What are the capabilities or limitations of traveling between islands and how does this reflect seasonal variation? Is it possible to show higher levels of connectivity between islands based on generated pathways between several sites on two separate islands?

On 4 April 2019, the University of Basel held a conference on the subject of digitisation in academic teaching.

Archaeologist Bjørn Peare Barthold suspected farmers in a doctorless 19th century Dutch village may have been self-medicating to manage pain and disease. By examining the skeletons' dental calculus this hypothesis could be tested. Science Magazine interviewed him about this new technique.

Various countries are planning new missions to the Moon. Not just for prestige and science, but also to extract raw materials.

Emily den Boer of LAPP visited the Canal Cups Expo, displaying the plastic cups cleaned up by students after Leidens Ontzet.

Alain studies Public Administration and is politically active. He talks about why it is important for young people to be politically active and vote.

How did Google's computer programme AlphaGo become so powerful? On June 29, developer Aja Huang elaborated on this during a lecture in the Gorlaeus building.

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.

Aesthetic attraction plays a big role in orangutans’ mate choice, behavioural biologist and PhD candidate Tom Roth has observed. But to discover just how big that role is, more research is needed into the emotions of the great apes.

What started as a call for help in a Facebook group turned into a permanent group of students from the Bachelor's in Russian Studies and the Master's in Russian and Eurasian Studies who regularly help the Ukrainian refugees. They act as the link between the refugees and aid workers at various reception…

To cover up their deportation plans which targeted Polish Jews in the Warsaw Ghetto, the Nazis re-opened schools. In her inaugural lecture, historian Sarah Cramsey demonstrates with examples how care was used ‘as a weapon’ during the Holocaust. She also stresses that care is a unifying cement in society…

Health conditions and social problems often go hand in hand. To address this complex issue in families in The Hague, researchers, managers, support services, policymakers and residents are joining forces. What are the results of this transdisciplinary approach?

The use-wear analysis of domestic implements provided new insights of the Single Grave Culture population in the Netherlands.

As fruit and vegetables ripen, ethylene gas is released. Ethylene also influences the speed at which they ripen. Chemist Tom van Dijkman studied how small and inexpensive sensors can be made that measure ethylene concentrations during transportation. PhD defence 12 May 2016.

This project investigates the well-preserved agricultural terraces of the Inn valley and the evolution of resource use in the inner Alps.

For years, employees at AAF International in Emmen were exposed to high concentrations of carcinogenic substances. The company has now been taken to court.

In February 2023, the International Institute of Air and Space Law and the Kalshoven-Gieskes Forum for International Humanitarian Law organised a seminar on the topic of 'The optimisation of the use of satellite information in the humanitarian domain – Legal and space-related developments' at Leiden…

Investigating Neolithic houses in Britain through microwear and residue analysis of stone tools

We are pleased to invite paper proposals for the 1.5-day interdisciplinary workshop: “Who rules over migrants? Autocratic elements in migration policies”, that will take place at the University of Leiden on 14 and 15 November 2024.

The world’s prosperity and well-being are seriously being threatened by the degradation of land and nature. Although there are opportunities to turn things around, fears of further deterioration in the coming decades must not be taken lightly. That is concluded at the Intergovernmental Science-Policy…

Police killed Eric Garner 9 years ago (‘I can’t breathe’) when he resisted a search. Now everyone will consent to stops and searches. Law Professor and author Josephine Ross looks to feminism: what police call consent, feminists would call submission. During the lecture on Wednesday 31 May, Josephine…

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

What can we learn from Cleveringa’s courageous protest speech? ‘Without imagination and a strong community, people do not stand up for one another,' says Cleveringa Professor Michael Ignatieff in his lecture on 26 November.

The interplay between literature and law is what Frans-Willem Korsten wants to address as a brand-new professor of Literature, Culture and Law. That means doing research, but certainly also teaching. 'The Hague is of crucial importance for the humanities.'

