Our motto is Praesidium Libertatis, or ‘bastion of liberty’. How did it come into existence, and in what way is Leiden University staying true to its meaning? Five questions about our motto.

Six professors and one lecturer from Leiden University have officially been appointed Medical Delta professors or lecturers.

Like last year, the percentage of female professors at Leiden University is 31.2 per cent in the Women Professors Monitor 2023. This puts Leiden University above the national average of 27.6 per cent.

Over the past year, many students and staff members of Leiden Law School have been lauded for their extraordinary achievements. For instance: a grant received, an award won, or an appointment by a special committee. We have combined all these achievements in our Honours Gallery 2022:

Publication by: Vanessa Frodermann, Janine van Duijn, Gijs van Puijvelde, Peter van Santbrink, Max Lagraauw, Margreet de Vries, Paul Quax, Ilze Bot, Amanda Foks, Saskia de Jager and Johan Kuiper. Journal of Internal Medicine. 2016;279:592-605.

The DARE research seminar took place on May 16, 2019 in the Kamerlingh Onnes Building. DARE stands for Dutch Academy of Research in Entrepreneurship (http://www.dare-research.nl) and its members are Dutch researchers in the area of entrepreneurship. Once or twice a year DARE organizes a research seminar…

What do Byzantine fashion, mosaics, fortifications and menas ampullae have in common? Find out the answer at the second edition of a mini exhibition on Byzantine archaeology in the Van Steenis building.

Many children have an unhealthy diet and do not get enough exercise. Sanne de Vries wants to help everyone get a healthy start in life.

On Tuesday 16 April 2019 study association JSV Liberi and the Department of Child Law welcomed alumni of the master’s programme Jeugdrecht to a careers afternoon and alumni evening.

The relationship between academia and democracy is a complicated one. Should policy makers listen to scientists or to citizens? That is the dilemma Valérie Pattyn and Johan Christensen will discuss with a panel of experts during the academic conference EuroScience Open Forum (ESOF).

Whether a microbe is beneficial or harmful to a plant can now be predicted with high accuracy thanks to bacLIFE. This bioinformatic tool with an intuitive interface makes it much easier to unlock the secrets of bacterial genomes. A group of Leiden biologists presented it in Nature Communications.

Leiden archaeologists appealed for help from volunteers to search for archaeological remains on satellite images of Utrechtse Heuvelrug, a national park close to Utrecht. The outbreak of the corona virus made the project a resounding success: in a single month, all 300,971 maps had been examined. 'That's…

Aron is a second-year student of Korean Studies. He was in Seoul as part of the stay-abroad portion of the program when Leiden University took measures due to the coronavirus. He and his fellow students decided to let the last flight back to the Netherlands pass to stay in South Korea.

The changes that humans are making to the landscape are beneficial for mosquitoes that spread diseases such as Zika, chikungunya and dengue. This is what biologist Maarten Schrama and his colleagues write in the journal Nature Scientific Reports. ‘If we know in which living environments mosquitoes thrive…

Scientists at the LUMC are working hard on potential virus inhibitors, antiviral screening and a treatment for COVID-19. SteunLeiden.nl has started a crowdfunding campaign for this research, under the hashtag #wakeuptocorona. Professor of Virology Eric Snijder explains why this is desperately needed…

On the past 6th of October, the Pillar A of the research program me Citizenship, Migration and Global Transformations finally had its awaited kick-off event, which was previously cancelled last spring due to the COVID-19 outbreak.

Academics are increasingly facing threats, harassment and hate speech following public appearances. The Dutch universities – united in the Association of Universities in the Netherlands (VSNU) – is now adopting a number of national measures, from a zero-tolerance policty to psychosocial help for vic…

How are Dutch universities working together in times of corona, and which solutions are they offering? On 15 May VSNU chairman Pieter Duisenberg presented the e-zine ‘Universities in times of corona’ (LINK) to Ingrid Van Engelshoven, Minister of Education, Culture and Science. The e-zine contains a…

Plant communities consisting of many different species are less vulnerable to attacks of plant eating animals or diseases than less diverse communities. It also helps if plant species in one community are not closely related to each other. That is the outcome of an international study published in Nature…

Zijn corona-complotten waanzin? Jelle van Buuren, universitair docent bij het Institute of Security and Global Affairs van de Universiteit Leiden, discussieert in de online talkshow De Groene Live #25 vanuit Pakhuis de Zwijger over dit thema.

The Department of Medical Microbiology of Leiden University Medical Centre (LUMC) will investigate the efficacy of a new experimental vaccine from the pharmaceutical company Jansen against the coronavirus. The research is being conducted in collaboration with the The Janssen Pharmaceutical Companies…

In a joint letter, the Leiden student associations have appeal to students to practise 1.5m distancing and to only meet others if they are fit and well. They urge them to observe the corona rules to prevent a local spike.

The Department of Medical Microbiology at Leiden University Medical Center (LUMC) is researching antiviral drugs that could treat and prevent SARS-CoV-2 in various projects. One part of the PanCoroNed project is being led by Martijn van Hemert and involves lab tests into the antiviral effect of molecules…

Four university medical centres, including the LUMC, are joining forces to increase pandemic preparedness in the Netherlands.

