Imagine that you have a chronic skin condition, characterized by red patches of itchy, scaly skin. You regularly notice people staring at your skin and sense their reluctance to shake your hand. Or imagine that you have Parkinson's Disease, causing your hands to tremble and making it difficult for you…

Beowulf clusters looking for new frontiers.

From the largest numbers to the smallest molecules and from the oldest galaxies up to the latest algorithms, explore our standout discoveries and most inspiring collaborations from the past year!

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

The dissociative chemisorption of a molecule on a transition metal surface represents a rate-limiting step in many heterogeneously catalyzed processes, whereby most chemicals are made. In spite of the importance of this reaction, an accurate first principles approach to modeling it does not yet exist.…

Team Jumbo-Visma is going for gold at the World Championships this weekend in Salt Lake City. For this, they have worked on a new special training method. The Data Mining and Sports group of the Leiden Institute of Advanced Computer Science (LIACS) was involved in the development of this method.

The red carpet treatment of expats, terrorism studies and women professors who took over the Senate Chamber. These are the best read articles of 2018.

Roderick Geerts, a PhD candidate of the Faculty of Archaeology in Leiden, takes us on a short journey through the rich history of the Red Sea port of Berenike in Egypt.

The VICI research project Citizenship Discourses in the Early Middle Ages, led by Els Rose (Universiteit Utrecht), published a new book: Els Rose, Robert Flierman en Merel de Bruin-van de Beek, red., City, Citizen, Citizenship, 400–1500. A Comparative Approach (Londen: Palgrave-Macmillan, 2024). It…

Recently the book “Privaatrecht 2050. De weg naar ecologische duurzaamheid” is published.

The Grotius Centre has been running summer schools for many years now. The International Criminal Law Summer School will run for the 15th time this summer, and new schools are being added to the curriculum each year. Dr. Robert Heinsch, Associate Professor of International Law & Director Kalshoven-Gieskes…

Leiden molecular cell biologists in the research group of Annemarie Meijer have discovered novel early macrophage-specific genes in zebrafish, including a signal transducer pivotal for the migration of macrophages in the innate immune response to bacterial infection. Their findings were published on…

Compare human social behaviour at a country level and you will find differences. Japan has the highest score whereas the Netherlands is just above average. This is what psychologist Niels van Doesem discovered in research with an international team of 64 colleagues in 31 industrialised countries. Their…

Researchers from the Netherlands Cancer Institute, the Leiden University Medical Center (LUMC) and Oncode have created a tracking system that can reveal how often cells have divided. This allowed them to find a yet undiscovered population of immune cells: young memory cells that behave like stem cells.…

The most famous cat in science is Schrödinger's cat, the quantum mechanical mammal, which can exist in a superposition, a state that is alive as well as dead. The moment you look at it, one of both options is chosen. Leiden University physicists simulated an experiment to catch this mysterious moment…

Dr Robert Heinsch and his team of IHL Clinic researchers at the Kalshoven-Gieskes Forum on International Humanitarian Law have won a prestigious Erasmus+ grant for cooperation partnerships in higher education in cooperation with the IHL Clinics at Ruhr-University Bochum (Germany) and Roma Tre University…

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

If you expect something is going to itch, the itching really does get worse. Leiden health psychologist Danielle Bartels has proved the effect of negative expectations on itching. What’s remarkable is that this nocebo effect in itching can be reversed. ‘That offers good prospects for clinical practice,’…

No matter how hard Chinese communists tried to control the economy, they could not stop the free market from flourishing. This was the message given by historian Frank Dikötter on 7 February during a lecture on the Cultural Revolution. He will be awarded an Honorary Doctorate on 8 February.

Sandy Overgaauw has been awarded a 25,000 euro grant from the LUF for her research into PTSD in Syrian refugee children in the Netherlands. The research should lead to a screening method that can be used to determine which children are at higher risk of developing posttraumatic stress disorder (PTSD…

Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…

Who still remembers that Leiden attracted a lot of reds from Suriname during the 1970s? The exhibition ‘Dynamic Suriname’ offers a number of surprising insights on the links between Leiden University and Suriname, which is celebrating the fortieth anniversary of its independence this year.

Materials that are built up from individual granules exhibit a special phenomenon called ‘jamming’. With research into the nature of this phenomenon, a team of scientists led by Leiden physicist Prof. Martin van Hecke has made it to the cover of the prominent journal Physical Review Letters. ‘Jammed…

This page features an overview of relevant lectures, publications and conference papers.

