Microbial Sciences' contribution to the Host-Microbe Interactions research theme is to investigate how beneficial or disease-causing microbes associate and interact with their host.

They were called 'annoying brats', the group of campaigning scientists who in 1978 founded what is now an internationally acclaimed ecological research institute. Their stories and those of the current staff of the Institute of Environmental Sciences are described in the book 'Forty years of Leiden…

How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…

This dissertation investigates the rural communities of the Cananefates in the period of 50 to 300 AD.

This project seeks to integrate scientific research and practical knowledge in the study of the mechanisms that make dialogue an effective tool for communication, teaching, and thinking.

How can party bans be justified? Which parties were banned in post-war Europe – and why? Do militant democracy instruments work? Is an international militant democracy concept in the making?

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…

Plant Sciences' contribution to the Host-Microbe Interactions research theme is to dissect how microorganisms and microbiomes interact with the plant host and the insects on those plants, and how these insights may be harnessed to improve plant growth and health, by steering microbiome composition and…

Conference, Leiden2022

This new study by professor Peter Hoppenbrouwers focuses on conflict in village communities of late medieval Drenthe in order to depict a typical peasant society in late medieval Europe.

This volume of Analecta Praehistorica Leidensia focuses on how local communities in prehistory define themselves in relation to a bigger social world.

1. To what extent do metallic NPs added to soil extractions change the activity, abundance, or community composition of microbes? 2. How do the effects of metallic NPs on soil microbes differ from the effects of the ions shedding from corresponding NPs?

Students from outside Leiden University (not TU Delft or Erasmus University Rotterdam) can also apply for a minor at Leiden University.

This dissertation describes several studies concerning the research-teaching nexus in the sciences.

What was the practice of keeping the Necropolis Journal?

The objective of this study is to better understand the distribution of microplastics in the environment. More specifically, we will quantify the abundance and distribution of microplastics on beaches.

Promotores: J.A.van Veen, P.L.G.Klinkhamer. Co-promotor: E.E.Kuramae

Irene Morfini defended her thesis on 21 February 2019

On 13 January 2022, Pie Habimana defended the thesis 'Harmful Tax Competition in the East African Community'. The doctoral research was supervised by Prof. H. Vording and Prof. S.C.W. Douma (UvA).

Leiden is in 2022 European City of Science (www.leiden2022.nl). De organisatie van Leiden2022 wil graag dat er door een Master student CADS onderzoek wordt gedaan naar de receptie van het onderdeel Kennis door de Wijken. Dit beoogt een betekenisvolle brug te slaan tussen de wetenschap en maatschappi…

In Voices on Birchbark Jos Schaeken explores the major role that writing on birchbark – an ephemeral, even ‘throw-away’ form of correspondence and administration – played in the vibrant medieval merchant city of Novgorod and other cities in the Russian Northwest.

Lecture

Debate, Lunch

This dissertation reports on the pedagogical content knowledge (PCK) of science teachers during a professional development program. This research intended to help us understand why and how teachers make their classroom decisions as they teach science.

Also including: Wateringen 4 & Acquiring a taste.

The soil ecosystem consists of the largest reservoir of biodiversity on Earth.

SAILS aims to forge links between the different disciplines at the University and to initiate new academic partnerships.

Lecture

How can we quantify the density of species within a community through environmental DNA concentrations?

This work analyzes ritual practices and knowledge related to the Mesoamerican calendar with the aim of contributing to the understanding of the use and conceptualization of this calendar system in the contemporary K’iche’ community of Momostenango, in the Highlands of Guatemala.

Science, Mathematical Institute (MI)

The master’s specialisation Bio-Pharmaceutical Sciences and Business Studies at Leiden University combines fundamental and applied research with different aspects of business studies.

This book explores how physicists, astronomers, chemists, and historians in the late nineteenth and early twentieth centuries employed ‘epistemic virtues’ such as accuracy, objectivity, and intellectual courage. In doing so, it takes the first step in providing an integrated history of the sciences…

Mattias Brand defended his thesis on 10 April 2019

We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.

Astronomer and Marxist Anton Pannekoek was a remarkable figure. This book aims to study the connections between his life as a socialist theorist and as a pioneering scientist through the prism of Pannekoek's biography.

Carl Li defended his thesis on 30 June 2015

Lecture

Lecture

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

This special issue of Politique européenne 2019/4 (N° 66) contains, among others, a contribution by Astrid Van Weyenberg.

After 20 years of police reform, Jasper De Paepe and Marleen Easton look back and discover what we can learn about partnerships between police and science in Belgium.

Study Information

Study Information, LUC 101 | Information Session

Leiden University has an active open science community. Open science means transparency in all phases of research by precisely documenting every step of the way and making this publicly available. ‘It’s time to be open,’ say psychologists Anna van ’t Veer and Zsuzsika Sjoerds. There is increasing awareness…