The aim of the project is to unravel the genetic and contact relations between the indigenous languages of Mesoamerica (Mexico and western Central America) and the Middle Andes region (Ecuador, Peru, Bolivia), as part of a larger endeavor to understand the historical process of the peopling of the Americas…

A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.

How can historical archive sources by non-elite groups help us understand modern-day politics in South Asia? This is one of the main themes of Prof. Nira Wickramasinghe’s inaugural lecture on 14 March.

This special issue of the International Forestry Review talks about how logging really affects society.

What are the effects of light pollution from cities and bridges and noise pollution from passing vessels and nearby road traffic on migratory fish passage and spawning in rivers?

Promotores: Prof.dr. G.R. de Snoo & Dr. R. Heijungs

What are the conditions under which coercive diplomacy can compel a State to abandon its controversial nuclear (weapons) program? Based on the experience of the US coercive diplomacy against the nuclear programs of three countries, namely Iran, Libya and South Africa, Jean Yves Ndzana’s PhD research…

In this consortium CWTS (Leiden University) collaborates with two Swedish SMEs: Monocl AB and Recorded Future AB. Monocl AB delivers intuitive analysis software to Life Sciences professionals in support of strategic decisions and improvement of business performance. Recorded Future AB is an organization…

Former President Kgalema Motlanthe of South Africa gave a public lecture on Campus The Hague on 7 July. His story was about the economic transformation of Africa.

This paper describes the development process of voting behavior in Chile; particularly the relationship between the class voting theory and the theory of cultural post-materialist vote is investigated. This research deals with Chile as a case study, a developing country with a relatively stable democracy…

Since 1 April 2018, a new project on impact has been pursued by CWTS, coordinated by Anne Beaulieu. The project has been the occasion to focus on a number of areas of activity at CWTS and to consider their impact. It has also spurred an institute-wide reflection on the meaning of impact and on the kinds…

We are developing the conceptual framework, which is new to this taxonomic group, and evaluate the current state of the art with respect to all critical parameters and transfer functions for a fully developed Population Consequences of Acoustic Disturbance (PCAD) model.

The renovation of the South Cluster has been in full swing over the recent period. As the completion date approaches, no later than 1 April, we're excited to provide you with a glimpse of the current state of the building.

Hydrogen fuel cells are expected to be pivotal in the energetic transition towards renewable energy sources such as solar and wind power. However, their industrial scalability is severely hindered by the high cost and degradation rate of platinum catalysts, one of their key components. Addressing this…

Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.

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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.

Microbiome composition of the spermosphere and the rhizosphere of wild and modern bean accessions grown in an agricultural and a native soil from Colombia was characterized by metagenomics and cultivation-dependent approaches.

In this article, Samir Negash, PhD candidate at the Institute of Public Administratation, discusses the discrepancy in European countries between the measured impact of immigration on the welfare state and how this impact is perceived by citizens.

The car we buy is made out of thousands of components, which are produced using different types of materials. These materials need to be sourced from different places, sent to production facilities and assembled. Once the car is dismissed, the components need to be taken care of by either reusing, recycling…

Low-carbon (LE) technologies have a significant potential to reduce the total carbon emissions in China.

This thesis aims to investigate the effect of tripartite interaction between microbial inoculants, the plant, and herbivore insects on the rhizosphere microbiome and volatilome. We investigated the rhizosphere microbiome and volatilome of tomato plants exposed to insect herbivory and/or inoculated with…

The rapidly increasing commercial application of metallic nanoparticles within products will inevitably enhance the amount of NPs being released into soil.

This research project focuses on the extended documentation and investigation of these non-Austronesian (‘Papuan’) languages.

The application of nanomaterials in industrial processes and consumer products provides many societal benefits, but can also lead to the release of nanomaterials into the environment. The work in this dissertation aims to provide insights into the potential environmental impacts that may follow from…

Aron is a second-year student of Korean Studies. He was in Seoul as part of the stay-abroad portion of the program when Leiden University took measures due to the coronavirus. He and his fellow students decided to let the last flight back to the Netherlands pass to stay in South Korea.

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

This project aims to identify, quantify and map the exposure of Dutch national monuments to four climate change effects: flooding, waterlogging, drought and heat.

How presence, abundance and enzymatic activities of AM and EM fungi differently affect soil carbon sequestration processes?

This thesis examines the impacts and challenges of water use of electric power system. This thesis found that there are large differences in water use of electricity technologies, with hydropower and thermal power being two large water users.

This article discusses the impact of symbolic gender representation on the willingness of citizens to coproduce.

Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?

Promotor: G.R. de Snoo, Co-promotor: H.H. de Iongh, C.J.M. Musters

On the 23rd of September, George Saad successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates George on this achievement!

This project aims to provide evidence-based knowledge on the conditions for successful anti-corruption activism in Ukraine.

This project aims at investigating the multidirectional effects of forced and voluntary forms of migration in the ancient Near East.

This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.

Source: The AAPS journal, Volume 16, Issue 4, pp. 681-684 (2014)

On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

Promotor: G.R. de Snoo, W. Kustiawan, Co-promotor: H.H. de Iongh

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

Promotor: J.A. van Veen, Co-promotor: E.E. Kuramae