You can't see them with the naked eye, but they are highly likely to pose a threat to our health: microplastics. These tiny plastic particles are present everywhere in the environment, including within our bodies. On science platform The Conversation molecular biologist Meiru Wang offers valuable insights…

The brains of adolescents react more responsively to receiving rewards. This can lead to risky behaviour, but, according to Leiden University research, it also has a positive function: it makes learning easier. Publication in Nature Communications.

The main question of this research project concerns the extent to which light verbs in West Germanic languages participate in processes of language change.

An experimental comparison of the impact of liberal norms on a population residing and socialised within a democracy (the Netherlands) with a population in an autocracy (China) and their respective supports for war with another state shows that the level of liberal norms in the democratic experimental…

It is good for a judge to have some empathy with victims and offenders. But too much empathy can be harmful to the practice of the law, as PhD candidate Claudia Bouteligier has found. Literature may offer a solution. PhD defence 18 September.

When and how commenced the use of fire by early humans? Armed with stones, peat moss, and fungi, archaeologist Andy Sorensen tries to answer that question. In the February edition of the Dutch language version of National Geographic Magazine his research features in the section The Discovery.

Two years ago, Amanda Henry joined the Faculty of Archaeology’s Archaeological Sciences department. She investigates diet and human evolution, with a specific focus on plant foods. ‘Most of the studies on the prehistoric diet focus on meat and hunting. This just didn’t make sense to me.’

Nikoleta Yordanova, a political scientist at Leiden University, will lead an international research consortium funded by the European NORFACE Network to complete a multi-disciplinary project ‘Willingness and Capacity for EU Policy Action in Turbulent Times: Conflicts, Positions and Outcomes’ (EUINACTION).…

Nanotechnology has pervaded numerous industrial sectors over the past decades. Although many of us may not be aware of it, nanomaterials are now embedded within many of the the products we use in our daily lives. The agricultural sector might be next in line. Leiden environmental scientists Tom Nederstigt…

Irma Johanna Mosquera Valderrama, principal investigator of the ERC GLOBTAXGOV project and Associate Professor of Tax Law has participated in the T20 task force on Trade, Investment and Tax Cooperation under the Argentinian Presidency. As a member of the task force, she has contributed to the policy…

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…

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

The Life in Custody (LIC) Study comprises a large-scale research project into prison climate and the quality of prison life in Dutch prisons.

Which factors (human-dimension and carnivore related) shape human tolerance of large carnivore and large carnivore survival in multiple use forests?

People in leadership roles are unlikely to discuss leadership skills with their colleagues. But that is precisely what we as a university would like them to do. Because trust in one another’s abilities will make us an agile university that innovates and makes room for talent.

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

What can continuity and change in the manufacturing of locally made ceramics from the early colonials Spanish towns of Concepción de la Vega, Cotuí and Nueva Cádiz (1492-1600) tell us about the choices people made in ceramic production as a reaction the the changing social environment?

The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. Karel Kuipers and Tullio Abruzzese contributed to the new volume.

To what extent is the legislation and use of pre-trial detention of juveniles in the Netherlands in compliance with international children’s rights standards?

How did the medieval manuscript develop as a physical object during the Twelfth Century Renaissance and what do these changes tell us about the intellectual culture of the period?

How might we include circularity into the models often used in IPCC reporting (in technical language, how can IAMs, dMFA models and CGE models be integrated?) What are possible futures for global resource use and what are the consequences for greenhouse gas emissions in these scenarios?

This year a record number of students - more than 3,500 - will be taking part in the EL CID introduction week. Who are they and why did they opt for Leiden University? 'I want to get the absolute most out of my student time.'

Daniël Vredenberg did his master’s internship at the communications department of the Rijksvastgoedbedrijf. In this interview, he talks about his internship and the difference between actually working at an organisation, as he is currently doing, and doing an internship.

Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.

This project explored the role of material culture, in casu painted plaster and its technologies, in expressing dynamic social identities and in forging complex interwoven human relationships in the context of the Middle to Late Bronze Age of the Aegean and East Mediterranean.

