Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…

Nanodiamonds and charcoal in Dutch soil provide no evidence for the alleged impact of a meteorite at the end of the last Ice Age. This is the conclusion of a research done by Utrecht University in collaboration with Leiden University and the University of Groningen.

Learning with the City, a partnership between the Municipality of Leiden, Leiden University and University of Applied Sciences Leiden, has a new online platform. Learning with the City aims to use knowledge and expertise from higher education to solve social issues in Leiden. The platform will help…

Mexico is currently facing an unprecedented social and political crisis, with expanding criminal and political violence, rampant impunity and crumbling political institutions. Next to the daily report of anonymous victims of violence, last summer in Central Mexico at least 15 citizens were executed…

PhD candidate Vincent Walstra reflects on alternative social interactions and mutual aid in the city of Rotterdam during the first wave of the Covid-19 pandemic.

Leidsch Dagblad reports February 2022 in two articles about the cooperation between Leiden University and China.

During the kick-off meeting, master students taking part in the Thesis Workshop The Hague Southwest presented their thesis ideas to stakeholders from the neighbourhood.

Mark Klaassen recently gave a lecture at the Aliens Division of the Court of Rotterdam on the impact on the judicial system of the Dutch cabinet’s plans on immigration and asylum and the future implementation of the EU Migration Pact.

The Faculty Council is the most important co-participatory body of the Faculty of Archaeology. Its members represent staff and students in meetings with the Faculty Board, and they can have a profound impact on the Faculty's policies. We speak with the council's chair, Merlijn Veltman, about the goals…

This study is important because it seeks to uncover whether clinicians' communication influences neurobiological and physiological outcomes for patients.

What makes for a good team? In a series of articles on teams, Forbes referred to the work of Marina Terkourafi, professor of Sociolinguistics at Leiden University.

With RoMeincraft, you get to play the popular computer game Minecraft while learning about the ancient Romans. RoMeincraft, the project of the VALUE Foundation founded by (at the time) archaeologists from Leiden University, is at the interface between knowledge about the past and computer games.

How do stars and galaxies form? What is dark matter? To answer these and other questions, we need increasingly large telescopes. And to build these, we need international partnerships. A series on the impact of collaboration.

Sara Polak, American Studies expert and University Lecturer investigates how American presidents deal with the media and how new, social media influence our collective memory and the political game. ‘Social media algorithms influence us and our political choices in ways we do not foresee’, Polak say…

Kool made a conscious choice to work for a non profit organisation. Recently, inspired by the pandemic, she also made a career switch.

On Wednesday 23 September, the European Commission presented its new migration pact, where EU countries will have to improve cooperation in receiving and allocating migrants. Does this mean the end of refugee camps?

According to Thomson Reuters’ 2014 Journal Citation Reports® (JCR) and the Washington & Lee University School of Law 2014 Journal Rankings, 22 journals published by the University of Chicago Press rank at the top of their subject categories.

On 21 March 2018, the Dutch people will vote for local their municipality board. In preparation for these elections, the local lobbying groups are more than ever present to voice their own local interests. Arco Timmermans, Endowed Professor Public Affairs at Leiden University, discusses these groups…

Below you will find a collection of books, other than those in the BLRN book series, to which members of BLRN have contributed.

Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.

The trustees handling the bankruptcy of Dutch GP chain Co-Med are facing difficult dilemmas. Who is first in line: patients, employees or creditors? Assistant Professor Jessie Pool, an expert in insolvency law, calls for insolvency procedures that are better geared to this type of bankruptcy.

Prof. Marcel Reinders is a data science specialist at Delft University of technology. Using smart algorithms, he searches for links in complex data. For example, he studies patterns in DNA that lead to aberrant cell behaviour. This knowledge will help detect serious diseases such as Alzheimer's and…

The Schengen Agreement has resulted in systematic border controls between EU Member States largely ceasing to apply. Solutions for the associated security risks are often sought in information technology. Tim Dekkers investigated how such technology is applied in this context and will defend his PhD…

In een goedgevuld Teldersauditorium vond op maandag 24 juni het symposium ‘Het Erfgoed van Meijers: 70 jaar waardering en inspiratie’ plaats. Vanuit verschillende perspectieven werd gereflecteerd op de omvangrijke nalatenschap van de Leidse hoogleraar Eduard Maurits Meijers, die precies zeventig jaar…

Technological developments never stop. Machines can already perform many tasks and in the future they will probably take over even more of the work we do. Which jobs could disappear and which will remain in the future? Olaf van Vliet, Professor of Economics at Leiden Law School, commented on these issues…

Neuroscientist Elseline Hoekzema receives a large European grant from the European Research Council (ERC). This ERC starting grant for promising young researchers allows her to investigate the effects of pregnancy on the brain in detail.

An overview of the media appearances of scientists working with the Faculty of Governance and Global Affairs about terrorist attacks in Europe, their consequences, and more.

