2,435 search results for “says” in the Public website
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Tailor-made medicines
More and more medicines are becoming available that target a tumour’s specific traits. The use of chemotherapy is continually undergoing improvement.
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International Relations (MA)
Understanding the complexities of world affairs requires an ability to think critically and to draw insights from a variety of perspectives, sources, and analytic frames. Leiden University’s Master of Arts in International Relations addresses these needs through distinctive humanities-based training…
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Global Political Economy (MA)
The specialisation Global Political Economy of the master’s in International Relations at Leiden University provides you with a cutting-edge understanding of the world economy and its social and political foundations.
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Learning from the past
Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.
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The rights of the developing child
As children learn, develop and acquire more skills, their legal position also changes. Professor of Children’s Rights Ton Liefaard works closely together with Leiden social sciences researchers to shed light on these growing capacities and their implications for our legal system. ‘Our ideas about children’s…
- Week 2–3 (16–31 January)
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Cyber security
To make digital communication more secure, we need to tighten up the legal frameworks and identify the biggest cyber threats.
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Unfolding secrets of catalysts
To construct catalysts that can produce fuels from CO2 innumerable times, we need to learn much more about how catalysis works. Irene Groot is conducting groundbreaking research into catalysis at the atomic level.
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Invaluable bees and nature’s other services
We depend on nature for so many things: from clean water, wood and food to carbon absorption, water purification and coastal protection, as well as for relaxation, inspiration and identity. Nevertheless, our modern world putting increasing pressure on these ecosystem services. Leiden researchers investigate…
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Alumni
PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.
- The story of Cecile
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Early Modern and Modern European History
The early modern and modern Europeanists at the Leiden Institute of History approach the past from comparative and transnational perspectives, frequently placing the history of our continent in global contexts. Our research covers the geographical and thematic breadth of Europe since ca. 1500, with…
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Re-imagining Impartiality in Global Governance beyond (Liberal) Hegemony
The project interrogates the relationship between impartiality and power and asks whether impartiality as a cornerstone of global governance can – and ought to – be re-envisioned in the context of changing global governance power relations.
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Managing Security in Complex Trans-National and Local Settings: EU-Latin American Crime-fighting Efforts Since the 1980s
The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…
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Children’s Rights in International Commercial Surrogacy
On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.
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Leiden’s City Criminologist
How safe do you feel when you’re walking around the streets of Leiden? Do you generally feel safe? Are there any situations when you feel unsafe in the city? These are the kinds of questions that Leiden’s City Criminologist Marianne Franken – from Leiden University – hopes to be able to answer. In collaboration…
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LUCIS Keynotes
The premier LUCIS lecture series, running since 2021. Each year, two eminent scholars visit Leiden to deliver landmark lectures in Islamic and Middle East Studies. This forum for presenting and discussing cutting-edge research brings together researchers, students, and other interested participants…
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Language and Interaction
To make successful communication possible, people need much more than their knowledge of the language system.
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The conflict of the faculties : perspectives on artistic research and academia
This dissertation addresses the position of artistic research within academia.
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Graduate School of Governance and Global Affairs
A warm welcome to the Graduate School of FGGA at Leiden University.
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Public Reason Secularism: A Defense of Liberal Democracy
On 25 October 2018, Tu Zhang defended her thesis 'Public Reason Secularism: A Defense of Liberal Democracy'. The doctoral research was supervised by prof. P. Cliteur.
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Scalability and uncertainty of Gaussian processes
The main theme of this thesis is the theoretical study of Gaussian processes as a tool in Bayesian nonparametric statistics.
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News and events
News, events, announcements, social media and more about the building of the new Middle Eastern Library in Leiden
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450 years of Leiden Law School
Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 they, too, were celebrating their 450th anniversary.
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Citizenship: consequences for democratisation
Many Asian countries are in a process of democratisation. The expectation was that citizens would gradually gain more control over the functioning of their elites. Experts from Leiden have concluded that this process often fails to improve the quality of the administration. They researched the nature…
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Opposition to energy projects
Energy transition will entail the construction of large numbers of new energy installations. Such construction projects may meet with opposition from people living close by. Assistant Professor Bríd Walsh investigated how the local community can best take part in such projects.
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Public perception of energy projects
The transition from fossil fuels and the practical changes that this entails make many demands on citizens. Emma ter Mors, a psychologist and lecturer at Leiden University, is researching the factors that contribute to public perception and acceptance of new energy technologies.
