This article reflects on the lessons of COVID-19 five years on. The crisis exposed deep vulnerabilities in health systems, governance, and social cohesion.

The new government needs to look further ahead, says environmental scientist Rutger Hoekstra. ‘We keep pushing forward big dossiers like demographic ageing, climate and migration. Even though we know they play a big role in our future.’ Hoekstra therefore hopes that the new coalition agreement will…

What does European border security look like? On 14 April, Hans Leijtens, executive director of Frontex and former commander of the Royal Netherlands Marechaussee, is in The Hague for a lunch lecture. We spoke with him about border security, migration and the role of Frontex.

Prisoners deserve better professional support when preparing to return to society. PhD candidate Amanda Pasma: ‘You can’t imprison everyone for life. Society will have to give prisoners a second chance.’

The experiential expertise of people with a disability needs to be integrated in diversity & inclusion policy. This message was the common thread at the annual Diversity & Inclusion symposium. Students and staff members engaged in conversation about how the university can become more accessible.

Can we truly assess whether someone finds us attractive? Cognitive psychologist Iliana Samara conducted her PhD project on romantic attraction and discovered that men, in particular, tend to overestimate the interest of their date. She explains why this may be.

A comparative study in the History of Modern Philosophy focused on the recourse to physiology on the part of two key figures, Spinoza and Nietzsche.

On 11 March, pharmaceutical company Janssen received approval to launch its corona vaccine on the European market. This made Janssen the fourth company to be given the green light by the European Medicines Agency. As Lead of the Janssen Campus in the Netherlands, Biology alumnus Bart van Zijll Langhout…

What we buy and consume in Europe often has an impact on biodiversity somewhere else in the world. With a Horizon Europe Funding of 600.000 euros, assistant professor Laura Scherer and her team will develop models to look at the impact of global trade in non-food biomass. ‘After developing the models,…

At the Faculty of Science, forty per cent of the employees are of a non-Dutch nationality. Amongst PhDs that is even sixty per cent. How are they doing in a time of working at home in a different culture, when travelling is not possible? Astronomer Yamila Miguel is the first in this series to tell her…

Part One: Casting off, Amsterdam

Hardly anyone in the Netherlands ever watches skeleton racing. But we’ll soon be glued to our TV sets when ‘our’ Kimberley Bos slides down the track at the Olympic Games. All because she stands a good chance of winning a medal. Why do we like winners so much?

Leiden has been selected as one of ten cities in the European BiodiverCities project. The aim of the project is to increase the quality of life in these cities, for instance by developing a green infrastructure and enhancing biodiversity. The Municipality of Leiden will work together with Naturalis…

Data and information should be stored in a way that computers can understand, says Barend Mons, professor of Biosemantics at the Leiden University Medical Center and Chair of the High Level Expert Group for the European Open Science Cloud. We speak with him about FAIR data, knowlets and nanopublicat…

Leiden University and Leiden University Medical Center have joined the Netherlands Centre for One Health (NCOH), further strengthening the academic network in which such problems as antimicrobial resistance are studied.

After a long run-up, the time has finally come for Frank Takes and Matthijs van Leeuwen. Together, they will become the new directors of education (OD) at the LIACS institute. Takes as OD of the bachelors and Van Leeuwen for the masters. 'We have been working together as colleagues for years,' Van Leeuwen…

Liesbet van Zoonen is Director of the Leiden-Delft-Erasmus Centre for BOLD Cities. The Centre was founded in 2016 and has made a name for itself with such innovations as data walks and the ‘Your Neighbourhood – Your Data’ game and conducts research together with the Statistics Netherlands (CBS) and…

In Freedom Stories we share the freedom stories of our students and staff, in honour of Liberation Day in The Netherlands. Today, we share Leen's story. We asked her, what does freedom mean to you?

'This one is really for the coffee lovers out there, but tea drinkers and co. need not tune out because this spot has got more to offer than just coffee.' Rachel Quennell, student of International Studies in The Hague, is a mine of information for lovers of good coffee.

In Leiden, light particles march into Wolfgang Löffler’s experiments one by one. His research focuses on acquiring the fundamental knowledge needed to develop quantum computers and networks.

Future technologies will drastically influence our daily lives. To what extent will that benefit us? The Brave New World future congress on 2 and 3 November in Leiden will reveal a range of different scenarios, some optimistic and some worrying.

Are you passionate about writing and sustainability? Do you feel like sharing your talent with the rest of the university? This is your chance!

