There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

‘Working in Leiden is a dream come true.’ Ákos Kovács studied in his birth country Hungary and worked in Germany, Denmark and Groningen. As professor of Microbiome Ecology at IBL, he immediately started working together with his new colleagues to make discoveries about the versatile bacterial species…

From Wednesday-Thursday 19-20 April 2023 the Stichting Bob Wessels Insolvency Law Collection (BWILC) invites PhD students from Europe and beyond to participate in the 5th edition of the PhD workshop on European/International Insolvency Law. Following four successful editions, PhD students are invited…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

The new Dutch-Turkish dictionary has been completed, just in time for the celebration of 400 years of Dutch-Turkish ties. It would not have been possible without Gerjan van Schaaik and Mehmet Emin Yıldırım from Leiden University. On Wednesday 18 April the Education Minister Marja van Bijsterveldt will…

Funded by a ZonMw grant, the LUMC and the Health Campus The Hague will be working with headache patients on research into the use of an electronic headache diary. This resource can help patients gain a better understanding of their migraine attacks and, together with the physician, produce the best…

Nanodiamonds and charcoal in Dutch soil provide no evidence for the alleged impact of a meteorite at the end of the last Ice Age. This is the conclusion of a research done by Utrecht University in collaboration with Leiden University and the University of Groningen.

Professor Annemarie Meijer and several students explained to more than 8000 visitors the zebrafish as a model for research during the National Weekend of Science (3-4 Oct) at Science Center NEMO in Amsterdam.

Ineke Bussemaker studied Maths at Leiden University and now works as a banker in Tanzania. In an interview in alumni magazine Leidraad she brings those two worlds together and looks back on her time in Leiden.

Students of the Leiden University master Computer Science are the first students in the world that have been educated in programming with a quantum computer. ‘With this system, it is finally possible to solve complex real-life problems of society.‘

Jianfeng Ge and Milan Allen of Leiden University look for majorana quasiparticles using shot noise measurements

Chinese universities have big ambitions to be among the leading international higher education institutions. What does this mean in terms of opportunities for researchers at the universities of Leiden, Delft and Rotterdam? Staff at the universities recently discussed the issue.

On Thursday 3 November Leiden University will celebrate the official opening of two wall formulas in the city centre. As of now, Snell’s law and the Lorentz force formula shine on two walls in the heart of Leiden. They are part of a project to display at least ten groundbreaking formulas with a Leiden…

Leiden researchers have found minute movements in the laccase enzyme. This discovery could lead to the development of much more efficient biofuel cells. Publication in Biophysical Journal.

On Monday 30 January, some 550 students from the International Studies programme in The Hague were the first to enter the largest lecture hall in the new Wijnhaven building. Here they were personally greeted by the Rector Magnificus of Leiden University and an alderwoman from the Municipality of The…

Emma de Vries, PhD researcher at LUCAS, has been awarded with a Fulbright Grant and Prins Bernhard Cultuurfonds Scholarship. From September 2015 onwards, Emma will spend a full academic year in the Unites states, to work at UCLA and Harvard on her PhD research on Neo-Epistolarity.

Much of the work of Serge Fehr, Professor of Quantum Information Theory, is abstract and theoretical and comprehensible to very few people. But his work helps make the digital world safer so that in future our internet banking will still be problem free, for instance. He will explain more in his inaugural…

Three cybersecurity consortia that Leiden University is part of have been awarded subsidies of over a million euros by NWO. Leiden is the coordinator for two of the projects.

Researchers led by Professor of Chemistry Marcellus Ubbink have recently published a study in Proceedings of the National Academy of Sciences (PNAS) about the dynamics of an important redox enzyme. This work was accomplished thanks to an NWO VICI subsidy granted to Professor Ubbink.

A Dutch-Italian-German team of astronomers has observed a huge glow of radio emission around a cluster of thousands of galaxies. They combined data from thousands of LOFAR antennas that were focused for 18 nights on an area the size of four full moons. This is the first time astronomers have been able…

Manufacturers produce high-end technology mostly top-down with large machinery, but small particles are able to build structures by themselves from the bottom up. A major challenge is that these particles easily clump together. Leiden physicist Daniela Kraft has developed a method to use this phenomenon…

What do refugees use their mobile phones for? And what does it mean for aid workers in reception camps? The Leiden Centre for Innovation studied this issue together with researchers from Harvard Humanitarian Initiative and Data & Society.

Recently, our respected and talented former colleague Bente Hilde Bakker passed away after a long and brave fight with illness. She received her mathematical training at the Vrije Universiteit in Amsterdam and also obtained her PhD there under the supervision of Jan Bouwe van den Berg and Robert van…

Biophysicist Rolf Harkes has developed a microscope to optically localize individual molecules in living cells. It improves monitoring of diseases like cancer and Parkinson’s at the cellular level. Defende PhD thesis on t13 January 2016.

