On a sunny afternoon in early June, the KCPEB Spring symposium ‘Spring for everyone’ was held in Leiden’s former orphanage, organised by the Expertise Centre for Psychology and Economic Behaviour. The theme of existence security and insecurity built further on the earlier Autumn Symposium. How is this…

In a fiery Annie Romein-Verschoor lecture, Sylvana Simons opened up about her experiences as a woman in politics. The leader of the BIJ1 party is regularly the subject of belittling comments and threats. Writer Aafke Romeijn, who reflected on the Simons’ lecture, has also been threatened frequently…

On Wednesday 16th of May, 2018, two student researchers of the LAPP, Hanna Leisti and Heidi Kaarto, had an opportunity to take part in the High Level Debate ‘Can the Blue Economy Save Our Ocean?’. The event was organised by the Sky and WWF in the premises of the European Parliament in Brussels with…

The Honours College Law (HC Law) is soon going to look very different. What does the HC Law currently do, and what’s going to change? Why should you apply for it? To answer these questions, we spoke to Maartje van der Woude, Designated Professor at the HC Law. She’s designing the new programme in collaboration…

If you want easy answers to governance questions, you might as well abolish democracy, says Dr. Carola Schoor. A democracy should challenge and raise questions. For a balanced and just rule of law, a 'rule of law compass' is needed.

In ten years, it is projected that ten percent of global civil aviation operations will be unmanned. Are the current international aviation laws and regulations up to these technological developments? Fernando Fiallos will defend his dissertation on 14 November 2019.

Individuals suffering from social anxiety disorder (SAD) consistently avoid eye contact. However, in a non-clinical population, gaze avoidance in socially anxious individuals depends on social situations, Jiemiao Chen saw in a series of experiments, for which she used wearable eye-trackers. On 25 April…

The Faculty of Humanities, Leiden University Centre for the Arts in Society (LUCAS) is looking for a: PhD The Illustrated Aesopian Fable in Education in France 1500-2010 (1.0 fte) Vacancy number: 16-123

From COA to the police and from the Red Cross to a ministry, in the coming months, students from the Leiden Leadership Programme (LLP) will have the opportunity to work on real solutions for partner organisations. In December partners and students met for the first time. 'It is a great opportunity to…

That the tax authorities are allowed to impose taxes is widely known. What is less well known is when the tax authorities must impose taxes. And what to do when one set of regulations requires the tax authorities to impose taxes while other regulations prevent them from doing exactly that? Vergouwen’s…

Fifteen passionate lecturers earned their Senior Teaching Qualification (SKO) on Monday 22 January. Rector Magnificus Hester Bijl congratulated them in the Academy Building. Four of these lecturers talk about what motivated them to take the SKO and how it has benefitted them.

The availability of natural resources, the energy transition, the importance of circularity and our dependence on China. This and more is what Professor of Industrial Ecology René Kleijn's inaugural lecture is about.

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.

The endogenous compound anandamide – often referred to as the body’s own marijuana – plays a role in erasing memories of a traumatic event. This was discovered by an international team led by Leiden chemist Mario van der Stelt. The results have been published in Nature Chemical Biology and may provide…

Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

It’s about much more than learning how to write a readable piece or give a presentation that doesn’t send the audience to sleep. The intensive Science Communication Summer School gives young scientists the chance to really make contact with the public.

Starting 2 July 2022, a new exhibition will be opened to the public at the Old Observatory: More-than-Planet. This exhibit asks the question: how do we imagine our planet?

An international team of laboratory astrophysicists and astrochemical modellers has shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. The results have been published this week in Nature Astronomy and…

What determines healthy behavior and how do you promote healthy choices and routines? These are a few questions currently being addressed by Marieke Adriaanse, recently appointed Professor of Behavioral Intervention in Population Health Management at the Leiden University Medical Center (LUMC).

Princess Beatrix was a guest at the opening of the conference on ‘Chinese Buddhism and the Scholarship of Erik Zürcher’ in Leiden on 12 February. Buddhism researchers from all parts of the world came together to reflect on the work of Leiden sinologist Erik Zürcher.

On 21 June 2021 a meeting took place during which PhD candidates within the research theme 'Institutions for Conflict Resolution' at Leiden University presented the current state of their doctoral research.

This week we can vote in the University elections. The University Council and faculty councils are incredibly important. During the fantastic seminar on 50 years of participation that the University Council recently held, our former Rector Carel Stolker aptly said: ‘Without participation, there would…

For many Indonesian alumni, studying in Leiden or The Hague was a life-changing experience. This is what they told a delegation from Leiden during its recent visit to Indonesia. On their return to Indonesia, some of these alumni set up the Ikali alumni network. But why did they go to Leiden in the first…

Leiden researchers have made an important contribution to the successful ‘Beyond the Nile’ exhibition in the American J. Paul Getty Museum. They also contributed to the exhibition volume that will be presented to Rector Magnificus Carel stolker on 5 September.

