The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

A new discovery proves that it matters which approach researchers take in analyzing large physical, social or biological systems that have a networked structure. Ever since the early 1900s, scientists have assumed each approach is equivalent. Now many results in statistical physics may no longer hold.…

Take a walk through any city, and you are likely to come across a brightly coloured mural. Although these paintings often seem to serve solely as a backdrop for Instagram snapshots, art history professor Minna Valjakka says there are rich traditions and intricate histories that uncover more critical…

From the first semester of 2026, Leiden University and Universidad Diego Portales (Santiago, Chile) will launch three online virtual exchange programmes. The themes are: political analysis, tensions surrounding Indigenous peoples in Latin America, and the securitisation of borders.

The Hague Diplomacy Podcast aims at bringing the themes of the journal's research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience within their practice of or research on diplomacy. Available via SoundCloud, Apple Podcasts…

Where are the Women in Global Governance and in peace processes?

Staff exchanges are a great way to discover other education systems, gain international and intercultural experience, develop new professional skills, and network with foreign colleagues.

In the ‘Leiden Declaration’, an international group of researchers warns that AI is putting fundamental values of the discipline under threat. The rise of AI is forcing mathematics to rethink what makes their field reliable and valuable. This is their proposed way forward.

Physicist Diego Garlaschelli co-authored an extensive review in the journal Nature Reviews Physics. Surprisingly, the subject wasn't physics at all, but the networks of banks and other financial institutions, and the way their structure relates to financial crises.

As convener for the EASA Network for the Anthropology of Race and Ethnicity, Jasmijn Rana organized a two-day symposium on Decolonizing European Anthropology. It brought together anthropologists from different European countries and non-European anthropologists working in and on Europe. Discussions…

The United Nations fall short in their recently published guide to address hunger without surpassing the 1.5-degree climate threshold. This initial version is a significant step, according to a group of researchers including those of Leiden University. However, they miss an essential topic: reducing…

On 15 March 2023, the GLOBTAXGOV team at Leiden Law School met with the Inter-American Center of Tax Administrations (CIAT) to explore opportunities for cooperation, to discuss the needs of tax administrations in the field of international taxation and evaluate ongoing projects and new initiatives where…

The book ‘The Riemann Hypothesis: A Million Dollar Problem’ has been elected by the Mathematical Association of America (MAA) as one of the best books on mathematics. On 13 January assistant professor at Leiden University Roland van der Veen and co-author Jan van de Craats will receive the MAA Beckenbach…

The first successful Leiden Networks day took place on September 23, 2016. Six world-renowned speakers (see photo) in the field of complexity and network science provided their view on the field.

Can humans perceive single photons? What is our place in the universe? How can we make quantum computers more stable? Five researchers from the Faculty of Science have received funding for their research projects within the Dutch Research Agenda (NWA).

Thinking about what you want to do once you’ve graduated? Want to know what a particular profession really entails? Ask a Leiden alumnus via the online mentor network. It’s free, easy to access and very useful!

The social sciences are vital in navigating complexities, fostering understanding and bridging divides. This was celebrated during the faculty opening of the academic year.

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

Advancing Child-Friendly Justice Through Dialogue and Exchange in Santiago, Chile

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

In his new book 'The Politics of Borders', Leiden political scientist Matthew Longo redefines the concept of a ‘border’.

Two years ago, Russian tanks crossed the border into Ukraine. The war seems to be getting closer and closer. Is it time to dust off and reintroduce military service? Our students have their say.

From 5 to 9 March 2018, the Child Law Department and the Grotius Centre for International Legal Studies of Leiden Law School and the School of Law of the University of Curaçao Dr. Moises Da Costa Gomez hosted a Spring School on Children’s Rights in the Caribbean Region in Curaçao.