The Business, Technology & Public Policy research group of the Department of Business Sciences at Leiden University focuses on investigating the dynamic interaction between 'new' technologies and various stakeholders, including consumers, employees, and businesses. Our research delves into perceptions,…

The Mathematical Institute has a rather liberal management structure. Tasks and responsibilities are distributed among the staff. Important decisions are taken by consensus. Various organisational divisions are featured below.

This research project from Leiden University looks at the opportunities and threats that flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world.

An overview of awards and prizes granted to our staff and students in 2019, as well as special appointments and royal distinctions.

The people behind the Leiden University Libraries aim to maintain the level of their services to clients as much as possible. They are making thankful use of internet, but not everything can be put online.

The ‘Contagious!’ exhibition was set to open at Rijksmuseum Boerhaave in April but had to be postponed because of the corona crisis. The museum hasn’t been twiddling its thumbs in the meantime. The exhibition will now open on 16 July, and the corona crisis has a major role.

The research group of Eric Snijder, Professor of Molecular Virology (LUMC), has been conducting research on coronaviruses for decades. Then in March this year their work accelerated at an unprecedented rate. The first new results are now available: insight into how the virus replicates.

The coronavirus outbreak raises fundamental questions about the politics and narratives of crisis, as well as about our “ordinary” everyday lives and sociality. Irene Moretti and Annemarie Samuels introduce a collection of blogposts of Leiden Anthropologists reflecting on the pandemic and offer a set…

LCN2 organizes seminars on the last Friday of each month.

After a promising start, also the second pilot of the digital Brightspace skills platform is a success. Third-year bachelor students had thirty new skill modules at their disposal to support them with their research assignment. Despite the additional challenges posed by COVID-19, students that used…

In the CSM-elective ‘Governance of Crime and Social Disorder,’ Dr. Elke Devroe challenges her students to engage in an interactive group role-play on various themes related to the governance of crime. During this exercise, each group of students brings to life a sensitive security topic – such as mass…

Three fundamental research projects at Leiden in physics, chemistry and medical science have received funding from the Dutch Research Council (NWO). They involve research on magnetic fields in the universe, the role of myeloid cells in cancer immunotherapy and the evolution of ancient proteins.

Leiden University will move into the former Ministries in the Wijnhavenkwartier. In this way the Faculty Campus The Hague will eventually grow into a university location for 3500 students.

Publication by: Anouk Wezel, Sabine Welten, Wida Razawy, Max Lagraauw, Margreet de Vries, Eveline Goossens, Martin Boonstra, Jaap Hamming, Ekambar Kandimalla, Johan Kuiper, Paul Quax, Yaël Nossent and Ilze Bot. Annals of Surgery. 2015;262:841-848.

On Friday 13 April 2018, the Department of Child Law of Leiden University was proud to host the international symposium 'Deprivation of Liberty of Children in The Justice System – Towards A Global Research Agenda', organised by Prof. Dr. Ton Liefaard and Dr. Yannick van den Brink.

In an essay Professors Jan Willem Erisman (Leiden University), Chris Backes (Utrecht University) and Wim de Vries (Wageningen University) suggest amending nitrogen policy in the Netherlands. They call for a shift from a deposition to an emissions policy, with sectors responsible for reducing their own…

At the start of the COVID-19 pandemic, researchers from 15 departments at Leiden University Medical Center (LUMC) realised they could do more for patients if they joined forces. This is how the BEAT-COVID group has been able to rapidly gain knowledge about COVID-19, the role of the immune system and…

‘The Hague is rapidly developing to become a knowledge city and Leiden University is making an important contribution to this development.' These were the words with which alderman Joris Wijsmuller opened The Hague Day of Architecture on Saturday 20 May 2017. Wijnhaven was the focal point of the day…

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

Three young MI students have upheld Leiden's honour in the finals of the International Collegiate Programming Contest (ICPC). PhD candidate Ludo Pulles and Master's student Reinier Schmiermann travelled to Russia and came 15th out of 117 teams. PhD candidate Pim Spelier participated in the online contest…

Pancras Hogendoorn bade farewell as Dean of Medicine and Vice-Chairman of the LUMC Board of Directors with a symposium at the LUMC.

Within a month, the Wake Up to Corona crowdfunding campaign had already raised 600,000 euros for corona research in Leiden. The goal is to raise enough money for the LUMC to set up a second laboratory that is safe enough for research into the new virus. The initiative has not escaped the attention of…

With his knowledge of medicine and his decisive action, Leiden professor Sebald Justinus Brugmans saved the lives of many wounded soldiers after the Battle of Waterloo, on 18 June 2015 exactly 200 years ago.

From recurrent oil disasters to the outbreak of contagious diseases or major fires. Public organisations often learn too little from such crises, according to public administration specialist Wout Broekema. Staff frequently fail to communicate information adequately, which means that lessons are often…