Leiden physicists Tjerk Oosterkamp and Dirk Bouwmeester have received a 1.3 million euro Science-Groot grant from NWO to catch a mystery at the core of quantum mechanics, together with Amsterdam physicist Jasper van Wezel.

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

Thursday was World Hearing Day. During one of the Leiden2022 activities, visitors to Corpus Museum could learn all about ears and test whether theirs worked properly. How exactly does an ear work? What solutions are there for deaf people and what is a bionic ear?

On 11 June 2023, the International Insolvency Institute (III) announced its 2023 prizes in International Insolvency Studies during its 23rd Annual Conference in Amsterdam. Raghav Mittal from Leiden University was honoured to be a recipient of the Bronze Medal for his paper on Equity retention in SME…

The quantum computer is on its way, but is society ready for it? Quantum computers have a reputation of being difficult to grasp because of their complexity. This limits society’s ability to envision future applications creating a gap between society and quantum computers. A consortium of 14 knowledge…

Many poor people in Indonesia mainly rely on their family members, neighbours and the local community as a social safety net. One of the forms of aid from the community is called ‘jimpitan’ in Central Java. PhD candidate Ayu Swaningrum researched how this social security system works.

The KM3NeT neutrino detector celebrates the installation of the first string of detectors in the Mediterranean Sea off the French coast. It will measure neutrinos’ spooky spontaneous change in flavor. Leiden physicist Dorothea Samtleben is closely involved in the project.

The bacterium Vibrio cholerae is a serious threat to our health because it is the causative agent of cholera. Worldwide, over a billion people per year are at risk of cholera infection. New strains of V. cholerae are resistant to the multiple drugs used to treat cholera, meaning that new types of drugs…

The Institute of Public Administration has appointed Dr. Ing. A.J. (Bram) Klievink as Professor at the Faculty of Governance and Global Affairs.

Bacteria temporarily live without their cell wall if dangerous viruses are near. A remarkable feature, as the cell wall is a sturdy barrier against threats. Still, the discovery has a logical explanation ánd might be of a consequence for fighting pathogenic bacteria, according to Véronique Ongenae,…

Leiden Physicists have found evidence for the Berry-force that could be used for driving tiny nanomotors, just like a river drives a water wheel. Nanomotors could be used for drug delivery in the human body. Publication in Beilstein Journal of Nanotechnology.

Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

Thanks to Ian Cook’s ‘Who Made My Clothes?’ MOOC, thousands of students have researched where their clothes come from. How does this geographer from the University of Exeter manage to inspire such enthusiasm in his students? He and his student Zahra Ali will explain all during the Education Festival…

Tjerk Oosterkamp's group is conducting what is perhaps the coldest research in the world. The researchers have cooled a sensor to below 2 millikelvin - almost as cold as absolute zero. This allows them to make extremely sensitive measurements. PhD candidate Jaimy Plugge helped build the setup: ‘We are…

Brechtje de Jong, a Bio-Pharmaceutical Sciences master’s student, and Ilse de Weert, a Pharmacy student, have won the KNMP Studentenprijs 2024. They received the award for their outstanding academic performance and research internships.

Jan Melissen, associate professor at ISGA and editor-in-chief of The Hague Journal of Diplomacy, and his team have been awarded 10,000 euros from the 'Valued' fund. This pilot fund, implemented by the KNAW (Royal Netherlands Academy of Arts and Sciences) aims to increase the interaction between science…

The small quantum world and our world of perception obey different laws of nature. Leiden physicists search for the border between both worlds. In an article published soon in Physical Review Letters they set an upper limit.

Bernet Elzinga (Clinical Psychology) is one of the seven scientists from the Leiden University who has received a Vici grant of 1.5 million euros from NWO. Vici is one of the largest grants for individual scientists in the Netherlands. The funding will enable her to do research for the next five years…

An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers,…

Leiden physicists use a new method to measure so-called surface plasmons. Researching these particles could lead to new light-based technology, including faster internet.

The first Leiden Science Family Day on Saturday 6 October was a great success. During the ‘Weekend of Science’ more than 700 visitors, including 350 children, visited the Faculty of Science. With a program full of experiments, lectures, guided tours and demonstrations, visitors were given a glimpse…

On Tuesday 4 September, Martina Vijver delivered the scientific lecture during the academic opening of the Faculty of Science. Martina is professor in Ecotoxicology at CML and would like to have collaborations with colleagues from the Leiden Centre of Data Science. We had a brief interview with her.

The worldwide race to the quantum computer is in full swing. This computer can bring about a breakthrough in discovering medicines and new materials. Leiden researchers, together with the TU Delft, are taking part in the race. There is now a dossier online about their work.

CERN has approved the construction and operation of SND@LHC, a neutrino detector at the Large Hadron Collider. It's a precursor for SHiP, a detector meant to detect dark matter. Leiden physicist Alexey Boyarsky is one of the initiators of both SHiP and SND@LHC.