On 20 februari 2019, Chris van Oostrum defended his thesis 'Regres bij concernfinanciering'. The doctoral research was supervised by Prof. mr. S.M. Bartman.

De decentralisaties van de zorg aan langdurig zieken en ouderen, jeugdzorg, en werk en inkomen die vanaf 2015 zijn doorgevoerd in Nederland hebben geleid tot een transitie van een centraal naar een lokaal stelsel van zorg en welzijn. Deze transitie beoogt zorg en ondersteuning dichter bij de inwoners…

Werken bij een topuniversiteit? Met uitstekende carrièremogelijkheden? Ontdek de mogelijkheden bij de Universiteit Leiden.

On 7 March 2019, Maria de Jong-de Kruijf defended her thesis 'Legitimiteit en rechtswaarborgen bij gesloten plaatsing van kinderen'. The doctoral research was supervised by Prof. mr. M.R. Bruning en Prof. mr. T. Liefaard.

With the growth of cybercrime in recent years, there is an urgency to gain insight into the money laundering process and the actors involved. This study focusses on the money laundering process and maps the actors involved in banking malware and ransomware.

On 19 February 2019, Mirjam Sombroek-van Doorm defended her thesis 'Medisch beroepsgeheim en de zorgplicht van de arts bij kindermishandeling in de rechtsverhouding tussen arts, kind en ouders'. The doctoral research was supervised by Prof. dr. A.G. Castermans en Prof. mr. C.J.J.M. Stolker.

This dissertation presents the results of the importance of creativity for ICT-students of Dutch universities of applied sciences (in Dutch: hogescholen), and the functioning of training courses that aim to promote creative abilities is highlighted.

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.

Kan artificiële intelligentie (AI) helpen om subtiele veranderingen in de gewrichten op te merken op MRI-beelden van patiënten met reumatoïde artritis? Die vraag gaan Leidse wetenschappers beantwoorden dankzij een subsidie van de Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO).

Lamberto Zannier, Secretary General of the Organization for Security and Co-operation in Europe (OSCE), gave a lecture on ‘The OSCE, a bridge between East and West and a platform for dialogue on European security’

Door de geopolitieke spanningen wereldwijd waaronder de oorlog in Oekraïne, wil Defensie overal in het land fors uitbreiden. Dit zal o.a. gevolgen hebben voor de opvanglokaties waar asielzoekers verblijven, maar ook voor burgers waarvan de woningen voor de plannen moet wijken.

Op woensdag 24 april 2024 organiseerde de studievereniging Suum Cuique haar jaarlijkse congres, dit jaar met het thema ‘De WAMCA en ideële vorderingen’. Branda Katan, bijzonder hoogleraar Corporate Litigation bij de Universiteit Leiden en partner bij Stibbe, sprak samen met Robin Tess Bolland, advocaat…

How do perpetrators of notorious crimes integrate in society after their imprisonment? Marieke Liem and Daan Weggemans investigated this in in-depth interviews with ten Dutch convicts for murder, paedophilia and terrorism.

Het rapport van de Commissie Sorgdrager naar aanleiding van de Hawija-zaak, wijst uit dat Defensie niet transparant is over eigen fouten. Wim Voermans, hoogleraar Staatsrecht, bevestigt in Nieuwsuur dat ‘Defensie een patroon laat zien van verkeerd en onjuist informeren van de Tweede Kamer.’

Sinds vorig jaar staan er gekleurde pilaren op de universiteitscampus. Met deze ‘Act of Kindness Pillars’ wordt eenzaamheid bij studenten tegengegaan.

Principles of Environmental Sciences provides a comprehensive picture of the principles, concepts and methods that are applicable to problems originating from the interaction between the living and non-living environment and mankind. Both the analysis of such problems and the way solutions to environmental…

Is it possible to formulate a new conceptual foundation for attributing an evaluative role to historiography of science, without relinquishing the historiographic sensitivity of recent work in the discipline?

The overall objective of ECS is to widen and strengthen the European Citizen Science community through capacity building and awareness raising activities such as the creation of a European Citizen Science Academy and the establishment of a network of 28 ECS Ambassadors.

What tools can be applied to measure the output, outcome and impact of science communication efficiently and effectively?

How can we bridge the gap between experts and the general public?