On 13 April, an expert meeting to discuss the doctoral thesis of Eduardo Arenas Catalán was held at Leiden Law School. The discussion, chaired by Aart Hendriks, Professor of Health Law at Leiden Law School, included the contributions from Javier Couso Salas, Professor at Universidad Diego Portales and…

Back after pandemic interruptions, the Dutch Network Science Society Symposium took place on May 19th, 2022. The event brought together researchers from around The Netherlands studying complex networks and representing various disciplines, including mathematics, physics, neuroscience, computer science,…

This network brings together scholars whose work explores how contemporary frameworks of crisis produce experiences of the present, rehash or disrupt established narratives of the past, and broker specific outlooks on the future. We collaborate in studying these crisis-scapes and exploring how they…

During the Latin American Studies Master's programme you will focus on key social, political, linguistic and cultural developments which are currently shaping the complex reality of Latin America.

There is greater variety in the size of men’s brains than of women’s. This could help explain why some psychiatric disorders such as ADHD and autism are more prevalent in boys. Leiden brain researcher Lara Wierenga has published an article about this in the international journal Cerebral Cortex.

The fastest chemical reaction in the universe takes place inside our eyes.

We are pleased to announce a groundbreaking research study delving into crucial aspects of safety and responsibility in the domain of personal care robots, explicitly focusing on robotic lower-limb exoskeletons.

Leiden chemical biologists led by Dr Mario van der Stelt have developed a method to facilitate the search for new drugs. This method has allowed them to take an important first step in the development of a drug against obesity.

Starting this semester, Urban Studies students will be able to work on the urban development of the municipality of The Hague. A LUF incentive grant will enable them to put their knowledge into practice even more effectively. At the same time, a study will be started on the optimal use of urban spac…

On Thursday 9 November, Leiden University organized its annual Physics Ladies Day for female high school students. To mark this festive day, we put the spotlight on two female researchers, who talk about their experiences in physics.

With the help of a LUF grant, archaeology student Anne Wagemakers investigated an archaeological assemblage in Spain. Now her research report has won the annual LISF prize.

Members of our research team give different types of presentations and lectures.

On this page you will find an overview of awards and prizes granted to our staff and students in 2024, as well as special appointments at Leiden University and other institutions.

Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

Second-year MIRD students showcase their thesis research on global issues during the 2025 Thesis Symposium, bridging theory and diplomatic practice.

Joris van den Tol spent three months doing archival research in Albany in the USA. Read on how he experienced his stay.

On 17 February 2024, Leiden University's Scheltema building was abuzz with the energy of the annual MSc International Relations and Diplomacy (MIRD) Re-Connect Gala. This year's event marked a joyous return to in-person gatherings, bringing together 200 students, employees, and esteemed alumni of the…

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

Since 2008 every half a year an SBB student starts with an internship for Merck Serono Ventures in Geneva. Head of the company Roel Bulthuis selects and works with the SBB interns and shares his experiences as an employer. He is very pleased.

What if we start taxing carbon-intensive products such as electricity and gasoline, and at the same time compensate low-income households? Hauke Ward and colleagues did just that in a computer simulation for Peru, with a remarkable outcome. Not only does the approach tackle climate change, but it could…

With the passing of Henk Jan de Jonge on 16 April 2022, Leiden University has lost one of its most characteristic, learned and devoted professors.

From 26 to 28 May, second-year students of the Advanced MSc International Relations and Diplomacy (MIRD) participated in the programme's annual visit to Geneva, Switzerland.

Six Leiden University members of staff recently received the Erasmus+ International Credit Mobility grant for exchange projects with non-European partner universities. The total award of around 357,000 euros is used for approximately 50 international mobilities.

On 18 January 2025, the Annual Reconnect & Gala of the Advanced MSc International Relations and Diplomacy (MIRD) celebrated over 20 years of bringing together current MIRD students, alumni, and faculty members. This year’s discussions focused on the theme: 'The Future of IR: Digital Innovation, Climate…

An international research team is to search for invisible life in the Galápagos Islands. The diversity of bacteria and other microscopic organisms may not be evident to the naked eye, but it is essential to nature. To the islands' giant daisies, for instance: unique endemic plants that are currently…