The research group Organizational & Entrepreneurial Behavior investigates the behavior of individuals and groups who start, work in, or lead organizations, in order to inform organizational practice. By focusing on the behavior of (groups of) employees, entrepreneurs and leaders, the main levels of…

‘Praesidium Libertatis is a daily responsibility.’ These were the words of Rector Magnificus Carel Stolker on 8 February during the 443rd Dies Natalis of Leiden University. The University needs to pay continuous attention to open debate if it wants to remain a bastion of freedom.

Three Psychology students will present a poster of their thesis research on Alzheimer’s and dementia at the international conference AAIC Neuroscience Next. ‘I remind myself to recognise - without fear or shame - when I don't know something.’

‘Leiden is small, friendly and welcoming,’ says new first-year student Ayla Russel. Strong wind and heavy showers were forecast for the first in-person day of the EL CID on 16 August, which could easily have spoiled this impression. But fortunately the showers – apart from one – fell somewhere else,…

Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.

PhD defence

PhD defence

PhD defence

PhD defence

Lecture

PhD defence

PhD defence

Lecture

PhD defence

PhD defence

PhD defence

We interviewed lecturers and students about their experiences with courses on sustainability.

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

Adolescents with autism or hearing loss report fewer feelings of guilt and shame than their peers. However, guilt does still serve a ‘corrective function’ in this group. This is what Evelien Broekhof’s dissertation reveals. PhD defence on 4 June.

As a psychologist and pilot, Bert Busscher is interested in the phenomenon often termed as fear of flying. Busscher discovered that the heart rate of a person undergoing a therapeutic flight shows how much they still suffer from fear of flying. The post-flight heart rate can even predict whether the…

Dutch doctors hold social media platform Snapchat responsible for the illegal sale of vapes, and are threatening legal action. Bart Schermer, Professor of Law and Digital Technology, spoke to RTL news: 'Snapchat is not liable for the content of its users'.

Scrap the radical cuts to research and teaching. This was researchers and students’ message to government at the opening of the new academic year. Various speakers in Leiden’s Pieterskerk highlighted the importance of science for society.

A far-reaching understanding of human behaviour is necessary to get to grips with conflicts in society and to encourage parties to meet each other halfway. Psychologists, anthropologists and political scientists from Leiden are making invaluable contributions to that understanding. You can find out…

How can you do your bit for sustainability? Students from Leiden University have launched an interactive website with 150 sustainable initiatives in and around The Hague. The website Sustainable The Hague makes it easy to find a sustainable shop, restaurant or community initiative in your local area…

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. We give the floor to several of our very best researchers. In this episode: Caroline Archambault researches the Masai in Kenia.

Why did fewer women suffer from osteoporosis in the past than today? And which aspects of a city make public spaces safe, accessible and comfortable for all residents? These two research questions will be explored in more detail thanks to an Impulse Grant from the Leiden University Fund.

Ancient peoples might have harnessed the power of fire to modify their environment

AI is playing an increasingly important role in our lives, but that is not without danger. Eduard Fosch-Villaronga at eLaw warns that AI does not pay enough attention to the LGBTQ community.

More CO2 in the atmosphere is making food crops more calorific, less nutritious and potentially more toxic.

Medicines do not follow the one size fits all principle, because genetic differences can influence their efficiency. That is what research by PhD candidate Julia Hillger shows. She defends her PhD dissertation Take it Personal on Thursday 7 December.

Jelle Wouters (RTC Bhutan), Erik de Maaker (CADS Leiden) and Radhika Gupta (CADS Leiden) have been awarded a €260.000 grant by the Gerda Henkel Foundation for the research project ‘Perpetuating Highland Heritages of Bhutan’. This 4-year research project focuses on vernacular and unacknowledged heritages…

Claire van den Helder (fourth-year Cultural Anthropology student) and Orestes Kyrgiakis (second-year Cultural Anthropology student) won the Pieter de la Court Medal 2021. The Pieter de la Court Medal is an initiative for students by students and is awarded annually to students who voluntarily contribute…

The Italian physicist Andrea Morello is one of the pioneers of the quantum revolution. He is currently doing research at the University of New South Wales in Sydney, but cherishes his time as a PhD candidate in Leiden.

When biology student Mike Groenhof was making a phylogenetic tree of fifty shrimp species for his internship, one specimen turned out to be an undescribed species. The animal was collected by Naturalis scientist 18 years ago, and had been under the radar ever since.

City dwellers in the Middle Ages were probably no worse off than people living in villages. Both groups had very different health risks, is Rachel Schats' conclusion from her research on bone material. PhD defence 3 November.

An organized overview of the current global fungal diversity, that is what Irene Martorelli and colleagues try to achieve with the new MycoDiversity Database (MDDB) she builds in collaboration with Naturalis Biodiversity Center. The new database will make it easier and quicker to observe which fungi…

Pandemics, terrorist attacks, environmental disasters... These are real threats, which we cannot ignore. In fact: we need to prepare better for the large-scale crises of the future. Preferably in a way that suits our lifestyle and respects our social values. Over the next ten years, an interdisciplinary…

On Thursday, May 16, Leiden University Libraries is organizing a workshop on early photography of the Middle East. In the workshop, curator Maartje van den Heuvel shows photos of three adventurous Dutch nineteenth-century travel and photography pioneers. They created beautiful photos and photo albums…

A TikTok by student Loïs de Jong from Leiden University in which Leiden sparkles as a student city won the final of the Leiden Media Contest on 13 June. According to the jury, the film was ‘the most appealing for today’s generation of current and prospective students – it includes nearly all elements…

‘Archeologists don’t dig up explanations, let alone certainties,’ says Joanita Vroom, Professor of Archaeology of Medieval and Early Modern Eurasia. ‘Their job is to bridge the gap between the sherds that they find and people’s everyday lives. What do ceramics from the past say about people’s eating…

Leiden archaeologists have identified a number of bone fragments that were excavated in Germany two years ago. The fragments are from a sabre-toothed cat and appear to be parts of the skull of a prehistoric feline that is over 300,000 years old.

Canal Cups, Auke-Florian Hiemstra and Liselotte Rambonnet’s project to rid Leiden of disposable plastic cups and its canals of litter, has taken 59th place in Trouw newspaper’s Top 100 sustainable initiatives.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

PhD defence

A team of three students affiliated with Leiden University is shedding new light on the lives, diets, health, and mobility of individuals buried at the historic church site in Koudekerke, Zeeland. The project, a collaboration with the Walcherse Archeologische Dienst and funded by the Municipality of…

PhD defence

PhD defence

PhD defence

The Dutch Research Council (NWO) has awarded Vidi grants to 14 Leiden researchers. This grant of a maximum of 850,000 euros will enable them to start a new research group and develop their own line of research over the next five years.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. In this edition…