A large new campus square on the Leiden Bio Science Park will be used for a range of activities for students, staff and Leiden residents, a knowledge festival, shows and sporting activities, for instance.

Matthijs van Leeuwen of the Leiden Institute of Advanced Computer Science develops methods to make computer models interactive. With interactive models, experts can combine information from raw data with their own knowledge to make predictions more accurate. 'In this way we hope to build models that…

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

30 July is the International Day of Friendship. The student years are a time when many close friendships are formed, and a surprising number of them last a whole lifetime. Two of our alumni share their stories about a special friendship.

Marine Le Pen, an immensely popular French politician, has been found guilty of misappropriating EU funds and is barred from running for public office for five years. Wim Voermans, Professor of Constitutional Law, commented on her conviction in ‘Bar Laat’.

Politicians from Forum voor Democratie (FVD) regularly retweet anti-Semitic accounts. They therefore promote players from a social media network in which anti-Semitism is commonplace. This ranges from conspiracy theories about George Soros to hate speech about Jewish people drinking children’s blood.…

The International Institute of Air and Space Law was delighted to host the 14th edition of the Leiden-Sarin International Air Law Moot Court Competition – for the first time – in Leiden! After three years of online mooting owing to the pandemic, this year’s competition was held again in person.

The third edition of the Krijn Rietveld Memorial Innovation Award was won by Anne Dirkson, former LIACS PhD student. During her PhD she researched the automatic collection of patient experiences from online forums. ‘With this work, Anne has shown how the exchange of knowledge between medical professionals,…

At the International Online Conference 'Fair Medicine and Artificial Intelligence' organised by the University of Tübingen (Germany), Hadassah Drukarch, junior researcher at eLaw, gave a presentation on how current algorithmic-based systems may reinforce biases in healthcare. This topic forms part of…

In the week of 22 May, a delegation of the Faculty of Science visited Indonesia to strengthen the cooperation with the Universitas Gadjah Mada, the Universitas Indonesia and the Kebun Raja (botanical garden) in Bogor. Furthermore, the delegation visited the faculty of Pharmacy of the Institut Teknologi…

What is dark matter? How do supermassive black holes form? ‘Primordial’ black holes might hold the answer to these long-standing questions. Leiden and Chinese cosmologists have identified a new way in which these hypothetical objects could be produced just after the Big Bang. Publication in Physical…

What is the relationship between democracy and peace? Do the two go hand in hand, so that less democracy means less peace? Or can democracy work against peace: for example, by producing protectionist and militarist governments? Or is there something more deeply wrong with democracy as we know it, such…

You’re about to start your minor at Leiden University. Make sure you are well prepared and get your studies off to a good start.

The underwater world around present-day Indonesia has changed greatly in recent centuries as a result of human activity. University lecturer Johannes Müller has been awarded an NWO XS grant to map the history of the Indonesian ecosystems.

Do you want to show that sustainability and business can work well together? And are you ready for a challenge? If so, you can sign up for the Sustainable Business Battle, a six-week business case challenge in which teams of students help companies find innovative and sustainable solutions.

Leiden University celebrates its 444th anniversary in 2019, and a special age requires a special logo. The logo for the celebration was designed by Clara Lezla, a student at the Royal Academy of Art The Hague.

Thirteen Leiden University exchange projects have been awarded an Erasmus+ International Credit Mobility grant. The total award of around 450,000 euros will enable 103 students and staff to go on an exchange.

Discover the unique Vital Interests course in the BSc Security Studies programme, featuring an inspiring session on climate diplomacy with Dutch UNFCCC negotiators.

Anar Ahmadov is one of eleven Leiden University researchers that have been awarded a Vidi grant by the Dutch Research Council (NWO). The 800.000 euro grant enables Ahmadov to start his own research group on western institutions, finding answers to the question: do they promote or preclude democracy?

Corrie Bakels is known as one of the founders of bio-archaeology in the Netherlands. One of her former students, Dr Marco Langbroek, active in astronomy, made a request to the International Astronomic Union to name a recently discovered asteroid after her. Hearing the news, Bakels was astounded. 'My…

2,240 plant extracts from 1,299 different plant species of Dutch origin. That’s the collection of the Dutch Extract Library, which has recently been transferred to the Institute of Biology Leiden. To plant biologist and contact person for this library Pingtao Ding this is a true treasury. ‘To bring…

The American historian and Japan specialist Carol Gluck is the new Leiden Cleveringa professor for the 2014–2015 academic year. On 26 November 2014 she will give the Cleveringa inaugural lecture, in which she will examine how World War II is commemorated in Asia.

Morning yoga, having your resumé checked at the information market, or dancing for inclusiveness: just a small selection of the activities of the first Science PhD Day on Thursday 18 April. Around 120 PhD candidates from all eight institutes of our faculty attended the day. 'A great success', according…

What’s the right dosage of medication for children? Assistant professor Elke Krekels and her colleagues discovered that for some medicines, you can determine this quite simply. On 13 April Krekels received the TOP-Publication award during the annual spring meeting of the Dutch Society for Clinical Pharmacology…

Thursday 1 October, Humanities Lab hosted the second edition of the Humanities Lab Cafe; this edition’s theme was migration. Professors Leo Lucassen and Piet Emmer were invited to offer the audience their points of view, after which there would be time for a discussion with all those present. At half…

On July 28, 2022, our dear colleague Daniëlle Hamstra passed away after a short sickbed. Daniëlle had been associated with the Clinical Psychology Section since 2010, initially as a student in the research master's program and subsequently as a lecturer and PhD candidate.

