Three decades ago, cyber-diplomacy did not exist. The interest in Information and Communication Technology (ICT) as a vector of change in international relations was limited to a few mostly technical organisations, and a restricted number of states.

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

Six alumni of the Crisis and Security Management – Governance of Crisis master’s programme shared their experiences and career advice with students on 15 October, during a panel discussion.

Nationalism is so prevalent in our society that we hardly realise it once didn’t exist. In his new book, senior university lecturer Eric Storm reveals the global history of the phenomenon. ‘Nationalist movements have always influenced each other.’

Dr Cátia Antunes, lecturer in economic and social history, Leiden University Institute for History, and Dr Stijn Bussels, who will come to Leiden in 2012-2013 to join the Leiden University Institute for Cultural Disciplines, have been awarded an ERC Starting Grant for their excellent proposals. The…

Doing a PhD can be challenging. Moving to a foreign country can be challenging too. PhD candidate Ilya Kokorin, who was born in a small town in Siberia, faced both, while at the same time having to overcome a number of additional challenges and build a future post-PhD.

After an extremely painful conclusion, the Western allies have left Afghanistan and the Taliban have regained supremacy. How will Afghanistan move forward, and what does the departure mean for global relations? Rob de Wijk, emeritus Professor of International Relations and Security, analyses the failure…

Now that university buildings have closed, most staff members have started working from home. How are Faculty of Science colleagues faring in their new offices?

It may not seem necessary to install special tap water stations in University buildings, but it is very useful: every tap here also means a tap in a developing country. With the the 35 tap water stations that Leiden University installs, the slum area of Madoya in Nairobi will soon have clean drinking…

Hiltje Cleveringa seemed moved when on 16 January she was given the first copy of the biography of her father, Rudolph Cleveringa. Peppering his speech with a few cliff-hangers – including an incident concerning Churchill – biographer Kees Schuyt encouraged his audience to actually go read his book.

‘Een goed gesprek begint met iemand écht zien.’ (A good conversation starts with truly seeing someone). That text is written on a plaque that was screwed onto a IK Z1E J3 (I see you) bench on the Wijnhaven Rooftop Garden on Monday morning. The bench acts as a symbol to create room for discussions about…

University lecturer Laurie Cosmo, having grown up in New York, came to the Hague from Rome, Italy, where she fell under the spell of the Kunstmuseum. ‘I loved the building even before I worked at Leiden University.’

Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

Professor Tom Lubensky from the University of Pennsylvania is visiting Leiden University as the 64th Lorentz Professor at the department of Theoretical Physics. He is a pioneer in the field of theoretical soft matter physics and winner of the prestigious Buckley Condensed Matter Prize. We spoke with…

On 14 September the second ‘Labour Day’ (Dag van de Arbeid) event took place: the career afternoon of the BA in Russian Studies and MA in Russian and Eurasian Studies in Leiden. Fifty Dutch and international students gathered in the Lipsius Building to talk with experts in the area of Russia and Eastern…

When it comes to literature, people mostly talk about what characters see or hear. Rarely is it about what they smell. That’s a shame, thinks university lecturer Jan van Dijkhuizen. He has been awarded an Open Competition grant from NWO to expand academic knowledge about scent in literature, and to…

SRON Netherlands Institute for Space Research is moving. In 2021, the Utrecht branch will settle in South Holland. Assistant professor at TU Delft, Akira Endo leads a project that builds a state-of-the-art instrument for astronomical research. ‘SRON is the key to go from proof-of-concept to a science-grade…

Today Mikhail Khordorkovsky visits the Leiden University Campus of The Hague to debate with students about the future of Russia. It is the first time this critic of Putin and former captain of industry visits the Netherlands. This event has been organised by the organisation Raam op Rusland and the…

Using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, researchers at Leiden Observatory in the Netherlands have for the first time detected dimethyl ether in a planet-forming disc. With nine atoms, this is the largest molecule identified in such a disc to date. It is also a precursor…

Although sugars are widely used in biological and medical research, their synthesis is still badly understood. Jeroen Codée has received a Vici grant of 1.5 million euros for systematically studying the production of sugars. ‘I want to genuinely understand the reactions.’

On 25 February more than 6,500 prospective students will visit the Open Day to learn more about programmes in Leiden and The Hague and to get a taste of student life. Have you signed up yet? Five golden tips to make your Open Day a success.

It may well be the best tradition in Leiden: immortalising your name in the ‘Sweat Room’ after receiving your diploma. But is it really immortalised? The names were at risk due to crumbling plaster. Fortunately, a crowdfunding project was able to save this beloved ritual.

Students held a bake sale to raise money and gain attention for the earthquake in Turkey and Syria.

