The proportion of children who are overweight has increased enormously over the past 20 years. The number has currently stabilised but even so there are still too many overweight and obese children. Could there be some connection with the way they are brought up? Roxanna Camfferman's PhD research shows…

On Thursday 27 October 2016 Alke Metselaar will defend her PhD dissertation ‘Drie rechters en één norm. Handhaving van de Europese staatssteunregels voor de Nederlandse rechter en de grenzen van de nationale procedurele autonomie’ (Three courts and one standard. Enforcement of European state aid regulations…

Thijs Bosker and Paul Behrens, Professors in Environmental Sciences at Leiden University College in The Hague, have received funding from the Leiden University Fund and the Gratama Foundation to work on developing a set of Local Actions: tangible and practical exercises that students can engage in…

Since its discovery thirty years ago, it remained a mystery: how does the body’s own marijuana move between nerve cells in the brain? Mario van der Stelt and his research group have now uncovered the answer. This insight could aid the development of new treatments for pain and neurological disorders…

On May 25th, Prof. Damian Pargas will hold his inaugural lecture

It might be possible to prevent atherosclerosis by changing the appearance of macrophages, cells of the immune system that for example digest foreign substances. In her PhD dissertation, Baoyan Ren examined several ways to do so.

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.

Thanks in part to the persistence of a Leiden research group, cancer could be detected in the near future with just a single drop of blood. Not only can the diagnosis be determined at an earlier stage, but the blood test is also cheap, fast and patient friendly. The first results of this method seem…

The ancient Roman province of Lusitania, more or less contemporary Portugal, has been the focus of a joint research project by Leiden University, Évora University and the Royal Netherlands Institute in Rome. The research project has now been provided with a new boost by a large Regato grant managed…

Latin America matters! With its rich history, culture, its impressive resilience and creative innovation in the face of such a diverse array of challenges, Latin America can indeed show the way forward inspiring for positive change. Working together with Latin American institutions, our researchers…

The Netherlands Association for Sleep-Wake Research is studying this issue. Lead researcher Kristiaan van der Heijden, Leiden psychologist and sleep specialist, invites students to take part in the study.

Leiden University is partner of the Netherlands Centre for One Health (NCOH). This initiative brings together leading academic research institutes in the Netherlands in an open innovation network that responds to the theme: One Health. NCOH interviewed Doris van Bergeijk: PhD student of the project…

In 2013, Thijs Porck wrote a guest blog for 'medievalfragments'...

If you end up in prison somewhere in the world, the chances are you won’t be allowed to vote. If it were up to researchers Tom Theuns and Andrei Poama, rather than disenfranchise felons, we would oblige them to vote. That would be a better way to express democratic values.

How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

Robbert Visser has won the Political Science Master’s Thesis Prize 2017. His study in the field of Political Theory is the latest milestone along Visser’s (in his words) ‘long road to the master’s title’. The jury was impressed by his work: 'Deeply engaging, providing a critical and balanced analysis,…

Police investigations use wiretapped phone recordings as investigative material fairly regularly. But how do they know that the voice on the recording actually belongs to the suspect? PhD student Laura Smorenburg is trying to answer that question.

On November 22 in Arusha, Tanzania, the Council of Ministers of the East African Community (EASC) endorsed the Democratic Republic of Congo (DRC) as its seventh Partner State.

A team of European astronomers under Leiden leadership has discovered that dust particles around a star already coagulate before the star is fully grown. These agglomerated dust particles are the first step in the formation of planets. The research publish their discovery in the journal of Nature As…

The Indonesian government has been trying to enforce marriage and divorce laws for some time. These efforts are encountering resistance from both local communities and the Indonesian Supreme Court. PhD candidate Al Farabi investigated where this resistance comes from.

The Hague Journal of Diplomacy is pleased to announce the winner of the 2023 HJD Book Award: Ascending Order: Rising Powers and the Politics of Status in International Institutions, by Rohan Mukherjee, Cambridge: Cambridge University Press, 2022.

Sara Petrollino, a university lecturer in linguistics, strongly believes that language influences the way we see the world. An NWO Open Competition (XS) grant will enable her to test this hypothesis among the Ethiopian Hamar people. ‘The idea that everyone thinks in geometric shapes is culturally de…

Words originally intended to indicate space, such as ‘out’, are also regularly used to indicate cause and effect. Why does this happen? And how does it work in other languages? PhD candidate Camil Staps decided to find out.

How do you write a job advertisement that appeals to both men and women? This question is particularly pressing in French, where every noun has a clearly visible grammatical gender. University researcher Benjamin Storme investigated how employers can best deal with this issue.

