Steeds drukker is het in populaire banen rond de aarde voor ruimtevaart. Niet alleen met satellieten, vooral met meer afval, wat onveilig is. Zhuang Tian promoveert op de juridische kant van afgedankte ruimte-apparaten. Wie troep veroorzaakt, moet het weer opruimen.

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…

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ammonium under icy cosmic conditions and form a salt that sticks to dust and pebbles. The resulting sulfur salt not only helps to explain the mystery of the missing sulfur gas,…

White clouds of ice-cold gas flowing across the floor. Magical, but be careful not to freeze your fingers off. We are of course talking about liquid nitrogen and helium. You may have seen the spectacular Freezing Physics science show by the student organisation Rino. But did you know that this commodity…

Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.

Following in the footsteps of Professor Jan Zaanen, visiting fellow Louk Rademaker is exploring quantum effects in so-called strange materials. His research is paving the way for new materials that could be used in emerging technologies.

Is it a prehistoric mammoth tooth or just an ordinary pebble? It was National Finds Day at the Dutch National Museum of Antiquities on Saturday 17 June, and Leiden University was one of the collaborating partners.

Leiden Observatory has achieved a rare feat: two of its research teams have been awarded prestigious ALMA Large Programmes, allowing them to study how galaxies formed and evolved in the early Universe using cutting-edge telescope observations.

After hard work in the lab, Chemist Tirong Guo has developed a group of materials that provide a stable and efficient foundation for artificial photosynthesis. Will this enable the large-scale production of hydrogen and other useful compounds in the most sustainable way possible? Guo will defend her…

Predicting the collective behaviour of systems, like a large group of people electing one of the parties, is no easy task. But there’s a theory that scientists have been using for decades to do just that: the theory of Gibbs measures. Last week, mathematician Mirmukhsin Makhmudov earned his PhD for…

Rianne Bouwman recently started as policy officer for education.

Several years ago, two amateur archaeologists from Brabant discovered over a hundred Roman coins near to Berlicum in the north of the province. After years of research, it now appears that the location, close to a ford in the river, was a site for offerings. Another interesting fact is that the coins…

In the eighteenth century, the Dutch East India Company (VOC) housed its enslaved people on ‘Slave Island’ in Colombo, the capital of Sri Lanka. Today ‘Slave Island’ is under serious threat from property developers. Senior lecturer Alicia Schrikker, together with her Sri Lankan colleagues Iromi Perera…

An atomic vandal has finally been caught! Scientists from Leiden University and the Department of Energy’s SLAC National Laboratory have uncovered the mysterious cause behind the rapid corrosion of platinum electrodes. This breakthrough paves the way for more affordable green hydrogen production and…

A tenacious postdoc researcher persuaded Professor Marc Koper to research the oxygen reduction reaction. In Koper's eyes, there was little of interest there. But they promptly discovered a whole new way to improve fuel cells on hydrogen and oxygen. Their article appeared in Nature Catalysis on 07 Ju…

A pill can make you better, but how exactly does it work? Primary school children from The Hague found out during a visit to the Centre for Human Drug Research (CHDR) as part of a new teaching module ‘The journey of a pill’.

Nanoplastics can accumulate in developing hearts, according to a study by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.

The Iran war has pushed up fuel prices and raised concerns about a global energy shortage. How well prepared is the Netherlands? We asked two experts.

Chen Wang has recently finished her doctoral research and will be defending her dissertation on May 13th. For her PhD she researched the lead in artefacts from ancient China, using isotope analysis to match them to their origins. She applied analytical methods to new contexts and used the data from…

Amidst the lathes and welding machines of the Fine Mechanics Department, Emiel Wiegers is working concentratedly on a metal cylinder. He and his colleagues design and construct components for researchers' set-ups. ‘We are a bunch of inventors who enjoy helping the researchers in our Faculty.’

In the middle of doing research for her master’s thesis, Sara Kalf (24) was hit by a car and got seriously injured. After a long period of rehabilitation and hard work, this week she can finally add her signature to the wall of the Academy Building’s ‘Sweat Room’.

Meijerslezing, Meijersprijzen en Van Wersch springplankprijs en Nieuwjaarsreceptie 2024

Kool made a conscious choice to work for a non profit organisation. Recently, inspired by the pandemic, she also made a career switch.