The Royal Netherlands Academy of Arts and Sciences (KNAW) has appointed 26 new members. Three of them are Leiden professors: Luuk de Ligt, Lisa Cheng and Marc Koper. The new Academy professors will be installed on 8 June.

What is the influence of non-hereditary factors on our health, such as lifestyle, diet and exposure to harmful substances? The Exposome-Scan project, led by Leiden professor Thomas Hankemeier, has been awarded 3.2 million euros from the NWO Investment Grant Large programme to answer this question. With…

Professor Johan Frijns treats people with hearing loss, conducts research on hearing implants, and gladly shares his knowledge about electrical stimulation of the nervous system.

Violent conflicts and civil wars in Chad impede most rural households' access to food security, agricultural activities and access to essential services such as health care. In her dissertation, Nakar Djindil Syntyche denounces this issue. She obtained her PhD on 24 November.

Interested in how you can transfer your knowledge from yourself or from a knowledge institute into society at large? Several experts in the fields of grant development, Intellectual property rights and knowledge brokering take you through the various processes within four weeks time in this online c…

The Netherlands must decrease its food imports dependency on foreign countries to be able to reduce the consequences of the corona crisis on its food supply. Dr. Brandon Zicha and Joes de Natris conclude that the solution to this is two-fold: major interventions in agricultural practices and a trustworthy…

Nieuwscheckers, the fact-checking initiative at Leiden University, will check the claims made by politicians during the European elections. Lots of individuals and organisations supported their crowdfunding campaign. ‘During the elections, it’s hugely important that the emphasis is on facts, and that…

For most school students, writing their extended essay (or profielwerkstuk) is the first time they really come into contact with what it means to do research. But where do you start? This is a question that is nonetheless relevant in contexts where the extended essay is written in English, such as bilingual…

‘Timmermans says more Polish workers are staying in Poland, but there aren’t any figures to back this up,’ was the headline of NU.nl news website during the European elections in 2019. This was after Nieuwscheckers, the fact-checkers at Leiden University, had checked a statement by PvdA politician Frans…

External PhD candidate Liselore Tissen has been appointed ambassador for Leiden City of Science. As the youngest member and the only non-professor in the network, she will be working to raise Leiden's prominence as a city of science.

What are the key issues in conducting LCA of bioenergy systems? What is the environmental sustainability status of second generation bioethanol? How much would the final results of biogenic carbon neutrality assumptions deviate from the true values based on a complete inventory? How to assess the impact…

Professor of Ecotoxicology Martina Vijver had planned an eight-week field work course for her students, but the corona virus threw a spanner in the works and Vijver had to come up with a new plan at short notice. ‘Without the help of my own network and that of my colleagues this would have been very…

Het faillissement van zorgonderneming Co-Med stelt de curatoren voor dilemma’s. Want wie krijgen voorrang: patiënten, personeel of de schuldeisers? Universitair docent Jessie Pool, gespecialiseerd in het ondernemings- en insolventierecht, pleit voor insolventieprocedures die beter zijn toegespitst op…

The walls of Paul van der Velde’s study at the International Institute for Asian Studies are full of neat rows of post-it notes. As organiser in chief, he is right in the middle of the upcoming ICAS 11, the 11th International Convention of Asia Scholars, which is returning to where it was first held…

Rob Zwijnenberg, Professor of Art and Science Interactions, uses daring experiments to get his students to think about social issues.

Benieuwd naar het Groot Auditorium of het Zweetkamertje? Tussen 25 juli en 10 augustus kan je gratis het Academiegebouw bekijken bij een rondleiding.

Skills training for students, researchers and entrepreneurs and guidance for start-ups. These are the prime tasks of the Centre for Innovation and Entrepreneurship – HUBspot – a joint initiative of Leiden University, the University of Applied Sciences Leiden and the municipality of Leiden.

Solafa Saad (29) fled her homeland of Sudan for the Netherlands in 2016. She is now following the Leiden Preparatory Year (VGL), an initiative by Leiden University, Leiden University of Applied Sciences and the Foundation for Refugee Students (UAF) that prepares young refugees to study. ‘I regained…

Leiden has an international reputation as a stronghold of knowledge about cultures worldwide. Under the umbrella name of LeidenGlobal, Leiden University, the National Museum of Antiquities, the Natioial Museum of Ethnology and five research institutes are working together to disseminate this knowledge…

Eleven ambitious Leiden students hope to heal burns with a special substance from squid teeth. They are taking part in the international iGEM competition. They need to raise almost 10,000 euros to fund their project this summer.

People who have negative expectations about a treatment actually experience more pain. Merve Karacaoglu discovered in her PhD research that anxious and pessimistic individuals are particularly susceptible to this nocebo effect. However, this sensitivity comes with a silver lining.

In one in four criminal cases in the Netherlands, the court receives a report on the state of the defendant’s mental health. How is that information used exactly and what are the consequences? Scientific research has been lacking in this area. The PhD research of Roosmarijn van Es is a first step in…