There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

Lecture

PhD defence

Conference

Conference

Lecture, European Union Seminar

Lecture

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

This was the programme for The Knowledge Orchard 2025:

On this page you will find all information about the Bachelor of Security Studies that you need as a first-year student.

LCN2 hosts seminars on the last Friday of each month.

PhD defence

PhD defence

Lecture

Lecture

Cosmopolis seeks to explore the transnational and cultural dimensions of intra-Eurasian encounters through Dutch sources.

PhD Research Projects:

Study information

Lecture, Tuesday Talk

Lecture

Lecture

Lecture

Conference

PhD defence

Lecture

Conference, Workshop

It is fifteen years since the first issue of The Hague Journal of Diplomacy (HJD) in 2006. To mark the occasion, we put together an editorial on where diplomacy, diplomatic studies and HJD might be going.

What causes depression in a child and how can they get over it? Leiden Professor of Psychology Bernet Elzinga and behavioural scientist Carine Kielstra recently hosted a webinar on the subject of depression in teenagers. The level of interest was overwhelming.

Street theatre, drama, poetry and a lot of science: Leiden's Rapenburg was the backdrop for the fifth Night of Art and Knowledge on Saturday 16 September. Many University buildings - from the Observatory to the Hortus - opened their doors to artists, scientists and a public curious to know more.

It is a holy grail among behavioural scientists: can you predict how close a group will become? An international research team from Leiden, Oxford and Helsinki has investigated the development of friendships within the Leiden student association Augustinus and obtained some remarkable results.

We know from national and international research that many students struggle with psychological problems. How about students in Leiden? Leiden University's Student Well-being Taskforce wants to see more research and has also come up with some advice, ranging from personal buddies and digital support…

Better supervision of PhD candidates, clear guidelines on career paths and an MRI scanner that can be accessed by all researchers: these are the recommendations from the new self-evaluation. Colleagues say: ‘This forces us as an institute to formulate our mission and vision more precisely.’

‘Am I setting a good example myself?’ Hanneke Hulst wonders. As Recognition and Rewards project leader, she maintains that we should stop expecting researchers to be experts at everything, even though she herself keeps a lot of balls in the air.

Nineteen researchers who have recently been awarded their PhD are to receive a Veni grant of up to 250,000 euros. Science funding agency NWO has awarded a total of 158 Venis in this round; Leiden University's share of the awards is 12 percent.

A new bill is currently under debate in the Netherlands, advocating raising the prison sentence for manslaughter from 15 to 25 years. ‘This very serious crime (...) evokes feelings of disgust and insecurity in society’, Dutch Minister for Justice and Security Grapperhaus comments on the sentence that…

From medicines from snake venom to supercrops and the origin of words. Thirteen researchers from Leiden University will receive Open Competition XS grants from the Dutch Research Council (NWO).

Medici kunnen veel repareren, maar ziekte voorkomen of uitstellen is beter. Daarvoor is vaak leefstijlverandering nodig en dat blijkt lastig. Gezondheidswetenschappers Sandra van Dijk (Universiteit Leiden) en Valentijn Visch (TU Delft) doen onderzoek naar de vraag hoe je mensen kunt helpen met gedragsverandering…

The postwar Liberal International Order faces grave challenges today mostly in the form of geopolitical competitions among great powers and exclusionary identity politics unfolding across different countries.

Various researchers from Leiden University have been awarded NWO (Dutch Research Council) Open Competition funding. Nine social sciences and humanities projects will receive the funding.

A new year that will bring all sorts of developments in the world of research. What are the new year’s resolutions in social sciences research at our faculty? What unites us, and what exciting developments do we anticipate?

For fifteen years, Recep Uysal carried out research on positive psychology in Turkey; it is even the subject of his PhD. That was until he had to flee Turkey and start again from scratch in the Netherlands. Re-entering the academic world was a challenge, but he rediscovered his love for the field in…

Career and apply for jobs

The slogan of the Faculty of Archaeology, ‘The Future of the Past starts at Leiden University’, might sound like empty marketing speak. But there is something to it. The past can teach us a lot about climate change and that could make us fear the worst for our future. Archaeologist Gerrit Dusseldorp…

On 8 March, International Women’s Day, equal opportunities for women worldwide, empowerment, and gender equality take centre stage. For years, the role of women in the past has been nearly invisible. Four archaeologists reflect on this inequality of focus, from hunter-gatherers in the palaeolithic to…

So much has happened this year! 2023 was an eventful year in which several wars raged about which our experts could offer interpretation. It was also the year in which the government made apologies for the slavery past. Leiden humanities scholars were at the forefront of this with their research on…

What influence do children’s upbringing and education have on their world view? This is the question Professor Judi Mesman is trying to answer. For her research and public outreach activities, she has just been awarded the prestigious Stevin Prize, the highest award in the Netherlands for a researcher…