The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

In comparing a selection of 18th-century histories to a representative sample of 19th-century histories of science, this project inquires: Which early modern vices persisted into the 19th century and to what extent were those vices embodied in anecdotes, conveyed through commonplaces, or symbolically…

It is mostly rainfall and soil acidity that determine which microbes survive in a particular habitat and which do not. This knowledge is important for maintaining biodiversity. Leiden environmentalists contributed to the research. Publication in Nature on 1 August.

Nature and History, Towards a Hermeneutic Philospohy of Historiography of Science

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.

Wrenching poverty, global inequality, violent political and ethnic strife, deadlocked, unresponsive or even collapsing governments, growing dissatisfaction with democracy and missed opportunities for innovation – these are merely some of the challenges of governance and development with which our programme…

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?

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…

Fifteen knowledge institutions and the Ministry of Education, Culture and Science have signed the covenant for Open Science NL. Leiden University has also joined the covenant, via the Universities of the Netherlands. This marks the start of the Dutch Research Council’s and brings the transition to open…

The Hofstad group is known mainly because of Mohammed B., the murderer of Theo van Gogh. PhD candidate Bart Schuurman examined this Dutch jihadist group based on interviews and confidential police files. How and why did the group come about? What drove some of the group members to commit terrorist…

Good education is the basis for a fair and sustainable society. To maintain a high level of education, teachers, pupils, lecturers and students need new resources. One of the ways that Leiden University supports them in this is by conducting academic research, largely together with practicing teaching…

More than eighty students of the Honours College track Science & Society completed their thematic courses. Instead of filling out an exam, they presented a documentary or blog series. These new forms of assessments offered a new perspective on topics like homelessness and the use of mobile phones.

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…

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…

On 26 and 27 September 2024, Leiden University's Grotius Centre for International Legal Studies hosted the H2OLAW conference entitled 'Law-science interfaces within the law of the sea and fresh water law’. The conference marked the launch of a multi-year research project led by Dr Hilde Woker and Dr…

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?

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…

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.

Lecture, Global Histories of Knowledge Seminar

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…

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…

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…

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…

Climate change, biodiversity loss and environmental pollution are urgent problems that call for close collaboration between lawyers and scientists. Dr Hilde Woker and Dr Jason Rudall, both Assistant Professors at Leiden University, are investigating the important interface between law and science.

Last month, Symposion, the study association for Philosophy students, organised this year's student-alumni career event. Four alumni joined the event to share their stories and insights. The alumni panel was held for all BA and MA students of Philosophy, in this thesis-writing and graduation-approaching…

Merijn de Bakker and colleagues of the IBL-research group of Prof. Mike Richardson provide a unique view on digit evolution in crocodiles and birds in their recent study published in Nature.