This dissertation presents four separate chapters, all striving towards the same goal: to understand dynamic phenomena occurring in dynamic networks and to explore the emergence of equilibrium in a broad sense.

Which brain cell does what, when Parkinson's disease arises? It won't be long before this jigsaw is solved piece by piece. Ahmed Mahfouz, computational biologist, combines bio-knowledge from Leiden with algorithms from Delft and is getting closer to finding the key.

Development of indicators to assess decoupling of economic development and environmental pressure in the EU-25 and AC-3 countries.

Online platforms such as YouTube, Facebook, and X (formerly Twitter) have become part and parcel of everyday media use. Journalists incorporate posts from politicians into newspaper reports, scientists share their insights in short posts or videos, and the judiciary uses social media to explain their…

How well children learn depends to a large extent on good teachers and effective learning materials. Wilfried Admiraal investigates such issues as gaming as a modern learning tool. He concludes that this tool has little to offer less talented students.

What does it mean to eat healthily and responsibly? This question is gaining a new urgency now that in many countries undernourishment is being overtaken by diseases of affluence, such as obesity, and we are also becoming more aware of the environmental impact of our eating habits. It’s time to take…

Researchers of the National University of Singapore and Leiden University have discovered that chimpanzees and bonobos share the contrasting colour pattern seen in human eyes, which makes it easy for them to detect the direction of someone’s gaze from a distance.

When we think of politics, we tend to think of adversary, antagonism, polarisation, a struggle for power. But politics should serve positive purposes, as well. Political psychologist and meditation teacher Femke Bakker (Leiden University) thinks that positive politics is first and foremost about tolerance.…

At the Lak you can participate in a large variety of artistic and creative courses taught by our professional teachers. We offer courses in the following categories: theater and presentation, dance, visual arts, music, photography and writing (literature). All staged art courses come to a close with…

Data science offers exciting new instruments for governments to reach out to citizens, for example by using data-driven information channels, providing real-time simulations, or personalizing services based on citizen data. At the same time, the possibilities and use of data science methods can have…

The two-years master's programme ICT in Business and the Public Sector (last intake in February 2025) at Leiden University provides students with a deeper understanding on our thinking on physical, geographical and industry boundaries, on distance, speed and communication. The programme offers two specialisations:…

The journey of sugar from east to west

The Leiden University PhD regulations are leading for the composition of the PhD dissertation. As Leiden University prescribes no strict regulations with regard to the structure and content of a PhD dissertation, LACDR has composed thesis guidelines, specified per research group. At the start of a PhD…

1) How natural cycles and activities are interconnected for building the time in one community? 2) What perceptions of Ñuu Dzaui peoples about their landscape can be connected with precolonial times?

Application deadlines are very important if you want to apply for the ICCL programme. Please keep the deadlines in mind as published on this page!

Application deadlines are very important. Please keep the data in mind if you want to enroll for the programme International Children's Rights.

Before you apply for your master’s programme, please check our application deadlines.

About nine million people worldwide contract tuberculosis each year. Research into new treatment for this disease has received fresh stimulus with more efficient techniques and a new understanding of how the tuberculosis bacteria works.

Bacteria caught red-handed, deeply frozen just as they were about to cause Lyme’s disease. Ariane Briegel is wildly enthusiastic about the wonders she observes thanks to three elements: a freezing technique, a camera-equipped microscope, and AI. ‘It’s fascinating. Every single cell is different.’

How can we, together international experts, define future needs of R+D contributions for innovations in the field of risk-based management of chemicals and products in a global perspective using alternative testing strategies to minimize animal tests?

In which way was literary celebrity constructed in the nineteenth century and what forms of fandom were there?

Previous research has found important inter-individual differences in the pharmacokinetics (PK) of morphine in special populations such as children, the morbidly obese or the critically ill.

With the rise of information and communication technologies, large amounts of data are being generated and stored in databases. In order to get a better grip on these large amounts of data, serious efforts are being made to discover patterns and relations in the data with the help of new techniques.…

This dissertation is an analysis of spelling variation in Hengwrt and Ellesmere manuscripts, two early texts of The Canterbury Tales.

Application deadlines are very important to make sure you enroll for the programme on time.

Before you apply for your master’s programme, please make sure you check our application deadlines.

Now that you are aware of the admission requirements, it's time to check the application deadlines.

Now that you are aware of the admission requirements, it's time to check the application deadlines.

Before you apply for your master’s programme, please make sure you check our application deadlines.

Now that you are aware of your master’s admission requirements, it's time to check the application deadlines.

If you are aware of the admission requirements of the bachelor’s programme Cultural Anthropology and Development Sociology of Leiden University, it's time to check the application deadlines.

If you are aware of the admission requirements of the bachelor’s programme Data Science & Artificial Intelligence, it's time to check the application deadlines.

This article discusses the coevolution of several species of the tribe Phyllantheae and moths of the genus Epicephala.

Application deadlines are very important to make sure you enroll for the Air and Space Law programme on time.

Application deadlines are very important to keep in mind. Please check the deadlines for extended NON-EU, scholarships, VISA and housing at this page.

Before you apply for your master’s programme, please make sure you check our application deadlines.

Application deadlines are very important to make sure you enroll for the European and International Business Law programme on time.