Duizenden metaalvondsten die door detectorzoeker wijlen Herman Zomerdijk zijn gedaan in de regio Kennemerland schetsen een uniek beeld van Noord-Holland door de eeuwen heen. Hij zocht en verzamelde decennialang historische metalen objecten in Noord-Holland en bouwde zo een unieke metaalcollectie op.

Zijn sociale aspecten van anxiety-like gedrag bij zeer jonge zebravissen al aanwezig? Zijn deze afhankelijk van de coping style (persoonlijkheid) van het individu? Zijn deze gedragingen endocrien te moduleren, bv door oxytocine?

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…

Kralen spreken tot de verbeelding. Ze zijn aantrekkelijk en persoonlijk vanwege hun kleuren, materialen, patronen en associaties. Je draagt ze op je lichaam, waar je ze voelt en anderen ze zien. Kralen zijn waardevol en verplaatsbaar, tegelijkertijd reizigers en souvenirs.

Schatten uit het oude Armenië

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

De Nederlandse geschiedenis is nauw verbonden met die van de wereld als geheel. Door migratie, handel en kennisuitwisseling beïnvloedden mensen elkaar over grotere afstanden en intensiever dan we lang dachten. Wereldgeschiedenis van Nederland toonde in meer dan honderd verhalen hoe internationaal de…

In films kunnen de meest wonderlijke acties plaatsvinden. Maar zijn die acties in de 'echte' wereld ook mogelijk? En in hoeverre houden filmmakers ons voor de gek? Tijdens het Leiden International Film Festival komen film en wetenschap samen.

Mattias Brand defended his thesis on 10 April 2019

De positie van kunst en kunstenaars in de westerse samenleving

À La Découverte de la Hollande dans les années 1760-1770 : Pierre Famin, Emmanuel de Croÿ-Solre, François-César Le Tellier, Jean-Marie Roland de la Platière, Gabriel-François Coyer. Textes réunis et présentés par Madeleine van Strien-Chardonneau, Paris, Société française d’étude du dix-huitième siècle,…

Our group explores the larger domain of quantum measurement. In particular we investigate two themes that are closely connected: The detection of specially prepared quantum states of light and understanding and characterizing quantum photon detectors.

Promotor: Prof.dr. J. Schaye, Co-promotor: Marcello Cacciato

Wil je onderzoeksideeën en nieuwe publicaties in informele setting met vakgenoten bespreken? Meld je dan aan voor deze nieuwe seminar-reeks! Elke laatste woensdag van de maand komen we samen, afwisselend op locatie en online. De eerste bijeenkomst zal plaatsvinden op woensdag 26 oktober van 16:00 tot…

Bijna vijf jaar na de laatste ontmoeting hopen we opnieuw samen te komen met alle medioneerlandici. Ditmaal wordt de Dag van de Medioneerlandistiek georganiseerd in Nijmegen door de Radboud Universiteit, op vrijdag 24 maart. Het thema luidt: ‘De medioneerlandistiek en de wereld van nu’.

Former PhD, Bachelor and Master students of the Van Exter Lab

Op 2 oktober 2023 zullen meerdere nieuwe delen in de reeks Middeleeuwse Verzamelhandschriften uit de Nederlanden worden gepresenteerd, ditmaal uitsluitend in digitale vorm.

This year, the National Clean-up Day, in an adapted form, will take place. Join us and take a clean-up walk on Saturday, March 20.⠀

Michiel Claessen, Ineke van der Ham, Nicolien de Rooij and Anne Visser have published a paper in the Nederlands Tijdschrift voor revalidatiegeneeskunde, (Dutch Journal of Rehabilitation Medicine) entitled ‘De weg kwijt na een beroerte: screening, diagnostiek en behandeling’.

Learning from small data sets in machine learning is a crucial challenge, especially when dealing with data imbalances and anomaly detection. This thesis delves into the challenges and methodologies of learning from small datasets in machine learning, with a particular focus on addressing data imbalances…

Osteoarchaeologists help forensic scientists solve crimes. They also study bone material from the Second World War in order to identify victims.

Promotores: S.F. Portegies Zwart, E. M. Rossi

How can we find novel natural products from Actinomycetes that act as growth modulators on mammalian cells? Can we harvest and develop the potential of these novel compounds for industrial and medical biotechnology?

Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.

Archaic and Classical architectural terracottas constituted an integral part of the architecture of monumental buildings at Akragas. These objects therefore provide unique insights into the built environment of sanctuaries at this important Greek colony in Sicily. This research's multi-disciplinary…

Morphometric and morphological differences have been used extensively in the past to study domestication of the wolf and the origin of dogs. Certainly before genetic testing was performed, these methods were the only means to diverge both groups. But still now, when aDNA cannot be extracted, morphometry…

Like any language, the natural sign languages of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that sign languages make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

Are you a British citizen currently studying at Leiden University? Find out about the effects of Brexit such as the transition period, residence permits, tuition fees and more.

Coming to and living in The Netherlands after Brexit.

Like any language, the natural sign languages (henceforth: SLs) of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that SLs make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

Promotor: M. de Jong, Co-Promotor: Samtleben

The Leiden Institute of Advanced Computer Science (LIACS) aims on doing applied research with partners. You can be involved in our research, and in the knowledge transfer of our research results.

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

Bij Amsterdam University Press verschijnt 'Imams in Western Europe. Developments, Transformations and Institutional Challenges' onder redactie van Mohammed Hashas, Jan Jaap de Ruiter en Niels Valdemar Vinding, een publicatie waarin tal van zaken met betrekking tot imams in Europa behandeld worden. De…

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On the 17th of January, Sarah Von Grebmer Zu Wolfsthurn successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sarah on this achievement!

Biological cells, the basic building blocks of all life forms, are surrounded by a lipid membrane. More than half of the membrane is occupied by membrane proteins, which can regulate the cell functionality through specific arrangements.

What are 'defects' and mechanical properties of mosaics of different shapes of tiles?

Smart algorithms and powerful processors are just as essential for astronomy as big telescopes. Astronomers at Leiden University therefore constantly operate at the interface between astronomy and data science.

Patients share valuable advice and experiences with their peers in online patient discussion groups.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. The registration window has been closed.

New Approaches to the Study of Textual Material from the Early Pharaonic to the Late Antique Period

A Functional Analysis of Pre-Columbian Shell and Stone Artefacts from Anse à la Gourde and Morel, Guadeloupe, FWI

One of the current research projects funded by the profile area Political Legitimacy is the research group From Disorder to Order: Conflict and the Resources of Legitimacy.

Muslim scholars work in a long and rich tradition of knowledge-production in their own culture.

Promotor: J.N. Kok, Co-Promotor: A.J. Knobbe

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.