Man-made sounds in and around the oceans stress marine life and have an impact on marine species and ecosystems by changing the underwater acoustic climate. Hans Slabbekoorn from the Institute of Biology Leiden pleads for technical solutions to mitigate problems of noise pollution. Science review paper…

The organisational network in and around a primary school influences the school’s achievement, according to Petra van den Bekerom. Effective networking allows problems to be countered more easily. PhD ceremony on 8 November.

Leiden scientists will be working on the development of a camera for the European Extremely Large Telescope that is currently under construction. On 28 September the Netherlands Research School for Astronomy signed an agreement with the European Southern Observatory.

Recent study led at the Leiden Observatory has observed Orion with unprecedented detail. New data from the Atacama Large Millimeter/submillimeter Array (ALMA) and other telescopes have been used to create this stunning image showing a web of filaments in the Orion Nebula. These features appear red-hot…

Warning colours ensure that predators remember that certain prey are poisonous. But now it appears that the colours of poisonous Panamanian frogs are also influenced by fastidious females: partner choice can also lead to colour change in these frogs, as Leiden researcher Martine Maan has reported in…

Isabel van Vledder and Dieuwertje van der Vlugt, 2 astronomy students from Leiden University, have mapped the entire Milky Way galaxy in dwarf stars for the first time. This result is the most comprehensive model ever for the distribution of these stars. The findings appear in a new paper in Monthly…

On January 5, Rosa Winter will obtain her doctorate in arithmetic geometry. She researched solutions of equations that define so-called ‘del Pezzo surfaces’. ‘I like geometry because I can imagine and draw the shapes and objects,’ says Winter. ‘That makes abstract mathematics feel more tangible.’

The FGGA starter grants provide researchers with the opportunity to launch innovative projects that contribute to both scientific knowledge and societal impact. In this article, Allard de Graaf and Joy Lee share their experiences and ambitions for their research, made possible by this funding.

An international team of astronomers that includes researchers from Leiden has discovered the most distant galaxy yet. The galaxy, called EGS8p7, is 13.23 billion light years away from Earth and already existed when the universe was only 550 million years old.

Cells in our body are constantly performing small tasks, such as repairing wounds. They exert force by changing shape. But how do cells translate their shape into exerting a force in a specific direction? Experimental and theoretical Leiden physicists have now found a clue to answer this question. Cells’…

Leiden University announced on 19 March 2020 that there would be no more face-to-face teaching for the rest of this academic year. That was a big decision with big consequences, but students in Leiden are staying positive and trying to make the best of it. Read on to be inspired by how Leiden students…

After almost twenty years the record for the most distant radio galaxy has been broken. A team of astronomers led by Leiden PhD candidate Aayush Saxena has discovered a radio galaxy from the time when the universe was just one billion years old. The galaxy is at a distance of 12 billion light years…

Majid Khan, born and raised in Pakistan, left his wife and daughter behind to do research in Leiden. After obtaining his PhD, the Netherlands has taken a special place in his heart. ‘Biking in the rain and wind was weird. But I loved it.’

Students from the Royal Academy of Art The Hague (KABK) designed the 450 lustrum logo.

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

Every year, the Netherlands and Belgium Red Cross organize the Frits Kalshoven International Humanitarian Law Moot Court Competition, which brings together students from both Dutch and Belgian universities.

'A great result for the effect of Pokémon Go on children with autism', says Carolien Rieffe in the Dutch newspaper De Volkskrant. 'Although we do not know whether the game will lead to friendships in the long term.'

Anne Sytske Keijser, Mark Leenhouts, and Silvia Marijnissen have won the 2022 FILTER Translation Award for De droom van de rode kamer

Houben and Ten Oever investigate the relationship between public service obligations in EU law (PSOs) and human rights. PSOs served mainly as a correction to free market forces and did not originate from a human rights perspective.

Every year, the Netherlands and Belgium Red Cross organize the Frits Kalshoven IHL Competition, which brings together students from both Dutch and Belgian universities.

Light can be used to apply forces on single cells. Focused lasers have been used by physicists to tweeze particles and to manipulate them. These so called “optical tweezers” can be used as mechanical phenotyping tools for characterising the mechanics of materials and living objects.

The first Campus The Hague Career Event took place on 18 April. A Career Event for all students in The Hague, organised in collaboration by the Career Service of the Faculties of Governance & Global Affairs and Humanities.

June 6th and 7th, the Institute of Public Administration hosted a seminar on the Challenges for public sector employees caused through the increasing demands that their work environment poses.

Monika Baár received a two-month residential fellowship by the Brocher Foundation, an organization located in Hermance (near Geneva) which supports research in the medical humanities.