ILS organizes monthly Lunch Seminars in which all researchers from Leiden Law School can present their research. The idea is to share in an open and accessible way what researchers from other research programs and institutes are working on. During a seminar, two or three speakers will present their…

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

From Caspar Reuvens to the royal grave in Oss, and from ancient images in the Hortus to a table from Naturalis. The National Museum of Antiquities is 200 years old, and throughout this whole period there have been close contacts between museum and university. Curator Annemarieke Willemsen explains this…

The Mycenaean civilization of ancient Greek times offers enormous potential for useful information: from innovative construction methods to ways of handling crisis situations as a society. Archaeologist Ann Brysbaert and her team analyse Mycenaean construction processes in the ERC Consolidator project…

Leids onderzoek naar bestraffing komt tot stand uit verschillende disciplines. Het onderzoeksproject kent een juridische, criminologische, sociaalwetenschappelijke en filosofische invalshoek.

Turning beer waste into a useful, sustainable product. That was the mission of students from Leiden at the international BISC-E event. The biology students challenged themselves and won third place in the Dutch finals of this competition. For this, they used the simple formula: Grain + fungus = coas…

A new administrative culture. Renewed vigour. More transparency. Will it become reality with the new government? And how do you go about achieving it? By all of us striving to change together: not just politicians, but also stakeholders, civil servants, media, and civilians. That was the conclusion…

Today marks the launch of the LDE Bachelor Honours Programme Sustainability. Students from Leiden University, TU Delft and Erasmus University will work together on concrete sustainability issues of organisations. Interest in the new programme turned out to be overwhelming. Two lecturers involved share…

Hoe kan de City Deal Kennis Maken bijdragen aan het formuleren van maatschappelijk relevant onderzoek dat de stad in al haar diversiteit centraal stelt? In de stad Leiden zijn burgers momenteel maar in beperkte mate betrokken bij het bepalen van de agenda van de lokale City Deal Kennis Maken. Dit onderzoeksproject…

We know this, but we don’t act on it: eat healthily, move more, address our stress levels and sleep well. Internist and Professor of Diabetology Hanno Pijl is fascinated by the effect that a healthy lifestyle can have on health. He researches how this lifestyle is achievable and satisfying, for patients…

How can we help children and adults to acquire better reading comprehension? Paul van den Broek and his colleagues at the Brain and Education Lab are searching for an answer to this question by investigating reading and the related brain activity.

How does the evolution of the archaeological landscape at Son Sard reveal rural settlement patterns on Mallorca, serving as a pars pro toto for Balearic rural archaeology?

What distinguishes a tumour cell from a healthy cell? Researchers are trying to answer this question as precisely as possible. Certain differences could eventually lead to new therapies.

This year Leiden University exists for 444 years! This will be celebrated together with the residents of Leiden and The Hague during various activities. One of these is scientists and residents doing research on plastics and psychology together.

How can we deal with today’s global challenges in sustainable, peaceful, fair, democratic, and effective ways? How can global events such as geopolitical shifts, ecological changes, technological innovations, and pandemics be better governed? Addressing these complex questions requires innovative, multidisciplinary…

Lifelike gods, provisional professors and the city militia with weapons a clanking. Leiden put on a colourful procession and drummed up hundreds of citizens to celebrate the foundation of the first university of the Republic of the Netherlands on 8 February 1575. 'It wasn't a party just for the sake…

The Reformed Church removed preacher Caspar Coolhaes - Leiden’s first Professor of Theology – from office because of his advocacy of tolerance. PhD candidate Linda Gottschalk sheds new light on this controversial preacher.

Do the sounds that surround you as you cycle through the city sometimes annoy you? Don’t worry, because we can actively change the situation, says sound expert Edwin van der Heide. Students in his Honours Class are actively shaping the sound of the city.

This thesis presents a detailed description of the phonology, the tone system and the grammar of Liko, a Bantu language spoken by about 70,000 people in the northeastern part of the Democratic Republic of the Congo. It provides numerous examples.

The heritage of Indigenous Peoples has long been researched and commented upon from the outside. This book adopts an innovative approach by engaging with the heritage of Indigenous Peoples from the ‘inside’.

The name ‘Jambi flora’ refers to fossil plants found as part of a rock formation from the Early Permian (296 million years old), located in the Jambi Province of Sumatra, Indonesia.

Humans and songbirds learn their vocalizations early in life by exposure to the vocalizations of adult conspecifics. Often, better learning outcomes are achieved with live, social, tutors than with audio-only exposure to vocalizations.

Promotor: C.J. ten Cate

In this PhD-thesis several new and existing data science application are described that are particularly focused on applications for tax administrations.

The effects of anthropogenic noise on interactions between predators and their prey are still little understood.

Proceedings of the Vth International Conference of Isis Studies, Boulogne-sur-Mer, October 13-15, 2011

Truth is stranger than fiction. In 1997 Juan Maldaceña discovered a remarkable dictionary that translates equation for equation the physics of black holes in string theory into the more conventional physics of quantum mechanics of interacting particles. The remarkable possibility exists that…

The Supramolecular & Biomaterials Chemistry group comprises the PIs Alexander Kros, Roxanne Kieltyka, Gregory Schneider and Sander Wezenberg, and is active in the field of self-assembly of amphiphilic peptides and applying them in supramolecular chemistry.

On the 1st of November, Andrew Wigman successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Andrew on this achievement!

Few events have influenced our global order as intensely as the events of September 11, 2001.

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

De menselijke geschiedenis strekt zich ver uit vóór de tijd waarin de mensen opschreven wat er zoal gebeurde.

The languages of the Mbam-et-Inoubou District of the Centre Region of Cameroon have a unique position in Bantu linguistics. Being in between

The MCS research group members and their research are closely affiliated with the two Leiden master’s tracks in Museum Studies offered at the Art History and Archaeology departments.

Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn

An interdisciplinary collection of the best international scholarship on Muslim youth.

This book examines the impact of the UN Convention on the Rights of the Child (CRC) on national and international jurisprudence, since its adoption in 1989.

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

What is the current relevance of the ethics of counterterrorism and what is the added value of ethics support within the practice of counterterrorism?

On December 11th, Andreea Geambasu succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Andreea on this great result.

The experiments described in this thesis employ local lentiviral knockdowns in brain areas of female zebra finches followed by behavioural assays consisting of preference and Go/Nogo tasks.

In this project we study the properties of statistical- and rule-learning mechanisms in relation to the acquisition and evolution of language. We ask to what extent these mechanisms are unique to humans - or to human language - by comparing the acquisition of vocal structure in two species: humans (infants)…

The Special Issue of the European Journal of Applied Linguistics on ‘Language Ideologies: Old Questions, New Perspectives’ aims to offer diverse insights on language ideologies with a focus on methodological and theoretical questions.

This dissertation investigates ikat from the eastern Indonesian islands from a uniquely technical perspective, including design analysis of asymmetry and microscopy.

On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

To what extent are the rights to street children violated en how can their rights be protected?

Anthropogenic noise has been shown to affect marine animals in various ways, this may have fitness consequences at individual and population level. This thesis aims to increase insight into the quantification of sound-induced behavioural responses that are relevant to fitness, and into factors that…

Cambridge University Press has published a new book co-authored by researchers from Leiden University, offering both an introduction to machine learning and deep neural networks, and an overview of their applications in quantum physics and chemistry — from reinforcement learning for controlling quantum…

Songbirds as vocal learners learn their songs and song preference from social tutors⁠. Tutor choice for both song and preference learning are important to characterize for understanding individual learning performance and cultural transmission of song⁠.

Complaints against decisions not to prosecute in socially sensitive issues.