Historians have long known that Catholics played a significant role in the Revolt of the Netherlands (1520-1635). But what did the Revolt mean to individual Catholics? Professor of Early Modern Dutch history Judith Pollman has published a book on the subject.

Almost all the members of the Dutch House of Representatives, ministers and government officials are university educated. At the same time, the large majority of the electorate have a lower level of education, or even no education. How much of a problem is that? Two new books warn about this gap in…

Protostars, data science, and the James Webb Space Telescope—Adriaan Janssen’s curiosity knows no bounds. As a double bachelor’s student in Physics and Astronomy, he has truly found his calling, underscored by his nomination for the title of Leiden Science Young Talent 2024.

On Tuesday 12 January 2021, the annual Meijers prizes and thesis prizes were awarded at the online New Year’s event broadcast from the Old Observatory.

This is a good time for it to happen, in the opinion of Professor of Fatherlands History, Henk te Velde. The abdication of Queen Beatrix is a good starting point for celebrating 200 years of the Dutch monarchy, in 2013. Te Velde is a member of the National Committee for 200 Years of Monarchy: 'By standing…

Adults are more likely to reoffend after a short prison sentence than comparable adults with a non-custodial sentence, Leiden University research shows. This is true for the likelihood and extent of repeat crime.

They might not have had Twitter, but they did have brochures (pamphlets), the Roman Catholics and ‘modern’ Protestants between 1840 and 1870. In these, they launched a passionate attack on each other’s ideas. Ineke Smit has catalogued the brochures from the collection of the University Library and outlined…

Political scientist Corinna Jentzsch received an NWO Veni grant for her research on the conditions of collaboration between militias and state forces and its consequences for safety and political order.

The annual LION Image award goes to the 30 micrometer long 3D printed microboat image that went viral earlier in October 2020, submitted by Rachel Doherty of the Daniela Kraft lab.

You should start working now, and the positive results will only be seen long after your term has expired. That is just about the worst thing you can say to politicians and policymakers. Yet that is exactly the message of two recent reports on sustainable resource use from the Centre for Environmental…

Strengthening a cancer patient's own immune system so that the body itself can better destroy cancer cells. This is at the heart of immunotherapy, the most promising progress in cancer treatment in recent years. In order to drive this development further, the Netherlands Cancer Institute-Antoni van…

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 the midterm elections in the United States on 6 November, the Democrats won the majority in the House of Representatives, thus regaining control of the House over the Republicans. But the Republicans expanded their majority in the Senate. Three of our researchers, experts on US politics, share their…

The archive of a 17th-century postmaster has been discovered in the Museum for Communication in The Hague. Using new scanning techniques, the international research team Signed, Sealed & Undelivered, headed by literary scholar Nadine Akkerman from Leiden University and historian David van der Linden…

Dutch political parties have presented their own 'solutions' to make society 'safer'. How do the party positions compare with scientific research on crime reduction?

Not many scientists can claim to have received funding from NWO to blow bubbles and play with sand, but Martin van Hecke definitely can. Van Hecke, Professor of the Organisation of Disordered Matter, delivered his inaugural lecture on Friday 4 September, under the enigmatic title of: ‘Bellen, bollen,…

Humans and bonobos show striking similarities as well as differences when they see pictures of conspecifics. Both are more interested in photos of conspecifics that show emotion. But while our human attention is more easily drawn to photos of family members and friends that express certain emotions,…

It may not seem necessary to install special tap water stations in University buildings, but it is very useful: every tap here also means a tap in a developing country. With the the 35 tap water stations that Leiden University installs, the slum area of Madoya in Nairobi will soon have clean drinking…

Last year, more than 8,000 respondents in the Netherlands took part in a public survey on their navigation behaviour. Headed by neuroscientist Ineke van der Ham from Leiden University, as part of the Weekend of Science, the survey studied how people navigate.

Diplomatica addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation. The journal explores and investigates diplomacy as an extension of social interests, forces, and environments.

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

Building a fire involves many variables, such as size, choice of fuel, temperature, and burn time, that affect the way the generated heat can be used, and therefore the potential function of a fire. A group of Leiden archaeologists are, together with a team of international colleagues, investigating…

Gerrit van Dijk was born on 14th August 1939 in Kampen. He studied Mathematics in Utrecht where he also received his PhD in 1969 on the thesis ‘Spherical functions on the p-adic group PGL(2)’. His supervisor was prof. dr. T.A. Springer. The academic year 1969-1970 he spent in Princeton, at the Institute…

IAt the Criminal Justice Public Lecture on 20 April, Professor of Law and Society Maartje van der Woude spoke about her research into decisions and practice in relation to intra-Schengen border areas and the free movement of persons. The thinking behind the Schengen area is that where the external borders…

Each year Dutch women’s magazine VIVA draws up a list of creative and enterprising women. This year our alumna and Professor of Law and Society Maartje van der Woude has been nominated. The award ceremony is on 15 November.

