This thesis applies data mining in commercial settings in the telecommunications industry.

Factors affecting galanthamine production in Narcissus

State fragility and conflict continue to be among the most enduring development challenges of the 21st century. The consequences of fragility and conflict on individuals, States and the international community are profound. At the individual level, an estimated 2 billion people or a quarter of the world's…

We study expressions of emotion and social decision making across species.

How digital technologies affect the way we conceive of the self and its relation to the world, considered through the lens of media art practices.

The research master's specialisation Social and Organisational Psychology consists of five main parts: the general courses, the specialisation-specific courses, the elective courses, a research internship and a thesis.

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Lecture, Interactionality seminars

It is the aim of this project to better understand how the physical properties of lipids influences the structure and overall barrier function of the skin.

PhD defence

Source: International Journal of Cosmetic Science, Volume 37, Number 1, pp. 158-158 (2015) ISBN: 0142-5463

Understanding others’ emotional behavior is essential for navigating daily social life. But how is such an understanding achieved? The eye-tracking study by Yung-Ting Tsou and colleagues shows that children with hearing loss adopt a unique visual strategy that makes uses of explicit visual information…

Baroque flautist Jed Wentz followed two years of dancing classes in order to develop the right feeling for the gestures required for the Baroque French opera genre ‘tragédie en musique’. In his dissertation, the links between gesture affect and rhythmic freedom in the performance of the tragédie en…

On 12 November 2019, Larissa Koupriuchina defended her thesis 'Judgmental Adjustments in Revenue Management'. The doctoral research was supervised by Prof. J.I. Van der Rest.

My ERC Starting Grant, funded with €1.5 million for 5 years as part of the Horizon 2020 research and innovation program, is focused on building the early warning system WARN-D to reliably forecast depression in young adults before it occurs. Why depression, and why prediction?

A study in the Behavioral Biology group of Carel ten Cate at the IBL showed that experience-dependent and -independent preferences influence song learning in zebra finches.

Making a dynamic substance stock model in order to conduct scenario analyses and make forecasts.

Man-made sounds in and around the oceans stress marine life and have an impact on marine species and ecosystems by changing the underwater acoustic climate. Hans Slabbekoorn from the Institute of Biology Leiden pleads for technical solutions to mitigate problems of noise pollution. Science review paper…

Political Islam is not new to the Middle East, but the appearance of ISIS has stretched the phenomenon to the extreme.

Ten years later, a group of veterans still struggle daily with the effects of their deployment to Afghanistan. Sanne van der Wal, a PhD candidate at the Leiden University Medical Center (LUMC), conducted research into the effects of PTSD.

Affective Computing (AC and sometimes called ‘Emotional AI’) provides opportunities to automatically process emotional data. However, is EU data protection law fit for purpose when it is applied to such AC approaches?

Affective Computing (AC and sometimes called ‘Emotional AI’) provides opportunities to automatically process emotional data. However, is EU data protection law fit for purpose when it is applied to such AC approaches?

Exploring linkages between energy and material use and implications for sustainable development.

Research in the natural computing group covers theoretical foundations, the development of new algorithms, and interdisciplinary applications of natural computing methods.

How do processes of coalition-formation influence patterns of decision-making in the European Union?

The effects on local government of the financial crisis that began in 2007 are still largely unknown. As a case study, Jan Porth conducted statistical analyses of the implications for Dutch municipal finances. The crisis became most apparent in the sale of municipal land to private companies and households.…

In the United States and around the world, the death of George Floyd has sparked fierce daily demonstrations against police violence and racism. What is the significance for our faculty?

Our project focuses on the analysis of decision-making processes in the European Union (EU) and explores how approaches and tools to understand decision-making found in both the Natural and the Social Sciences can be linked, knowledge between these traditions exchanged and synergies utilized. To explore…

Hardly ever before have different groups in the population retreated into their own bubble as much as they are doing today. Professor of Sociology and Law Maartje van der Woude and her students will be examining the effect of social distancing on relationships. How do the people of Leiden look at students…

Researchers at Leiden University have mapped genes that cause breast cancer cells to migrate. The Leiden toxicologists Professor Bob van de Water, Dr Wies van Roosmalen, Dr Sylvia E. Le Dévédec and colleagues studied 1500 individual genes. They found eight, including the SRPK1 gene, that regulate the…

A group of chemists, that includes Sander van Kasteren and Hermen Overkleeft, has discovered that azides, a certain type of chemical compound, can determine whether or not T cells respond to or ignore a vaccine. Their discovery is set to be published in Angewandte Chemie.

The Dutch universities are shocked by the Russian invasion of Ukraine and empathise with all those affected by this act of aggression. Leiden University also calls for solidarity with and support for all those affected by the war.

The travel ban and closed borders have had a big impact on our students and staff. Some are stranded abroad, while others are stranded here in the Netherlands. Others again have returned early to their home country. Three personal stories from Wuhan, Leiden and The Hague.

These are turbulent times in the UK. The cost of living is high, leaving many people struggling to make ends meet, and these past few months have been tumultuous in terms of politics. University lecturer Anne Heyer explains what impact this can have on people's political perceptions and participatio…

Childcare, no access to labs and extra time for online teaching. These are the main reasons why young researchers at Leiden University have seen a significant drop in their productive working hours since the beginning of lockdown. These are the results of a Young Academy Leiden survey of over 200 early-career…

It doesn’t take long before Tim van Lit has told us what interests him: problems that shake the nation. This 28-year-old Criminology alumnus heads a team of 25 at Royal Netherlands Marechaussee. Location: Schiphol Airport.

Human activity at sea makes a terrible racket. To what extent does this disturb marine animals? PhD candidate Annebelle Kok studied the effect on harbour porpoises, long-finned pilot whales and their prey, and discovered the sheer complexity of the problem. PhD defence on 12 November.

An assessment of Libyan legislation

Using N2 dissociation on Ru(0001) as a representative showcase (for catalysts employed in the Haber-Bosch process), we have shown for the first time that non-adiabatic effects can substantially reduce a molecule’s dissociation probability on a metal surface. These effects are currently completely unaccounted…

When Russia invaded Ukraine at the end of February, normal life there came to a halt. To ensure that affected students and researchers can continue their studies and work, professor Ellen Rutten (UvA) and assistant professor Dorine Schellens (Leiden) set up an international mentor network.