Five thousand years before the common era (BCE), Proto-Indo-European, the mother of many languages that are spoken today in Europe, Central Asia and South Asia, originated in eastern Europe. PhD candidate Axel Palmér has combined a 175-year-old hypothesis with new techniques to demonstrate how descendants…

What did plays look like in the seventeenth, eighteenth or nineteenth centuries? With the new OverActing theatre festival, university lecturer Jed Wentz is trying to get closer to an answer to that question.

Leiden University College The Hague turns 7 today (29 September 2017). Lieke Schreel, educational director of LUC has been with the college from the start. She shares her thoughts on another year and birthday of the College.

PhD candidate Jiangnan Ding explores how you can design a thick slab of rubber in a way that it might act as a mechanical computer bit. This so-called mechanical metamaterial is pushed in a specific way to change its shape. ‘With a very simple material, we might be able to do simple calculations in…

Sustainable rose smell that can be produced on a large scale. Tobias Fecker made this into a possibility during his master's thesis, which was a collaboration between the IBL and the TU Delft. He wins the fourth edition of the Krijn Rietveld Memorial Innovation Award.

Interest group Animal Rights has started a test case to prompt the Netherlands Food and Consumer Product Safety Authority (NVWA) to tackle farmers who do not adequately protect their livestock against wolves. The test case concerns a rejected enforcement request to the NVWA. In it, the NVWA were called…

Arabist and papyrologist Petra Sijpesteijn has received a Consolidator Grant from the European Research Council for her research on the early Islamic Empire. The five-year ERC grant will fund the research project

What do you do as a government if you are at a loss? You ask an expert for help. In the seventeenth-century Republic of the Seven United Netherlands, one expert after another popped up to advise one of the many regional authorities. In her Veni project, researcher Anna-Luna Post sets out to discover…

It is true that girls perform better at school than boys, but this is not due to differences in brain development. This is the conclusion psychobiologist Lara Wierenga draws from a recent study. Publication in the Journal of Cognitive Neuroscience.

The opening of the Service Centre for International Staff on 19 January signals a higher level of support for international staff. The Service Centre in the main administration building at Rapenburg 70 will be open every morning, ready to answer any questions.

Between January 11th and 14th the Institute for Philosophy of Leiden hosted the second edition of the Beijing-Leiden Conference in Philosophy, devoted to the topic “Emotions in Comparative Perspective.”

Scientists remain puzzled by the sudden extinction of Neanderthals, some 40,000 years ago. New research by scientists from Eindhoven University of Technology, Leiden University and Wageningen University now suggests we might have been too quick in attributing the demise of Neanderthals to invasions…

Feeling good doesn’t just lift our mood—it also helps us stay flexible and resilient. A new study by an international team of neuroscientists shows that natural brain opioids released after rewards play a key role in broadening attention, offering fresh insights into stress, cognition, and well-bein…

University lecturer Steven Lauritano has been awarded a Comenius Teaching Fellow grant. Lauritano will use the grant of 50,000 euros to improve hybrid education in classes featuring particular objects.

Leiden researchers have discovered an enzyme that helps bacteria feed on everyday plastics. This common enzyme could play a crucial role in future research and eventually in addressing the global plastic crisis. The study was published in Nature Communications.

Advisory Board member Colin Sage shares insights about the Food Citizens? project.

ChatGPT, translation machines and bots: for Carole Tiberius, they are a piece of cake. On 1 January, she was appointed professor of Computational Linguistics. 'There ae two elements to the field: computer science and linguistics.'

Rong Yuang, PhD candidate from the Institute of Environmental Sciences investigated the impact of the renewable energy expansion on China’s carbon emission. On 17 May, she will defend her thesis. China is investing heavily in the development of low-carbon electricity sources, like nuclear, hydro-,…

Scientists at Leiden University (Netherlands), Stuttgart University (Germany) and Ural Federal University (Russia) have successfully put forward a novel, computed, reaction mechanism that was experimentally tested and show that formaldehyde is formed at much earlier stages in the birthplaces of stars…

His Surinamese neighbours in Amsterdam gave Russia expert and economic historian Isaac Scarborough an idea: a re-evaluation of the Surinamese economy in the twentieth century. An NWO XS grant will enable him to make a start on this.

Russia correspondent Eva Hartog took a Master’s in Political Philosophy in Leiden in 2011. This former editor-in-chief of The Moscow Times sees this short period as a new chapter in her life. And she is once again contemplating her future now she can no longer ask the big questions in Russia.

This section provides an overview of online tools for the study of the medieval Low Countries. The websites linked down below are often times both available in Dutch and English.