In analogy to mathematical proofs, the goal of a proof system is for a prover to convince a verifier of the correctness of a claim.

Understanding the formation and preservation of Pleistocene fire traces through laboratory-based experimental research

This project looks at how the native language influences processing mechanisms of non-native language(s) as well has how it influences brain structure and functional connectivity.

How do humans construct their self?

Machine Learning is becoming a more and more substantial technology for industry.

Join the Pipe is a project committed to reduce plastic waste and to provide people both in the Global South and in the Global North with drinkable water.

On 8 July 2020, Andres Sarmiento Lamus defended his thesis 'The Proliferation of Dissenting Opinions in International Law'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. Y.A.A.S. Radi (UCLouvain).

As a former (PhD) student of the Faculty of Archaeology, your relationship with the Faculty doesn’t end when you graduate. You will join an international community of Archaeology Alumni, working in a wide range of careers including academia, commercial archaeology, heritage policy, museums, the media,…

Promotores: Prof.dr. J. Zaanen & Prof.dr. K.E. Schalm

Here we share findings into the effectiveness of the Designing Your Life education at Leiden University. Our study indicates that DYL education has a positive effect on students’ confidence and competencies.

How do Central African refugees navigate through uncertainty in a new and hostile environment in the DR Congo?

Latif Fauzi defended his thesis on 18 May 2021.

Breeding for resistance becomes more and more important because we want to reduce the use of pesticides. A fast and cheap alternative can be to make use of morphological or chemical markers.

Everyone is welcome at the Leiden Science Family Day. We have set up a programme with a variety of activities for children, teenagers and adults.

Nanodiscs are small, disc-shaped structures designed to mimic biological cell membranes, composed of a lipid bilayer stabilized by scaffold proteins. Membrane proteins play crucial roles in essential processes such as nutrient and waste transport, molecular recognition, and cell signalling, making them…

Synthetic cells, also known as artificial cells or protocells, have wide ranging applications from drug delivery vectors to cell models. In biotechnology they can function as micro- or nanoreactors with possible applications in biocatalysis and photocatalysis. Phospholipids are by far the most commonly…

The team consists of

Antibiotics are a class of medicine most people take for granted. But pathogenic bacteria are becoming more and more resistant to our antibiotics, and this poses a great challenge for future treatments. There is thus a great societal need to identify new molecules that can address new targets and be…

The company Azafaros was established in 2018 to translate innovative science from Leiden University and Amsterdam University Medical Center into novel disease-modifying treatment modalities for rare genetic metabolic disorders such as lysosomal storage diseases.

We want to make Designing Your Life available to a wider audience, so all DYL courses developed at Leiden University are open source. You are free to use the materials and adapt them to your own educational setting.

On the 16th of September, Bert van Pinxteren successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Bert on this achievement!

Promotor: Prof.dr. A. Achucarro, Co-Promotor: J.W. van Holten

The Rosalind Franklin Square, also known as the campus square, is a green meeting place for students, staff, and city residents. It’s where the university, the business community, and the city of Leiden come together.

In this book Adam Fairclough chronicles the odyssey of black teachers in the South from emancipation in 1865 to integration one hundred years later.

How do different emotional expressions influence the behavior of other people in negotiations?

This study aims to make a practical contribution to a new understanding and use of 3D reconstructions, namely as ‘laboratories’ to test hypotheses and visualize, evaluate and discuss alternative interpretations.

On the 27th of February, Marta Morgado successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Marta on this achievement!

How can we stay fit?

Proceedings of the 25th International Congress of Roman Frontier Studies 4

In this article, the authors explore why there is substantial cross-national variation in the level of regulatory clarity surrounding cryptocurrencies

This thesis investigates how the assessment of circular economy (CE) at the macro-economic level can be facilitated and promoted⁠.

Quantum Delta NL, a research programme in which Leiden University participates, has been awarded 615 million euros from the National Growth Fund to help develop the Netherlands into a top player in quantum technology.

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

Blended and hybrid teaching are presented as crucial in promoting teaching innovation, as well as more flexible study approaches allowing students to develop their own tailor-made study programmes. While the strategy document focuses on the positive aspects of digital teaching tools, no systematic study…

Promotores: Prof.dr. J. A. Bouwstra, Prof.dr. W. Jiskoot

Peter Flach is Professor of Artificial Intelligence at the University of Bristol. An internationally leading scholar in the evaluation and improvement of machine learning models using ROC analysis and calibration, he has also published on mining highly structured data, on knowledge-driven and explainable…

Promotores: J. Kok, M. Chaudron (Chalmers University)

A place where scientists and students from Leiden University and residents of The Hague come together to create innovative solutions for sustainable living in the city: that's what the Sustainable City Lab aims to be. When we talk about "sustainable living" we think of many different things. For example:…

Kohei Suzuki, Assistant Professor at Institute of Public Administration, and two other authors researched the topic of innovation by governments in response to expected population decline.

Petra van der Bekerom, Joris van der Voet, and Johan Christensen, three assistant professors at Leiden University, conducted a large-scale survey experiment about whether citizens are more negative about failing service delivery than private organizations.

Cody Bahir defended his thesis on 1 June 2017.

Proceedings of the 25th International Congress of Roman Frontier Studies 3

The 80,000 visitors to the Liberation Day Festival in The Hague on 5 May can learn about 444-year-old Leiden University at a range of interactive events on Malieveld and in the Dutch Parliament.

This project aims to situate the current policy concept of ‘valorization of scientific knowledge’ in historical and epistemological perspectives. Conceptual understanding of the utility of scientific practices is developed in dialogue with historical analyses of the politics of knowledge in European…

The Old Observatory is located on the grounds of the Hortus. This is the oldest surviving university observatory in the world. Since 1633, the University of Leiden has used the various rooms for the education of students. The Visitor Center on the ground floor of the Old Observatory is part of the Hortus…

This thesis describes the use of the evolutionary approach in the study of language change, aiming to provide a better insight in the mechanisms that play a role in language change and to validate this approach in the field of language change.

A History of Modern Political Thought in East Central Europe is a two-volume project, authored by an international team of researchers, and offering the first-ever synthetic overview of the history of modern political thought in East Central Europe.

Using object assemblages to reconstruct activities, modes of deposition and abandonment at the Late Bronze Age dunnu of Tell Sabi Abyad, Syria.