A memorable farewell symposium and a royal distinction: Professor Joke Bouwstra could not have completed her career at Leiden with more pleasure. On Friday, 14 June, she received a Royal Honor from Leiden Mayor Peter van der Velden, who appointed Bouwstra as a Knight in the Order of the Dutch Lion for…

Marc Koper, Professor of Catalysis and Surface Chemistry, has been elected as President Elect of the International Society of Electrochemistry (ISE). He will be President Elect for two years starting January 2019, followed by two years as President and two years as Immediate Past President.

On Thursday May 11, medical anthropologists from Leiden University organized a festive opening of their new network, the Leiden University Medical Anthropology Network (LUMAN). In August 2022, these Leiden-based scholars started gathering and organizing this new network with two main goals, namely to…

At Leiden University College, Jaap de Hoop Scheffer urged Europe to show unity and strength in a world defined by fear, power politics, and uncertainty.

On 21 April 2016, Leiden University College The Hague, in collaboration with The Hague Institute for Global Justice and the T.M.C. Asser Institute, hosted a book launch and panel discussion for Dr. Joris Larik’s new monograph “Foreign Policy Objectives in European Constitutional Law”, which has recently…

On 27 June 2017, Daniel Dimov will defend his PhD dissertation “Crowdsourced Online Dispute Resolution”. The defence will commence at 16.15 hrs, in the Academy Building of Leiden University, Rapenburg 73. The supervisors are Professor H.J. van den Herik and Professor A.R. Lodder.

Ioana Moraru is in charge of organising the International Criminal Court Moot Court Competition in The Hague, one of the largest competitions in International Criminal Law worldwide. Registration for the upcoming edition just opened. A good time to ask her a few questions.

On May 13 2022, Frans W. Saris will present the third of a series of "Hello World!" lectures, organised by the Media Technology MSc program of Leiden University. In his lecture titled "Computer Modeling to Save the World", Frans Saris addresses three alarming crises: energy and climate, biodiversity…

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

He is said to be one of the greatest living statisticians. Bradley Efron gave a lecture in Marekerk and opened LUXs, the Leiden University Center for Statistical Science, the first university statistics centre in the Netherlands.

The emergence of 'illiberal democracies' and the protection of human rights in Europe.

A new discovery proves that it matters which approach researchers take in analyzing large physical, social or biological systems that have a networked structure. Ever since the early 1900s, scientists have assumed each approach is equivalent. Now many results in statistical physics may no longer hold.…

The Second World War is a never ending experience for those who lived it. This is what Cleveringa professor Carol Gluck and her students concluded following a critical reading of ‘De Aanslag’ by Harry Mulisch. Mulisch’s novel took centre stage in Gluck’s Honours seminar.

Missing legends, illogical connections or three-dimensional graphs. There are many ways in which data can deceive. Five students took up the fight against misleading statistics. Their lesson series can now be found online.

A new series of webinars, the Cleveringa Dallaire Critical Conversation Series, begins on 22 September. In this series of online conversations, expert panels from Leiden and abroad will talk about leadership and moral dilemmas in times of conflict and crisis. The series is open to all.

World War II is never over for those who have lived through it. This is the conclusion of Cleveringa Professor Carol Gluck and her students after reading The Assault (De Aanslag) by Harry Mulisch. The book played a central role in Gluck’s honours course.

The Leiden Law Blog is celebrating its first anniversary. The blog attracts many visitors and scores well in Google. Tips for bloggers: link to previous blogs, post them on social media and respond to comments.

Former dean and physicist Frans Saris writes in his new book ‘Darwin’s combination lock’ how our culture enabled us to dominate nature and about the corresponding responsibilities. Together with Joris Berkhout he will talk about his book during the This Week’s Discoveries on 27 February.

A TikTok by student Loïs de Jong from Leiden University in which Leiden sparkles as a student city won the final of the Leiden Media Contest on 13 June. According to the jury, the film was ‘the most appealing for today’s generation of current and prospective students – it includes nearly all elements…

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

With the childcare benefits scandal in the Netherlands, certain interests in society were hidden for long to politics and governance. With the farmers’ protests, on the other hand, the major economic and political interests at stake were hidden for long to society. In her inaugural lecture on 16 September,…

The European Football Championship for Women, in the Netherlands this summer, is the background for a large and innovative data research project. The Dutch football union is working together with Leiden University and Sportinnovator. The research is expected to uncover links that have thus far remained…

A team of researchers based at Leiden has taken over the editorship of the journal Global Governance: A Review of Multilateralism and International Organizations. For the first time, the journal will now be based outside the United States. The new Editor-in-Chief, Associate Professor Alanna O'Malley…

A record number of 417 PhD candidates defended their theses in 2016. How many of these were cum laude? What were their propositions? The advantage of dirty nappies, for example. Read about the facts and figures on PhD defences in 2016.