More and more people worldwide have infections caused by bacteria that are resistant to many types of antibiotic. Why is this and how big of a problem is it?

Researchers from Biomon have used DNA-techniques to find 40 different species of fish in the river Dommel. This technique is capable of detecting more species than conventional methods of measuring.

Despite the rain and awful weather, the painting job has been finished within a week. The Van der Waals-state equation is the eighth Leiden wall formula.

On Monday 18 March at 10:45 a deadly shooting took place on the 24 Oktoberplein in Utrecht, killing three people and severely injuring five others. Leiden University expresses its solidarity with the families left behind in the wake of this horrendous and regrettable incident. Several researchers of…

Author Bibi Dumon Tak will be the new writer-in-residence at Leiden University from autumn 2020.

The Netherlands-Flemish Institute is offering an internship in Cairo from March 2018 onwards. If you are interested please apply before February 15, 2018. (See the details in Dutch only)

Voor deze use case zoeken wij een gebruiker die voor onderzoeksdoeleinden interesse heeft in de auteursrechtelijk beschermde collectie van de KB en ons kan helpen met het opstellen door wensen, noden en ervaringen te delen.

The Netherlands-Flemish Institute is offering an internship in Cairo from January 2019 onwards. If you are interested please apply before 20 December, 2018. (See the details in Dutch only)

Tax collection has become highly complex and the system is creaking at the seams. Is there an easier way to collect taxes? This is the question raised by Rex Arendsen, Professor of Tax Law, in his inaugural lecture on 16 September.

It is mostly rainfall and soil acidity that determine which microbes survive in a particular habitat and which do not. This knowledge is important for maintaining biodiversity. Leiden environmentalists contributed to the research. Publication in Nature on 1 August.

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

Nitrogen deposition does not only affect plant biodiversity, but also strongly affects the composition of the remainder of the food web, through the changes in plant composition. In an unprecedented analysis of population changes of butterfly and moth species, an international research team including…

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…

The Netherlands-Flemish Institute in Cairo is offering an internship from September 2019 onwards. If you are interested please apply before 15 July, 2019. (See the details in Dutch only)

Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

The BLRN members have published extensively in recent years. In addition to the BLRN book series, dissertations of BLRN members published in the E.M. Meijers Institute Series, you will find below a selection of our publications. For a more complete overview of publications of each BLRN member, please…

The Life in Custody (LIC) Study comprises a large-scale research project into prison climate and the quality of prison life in Dutch prisons.

Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

History of Inequality and Power provides you with an in-depth understanding of the past and present that will contribute to solving current societal problems.

This one-year master's programme explores the political and cultural evolution of the world from a long-term, and broad comparative perspective. This creates a better understanding of the entangled nature of today's society.

The one-year Master's specialisation in Ancient History: Empires, Societies and Cultures offers an attractive mix of theoretical knowledge and practical experience.

In 2018, the Institute of Environmental Sciences (CML), born out of activism, exists for forty years. The institute celebrated this on 28 June in the Stadsgehoorzaal in Leiden. In the morning, proud directors and researchers looked back and forth. After this several experts discussed the current environmental…

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

Six professors and one lecturer from Leiden University have officially been appointed Medical Delta professors or lecturers.

Young babies laugh like adult apes do: producing sounds while inhaling and exhaling. Adult humans produce sounds on the exhale only. Cognitive psychologist Mariska Kret and colleagues have published an article about the development of human laughter in the journal Biology Letters.

They might not have had Twitter, but they did have brochures (pamphlets), the Roman Catholics and ‘modern’ Protestants between 1840 and 1870. In these, they launched a passionate attack on each other’s ideas. Ineke Smit has catalogued the brochures from the collection of the University Library and outlined…

Met de val van Balkenende IV laait de discussie over het functioneren van politieke partijen binnen ons democratisch bestel weer op. Opgeblazen ego’s, overambitieuze politici en partijpolitieke machtspelletjes zouden echte democratie in de weg staan. Maar die discussie is niet nieuw.

Sinds september 2010 werken Geerten Waling en Anne Heyer in het NWO project ‘The Promise of Organization’.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

To what extent does human intervention influence the world’s biodiversity? And can we predict how biodiversity and ecosystems will change in the coming years? Inaugural lecture by Peter van Bodegom, Professor of Conservation Biology, on 8 May.

Just a few years ago, jihadist terrorism was seen as Europe’s most pressing threat. Today, we are facing hybrid warfare and extremist groups that are undermining our safety from within. Bart Schuurman, Professor of Terrorism and Political Violence, calls for a different kind of research.

President Putin will be officially opening the Netherlands–Russia Year on 8 April in Amsterdam. Leiden Slavist Sjeng Scheijen was responsible for putting together the cultural programme. How much freedom did he have in doing so? ‘The Dutch photography project on the demolition of Sochi districts was…

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

The first of April was the official start of Phase II of the collaborative “PCAD4Cod”-project on the effect of sound on fish populations. Hans Slabbekoorn, associate professor at the IBL, is the principal investigator and collaborates with three PhD-students, Dr. Erwin Winter, (Wageningen Marine Research),…

How can the Dutch Sand Motor strengthen our coasts in a natural way? And how can this knowledge and experience help prevent coastal erosion in Jamaica? Researchers Alexander van Oudenhoven (Institute of Environmental Sciences Leiden) and Arjen Luijendijk (Delft University of Technology) have compiled…

Leiden has scored highly with the recent Vici awards. Of the 31 Vici winners announced by NWO, 4 are researchers in Leiden. The winners are: Professor of Family and Child Studies Marian Bakermans-Kranenburg, information scientist Peter Grünwald, astronomer Linnartz and Professor of Buddhism Jonathan…

In medical and psychological sciences, little research has been specifically conducted on women. Hormonal fluctuations were considered too intricate. Yes, research into sex and gender differences is complex, acknowledge neuroscientists Ellen de Bruijn and Lara Wierenga, but that’s precisely why it's…

'Writing is not science, but art,' Lucas van Osenbruggen says. Last semester, he attended the Honours Class 'Creative Writing'. Together with his teacher Pauline Slot, he looks back on a course that is 'really different'.

The LUCAS Dissertation Prize has been awarded to Dr. Renske Janssen for her PhD thesis Religio Illicita? Roman Legal Interactions with Early Christianity in Context.

Almost three years after receiving her honorary doctorate, Dr Graça Machel returned to Leiden University. Over the course of two days she spoke with students, researchers, and other interested persons, about human rights – particularly those of women and children – in a world in which these are continually…

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

Overview of the CML reports

Below thesis archives will be moved shortly (work in progress) to the Leiden Repository. Once this is done, theses submitted by MI students (from 2008 onwards) can be accessed via the Repository and will be removed from this site.

Programme management of research programme “Strengthening knowledge of and dialogue with the Islamic/Arab world”

This research project is funded by a subsidy from Instituut Gak.

Lecture, NGL-lezing

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

Conference