In which way and to which extent is integration articulated in concept maps and which factors affect the resulting concept maps? By which factors is the perceived usefulness of such concept maps affected?

Although the world has made tremendous progress in health, education, sanitation and hygiene, global public health challenges still exist. Disparities in health exist between and within nations as evidenced by inequalities in disease burden, mortality, nutrition and environmental well-being. How does…

On November 27-28 2025, the congress 'Disability and inclusion in the medieval city: a comparative view between Europe and the Islamic World' will be held at the university of Cantabaria, Spain. The deadline for submissions is 13 October, 2025

From 3 to 5 September 2025, the project Governing and Building the City will organize the conference 'Good Governance and the Built Environment of Late Medieval Cities (ca. 1200–1600)' at KBR in Brussels. The deadline for the call for papers is 7 April.

Today, globalization makes us all aware of how closely we are connected to, and often dependent upon, the actions of people who are distant from us. Human migration and economic liberalization have confronted local communities with changes happening on a global level. How can we devise ways to share…

At the start of the 20th century there were fewer than 2 billion people. Now at over 7 billion, Earth’s population is on target to reach 8 billion by 2027. How has this dramatic increase in human population impacted Earth’s life support systems and natural resources? How should we understand the meaning…

A liveable planet. More biodiversity. And resources which are being managed wisely. At the CML, we want to make an impact with our research and education. On this website you can read what we do to achieve that.

The RISIS project aims at creating a distributed research infrastructure to support and advance science and innovation studies. This will give the field a strong scientific push forward, and at the same time, provide a radically improved evidence base for research and innovation policies, for research…

BSc degrees: ‘Political Science’, ‘International Relations and Organisations’. MSc degree: Political Science, with specialisations ‘International Organisation’; ‘Dutch Politics; ‘Nationalism, Ethnic Conflict, and Development’; ‘International Politics’; ‘Political Legitimacy and Justice’; ‘Democracy…

The new book by Dimiter Toshkov - associate professor of Public Administration at the Faculty of Governance and Global Affairs - has been recently published by Palgrave Macmillan.

How we think about and act on the usefulness of scientific research has epistemological and political implications: what knowledge consists of, how it comes about and to what ends. In this dissertation, I situate the usefulness of scientific research in concrete places for knowledge exchange. The exchange…

Taxonomy as a science has accumulated data and knowledge for more than 250 years.

Students with a Dutch HBO Bachelor’s in Biology and Medical Laboratory Research or equivalent can only be admitted to the master after completing the premaster’s programme.

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…

Just a few weeks until a festival full of exciting science activities bursts into life in Leiden. From January the city will be European City of Science for 365 days. Many researchers are enthusiastic participants. ‘I see it as an opportunity to help people feel the joy of discovering something new…

Study information, LUC 101 | Information Session

Three students in Elpine de Boer’s class “Practicing Religious Studies” have been working together on a “Leren met de Stad” (“Learning with the City”) project with community centre Morschwijck, located in Leiden. The students were asked by the organization Incluzio to investigate to which extent cultural…

The World Politics Major at Leiden University College The Hague examines the big ideas and the powerful forces – political, military, economic, social and cultural – that shape the world at every level, from the global to the local and everything in between. Political conflict is a key driver of many…

Home to the International Court of Justice and the International Criminal Court, The Hague is the perfect backdrop to explore conceptions of justice in our global society. Questions of human rights, peace, security and the environment present legal and policy challenges for governmental and non-governmental…

How do processes of coalition-formation influence patterns of decision-making in the European Union?

Workshop, 21-22 June On 21-22 June, Dr. C.V. Weeda (Leiden University) and Marie-Louise Leonard (University Ca’ Foscari Venezia) organize a workshop on Worker's health and material environment in Port Cities. The workshop focuses on interdisciplinary discussion. ReMA-students are given the opportunity…

Roderick Geerts, a PhD candidate of the Faculty of Archaeology in Leiden, takes us on a short journey through the rich history of the Red Sea port of Berenike in Egypt.

Elephant toothpaste, a trip among the stars or a lecture on mathematical juggling: on Sunday 8 October 2023, the Faculty of Science opened its doors for the third edition of the Leiden Science Family Day. A programme jam-packed with workshops, demonstrations, lectures and peeks behind the scenes for…

Cody Bahir defended his thesis on 1 June 2017.

The Leiden Bio Science Park (BSP) will become a real campus in the coming years, with more houses, and attractive places where scientists, students and entrepreneurs can meet to discuss their plans.