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…

Minou van der Werf advocates applying insights from social psychology to financial behaviour. Even small practical interventions can help people to make sensible financial choices, Van der Werf discovered as a result of her field studies. PhD defence 10 December.

Should we be deeply concerned about the America of Donald Trump? Or will he bring about positive change? This was the main topic of discussion between researchers and students at the Big Leiden Presidential Breakfast on 9 November.

'Make sure you separate yourself from your work.' And, 'Your dissertation doesn't have to be a magnum opus.' It was raining tips for PhD students at the humanities PhD event on well-being on Tuesday, 5 September.

Unemployed people often need not only a financial safety net but also a stimulus to look for work. PhD candidate Heike Vethaak researched the effects of incentives used by benefit agencies, such as compelling people to widen their job search.

Eye contact between parents and children improves their mood and increases feelings of connectedness on both sides; but not in the case of depressed adolescents, Mirjam Wever discovered. Where the parent-child bond has been disrupted, it can be strengthened not only with therapy for the child but also…

Using mathematics as a weapon against desertification. With this subject, Robbin Bastiaansen managed to win the C.J. Kok Jury Prize 2019, the prize for the best dissertation of the Faculty of Science that year. Nine months later, we speak to him about this prize. How does he look back on it?

Dialysis patients experience a range of physical and mental symptoms that interact and influence each otherIn her doctoral research, psychologist Judith Tommel wanted to find the optimum approach to help these dialysis patients improve their quality of life. ‘We need to make sure we avoid excluding…

If you expect something is going to itch, the itching really does get worse. Leiden health psychologist Danielle Bartels has proved the effect of negative expectations on itching. What’s remarkable is that this nocebo effect in itching can be reversed. ‘That offers good prospects for clinical practice,’…

Lack of money impacts how a person takes financial decisions: now or preferably later. Procrastination and avoidance behaviours in turn have an effect on lack of money, which can result in a sense of loss of control. These are the findings of psychologist Leon Hilbert in his PhD research, although the…

The race to build the first quantum computer is still ongoing, but Morten Bakker has made big step forward in that process with qubits. A qubit is a unit of quantum information that can be produced in large numbers on chips. Qubits capable of exchanging photons (light particles) could be used in the…

What would it be like if you could work with the best in your field every day? Alumnus in International Studies Niels Drost knows just what that’s like. He currently works as a junior researcher at the Clingendael Institute.

Since the credit crisis erupted, drastic cutbacks have been made in all kinds of public sector organisations, creating some very difficult choices for the top civil servants who had to implement them in their own organisation. This is the conclusion of Public Administration scholar Eduard Schmidt, whose…

Arbeidsuitbuiting van migranten wordt als een vorm van het strafrechtelijke delict mensenhandel beschouwd. De rechtspositie van de slachtoffers is mede daardoor ondergeschikt aan de strafrechtelijke procedure. Dat kan en moet anders, stelt Gerrie Lodder in haar proefschrift. Promotie op 21 april 202…

How you think about yourself is important for the choices you make. Adolescents are faced with choosing a study programme that will determine their future, while their self-image is still under development. Tough choice? Research by psychologist Laura van der Aar has shown that taking a training course…

Positive expectations about a medicine may help it to work more effectively, even if you tell patients about this placebo effect. The reverse, the nocebo effect, works in the same way. Health psychologist Stefanie Meeuwis found evidence for this in various studies. PhD defence 3 June.

China is a one-party regime, yet elections are held for the local congresses. PhD candidate Wang Zhongyuan investigated how the Communist Party uses this democratic instrument to strengthen the authoritarian regime. PhD defence 31 January.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Europe lives! This became clear last Friday when students debated with the French ambassador to the Netherlands, H.E. Luis Vassy, and his German colleague, H.E. Dirk Brengelmann, on a range of topics relating to Franco-German relations and the European Union.

Are Weyl particles the ideal conductors? Do cells without a cell wall play a role in chronic Tuberculosis infections? Carlo Beenakker and Dennis Claessen want to answer these questions. They both received a KLEIN grant from the NWO. With these grants, NWO wants to stimulate innovative, fundamental r…

When people and tigers use the same forest, their ability to cope and co-adapt to the influences of the other is much higher than currently understood. This is one of the conclusions drawn by Leiden BioSocial researcher Shekhar Kolipaka, who researched whether tigers can survive in human-dominated…

PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.

Has the Netherlands responded well to the corona crisis? Or are we, as Geert Wilders terms it, the ‘dunce’ of Europe? A group of authors including Leiden professor Arjen Boin have analysed the Dutch approach and come up with valuable lessons for the next pandemic.

The presence and participation of interest groups in policymaking processes has become a crucial component of Western democracies. These groups link society and policymakers and influence public policy choices. Their function however, is often taken for granted and not very well researched. Adrià Albareda…

What developments preceded modern Standard Dutch? PhD candidate Iris Van de Voorde conducted research on ‘pluricentricity’, or the idea that language norms arise in different places and spread outwards from there. PhD defence on 19 April.

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

In recent years, the Walad Djifir from Chad found themselves in a turbulent environment due to the unrest in Nigeria, Libya and the Central African Republic. How did they adapt? Inge Butter explored their situation in her PhD thesis. PhD defence will take place on 2 July.