Who shall be responsible or liable when damage is caused by Global Navigation Satellite System (GNSS)? Is it fair enough to force a GNSS provider to bear the burden of compensation given GNSS open signals are provided free of charge? And are current international laws adequate to deal with those questions?…

In een goedgevuld Teldersauditorium vond op maandag 24 juni het symposium ‘Het Erfgoed van Meijers: 70 jaar waardering en inspiratie’ plaats. Vanuit verschillende perspectieven werd gereflecteerd op de omvangrijke nalatenschap van de Leidse hoogleraar Eduard Maurits Meijers, die precies zeventig jaar…

During the 2019 Reuvensdagen, PhD candidate Femke Lippok was awarded the prestigious W.A. van Es-prize for her research master’s thesis The Pyre and the Grave, written in 2017. The jury lauded Femke for her pioneering work and making use of big data analysis, while adding an admirably expansive and…

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, was interviewed by EUobserver and Al Jazeera English on the European Commission’s newly unveiled Digital Omnibus package – a set of proposals that would amend the GDPR, the AI Act, cookie rules and parts of the EU’s cybersecurity…

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

Our ever-increasing reliance on software and technologies, out of convenience, necessity or otherwise, binds us to supranational and commercial companies that provide them. Is it essential that governments, universities, and researchers ensure that they continue to be in control of their data and software?…

When you become very good at one thing, that sometimes comes at the expense of something else. Such trade-offs also apply to bacteria. When becoming more resistant to one antibiotic, bacteria can sometimes become more sensitive to another. Linda Aulin, PhD candidate in the pharmacology group of Coen…

Diplomatica addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation. The journal explores and investigates diplomacy as an extension of social interests, forces, and environments.

How adolescents perceive parenting is related to their mood. Differences between the perspectives of parents and adolescents are also of importance for adolescents’ mood. That is what research by Loes Janssen and her Leiden University colleagues in Clinical Psychology shows. Open Access publication…

The European Regional Office of Astronomy for Development (E-ROAD) has held its first conference session at the 2020 virtual Annual Meeting of the European Astronomical Society (EAS), the largest astronomy conference in Europe. The E-ROAD is an initiative of the International Astronomical Union, the…

‘Take science communication more seriously.’ This is the message that Ivo van Vulpen, professor by special appointment in Science Communication in Physics, wants to convey during his inaugural lecture. At the moment, a lot of researchers look down their noses at this while it is extremely important…

Secrecy can be detrimental to a relationship, but in the intelligence world, it is actually a basis for trust. What do relationships and trust really mean in this 'hard and seemingly shadowy' world? PhD candidate Pepijn Tuinier investigated it. The finding: social relations play a much more important…

Three enormous maps of China, created during the reign of three different emperors of the Qing dynasty, have now been made available in open access and are downloadable via Leiden University Libraries’ (UBL) Digital Collections. The rich maps are an early example of academic collaboration between the…

On 2 June 2023, the Liber Amicorum – 'The EU and the WTO: Ever the Twain Shall Meet' – in honour of Marco Bronckers will be officially launched at Leiden Law School. To mark this special occasion, an interactive discussion on 'Five future challenges facing the EU and the WTO in the next 50 years' will…

From the late Middle Ages onwards, maritime conflict has developed hand in hand with international trade. Over time, specific institutions were established to address disputes arising from violence or mishap at sea and in coastal areas. Conflict resolution at sea has mostly been studied through the…

The most important group of medieval manuscripts from the Special Collections of the University Libraries of Leiden (UBL), the Codices Vossiani Latini, is now available in open access via the Digital Collections. The 324 Latin manuscripts copied in medieval Europe, along with 48 post-medieval manuscripts,…

Environmental economist Rutger Hoekstra is a guest researcher at Leiden University. He is studying the question of how we can measure societal progress based on a broader range of factors than only Gross Domestic Product.

The Member States of the European Union do not intervene when a Member State disrespects the values of the European Union, Judith Sargentini, member of the GroenLinks party at the European Parliament, said at the annual Europa Lecture on 9 May in the Lorentzzaal of the KOG Building.

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

The Hague Journal of Diplomacy is calling for research papers. The deadline for submission is the first of June 2018. This will be used for a book and special issue of the The Hague Journal of Diplomacy

Africa needs a narrative that is consistent with the developments that are taking place all around the continent. In these developments, talented youth, creative tech hubs, and leapfrogging play a big role. We need to invest accordingly.

Russian military concepts developed in the late 19th and early 20th centuries still exist and have not lost their strategic relevance. The Russians used them to annex Crimea and are now applying them in the war in Ukraine. Although the concepts have been around for a long time, it does not mean they…

A team of developmental psychologists and educators are involving young people in the communication about brain development. A second team of Leiden neuroscientists conducts research into music and spatial skills and searches for healthcare applications. Both teams were awarded a sum of 10,000 euros…

You are warmly invited to attend the inaugural ILS PhD Workshop on 18 January 2018. The workshop will feature two interaction between legal systems themed lectures, and presentations by the six ILS PhD candidates on their research to date.