Plants and their pollinators form complex interaction networks. Within these networks, species differ widely in the number of species they interact with.

Word een expert op het gebied van migratie- en diversiteitsrecht met een multidisciplinaire focus. Naarmate samenlevingen steeds diverser worden, bereidt dit programma je voor op het aanpakken van de juridische uitdagingen die wereldwijde migratie met zich meebrengt. Je leert het recht te begrijpen…

Promotor: A. Achúcarro, Co-Promotor: G.A. Palma

The work in this thesis demonstrates how to obtain an atomic-scale picture of a diverse set of complex surface structures observed using STM, under disparate conditions.

What is the population size/structure and distribution of tiger and leopard inside the Bardia National Park (BNP) compared with the population outside? What is the movement and home range and conflict pattern in time and space of tigers and leopards inside the BNP compared with outside? What constitutes…

De eerstejaarsstudenten van de Bachelor Security Studies hebben hun laatste blok afgesloten met het vak 'Integrated Project 1'.

This dissertation takes an important step in understanding the phenomenon of non-take-up of social support and what it means for contemporary social policies.

Op 7 december 2021 verdedigde Georgina Kuipers het proefschrift 'Beschadigd vertrouwen'. Het promotieonderzoek is begeleid door prof.mr. W. den Ouden en prof.dr. M.A. van der Steen (EUR).

Promotor: S.M. Verduyn Lunel

What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?

How can mega sand nourishments, such as the Sand Motor, be designed and managed for optimal ecosystem services provision ?

There is accumulating evidence for an increase in severe global drought events. In particular, Europe experienced several severe droughts in 2003, 2015, and 2018 (unprecedented in the past 2,110 years). Such droughts have caused serious and far-reaching impacts on terrestrial ecosystems.

Taking as a point of departure the Italian American community in Boston and its process of collective remembrance surrounding Saint Anthony’s Feast, we addressing the limits and potential of montage.

De Gemeente Den Haag wil discriminatie op de arbeidsmarkt tegen gaan. Wethouder Rabin Baldewsingh presenteert een plan met anoniem solliciteren. Prof. dr. Sandra Groeneveld is hoogleraar Publiek Management bij de Universiteit Leiden en reageert op het plan.

Promotor: Prof.dr. M.K. Richardson

Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L. Kaper (UvA)

Songbirds as vocal learners learn their songs and song preference from social tutors⁠. Tutor choice for both song and preference learning are important to characterize for understanding individual learning performance and cultural transmission of song⁠.

This thesis consists of two subjects, that are both a consequence of radiation pressure.

Do sustainability values play a role in motivating people to act for biodiversity in successful projects and in successful leadership action? And how could these values be incorporated in current economic valuation methods?

In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.

Software development is a complex process. It is important that software products become stable and maintainable assets.

Promotor: W.T. de Groot

Nucleoid associated proteins maintain the architecture of the bacterial chromosome and regulate gene expression, hinting that their role as transcription factors may involve local three-dimensional chromosome re-modelling.

Corruption, integrity (or a lack thereof…) and public values are near omnipresent elements in public administration and politics of all times. Cases of corrupt public officials and politicians continuously emerge. Strangely enough, however, it often remains unknown what actually occurred, how something…

Does the presence of Ring-necked parakeets negatively influence feeding and feeding behaviour of native bird species on artificial bird feeders and if so, what are possible solutions?

Kunst en vrije tijd, Kunst en vrije tijd

Streptomyces bacteria are a valuable source of natural products, many of which are used in the clinic or in biotechnology.

The lipids in the uppermost layer of the skin, the stratum corneum (SC), play an important role in the skin barrier function. The three main SC lipid classes are ceramides (CER), cholesterol and free fatty acids.

Promotor: J. Schaye

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

In this Ph.D. thesis we study the interaction of low energy electrons with thin materials, namely layered materials (graphene, hexagonal boron nitride, molybdenum disulfide) and organic films. At these low energies the quantum mechanical wavelength of the electron wave function is in the order of a…

In this thesis we investigated the ability of two-photon multifocal microscopy for single-molecule microscopy in live cells and organisms.

Promotor: Prof.dr. P.G.L. Klinkhamer, Co-Promotor: T.J. de Jong

Atherosclerosis is the main underlying pathology of cardiovascular disease. Atherosclerosis is caused by an immune response which is directed against (modified) lipoproteins which accumulate in the vessel wall.

Promotores: Prof.dr. H.P. Spaink & Prof.dr. P.C.W. Hogendoorn Co-promotor: Dr. M.J.M. Schaaf

How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…

Promotor: T. Schmidt, Co-promotor: S. J.T. van Noort

From 3 to 5 September 2025, the project Governing and Building the City will organize the conference 'Good Governance and the Built Environment of Late Medieval Cities (ca. 1200–1600)' at KBR in Brussels. The deadline for the call for papers is 7 April.

Cultural and individual differences

The solar system was formed approximately 4.56 billion years ago. Despite the numerous theories that have been developed over the years, the formation and evolution of the solar system still remain unclear.

A new publication on changes in the relationship between news and their public in Chile

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

Round Table

Op 20 oktober 2021 verdedigde Michael Ramsden het proefschrift 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. Het promotieonderzoek is begeleid door promotor prof.dr. N.M. Blokker.

The idea of citizens and public professionals collaborating to provide public services has widely spread in several countries around the globe. Co-production is often presented as the go-to solution for challenges like a legitimacy crisis of both the government and the market, and financial concerns.…

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh

1) Assess the trends in supply and production status of these critical minerals and mineral products worldwide and Europe’s dependence including on intermediate products such as permanent magnets, RE based super alloys, batteries, polishing compounds, phosphors, catalysts etc. 2) Trace the entire value…

Wiskunde en Natuurwetenschappen, Leids Instituut voor Chemisch Onderzoek (LIC)

This research delves into the unique cultural approach of the Tenggerese people, an Indigenous community in East Java, Indonesia, regarding elderly care. It focuses on their traditional practices of bakti (‘filial piety’) and sayan (‘mutual aid’), deeply ingrained in the community's lifestyle and va…