Smiling faces, sweltering heat and a record-breaking donation – that was the Leiden Science Run 2025. On Saturday 21 June, the Leiden Bio Science Park turned bright orange as enthusiastic runners completed 4.5 kilometres to support research for vulnerable children.

Last week’s sunny Lowlands festival was not just an occasion for partying and dancing. Visitors were also given a glimpse – as test volunteers – into scientific research. How do you conduct research on fear and silent communication at a festival?

The family of the famous diplomat, sinologist and writer Robert van Gulik has donated his personal archive and part of his collection to Leiden University Libraries (UBL). The collection and archive provide insight into the life and work of Robert van Gulik, who became known to the general public for…

Memorandum of Understanding Signed Between the Child Friendly Justice European Network and Leiden Law School - Child Law Department

Sustainable biotechnology, new insights into genome evolution and combining forces in mathematics. The NWO has awarded grants to these three innovative Leiden research projects in the ENW-M Open Competition.

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

What opportunities does uncertainty offer with regard to innovative behaviour of professionals and what role does leadership play in this?

A true shower of awards for students from the Faculty of Science during the annual KHMW Young Talent Awards ceremony. On Monday, 25 November, no less than nine first-year students received a prize for the best academic results in their first year. In addition, there were graduation prizes for master’s…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

On 17 June, primary school pupils in Leiden will get the chance to explore science in an interactive and engaging way. The exciting new show ‘Wetenschapswonders’ is the initiative of master’s students Boele Visser and Ilse Hordijk, from the Rino Foundation. ‘I’m happy to help build a bridge between…

Helping industry to spot dangerous and climate-harming gas leaks faster, cheaper, and more reliably than today’s tools: that's what Leiden University and BigCircle Ventures set out do in a new spin-off company.

A delegation from Xi’an Jiaotong University visited Leiden University on 25–26 March, celebrating ten years of cooperation in education and research, and exploring new opportunities for future collaboration.

How can we sustain dialogue on a deeply divisive issue within our university community? On 16 February 2026, Leiden University hosted "Between the River and the Sea: An Evening with Yousef Sweid", marking the launch of the second season of the student-produced Radio Palestine/Israel podcast.

Stefaan Van den Bogaert, Vice Dean of Leiden Law School was delighted to announce on 29 March 2023 that the faculty has awarded research funding to all applicants for starter grants.

He studied Dutch Studies, did Dutch literature research for his internship, and worked at HEMA: Hungarian Márton Biró (26) came to the Netherlands on exchange and decided to stay.

On December 4, 2024, Prof. dr. Sarah Cramsey gave a short lecture before a film at the Czechoslovak New Wave Film Festival in Rotterdam. The festival was expertly organized by Ms. Hana Schenkova, the Director of the Czech Centre in Rotterdam, and featured more than a dozen films from Czechoslovakia…

To mark Leiden University’s 450th anniversary, this exhibition pairs historic photographs with contemporary research. Seven ‘Then & Now’ diptychs show how the Institute of Physics blends a rich past with cutting‑edge science.

The field of artificial intelligence has developed rapidly in recent years. We spoke with Stephan Raaijmakers, professor by special appointment in Communicative AI, about the impact of artificial intelligence and why everyone should pay more attention to developments in this field.

Festival

Op woensdagmiddag 17 mei vindt een groot evenement plaats, waar alle Leidse onderzoekers kunnen kennismaken met de interdisciplinaire stimuleringsprogramma’s om samenwerkingsmogelijkheden te verkennen. Waarom is dat ook voor jou interessant? We geven vier redenen.

We talk to Justin, who was diagnosed with Bipolar Disorder type 1 over 14 years ago. Justin is very candid and talks about his first manic episode at the age of 28, and how he learned to live a stable life. Justin is doing well, and he owes this in particular to his own perseverance. What do you experience…

Amorphophallus decus-silvae, or the ‘penis plant’ as it is known, has just flowered at the Hortus botanicus. It flowered for two days, and then the pollen, which the male flowers produced was collected. As far as the plant experts at the Hortus can tell, this was just the third time that this species…

Soon you will have graduated, and then what? Maybe you've been dreaming of becoming a psychologist for years, but don't want to know where to start. In this episode, clinical psychologist and lecturer Sepideh Saadat tells you how to go about it.

