‘Politicians act only in their own interests. The common man does not interest them at all.’ And, ‘The debate in parliament was a sorry sight and demonstrated incompetence.’ These are two pieces of criticism that you might read in tomorrow’s newspaper. But they were actually in the papers at the time…

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof. dr. A.H. Meijer

To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.

In this thesis,

Viral hemorrhagic fever (VHF) is a group of acute diseases caused by highly infectious viruses including Ebola, Lassa, Dengue viruses. Its high mortality rate poses high risk to public health, however, studies on VHF have been hampered due to the non-availability of proper models and incomplete knowledge…

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

Modelling supra-regional communities in the early 3rd Millennium BC

From filtering UV light in sun cream to preventing perspiration odour in socks and sterilising fridges and washing machines. The use of nanoparticles in products is increasing. But what is the impact of these miniscule particles on the environment?

Statistical distributions in LCA and converting between different representations of these distributions.

We study cell-fate decision-making using embryonic stem cells as a model system. Stem cells integrate a large number of cues to direct their development into a great variety of cell types.

The Science Council is an advisory committee to the Board of the Institute and consists of the full professors of the Institute.

Political scientist Luzia Helfer (Leiden University) empirically tested claims about media-politics relatiopns using unique data from experimental studies with elected politicians and political journalists in Switzerland and the Netherlands.

How can the Safe and Sustainable by Design (SSbD) framework developed in the SSbD4CheM project facilitate the creation of safer and more sustainable chemicals and materials across various industries?

How can the legal and socio-legal research skills of Indonesian jurists be increased in order to promote legal certainty and to strengthen the capacity of the judicial training in the country?

How and why governments engage with civil society as well as how civil society organizes itself and exerts political influence constitute the key focus of the research programme Public Governance & Civil Society. As such, this research programme offers unique expertise within the field of public administration…

the production, use and exchange of bodily accoutrements through the lenses of the microscope

Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.

Looking for ways to travel more sustainably once you've reached your destination? Here, we offer some ideas and helpful links to guide you in becoming a more responsible tourist. Ecotourism, defined as "responsible travel to natural areas that conserves the environment, sustains the well-being of…

The goal of hit discovery is to identify suitable chemical starting points to modulate a drug target. A hit can be, a.o., a small molecule, a protein or mRNA. Hit identification is performed via rational design, genome mining, (targeted) library screening, or in silico approaches.

PhD defence

PhD defence

PhD defence

PhD defence

We aim to provide new insights relating to the spectacular multi-cellular life cycle of streptomycetes and other actinobacteria.

Twenty years from now, the world population is estimated to be around 9 billion people (now 8 billion). In combination with the improvements in living standards and the corresponding growth in consumption, this population will result in an enormous increase in the demand for food, consumables, water…

A faculty like ours is a treasure chest of and for languages, culture, and society. In the coming year, we will be making sure these treasures get extra attention, both internally and externally, during Leiden University’s 444th anniversary.

How do you make a technology sustainable that does not even exist yet? Well, by bringing together an interdisciplinary team of pioneering European experts right at the start and paying attention to sustainability right from the development phase.

Evaluating the environmental consequences of diet changes in the European Union.

PhD defence

Bacteriophages, or phages for short, are the most abundant biological entity in nature. They shape bacterial communities and are a major driving force in bacterial evolution.

Bacteria are highly complex and diverse organisms that have adapted to survive in ecological niches ranging from the most extreme to the most heterogeneous environments.

This dissertation focused on computational methods based on first principles calculations using the Density Functional Theory (DFT) framework. Emphasis was laid on affordable methods that can provide a tradeoff between computational expense and accuracy.

Promotor: E.F. Smets Co-promotor: J. Geml

Migration imposes special pressures on the meaning, experience and organization of lifecycle rituals. These pressures are felt most strongly by Muslim migrants to Western Europe. In this innovative study, Nathal M. Dessing examines the effects of migration on the life cycle rituals of Moroccan, Turkish…

For thousands of years, societies have fallen under the reign of a single leader, ruling as chief, king, or emperor. In this fascinating global history of medieval and early modern dynastic power, Jeroen Duindam charts the rise and fall of dynasties, the rituals of rulership, and the contested presence…

My artistic practice deals with documents and, more specifically, with the use and the exploration of their narrative potential.

Leiden University is established in two cities: Leiden and The Hague.

Kuba funerary art from the Congo River Basin

Human civilization consumes a huge amount of fossil fuels, which has resulted in an atmospheric CO2 level which has not been higher in over 800 millennia.

How do mycobacteria subvert the defenses of host immune cells?

This work is dedicated to interpreting in cohomological terms the special values of zeta functions of arithmetic schemes.

Leiden Law School has a methods portal that offers an overview of the various phases of empirical legal research.

Promotores: Prof.dr. G.W. Canters, Prof.dr. T.J. Aartsma

Promotor: Prof.dr. G.P. van Wezel