Leiden University Medical Center (LUMC) has just launched its COVID Radar app. Users of the app are asked to regularly complete a short questionnaire about their health, regardless of whether they are ill or not. This will give the researchers a good idea of the current spread of coronavirus in the…

In 2025, the Europa Institute successfully helped apply for an ICM+ grant allowing student and staff exchange between Leiden and the Diego Portales University, one of the leading universities in Chile.

Last semester, bachelor’s students in Religious Studies spent a lot of time in community centres in Leiden. The reason: field research into loneliness in the city.

Medical psychologist Willeke Kitselaar developed a model that helps identify patients with persistent somatic symptoms earlier, based on an extensive large medical database. ‘I advise GPs to ask patients to fill in a questionnaire about both physical and mental symptoms at an earlier stage.’ PhD defence…

This semester we again organize the elective Nitrogen and Sustainability for 36 master students mainly from Industrial Ecology and Governance of Sustainability. The course helps the students to understand the complexity of the Dutch nitrogen crisis and the role different stakeholders play.

How do surgeons avoid causing nerve damage or leaving cancerous cells behind? An interdisciplinary research group at the LUMC hopes to improve operations and make them less invasive with the aid imaging techniques. They are working with medical companies to make these techniques widely available.

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?

From one year to the next, face masks have started to appear in the environment. As the masks are discarded, they end up in the top soil, in sediment layers, and in refuse heaps. In a couple of generations archaeologists will study the layer that has already been labeled the Face Mask Horizon. Current…

Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…

For Sybille Lammes, professor of New Media and Digital Culture, corona offers a whole new perspective on her research into play. Digital media may have never been more important now that we're working remotely, but we have also started to game more because we are spending more time indoors. Lammes can…

Developing a better treatment for patients with head and neck cancer, that is what Binanox, The 2022 iGEM Leiden team, want to achieve. They hope to raise at least 10,000 euros for this cause. Support their crowdfunding campaign today.

Winning gold in speed skating at the Olympic Games is not just a matter of training hard; data science can also lend a hand. Jeroen van der Eb of the Leiden Institute of Advanced Computer Science (LIACS) developed the measuring skate for this purpose, with which he recently won the Nationale Sportinnovator…

Electrical inner ear prostheses like Cochlear Implants (CIs) help deaf and severely hearing-impaired persons to regain many of their communication abilities. The performance of CI in social environments is, however, not optimal. The new

The Hague Project Peace & Justice, in cooperation with Dr. Alanna O’Malley of the Leiden University Institute for History, organized a one-day conference on October 23rd, to celebrate the 70th anniversary of the United Nations. Students of the ‘A History of the United Nations’ elective course of the…

Patients who can’t afford medicine. Refugees who need help. Expats who are ill. All alongside research into obesity. Having trained as a doctor, Dennis Mook-Kanamori chose the hard reality of life as a GP together with a job as a researcher at the LUMC.

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

Using mathematics to help children with bone cancer. It sounds a little strange, but for statistician Marta Fiocco, it's just her job. She gets a substantial grant from KiKa for it. With that money, she is going to study the effect of chemotherapy adjustments.

A European project should help reinvigorate Latin teaching in secondary schools. 'By focusing on citizenship, we want to show that Latin is relevant to discussions about citizenship and migration.'

How do classroom demonstration experiments help students learn chemical reasoning? Marie-Jetta den Otter, PhD student at ICLON, researched this. She defends her thesis on 6 December.

Antibiotic resistance is an economic problem. Pharmaceutical companies cannot earn much from antibiotic research, so they do not invest in it. This makes it important that universities do so, says Ned Buijs.

Just imagine: you see someone being treated unfairly. Do you find it more rewarding to help the victim or punish the perpetrator? Research by Leiden psychologist Mirre Stallen indicates that punishing is more rewarding. Publication in JNeurosci.

Leiden master's students of Journalism and New Media are going to help Facebook bar fake news from the social medium.

Museum De Lakenhal is displaying the smallest work of art in the world: a 3D-printed statue of Rembrandt van Rijn, made by sculptor Jeroen Spijker and researchers from Leiden University.

People are keen to make a contribution that will be valuable for scientific research. Many thousands are taking part in the Major Flu Survey. Leiden researcher Anne Land is publishing on this subject in the Journal of Science Communication.

Modern optimization algorithms offer solutions for architectural decisions like spatial, structural and energy efficiency. A young computer scientist from Leiden University co-authored a paper that won the Best Paper Award at a leading conference in Krakow during the summer.

Democracy is under pressure all over the world. With the #DemocracyinAction project, university lecturers Sara Brandellero and Kamila Krakowska Rodrigues want to investigate how grassroots art projects manage to keep democracy alive.

Jamie Korporaal, who started as a junior lecturer at Leiden Law School during her master's studies and has now joined the faculty as a lecturer, will start the Labour Law specialisation after the summer. She discusses her career and this postgraduate training course with Marije Schneider, lecturer in…

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why they chose Leiden University to study their master's programme.

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

Microbes influence and respond to other organisms. This theme explores the dynamic relationships within plant and animal microbiomes, and the immune responses that govern host defense. Using model systems such as zebrafish, insects, and plants, we investigate fundamental processes and engineer microbes…

New book on Dutch mayors governing local order and public safety.

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why they chose Leiden University to study their master's programme.

Do you like running or helping charity? Then join the Leiden Science Run on 29 September! Form a team together with friends, colleagues, roommates for this relay race of 5 km at the Bio Science Park in Leiden and Oegstgeest. Leiden University is organising this sponsor contest for the UAF, in collaboration…

Dutch Central Bank President Klaas Knot wants to wind down the European Central Bank’s crisis bond-buying programme this year because the economic outlook is looking increasingly positive.

Do you like running or helping charity? Then join the Leiden Science Run on 29 September! Form a team together with, for example, your old study mates or old roommates for this relay race of 5 km at the Bio Science Park in Leiden and Oegstgeest.

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

The Hague Journal of Diplomacy is hosted by the Institute of Security and Global Affairs at Leiden University. Besides the journal, there are many other activities related to diplomacy.

Our mission is to bring together research and practice focused on the improvement of mental health and the enhancement of treatment / psychotherapy success. To reach this goal we focus on the following paths:

How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

One of the core missions of CWTS is to contribute to a sustainable science system. Through our services, we do so by providing high-quality support for research evaluation, research management, and science policy.

The mission of our group is understanding how science communication works to improve the interaction between science and society. We believe better science communication can improve our society and engage many different groups with science, also improving science.

The 2012 crisis in Mali, where the state collapsed and terrorist groups took over the north, came as a surprise to many. Mali had been considered a poster-child for democracy and was judged as considerably more stable than its neighbors by leading quantitative indices of state fragility. This article…

The Leiden Institute of Advanced Computer Science (LIACS) is a centre of excellence for multidisciplinary research and education in computer science and artificial intelligence (AI).

More than 30 members of Programme Committees, Faculty Councils and the University Council met online on 27 November with a mission: how can university co-participation work towards a more sustainable university in terms of education, research, and operations? The Leiden University Green Office and the…

The mission of science based business (SBB) connects the domains of science, business, and policy. Scientific research we focus on at Leiden in areas such as artificial intelligence promises to reshape our societies for the better. Translating science into positive societal impact however requires new…

Engin Kiliç defended his thesis on 11 june 2015