Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

As of 17 March all PhD defences have been cancelled for the time being in response to measures to control the corona outbreak. Four PhD candidates, however, have since been able to hold their defence, albeit under very special conditions. One of them was Hoko Horii.

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Stefaan Van den Bogaert, Professor of European Law and Academic Director of the Institute of Public Law, is to join the Faculty Board of Leiden Law School as Director of Research and Vice Dean.

eLaw – Center for Law and Digital Technologies has officially launched its participation in AI:Liner, a Horizon Europe project that will transform how Europe manages its aging sewer infrastructure through artificial intelligence and digital innovation.

In a recent publication in Nature Sustainability, an international team led by Josephine Chambers from Wageningen University, and including Marja Spierenburg from the Institute of Cultural Anthropology and Development Sociology at Leiden University, have developed a practical tool for researchers and…

The Social Resilience & Security interdisciplinary programme broadens its scope by embedding two research projects lead by Dr. Joanne Mouthaan. The projects adress suicide prevention skills and mental health of Ukraine refugees. Both projects will be integrated in the programme with the aim to improve…

Tuesday 7 September sees the release of the book ‘Plots stond het Leidse leven stil’ by Charlotte Boin, a freelance writer from Leiden. This book of interviews gives an impression of the turbulent effect of coronavirus on the lives of students, researchers and partners of Leiden University.

The Covid pandemic has had a considerable impact on academics’ work and well-being. They have had much less time to spend on their research. The Young Academy and the Dutch Network of Women Professors have conducted research into how the situation has been for academics. The two organisations have recommendations…

It’s all hands on deck at the moment to resolve the COVID-19 crisis. Researchers from various disciplines are helping where they can, also from the field of artificial intelligence (AI). AI offers great opportunities both at the frontline of the crisis and in its expected aftermath. Leiden professor…

The current COVID-19 vaccination campaign involves injecting the vaccine into muscle tissue, but injecting a smaller amount of vaccine in the skin might also provide good protection. The #wakeuptocorona crowdfunding campaign has enabled Anna Roukens (LUMC) to examine the safety and efficacy of vaccination…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

A coronavirus booster shot provides a better immune response against COVID-19 than a single vaccine dose. mRNA boosters are the most effective upon receiving Janssen. These are the results of a collaborative study between several organisations, including the Leiden University Medical Center (LUMC).…

Today, Leiden University announces who the new Cluster Zuid on the Witte Singel will be named after. Summer 2023, a ballot determined the name of the complex on the former Van Wijkplaats/Van Eyckhof, which is expected to be completed in March. It was already established that the complex would be named…

Seven prominent North Korean exiles will shed new light on the dictatorial state in a conference hosted by Leiden University on 17 and 18 September. All of the speakers once held high-ranking positions in the regime and now reveal its inner workings.

Since April 2023 the current war in Sudan has brought larger death, destruction, and displacement than any other ongoing armed conflict on earth. This dialogue brought together wise thinkers and excellent speakers from academia, civil society, policymakers, and youth to discuss how peace can be brought…

Researchers Indu Khatri, Frank Staal and Jacques van Dongen from Leiden University Medical Center (LUMC) have published a perspective article in Frontiers in Immunology about coronavirus and its characteristic ‘spike protein.’ They predict which antibodies would provide the best protection against the…

The Austria Centre is pleased to welcome Dr. Lena Sadovski as a visiting scholar who will do research at Leiden University for a few months in 2023. We asked Dr. Sadovski a few questions about her doctoral work, her future research and what she wants to achieve during her time at Leiden.

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…

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.

Although Ebola is a virus with significant fatality rates, we still lack effective countermeasures to battle it. To change this, Alireza Mashaghi and his colleagues from the Leiden Academic Centre for Drug Research have successfully developed an organ-on-a-chip model that imitates the most dangerous…

What do you do as a government if you are at a loss? You ask an expert for help. In the seventeenth-century Republic of the Seven United Netherlands, one expert after another popped up to advise one of the many regional authorities. In her Veni project, researcher Anna-Luna Post sets out to discover…

Sara Polak, American Studies expert and University Lecturer investigates how American presidents deal with the media and how new, social media influence our collective memory and the political game. ‘Social media algorithms influence us and our political choices in ways we do not foresee’, Polak say…

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…

Epithelial cells play a crucial role in the lungs. PhD student Ying Wang researched the effects of cigarette smoke and viruses such as COVID-19 on these epithelial cells. ‘We hope to reduce the risk of pandemics in the future.’

