Can we reshape school playgrounds through data and design? By using AI and wearable sensors, data scientist Maedeh Nasri discovered ways to create environments where children, including those with ADHD and autism, can connect, play, and grow.

Study information

Political scientists study topics that affect society, but their work often remains out of the spotlight. Not always: the research of Leiden political scientist Simon Otjes does have a visible impact.

In prehistoric times there was a huge wave of migration, from the steppes in Russia and Ukraine to West Europe. The newcomers’ genes began to dominate. Archaeology research in Leiden into burial mounds in the Veluwe and Utrechtse Heuvelrug areas of the Netherlands yielded this spectacular conclusion.…

The International Course on Water Use and Management in Cagayan Valley The Philippines (2011-2015)

A Preventive Intervention Team that investigates children with behavioural problems and trains their social skills in order to prevent school dropout and other, more serious problems. This is a strategy that Leiden University and the municipality of Amsterdam have been using for several years already,…

Een internationaal consortium onder leiding van Olaf van Vliet heeft een Horizon Europe subsidie van 3,4 miljoen euro gewonnen. In het onderzoek staat centraal hoe wereldwijde sociale veranderingen zoals migratie, digitalisering en de klimaattransitie de arbeidsmarkt beïnvloeden en wat daar de gevolgen…

At Leiden University we offer our students countless options to develop socially and personally outside the classroom.

Fascinated by science since high school, Alireza Mashaghi Tabari is driven to explore new ways of thinking in medicine. With a strong academic network, he educates students and gives public lectures. For his research at LACDR, he won the C.J. Kok Public Award 2018, making him the Faculty of Science's…

Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).

In-use stocks of products can be considered as intermediaries between human needs and the physical world.

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

The Advisory Committee on Public International Law (Dutch abbreviation CAVV) is an independent body which provides the government and parliament of the Netherlands with advice, both solicited and unsolicited, on issues related to public international law.

PhD student Wen Yang discovered how certain cell receptors in E. coli bacteria signal 'smells'. With the use of ice-cold electron microscopy microbiologists from Leiden gain more insight into how bacteria respond to their environment. Publication in mBio.

Why are mycobacteria such successful pathogens? And are there defence mechanisms in the body that help reduce an infection? To find out, Annemarie Meijer has been awarded the NWO Open Competition ENW-XL grant. She will not explore this quest alone. Five other leading Dutch research groups are participating…

Didactics, Career development

The ISSC's ICT helpdesk receives dozens of questions from staff and students every day. A collaboration between TNO, LUCL and the ISSC aims to determine whether a specially designed chatbot could provide support in this area.

How can theories about modern disinformation help to understand how Roman documentary fictions functioned?

On Tuesday 30 September 2025, PhD candidate Jonathan Collins will defend his dissertation A Wolf in Sheep’s Clothing: A Mixed-Methods Analysis of the Far-Right Alt-Tech Social Media Movement in Leiden’s Academy Building. His work examines the communication dynamics of far-right communities on alternative…

In a one-hour interview on Dutch radio programme Sleutelstad, Anne-Laura van Harmelen talks about her research into the role friendships in adolescents' well-being, the resilience paradox and the role of social, hormonal and genetic factors in stress-levels and resilience.

Access to education for people from the lower socio-economic class has improved immensely in Europe from the 1950s onwards. Yet the Roma and Sinti were unable to reap benefits from this. PhD candidate Anita van der Hulst researched why so few Roma and Sinti went on to higher education. PhD defence on…

Late June EP Nuffic awarded a capacity building project in the field of Transnational Law, Asset Recovery and International Investment Arbitration at the Faculty of Law at Universitas Indonesia in Jakarta. The successful consortium brings together experts from VU University Amsterdam, Leiden University…

With inflation skyrocketing, more and more workers are willing to take action for better working conditions. From regional transport to municipal officials, and from healthcare staff to pharmacy workers, it’s one strike after another in the Netherlands.

Africa is fascinating! In today’s globalised world, the continent plays an increasingly important role in international, social and cultural developments. Would you like to explore the many sides of Africa and its impact on the rest of the world, while also learning one of its languages? Our African…

Instant messaging app Telegram is not faring well in the news – the reason being the illicit activities occurring on the platform. Professor Bart Custers helped Dutch current affairs programme ‘EenVandaag’ respond to questions about the platform.