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Improving psychological research
When psychologists repeated a hundred studies in 2015, their results differed in two-thirds of the studies. ‘Research into research is not a luxury but a necessity,’ says Professor of Methodology and Statistics of Psychological Research Mark de Rooij. ‘My aim is to improve psychological research, to think…
- The story of Viktor
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Global Conflict in the Modern Era (MA)
The specialisation Global Conflict in the Modern Era of the master’s in International Relations at Leiden University engages you with the scholarly debates about global conflict today and in the recent past.
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Eduard Fosch Villaronga: 'Robots are mainly for the average person'
IT lawyer Eduard Fosch Villaronga wants to promote diversity and inclusiveness in AI research. And that's really important, because he has observed how artificial intelligence - from Twitter to walking robots - is prejudice in terms of race, gender and sexual orientation.
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Measuring water life
Human activity, such as pollution, may disturb the balance of living water systems, which has consequences for biodiversity, but also for other functions such as water purification. Leiden University maps living water systems using the most advanced technologies.
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The research
Through this research, we aim to gain a clear understanding of perceptions of safety in Leiden. The results will provide us with information about current perceptions. As Leiden’s City Criminologist Marianne Franken explains: ‘This research really focuses on Leiden’s residents. That’s why want to ask…
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Predicting dementia
In the future, physicians may be able to identify dementia much earlier than they can today because a computer algorithm will be able to predict from brain scans how our memory is going to develop.
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Clinton won, but the horserace continues
Let’s get this out of the way: Hillary Clinton won the 26 September 2016 presidential candidates television debate. Handily.
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Understanding labour migration
To ensure that the growing global flows of labour migrants are guided correctly, we need knowledge. Why do people leave home, why do they go to specific countries, and how can that choice be influenced? And what are the consequences of their leaving for the people who stay?
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United we stand? Member states on the world stage
Organisations such as the EU are of enormous benefit to the member states, but the inhabitants of the member states are often unaware of this. Leiden researchers investigate whether international organisations such as the EU or ASEAN are able to influence global politics.
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The impact of terrorism and crisis communication
A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.
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Joost Batenburg about AI Leiden style: 3D images and ensuring AI belongs to everyone
Joost Batenburg is a mathematician and computer scientist who works to build bridges to other disciplines. He hopes to bring intelligent software to fields where it can make a difference. Conversely, he also seeks connections to the disciplines that are needed to make AI a success.
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Sebastiaan Grosscurt
Being a better neighbour to the nature around you
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International Relations and European Studies
The Team International Relations and European Studies addresses the interconnections and interdependence of contemporary global political, economic, security and culture from a multidisciplinary perspective rooted in the humanities. More specifically it is concerned with the study of international relations…
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Knowledge as world heritage
Researchers have the whole world as their work area. Dutch researchers collaborate with Chinese, Australians give lectures in Lithuania, Koreans move to America and back. Who can contribute to academic knowledge, who benefits from it and who pays for it? A fair and effective system for this has not…
- Russian 1
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Increased alertness and moderate ingroup cohesion in bonobos’ response to outgroup cues
In the face of threats from other groups, humans, chimpanzees, and a selection of other species get closer with their own. This research shows that even bonobos show a moderated version of this effect. This suggests that this behavior may emerged prior to the Pan-Homo split, several millions years ago.…
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Debunking myths concerning teaching arithmetic
One often sees gloomy Dutch newspaper headlines about pupils’ arithmetic skills in elementary schools. But is the situation really so bad? Marian Hickendorff is conducting intricate research on performance in and the teaching of arithmetic. The conclusions she draws beg to differ.
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Career prospects
With your degree in Philosophy: Global and Comparative Perspectives, you’re more than a specialist in world philosophy. Alongside your subject expertise, you’ve developed a broad set of academic skills that give you a strong start to your career. Graduates often find roles where advising, archiving…
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More Than Our Rank
What makes us more than our rank
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Van Vollenhoven Institute
The Van Vollenhoven Institute for Law, Governance and Society (VVI) is part of the Leiden Law School.
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Extracurricular opportunities
You can participate in community-building events, alumni sessions, and internship information meetings. Student associations also organise cultural and social activities.
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Daily Records of events in an Ancient Egyptian Artisans'Community'
Irene Morfini defended her thesis on 21 February 2019