The relationship between Iran and Saudi Arabia is worse than ever. According to Iran specialist Maaike Warnaar, it will be difficult to achieve peace in the region if there is no rapprochement between the two countries.

The Faculty of Archaeology used to be involved in several excavations in Syria, before the outbreak of civil war made travel to the region impossible. One of these excavations is the one of tell Hammam al-Turkman, which started in 1981. Student Ruben Hartman, together with archaeologist Dr Diederik…

How do you manage a crisis? This is what Professor of Crisis Governance Sanneke Kuipers will address in her inaugural lecture.

Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

The renovated Arsenal building, part of the Humanities Campus, has been in use since April 2020. The building was officially opened on Monday 13 June by Martijn Ridderbos, Vice-Chairman of the Executive Board, and Mark Rutgers, dean of the Faculty of Humanities.

Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…

Met groot plezier heeft de Universiteit Leiden van 1 tot 4 november het X Congreso Internacional de la Asociación de Hispanistas del Benelux (AHBx) georganiseerd, met het thema Transhispanismos: contactos y contagios (Transhispanismes: contact en besmetting). De AHBx is een platform in de Benelux dat…

Over a thousand researchers and students protested in Leiden on 2 September against the plans to transfer money to science and technology at the expense of other disciplines. Just metres away, Minister of Education, Culture and Science, Ingrid van Engelshoven, was giving a speech at the opening of the…

Leiden researchers have found clues to why a rare pregnancy disorder is mild in some babies but life-threatening in others. Their discovery opens the door to a test that could identify severe cases during pregnancy. Fortunately, a treatment already exists.

Junk news sites with unknown names such as Trendnieuws and Viraal Vandaag reach millions of Dutch people thanks to their Facebook pages. Messages from those pages are much more often shared and liked than messages from pages from well-known news media such as De Telegraaf, NOS and NU.nl. This is shown…

Almost all the western countries were too late responding to the outbreak of Covid. Why was that? Three governance experts, including Leiden professor Arjen Boin, have written a book about the response to the pandemic. ‘Our current system isn’t geared towards identifying and managing a long-term crisis,’…

A Dutch-language video shows children their new life during the corona crisis and gives them some guidelines to help them feel less worried. The short animated video was made by two German researchers with whom child psychologists Anke Klein and Annelieke Hagen are working. ‘With our translation, this…

From the Spanish Flu during WWI to COVID-19: the role of the American government in these Pandemics. Professor Giles Scott-Smith, who together with Dario Fazzi and Gaetano Di Tommaso completed the book project Public Health and the American State, discusses a century of American responses to health…

The research conducted at the Health, Medical and Neuropsychology unit investigates the psychological factors of health and disease, which allows for the development of innovative treatments.

The Dutch museum landscape is among the most forward-thinking worldwide, in terms of innovations in engaging diverse audiences and stakeholders. Building on the museum studies and art history programmes at Leiden University, the Museum Lab explored conceptual and practical aspects of the museum as a…

Within the ICM 2018 project, Leiden University cooperated with 25 partner universities from 14 countries. In total, 97 mobilities were granted to this project - 65 mobilities were realised (some mobilities had to be ended prematurely due to covid-19, others were finished online).

The Institute of Psychology is committed to play a prominent role in teaching and research at the national and international level.

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In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

In recent years, freedom of movement within Europe has come under increasing pressure as a result of transboundary crisis situations. In his inaugural lecture on 22 October, Professor Jorrit Rijpma argues that what is needed is even closer cooperation to provide the best protection.

Raised by his grandmother and grandfather, trained as a doctor, the medical director of a camp for Eritrean refugees: Ephrem Tesfay was anything but a typical student when he arrived in Leiden in 2019. Still, he fit in well with the ‘youngsters’.

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

As a result of the current coronavirus outbreak, almost all of our teaching is done online. However, even before this, several teachers were involved with remote education. Madi Ditmars and Maurits Berger talk about their experiences.

Marike van Aerde was at the brink of traveling to India for fieldwork when that country closed its borders, three weeks ago. Only a few days later, Leiden University followed suit in temporarily banning all fieldwork trips. With her research team scattered across different continents, she does her best…