Professor Johan Rooryck will be examining cognition and core knowledge systems and how possession is expressed in different languages. Rooryck and fellow researchers have been awarded two NWO grants totalling 2.75 million euro to carry out two research programmes: 'Knowledge and Culture' and 'Lend me…

Thinking up solutions for global issues such as environmental pollution and poverty. This is what young people from all over the world will be doing at the One Young World summit from 17 to 20 October in The Hague. Follow Leiden students Jennifer Pfister and Thomas Gevers who will be reporting on their…

Wat betekent het om alumni te zijn aan de Faculteit der Rechtsgeleerdheid? Naast een maandelijks blad en een groot netwerk organiseert de faculteit ook jaarlijks het alumni-evenement ‘Leiden Revisited’. Wie zijn deze alumni en waarom blijven zij graag actief?

How can you solve equations that define not ‘just’ curves, but also two-dimension surfaces or even higher-dimensional objects? That’s the big question that mathematician Martin Bright and his team will be trying to answer. They’ve received a NWO Science-XL grant of 2.8 million euros.

Lifelike gods, provisional professors and the city militia with weapons a clanking. Leiden put on a colourful procession and drummed up hundreds of citizens to celebrate the foundation of the first university of the Republic of the Netherlands on 8 February 1575. 'It wasn't a party just for the sake…

In haar boek ‘Diensten met geheimen’ vertelt Willemijn Aerdts hoe de AIVD en MIVD te werk gaan. En ontkracht ze ook een paar mythes.

Patients with certain diseases discuss their experiences and support one another on specialised internet forums. With the right data-science methods, these forums can be a goldmine of information for researchers. PhD candidate Anne Dirkson is researching these methods.

In dermatology, there should be a high level of multidisciplinary collaboration among institutes and specialists, Professor of Translational Dermatology, Robert Rissmann, will say in his inaugural lecture on 8 July. He is building an infrastructure that will put pre-clinical and clinical skin research…

The buildings are closed and all classes have moved online: these are strange times for students at our university. And for international students, it is even more complicated. They are here without their friends and family, and had to decide whether to stay here or return home. Three of them share…

During his PhD research, mathematician Tyron Lardy worked on a new approach to hypothesis testing. Instead of the traditional p-value, he uses so-called e-values. These turn out to be more flexible – especially when you want to look at your results midway through the study.

The nominees for the IRO thesis prize 2021 and for the Prof. Dr. J.Th.J. van den Berg prize 2021. Who wrote the best Political Science bachelor’s theses?

Black-and-white photographs filled with solemn young men and distinguished professors line the walls of the Grand Auditorium. Young women are missing from the photos; women rarely obtained PhDs 50 years ago. And this article is about that group, the PhD candidates between 1966 and 1972, who were invited…

Lindsey Boosten followed her passion by combining the study of aviation and law in the Advanced Master in Air and Space Law in Leiden. It turned out to be a great choice: ‘It was one of the best years from my student days.’

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

The Hague Program for Cyber Norms organises the second conference of an annual series to encourage academic diversity in the study of cyber security. The theme is 'Dealing with Uncertainty'. The conference will take place in The Hague on 5 and 6 November 2019. Deadline submission of extended abstracts…

Last Saturday, the Turfmarkt in The Hague, where during the week thousands of commuters make their way to the many ministries in the city centre, was seething with future young students. It was the Bachelor's Open Day at Leiden University, which took place physically both in Leiden and The Hague. A…

It would be better for students and organisations if internships lasted longer than two months and could be part-time. This was one of the suggestions at Leiden University Meets/Needs Employers on 27 June 2017.

Researchers from the Institute for Science in Society (Radboud University Nijmegen) and CWTS (Leiden University) organized a workshop on the use of IT Tools in academic publishing on 5-6 June 2018.

Besides the project Conference and Winter School, the Food Citizens? research has profiled in numerous societal and interdisciplinary venues, online and offline, over the last year. Here is a brief summary with linked online resources.

How do you know if your idea has succeeded? The Queen coming to call a year and a half later might just be a clue. This happened to the Leiden student foundation ‘Door Het Geluid’, which promotes student well-being.

Nelson Mandela, former President of South Africa, who died on 5 december 2013, received an honorary doctorate from Leiden University in 1999. Mandela’s response was modest: ‘It is not a personal achievement. It is a tribute to all those who emerged from underground, from prison, from exile...’

An anatomical model of a heart, a mechanical digger or photos of mother and grandmother. Research interests and personal motivations have been given a place in the thirteen new portraits of women now on display in the Senate Chamber. ‘That cat isn't just a cute lap cat.'

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

Imagine we could convert the greenhouse gas CO2 into synthetic fuels using sustainable energy. This would enable us to reduce the amount of CO2 and at the same time store wind and solar energy in an innovative way. Chemist Akansha Goyal (Leiden University) is conducting fundamental research to make…

He came to the Netherlands for three months and never left. Marcello Bonsangue is the new scientific director of the Leiden Institute of Advanced Computer Science (LIACS) since January this year. 'I think it is important to be there for the people of our institute. My door is always open.'

In a fiery Annie Romein-Verschoor lecture, Sylvana Simons opened up about her experiences as a woman in politics. The leader of the BIJ1 party is regularly the subject of belittling comments and threats. Writer Aafke Romeijn, who reflected on the Simons’ lecture, has also been threatened frequently…