Not experiments and lab coats, but computers and artificial intelligence: this year's Nobel Prize in Chemistry went to the inventors of the groundbreaking AI model, AlphaFold. This programme accurately predicts protein structures based on their genetic code—a crucial step in understanding biological…

What is the current situation of human rights in relation to detention under criminal law and immigration law, now that more and more parties are becoming involved in the administration of detention and crimmigration is on the rise? PhD defence on 21 January 2020.

Richard Chancellor, the English Willem Barentsz, discovered the North Cape during the first English expedition to attempt to find a northeast passage. But the ship, the Edward Bonaventure, was ‘robbed by Flemings on its return in 1554.’ Historian Louis Sicking and legal expert Remco van Rhee found the…

An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.

The nominees for the Prof. Dr. J.Th.J. van den Berg-prijs 2022 and the IRO Thesis Prize 2022. Who wrote the best bachelor thesis in Political Science?

Did Francisco de Valdés indeed spare Leiden because his beloved Magdalena Moons had family living here? Historian Raymond Fagel gave a lecture on 24 September on the siege of Leiden, looking at the many myths that still exist.

Korrie Korevaart, a former director and lecturer in Dutch language and culture at Leiden University, has been made a member of the Order of Orange-Nassau. Korevaart, who has retired but is still a guest member of staff at the university, has received the honour for her work at the Faculty of Humanities…

Digital examination is an emerging new form of examination: exams are easier to mark and students get their grades faster. This year, on the basis of the central Pilot Project Digital Examination, the Expertise Centre for Online Learning (ECOLe) set out to make it possible for the Humanities Faculty…

The Honours College Law (HC Law) is soon going to look very different. What does the HC Law currently do, and what’s going to change? Why should you apply for it? To answer these questions, we spoke to Maartje van der Woude, Designated Professor at the HC Law. She’s designing the new programme in collaboration…

Lotje Zuur sometimes has to perform disfiguring operations. As a head and neck surgeon, she removes parts of the mouth, throat or face of people with cancer. Now a promising treatment may make such operations unnecessary. What would this mean for patients? This is what her inaugural speech on 19 September…

An image has great powers of persuasion. It is said that ‘a picture is worth more than a thousand words’. But these days, images can easily be manipulated with severe consequences. ‘Perhaps it’s time to reconsider the value we attach to images’, says Elize de Mul, whose PhD thesis deals with ‘digital…

The sustainable production of hydrogen could potentially be made more efficient by adding a cleverly chosen salt to the process. Researchers at the Leiden Institute of Chemistry (LIC), in collaboration with physicists at the University of Twente, have discovered that the type of salt present in the…

Every year Leiden University holds the Annie Romein-Verschoor Lecture on or around International Women’s Day on 8 March.

The 2017 Nobel Prize in Physics has been awarded to Rainer Weiss, Barry Barish and Kip Thorne for their work on the measurement of gravitational waves. Thorne was Lorentz Professor in 2009 in Leiden. Physicist Jan Willem van Holten explains why this is such an important discovery. ‘A new branch of astrophysics…

Art historian and professor Kitty Zijlmans is on a mission: she wants to get rid of the notion that the West dominates the art world. To no longer put 'the West and the rest', but the exchange between ideas and cultures at the centre of art history. ‘You will see that there has been so much exchange,…

On 15 January, the winner of the famed LION Image Award will be announced. Submissions ranged from the famous 3d printed microboat to an eerily abstract graph depicting a Majorana fermion.

It is still unclear how the Neanderthals died out. For long, one theory seemed most likely: the emergence of the highly intelligent Homo sapiens, or modern humans. This competition hypothesis is no longer the dominant theory among scientists, research among archaeologists and anthropologists has shown.…

In February 2015 Lauren Lauret started her PhD project titled 'Meeting practices of the Dutch States General and the continuity of the early modern world of the political (1780-1848)' at the Institute for History, supervised by prof. H. te Velde.

Legal protection. What do those involved in youth care and child protection understand by this concept? And what needs to change to improve legal protection? This question was explored by researchers from Leiden University’s Department of Child Law. Their research fits with the government’s ambition…

What if seriously ill patients do not want to hear their diagnosis? Does a clinician always need to provide a patient with all available information? Communication researcher Liesbeth van Vliet, medical anthropologist Annemarie Samuels and research intern Fiona Brosig will put these questions on open…

The biographer of Leiden University, Willem Otterspeer, has a new book out. In ‘De stad, de dood en de dichters’ (The City, Death and the Poets) he combines his love for the University and poetry with autobiographical reflections. ‘With my magnifying glass I discovered yet more new details in the pr…

In 2018, the Ministry of Education, Culture and Science (OCW) is celebrating its 100-year existence. To commemorate this occasion, policy historian Pieter Slaman conducted a comprehensive survey of the ministry. We now look back on 5 crucial moments.

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

The Netherlands has a lot of world-class speed skaters and footballers. Clever statistical analyses could help them perform even better. Leiden University is working on this together with Delft and Amsterdam.

The nominees for the IRO Thesis Prize 2024 and the Prof. Dr. J.Th.J. van den Berg-prijs 2024. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?