Illegal images spread fast via social media. That became painfully clear last week following incidents involving teenagers in Dutch towns. Bart Schermer, Professor of Law and Digital Technologies, spoke to NRC newspaper about the role and responsibility of social media platforms.

Political parties are calling for a ban on sharing images of victims. Bart Schermer, Professor of Privacy & Cybercrime, spoke about this with Rijnmond: ‘Criminal law is too often used to solve societal problems.’

A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.

Drug-induced liver injury (DILI) is one of the main reasons for drug attrition during pre-clinical and clinical phases of drug development as well as for drug withdrawal post-marketing.

Tech company Eyeball collects images and data on young amateur football players on a large scale. But is this allowed? Bart Custers, Professor of Law and Data Science, and Gerrit-Jan Zwenne, Professor of Law and Digital Technologies, comment on the issue in ‘NRC’ newspaper.

In this thesis, we have studied cell images from two types of cells, including pollen grains and the immune cells, neutrophils. These images are captured using a bright field microscope and a confocal microscope.

The Leiden Centre of Data Science and the Leiden Institute of Advanced Computer Science are part of a consortium that will carry out research on making illustrated and handwritten archives digitally accessible. The project is funded by NWO.

Noah Millman defended his thesis on 26 May 2015

Marietje Beemsterboer defended her thesis on 12 June 2018 (in Dutch)

Promotor: K.J. Batenburg

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

On 14 September 2021, Bram van der Sar defended his thesis 'Fiscale geheimhoudingsplicht: art. 67 AWR ontrafeld'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.

Promotores: R. Tijdeman, K.J. Batenburg

For the first time, astronomers have managed to take a photo of a supermassive black hole and its shadow. They used the Event Horizon Telescope (EHT), a worldwide network of eight radio telescopes that together form a virtual telescope the size of the earth. The news was presented in six press conferences…

Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

Generative AI presents journalists with new options for image use but also raises ethical questions.

Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.

How you think about yourself is important for the choices you make. Adolescents are faced with choosing a study programme that will determine their future, while their self-image is still under development. Tough choice? Research by psychologist Laura van der Aar has shown that taking a training course…

Delve into the depths of black hole imaging as anthropologist Rodrigo Ochigame unveils the human decisions shaping its portrayal. Explore four alternative color choices at the 'Towards the Black Hole' exhibit, now showing at Rijksmuseum Boerhaave, Leiden.

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

GIFs, memes and videos: anyone who opens a social media platform can be in no doubt that today we live in a visual culture. But the role of images in social communications isn’t new, says Associate Professor Marika Keblusek. She has been awarded a Dutch Research Council (NWO) Open Competition (Large)…

The aim of this thesis was to develop and evaluate a Ecological Professional Development Model to support preservice biology teachers to direct their own subject-specific ecological professional development route.

On 18 November 2021, Anneke Keulemans defended the thesis 'Het Unierechtelijke verdedigingsbeginsel'. The doctoral research was supervised by Prof. J.P. Boer and Prof. A.O. Lubbers.

Castles, monasteries and bridges, but also city profiles, history prints and water management works. Leiden University Libraries (UBL) manages one of the most important collections of topographical images in the Netherlands. The collection, bequested to UBL by Johannes Tiberius Bodel Nijenhuis (1797-1872)…

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

Researchers from the University of Oxford’s Bodleian Libraries and from universities in the Netherlands have used high-tech imaging to uncover the details of a rare Mexican codex dating from before the colonisation of America.

An international team of astronomers has published the most sensitive images of the Universe ever taken at low radio frequencies, using the International Low Frequency Array (LOFAR). ‘LOFAR is unique in its ability to make high-quality images of the sky at metre-wavelengths’, said Huub Röttgering, Leiden…

Chemical-induced organ toxicity is a major concern in the development and use of chemicals, including drugs, pesticides, industrial chemicals and cosmetics. In the last decades, the onset and progression of chemical-induced organ toxicity has been linked amongst others to perturbation of mitochondri…

In this thesis, we use low-frequency and high-frequency radio observations to address the following questions regarding quasars: is the radio loud/quiet quasar dichotomy real?

Queen Juliana was not, as is often claimed, a monarch with an unstable character who was completely under the influence of spiritual healer Greet Hofmans. Furthermore, her religious circle of friends was not a sect with a political agenda. That is what Han van Bree concludes on the basis of a new archival…

PhD defence

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.

Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…

Associates of Leiden University Center for Intercultural Philosophy

Below you will find an overview of the publications of The Leiden Advocacy Project on Plastic.

As eLaw Postdoc researcher exploring the multiple intersections between law, gender, and technology, Carlotta Rigotti has recently participated in a groundbreaking international workshop focused on combatting image-based sexual abuse (IBSA) at the CAIS premises in Bochum, Germany.

Advanced UHF MRI techniques provide powerful tools for studying the zebrafish brain, an emerging model in neurological research. In this work, various MRI and localized MRS methods are optimized and employed for UHF strength for studying the zebrafish brain.

Promotor: Prof.dr. J.N. Kok, Co-promotor: F.J. Verbeek

On 14 November 2019 Niek Schipper defended his thesis 'De invloed van de woonplaats op de fiscale behandeling van grensoverschrijdende werknemers'. The doctoral research was supervised by Prof. S.C.W. Douma and Prof. J.P. Boer.

In the first half of the sixteenth century, the Low Countries saw the rise of a lively market for practical and instructive books that targeted non-specialist readers. This study shows how woodcuts in vernacular books on medicine and astrology fulfilled important rhetorical functions in knowledge communication.…

Beginning teachers often experience difficulties making activating lessons. This study investigates how and if the practical teaching model can offer them a hand in learning to design lessons.

Visualizing the internal structure is a crucial step in acquiring knowledge about the origin, state, and composition of cultural heritage artifacts. Among the most powerful techniques for exposing the interior of cultural heritage objects is computed tomography (CT), a technique that computationally…

Traditional biochemical methods for studying organelles require cell disruption, preventing the real-time observation of dynamic intracellular processes.

In this thesis, the researcher developed a nanosystem based on the metallophilic Interaction between cyclometalated complexes.

In Belgium Radio 1, Marieke Liem (professor of Violence and Interventions) gives a scientific perspective on serial killers and explains the typical Hollywood image of serial killers is not in line with reality.

Nicky Boer is enrolled in the Educational Master’s Programme in Social Studies/Social Sciences at ICLON, the Leiden University Graduate School of Teaching.

Controversial environmental organisation Sea Shepherd fights illegal fishing all around the world and is not afraid to take direct action. Alumnus Geert Vons is director of Sea Shepherd Netherlands. How does he look back on his degree in Chinese Studies, and what motivates him in his work? ‘If we don’t…