To achieve societal impact, you need to do more than solely writing academic articles. That's the idea behind the Master Honours Class 'Leiden Revisited', in which students demonstrated with art how residents at the outskirts of Leiden experience the city. 'It's the perfect way to start the debate.'

Governments worldwide invest huge sums in their digital services and data strategies. Efficiency and effectiveness are key. But these are not achieved for some people at least, says Professor of Public Policy Sarah Giest. This makes the intended digital inclusion far from inclusive, as she will explain…

Impossible Situations: Concerts in the Making recounts the journey of a group of artists including performers, composers, an architect, a photographer and a sound engineer, as they explore different ways of making music together.

Political scientist Rebekah Tromble (Leiden University) has been appointed as an academic advisor to the Social Science One research commission. She will assist the commission in its new partnership with Facebook, which aims to facilitate in-depth studies of the role of social media in elections and…

Innovation in nest building: bird nests made from anti-bird spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam describe this behaviour in a publication.

Some fifty students started their study of Europe in Practice on 4 April. This minor includes lectures by professionals who work closely with the European Union.

Understanding Late Neolithic Ceramic Containers from Upper Mesopotamia

The Sustainable 100 is an initiative by Dutch newspaper Trouw, consisting of a list of the top 100 sustainable civil initiatives. In October of 2020, the Jonge Klimaatbeweging (Youth Climate Movement NL) became the first youth organization to win first prize. An interview with LUC Alumna and Board Member…

Johannes Boer's research intends to question the way explicit knowledge is applied in order to restore and perform music from the past with the intention to get as close as possible to its original meaning.

In ten years, it is projected that ten percent of global civil aviation operations will be unmanned. Are the current international aviation laws and regulations up to these technological developments? Fernando Fiallos will defend his dissertation on 14 November 2019.

In tracing intra-site, local and regional craft networks in Late Bronze Age Tiryns (Greece) the project aimed to understand technological changes, (dis)continuities and social practices from the Late Palatial until the Post Palatial periods in Mycenaean Greece.

Dark matter is one of the biggest mysteries of the Universe. Its properties cannot be explained with the known laws of physics and elementary particles.

The Massive Open Online Course (MOOC) ‘EU policy and implementation: making Europe work!’ of Public Administration is included in the list of Class Central of the best courses in 2020.

The energy transition is already a huge challenge for society, but sustainable use of resources is even more complicated. Yet it is at least as urgent. Ester van der Voet has been working on it for decades, for example within the United Nations. Since February, she is a professor at the Centre for Environmental…

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

In higher education intermediate assessment is used in different ways. In her PhD research Indira Day (ICLON) shows that lecturers should be able to continue to have the freedom to use various test forms, because not one type of test is optimal. Defence on June 28, 2018.

The Dutch Research School for Theoretical Physics (DRSTP) has received excellent ratings from an independent international committee. The DRSTP is a school for PhD training which has grown out of a collaboration between the theoretical physics departments at six Dutch universities—including Leiden—and…

Prosecutor Karim Khan has asked the Pre-Trial Chamber at the International Criminal Court in The Hague to issue arrest warrants against Israeli Prime Minister Benjamin Netanyahu. Larissa van den Herik, Professor of Public International Law, discusses the case on Dutch radio programme ‘Nieuws en Co’.

'We can uncover new, non-pharmacological strategies to help individuals, especially those struggling with weight los.' Psychologist Aleksandrina Skvortsova receives a LUF grant for her research project 'Mind Over Meal: Unraveling placebo effects on hunger, food-related brain activity and food choice…

In a letter initiated by Wil Roebroeks, among others, serious concerns were raised about three research papers claiming evidence for one of the earliest human occupations of Europe.

Conference, Discussion

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

The vulnerability of the European electricity sector to changes in water resources is set to worsen by 2030 as a consequence of climate change. This conclusion is reached by researchers at Leiden University in an article published in Nature Energy this month.

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At the initiative of several of its professors, Leiden University has joined the international Healthy Universities network. Surrounded by space hoppers, the initiators of this move and those present exchanged experiences and tips at the kick-off meeting on 17 October. ‘I don't miss my chauffeur'…