On 7 December 2021, Georgina Kuipers defended the thesis 'Beschadigd vertrouwen'. The doctoral research was supervised by Prof. W. den Ouden and Prof. M.A. van der Steen (EUR).

Increased public trust in law, government and democracy.

What are the main issues leading to polarisation and division? What is the role of social exclusion in these processes? How can we inform and design better policies to safeguard young people from falling prey to intolerance and polarisation? The DRIVE project, led by Leiden University in The Hague,…

Rebecca ten Cate is Professor in Pediatrics, in particular Pediatric

I am professor emeritus of Animal Behaviour. Over the years I studied a broad range of topics in Animal Behaviour and Animal Cognition, but my prime interest is in the development and processing of vocalizations in birds. This also extends to comparative research on the similarities and differences…

Pam’s research focuses on the fundamental psychological processes involved in health behavior and health behavior change. She has specific interest in temporal dynamics of health behavior, habits, and sedentary behavior. In her current position, Pam focuses on interdisciplinary research, collaborating…

Sander ten Caat is a PhD candidate at the Institute of Public Administration.

Willem Peene defended his thesis on 12 January 2017

To what extent did The Netherlands' attitude towards European integration change after the 2005 referendum on the European Constitution?

An international team led by Leiden astronomers has, after years of searching and defying the boundaries of a telescope, for the first time directly captured polarised light from an exoplanet. From this light they can deduct that a disk of dust and gas orbits the exoplanet. In this disk moons are possibly…

Met AI kunnen nieuwsredacties razendsnel beelden genereren — maar tegen welke prijs? Dit onderzoeksrapport opgesteld door prof. dr. Jaap de Jong, dr. Astrid Vandendaele, Maartje van der Woude en Stef Arends (Universiteit Leiden), baseert zich op 59 interviews met beeldmakers, redacteurs en experts uit…

Dr. Joris Larik, Assistant Professor of Comparative, EU and International Law at LUC The Hague, has co-authored a report entitled 'UN 2.0: Ten Innovations for Global Governance 75 Years beyond San Francisco'.

A new way to decipher the light from distant worlds could give us unmistakable evidence of extraterrestrial photosynthesis, and maybe alien plants, finds astronomy author Colin Stuart in the New Scientist. In his article, he describes the work of the group led by Leiden astronomer Rob van Holstein.…

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.

One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…

How did we come into existence? Are we alone? These questions have driven humans for centuries.

Cambridge History of South Africa, volume 1: From early times to 1885 (edited by Carolyn Hamilton, Bernard K. Mbenga, and Robert Ross) made Choice magazine's list of Outstanding Academic Titles for 2010.

We are pleased to invite abstracts for a conference on ‘Advancing Social, Economic, and Cultural Rights in a Polarised, Digitalised, and Unequal World’ to be held at Leiden University on 4 and 5 September 2025, in collaboration with Netherlands Network for Human Rights Researh (NNHRR).

Water is all around us and is vital for all aspects of life. Studying the various compounds and life forms that inhabit natural waters lets us better understand the world around us.

On 25 September 2019, Luuk Esser defended his thesis 'De strafbaarstelling van mensenhandel ontrafeld'. The doctoral research was supervised by Prof. C.P.M. Cleiren and Prof. J.M. ten Voorde.

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

Leiden has been selected as one of ten cities in the European BiodiverCities project. The aim of the project is to increase the quality of life in these cities, for instance by developing a green infrastructure and enhancing biodiversity. The Municipality of Leiden will work together with Naturalis…

Stay tuned for updates on relevant media appearances of Jeroen ten Voorde.

For the second time in six months, Hans-Martien ten Napel has been invited to write the opening essay for a series of international blog posts.

Four years of protracted negotiations and bitter warfare passed between the declaration of Indonesian independence on 17 August, 1945, and the official transfer of sovereignty on 27 December, 1949.

It appears to be a paradox: ultra-thin material that absorbs all the incident light. Nonetheless, it does exist. Two Leiden researchers report on their research in ‘Applied Physics Letters’. The article is among the Top 20 of the most downloaded articles of this reputable journal in May.

Promotor: F.J. van Lunteren, E. Jorin

The Joan van der Waals colloquium is an ongoing bi-weekly lecture series.