Yvonne Erkens, Associate Professor at the Department of Labour Law and Social Security co-organised a symposium entitled ‘Misdirected allegations of breaches of research integrity’ with Frits Rosendaal (LUMC) and Ivan Oransky (Retraction Watch) at the World Conference on Research Integrity. The conference,…

To discuss this question, chairmen, members, and secretaries of the Research Integrity Committees (Commissies Wetenschappelijke Integriteit, CWI) of almost all Dutch universities gathered at the Leiden Observatory on 21 April. Also present were members of the committees from Leuven, Brussels, Ghent,…

Het faculteitsbestuur heeft prof. Van den Bogaert benoemd tot wetenschappelijk directeur van het Instituut voor Publiekrecht. Van den Bogaert is hoogleraar Europees recht en al meer dan 10 jaar hoofd van de afdeling Europees recht. Hij is tevens directeur van de Stichting Europa Instituut.

Vacancies at the Department of Economics

Sense Jan van der Molen is vanaf 1 maart de nieuwe wetenschappelijk directeur van het Leiden Instituut voor Onderzoek in de Natuurkunde.

On Friday 17th September 2021 an inaugural lecture was held by prof.dr.ing. Bram Klievink entitled: 'Hollen én stilstaan: hoe data en digitalisering de overheid veranderen'.

The findings in this thesis improve the understanding of 1) the relationship between exposure characteristics and toxicity of ENPs, 2) the joint toxic action of ENP mixtures and the comparison to metal salt mixtures, 3) how NOM affects the individual and joint toxicity of ENPs, 4) the extent of trophic…

Fate and toxicity of copper nanoparticles was related to the water chemistry of the environment and pristine size.

The Public Policy and Innovation department of the Institute of Public Administration focuses on shaping, implementing, and evaluating policy through innovative approaches. Our goal is to tackle complex societal challenges by exploring technological advancements and creative policy tools.

In this paper, Sarah Giest and Bram Klievink highlight the effects of AI implementation on public sector innovation. This is explored by asking how AI-driven technologies in public decision-making in different organizational contexts impacts innovation in the role definition of bureaucrats.

Over the past years it has been discovered that the population of extra-solar planets is large and diverse.

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.

MetaROR is an open peer review platform based on the publish–review-curate model and aims to improve the dissemination and evaluation of metaresearch.

In the master’s programme in Archaeology, you can follow courses on the archaeology of Europe, deepening your understanding of the continent’s long history.

Big data promises to transform public decision-making for the better by making it more responsive to actual needs and policy effects. However, much recent work on big data in public decision-making assumes a rational view of decision-making, which has been much criticized in the public administration…

The research described in this thesis shows that hypercholesterolemia, a well-established risk factor for atherosclerosis, can impact skin lipid pool and barrier function already at young age. In the field of atherosclerosis, we showed that the small peptide Lyp-1 can be used as a targeting molecule…

Promotor: J.M. van Ruitenbeek, Co-Promotor: S.J. van der Molen

Assessing the risks of engineered nanomaterials (ENMs) solely on the basis of experimental assays is time-consuming, resource intensive, and constrained by ethical considerations (such as the principles of the 3Rs of animal testing). The adoption of computational toxicology in this field is a high p…

Which intervention technique is more effective in reducing public speaking anxiety in children aged 9 – 12 years, exposure or restructuring cognitions?

Electron microscopy has become an extremely important techniquein a wide variety of elds.

More on the Dutch webpage.

Mattias Brand defended his thesis on 10 April 2019

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.

This research sets out to answer the following questions:

Arts and culture, Pianoconcert

The data-driven economy allows for the collection and processing of large amounts of data. Such data can be used to optimize profits by (dynamically) differentiating prices for different consumers.

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.

On 12 November 2019, Larissa Koupriuchina defended her thesis 'Judgmental Adjustments in Revenue Management'. The doctoral research was supervised by Prof. J.I. Van der Rest.

As of November 1st 2019, Sybille Lammes, Professor of New Media and Digital Culture, will be the new academic director of the Leiden University Centre for the Arts in Society (LUCAS). She succeeds Anthonya Visser, who has been the institute's academic director since 2014. It is a three year-long appointment.…

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

Elk jaar organiseert het LIBC in samenwerking met de gemeente Leiden een Publieksdag over hersenonderzoek.

How does the vision of problems and solutions from

The objective of this project is to show how teacher research can encourage teachers’ learning process as professionals, improve teaching practices and generate knowledge about these practices.

Inaugural lecture

The new cabinet threatens to cut nearly a billion euros from higher education. This not only endangers academic work, it is a disaster for the Netherlands itself. The proposed penalty on study extensions and other financial measures will heavily impact students and will reduce education accessibility.…

Below you will find a collection of books, other than those in the BLRN book series, to which members of BLRN have contributed.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

From historical understandings to new treatments: during the Public Day of the Leiden Institute for Brain & Cognition, curious visitors learned how rapidly research into brain disorders is evolving. ‘I found the neurosurgery and the research on organoids on chips particularly fascinating.’

Overview of granting opportunities in the wider digital humanities community.Follow links for the most up-to-date details on deadline dates/times and conditions for applying. Note: This page is in the process of being updated (27.07.2025) - please check websites to confirm grants are still available…

Onlangs is de eerste aflevering van ESG Law & Litigation (ESGL) verschenen. ESGL is een online uitgave van M.A.D.Lex.

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).

De Prix de Paris is een aanmoedigingsprijs voor jong, Nederlands talent. Deze prijs (ter waarde van 15.000 EUR) is bedoeld ter stimulering van wetenschappelijk onderzoek over Frankrijk. De deadline voor aanmeldingen is 1 mei 2021.

Who authored the best theses in Leiden University's Political Science BSc programmes?

A research team from Leiden University, in cooperation with Bureau Boekhoorn Sociaal-Wetenschappelijk Onderzoek en Advies (BBSO), is to evaluate Dutch counterterrorism legislation.

On Thursday 3 November, Leiden University celebrated the official opening of two wall formulas in the Leiden city centre. Snell's law and the formula for the Lorentz force shine on two walls in the heart of Leiden. TV channel Omroep West interviewed the initiators Sense Jan van der Molen and Ivo van…

PhD candidate Jonathan Ouellet is a guest on the latest episode of the Wetenschappelijke Wezens podcast. As a researcher specializing in the numismatics of the Middle East, Central Asia, and China, Jonathan discusses currency and trade networks during the Early Islamic Period of said area. Hence, listen…

The faculty year was opened on Tuesday 1 September 2020 with a live talkshow broadcast from the KOG building and presented by Bastiaan Rijpkema and Stephanie Rap.

Leidsch Dagblad reports February 2022 in two articles about the cooperation between Leiden University and China.