The research programme Statistical Science is concerned with the analysis and interpretation of masses of data, the quantification of uncertainty using probability models, and the development and benchmarking of algorithms and methods with these aims.

The first location of the Open Science Centre network was opened on 7 July in Figueira de Castelo Rodrigo, Portugal. A Portuguese Minister and a State Secretary inaugurated the Plataforma de Ciência Aberta, which is a collaboration between Leiden University and the municipality of Figueira de Castelo…

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

On 21 September 2022 H. Hu successfully defended a doctoral thesis and graduated.

Since the invasion of Ukraine in 2022, Russia has been conducting a covert sabotage campaign against Europe. The ‘Bewaken en Beveiligen’ (Surveillance and Security) project team at Leiden University has investigated the scale of these operations and compiled its findings in the report Russian Operations…

A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

There are eight institutes at the Faculty of Mathematics and Natural Sciences:

The Faculty of Science

Mattias Brand defended his thesis on 10 April 2019

After your graduation, Leiden University would love to stay in touch with you. Alumni are an important part of the university; with your experience we can improve the education, and you can be part of a valuable network full of knowledge and experience. Find out what options you have to stay in touch…

What is and should be the role of universities in supporting business? How can business benefit more of relationships with science? And what is the role of policy makers in supporting a productive relationship between science and business? Professor Simcha Jong Kon Chin examines the interactions between…

Watch and talk along with today’s science of the past during weekly Let’s Plays of popular games and vodcasts on the livestream platform Twitch.

Since the attack of 22 may 2017 in the Manchester Arena, we have often seen the term ‘soft target’. Jeanine de Roy van Zuijdewijn, researcher at the Institute of Security and Global Affairs, took part in a Q&A about the attack in Manchester.

This article examines the position of victims and those affected within communication theory. Current research has broadly been skewed toward reputation management and protecting brand value as primary goals of crisis communication efforts. The authors offer recommendations for crisis communication…

This study has been carried out in the community of Sukamiskin, a kelurahan (‘village’) in Bandung, the Capital of West Java Province, located in the Sunda Region of Indonesia.

Building a sustainable, international and interdisciplinary consortium for developing evidence-based communication strategies about Antimicrobial Resistance. That is the objective of a new project between researchers from Leiden University, VU Amsterdam and Stellenbosch University in South Africa, made…

This research project seeks to understand the dynamics in the relationship between social media, mobile telephony and the social fabric under duress in Africa's mobile margins. It combines studies on mobility/migration, conflict and communication in an attempt to uncover these new dynamics, which have…

The extensive use of electronic communication channels and other devices has opened new possibilities for collecting data on human behavior. This information is sometimes openly accessible, but largely part of administrative registration systems that are not open to the broader public. The data provides…

Today, everybody and everything produces data. People produce large amounts of data in social networks and in commercial transactions. Medical, corporate, and government databases continue to grow. Sensors continue to get cheaper and are increasingly connected, creating an Internet of Things, and generating…

eLaw is thrilled to let you know that on 29 April (17:00-19:00), we will be hosting Prof. Luciano Floridi, Prof. Brett Frischmann and Prof. Shoshana Zuboff on the online (zoom) panel discussion with the question – Should online targeted advertisement be banned on the premise that it violates human d…

Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.

How do museum visitors interpret the authenticity of museum objects? How can we support visitors' meaningful interactions with real objects?

In his historical analysis of upland societies of the Zomia massif, James Scott (2009) emphasizes how the modern state strives to control and “make taxable” all of its subjects. For Tania Murray Li (2014), the development of neoliberal markets is the primary driver of change, as she shows based on long-term…

On 11 October, Amanda Pasma defended the thesis 'Re-entry support from prison-based and community-based professionals'. The doctoral research was supervised by Paul Nieuwbeerta, Hanneke Palmen and Esther van Ginneken.

Promotor: J.A. van Veen, Co-promotor: E.E. Kuramae

Although both government and the public would like scientists to share their work with the widest possible audience, this does not always seem an easy route for scientists.

How can we understand the encounter between communities active in sustainability initiatives and governmental agents at the multiple institutional layers in the Netherlands?

The authors detail the transnationality of terrorist organisations, including fundraising, communications, alliance-forming, movement and target selection.

Research and design are becoming more and more important in international science education. In The Netherlands, two recently introduced subjects focus on research and design activities in the classroom: O&O (research and design) and NLT (nature, life and technology). This research aims to look at what…

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This edition…

The concept behind GraspOS is to build the European Federated Open Metrics Infrastructure in a decentralised way, where: different types of data come together to create metrics; tools and services are developed to improve EU or global infrastructures but are also shared with national or institutional…

Vinasse is a major by-product generated by the sugarcane biofuel industry. It is a source of microbes, nutrients and organic matter and often it is recycled as fertilizer.