The research question is that unconscious perseverative cognition (UPC) is responsible for a considerable part of cardiovascular (CV) activity that occurs even in the absence of threats and other stressors that one may encounter in one’s daily life.

How do insurance products transform intimate and personal relations? What are the consequences of the classifications that insurance companies use and how do these affect solidarity, morality and inequality?

Leiden has much to celebrate: first, 450 years of the Relief of Leiden and then 450 years of Leiden University. And that is no coincidence.

Leiden University has had a campus in The Hague for over 20 years and sees the city as its second hometown.

The We Are Science Week, inspiring lectures, and enjoyable gatherings. This year, we frequently came together to inspire and connect with one another. Our biggest event took place at the start of the academic year in September: the official opening of our new Gorlaeus building.

Can dynamic testing provide us with insight in children’s potential for learning?

SAILS likes to occasionally organise workshops about topics that relate to our programme. On this page you can find more information about previous workshops.

Using artificial intelligence is more complicated for the government than for companies. Bram Klievink, Professor of Public Administration, aims to identify the problems and find solutions.

In autoimmune diseases such as rheumatism and diabetes the immune system attacks autologous proteins. Leiden researchers are trying to discover how this comes about.

What is the size and composition of the Dutch urban mine? How will the urban mine develop over time, and how can it be used as a source of materials as part of a circular economy?

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

Timo Kos has been appointed Vice President of Leiden University’s Executive Board and will take up the role on 1 March 2025. He succeeds Martijn Ridderbos, who will join the board of the Netherlands Authority for Consumers and Markets (ACM) on 1 January 2025.

The more than 370 sensors that have been hung up in Leiden University buildings to count the people present will not be switched on again. The equipment will eventually be removed from the buildings.

Mathematician Hester Bijl will be appointed Vice-Rector Magnificus and member of the Executive Board of Leiden University with effect from 1 November 2016. She succeeds Simone Buitendijk.

On Thursday 12 June 2013 , Radosław Sikorski, Minister of Foreign Affairs of Poland, gave the first Europa lecture entitled: 'Poland, the Netherlands and the European Union - Common Challenges'.

Leiden University no longer wishes to collaborate with fossil fuel partners that are not demonstrably committed to achieving the Paris Agreement targets. Exceptions will be made only if a collaboration demonstrably contributes to the energy transition. This proposal by the Executive Board was discussed…

Leiden University's 2017 annual report has now been published. This year for the first time the University has also published a separate sustainability report. Leiden University is the first university to produce a separate report on the progress of its sustainability policies.

For the first time, Leiden University has made it to the top 10 of the UI Green Metric, a global sustainability ranking for universities. Of the 780 participating universities, Leiden has taken seventh place.

On 14 September the construction of the Spui university building officially began.

After more than five years, Professor Armin Cuyvers has handed over the position of Programme Director for the master’s programmes in Law to Marije Schneider, who started on 1 January 2024. Her vision, drive and experience mean she is well placed to fulfil the role.

Dutch doctors hold social media platform Snapchat responsible for the illegal sale of vapes, and are threatening legal action. Bart Schermer, Professor of Law and Digital Technology, spoke to RTL news: 'Snapchat is not liable for the content of its users'.

As of March 16 two PhD candidates have started their work on the project Empirical Legal Studies as part of the sector plan for Law.

Leiden University is going to partner with the Asian Development Bank, a bank committed to regional development. President of the Executive Board Annetje Ottow signed a memorandum of understanding on this unique partnership in Manila on 27 April.

In recent years, artificial intelligence has deeply permeated our society and the legal field is no exception. Bart Custers, Professor of Law and Data Science, spoke to ‘Mr. Online’ about AI and the law: ‘AI is currently a hype.’

On 21 April 2022, Cleveringa Professor Jan Grabowski visited Leiden. The theme of his visit was the role of law and historiography in shaping collective memories.

A new document casts doubt on the Dutch Public Prosecution Service’s role in the large-scale Sky ECC encryption bust, previously attributed to France. Bart Schermer, Professor of Law and Digital Technology, commented in ‘de Volkskrant’ newspaper.

The use of virtual girl Sweetie, used by the police to investigate pedofiles, is problematic in the Netherlands. Researchers of Leiden University and Tilburg University conclude that this is due to the criminal law applicable at the moment.