With the passing of Henk Jan de Jonge on 16 April 2022, Leiden University has lost one of its most characteristic, learned and devoted professors.

Since 2009-2010, the West viewed China as more assertive. Especially after Xi Jinping came to power in 2012, the country abandoned Deng Xiaoping’s ‘low profile’ foreign policy. Friso Stevens explains in his dissertation where this change has come from. The dissertation defence is on 28 March.

On Friday 10 December 2021, the Center for Law and Digital Technologies (eLaw) of the Leiden Law School, hosted its annual Research Colloquium exploring the theme 'Law Gone Digital'. The event gathered presentations by eLaw PhD candidates and professors on a wide range of topics at the interface of…

On 22 January, a panel of international experts on nuclear deterrence gathered at the Campus The Hague to discuss the future of nuclear deterrence in Europe. The panel addressed key aspects of nuclear strategy and the impact of Russia's nuclear rhetoric in the context of the war in Ukraine.

It was long thought that the early development of Japanese children's books served mainly as a propaganda tool of the state: the literature was supposed to have been written to shape children into perfect citizens. PhD student Aafke van Ewijk nuances this image. Children's book writers wanted to have…

For decades, linguists have racked their brains over the question of precisely how the syntax of various languages is different. PhD candidate Martin Kroon has developed a computer system that brings us closer to finding an answer. His PhD defence is on 10 November.

Effectively treating a severe case of pneumonia is often challenging. Identifying the pathogen behind it can be difficult. PhD candidate Ilona den Hartog tried something new: ‘We searched for answers in substances our own body produces.’ PhD defence on 17 September.

War and peace studies. A topic that is more relevant than ever because of the war in Ukraine. In September, the MSc Crisis and Security Management (CSM) will start a new track: War and Peace Studies. CSM’s Programme Director, Ernst Dijxhoorn, discusses the new track, how it was created and what students…

May the Netherlands deny access to products manufactured under poor working conditions? And can a manufacturer bring a case against a country that increases its minimum wage? PhD candidate Ruben Zandvliet examined the legal and ethical issues involved in international commercial law, investment law…

Young people influence one another to take greater risks, although it's not quite that cut and dried. This is what development psychologist Jorien van Hoorn discovered. Peers also have a positive influence on one another, an aspect that has so far been under-researched. PhD defence 12 January.

On the south coast of Sri Lanka is a colonial fort. Since it became a world heritage site, the fortified town of Galle has suddenly become a major tourist attraction. This has its pros and cons, says PhD candidate Uditha Jinadasa. PhD defence on 12 March.

Five questions about the event ‘Germany after the Elections: implications for Foreign Policy and European Security’ answered by one of the experts at the event: Joachim Koops. Come by at the Spanish Steps in Wijnhaven on Friday 15 October or join the event online (link below).

A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial characteristics of SARS-CoV-2 infections. Thanks to her research, experts can now make well-informed decisions on matters like quarantine duration, which…

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

The powerful Dutch East India Company and West India Company were summoned before the High Court more often than historians have assumed. The complainants varied from competitors, to the Companies' own staff and even poor citizens. This is what Leiden historian Kate Ekama has discovered. PhD defence…

On Friday 30 November 2018 more than 70 students became acquainted with the large range of companies that Leiden Bio Science Park has to offer. In addition to the companies with eye-catching façade names along the cycling route to the faculty, like CHDR, BaseClear and Astellas, there is much more to…

March 21 is International Day for the Elimination of Racial Discrimination. We spoke to Leiden University’s Diversity Officer, Aya Ezawa, and asked her how we can combat racism and discrimination.

Did you know that PhD candidates are also alumni of your alma mater? High time to put a PhD alumna and her research in the spotlight. Besides, this month our UNICEF Chair in Children’s Rights is celebrating its tenth anniversary.

Counterterrorism specialists often have to contend with difficult ethical dilemmas. There is currently a lack of any adequate infrastructure within intelligence agencies for discussing these dilemmas, Michael Kowalski writes in his dissertation. PhD defence on 12 March.

How can you learn about women’s history if they are under-represented in historical sources? Look at news coverage of crime, says Clare Wilkinson, PhD candidate in gender and history. ‘Historical crime reporting offers a glimpse into forgotten groups.’ The doctoral defence will take place on 23 Apri…

People who are often stressed can feel calmer by making certain adjustments to their breathing. Possibly this also positively affects concentration and attention. Psychologist Roderik Gerritsen studied the effects of breathing differently for the first time, and explains them. Gerritsen receives his…

On Thursday 16 November, Dirk Broekhuijsen will defend his doctoral thesis entitled ‘A multilateral tax treaty: designing an instrument to modernise international tax law’. The defence will take place at 15.00 hrs at the Academy Building of Leiden University. The supervisors are Professor F.A. Engelen…

Making the most vibration-free, cryogenic scanning tunneling microscope in the world. A bold mission, but one that PhD candidate Irene Battisti successfully executed together with the Fine Mechanical Department. The new microscope might shed light on how unconventional superconductivity works. PhD Defence…