The Stans Prize is a yearly student incentive award for the best thesis, article or report produced by a CML student. Jim van Ruijven wrote his report for his bachelor study in Sustainable Molecular Science and Technology.

The group Clinical Neurodevelopmental Sciences has expertise in individual differences in child development, in particular the development of psychopathology, ranging from mild to severe neurodevelopmental disorders.

Effects of maternal smoking, premature birth, intra-uterine growth retardation and asphyxia on child development.

Fokelien Kootstra defended her thesis on 23 April 2019

A growing global concern is that automated recognition systems may exacerbate and reinforce existing biases that different societies have with respect to gender, age, race, and sexual orientation. Questions around the consequences of automated gender recognition are particularly poorly understood and…

In the studies described in this study, we introduce a novel ex vivo human skin barrier repair model. To develop this, we removed the upper layer of the skin, the stratum corneum (SC) by a reproducible cyanoacrylate stripping technique.

Throughout the history of computer science, a major challenge has been how to assert that software is free of bugs and works as intended. Software bugs can lead to serious negative impacts on any software system. Throughout the main body of the thesis, we implemented a series of studies on exploring…

The Oxford Handbook of Dutch Politics provides a comprehensive longitudinal overview of the state of the art of academic research on the Dutch political system: its origins and historical development, its key institutions, main fault lines, pivotal processes, and key public policy dynamics. In each…

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It is essential for researchers to be able to obtain independent research funding in order to advance in their career.

In this article, Jaroslaw Kantorowicz and his coauthors analyse how recent political changes reshaped Poland’s Constitutional Tribunal and why this transformation provides important insights into contemporary democratic backsliding in Europe.

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It is essential for researchers to be able to obtain independent research funding to advance in their careers.

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

This study documents and translates the Saa (Zapotec) cultural heritage of the Bene’ Ya’a/En’ne I’ya peoples, the Zapotec inhabitants of the Sierra Norte of Oaxaca.

Here you find the curriculum of the master's specialisations of Health, Medical and Neuropsychology.

What role should the university play in the climate crisis?

The expedition commanded by Nicolas Baudin to Tenerife, Mauritius, Australia, Timor and South Africa in 1800-1804 is fully researched in regard to ornithology.

Underneath you will find more information on how the university works.

FitDis! is designed to ease the determination of binding energy and oligomeric state of coiled coil peptides. It allows direct fitting of concentration dependent thermal peptide unfolding curves measured for instance by CD–spectroscopy.

Rembrandt & Leiden University: The Bigger Picture commemorates the 444th anniversary of Leiden University and the 2019 Rembrandt Year. Our special thanks go to Germanisches Nationalmuseum (Nuremberg), The Leiden Collection (New York), Museum De Lakenhal (Leiden), Mauritshuis (The Hague), Rijksmuseum/Musée…

A common method to solve expensive function evaluation problem is using Bayesian Global Optimization, instead of Evolutionary Algorithms.

The starting hypothesis of the project is that secrecy is not always inimical to democratic governance as conventional wisdom has it.

As part of the process of safeguarding the quality of our research, our institutes are audited regularly by a committee of external experts.

On 14 January 2021, Joost Westerweel defended his thesis 'Lokale democratische innovatie'. The doctoral research was supervised by Prof. G. Boogaard and Prof. M.J. Cohen.

The Cognitive Psychology Unit is organized as follows:

On the occasion of prof Paul van der Heijden’s stepping down as Rector Magnificus and President of the Executive Board of Leiden University in 2013 the Chair bearing his name on Social Justice was established. It was a “farewell present” of the Leiden University to it’s Rector.

The focus of the research lies in the approach of reducing, denying, or taking away essential elements of music making in order to let the musician become theatrical.

The institute is funded by the Ministries of Education, Culture and Science and of Foreign Affairs and by Leiden University. To safeguard the institute’s independence and interests in Morocco, it is part of the Netherlands Embassy in Rabat under Moroccan law. The institute performs its tasks under the…

LUCIS is directed by Nathal Dessing, who is advised by a steering committee.

This collection of essays details the political life of one of the most prominent and gifted American statesmen of the twentieth century. From his early training in international law to his five terms in the US Senate, J. William Fulbright (1905--1995) had a profound influence on US foreign policy,…

What drives the behaviour of accountability forums?

Diversity and inclusion are core values of Leiden University.

Education for professionals. Leiden University offers a wide range of courses to boost your career, learn new skills, or broaden your knowledge.

Fieldwork is a crucial part of the learning process for students in the Faculty of Archaeology. This includes both fieldwork aimed at collecting archaeological data and materials as well as fieldwork for heritage studies. The Faculty has established a specific centre of expertise to further shape these…

The master's specialisation in Sociology of Policy in Practice provides academic and professional skills to independently design and execute research projects within and outside organisations.

ENPAIR, the European Network on Psychoeducational Assessment, Intervention and Rehabilitation, has its founding roots in Europe, but brings together scientific researchers and evidence-based working practitioners from countries all over the world.

This research project addresses the ethical challenges and legal gaps regarding the operations of MNCs in conflict zones.

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

Alumni event

Didactics

How does a honey bee see the Earth? Or a shark? What would the world around us look look like through an infrared camera? And how can you spot Earth from the International Space Station and other satellites? Come and experience it yourself at the Night of Arts and Sciences!

In the theme of Big Cat Month, National Geographic interviewed Professor Hans de Iongh, guest researcher of the Institute of Environmental Sciences (CML) about lion conservation in Africa.

The new CML minor Sustainable Development started on Monday 7 September 2009 with an official opening by the Vice-Rector Prof. Rietje van Dam.