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

The mission of the Plant Science research programme is to contribute to the sustainable production of high quality crops, flowers and high-value bio-based products. This is realised by generating fundamental knowledge of basic biological processes related to development of plants and their interaction…

Jeugdhulpinstanties zijn ernstig tekort geschoten bij hulp aan het mishandeld pleegmeisje uit Vlaardingen, blijkt uit nieuw onderzoeksrapport. Hoogleraar jeugdrecht Mariëlle Bruning schoof aan bij Nieuwsuur: ‘Het gaat om extreem menselijk falen.’

Er zijn structurele (sociale) veiligheidsproblemen in vrouwengevangenissen, blijkt uit onderzoek van Leidse onderzoekers Esther van Ginneken en Yara Abbing. Universitair hoofddocent Van Ginneken sprak met Trouw: ‘We moeten macht, seksualiteit en discriminatie bespreekbaar maken.’

Dat banken en de belastingdienst vanzelfsprekend voorrang hebben als schuldeiser bij faillissementen is achterhaald, concludeert Ruben van Uden, universitair docent en promovendus, in zijn proefschrift. Hij vertelt erover bij BNR: ‘Het is niet meer te rechtvaardigen.’

Het Centraal Orgaan opvang asielzoekers (COA) moet dwangsommen gaan betalen aan de gemeente Westerwolde bij overbezetting in Ter Apel. Wim Voermans, hoogleraar Staats- en Bestuursrecht, spreekt zich bij Sven op 1 uit tegen de maatregel: ‘Ze willen chaos creëren.’

De uitnodiging staat ter discussie vanwege Bosmans controversiële uitspraken over het slavernijverleden. Bosman is echter in de hoedanigheid van voorzitter van de Tweede Kamer uitgenodigd en niet als PVV’er. Wim Voermans, hoogleraar Staatsrecht, spreekt over dit onderwerp in het Parool.

In the research programme Microbial Sciences we perform state-of-the-art research in the field of biotechnology and microbial sciences.

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

This NWO-funded research programme focuses on the assumptions and methodology of the writing of history of science. History of science is in many respects a flourishing discipline: it currently yields an impressive volume of studies. Systematic reflection about the ways in which history of science may…

The master's specialisation Data Science: Computer Science at Leiden University provides students thorough knowledge and understanding of statistical and computational aspects of data analysis, including their application in databases, advances in data mining, networks, pattern recognition, and deep…

The research programme Statistical Science is concerned with the analysis and interpretation of masses of data, the quantification of uncertainty using probability models, and the development and benchmarking of algorithms and methods with these aims.

There are eight institutes at the Faculty of Mathematics and Natural Sciences:

The Faculty of Science

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

The objective of this project is to understand the content and structure of science teachers’ knowledge and beliefs, and how these change in the context of pre-service teacher education and educational innovation.

What is and should be the role of universities in supporting business? How can business benefit more of relationships with science? And what is the role of policy makers in supporting a productive relationship between science and business? Professor Simcha Jong Kon Chin examines the interactions between…

After your graduation, Leiden University would love to stay in touch with you. Alumni are an important part of the university; with your experience we can improve the education, and you can be part of a valuable network full of knowledge and experience. Find out what options you have to stay in touch…

The master’s specialisation Computer Science and Science Communication and Society at Leiden University bridges the gap between experts and the public by combining high quality research in computer science with extensive training in science communication.

The extensive use of electronic communication channels and other devices has opened new possibilities for collecting data on human behavior. This information is sometimes openly accessible, but largely part of administrative registration systems that are not open to the broader public. The data provides…

Today, everybody and everything produces data. People produce large amounts of data in social networks and in commercial transactions. Medical, corporate, and government databases continue to grow. Sensors continue to get cheaper and are increasingly connected, creating an Internet of Things, and generating…

How do museum visitors interpret the authenticity of museum objects? How can we support visitors' meaningful interactions with real objects?

Research and design are becoming more and more important in international science education. In The Netherlands, two recently introduced subjects focus on research and design activities in the classroom: O&O (research and design) and NLT (nature, life and technology). This research aims to look at what…

The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.

From where litter ends up to which languages are spoken in Leiden and The Hague: over 50 interesting, surprising, complex and entertaining questions were sent in for the Citizen Science project to mark our 444th anniversary. Not one but two Citizen Science projects will be starting this year in Leiden…

Citizen science has recently become a widely used term, but what does it mean exactly? How does citizen science compare to crowdsourcing? And where does community archaeology stand in this discussion?

On this page you find all the ways through which the Institute of Psychology aims to foster Open Science.

Are you thinking about studying Biomedical Sciences? Learn more and watch a short promo video.