Een orang-oetan lacht niet gauw hard om een video waarin een soortgenoot dat ook doet. Een peuter doet het meer dan een volwassene, een Japanner weer iets minder. Chris Riddell leerde uit zijn vele experimenten ook dat geduld loont. Hij promoveert 16 september.

In Nieuwsuur ging Michael Klos, docent/onderzoeker bij de Universiteit Leiden, ging bij Nieuwsuur in op ‘de Twitterfiles’.

Veel overheidsorganisaties hebben nog te weinig kennis van de Wet open overheid (Woo), ‘wat zorgt voor frustratie bij verzoekers en onzekerheid bij derden’, zegt Annemarie Drahmann, universitair hoofddocent Bestuursrecht en Woo-expert in iBestuur.

The Advisory Council on International Affairs (AIV) has issued an opinion on possibilities for reform within the European Union (EU) in the area of Common Foreign and Security Policy (CFSP), the EU budget, and protecting the rule of law.

Oud-studenten gingen op 30 augustus weer de collegezalen in om hun vaste plekje op de banken op te zoeken tijdens Leiden Revisited. Bezoekers konden genieten van inspirerende lezingen, maar ook van een gezellige borrel, buffet, en livemuziek.

This longitudinal study is focused on neurodevelopmental problems in young children with XXY, XXX and XYY, aged 1 to 6 years.

To address major societal challenges, research needs to go beyond the boundaries of traditional disciplines. We believe this starts with education. By exposing students to people from different scientific fields, they learn to deal with diverse perspectives and can broaden their horizons. Professors…

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…

Let’s get this out of the way: Hillary Clinton won the 26 September 2016 presidential candidates television debate. Handily.

'Never underestimate universities as a connecting force.' These were the words of Rector Magnificus Carel Stolker in his address on the Dies Natalis, in reference to the imminent Brexit. A message that struck a chord with the Dutch and international media.

We are confronted on a daily basis with news about the Corona virus and its consequences. We read alarming headlines like 'Dutch becoming increasingly anxious about Corona virus' or 'Huge fears and stress about Corona crisis'.

The aim of this project is to study what makes an act or form of violence a specifically political reality.

Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

Huiselijk geweld is een ingrijpend probleem in Nederland, met jaarlijkse fatale gevolgen. De impact gaat verder dan alleen de slachtoffers zelf en raakt ook nabestaanden en de samenleving als geheel. Tot nu toe/Momenteel ontbreekt het echter aan een gestructureerde manier om fatale gevallen systematisch…

Promotor: Prof.dr. M.L. van Hecke

Carl Li defended his thesis on 30 June 2015

Assistant professor Carmen Van den Bergh has been nominated for the Leiden University Teaching Prize. ‘I combine literature education with social relevance and personal experience.’

This dissertation focuses on the production and consumption of a mediation show in China that collaborates with the local Justice Bureau and broadcasts on an entertainment channel—exploring answers to questions raised from the mentioned entertainisation, social and political, and cultural issues.

Op donderdag 17 april 2025 neemt prof. dr. Marco Mostert, Hoogleraar Middeleeuwse Geschiedenis aan de Universiteit Utrecht afscheid.

On 29 November Mariana Gkliati published an opinion piece in the Greek newspaper EFSYN, on the reorganisation of the greek asylum committees.

Together. If we look back on the corona crisis some time from now, that will have been the keyword in the political communication, says Arco Timmermans. Having allies is imperative, especially in these times.

A manifest was signed in France this week on gender neutral displays in toy stores, in the hope of preventing stereotypes and gender based prejudices. Minister van Engelshoven was rather taken with this French idea and called on toy manufacturers to evaluate their current toy collections. Which evoked…

This week Dutch newspapers NRC and de Volkskrant consulted scientists from the Leiden Institute of Advanced Computer Science (LIACS) about the impact of the Cambridge Analytica storm. This company gained insight into the data of 50 million Facebook users.

The faculty's research on the ancient rock art found in Jordan's Black Desert has recently been covered by several news and science websites.

Nadine Akkerman released her new book Invisible Agents in July 2018. View the reviews on BBC History and Telegraph UK. Keith Simpson added it to his summer reading list recommendations.

The 2022 Nobel Prize in Literature has been awarded to French writer Annie Ernaux (1940). In an explanation, the Swedish Academy praises Ernaux 'for the courage and clinical acuity with which she uncovers the roots, estrangements and collective restraints of personal memory'.

The numbers of asylum seekers and the direct family members hoping to join them were not the problem, says Mark Klaassen. The stumbling block was the housing market. He says the asylum crisis is being used for electoral gain.

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

How to understand the simultaneously dis- and reappearance of letters in contemporary culture, and how does this Neo-Epistolarity relate to media-technological change?

Associate professor Salvador Santino Regilme spoke in various media outlets about the tensions between the United States and Venezuela.

Assistant professor Daniel Schade of Leiden University was a guest on various German-language media outlets, discussing the state of the Schengen Agreement after 30 years.

For decades, the trade in pocketbooks prescribing how to be a good Muslim flourished in East Africa, but in recent years the number of books in circulation has been declining. University lecturer Annachiara Raia is the recipient of an Impact Explorer grant to revive this tradition, in cooperation with…

Minims are letters that are made up of short, vertical pen strokes, such as 'm', 'i', 'n' and 'u'. In Gothic script, there is often little distinction between letters composed of minims. Assistant professor of medieval literature Krista Murchison has written an article in History Today on the hidden…

Saniye Çelik, Professor by Special Appointment of Diversity, Inclusion, and Policing at Leiden University, has received the Woman in the Media Award at Beeld & Geluid in Hilversum. She was selected as the winner by the jury from three female experts with the most votes.

Nadine Akkerman's book Spycraft, which she co-wrote with historian of science Pete Langman, has garnered top publications, with reviews featured in The Telegraph, Literary Review, The Spectator, History Today, and the Times Literary Supplement.

This project is situated within the context of an innovation of the biology curriculum in Dutch secondary schools. The main purposes are (1) to clarify the relation between teachers’ practical knowledge and the decisions they make when planning and implementing their lessons and (2) to develop a professional…

AI has huge societal and economic potential and is widely used. But it also brings challenges: how do we combine human values with AI, how do we make AI more transparent and understandable, and what can AI and human cognition learn from each other, for example about language learning?

Promotor: W.Th.F. den Hollander

The Swahili coast has a long-standing history of transoceanic Islamic connections dating back to the 25th century. Yet, print, has changed the world – not only ours. This project unravels unique forms and archives of intellectual history emerging from within South-South connections. In East Africa Indian…