This subproject of 'From Homo Economicus to Political Animal' will be on ancient analogues for modern-day “ersatz economics”, the economics of the “man in the street”.

This project investigates the transposition of natural historical material, knowledge and vision, between different media (collection, scientific drawing, academic texts, the visual arts and/or literature) – a transmission that happens in the borderline between the traditional, emblematic worldview…

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…

During the Leiden Science Family Day, you can take part in various workshops. You can also watch various demonstrations. Where will you go?

A liveable planet. More biodiversity. And resources which are being managed wisely. At the CML, we want to make an impact with our research and education. On this website you can read what we do to achieve that.

1000 Years of World History in 100 Old Maps.

Százhalombatta-Földvar is a Bronze Age fortified tell settlement on the right bank of the river Danube, 30 km south of Budapest in Hungary. It is one of the best preserved temperate climate tells in Europe and well-known for the extraordinarily rich data it produces. Since 2014 Leiden students are welcomed…

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

The aims of the project are to: further clarify 'inhibition by safety'; explore and describe all possible sagety factors, with a special focus on the primary human safety source: social connectedness; reviewing prolonged stress responses without stressors.

Death, fire and identity in North-West Europe

This doctoral project, entitled Sinophone as Method: Reimaging Chinese Cinema in the Global Era, aims to explore the intricacies of knowledges and practices with regard to notions of China, Chinese, and Chineseness.

The Cognitive Psychology Unit has two main research lines, which focus on basic cognitive (neuro)science and applied cognitive psychology.

This report investigates the different approaches in the authorization process of GMOs for commercial use in the European Union and the United States of America. Three main aspects are considered and analyzed as potential causes of differences in the authorization process of GMOs for commercial use.…

Our education programmes span the entire spectrum of Animal Sciences, Evolution, Biodiversity and Conservation, Microbial Biotechnology and Plant Sciences.

The research master's specialisation Cognitive Neuroscience consists of five main parts: the general courses, the specialisation-specific courses, the elective courses, a research internship and a thesis.

The Biomedical Sciences research specialisation aims to provide you with a theoretical background and academic competences in multidisciplinary research in Biomedical Sciences. The entire programme is taught in English.

Is our musicality unique? That’s what the Bird Singalong project aims to find out. And for that, they need the help of feathered friends from all around the world. ‘By researching how parrots learn songs, we also learn more about the origin of our own musicality.’ Do you have a parrot that can sing…

Professor emeritus of Animal Behaviour Carel ten Cate is awarded honorary membership by the Dutch Society for Behavioural Biology (NVG). He received the honour for his activities for the Society and the discipline of behavioural biology.

This abrupt climate change of 8200 years ago (the so-called 8.2k calBP climate event) has received wide attention among natural scientists, also because of today's rapid climate changes and their impact on our own society. The archaeological implications, however, have not been investigated so far.…

The studies of two researchers previously working within the VICI-project ‘Art, Agency and Living Presence’ are now published by Leiden University Press in conjunction with Akademie Verlag.

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

Our mission is to recognise and treat stress and anxiety in children as early as possible, by connecting scientific research, clinical practice and education.

Study all aspects of human life in the past and take on a broad, historic perspective in the specialisation World Archaeology. Or investigate the role of cultural heritage in society in the specialisation Heritage and Society.

To be eligible for Biology at Leiden University, you must meet the following admission requirements.

To be eligible for Biology and Education at Leiden University, you must meet the following admission requirements.

Imagine no one in the Netherlands would eat animal products anymore, what would happen? And would it contribute to more climate justice? That is the theoretical exercise that environmental scientist Jan Willem Erisman and landscape architect Berno Strootman are taking up. 'Sometimes you have to think…

A passion for video games, visuals and science: it almost seems impossible to bring all of this together. Yet, scientific animator Vera Williams found that dream combination at NeCEN's microscopy lab. 'An image or animation can help clarify the content of complex research.'

Venomous animals serve as models for a variety of mimicry types. Michael Richardson (IBL) and his international colleagues find that a group of fishes (called fangblennies) evolved venom after the origin of their venom-delivering fangs.

