University College The Hague (LUC) celebrated the graduation of the Class of 2022. The 170 students received their Bachelor of Arts or Bachelor of Science degree’s in LUC’s interdisciplinary honours programme Liberal Arts & Sciences: Global Challenges.

An open academic culture, where quality beats quantity, where science and society are closely linked and where we recognise and reward everyone’s contribution is the aim of the university-wide Academia in Motion (AiM) programme.

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

On June 16, 2025, the Institute of Political Science at Leiden University hosted a panel debate about the ongoing mass student-led protests in Serbia. The protests have shaken the increasingly illiberal regime in Serbia to its core and have grown into the largest student protests in Europe since 196…

We are pleased to invite paper proposals for the 1.5-day interdisciplinary workshop: “Who rules over migrants? Autocratic elements in migration policies”, that will take place at the University of Leiden on 14 and 15 November 2024.

When we talk about the Kingdom of the Netherlands, it is not just about the Netherlands. On the contrary: our Kingdom consists of no less than four countries, three of which are Caribbean islands. This structure is complex, to say the least. Although all countries are officially equivalent, in practice…

Lecture

Lecture

Confetti, stilt walkers and the new Einstein Fountain. On Monday, 2 September, the Gorlaeus Building of the Faculty of Science was festively opened. Together with Constantijn van Oranje, our students cut the ribbon. Dean Jasper Knoester: ‘The building is ready, now it is up to our students and researchers…

Video conferencing from your sitting room and algorithms on social media that know your interests: new technology is an increasingly integral part of our lives. At the same time there is a growing call to protect our privacy, and this is causing friction, at the University too. In part because of the…