On May 22 eLaw's researcher Helena Ursic spoke at the international conference

The Dutch police force has been deliberately storing personal data relating to millions of Dutch people for many years now. In doing so, the institution has been knowingly breaking the law. Bart Schermer, Professor of Law and Digital Technology expressed his concerns on Follow the Money – a platform…

Leiden University will set up further activities with the Asian Development Bank (ADB).

Han de Winde will step down as a member of the faculty board of the Faculty of Science from 1 September 2018. De Winde had been vice–dean at the faculty since 2013. As director of education he was responsible for the bachelor's and master's programmes at the faculty.

Tech company Eyeball collects images and data on young amateur football players on a large scale. But is this allowed? Bart Custers, Professor of Law and Data Science, and Gerrit-Jan Zwenne, Professor of Law and Digital Technologies, comment on the issue in ‘NRC’ newspaper.

The new Asian Library in the centre of Leiden accommodates the dispersed Asian collection of Leiden University. The festive opening of the Asian Library was marked by the Tour of Asia, an exciting knowledge festival, with workshops, talks and film screenings. Leiden anthropologists that work on Asia…

In his leaving interview, Martijn Ridderbos doesn’t have to think long when asked what he is most proud of. ‘Bringing people together; creating things together. Reducing the gap between researchers and the staff who support them because the latter are essential. We’ve achieved that and the seeds have…

Research and education at the intersection of law and technology is more important than ever. With its 40 years of experience, the eLaw department, founded in 1985, is ready for the future. Time to reflect on four decades of innovation.

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

‘Collaboration is increasingly important,’ Rector Magnificus Carel Stolker said at the 445th Dies Natalis of Leiden University on 7 February. But, as he heard from a number of Leiden researchers, this is contingent upon a firm disciplinary basis. A novelty of this year’s celebration was a joint dies…

The theme of the opening of this year’s academic year was peace and justice. With the climate crisis and the war in Ukraine, these are turbulent times. During the ceremony those present reflected on what the academic community and universities can mean in times of crisis and conflict.

Investigation services and cyber criminals both make grateful use of the opportunities offered by digital technologies. Both groups' use of these services leads to breaches of privacy for citizens. The current legislation falls short in providing protective measures, is the conclusion reached by Professor…

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

Eduard Fosch-Villaronga, Hadassah Drukarch and Bart Custers from eLaw - Center for Law and Digital Technologies, explore together with Pranav Khanna, eLaw alumnus, the influence of automation on human–robot interaction and responsibility in surgery innovation.

Just a few years ago, jihadist terrorism was seen as Europe’s most pressing threat. Today, we are facing hybrid warfare and extremist groups that are undermining our safety from within. Bart Schuurman, Professor of Terrorism and Political Violence, calls for a different kind of research.

Connecting, discussing success stories and taking the next steps with all the sector plans offer, that is what the Meet & Greet on the sector plans was all about. On June 2nd, nearly 20 assistant professors from FGGA and FSW, appointed under the sector plans, came together to connect with the wider…

Technology holds so much promise – from self-driving cars to enhanced physical performance from smart implants under the skin. But we should not let ourselves be caught off guard. That is the message of Bart Custers, Professor of Law and Data Science in his inaugural lecture on 21 May. ‘We don’t talk…

Every summer, Leiden University is the setting of dozens of summer schools in which professionals and students can receive extra training on a specific topic within a short space of time. We took a look at a summer programme on extremism. ‘A recruiter for al-Qaeda said that I could change the world.…

The current and future board of F.D.L. Gibalaux, the study association of the French language and culture programme, talk about the association, the change of board, their experiences and plans.

On Friday 10 December 2021, the Center for Law and Digital Technologies (eLaw) of the Leiden Law School, hosted its annual Research Colloquium exploring the theme 'Law Gone Digital'. The event gathered presentations by eLaw PhD candidates and professors on a wide range of topics at the interface of…

A research team from the Institute of Security and Global Affairs (ISGA) has received over 3 million euros in funding from the Knowledge Centre Surveillance and Protection, a partnership between the Dutch National Coordinator for Counterterrorism and Security, the Public Prosecution Office, the police,…

FactRank is a new online tool that automatically detects ‘checkable’ claims made by politicians in parliamentary debates or tweets, and therefore enables fact-checkers to work much faster. Alexander Pleijter, a researcher and lecturer in Journalism and New Media, helped develop FactRank.