A mega-dam around Europe is a possible solution as protection against rising sea levels. Whether that is really a good idea, was debated on by young professionals during the debate on the future of European coastal protection. 'A big dam may seem safe, but actually isn't,' argued debate winner Haye…

Marie Robin, Assistant Professor at the Institute of Security and Global Affairs, discusses in Le 1 Hebdo, Radio France and RFI how revenge, often condemned as destructive, can also reveal what societies consider just and shape pathways toward peace.

Facility, ICT

A rapid increase in the demand for construction sand is driving shortages and inequality around the world. Researchers from the Institute of Environmental Sciences at Leiden University have mapped the growing need for sand, as well as the bottlenecks and possible solutions. They have published their…

The university is committed to providing an accessible learning and working environment for students and staff. They should be able to feel at home at our faculty. That is why there is now an all-gender toilet in every humanities building to contribute to that feeling of recognition and safety.

In June 2023, it was already announced that the Faculty of Social and Behavioural Sciences will continue to use the Pieter de la Court building until at least 2035. This offers perspective, which is why various departments are working on a plan for works to improve comfort, appearance and sustainabi…

A festive opening with plenty of orange, a well-attended lecture by Ionica Smeets and an unforgettable party for staff and students. We celebrated the opening of the new building together. Join us as we look back on this exciting week of celebrations.

Looking for a great meal at a sustainable restaurant? Since Monday 2 September, you can visit restaurant De Schotel in the Lecture Hall Building. This renovated space offers a unique combination of comfortable study areas, a no-internet zone, and a wide selection of delicious food and drinks.

Facility

Facility

Facility

On Saturday 25 February, the Pieter de la Court Building opened its doors for many future students during the Bachelor Open Day. These potential social scientists could get a taste of the study programmes and the atmosphere of our Faculty during the presentation sessions, at the information market and…

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

Organisation

After many years of preparations, CERN has approved a groundbreaking new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. ‘We know there is physics that’s missing and we aim to find it.’

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

Discover insights and advice from Leiden scientists on bullying, how to stop and prevent it. Learn why people bully, how bullied children can get help and what it takes to create a safe environment. Find out how anti-bullying programmes work in schools and why bullying is a serious problem that needs…

The organ in the Academy Building is 25 years old. University organist Jan Verschuren and tuner Bert Crama talk about the long history of university organs, improvising with short cortèges and their love for this organ.

ICT, Organisation

Facility

Facility

On 20 November 2025, eLaw hosted the second capacity-building session of the BIAS project, coinciding with the city’s first snowfall of the year. The training brought together HR practitioners, scholars, consultants, and policymakers to discuss the opportunities and challenges of using AI systems in…

This page gives more information about what a crisis is, what consequences it has and which organisation will be activated if a crisis occurs.

The Municipality of The Hague, Leiden University and CBRE Investment Management (CBRE IM) will together try to realise a University building in the former Hudson’s Bay premises at Grote Marktstraat 48-50/Spui 3. This will facilitate the growth of Campus The Hague. A cooperation agreement was signed…

Getting young people excited about history is quite possible without books. Researchers from Leiden travelled to Morocco to work with schoolchildren on reconstructing cultural heritage in the popular video game Minecraft. The result: one virtual 14th-century city gate – and 20 teens with a greater appreciation…

It has already been a huge success in The Hague, and now the Lipsius building has one, too: an Acts of Kindness pillar. The official opening took place on Tuesday 20 September.

Ylva Klaassen has been reappointed for three years as Director of Teaching and Learning of LUCAS. Her second term begins on 1 October, which she will combine with her duties as institute manager.

Senior Researcher at the Institute of Security and Global Affairs and Associate Fellow of The Hague Program of Cyber Norms François Delerue was awarded the 2021 Book Prize of the European Society of International Law for his book Cyber Operations and International Law published by Cambridge University…

No more lectures and exams for the Radio Astronomy course taught by Michiel Brentjens. The corona crisis is a moment of reflection that has changed his whole way of teaching. Instead of being in front of the class, he lets his students build a radio telescope with paint cans.

Organisation

The United Nations has declared May 22 the International Day for Biological Diversity. A moment of global reflection on everything on Earth and its indispensability. Anthropologist Marja Spierenburg stresses the importance of the interaction between natural and social sciences in addressing sustainability…

On 8 and 9 June, the second edition of EU Cyber Direct’s Closing the Gap conference took place at the Egmont Palace in Brussels, Belgium. This year’s edition was organized by François Delerue and Dennis Broeders as part of their participation in the EU Cyber Direct project, of which the Institute of…

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

For associate professor Jenneke van der Wal, things have been good recently. After being awarded a Vici and Una Europa grant, she has now also received an Ammodo Science Award. ‘It is a nice confirmation that I am doing valuable work.’

James Webb life’s building blocks

The Royal Holland Society of Sciences and Humanities (KHMW) has appointed Jos Raaijmakers, professor of Microbial Interactions and diversity, as a new scientific member.

Festival

Earlier this week, a working group of the United Nations, comprising all 193 of its member states, adopted a consensus report on norms for responsible state behaviour in cyberspace. Dennis Broeders, full professor of Global Security and Technology at the Institute of Security and Global Affairs, Leiden…

On Saturday 22 October 2022, for the first time the Bachelor Open Day took place at the faculty buildings instead of in the city centre. It was also the first open day in two years that high school pupils could physically attend again. It was a debut for the Pieter de la Court Building, where the different…

In a world beset with war, climate problems and skyrocketing energy prices, it is good to have some 'slack time' now and then. That was Dean Mark Rutgers' message at the Faculty of Humanities' New Year reception.

Education, Facility, ICT, Research

Cristina Del Real, Assistant Professor in Cyber Crisis at the Institute of Security and Global Affairs, participated in the presentation of the Office of Science and Technology (OficinaC) of the Spanish Congress of Deputies (the Spanish Parliament). She is an expert on cyber security, one of the four…

War and peace studies. A topic that is more relevant than ever because of the war in Ukraine. In September, the MSc Crisis and Security Management (CSM) will start a new track: War and Peace Studies. CSM’s Programme Director, Ernst Dijxhoorn, discusses the new track, how it was created and what students…

In the Netherlands, people probably grew up with De Fabeltjeskrant (a children’s show, ed.), but in France an introduction to fables plays a much more important role in a child's upbringing. PhD candidate Céline Zaepffel studied the role of fables in French education and teaching methods. It turns out…

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…