This week, the cooperation between the Zwerfinator and Leiden University was in the news because of loose labels on deposit bottles. NOS news reported that the Zwerfinator submitted an enforcement request to the Inspectorate. The Leiden Advocacy Project on Plastic (LAPP) is supporting litter waste…

The book offers different theoretical perspectives to help examine the process of public sector reform. In addition it gives an overview of the major trends in the core areas of the functioning of the public sector.

This article explores how employees use leadership behaviours and how characteristics of the organizational context affect their engagement in leadership.

The Egyptian hieroglyphic script was exceptionally versatile, as becomes clear when studying its multiple uses both within Ancient Egypt and beyond its borders.

This dissertation is part of a broader research project that revolves around unraveling the evolution of balanced lethal systems.

In this article, Ben S. Kuipers and Joanne Murphy review recent critiques of leadership theory and practice.

In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…

Exploring the application of data-driven AI optimizations, this work leverages past software performance to reduce the carbon footprint and energy consumption of powerful computing applications.

These are our lecturers (in alphabetical order) for the 2026 Summer School in Languages and Linguistics.

Product packaging is essential. It prolongs shelf-live and highly influences purchasing decisions. However, it’s also a big source of waste, especially single-use plastic. Have you ever felt conflicted choosing a product due to the material it’s packaged in? Or opted for a different product due to its…

Western thought has often dismissed shadows as fictional, but what if fictions reveal original truths?

Projects in the department of Environmental Biology

Diacylglycerol lipases (DAGLα and DAGLβ) convert diacylglycerol to the endocannabinoid 2-arachidonoylglycerol. Our understanding of DAGL function has been hindered by a lack of chemical probes that can perturb these enzymes in vivo.

Earth Overshoot Day, the day on which humanity has used all the natural resources that the Earth can regenerate in a single year, falls on 30 July this year. Three researchers from Leiden explain how this date can be pushed back.

Leiden University commemorates its victims of the war and pays tribute to all members of the university community who resisted injustice.

Daniel Soliman defended his thesis on 15 September 2016.

Links to various Digital Humanities organizations and resources, mainly in English.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

On this page you will find an overview of awards and prizes granted to our staff and students in 2026, as well as special appointments at Leiden University and other institutions.

The authors aim to provide insight into the way in which frontline officials in teams employ leadership behaviour aimed at creating public value.

In this article, Ben de Jong, research fellow at the Institute of Security and Global Affairs, examines the relationship between double agents and their handlers.

The Leiden Leadership Programme (LLP) is an interdisciplinary honours programme for master’s students. It is organised by Leiden University's Honours Academy and Leiden Leadership Centre.

Een nieuw boek in de reeks Elementaire deeltjes

Kartika Setyawati defended her thesis on 12 November 2015

Anthropology of Law in Muslim Sudan analyses the hybridity of law systems and the plurality of legal practices in rural and urban contexts of contemporary Sudan, shedding light on the complex relation between Islam and society.

Jochem van den Boogert defended his thesis on 18 November 2015

In our culture, vocal harmonics function as independent musical elements since only a few decades. Thresholds of the audible explores the changing relationship between singers, listeners and harmonics.

This thesis investigated the extent to which participation of school students in decision-making processes can be achieved, including through participatory action research (PAR) in teacher education.

In 'Dutch Atlantic Connections, 1680-1800', Gert Oostindie and Jessica V. Roitman, both of the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV) and also affiliated with the History Institute of Leiden University, assemble an internationally acclaimed selection of authors,…

All crested and marbled newts (the genus Triturus) suffer from an unusual genetic abnormality, called a balanced lethal system, that kills exactly half of their offspring. How can a trait so disadvantageous have survived millions of years of natural selection?

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

On Thursday 10 April 2025 Wahyu Widodo successfully defended a doctoral thesis and graduated.

The Common Market Law Review has an internationally composed Editorial Board and Advisory Board.

It’s Not Easy Being Green – but we’re here to help! Do you want to live more sustainably but have no idea where to start? Are you interested in making the world greener and do you want to get to the bottom of hot topics? Or are you sceptical about climate change and do you want to hear about the…

The first year cohort of Leiden University College The Hague recently under took a local lesson which saw them collect 10200 pieces of plastic from their local communities. Of the total collected, 52% was plastic.

Adoptees in the Netherlands generally do not use more medication than their non-adopted peers.

Learning from nature and utilizing microbial biodiversity to identify and characterize enzymes for degradation and upcycling of plastics and other polymeric materials.

LACDR is committed to incorporating sustainability into our education and research. By developing environmentally responsible innovations in drug research, promoting the awareness of the importance of sustainability with LACDR staff and students, and implementing sustainable daily practices within our…

The earth has more than 7 billion inhabitants, all of whom leave behind traces of pollution. However, not all forms of pollution have the same harmful effect. Leiden scientists help determine where we should put our priorities.

UNPLASTIC, a research project by Leiden University College The Hague (LUC) won the Dopper Changemaker Challenge 2019. LUC student Roos Kolkman represented UNPLASTIC during the semi-finals on Saturday.

The main aim of this thesis was to unravel the signaling and regulatory networks that drive tumor cell migration during breast cancer metastasis.

The research at the Living lab attracts a great deal of press attention. Please find below a small selection of the many news reports that have been published. Also take a look at the Zembla programme about the Living Lab.

Agrobacterium tumefaciens, a gram-negative plant pathogen belonging to the family Rhizobiaceae, is the causative agent of crown gall disease, which can affect many plant species including agronomically important ones.

Prostate cancer (PCa) is one of the most prevalent cancer in males.

Subproject of

Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.