On 2 April, the final of the Legal Tech Challenge 2026 took place in the Academy Building of Leiden University. During the final, teams of students pitched their technological solutions to societal challenges.

The stadtholder’s court in the Republic of the Seven United Netherlands has long been underestimated. Real courts and the associated court culture were to be found elsewhere in Europe. PhD candidate Quinten Somsen is trying to reverse this image. ‘The stadtholder’s court was actually very lively.’

Lecture, Book talk

Alumnus Wandile Madalane tells us how his time in Leiden has made it easier for him to engage with renowned figures and how he does NOT miss the rain.

Valerie Pattyn has received Veni funding for her project Policy evaluations evaluated. When do they prompt an overhaul of policies? 'I am really looking forward to immerse myself in this study, and I am enormously grateful for this unique opportunity'.

Discover the unique Vital Interests course in the BSc Security Studies programme, featuring an inspiring session on climate diplomacy with Dutch UNFCCC negotiators.

175 years ago, the Netherlands took great strides towards parliamentary democracy with a revamped Constitution. Where does the Constitution stand today?

Amsterdam-based bicycle company VanMoof was declared bankrupt in court this week. The company had been struggling with financial problems for some time and recently closed its doors, causing great concern among customers. Several affected customers whose newly bought or repaired bikes were still being…

Receiving a gift is nice, but giving a present also makes you happy. Development psychologist Mara van der Meulen former member of the Leiden Consortium on Individual Development (L-CID) answered four questions about giving gifts.

What reduces the likelihood of children being taken into care? Anouk Goemans calls for data-driven systems, alongside attention to the stories behind the numbers.

Olivier Morskate studied Public Administration at Leiden University and did an internship at the European Parliament's Liaison Office.

Lecture, China Seminar

Synchronised heart rates and skin conductance tell us that people are attracted to each other. This explains why we feel a romantic ‘click’ with some people and not with others. This is the result of research by psychologist Eliska Prochazkova from the Leiden Institute for Brain and Recognition, which…

The relationship between academia and democracy is a complicated one. Should policy makers listen to scientists or to citizens? That is the dilemma Valérie Pattyn and Johan Christensen will discuss with a panel of experts during the academic conference EuroScience Open Forum (ESOF).

The slogan of the Faculty of Archaeology, ‘The Future of the Past starts at Leiden University’, might sound like empty marketing speak. But there is something to it. The past can teach us a lot about climate change and that could make us fear the worst for our future. Archaeologist Gerrit Dusseldorp…

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…

Cookware handles, electrical plugs, brake pads. Unlike other plastics, these ‘thermosets’ cannot simply be melted down and reshaped, making them difficult to recycle. Chemist Roxanne Kieltyka and her team are now exploring a way to make these materials recyclable, potentially transforming the way we…

Genetically modified organisms (GMOs) could be useful allies in the fight against critical environmental problems. Could because the use of GMOs is strictly regulated at the moment. A Leiden student team is now trying to make these GMOs safer with the aid of an ingenious lock.

Within the same species of butterfly many different wing patterns can occur. How is this possible? According to researchers Ben Wielstra and Emma Berdan, of the Institute of Biology Leiden (IBL), the answer lies within supergenes. A supergene is a part of a chromosome that contains many strongly linked…

Sander van Kasteren (Professor of Molecular Immunology) makes the invisible visible. He will explain more in his inaugural lecture.

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…

How do you ensure that people who have had a stroke get the right therapy at the right time? This is the question researcher Jorit Meesters wants to answer.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

At the LDE Space & Society Honours, students explore everything the universe has to offer. From the technical frontiers to the rules that govern it: space law.

In the current political situation of Bulgaria, it seems that a long-term caretaker government is the only viable option at the moment. Dimiter Toshkov, Antoaneta Dimitrova and Bernard Steunenberg of FGGA analyse what the Bulgarian caretaker government can learn from its Dutch counterpart.

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?