Are you passionate about writing and sustainability? Do you feel like sharing your talent with the rest of the university? This is your chance!⠀

Part Two: Land Ahoy! Casa Blanca

Assistant Professor Lucie Zicha at Leiden University College (LUC) in The Hague is on a mission to bring statistical literacy to all undergraduate students.

Poetry, video editing, musical art: the first installment of the 48 Hour Project, in which students created a piece of art in only two days, has resulted in a wide variety of creativity. For participants, it was a glimmer of light in a rather dark year of lockdowns: “I felt like I was physically there with…

A safe haven for students, more bicultural staff and more powers for diversity officers. In a national expert meeting at Campus The Hague, administrators, diversity officers, students and staff discussed urgently needed measures.

The Language Learning Resource Centre at Leiden University is organizing a one-day conference (June 7th, 2019) on the topic of teaching language and intercultural communicative competence in higher education.

Hermelijn Smits is Professor of Host-commensal Interactions and Immune Modulation. In this role she is increasing our current understanding of the way in which microbes and parasites shape our immune system to protect us from respiratory infections and chronic inflammatory diseases. In her inaugural…

More and more people worldwide have infections caused by bacteria that are resistant to many types of antibiotic. Why is this and how big of a problem is it?

Part Three: A Change of Course

It is important for social animals to be able to recognise one another quickly. Humans are able to recognise each other immediately from their faces. Faces are also important for chimpanzees, but a new study by neuropsychologist Mariska Kret in PLOS ONE shows that the animals' buttocks also play a…

Mimicking photosynthesis to produce bioplastics sustainably and efficiently. Researchers from the Institute of Biology Leiden (IBL) and the Leiden Institute of Chemistry (LIC) will assess this new approach. ‘An exciting opportunity to explore a new, appealing research topic in a collaboration between…

‘If it rains later, then I’ll take the car.’ In order to reason, we use sentences containing ‘if’ every single day. But how does that work exactly in the Dutch language? Alex Reuneker wrote his 628 page dissertation on the subject. Ceremony on 26 January.

The third and final introduction week at Leiden University is in full swing. Orientation Week Leiden (OWL for short) is giving a record 1,378 new international students the chance to get to know the city and one another. We got the lowdown from the new arrivals at OWLands Festival.

Alumna Louwien Eising is headteacher of Carmel College in Emmen. How have things been during the pandemic? And how has her degree in Education and Child Studies helped her? ‘In the evening I was attending lectures and the next day I was applying what I’d learnt in the classroom.’

Coronavirus is generating a great deal of uncertainty throughout the world. Fortunately, there are some bright spots, such as the residents of Italian cities who are in quarantine trying to keep everyone's spirits up with their clapping and singing. Closer to home, Leiden historian Suze Zijlstra took…

A stable home situation is important for the successful return to society of prisoners. So what is their home situation like? And what effect does it have on reoffending? PhD defence on 16 January 2020.

The Dutch universities as a whole are lobbying for a 'normal' academic year from the end of August, where on-campus teaching will be possible. It's a view that Leiden University shares. Rector Hester Bijl talks about what teaching will be like then. She also looks back on a year of lockdown.

Biodiversity and healthy ecosystems continue to decline in Europe, which has serious consequences for human welfare. These are findings of a report that was formally approved by delegates from 127 governments during a UN plenary in Medellin, Colombia. Leiden researcher Alexander van Oudenhoven was one…

First publication with authors from a Dutch university on the most cited ACM list

In his biography about Professor Rudolph Cleveringa, Kees Schuyt adds to the image we already have of this famous Leiden professor. The overriding focus is generally on Cleveringa’s protest speech against the Nazis, while his later Resistance work carried much greater risks. And we also shouldn't forget…

Leiden University has had a turbulent week. There have been protests inside and outside our buildings that have evoked reactions, and students and staff have felt unsafe. We want with this message to look back at the past week and look forward to the future. What happened and how do we now want to move…

The brightness peak of the ring around M87's supermassive black hole has shifted 30 degrees counterclockwise in a year. This is shown by new images released by the Event Horizon Telescope consortium.

China is a one-party regime, yet elections are held for the local congresses. PhD candidate Wang Zhongyuan investigated how the Communist Party uses this democratic instrument to strengthen the authoritarian regime. PhD defence 31 January.

Scientists have developed a material that breaks one of the fundamental principles governing many physical systems. Ordinary materials transmit external forces equally, no matter where the pressure comes from. The newly developed material breaks this rule and could potentially be of interest in soft-robotics…

Children will be able to return to school in the near future, but students from Leiden University are not that fortunate. For the rest of this academic year, they will attend their courses online. To support one another in this period of isolation, honours students have shared their tips and ideas in…