Even when a border has officially disappeared, it is still people who decide whether others may cross freely. This was also true for the Polish-German border, where PhD candidate Maryla Klajn spend six months conducting fieldwork.

This Element considers Kant's conception of self-control and the role it plays in his moral philosophy. It offers a detailed interpretation of the different terms used by Kant to explain the phenomenon of moral self-control, such as 'autocracy' and 'inner freedom'.

Regulating Relations: Controlling Sex and Marriage

How does task context affect children’s word productions?

Why are the majority of our national holidays based around Christian festivities? Arabist Maurits Berger talks about this in an article on Ruetir.

Starting September 1st, philosopher Douglas Berger will be professor of Comparative Philosophy at the Leiden Institute for Philosophy. His appointment marks a new direction for research and education in philosophy at Leiden University.

Traditionally, vaccines are administered intramuscularly using conventional hypodermic needles, which cause pain and distress. Microneedles are very short needles (smaller than 1 mm) that are practically invisible to the naked eye.

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

This article illustrates how the term 'dual use' has become associated with a broader dichotomy between ‘legitimate’ and ‘illegitimate’ purposes.

Following their application to system biological models, control theory techniques have further potential to aid in the understanding and application of quantitative systems pharmacology models.

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

Atoms and molecules are the basic units of matter. If we keep dividing a bar of gold or a glass of water into smaller parts, at the end we are left with a single gold atom or a water molecule.

On the 12th of October, Fatemeh Tabassi Mofrad successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Fatemeh on this achievement!

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.

Maurits Berger worked as a lawyer in Amsterdam and as a journalist and researcher in Egypt and Syria. Since 2008, he has been a Professor of Islam in Leiden. Now he finally gets to do what he really wants: bringing his social knowledge and experience with Islam to the academic world. His call to the…

What is the role of the noradrenergic system in human cognition?

The field of exoplanet research is rapidly advancing through the development of new technology, observing techniques, and post-processing methods.

Promotor: Huub J.M. de Groot, Co-promotor: Francesco Buda

Martin Berger was asked by the FIFA Museum in Zürich to help develop an exposition on the origins of football. In line with his expertise, he worked on the part of the online exposition that was about the Mesoamerican ballgame.

Maurits Berger's new English-language podcast, Matters of Humanities: History of Islam in Europe covers no fewer than thirteen centuries of history. In eight episodes, professor of Islam and the West Maurits Berger argues that the Islam and Muslims are an important part of European history: ‘That was…

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

How do humans control their thoughts and actions, and what can high-field brain scanning reveal about the underlying processes?

On 20 March 2019, Tim Dekkers defended his thesis 'Mobility, Control and Technology in Border Areas: Discretion and Decision-making in the Information Age'. The doctoral research was supervised by Prof. dr. J.P. van der Leun en Prof. dr. M.A.H. van der Woude.

Up to 45% of patients with Parkinson's disease experience impulse control disorders, characterised by a loss of voluntary control over impulses, drives or temptations. This study aimed to investigate whether previously identified genetic and psychiatric risk factors interact towards the development…

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…

This Thesis describes a strategy to synthesize 1,2-cis-oligosaccharides modulated by additives, such as dimethylformamide (DMF), triphenylphosphine oxide (Ph3P=O) and N-methyl(phenyl)formamide (MPF), using building blocks that carry solely benzyl type protecting groups and are therefore of uniform r…

During my PhD research, I studied the photon statistics of light emitted by a microcavity that contains a single quantum dot (QD) on resonance.

Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.

Sorghum (Sorghum bicolor) is a major cereal crop that millions of subsistence farmers in Sub-Saharan Africa (SSA) rely on. However, the scourging impact of the root parasitic weed Striga (Striga hermonthica, a.k.a. “witch-weed”) has remained a major constraint hampering the productivity of sorghum in…

This thesis focuses on the role of chemokine receptors CXCR3 and CCR2 in the inflammatory process and infection control using the zebrafish model.

The Institute for Philosophy has a new Academic Director: on 1 February, James McAllister was succeeded by Douglas Berger. We asked him about his plans.

We showed that constitutive and inducible chemical and morphological defenses against Western flower thrips differ between tomato and chrysanthemum plants.

Our own Dr. Martin Berger has been accepted as a member of the Young Academy Leiden! He is thrilled with his appointment. ‘I am honored to be accepted as a member of the Young Academy Leiden and am looking forward to working together with other scholars from across the University.’

Intensive public debates have erupted about integration of immigrants in Europe. The influx of refugees from the middle east during the summer and autumn of 2015, the increasing visibility of immigrants throughout European societies, but also the widely publicized occurrences on New Year’s eve in Cologne…

All over Europe you will find ethnographic museums with large collections of indigenous objects from Latin America. These collections shaped the image of native populations in the European mind. An ERC Starting Grant allows Dr Martin Berger to look at the bigger picture, contextualizing individual collections…

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

In the course of 2020 the Faculty of Archaeology was bolstered by some new staff members. Due to the coronavirus situation, sadly, this went for a large part unnoticed. In a series of interviews we are catching up, giving the floor to our new colleagues. We give the floor to Dr Martin Berger, who joined…

Promotores: H.S. Overkleeft; G.A. van der Marel Co-Promotor: B.I. Florea

Governments in parliamentary democracies have limited time in office to fulfill their policy agendas. So, how do they optimise the timing of legislative bills to assure their passage and avoid lengthy parliamentary scrutiny? This question is especially puzzling under coalition governments, in which…

Although it is often assumed that the stereochemistry in Ugi multicomponent reactions is determined in the final Mumm rearrangement step, experimental and computational evidence that Ugi reactions on hydroxylated pyrrolines proceed under kinetic control is reported.