Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

Meet the people of the Resilience Center

Knowledge of mental distress and resilience factors over the time span from before to after a stressor is important to be able to leverage the most promising resilience factors and promote mental health at the right time. To shed light on this topic, we designed the RESIST Study, in which we assessed…

Wetlands provide many ecosystem goods and services which include fish production. The sustainability of small-scale fisheries (SSF) has received considerable attention in recent years because fish is one of the major sources of animal protein to a considerable fraction of the global population which…

Vast, often populated, areas in dryland ecosystems face the dangers of desertification.

BrainTrain: an initiative from Leiden University in which a team of students visit high schools to make adolescents more resilient against disinformation on the news and on their socials. In an interactive two-hour guest lesson, high school pupils discover how easily their brains can be tricked into…

The jury of the Africa Thesis Award is delighted to announce that the 2025 prize has been awarded to Yonwaba Matshobotiyana of the University of the Free State, South Africa, with a thesis on Black women's poetry in South Africa.

Prof. dr. Marieke Liem, Professor Social Resilience and Safety at ISGA, discussed the facts and fiction surrounding serial killers on Dutch NPO Radio 1.

Ten projects have been selected during the fourth call in the Seed Funding Programme launched by EUniWell. Marieke Liem, Professor Social Resilience and Security, has received a grant for the MASTERY project.

Three new minors at the intersection of security and resilience will launch in September 2026 at the Faculty of Governance and Global Affairs. A distinctive feature is that all three combine academic coursework with a practical placement in the field, within defence, the police, or emergency service…

With this grant the researchers seek to shed light on the factors which play a role in transmitting jihadist ideas, and explore possible ways to mitigate this transmission.

How can we ensure a more resilient and sustainable supply of Rare Earths in the EU in the future?

In the academic year 2023-2024 the SRS interdisciplinary programme will offer four courses for interested students who are entering the third year of their Bachelor's degree. You can sign up for these courses in your elective (minor) space. You can follow the courses individually as an elective, or…

In Dutch magazine Elsevier, Marieke Liem explains the issues with using the term ‘troubled person‘ in reports on homocide.

Lex Bohlmeijer, creator of the Good Conversations podcast at De Correspondent, is recording a podcast in Theater aan het Spui in The Hague. In his Good Coversations podcast, Lex talks politics, arts, journalism and science, with a wide range of guests who have an exceptional and often unknown story.…

Leiden University’s contribution to the national SSH Sector Plan is built on a layered and interconnected structure. The Sector Plan themes define shared national priorities; the university’s profile themes embed these priorities within a broader interdisciplinary strategy; and the five FSW Core Themes…

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

Commissioned by ‘Politie en Wetenschap’, Pauline Aarten, Assistant Professor at Leiden University, and Marieke Liem, Associate Professor at Leiden University, published their new research last week. The study

Impressions by Wouter Baas and Caroline Schep

Conference, Symposium

How did Angkor interact with regional urban centers? How did the settlement system impact the society's agricultural system and regional resilience?

Wouter Eekhout, our data magician, came in 3d place in the ‪#‎LinksSDGs‬ - Natural language processing and data visualization challenge.

The mission of Printeger is to enhance research integrity by promoting a research culture in which integrity is part and parcel of what it means to do excellent research, and not just an external and restrictive control system.

The Department of Company Law and Financial Law conducts research in areas including the law of legal entities and corporations, the law of financial obligations and liability, corporate governance, sustainability, national and EU financial supervision, mergers and acquisitions, insolvency law, and…

Our research aims to develop drugs that boost the host immune response to better defend us against mycobacteria.

This article explores crisis communication research clusters in the literature, examining overlaps and intersections among diverse fields.

Nietzsche's most famous and infamous book Thus Spoke Zarathustra is perhaps the most read, but probably also the least understood, book in Nietzsche's oeuvre. Nietzsche considered it his highlight. He called it a symphony, a holy book, a fifth gospel and even the greatest gift ever given to humanity.…

In this article, Wout Broekema, Wouter Jong, and Sara Perlstein explore the design and assessment of crisis inquiries from a learning perspective.

Statistical considerations guide the design and implementation of the experiments that scientists perform. For instance, in a clinical trial about a the efficacy of a treatment, its effect in a certain minimum amount of patients has to be observed in order to make confident assertions about the efficacy…

The research group on governance of crises studies phenomena, dynamics and actors related to crisis governance. The Leiden University Crisis Research Center (CRC) is part of this Research Group.

In this article Wouter Jong and Andrea Bartolucci explore the integration of scenario-based learning (SBL) into a crisis communication course to enhance students' practical skills and reflection in real-world contexts.

On the 16th of June Patrtick Harrison successfully defended a doctoral thesis and graduated.

Vandaag de dag liggen statistische methodes aan de grondslag van beslissingen in allerlei facetten van het leven, van de gezondheidszorg en agricultuur tot de financiële sector en marketing.

The availability of indicators based on social media has opened the possibility to track the online interactions between social media users and scholarly entities.

The Department of Archaeological Heritage and Society focuses on the relationships between past and present, the role of heritage in society, and how heritage can contribute to the improving quality of life and our (future) environment.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Social and Behavioural Sciences with Royal Thimphu College in Bhutan.

Generally the data from remote sensing surveys - the scanning of the earth by satellite or aircraft in order to obtain information about it - is screened manually in archaeology. However, constant monitoring of the earth's surface causes a huge influx of data of high complexity and high quality. To…

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…

Preterm birth is a major contributor to neonatal morbidity and mortality and is associated with both acute complications and long-term health consequences.

Liwen Meng has been granted a CSC fellowship to initiate her PhD project, which will delve into the role of nature in buffering stress response. Her research will be carried out under the supervision of Dr. Henk van Steenbergen.

The outreach and engagement platform BrainTrain consists of five enthusiastic students of the masters programme Forensic Family Science. As part of their project, the students visit high-schools to teach adolescents about the brain, make them experience that their own reality is not always the only…

Urban riots, violent responses by police, drug-related assassinations, child abuse, bar fights: Violence is a core theme in today’s modern society.

Through our research, we aim to enhance both scholarly understanding and practical knowledge in sustainability governance, while making meaningful contributions to the public debates on these critical issues. To achieve this goal, we embrace diversity in our research topics, methodological approaches,…

Leiden University is an international, broad-based university. We distinguish five core domains for our research and teaching activities.