Macrophages – the front line of our immune system – protect us from infections. But in the case of the tuberculosis bacteria, this often goes wrong. The group of Annemarie Meijer from the Leiden Institute of Biology has now discovered that macrophages in zebrafish are better able to eliminate tuberculosis…

Merijn de Bakker and colleagues of the IBL-research group of Prof. Mike Richardson provide a unique view on digit evolution in crocodiles and birds in their recent study published in Nature.

A new mathematical model may explain how body cells get their shapes and what makes them move within a tissue. The model provides fundamental knowledge for applications in tissue engineering, amongst other things. Publication in open-access journal iScience.

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

On 20 June 2024, the Europa Institute held its annual PhD Day at the Gravensteen Building. This event brought together PhD candidates in European law to present their research projects, share input from preliminary findings and engage in discussions with their peers and supervisors. The day was filled…

Dr Nadine Akkerman, lecturer in Early Modern Literature and postdoctoral researcher in Leiden, has written a new book to accompany the exhibition on Elizabeth Stuart and Amalia von Solms at the Historical Museum of The Hague. ‘They were like goddesses, constantly trying to upstage one another,’ says…

Six students of archaeology, history and art history are to follow the Silk Route in Central Asia, looking for evidence from ancient history for the enormous cultural exchange brought about by this trade route. They are conducting their research for the exhibition on the Silk Route that opened in the…

Antibiotic resistance is one of the major threats to human health. This week the National Antibiotic Development Platform, NADP, was officially launched via a meeting in Utrecht, with many of the stakeholders in the field present.

The idea that socially anxious people avoid eye contact because they are not interested in other people needs to be changed. They take their information from other physical sources, such as people's hands. This is the finding of Leiden psychologist Mariska Kret whose research has been published in…

To properly understand how babies absorb a language we need to study the process from a number of different perspectives, linguist Claartje Levelt argues. She accepts her appointment as Professor of Language Acquisition on 27 March with an inaugural lecture entitled ‘Language in its infancy’.

Fishes rely heavily on sound to find their way during migration or dispersal. Many species are affected by noise pollution. Hans Slabbekoorn from the Institute of Biology Leiden received a HORIZON2020 grant of 500,000 euros to study the impact of sound conditions on movement decisions of fishes.

Marcia Brandenburg, PhD candidate at Clinical Child and Adolescent Studies in Leiden, is the winner of the Dutch final of the science communication competition FameLab. She will represent the Netherlands in the final.

This book describes the different approaches for drug delivery to the brain with an emphasis on the physiology of the blood-brain barrier (BBB) and the governing principles and concepts for drug delivery across the BBB

Geometrical patterns serving as decorations do more than just that; they always have a meaning, according to art historian Arthur Crucq. Doctoral defence 17 May.

The Dutch biotech start-up In Ovo is the first company to develop a large-scale solution for determining the sex of a chick while it is still in the egg. This fast and cheap technique can be applied mechanically at hatcheries, which was not possible before.

The ‘Stans Prize 2014' (for the best thesis, report or article produced by a CML student) has been awarded to Myrthe Fonck. Other CML prizes were awarded to David Font Vivanco, Ester van der Voet, Martina Vijver and Paul van den Brink.

Four videos tell the story of the history of Leiden University. The films were premiered on 2 November during the Leiden Film Festival.

Food production in the Netherlands is an economic success but has led to many environmental issues, including nitrogen pollution. Recently, the policy to allow economic growth while reducing nitrogen losses was disapproved by the highest court in the Netherlands, casting the country into a nitrogen…

The strange tropical plants belonging to the Corsiaceae family first emerged millions of years ago on the supercontinent of Gondwana. That is what Leiden University researcher Constantijn Mennes concludes in an article in the Journal of Biogeography.

The Faculty of Archaeology proudly presents the research brochure Perspectives on the Past, featuring passionate, dedicated researchers introducing a dazzling scala of research topics: from present-day traditional knowledge in Africa to the power of glue in Palaeolithic Europe. In addition to these…

IBL-researcher Phil Elks in the group of Annemarie Meijer won the Cell Observatory Publication of the Year 2013. He received the award for his paper in PLoS Pathogens, showing that activation of hypoxia signaling protects against mycobacterial infection.

Bacteria and fungi on organic dairy farms are significantly different from those on conventional farms. That was discovered by postdoc researcher Sofia Gomes and her supervisors Nadia Soudzilovskaia and Peter van Bodegom in collaboration with the Louis Bolk Institute and Naturalis Biodiversity Centre.…

Mathematical biologists from Leiden have developed a model that helps to explain how the spine and vertebrae, among other things, form during embryonic development. The same process, the other way around, plays a key role in cancer metastasis. Publication in iScience.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

Advanced fluorescence microscopy techniques have revealed how steroid receptors move inside the nucleus. The results were published by a team from Leiden University and the Erasmus Medical Center in Rotterdam, led by IBL-researcher Marcel Schaaf.

The Faculty of Science forges new research collaborations with the Institut Teknologi Bandung in Indonesia in the fields of tropical diseases, e.g. tuberculosis and medical biotechnology.

The NWO just announced the results of the Vrije Competitie proposals. Paul Smith, professor at the French department is, as a member of LUCAS, one of three scholars within the Faculty of Humanities at Leiden University who has been awarded this grant.

