What political factors affect the speed or duration of EU legislative decision-making?

Evidence-informed policy-making is crucial for good governance. Yet, despite the abundance of evidence from research and evaluation available to decision-makers, we know little about the actual influence of evidence on government policies. The ‘Power of Evidence’ (PoE) research programme, directed by…

This thesis focuses on the question: What is the content of mentor teachers’ practical knowledge of adaptive response to their mentee teachers’ learning?

This thesis examines the complexity of legislative decisions within the EU, with a specific focus on the Council of the EU.

This book offers readers an alternative history of the origins of the discipline of International Relations.

In this top-rated course, you will learn how the European Union prepares and decides on policy, and how policy is transferred to member states and implemented by various authorities. It discusses the challenges of the European multi-level governance structure and the main causes of policy failure or…

Studies of perceptual decision-making typically present the same stimulus repeatedly over the course of an experimental session but ignore the order of these observations, assuming unrealistic stability of decision strategies over trials. However, even ‘stable,’ ‘steady-state,’ or ‘expert’ decision-making…

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

Cookware handles, electrical plugs, brake pads. Unlike other plastics, these ‘thermosets’ cannot simply be melted down and reshaped, making them difficult to recycle. Chemist Roxanne Kieltyka and her team are now exploring a way to make these materials recyclable, potentially transforming the way we…

This book analyses the emergence of modern parties in nineteenth-century Europe and explores their connection with the slowly developing institution of democracy.

Chemical reactions go hand-in-hand with an energy exchange with the environment in which they take place. Surfaces offer a variety of energy dissipation channels, constituted by the nuclear and electronic degrees of freedom of the atoms at the interface. Aiming at an improved future harvesting of energy,…

As a research project between four Jean Monnet Chairs - two located in Europe, one in Canada and one in the U.S. -- the project DEUBAL has been approved in 2010 for co-financing by the European Commission. DEUBAL aims to study changes in European decision-making due to the Lisbon Treaty, by a combination…

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

Think tanks have proliferated in most Western democracies over the past three decades and are often considered to be increasingly important actors in public policy. Still, their precise contribution to public policy remains contested.

The monthly ILS Lunch Seminars present the perfect opportunity to unite the different institutes situated within Leiden Law School and are steadily developing into somewhat of a tradition. On Thursday 14 June, the last edition of the ILS Lunch Seminars of this academic year takes place. This seminar…

“To change the world, you do not need everybody. You only need one. So, will you be the one? That’s the question.” Saturday December 3rd, Nobel Laureate Professor Muhammad Yunus gave a special lecture at the Anna van Buerenplein campus of LUC The Hague. (Text: Jakob Semb Aasmundsen; Photography: Paul…

Associate Professor of Physical Geography Paul Hudson at Leiden University College was interviewed by TIME Magazine on the Mississippi floods that have been harassing the United States this year.

The project’s overall goal is to improve Indonesia’s environmental legal framework and its implementation by strengthening the regulatory capacity of the government, and by enhancing the capacity of CSOs and scholars to hold the government accountable for its regulatory performance.

How do cognitive, motivational, and affective processes interact to select actions?

On the 24th of June, Martijn Wackers successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Martijn on this achievement!

This book explores the relationship between the production of new urban spaces and illiberal community-making in contemporary India. It is based on an ethnographic study in Noida, a city at the eastern fringe of the state of Uttar Pradesh, bordering national capital Delhi.

The complexities of modernization in Brazil and Graciliano Ramos significance for our understanding of Brazil today.

igraph development focused on improving the most-used interfaces, which are Python, R, and Mathematica. Additionally, the developers aim to make the library and the interfaces easier to maintain, focusing on long-term sustainability. This ensures that igraph continues to be a useful tool for network…

Searching for ways to delay the need for a transplant and trying to build kidneys to order.

In the overview below you can find the LUC Newsletters that were send out during block 3 and spring break in semester 2 of academic year 2019 - 2020.

Investigating the making of knowledge in anthropology and natural history in colonial and postcolonial Indonesia.

The starting point of Hermans' research is how both children's physical play and dance improvisation by professionals can be considered somatic practices where sense-making manifests itself in and between bodies, and through movement.

Listening to birds and helping science, it is possible. Institute of Biology Leiden (IBL) researchers Karan Odom and Katharina Riebel launched a citizen science project to improve the worldwide documentation of female birdsong.

Collecting as much information as possible about administering a new medicine to people can save a lot of money.

Understanding DNA repair mechanisms is essential for advancing plant biotechnology and crop improvement. This study investigates how double-strand breaks (DSBs), induced by CRISPR/Cas systems, are repaired in the model plant Arabidopsis thaliana, and how these processes influence Agrobacterium tumefaciens…

Nadine Raaphorst wrote an chapter for The Oxford Handbook of Administrative Justice about how two notions of fairness are studied in street-level bureaucracy literature and about the factors that influence how bureaucrats behave in this regard.

On Wednesday 14 May 2025 Remzi Çakırlar successfully defended a doctoral thesis and graduated.

Bahar Şimşek defended her thesis on 4 May 2021.

This omnibus brings together some old and some recent works by Jos Gommans on the warhorse and its impact on medieval and early modern state-formation in South Asia.

Buried beneath a Suffolk forest, archaeologists have uncovered the earliest known human-made fire. A fire that was sparked 400,000 years ago. This stunning UK discovery rewrites our evolutionary story, pushing fire-making back by more than 350,000 years. Baked earth, heat-scarred tools and the world’s…