The moon exerts a pull on us. The Americans won the space race and were first to land there. In the Universiteit van Nederland, space law expert Tanja Masson explores the questions that this raises. Who owns the moon and the valuable resources that are found there?

Professor Joke Bouwstra has been elected as member of the Koninklijke Akademie van Wetenschappen (KNAW, The Royal Dutch Academy of Sciences). This is a very prestigious recognition and a great honor for Joke. You can find the announcement by the KNAW below (short version) and as an attachment.

Wil je onderzoeksideeën en nieuwe publicaties in informele setting met vakgenoten bespreken? Meld je dan aan voor deze nieuwe seminar-reeks! Elke laatste woensdag van de maand komen we samen, afwisselend op locatie en online. De eerste bijeenkomst zal plaatsvinden op woensdag 26 oktober van 16:00 tot…

Cleveringa professor Joanne Liu, international president of Artsen Zonder Grenzen, will give an extra lecture on 24 November. The subject will be how the Ebola crisis was tackled. The Cleveringa lecture itself, on help to refugees, will be held on 25 November.

Subproject of

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…

Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…

Which criteria do ED patients and therapists evaluate as most relevant for recovery? Do patients and therapists differ in their evaluations? Do eating disorder patients differ from a healthy control group in their scores on the Recovery Scale?

How to reconstruct the middle parts (videlicet haute-contres, tailles and quintes) from French orchestral pieces, which survived only in their reduced forms (featuring primarely dessus and continuo), according to historical examples?

The European Registry of Exonerations database provides an overview of miscarriages of justice in Europe with a view to preventing future errors.

Despite an increased EU role in the preparedness, monitoring and coordination of health emergencies over the past two decades, Member States’ responses to the first wave of COVID-19 were surprisingly uncoordinated. In light of calls to improve cooperation regarding future health emergencies, this article…

What physics controls the properties of quantum matter, such as how electrons flow inside high-temperature superconductors? This question has captivated the physics community and industry for decades, in part due to the great technological potential such materials have, but also because they have resisted…

During the period 500–1000 CE Egypt was successively part of the Byzantine, Persian and Islamic empires. All kinds of events, developments and processes occurred that would greatly affect its history and that of the eastern Mediterranean in general. This is the first volume to map Egypt's position in…

Self-assembly offers a promising route to create complex structures and materials using simple building blocks. Through, colloidal self-assembly, we can understand the governing principles of the self-assembly process and unlock its potential in diverse applications in materials science, photonics and…

Leiden-Yale collaboration uncovers a tale of samurai same-sex love in a library manuscript.

In this thesis, we aim to shed light on the diverse and often opposing roles of integrin α3β1 in cancer.

By growing in a soil plants change the biotic and abiotic properties of the soil in which they grow.

On November 1st, Min Liu succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Min on this great result.

Providing a valuable overview of regionalism throughout the entire continent, Regionalism in Modern Europe combines both geographical and thematic approaches to examine the origins and development of regional movements and identities in Europe from 1890 to the present.

Ramesh Ganohariti will examine legal identity in three post-Soviet aspirant states and outline four common scenarios in this article.

Promotor: G.J. Kramer Co-Promotor: E.G.M. Kleijn

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.

Of all the mass in our Universe, 80% is thought to consist of a hypothetical and invisible substance called dark matter (DM).

The CC chemokine receptor 2 (CCR2), a member of the G protein-coupled receptor (GPCR) superfamily, is widely involved in autoimmune and inflammatory diseases. However, no drugs for this receptor have made it to the pharmaceutical market yet.

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

The aim of this thesis is to develop and study a robust and adaptable scaffold for supramolecular polymer self-assembly in water.

French title: Communication et violences dans le Guéra et le Moyen-Chari (Tchad) de 1940 à 2010. This research investigates the relationship between the introduction of new means of communication and violence experienced by the local populations in the Moyen-Chari and the Guéra regions in Chad from…

This article examines how immigration from Central and Eastern Europe influences political support for Eurosceptic parties.

This book is the first comprehensive presentation of the archaeology of Syria from the end of the Paleolithic period to 300 BC.

Can zebrafish larvae be used as a behavioural model for screening natural products as potential neurotropic drugs?

This report concerns itself with terrorist technical innovation, particularly with regards to terrorists’ incorporation of emerging technologies into their practices. More specifically, it investigates, through the elaboration of a theoretical learning framework, how terrorist groups can adopt the practices…

This thesis investigates the application of deep learning techniques in image analysis across various domains, focusing on four main themes: feature extraction, classification, segmentation, and integration, demonstrating the transformative potential of these technologies.

Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.

Promotor: Prof.dr. J.W.M. Frenken

Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa

The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).

Acute cardiovascular syndromes, including myocardial infarction or stroke, are the principal cause of death in the Western society. The main underlying pathology of cardiovascular diseases is atherosclerosis, which is caused by the accumulation of lipids and inflammatory cells in the vessel wall, in…

Promotor: C.A.M.J.J. van den Hondel, Co-promotor: Sandra de Weert

The stratum corneum is the outermost skin layer and consists of dead cells embedded in a lipid matrix.

Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.

In this thesis, we present new laboratory data of interstellar dust analogues.

The sixth issue of Ex Novo explores how ‘peripheral’ regions currently approach both the practice and theory of public archaeology placing particular emphasis on usually underrepresented regions of Eastern and Central Europe, the Mediterranean and beyond.

Mr. Ade Jaya Suryani defended his thesis on 28 January 2021

Overview of the publications of the department of Environmental Biology (1972-2015)

In 2021 many of our students and staff won fantastic prizes and were awarded important research grants. This is our traditional review of these successes as the end of one year marks the beginning of another.

Carina van den Hoven defended her thesis on 16 February 2017.

Join-in courses zijn MA-cursussen over middeleeuwse onderwerpen gegeven binnen vastgestelde MA-programma's van de zes deelnemende universiteiten van de Onderzoekschool. Op aanvraag zijn deze vakken toegankelijk voor studenten van andere (Nederlandse) universiteiten. De cursusbelasting en het aantal…

Primary Objective: The primary aim of the proposed RCT is to evaluate whether LF-TLP in blended form as an indicated prevention for anxiety complaints is more (cost-) effective than TAU according to the NHG guideline Anxiety. We hypothesize that in comparison to TAU, LF-TLP will result in a significantly…

University ceremony