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

Op dinsdag 10 januari 2022 zijn tijdens de facultaire nieuwjaarsreceptie de jaarlijkse Meijersprijzen en de scriptieprijzen uitgereikt.

Student Session

The train to The Hague holds no secrets for Jeroen Touwen anymore. Since October, the Vice-Dean of the Faculty of Humanities has been part of the board of Campus The Hague. One day a week, together with Jan Crijns (Professor of Criminal Law and, as of February 15, Vice-Dean of the Law Faculty), he oversees…

Following a highly successful first edition, we are delighted to announce the second Leiden eLaw Summer School on ‘Regulating AI in the EU Digital Market’ taking place from 23 to 27 June 2025, both in person in Leiden and online.

Vanaf september 2025 biedt de Faculteit Governance and Global Affairs de bacheloropleiding Cybersecurity & Cybercrime aan. Deze unieke Nederlandstalige opleiding leidt studenten op tot veelzijdige cyberexperts. ‘Er is veel vraag naar specialisten op het gebied van cybersecurity en cybercrime’.

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…

Hybrid Workshop: In person and online on 26 – 27 January 2023.

As eLaw Postdoc researcher exploring the multiple intersections between law, gender, and technology, Carlotta Rigotti has recently participated in a groundbreaking international workshop focused on combatting image-based sexual abuse (IBSA) at the CAIS premises in Bochum, Germany.

An escape room gave staff the chance to test their knowledge about cybersecurity at work. Would they manage to defuse the bomb in time without falling for the phishing emails or causing a data breach?

When under duress innocent suspects can make a false confession. Why is this? Legal psychologist Linda Geven will give a talk about this at the Leiden Institute for Brain and Cognition’s Brain & Law event. At this symposium (in Dutch) on 16 September you can attend talks on fascinating brain research…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

Twaalf rechtenstudenten krijgen tot maart 2025 de kans om achter de schermen te kijken bij rechtbank Den Haag via het Honours College Law-vak ‘Masterclass rechtbank Den Haag’. Studenten Quinten Heerma en Eva Verdellen delen hun ervaringen met deze Masterclass.

Marion Pluskota is the new post-doc on Manon van der Heijden's 'Crime and Gender' project.

Professor of Privacy and Cybercrime Bart Schermer researches the relationship between new digital technologies, enforcement and human rights. What cybercrime trends can he see that are relevant to an organisation like Leiden University?

Five Leiden research projects in history, law and AI have received SSH Open Competition M 2024 funding from the Dutch Research Council (NWO). The researchers have up to five years to work on a promising idea.

In opdracht van het WODC doen onderzoekers van de Universiteit Leiden onderzoek naar de landelijke daling van het aantal jeugdbeschermingsmaatregelen en jeugdreclasseringstrajecten. Bij dit interdisciplinaire onderzoek zijn onderzoekers van de afdelingen Jeugdrecht en Gezondheidsrecht, Bedrijfswetenschappen…

On Tuesday 12 January 2021, the annual Meijers prizes and thesis prizes were awarded at the online New Year’s event broadcast from the Old Observatory.

Studying and being an entrepreneur at the same time? Stan (21), a master's student in Crisis and Security Management, is doing it. With the knowledge gained from his master's, he developed a game about cybersecurity: HackX. Through HackX, he wants to make others aware of dangers online.

Why do violent incidents occur in prisons? And how do staff respond? Assistant Professor Esther van Ginneken will use a grant from the NWO Vidi Talent Programme to conduct research into these and other questions. She intends to make use of virtual reality.

Amid rising polarisation and discrimination, lawyer and human rights activist Lilian Gonçalves-Ho Kang You wants to show in her Cleveringa Lecture on 26 November how dangerous exclusion is.

Tijdens Leiden Revisited kregen alumni van de Rechtenfaculteit de mogelijkheid om zich weer even echt student te voelen. Dit jaar vond het evenement namelijk plaats in de (oude) vertrouwde collegebanken van het Kamerlingh Onnes Gebouw.

The SENSYN project has found a solution to few public datasets for criminological research: synthetic datasets. Marieke Liem talks about this unique innovation

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?