Eating fewer carbs, moderate amounts of protein, and more fats — welcome to the ketogenic diet! While a ketogenic diet can have various effects on body and mind, did you know there are different types of ketogenic interventions? In this episode, Eline Dekeyster shares more about this topic.

Course

As coordinator and lead promoter respectively of the Leiden Healthy Society Center, psychologists Sandra van Dijk and Anke Klein use interdisciplinary collaboration to resolve the major health problems of the present day. How are they going to do that in the coming period?

Workshop

Workshop

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…

Course

Would you like to organise a session during the biggest multidisciplinary event in Europe - the EuroScience Open Forum (ESOF) conference - to be held in Leiden from 13 to 16 July 2022? If so, send us your proposal! Archaeologist Corinne Hofman is one of the driving forces behind the conference and…

Leiden researchers from different disciplines look together at complex social problems. What happens when they join forces with artists? The results could be seen on Tuesday 11 June during a unique exhibition. Take a look for yourself:

Presentations, city tours, themed cafés and information fairs − there was plenty to discover on the Bachelor’s Open Day last Saturday. Around 6,000 prospective students and 4,000 parents visited faculties in Leiden and The Hague to soak up the atmosphere and imagine how it would be to study at Leiden…

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Opportunities and challenges of digitalisation, the platform economy, and flexibilisation of European labour markets.

Conference

In the academic world interest in interdisciplinary research is growing. It can help to solve the big challenges of our times. But starting a research project that covers several disciplines is not always easy. This was one of the conclusions at a Young Academy Leiden (YAL) symposium. What are the c…

Whom do you ask for permission to conduct research at a primary school? And how do you collect data in countries where freedom of expression is under threat? This is what staff directly involved in the – often complex – process of research ethics recently discussed at a meeting, with the aid of some…

Our university labs are bursting with cutting-edge research, but how do you commercialise these inventions and discoveries or translate them into outcomes that benefit society? Professor of biological chemistry Nathaniel Martin started a spin-off company with his team. ‘When it comes to valorisation…

How do we balance policy critique with constructive policy recommendations? How do we navigate power relations between policy makers and (disadvantaged) communities, without estranging either? And what are particularly productive methods for translating our medical anthropological insights into poli…

With the number of externally funded research projects at the university on the rise and funding bodies setting ever-stricter requirements, it can be challenging to keep track of budgets, deadlines and reporting. The new Vidatum tool makes managing external projects easier for researchers and research…

The daisy has been crowned the Netherlands’ national flower. Rogier van Vugt, Head of Horticulture at the Hortus botanicus, explains why the daisy merits its elevation to national symbol.

Alumnus Ben Smulders has worked for the European Commission for the past 33 years. ‘The discipline and depth that I experienced during my student days has helped me through various stages of my professional career.’

Leiden Law School is pleased to announce that Professor Ursula Kilkelly, School of Law, University College Cork, Ireland, will visit Leiden in academic year 2022/2023 as Rotating Honorary Chair ‘Enforcement of Children’s Rights’.

Izra ter Weer's mother had studied English Language and Culture in Leiden and was always so enthusiastic about her studies that Izra decided to follow in her footsteps. After completing a Master's degree in Linguistics, she now works as a consultant at strategic consultancy firm Sprenkels and organises…

Axite, a start-up rooted in research at Leiden University’s Faculty of Social Sciences (FSW), receives €350,000 from UNIIQ for the further development of NeuroJournal: a platform that uses an EEG headband and smartphone app to provide long-term insight into brain activity outside the laboratory.

Over a century ago, Alexandra van Elroy's great-grandfather left for Japan, where her grandmother was born. Together with her mother, Maaike van der Loon, she reminisces about her family history, through which a key thread is the study of Japanese and Chinese.