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

Misleading social media posts are falsely claiming that the Dutch supermarket chain Jumbo uses facial recognition at self-service checkouts. Jumbo denies this, although it has launched trials with AI cameras to combat shoplifting without using facial recognition.

One in two people will be diagnosed with cancer. World Cancer Day on 4 February raises awareness of the impact of this devastating disease. Leiden University is conducting various studies aimed at preventing and controlling cancer. Below are just a few examples.

How can the emergence of primary justice systems be facilitated and furthered?

Cancer is one of the main causes of death in the Netherlands. Leiden researchers are working to improve the treatment of different types of cancer in order to increase the patient’s quality of life. A better understanding of how cancer develops will make it possible to deliver personalised and precise…

Mensen werken niet alleen liever samen met leden van hun eigen ingroup, ze concurreren er ook liever mee, lieten Leidse onderzoekers in een sociaalpsychologische studie in 51 landen zien. Dit ‘nasty neighbor’- effect was een grote verrassing voor de onderzoekers, totdat ze in studies over dieren doken.…

RARE-NL, a new collaboration between university hospitals, hopes to find treatments for rare diseases. Professor Teun van Gelder is representing the LUMC in the initiative.

Elise Kortink, student of the Master in Psychology (research) won the award for the best LUF-grant application of 2016 with her research proposal for an internship at the Yale Child Study Center (YCSC).

On Saturday 9 March 2019, Dr. Eduard Fosch-Villaronga got his first publication for his Marie Skłodowska Curie project on the Legal and Ethical Aspects of Healthcare Robot Technology.

Since the demonstration over a year ago on the Wijnhaven campus, Leiden University has developed plans and initiatives to create the safest possible work and study environment for our university community. The Executive Board would like to explain what has happened since and what else we can expect…

Showing your face at dinners and parties at court: it was the way to get noticed by the king in William I's time. Joost Welten's latest book reveals how, during the reign of William I, the elite danced around his throne both literally and figuratively.

Students gain practical experience while clients receive a solution to their software needs: the student software company LUdev hits two birds with one stone. ‘Through LUdev, students learn what else is involved in software development besides programming.’ Interested? You can now submit new projects…

What effect does bullying have on the brain? This is just one of the key research questions included in the NeuroLabNL science agenda. Scientists presented the agenda to Minister Van Engelshoven (Education, Culture and Science) and Minister Dekker (Justice and Security) on 3 July at Campus The Hagu…

The secretary of the Institute of Cultural Anthropology and Development Sociology is located in room 3.A63.

Professor Thomas Hankemeier and his international research team HYPERMARKER have received a 10m-euro grant from Horizon Europe and UK Research and Innovation.

Using artificial intelligence to find new antibiotics. With that, researchers from Leiden University are nominated by magazine KIJK for the Best Tech-idea of 2021. From September 14 onwards people can vote to crown one of the nominees as the winner.

In April, the X-omics initiative was granted 17 million euros from the Dutch Organization for Scientific Research. The subsidy is part of the National Roadmap for large-scale scientific infrastructure, intended to build or renew large-scale research facilities. What new insights will this investment…

In 2025, Leiden University College became the first university programme in the Netherlands to receive the special “Sustainable Higher Education” label from the NVAO, the Dutch-Flemish Accreditation Organisation.

PhD defence

Lecture, Discussion

Katharina Riebel investigates causes and consequences of condition and learning dependent phenotypic variation in sexually selected traits and preference.

Leiden biologists have shown that a gene present in plants, animals and yeasts does play an important role in plants, although for years the gene was considered unimportant. It turns out the gene plays a crucial role in the development of vascular tissue in plants. Publication in Nature Plants on 11…

Producing offspring of a crop without sowing and that is even bigger than the parent plant. According to Leiden researchers this can be achieved by overstimulating a single gene that rejuvenates cells, including bringing them back to the embryonic phase.

In 2021, the KABK, KC and ACPA established a joint research platform, called the Platform for Arts Research in Collaboration (PARC). How did PARC move forward the last year?