The United Nations fall short in their recently published guide to address hunger without surpassing the 1.5-degree climate threshold. This initial version is a significant step, according to a group of researchers including those of Leiden University. However, they miss an essential topic: reducing…

It is multi-media month for master’s students in Journalism and New Media. This means they are on the streets, armed with pen and paper or tablet, smart phone and camera. In the ‘Leiden Neighbourhoods’ project, master’s students are giving their perspective on local area news for the Leidsch Dagblad,…

Boyd Leupen has won the Institute of Political Science MSc Thesis Prize 2015. With 'Refuting asymmetrical Kantianism: On the moral standing of animals', Leupen completed his Political Science master studies and contributed an excellent piece of scholarly work. According to the jury, his thesis stands…

In lieu of the Medieval Studies Day 2021, the Dutch Research School for Medieval Studies has organised the following alternative event online: TOTENTANZ, Reflection Online, December 17, 16.00-17.30. Totentanz is an animation opera produced by the Dutch stage director Wim Trompert, based on Bernt…

Can Zebra finches learn to distinguish two very similar Dutch words? Research by behavioral biologist Verena Ohms proved that they can identify 'wit' and 'wet'. Ohms published her findings in

Last week Professor of Animal Behaviour Carel ten Cate was interviewed about intelligent birds, in response to the recent publication of his book 'Avian Cognition' by NPO1.

When biology student Mike Groenhof was making a phylogenetic tree of fifty shrimp species for his internship, one specimen turned out to be an undescribed species. The animal was collected by Naturalis scientist 18 years ago, and had been under the radar ever since.

You pour a scoop of ditch water in the DNA scanner, and voilà: you know exactly which plants and animals the ditch accommodates. Well, it is not that simple yet, but according to PhD candidate Kevin Beentjes, we can already use DNA techniques to monitor the quality of freshwater. For his PhD research,…

Ecologist Sebastiaan Grosscurt became a successful wildlife journalist after graduating. But he decided to focus on science instead. He started his PhD research this year on the cumulative effect of light and noise pollution on animal behaviour.

Last week, on 13 February 2019, the EU approved the ban on pulse trawling. This followed the vote for a ban by the European Parliament on 16 January 2018. Half of the 84 Dutch pulse trawling vessels must stop immediately; the other half will receive a transitional arrangement until July 2021. Outcomes…

Tackling human trafficking has been a priority on international, national and local policy agendas for some decades now. Yet a number of knowledge gaps stand in the way of how the issue is approached. Interdisciplinary research is essential if we want to expand our knowledge to benefit policy and pr…

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

A three-volume standard work on galls in Europe. Author Johannes C. (Hans) Roskam is associate professor emeritus in Evolutionary Biology and currently guest at Leiden University.

We have examined sequences from the ligand-binding domain of the nicotinic acetyl choline receptor (nAChR) in 148 vertebrate species. We are in interested in this receptor because the α-neurotoxins of many venomous snakes binds to this receptor in its location at the neuromuscular junction in all ve…

Female and male songbirds sing equally elaborate songs in some species, but in others, females do not sing like males or not at all. How did such pronounced differences in male and female communication evolve?

Subproject of

What does it mean to eat healthily and responsibly? This question is gaining a new urgency now that in many countries undernourishment is being overtaken by diseases of affluence, such as obesity, and we are also becoming more aware of the environmental impact of our eating habits. It’s time to take…

The Trio, a people living in Suriname and Brazil, are ‘masters of creation’. Their immense knowledge of nature and materials enables them to live in the jungle. Archaeologist Jimmy Mans follows the Trio.

One of the most crucial aspects of our behaviour is our motivation to explore novel environments and interact with new people. This became painfully clear during the COVID-19 lockdowns, when many people suffered from lack of new experiences and real-life social interactions. The relevance of novelty…

We know this, but we don’t act on it: eat healthily, move more, address our stress levels and sleep well. Internist and Professor of Diabetology Hanno Pijl is fascinated by the effect that a healthy lifestyle can have on health. He researches how this lifestyle is achievable and satisfying, for patients…

LIAS has a School of Asian Studies (SAS), a School of Middle-Eastern Studies (SMES) and a School of Religious Studies (LUCSoR). These designations, and the fields within them, remain foundational to our work. At the same time, the academic community benefits from the presence of cross-regional networks…