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,…

Vacancies at the Department of Economics

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.

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 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.

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.

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…

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

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

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…

More on the Dutch webpage.

Mattias Brand defended his thesis on 10 April 2019

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.

This research sets out to answer the following questions:

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.

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.

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.

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.

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…

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.

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…

PhD candidate Maia Casna was a guest on the new episode of the Wetenschappelijke Wezens podcast. In it, Maia discusses her research on urbanisation and respiratory diseases while uncovering the intricacies of studying the human past and bones.

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

Onlangs verscheen het boek ‘Afgrond zonder vangnet’ van Yra van Dijk, hoogleraar Moderne Nederlandse Literatuur. In haar boek analyseert ze verschillende thema's in het werk van Arnon Grunberg.

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

Resigning scientific director of the physics institute Eric Eliel has received the RISE prize for his outstanding commitment to increasing gender equality.

Sanneke Kuipers and Dyonne Niehof wrote a blog about 'The Resilient City'. They describe the resilience of a city such as New Orleans after Hurricane Katrina and also provide insights of social capital and the resilience of The Hague.

On 21 and 22 April 2022, Vanessa Mak participated in the conference 'Transformation of Consumer Law' at the University of Warwick, organised by Christian Twigg-Flesner and Hans Micklitz.

Afgelopen zondagavond, 22 augustus, is na een kort ziekbed onze zeer gewaardeerde collega professor Wim Jiskoot, Hoogleraar Technologie van toediening van medicijnen, overleden. Wim werd twee weken geleden onverwachts geconfronteerd met het feit dat hij een vergevorderd stadium van kanker had, waarvoor…

African researchers want more international research collaborations for better representation in the scientific community. As of now, their voices are often not heard, even when it comes to topics of interest to the African continent.