Using the MUSE instrument on ESO’s Very Large Telescope in Chile, an international team of scientists, including many Leiden astronomers, have conducted the deepest spectroscopic survey ever. They focused on the Hubble Ultra Deep Field, measuring distances and properties of 1600 very faint galaxies…

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. You can register for this minor (from 2 May) in your…

Matheus Mendes was awarded the 12th Jaap Doek Thesis Prize at a ceremony on 13 December 2024 for his thesis on the right to read. The prize honours outstanding master’s theses in children’s rights.

Submissions are sought for a special issue with Frontiers in Political Science that explores the conceptual and practical aspects of a ‘just’ energy transition both within and beyond Europe. In particular, contributions to the theoretical and interdisciplinary foundations of just transitions, as well…

An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.

The European Space Agency (ESA) has published an interim data release from Gaia, the space telescope mapping out the Milky Way in 3D. The first scientific papers published today reveal half a million stars in the Omega Centauri globular cluster, nearly 400 candidate gravitational lensers and the positions…

The newly launched Public Leadership in Collaboration partnership has been designed to enhance leadership within and across public sector organisations through research. This kind of leadership has a direct impact on society. Professor Ben Kuipers from the Leiden Leadership Centre (LLC) shares three…

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

Markus Altena Davidsen’s PhD dissertation is the first major study of Tolkien Religion. In it, he analyses the religion that is based on the stories by acclaimed British fantasy author J.R.R. Tolkien. He also discusses how fiction itself can become religious. Davidsen will defend his dissertation on…

Biodiversity and healthy ecosystems continue to decline in Europe, which has serious consequences for human welfare. These are findings of a report that was formally approved by delegates from 127 governments during a UN plenary in Medellin, Colombia. Leiden researcher Alexander van Oudenhoven was one…

The United Nations (UN) made history in October 2000 when Resolution 1325 on Women, Peace, and Security (WPS) was unanimously adopted.

New Online Platform Launched to Support Global Children's Rights Legislative Reform

In a collaborative effort between the Leiden Children’s Rights Observatory, the Leiden Law Academy, UNICEF and the Petitions Section of the Office of the United Nations High Commissioner for Human Rights, a symposium held last week commemorated the tenth anniversary of the Optional Protocol to the Convention…

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…

The MA International Relations program at Leiden University convened a roundtable forum at Leiden University The Hague Campus to examine the international and domestic stakes of Rodrigo Duterte’s arrest and detention under an International Criminal Court (ICC) warrant.

Leiden University co-hosts Council of Europe expert exchange on accountability for crimes against children in Ukraine

Five questions for James Shires, assistant professor at ISGA, about his new book, The Politics of Cybersecurity in the Middle East. The book is available to order now.

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

The university’s largest consultancy programme, International Studies’ PRINS, has been connecting international employers with humanities students for six years. Founder Sarita Koendjbiharie: ‘Students of International Studies offer the holistic view that complex social issues need.’

PhD student Janine Westendorp and her colleagues conducted literature research on what patients with cancer and their loved ones perceive as harmful communication from healthcare providers. The results were published in the journal Psycho-Oncology and are released as a poster to distribute to healthcare…

We are pleased to announce a call for papers for the upcoming workshop on the study of smart, sustainable, healthy, and diverse cities in modern-day Indonesia. The workshop aims to explore the future possibilities and challenges of metropolitan centers such as Jakarta, the newly built IKN Nusantara,…

Throughout the coming year, all attention in Leiden will be on Asia. This special year, featuring numerous Asian events, conferences, exhibitions and concerts, celebrates the new Asian Library at Leiden University. Come and read, watch, listen, taste or dance Bollywood style.

Fat is a very valuable food component, packed with calories, especially important when other resources might be scarce. Our earliest ancestors in Africa already cracked open bones to extract the fatty marrow from bone cavities. But now a new study published in Science Advances demonstrates that our…

China is prohibited from using export duties to address any environmental problems. This is unfortunate, according to PhD candidate Fengan Jiang (Richard), as export duties could be useful in tackling global carbon leakage. PhD defence on 19 February 2020.

As part of the NEXUS1492 project, this project will use ancient DNA techniques to shed new light on the demographic and health history of the Caribbean and the impact of European colonization on indigenous communities in the region.

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Mission Director: Dr. Carina van den Hoven

Amerindian settlement patterns and early colonial cartography in Northern Hispaniola

This research project studies the distribution and impact of medieval malaria in the Netherlands.

Speech Prosody 2024 includes three exciting tutorials. Below you will find the description as well as the recording of all three of them.

This is an Erasmus+ International Credit Mobility project of Leiden Law School with University of Sarajevo in Bosnia Herzegovina.

(1) What are the institutional factors that influence AI adoption and implementation? and (2) How does AI reshape the exercise of administrative discretion within public organisations, and how do adoption and implementation choices moderate these effects?

An overview of the research at the Cancer Dug Target Discovery group.

People who are arrested on suspicion of preparing an attack are at risk of becoming radicalised either during or after their detention. Whether or not to arrest someone requires careful consideration. At the end of the prison sentence, it is important to provide effective supervision of the reintegration…

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

The Faculty of Science adopted an action plan Diversity and Inclusiveness in 2015. In this action plan, the Faculty commits to a number of actions to further improve diversity and inclusion for staff and students, such as more female full professors at the faculty, and encourages initiatives that foster…

Many of the big challenges of the 21st century (climate change, international migration, financial instability, socio-economic inequality) find their origins in the organisation of the global economy. Any solution to the world’s big challenges therefore requires forceful policy interventions at the…

Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh

The research project MAXCAP: Maximizing the integration capacity of the European Union: Lessons and prospects for enlargement and beyond starts with a critical analysis of the effects of the 2004-2007 enlargement on stability, democracy and prosperity of candidate countries, on the one hand, and the…

Past, Present and Future of Nubian Communities in Sudan

Investigating the emergence of complex societies in Chalcolithic Cyprus.

The Department of Archaeological Heritage and Society focuses on the relationships between past and present, the role of heritage in society, and how heritage conceived broadly can contribute to improving quality of life.

Bachelor, Master

My ERC Starting Grant, funded with €1.5 million for 5 years as part of the Horizon 2020 research and innovation program, is focused on building the early warning system WARN-D to reliably forecast depression in young adults before it occurs. Why depression, and why prediction?

To safeguard the quality of research within Leiden University, a committee of external experts evaluates the University’s institutes once every six years according to the Standard Evaluation Protocol, which is drawn up by the Association of Universities in the Netherlands (VSNU), the Royal Netherlands…

Health is a wonderful gift, both for humans and for society. If we are able to prevent both physical and mental illnesses, we can spare a lot of suffering and fight rising health costs. Social scientists and physicians in Leiden are working closely together to conduct research on the human mental, behavioural…

What was the name, the appearance, development and the playing technique of the cello in the Low Countries between 1600 and 1800 and what music was composed for it?