Research

It was meant as a joke for friends and family. A quick snap of him with his bags packed while watching the exit polls of the Dutch general elections. But the photo of our colleague Ilyasse El Boujadayni soon found its way around the entire country and before he knew it, he was being invited by national…

As a Leiden University’s master’s student in Political Science you conduct independent research and report your findings to fellow academics and, who knows, to a larger audience. Your thesis is a showcase of your academic skills and personal interest, and perhaps even passion. Easier said than done,…

The government spends millions regulating companies that work with large quantities of hazardous substances. But we don’t know whether this is making the industry safer. The number of violations and incidents remains constant. This is the conclusion of external PhD candidate Rob in ’t Veld in his dissertation.…

LION

Psychologist Floor van Meer won the first Trial & Error Award for her research on the effect of being distracted while eating on eating behavior. This award from the Journal of Trial & Error (JOTE) honors the often underappreciated aspect of research: learning from errors. For her publication, Van Meer…

Subtle changes in eye appearance can influence how people perceive others and affect their generosity. Articles from PsyPost and The Washington Post highlighted two experimental studies in which psychology researchers from Leiden University, including Mariska Kret, explored this phenomenon.

A research team from Radboud University and Leiden University, led by senior researchers Prof. Masja van Meeteren (RU/UL), Dr Paul Mutsaers (RU) and Prof. Maartje van der Woude (UL), will examine what national and international research has really found about ethnic profiling by the police.

The cargo lost at sea as a result of the MSC Zoe disaster should be considered environmental pollution and information about it should be made public. This was the case made by Leiden Law School’s Leiden Advocacy Project on Plastic (LAPP). Following their investigation, the government has finally decided…

Halima Bouras leaves for the City University of New York with her Fulbright scholarship. 'I am very happy with the Fulbright grant and excited to continue my research project in New York next semester', reacts Bouras. The aim of her PhD research is to promote educational opportunities and educational…

ICT

Leiden University’s Board of Governors is pleased to announce the appointment of Tjerk Kroes to the Board of Governors by the outgoing Minister of Education, Culture and Science, Gouke Moes.

In 2022, every euro in the Netherlands lost about 10% of its value, price increases comparable to the stagflation period of the 1970s. In the same year, the value of the Argentine peso halved, while prices in China only rose by 2%. How well do we understand the economic mechanisms behind inflation?…

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.

Why do people commit violence? A question that may not occupy many minds, but one that Don Weenink has been researching for many years. Since 1 March, the sociologist has held the title of professor of Violence and Policing.

Bachelor, Master

All persons making use of Leiden University buildings and grounds must comply with the general University house rules. These are listed in the Regulations on the Use of University Buildings, Grounds and Other Facilities, and are intended to guarantee order and safety for guests and staff alike.

Doing research in archaeology is more than just gathering data and publishing a paper. Nowadays, there is a growing trend in producing well-defined and responsible data management plans. They help to navigate the process and result in good data management practices which in return benefit the researchers…

In 2025, students, lecturers, researchers and alumni of the Faculty of Humanities were once again at the heart of society. They demonstrated the importance of the humanities through their groundbreaking research, meaningful education and strong collaborations.

Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…

Ten Leiden researchers will receive funding of up to 280,000 euros from the Dutch Research Council (NWO). They will use this grant to develop their research ideas in the coming three years.

In the Spanish town of Guadalajara, there is a street named ‘Burgemeester Fluiterstraat’, named after a descendant of Leiden migrants who had done well in the South. He was not the only Guadalajara resident with Leiden roots: at the beginning of the eighteenth century, a stream of Dutch textile workers…

Jantien Hadders (50), head of Education and Research Policy at FGGA, lost the love of her life and, to her great sadness, did not become a mother. It was precisely by being able to share her loss in the workplace that she slowly regained trust in herself.

From street harassment to coercive control: gender-based violence has many faces. University Lecturer Mischa Dekker has studied street harassment in the Netherlands and France, and supports institutions and organisations in embedding structural change.

The university elections are approaching. Are you going to represent student and staff interests this coming year? University Council chair Pauline Vincenten gives a peek behind the scenes at student and staff participation at Leiden University. ‘I get so much energy from collaborating with the students…

In the middle of doing research for her master’s thesis, Sara Kalf (24) was hit by a car and got seriously injured. After a long period of rehabilitation and hard work, this week she can finally add her signature to the wall of the Academy Building’s ‘Sweat Room’.

Work balance is an important issue within the Faculty of Humanities. Education coaches Astrid Van Weyenberg and Maarten van Leeuwen also deal with this regularly during their coaching sessions with lecturers. They have listed their most important tips.

Are maps objective or do they convey hidden messages that you would miss at first glance? A map is always a simplification of reality. Mapmakers reduce, distort and select. This allows the reader to be guided literally and figuratively. Leiden University Libraries (UBL) and the Museum Volkenkunde jointly…

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Can humans sense where north is, using what is known as magnetoreception? This question had master’s student Björn Keyser (Media Technology) so intrigued that he started crowdfunding to be able to study this together with the California Institute of Technology.

Do children growing up in a jihadist or right-wing extremist household develop the same extremist views as their parents?

Astronomers and surgeons from Leiden are collaborating with industry to develop an optical instrument that delivers faster, more accurate imaging of tumour tissue and abnormal blood flow during surgery.

Without scientific knowledge, we won’t be able to tackle the grand challenges of the 21st century: climate change, energy transition, social inequality and coronavirus, for example. Professor by Special Appointment of the Social Value of Science Laurens Hessels is therefore calling for more transdisciplinary…

From 12 to 16 April the joint Career Services of the faculties present on Campus The Hague organised the Online Campus The Hague Career Event. Around 600 students signed up! Every day of the week, they could join presentations, webinars and workshops presented by alumni, professionals and Career advisors,…

About one and a half million people worldwide die each year from tuberculosis. For thirty years, therapy with antibiotics has been the same, while it takes far too long and can lead to resistant pathogens. Leiden researchers from four institutes are now joining forces to develop more effective and efficient…

Tim van de Meerendonk explores how farmers, insurance advisors and local politicians in India try to make sense of insurance figures through their moral convictions.

The Covid-19 pandemic has challenged political leaders worldwide, bringing discussion about leadership in times of crisis. In various media outlets, a recurring topic has been the relationship between the gender of a country’s leader and the success of his or her Covid-19 approach. Especially female…

Green spaces boost mental health—especially in busy cities. A new study from Leiden and Stanford University reveals how nature benefits urban well-being and offers low-cost ways to make city life healthier for everyone.

Synchronised heart rates and skin conductance tell us that people are attracted to each other. This explains why we feel a romantic ‘click’ with some people and not with others. This is the result of research by psychologist Eliska Prochazkova from the Leiden Institute for Brain and Recognition, which…

Organisation

Chemist Tobias Bauer discovered ways to improve drugs by encapsulating them. Packages with iron nanoparticles, for example, can stimulate immune cells. Bauer will receive his PhD on 9 June.

If we want to solve the complex issues now facing us as people and as an organisation, leadership is an absolute necessity: and then not only from supervisors and managers, but from everyone. You can use the set of cards and the animation developed specially for this purpose to gain insight into your…

How can we ensure that young people vape less? How do we prevent the spread of scabies among students? And how can we encourage physical activity at work? Students from Health and Medical Psychology recently presented their answers to these questions to professionals in the field.

Money, cultural anthropologist Coco Kanters concludes in her dissertation, is not an intangible or acultural phenomenon. It is a ‘product’ that arises from specific values and can be used for certain goals.