Psychology students usually only get to meet patients very late in their studies. Therefore, neuroscientists Ineke van der Ham and Judith Schomaker want to research whether students learn more effectively from a virtual experience with a patient with dementia than from a text. Schomaker: 'We have plans…

The current COVID-19 vaccination campaign involves injecting the vaccine into muscle tissue, but injecting a smaller amount of vaccine in the skin might also provide good protection. The #wakeuptocorona crowdfunding campaign has enabled Anna Roukens (LUMC) to examine the safety and efficacy of vaccination…

Can we truly connect with each other through video calls? Yes, according to a recent study. Psychologists found our bodies synchronise almost as much in digital conversations as in real life. But this doesn’t mean we should skip in-person meetings altogether, says researcher Fabiola Diana.

On 1 January Minna Valjakka was appointed Professor of Contemporary Art History and Theory from a Global Perspective. Valjakka sees her appointment as 'extremely topical' because of the discussions about the decolonisation of the arts: 'Art teaches us not just about art, but also about contemporary…

Michaël Peyrot has been appointed professor of Comparative Indo-European Linguistics at the Leiden University Centre for Linguistics with retroactive effect from 1 January. He is looking forward to passing on his love for the subject to a new generation of students.

A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…

On January 17th, Frits Scholten (Rijksmuseum Amsterdam) will give a lecture titled: "Private Devotion & Immersive Play - The Use of 'Spiritual Toys' in the Late Middle Ages." The lecture is part of a Lorentz Center workshop on 'Religious Imagination in the Late Medieval Low Countries' and can also be…

Ineke van der Ham has been appointed professor of Technological Innovations in Neuropsychology on 1 January. She researches how virtual reality and games help people navigate better. And this matters, as good navigation skills are about more than coming home safely.

In this dissertation, a comprehensive portrait of the American-born Quaker Lindley Murray (1745–1826) is painted and the influence of Murray’s Quakerism on his language use is investigated by analyzing a corpus of 262 of his unpublished private letters.

From now on, you can go for a walk through Leiden’s scientific history and at the same time across the historic city center itself. Master students Lotte Koemans and Mandy Meijer have developed an audio tour which takes you past all six wall formulas in the inner city of Leiden.

The world let Rwanda down at the time of the genocide, and that can never be allowed to happen again, Cleveringa Professor Roméo Dallaire declared in his lecture on 26 November. Dallaire, a retired Canadian Lieutenant-General, also called for more attention to be paid to soldiers suffering the effects…

What do you do if you have a book from the sixteenth or seventeenth century, but you suspect that the binding contains a fragment of a medieval manuscript? University lecturer Thijs Porck has received an NWO grant to experiment with a camera attached to a tube. 'The project boils down to keyhole surgeries…

PhD defence

These days we do not just have wars and civil wars – more of a global civil war, says Bashir Azizi, who received a PhD in April 2020 for his thesis on global citizenship. The second edition of his thesis was recently published.

Sinds september 2010 werken Geerten Waling en Anne Heyer in het NWO project ‘The Promise of Organization’.

Wouter Veenendaal, a political scientist at Leiden University, is an analyst for the Freedom House report. Freedom House is an American non-profit organisation dedicated to democracy, political freedom and human rights. In short, the report describes the degree of freedom and the state of democracy…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

A collaboration between linguists, geographers and anthropologists aims to uncover how languages spread across South America over thousands of years. Associate Professor Rik van Gijn is responsible for the linguistic side of this NWO project.

What does a 19th-century exhibition of traditional utensils from the province of Zeeland tell us about the current rise of populism? A lot, Ad Maas will say in his inaugural lecture.

You may have noticed this happening more often: your municipality sends you an online questionnaire to find out your opinion on the renovation of a certain area or the design plans for a new district. But how inclusive are these online platforms where citizens can participate in decisions on government…

How do you study the growth of microorganisms, the spread of epidemic diseases or the healing of wounds, without actually performing experiments? Daoyi Wang, PhD candidate at the Mathematical Institute, worked on a specific mathematical model that can describe the growth of microorganisms and many other…

For the Bachelor Honours Class 'Mass Extinction', students produced podcasts about the past, the present and the future of mass extinctions. What exactly is lost when a species goes extinct? What are the practical consequences? But also: does humanity have the moral duty to protect other species?

Can we improve the treatment of post-traumatic stress disorder (PTSD)? Our young and promising psychologist Rianne de Kleine receives a Veni grant to carry out her research on the treatment of post-traumatic stress.