Animal Sciences’ contributions to the Biodiversity & Evolution research theme include evo-devo research, the evolution of cognitive and behavioural traits, and the evolutionary mechanisms of stress adaptation. This research involves both indoor and outdoor studies.

SOLID: Solidarity under strain - A legal, criminological and economic analysis of welfare states and free movement in the EU. Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

At the conference of the Honours College Science & Society, students present TED Talks on a social issue of their interest. ‘It brings together everything they have learned in the past two and a half years.’

A better balance between teaching and research duties, greater recognition of team performances and the elimination of simplistic assessment criteria. The ‘Academia in Motion’ paper published by the Leiden University Recognition and Rewards describes the main problems with recognition and rewards in…

This interdisciplinary study focuses on (trans)national ethnic and popular networks, combining historical-ethnographic and computational methods to understand the ‘workings’ of networked conflict interfering in the increasingly violent conflict in the Sahel (Africa) and beyond. The project focuses on…

He discovered how to determine the rotation and centre of our Milky Way, predicted where comets come from and laid the groundwork for radio astronomy: Leiden Professor of Astronomy Jan Hendrik Oort (1900 – 1992). Piet van der Kruit, whose PhD supervisor was Oort himself, has written a biography about…

Callum is from Ireland, Sharitah is from The Hague and Kirsten is from Manilla. The new students taking part in the HOP week from 19 to 23 August come from all corners of the world. The HOP week is the introduction week for students at Leiden University in The Hague. The diversity of the student population…

Our digital infrastructure brings new opportunities, but it also makes us vulnerable. The answer does not lie in technology alone. But how do we help organisations get to grips with the complex theme of digital security? Welcome to the world of cybersecurity governance, the world of Bibi van den Ber…

This special anniversary year highlights not only our resilience and perseverance, but also the connection between our staff, students and alumni. We reflect on what we have achieved and set our sights on tomorrow's challenges and opportunities.

In this article, Joris Larik and Richard Ponzio grasp the importance of the Summit of the Future to overhaul and strengthen multilateral cooperation in an age of deepening rifts and increasing competition between the great powers. This article argues that a failure to convene a meaningful and ambitious…

This book contextualises case studies across a wide variety of languages and cultures, crystallising key interrelationships between linguistic standardisation and prescriptivism, and between ideas and practices. It focuses on different traditions of standardisation and prescription throughout the world…

Cities need to become greener, more biodiverse, and climate-resilient. However, many organisms that are vital for the functioning of urban green spaces and the wellbeing of urban citizens remain largely unknown.

This edited volume offers a critical discussion of the trade-offs between transparency and secrecy in the actual political practice of democratic states in Europe. As such, it answers to a growing need to systematically analyse the problem of secrecy in governance in this political and geographical…

In this chapter, Linde Desmaele & Luis Simón examine NATO’s strategic adaptation since Russia’s annexation of Crimea in 2014.

This article discusses the impact of symbolic gender representation on the willingness of citizens to coproduce.

Buitelaar argues that IOs micro-level discourse adapts imperfectly to macro-level changes, balancing adaptation to pressures with commitment to values.

Damien Van Puyvelde and Paul Oling explore how government intelligence agencies can effectively collaborate with the private technology sector to meet their evolving technological needs, focusing particularly on emerging technologies such as artificial intelligence (AI) and quantum computing.

Jurisprudence is a philosophical introduction to the law. This subject is taught by the department of Jurisprudence.

We are dedicated to creating a thriving open knowledge community. This challenges us to innovate and take action. Therefore, Leiden University commits to:

In this article Vanessa Newby discusses how the ANZUS states of United States, Australia, and New Zealand that sit on the fringes of the Asia-Pacific, are increasingly using their armed forces to deliver Humanitarian Aid and Disaster Response (HADR) as a way of engaging with the region.

The Hague Journal of Diplomacy (HJD) is the world’s leading research journal for the study of diplomacy and was founded in 2005.

This page provides an overview of the MSc International Organisation specialisation at Leiden University (The Hague). Includes curriculum, thesis seminar, small-group teaching and internship possibilities.

This thesis explores squaramide-based supramolecular polymers and hydrogels, enhancing their mechanical strength for 3D cell culture.

A plasma is an ionized gas with very low electrical resistivity. As such, magnetic field lines are 'frozen in' and move with the fluid. Magnetic field lines that are linked, knotted and tangled, cannot be undone by the fluid motions.

Drought, exacerbated by climate change, is becoming a serious issue in Dutch cities. This affects the availability of water for people, nature, and infrastructure. The Thirsty Cities project is the first large-scale initiative to investigate this phenomenon, involving dozens of knowledge partners and…

Constitutional and administrative law is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University. This programme looks closely at the interaction between national and European law.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

An impressive 1,300 international students from 84 different nations got to know each other at the University in Orientation Week Leiden. Where do they come from and why did they choose Leiden?

PhD defence

PhD defence

PhD defence

Recently, Willem van Boom attended the Annual Conference of the World Tort Law Society (WTLS), which was held at Wake Forest Law School (NC, USA; Nov. 15-18, 2017).

Evolutionary and ecological interactions affect species on genetic and phenotypic levels. This theme aims to understand these processes at multiple levels: from molecules to genomes to populations and to communities. Our research focuses on evolutionary responses to anthropogenic change, the role of…

We deeply cherish our natural and cultural World Heritage, so it seems; when historical monuments and sites are destroyed by war or natural disaster, we are mourning collectively. But what if this World Heritage status is not just a preservation label, but a smokescreen for social and political conflicts…

A study of Dutch Fort at Galle, Sri Lanka

In the past 30 years, over 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate possible atmospheres of these. Those simulations provide guidance for astronomers…

Leiden University continues to do well in the Times Higher Education World University Rankings. For the subject area Politics and International Relations, the 2018 edition ranks Leiden 67th in the world. This is not that far behind the ‘usual suspects’ (Cambridge, Stanford, MIT and the like). Among…

We are living through an age in which social media platforms have given way to entirely new forms of politics and politicking. It is no exaggeration to say: there is a before and after social media.

The Elision Ensemble made a video production of Richard Barrett's half-hour composition 'world-line'.

Sense Jan van der Molen is vanaf 1 maart de nieuwe wetenschappelijk directeur van het Leiden Instituut voor Onderzoek in de Natuurkunde.

The annual World Economic Forum (WEF) is underway, and it is a key instance for world leaders to adress global and regional challenges. The organisation expects to convene over 3,000 leaders from more than 130 countries. However, there is rising concern about the number of key leaders that will not…

On 21 March 2024, the ‘learners’ at Wolfert Bilingual in Rotterdam were not teenagers, but some 180 teachers and teacher educators from around the Netherlands and beyond. Those delegates were bound by a common interest in exploring and engaging with teaching and learning in linguistically and culturally…

Researchers from all parts of the world will be in Leiden from 2 to 4 May for a major malaria conference. The Leiden University Medical Center (LUMC) is organising a two-day workshop on how vaccines can be tested safely in humans.

The "BRAVE NEW WORLD" conference is about how future technology will impact human life. On November 8-9 it is held in Leiden. Two of the invited speakers are researchers and lecturers of the Media Technology program.