Remko Offringa, Associate Professor in Plant Developmental Genetics, and Associate Professor in Molecular Microbiology Arthur Ram both have been appointed as the new Directors of Education at the IBL. Offringa in the role as Director of Education for the Master program and Ram as Director for the Bachelor…

Photographs of sacred rituals and ceremonies in Asia by Bangkok-based photographer and author Hans Kemp can be seen in the front hall of the Leiden Town Hall from 27 June to 19 August 2019. Here a sneak preview.

On Friday 8 June 2018, Hugo Weiland’s long-standing service was celebrated with a festive lunch organized by board members Ida van Veldhuizen en Hans van Eenennaam.

Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.

Smallholder farms in tropical regions can double their crop production by 2030 compared to 2015, a study finds to which José Mogollón (Institute of Environmental Sciences) contributed. But to achieve this, the farmers must increase the input of phosphorus beyond what is currently foreseen. The study…

On 24 September the Institute of Environmental Sciences (CML) in Leiden will launch the new version of the Pesticides Atlas in cooperation with Rijkswaterstaat and Royal HaskoningDHV. The online tool is now faster, more user-friendly, more accessible and all data can be downloaded directly. Users can…

As of 1 March 2018, Elizabeth (Liesbeth) de Lange has been appointed as Professor of Predictive pharmacology at the Leiden Academic Centre for Drug Research (LACDR). She is head of the research group Predictive Pharmacology and mainly aims at developing mathematical models that can predict the effect…

In November 2019 visual artist and PhDArts candidate Riccardo Giacconi obtained the doctoral degree with the research project The Variational Mode. This summer Giacconi has been awarded a LUF grant for the research project The ‘Option’ aftermath in South Tyrol. The research will be conducted at the…

The Just Peace festival is coming up shortly. From 21 to 24 September we will be celebrating peace in The Hague with some inspiring HagueTalks, the Peace in the Park festival and the annual Peace Run.

Neanderthals in cold regions probably ate a lot more vegetable food than was previously thought. This is what archaeologist Robert Power has discovered based on new research on ancient Neanderthal dental plaque. PhD defence 1 November.

Though tuberculosis can be cured today, new resistant strains of the bacteria are becoming a growing problem in the medical world. Biologist Annemarie Meijer and her colleagues are studying resistance to this disease. Their research is already yielding several interesting clues that could help the development…

This spring the Netherlands holds the presidency of the European Union. Leiden Europe researchers have taken the opportunity to examine the future of the European Union and where appropriate to give advice. They will present their book on Friday 29 April in Nieuwspoort.

Biological chemist Nathaniel Martin is going to test an alternative antibiotic that can combat common resistant bacteria such as MRSA. For this purpose, he will receive 350,000 euros from the NWO's NACTAR programme. ‘We want to know how safe and effective our antibiotic is in a realistic situation.’

On an excavation site in Oegstgeest Leiden University archaeologists discovered a very rare silver bowl from the first half of the seventh century. The bowl is decorated with gold-plated representations of animals and plants and inlaid with semi-precious stones. The discovery suggests the existence…

When foreign matter enters our body, our immune system has to make a choice whether or not to go on the attack. There are times when the system goes wrong, and we end up with an illness or an allergic reaction. Researchers at LUMC are trying to steer the immune system. The dossier on Immunity, Infection…

Stijn Bussels will attend the two-day conference on The Tableau Vivant – Across Media, History, and Culture at the Colombia University of New York. He will deliver a paper on ‘‘Restored Behaviour’ and the Performance of the City Maiden in Joyous Entries into Antwerp’.

After 41 years, Meindert Danhof, Professor of Pharmacology, is leaving the Leiden Academic Centre for Drug Research on 31 March. A symposium in his honour, prior to his farewell lecture, will show what has been achieved in this period. Danhof takes a look back on his career.

The Laboratory of Material Culture Studies welcomes two new researchers in October 2013. Dr. Christina Tsoraki and Dr. Benjamin Tun-Yee Chan, both from the Department of Archaeology of the University of Sheffield, received a Marie Curie research fellowship and will perform their research for 24 months…

When mosquito eggs hatch in nutrient-rich water, the mosquitoes are larger and they can also fly further. That is the first conclusion of a study from by the Netherlands Centre for One Health (NCOH) by PhD-student Sam Boerlijst.

Large-scale forest fires started by prehistoric hunter-gatherers are probably the reason why Europe is not more densely forested. This is the finding of an international team, including climate researcher Professor Jed Kaplan of the University of Lausanne and archaeologist Professor Jan Kolen of Leiden…

China’s booming aquaculture industry is increasingly dependent on fishmeal made from wild-caught fish, a practice that depletes wild fish stocks. A new study conducted by institutions including Leiden University and Stanford offers a more sustainable path. The study appeared in the journal Science on…

As Scaliger professor, Erik Kwakkel is responsible for the academic context of the complete Special Collections of the Leiden University Library. His inaugural lecture on 15 May will focus mainly on the section closest to his heart: Medieval books.

Epithelial cells play a crucial role in the lungs. PhD student Ying Wang researched the effects of cigarette smoke and viruses such as COVID-19 on these epithelial cells. ‘We hope to reduce the risk of pandemics in the future.’